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Song J, Tas RP, Martens MCM, Ritten MVM, Wu H, Jones ER, Lebouille JGJL, Vis M, Voets IK, Tuinier R. Freezing-mediated formation of supraproteins using depletion forces. J Colloid Interface Sci 2024; 665:622-633. [PMID: 38552579 DOI: 10.1016/j.jcis.2024.03.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/16/2024] [Accepted: 03/11/2024] [Indexed: 04/17/2024]
Abstract
Hypothesis Long-acting formulations such as microparticles, injectable depots and implantable devices can realize spatiotemporally controlled delivery of protein drugs to extend their therapeutic in vivo half-lives. To efficiently encapsulate the protein drugs into such drug delivery systems, (sub)micron-sized protein particles are needed. The formation of micronized supraproteins can be induced through the synergistic combination of attractive depletion forces and freezing. The size of the supraproteins can be fine-tuned from submicron to several microns by adjusting the ice crystallization rate through the freeze-quench depth, which is set by the target temperature. Methods Supraprotein micron structures were prepared from protein solutions under various conditions in the presence and absence of nonadsorbing polyethylene glycol. Scanning electron microscopy and dynamic light scattering were employed to determine the sizes of the supraproteins and real-time total internal reflection fluorescent microscopy was used to follow the supraprotein formation during freezing. The protein secondary structure was measured before and after micronization by circular dichroism. A phase diagram of a protein-polyethylene glycol mixture was theoretically predicted to investigate whether the depletion interaction can elucidate the phase behavior. Findings Micronized protein supraparticles could be prepared in a controlled manner by rapid freeze-drying of aqueous mixtures of bovine serum albumin, horseradish peroxidase and lysozyme mixed with polyethylene glycol. Upon freezing, the temperature quench initiates a phase separation process which is reminiscent of spinodal decomposition. This demixing is subsequently arrested during droplet phase separation to form protein-rich microstructures. The final size of the generated protein microparticles is determined by a competition between phase separation and cooling rate, which can be controlled by target temperature. The experimental phase diagram of the aqueous protein-polyethylene glycol dispersion aligns with predictions from depletion theory for charged colloids and nonadsorbing polymers.
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Affiliation(s)
- Jiankang Song
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands.
| | - Roderick P Tas
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Laboratory of Self-organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Max C M Martens
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Manon V M Ritten
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Hanglong Wu
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Bio-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | | | | | - Mark Vis
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Ilja K Voets
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Laboratory of Self-organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Remco Tuinier
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands.
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van den Akker WP, van Benthem RATM, Voets IK, van Hest JCM. Dampened Transient Actuation of Hydrogels Autonomously Controlled by pH-Responsive Bicontinuous Nanospheres. ACS Appl Mater Interfaces 2024; 16:19642-19650. [PMID: 38569110 DOI: 10.1021/acsami.4c02643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
The fabrication of a soft actuator with a dampened actuation response is presented. This was achieved via the incorporation into an actuating hydrogel of urease-loaded pH-responsive bicontinuous nanospheres (BCNs), whose membrane was able to regulate the permeability and thus conversion of fuel urea into ammonia. The dampened response of these nanoreactors to the enzymatically induced pH change was translated to a pH-responsive soft actuator. In hydrogels composed of a pH-responsive and nonresponsive layer, the transient pH gradient yielded an asymmetric swelling behavior, which induced a bending response. The transient actuation profile could be controlled by varying the external fuel concentrations. Furthermore, we showed that the spatial organization of the BCNs within the actuator had a great influence on the actuation response. Embedding the urease-loaded nanoreactors within the active, pH-responsive layer resulted in a reduced response due to local substrate conversion in comparison to embedding them within the passive layer of the bilayer hydrogel. Finally, we were able to induce transient actuation in a hydrogel comprising two identical active layers by the immobilization of the BCNs within one specific layer. Upon addition of urea, a local pH gradient was generated, which caused accelerated swelling in the BCN layer and transient bending of the device before the pH gradient was attenuated over time.
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Affiliation(s)
- Wouter P van den Akker
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Department of Chemistry & Chemical Engineering, Self-Organizing Soft Matter, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Rolf A T M van Benthem
- Department of Chemistry & Chemical Engineering, Laboratory of Physical Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Shell Energy Transition Center Amsterdam, Grasweg 31, 1031 HW Amsterdam, The Netherlands
| | - Ilja K Voets
- Department of Chemistry & Chemical Engineering, Self-Organizing Soft Matter, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Jan C M van Hest
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
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3
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Peters MC, Kruithof BPT, Bouten CVC, Voets IK, van den Bogaerdt A, Goumans MJ, van Wijk A. Preservation of human heart valves for replacement in children with heart valve disease: past, present and future. Cell Tissue Bank 2024; 25:67-85. [PMID: 36725733 PMCID: PMC10902036 DOI: 10.1007/s10561-023-10076-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 01/29/2023] [Indexed: 02/03/2023]
Abstract
Valvular heart disease affects 30% of the new-borns with congenital heart disease. Valve replacement of semilunar valves by mechanical, bioprosthetic or donor allograft valves is the main treatment approach. However, none of the replacements provides a viable valve that can grow and/or adapt with the growth of the child leading to re-operation throughout life. In this study, we review the impact of donor valve preservation on moving towards a more viable valve alternative for valve replacements in children or young adults.
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Affiliation(s)
- M C Peters
- Department of Pediatric Cardiothoracic Surgery, Wilhelmina Children's Hospital, University Medical Center Utrecht, 3584 EA, Utrecht, The Netherlands.
- Department of Cardiovascular Cell Biology, Leiden University Medical Center, 2300 RC, Leiden, The Netherlands.
- Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands.
| | - B P T Kruithof
- Department of Cardiovascular Cell Biology, Leiden University Medical Center, 2300 RC, Leiden, The Netherlands
- Department of Cardiology, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
| | - C V C Bouten
- Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
| | - I K Voets
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB, Eindhoven, The Netherlands
| | - A van den Bogaerdt
- Heart Valve Department, ETB-BISLIFE Multi Tissue Center, 2333 BD, Beverwijk, The Netherlands
| | - M J Goumans
- Department of Cardiovascular Cell Biology, Leiden University Medical Center, 2300 RC, Leiden, The Netherlands
| | - A van Wijk
- Department of Pediatric Cardiothoracic Surgery, Wilhelmina Children's Hospital, University Medical Center Utrecht, 3584 EA, Utrecht, The Netherlands
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Pattipeiluhu R, Zeng Y, Hendrix MMRM, Voets IK, Kros A, Sharp TH. Liquid crystalline inverted lipid phases encapsulating siRNA enhance lipid nanoparticle mediated transfection. Nat Commun 2024; 15:1303. [PMID: 38347001 PMCID: PMC10861598 DOI: 10.1038/s41467-024-45666-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 01/31/2024] [Indexed: 02/15/2024] Open
Abstract
Efficient cytosolic delivery of RNA molecules remains a formidable barrier for RNA therapeutic strategies. Lipid nanoparticles (LNPs) serve as state-of-the-art carriers that can deliver RNA molecules intracellularly, as exemplified by the recent implementation of several vaccines against SARS-CoV-2. Using a bottom-up rational design approach, we assemble LNPs that contain programmable lipid phases encapsulating small interfering RNA (siRNA). A combination of cryogenic transmission electron microscopy, cryogenic electron tomography and small-angle X-ray scattering reveals that we can form inverse hexagonal structures, which are present in a liquid crystalline nature within the LNP core. Comparison with lamellar LNPs reveals that the presence of inverse hexagonal phases enhances the intracellular silencing efficiency over lamellar structures. We then demonstrate that lamellar LNPs exhibit an in situ transition from a lamellar to inverse hexagonal phase upon interaction with anionic membranes, whereas LNPs containing pre-programmed liquid crystalline hexagonal phases bypass this transition for a more efficient one-step delivery mechanism, explaining the increased silencing effect. This rational design of LNPs with defined lipid structures aids in the understanding of the nano-bio interface and adds substantial value for LNP design, optimization and use.
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Affiliation(s)
- Roy Pattipeiluhu
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC, Leiden, The Netherlands
- BioNTech SE, An der Goldgrube 12, 55131, Mainz, Germany
| | - Ye Zeng
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Marco M R M Hendrix
- Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Ilja K Voets
- Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Alexander Kros
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands.
| | - Thomas H Sharp
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC, Leiden, The Netherlands.
- School of Biochemistry, University of Bristol, Bristol, BS8 1TD, United Kingdom.
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5
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Sproncken CCM, Detrembleur C, Voets IK. Synthesis of Polymeric Mimics of Ice-Binding Proteins. Methods Mol Biol 2024; 2730:203-210. [PMID: 37943460 DOI: 10.1007/978-1-0716-3503-2_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Cobalt-mediated radical polymerization (CMRP) enables the preparation of both short and long polymers from acrylic and vinyl ester monomers with low dispersity. Here we describe the synthesis, purification, and characterization of polymeric mimics of ice-binding proteins based on the water-soluble polymer poly(vinyl alcohol) by CMRP. Block copolymers of poly(vinyl alcohol) and poly(acrylic acid) were prepared from the precursor copolymers poly(vinyl acetate)-b-poly(acrylonitrile) upon hydrolysis. Copolymers comprising up to hundreds of monomers and dispersities Mw/Mn < 1.3 were produced by this method.
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Affiliation(s)
- Christian C M Sproncken
- Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Christophe Detrembleur
- Center for Education and Research on Macromolecules (CERM) CESAM Research Unit, Department of Chemistry, University of Liège, Liège, Belgium
| | - Ilja K Voets
- Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands.
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6
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Lloyd CJ, Guo S, Kinrade B, Zahiri H, Eves R, Ali SK, Yildiz F, Voets IK, Davies PL, Klose KE. A peptide-binding domain shared with an Antarctic bacterium facilitates Vibrio cholerae human cell binding and intestinal colonization. Proc Natl Acad Sci U S A 2023; 120:e2308238120. [PMID: 37729203 PMCID: PMC10523503 DOI: 10.1073/pnas.2308238120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/31/2023] [Indexed: 09/22/2023] Open
Abstract
Vibrio cholerae, the causative agent of the disease cholera, is responsible for multiple pandemics. V. cholerae binds to and colonizes the gastrointestinal tract within the human host, as well as various surfaces in the marine environment (e.g., zooplankton) during interepidemic periods. A large adhesin, the Flagellar Regulated Hemagglutinin A (FrhA), enhances binding to erythrocytes and epithelial cells and enhances intestinal colonization. We identified a peptide-binding domain (PBD) within FrhA that mediates hemagglutination, binding to epithelial cells, intestinal colonization, and facilitates biofilm formation. Intriguingly, this domain is also found in the ice-binding protein of the Antarctic bacterium Marinomonas primoryensis, where it mediates binding to diatoms. Peptide inhibitors of the M. primoryensis PBD inhibit V. cholerae binding to human cells as well as to diatoms and inhibit biofilm formation. Moreover, the M. primoryensis PBD inserted into FrhA allows V. cholerae to bind human cells and colonize the intestine and also enhances biofilm formation, demonstrating the interchangeability of the PBD from these bacteria. Importantly, peptide inhibitors of PBD reduce V. cholerae intestinal colonization in infant mice. These studies demonstrate how V. cholerae uses a PBD shared with a diatom-binding Antarctic bacterium to facilitate intestinal colonization in humans and biofilm formation in the environment.
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Affiliation(s)
- Cameron J. Lloyd
- South Texas Center for Emerging Infectious Diseases, University of Texas, San Antonio, TX78249
- Department of Molecular Microbiology and Immunology, University of Texas, San Antonio, TX78249
| | - Shuaiqi Guo
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ONK7L 3N6, Canada
| | - Brett Kinrade
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ONK7L 3N6, Canada
| | - Hossein Zahiri
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ONK7L 3N6, Canada
| | - Robert Eves
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ONK7L 3N6, Canada
| | - Syed Khalid Ali
- South Texas Center for Emerging Infectious Diseases, University of Texas, San Antonio, TX78249
- Department of Molecular Microbiology and Immunology, University of Texas, San Antonio, TX78249
| | - Fitnat Yildiz
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, CA95064
| | - Ilja K. Voets
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, Eindhoven5612, the Netherlands
| | - Peter L. Davies
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ONK7L 3N6, Canada
| | - Karl E. Klose
- South Texas Center for Emerging Infectious Diseases, University of Texas, San Antonio, TX78249
- Department of Molecular Microbiology and Immunology, University of Texas, San Antonio, TX78249
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7
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Bögels BWA, Nguyen BH, Ward D, Gascoigne L, Schrijver DP, Makri Pistikou AM, Joesaar A, Yang S, Voets IK, Mulder WJM, Phillips A, Mann S, Seelig G, Strauss K, Chen YJ, de Greef TFA. DNA storage in thermoresponsive microcapsules for repeated random multiplexed data access. Nat Nanotechnol 2023; 18:912-921. [PMID: 37142708 PMCID: PMC10427423 DOI: 10.1038/s41565-023-01377-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 03/19/2023] [Indexed: 05/06/2023]
Abstract
DNA has emerged as an attractive medium for archival data storage due to its durability and high information density. Scalable parallel random access to information is a desirable property of any storage system. For DNA-based storage systems, however, this still needs to be robustly established. Here we report on a thermoconfined polymerase chain reaction, which enables multiplexed, repeated random access to compartmentalized DNA files. The strategy is based on localizing biotin-functionalized oligonucleotides inside thermoresponsive, semipermeable microcapsules. At low temperatures, microcapsules are permeable to enzymes, primers and amplified products, whereas at high temperatures, membrane collapse prevents molecular crosstalk during amplification. Our data show that the platform outperforms non-compartmentalized DNA storage compared with repeated random access and reduces amplification bias tenfold during multiplex polymerase chain reaction. Using fluorescent sorting, we also demonstrate sample pooling and data retrieval by microcapsule barcoding. Therefore, the thermoresponsive microcapsule technology offers a scalable, sequence-agnostic approach for repeated random access to archival DNA files.
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Affiliation(s)
- Bas W A Bögels
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Bichlien H Nguyen
- Microsoft, Redmond, WA, USA
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA
| | - David Ward
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA
| | - Levena Gascoigne
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - David P Schrijver
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Anna-Maria Makri Pistikou
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Alex Joesaar
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Shuo Yang
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Ilja K Voets
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Willem J M Mulder
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | | | - Stephen Mann
- Centre for Protolife Research and Centre for Organized Matter Chemistry, School of Chemistry, University of Bristol, Bristol, UK
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, People's Republic of China
- Zhangjiang Institute for Advanced Study (ZIAS), Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Georg Seelig
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA
- Department of Electrical Engineering, University of Washington, Seattle, WA, USA
| | - Karin Strauss
- Microsoft, Redmond, WA, USA
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA
| | - Yuan-Jyue Chen
- Microsoft, Redmond, WA, USA.
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, USA.
| | - Tom F A de Greef
- Laboratory of Chemical Biology, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands.
- Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.
- Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands.
- Center for Living Technologies, Eindhoven-Wageningen-Utrecht Alliance, Utrecht, The Netherlands.
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8
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de Haas RJ, Tas RP, van den Broek D, Zheng C, Nguyen H, Kang A, Bera AK, King NP, Voets IK, de Vries R. De novo designed ice-binding proteins from twist-constrained helices. Proc Natl Acad Sci U S A 2023; 120:e2220380120. [PMID: 37364125 PMCID: PMC10319034 DOI: 10.1073/pnas.2220380120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 05/02/2023] [Indexed: 06/28/2023] Open
Abstract
Attaining molecular-level control over solidification processes is a crucial aspect of materials science. To control ice formation, organisms have evolved bewildering arrays of ice-binding proteins (IBPs), but these have poorly understood structure-activity relationships. We propose that reverse engineering using de novo computational protein design can shed light on structure-activity relationships of IBPs. We hypothesized that the model alpha-helical winter flounder antifreeze protein uses an unusual undertwisting of its alpha-helix to align its putative ice-binding threonine residues in exactly the same direction. We test this hypothesis by designing a series of straight three-helix bundles with an ice-binding helix projecting threonines and two supporting helices constraining the twist of the ice-binding helix. Our findings show that ice-recrystallization inhibition by the designed proteins increases with the degree of designed undertwisting, thus validating our hypothesis, and opening up avenues for the computational design of IBPs.
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Affiliation(s)
- Robbert J. de Haas
- Department of Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen, WE6708, The Netherlands
| | - Roderick P. Tas
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, MB5600, The Netherlands
| | - Daniëlle van den Broek
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, MB5600, The Netherlands
| | - Chuanbao Zheng
- Department of Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen, WE6708, The Netherlands
| | - Hannah Nguyen
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Alex Kang
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Asim K. Bera
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Neil P. King
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, MB5600, The Netherlands
| | - Renko de Vries
- Department of Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen, WE6708, The Netherlands
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9
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van den Akker WP, Wu H, Welzen PLW, Friedrich H, Abdelmohsen LKEA, van Benthem RATM, Voets IK, van Hest JCM. Nonlinear Transient Permeability in pH-Responsive Bicontinuous Nanospheres. J Am Chem Soc 2023. [PMID: 36995949 PMCID: PMC10119974 DOI: 10.1021/jacs.3c01203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
We demonstrate the construction of pH-responsive bicontinuous nanospheres (BCNs) with nonlinear transient permeability and catalytic activity. The BCNs were assembled from amphiphilic block copolymers comprising pH-responsive groups and were loaded with the enzymes urease and horseradish peroxidase (HRP). A transient membrane permeability switch was introduced by employing the well-known pH-increasing effect of urease upon conversion of urea to ammonia. As expected, the coencapsulated HRP displayed a transiently regulated catalytic output profile upon addition of urea, with no significant product formation after the pH increase. This transient process displayed a nonlinear "dampening" behavior, induced by a decrease in membrane permeability as a result of significant local ammonia production. Furthermore, the catalytic output of HRP could be modulated by addition of different amounts of urea or by altering the buffer capacity of the system. Finally, this nonlinear dampening effect was not observed in spherical polymersomes, even though the membrane permeability could also be inhibited by addition of urea. The specific BCN morphology therefore allows to optimally control catalytic processes by pH changes in the nanoreactor microenvironment compared to bulk conditions due to its unique permeability profile.
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Affiliation(s)
- Wouter P van den Akker
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Hanglong Wu
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Pascal L W Welzen
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Heiner Friedrich
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Loai K E A Abdelmohsen
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Rolf A T M van Benthem
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Ilja K Voets
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - Jan C M van Hest
- Department of Chemistry & Chemical Engineering, Institute for Complex Molecular Systems, Bio-Organic Chemistry, Eindhoven University of Technology, Helix, P.O. Box 513, 5600MB Eindhoven, The Netherlands
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Buriak JM, Akinwande D, Artzi N, Brinker CJ, Burrows C, Chan WCW, Chen C, Chen X, Chhowalla M, Chi L, Chueh W, Crudden CM, Di Carlo D, Glotzer SC, Hersam MC, Ho D, Hu TY, Huang J, Javey A, Kamat PV, Kim ID, Kotov NA, Lee TR, Lee YH, Li Y, Liz-Marzán LM, Mulvaney P, Narang P, Nordlander P, Oklu R, Parak WJ, Rogach AL, Salanne M, Samorì P, Schaak RE, Schanze KS, Sekitani T, Skrabalak S, Sood AK, Voets IK, Wang S, Wang S, Wee ATS, Ye J. Best Practices for Using AI When Writing Scientific Manuscripts. ACS Nano 2023; 17:4091-4093. [PMID: 36848601 DOI: 10.1021/acsnano.3c01544] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
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11
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Sproncken CM, Gumí-Audenis B, Foroutanparsa S, Magana JR, Voets IK. Controlling the Formation of Polyelectrolyte Complex Nanoparticles Using Programmable pH Reactions. Macromolecules 2022; 56:226-233. [PMID: 36644553 PMCID: PMC9835975 DOI: 10.1021/acs.macromol.2c01431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 11/28/2022] [Indexed: 12/23/2022]
Abstract
Enabling complexation of weak polyelectrolytes, in the presence of a programmable pH-modulation, offers a means to achieve temporal control over polyelectrolyte coassembly. Here, by mixing oppositely charged poly(allylamine hydrochloride) and poly(sodium methacrylate) in a (bi)sulfite buffer, nanoscopic complex coacervates are formed. Addition of formaldehyde initiates the formaldehyde-sulfite clock reaction, affecting the polyelectrolyte assembly in two ways. First, the abrupt pH increase from the reaction changes the charge density of the polyelectrolytes and thus the ratio of cationic and anionic species. Simultaneously, reactions between the polyamine and formaldehyde lead to chemical modifications on the polymer. Interestingly, core-shell polymeric nanoparticles are produced, which remain colloidally stable for months. Contrastingly, in the same system, in the absence of the clock reaction, aggregation and phase separation occur within minutes to days after mixing. Introducing an acid-producing reaction enables further temporal control over the coassembly, generating transient nanoparticles with nanoscopic dimensions and an adjustable lifetime of tens of minutes.
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12
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Giakoumatos EC, Gascoigne L, Gumí-Audenis B, García ÁG, Tuinier R, Voets IK. Impact of poly(ethylene glycol) functionalized lipids on ordering and fluidity of colloid supported lipid bilayers. Soft Matter 2022; 18:7569-7578. [PMID: 36165127 PMCID: PMC9555145 DOI: 10.1039/d2sm00806h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Colloid supported lipid bilayers (CSLBs) are highly appealing building blocks for functional colloids. In this contribution, we critically evaluate the impact on lipid ordering and CSLB fluidity of inserted additives. We focus on poly(ethylene glycol) (PEG) bearing lipids, which are commonly introduced to promote colloidal stability. We investigate whether their effect on the CSLB is related to the incorporated amount and chemical nature of the lipid anchor. To this end, CSLBs were prepared from lipids with a low or high melting temperature (Tm), DOPC, and DPPC, respectively. Samples were supplemented with either 0, 5 or 10 mol% of either a low or high Tm PEGylated lipid, DOPE-PEG2000 or DSPE-PEG2000, respectively. Lipid ordering was probed via differential scanning calorimetry and fluidity by fluorescence recovery after photobleaching. We find that up to 5 mol% of either PEGylated lipids could be incorporated into both membranes without any pronounced effects. However, the fluorescence recovery of the liquid-like DOPC membrane was markedly decelerated upon incorporating 10 mol% of either PEGylated lipids, whilst insertion of the anchoring lipids (DOPE and DSPE without PEG2000) had no detectable impact. Therefore, we conclude that the amount of incorporated PEG stabilizer, not the chemical nature of the lipid anchor, should be tuned carefully to achieve sufficient colloidal stability without compromising the membrane dynamics. These findings offer guidance for the experimental design of studies using CSLBs, such as those focusing on the consequences of intra- and inter-particle inhomogeneities for multivalent binding and the impact of additive mobility on superselectivity.
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Affiliation(s)
- Emma C Giakoumatos
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Levena Gascoigne
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Berta Gumí-Audenis
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Álvaro González García
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Remco Tuinier
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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Fehér B, Gascoigne L, Giezen SN, Voets IK. Impact of arginine modified SNARE peptides on interactions with phospholipid bilayers and coiled-coil formation: A molecular dynamics study. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Li C, Magana JR, Sobotta F, Wang J, Stuart MAC, van Ravensteijn BGP, Voets IK. Cover Picture: Switchable Electrostatically Templated Polymerization (Angew. Chem. Int. Ed. 39/2022). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/anie.202210873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chendan Li
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Jose R. Magana
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Grup d'Enginyeria de Materials (GEMAT) Institut Químic de Sarrià (IQS) Universitat Ramon Llull (URL) 08022 Barcelona Spain
| | - Fabian Sobotta
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Martien A. Cohen Stuart
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Bas G. P. van Ravensteijn
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Department of Pharmaceutics Utrecht Institute for Pharmaceutical Sciences (UIPS) Faculty of Science Utrecht University P.O. Box 80082 3508 TB Utrecht The Netherlands
| | - Ilja K. Voets
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
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Li C, Magana JR, Sobotta F, Wang J, Stuart MAC, van Ravensteijn BGP, Voets IK. Switchable Electrostatically Templated Polymerization. Angew Chem Int Ed Engl 2022; 61:e202206780. [PMID: 35766724 PMCID: PMC9796233 DOI: 10.1002/anie.202206780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Indexed: 01/01/2023]
Abstract
We report a switchable, templated polymerization system where the strength of the templating effect can be modulated by solution pH and/or ionic strength. The responsiveness to these cues is incorporated through a dendritic polyamidoamine-based template of which the charge density depends on pH. The dendrimers act as a template for the polymerization of an oppositely charged monomer, namely sodium styrene sulfonate. We show that the rate of polymerization and maximum achievable monomer conversion are directly related to the charge density of the template, and hence the environmental pH. The polymerization could effectively be switched "ON" and "OFF" on demand, by cycling between acidic and alkaline reaction environments. These findings break ground for a novel concept, namely harnessing co-assembly of a template and growing polymer chains with tunable association strength to create and control coupled polymerization and self-assembly pathways of (charged) macromolecular building blocks.
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Affiliation(s)
- Chendan Li
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical EngineeringEast China University of Science and Technology130 Meilong RoadShanghai200237P. R. China,Institute for Complex Molecular SystemsDepartment of Chemical Engineering and ChemistryEindhoven University of TechnologyP.O. Box 5135600 MBEindhovenThe Netherlands
| | - Jose R. Magana
- Institute for Complex Molecular SystemsDepartment of Chemical Engineering and ChemistryEindhoven University of TechnologyP.O. Box 5135600 MBEindhovenThe Netherlands,Current address: Grup d'Enginyeria de Materials (GEMAT)Institut Químic de Sarrià (IQS)Universitat Ramon Llull (URL)08022BarcelonaSpain
| | - Fabian Sobotta
- Institute for Complex Molecular SystemsDepartment of Chemical Engineering and ChemistryEindhoven University of TechnologyP.O. Box 5135600 MBEindhovenThe Netherlands
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical EngineeringEast China University of Science and Technology130 Meilong RoadShanghai200237P. R. China
| | - Martien A. Cohen Stuart
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical EngineeringEast China University of Science and Technology130 Meilong RoadShanghai200237P. R. China
| | - Bas G. P. van Ravensteijn
- Institute for Complex Molecular SystemsDepartment of Chemical Engineering and ChemistryEindhoven University of TechnologyP.O. Box 5135600 MBEindhovenThe Netherlands,Current address: Department of PharmaceuticsUtrecht Institute for Pharmaceutical Sciences (UIPS)Faculty of ScienceUtrecht UniversityP.O. Box 800823508 TBUtrechtThe Netherlands
| | - Ilja K. Voets
- Institute for Complex Molecular SystemsDepartment of Chemical Engineering and ChemistryEindhoven University of TechnologyP.O. Box 5135600 MBEindhovenThe Netherlands
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Li C, van Ravensteijn BGP, Stuart MAC, Magana JR, Voets IK. The impact of polymer architecture on polyion complex (PIC) micelles: when topology matters (and when it doesn't). MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chendan Li
- Laboratory of Self‐Organizing Soft Matter Department of Chemical Engineering and Chemistry P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 Netherlands
- The Netherlands & Institute for Complex Molecular Systems P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 The Netherlands
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Bas G. P. van Ravensteijn
- Laboratory of Self‐Organizing Soft Matter Department of Chemical Engineering and Chemistry P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 Netherlands
- The Netherlands & Institute for Complex Molecular Systems P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 The Netherlands
- Department of Pharmaceutics Utrecht Institute for Pharmaceutical Sciences (UIPS) Science for Life Faculty of Science P. O. Box 80082 Utrecht University Utrecht 3508 The Netherlands
| | - Martien A. Cohen Stuart
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - J. Rodrigo Magana
- Laboratory of Self‐Organizing Soft Matter Department of Chemical Engineering and Chemistry P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 Netherlands
- The Netherlands & Institute for Complex Molecular Systems P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 The Netherlands
| | - Ilja K. Voets
- Laboratory of Self‐Organizing Soft Matter Department of Chemical Engineering and Chemistry P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 Netherlands
- The Netherlands & Institute for Complex Molecular Systems P.O. Box 513 Eindhoven University of Technology Eindhoven MB 5600 The Netherlands
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17
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Li C, Magana JR, Sobotta F, Wang J, Stuart MAC, van Ravensteijn BGP, Voets IK. Switchable Electrostatically Templated Polymerization. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chendan Li
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Jose R. Magana
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Grup d'Enginyeria de Materials (GEMAT) Institut Químic de Sarrià (IQS) Universitat Ramon Llull (URL) 08022 Barcelona Spain
| | - Fabian Sobotta
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Martien A. Cohen Stuart
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Bas G. P. van Ravensteijn
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Department of Pharmaceutics Utrecht Institute for Pharmaceutical Sciences (UIPS) Faculty of Science Utrecht University P.O. Box 80082 3508 TB Utrecht The Netherlands
| | - Ilja K. Voets
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
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18
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Wijker S, Deng L, Eisenreich F, Voets IK, Palmans ARA. En Route to Stabilized Compact Conformations of Single-Chain Polymeric Nanoparticles in Complex Media. Macromolecules 2022; 55:6220-6230. [PMID: 35910311 PMCID: PMC9330768 DOI: 10.1021/acs.macromol.2c00930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/27/2022] [Indexed: 11/28/2022]
Abstract
Precise control over the folding pathways of polypeptides using a combination of noncovalent and covalent interactions has evolved into a wide range of functional proteins with a perfectly defined 3D conformation. Inspired hereby, we develop a series of amphiphilic copolymers designed to form compact, stable, and structured single-chain polymeric nanoparticles (SCPNs) of defined size, even in competitive conditions. The SCPNs are formed through a combination of noncovalent interactions (hydrophobic and hydrogen-bonding interactions) and covalent intramolecular cross-linking using a light-induced [2 + 2] cycloaddition. By comparing different self-assembly pathways of the nanoparticles, we show that, like for proteins in nature, the order of events matters. When covalent cross-links are formed prior to the folding via hydrophobic and supramolecular interactions, larger particles with less structured interiors are formed. In contrast, when the copolymers first fold via hydrophobic and hydrogen-bonding interactions into compact conformations, followed by covalent cross-links, good control over the size of the SCPNs and microstructure of the hydrophobic interior is achieved. Such a structured SCPN can stabilize the solvatochromic dye benzene-1,3,5-tricarboxamide-Nile Red via molecular recognition for short periods of time in complex media, while showing slow exchange dynamics with the surrounding complex media at longer time scales. The SCPNs show good biocompatibility with cells and can carry cargo into the lysosomal compartments of the cells. Our study highlights the importance of control over the folding pathway in the design of stable SCPNs, which is an important step forward in their application as noncovalent drug or catalyst carriers in biological settings.
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Affiliation(s)
- Stefan Wijker
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Linlin Deng
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Fabian Eisenreich
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Department of Chemical Engineering
and Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute
for Complex Molecular Systems, Laboratory of Macromolecular and Organic
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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Li C, Magana JR, Sobotta F, Wang J, Stuart MAC, van Ravensteijn BGP, Voets IK. Switchable Electrostatically Templated Polymerization. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chendan Li
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Jose R. Magana
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Grup d'Enginyeria de Materials (GEMAT) Institut Químic de Sarrià (IQS) Universitat Ramon Llull (URL) 08022 Barcelona Spain
| | - Fabian Sobotta
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Martien A. Cohen Stuart
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering East China University of Science and Technology 130 Meilong Road Shanghai 200237 P. R. China
| | - Bas G. P. van Ravensteijn
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Current address: Department of Pharmaceutics Utrecht Institute for Pharmaceutical Sciences (UIPS) Faculty of Science Utrecht University P.O. Box 80082 3508 TB Utrecht The Netherlands
| | - Ilja K. Voets
- Institute for Complex Molecular Systems Department of Chemical Engineering and Chemistry Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
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Tong C, Wondergem JAJ, van den Brink M, Kwakernaak MC, Chen Y, Hendrix MMRM, Voets IK, Danen EHJ, Le Dévédec S, Heinrich D, Kieltyka RE. Spatial and Temporal Modulation of Cell Instructive Cues in a Filamentous Supramolecular Biomaterial. ACS Appl Mater Interfaces 2022; 14:17042-17054. [PMID: 35403421 PMCID: PMC9026256 DOI: 10.1021/acsami.1c24114] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Supramolecular materials provide unique opportunities to mimic both the structure and mechanics of the biopolymer networks that compose the extracellular matrix. However, strategies to modify their filamentous structures in space and time in 3D cell culture to study cell behavior as encountered in development and disease are lacking. We herein disclose a multicomponent squaramide-based supramolecular material whose mechanics and bioactivity can be controlled by light through co-assembly of a 1,2-dithiolane (DT) monomer that forms disulfide cross-links. Remarkably, increases in storage modulus from ∼200 Pa to >10 kPa after stepwise photo-cross-linking can be realized without an initiator while retaining colorlessness and clarity. Moreover, viscoelasticity and plasticity of the supramolecular networks decrease upon photo-irradiation, reducing cellular protrusion formation and motility when performed at the onset of cell culture. When applied during 3D cell culture, force-mediated manipulation is impeded and cells move primarily along earlier formed channels in the materials. Additionally, we show photopatterning of peptide cues in 3D using either a photomask or direct laser writing. We demonstrate that these squaramide-based filamentous materials can be applied to the development of synthetic and biomimetic 3D in vitro cell and disease models, where their secondary cross-linking enables mechanical heterogeneity and shaping at multiple length scales.
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Affiliation(s)
- Ciqing Tong
- Department
of Supramolecular and Biomaterials Chemistry, Leiden Institute of
Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Joeri A. J. Wondergem
- Biological
and Soft Matter Physics, Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands
| | - Marijn van den Brink
- Department
of Supramolecular and Biomaterials Chemistry, Leiden Institute of
Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Markus C. Kwakernaak
- Department
of Supramolecular and Biomaterials Chemistry, Leiden Institute of
Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Ying Chen
- Department
of Supramolecular and Biomaterials Chemistry, Leiden Institute of
Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Marco M. R. M. Hendrix
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MD Eindhoven, The Netherlands
| | - Ilja K. Voets
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, P.O. Box 513, 5600 MD Eindhoven, The Netherlands
| | - Erik H. J. Danen
- Division
of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2333 CC Leiden, The Netherlands
| | - Sylvia Le Dévédec
- Division
of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2333 CC Leiden, The Netherlands
| | - Doris Heinrich
- Biological
and Soft Matter Physics, Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, The Netherlands
- Institute
for Bioprocessing and Analytical Measurement Techniques, Rosenhof 1, 37308 Heilbad Heiligenstadt, Germany
- Faculty for
Mathematics and Natural Sciences, Technische
Universität Ilmenau, 98693 Ilmenau, Germany
| | - Roxanne E. Kieltyka
- Department
of Supramolecular and Biomaterials Chemistry, Leiden Institute of
Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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Malinowska AM, Huijsmans T, de Jong S, de Jong S, Tas R, Suris Valls R, Voets IK, Heller I. How do antifreeze proteins inhibit Ostwald ripening of ice crystals?: analyzing local surface curvature changes at high resolution. Biophys J 2022. [DOI: 10.1016/j.bpj.2021.11.976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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22
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Surís-Valls R, Hogervorst TP, Schoenmakers SMC, Hendrix MMRM, Milroy L, Voets IK. Inhibition of Ice Recrystallization by Nanotube-Forming Cyclic Peptides. Biomacromolecules 2022; 23:520-529. [PMID: 35045706 PMCID: PMC8848283 DOI: 10.1021/acs.biomac.1c01267] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
While most native ice-binding proteins are rigid, artificial (macro)molecular ice-binders are usually flexible. Realizing a regular array with precisely positioned ice-binding motifs on synthetic proteins, (macro)molecular ice-binders are thus challenging. Here, we exploit the predictable assembly of cyclic peptides into nanotubes as a starting point to prepare large, rigid ice-binders bearing an ice-binding site that is found in hyperactive ice-binding proteins in insects. First, we designed, synthesized, and purified cyclic octapeptide Lys2CP8 bearing a TaT motif to promote ice binding and investigated their solution assembly and activity using circular dichroism (CD) spectroscopy, Fourier-transform infrared (FTIR) spectroscopy, light scattering (LS), cryogenic transmission electron microscopy (cryo-TEM), and ice recrystallization inhibition (IRI) assays. The cyclic peptide Lys2CP8 was synthesized in good yield using Fmoc chemistry and purified by reversed-phase HPLC. Upon dissolution in aqueous solutions, Lys2CP8 was observed to assemble in a pH- and concentration-dependent manner into objects with nanoscopic dimensions. LS revealed the presence of small and large aggregates at pH 3 and 11, held together through a network of intermolecular antiparallel β-sheets as determined by FTIR and CD spectroscopy. Cryo-TEM revealed the presence of one-dimensional objects at pH 3 and 11. These are mostly well-dispersed at pH 3 but appear to bundle at pH 11. Interestingly, the pH-dependent self-assembly behavior translates into a marked pH dependence of IRI activity. Lys2CP8 is IRI-active at pH 3 while inactive at pH 11 hypothetically because the ice-binding sites are inaccessible at pH 11 due to bundling.
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Affiliation(s)
- Romà Surís-Valls
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Laboratory of Chemical Biology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Tim P Hogervorst
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Sandra M C Schoenmakers
- Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Marco M R M Hendrix
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Lech Milroy
- Laboratory of Chemical Biology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
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23
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Tas RP, Albertazzi L, Voets IK. Small Peptide-Protein Interaction Pair for Genetically Encoded, Fixation Compatible Peptide-PAINT. Nano Lett 2021; 21:9509-9516. [PMID: 34757759 PMCID: PMC8631740 DOI: 10.1021/acs.nanolett.1c02895] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 11/01/2021] [Indexed: 05/08/2023]
Abstract
Super-resolution microscopy via PAINT has been widely adopted in life sciences to interrogate the nanoscale architecture of many cellular structures. However, obtaining quantitative information in fixed cellular samples remains challenging because control of labeling stoichiometry is hampered in current approaches due to click-chemistry and additional targeting probes. To overcome these challenges, we have identified a small, PDZ-based, peptide-protein interaction pair that is genetically encodable and compatible with super-resolution imaging upon cellular fixation without additional labeling. Stoichiometric labeling control by genetic incorporation of this probe into the cellular vimentin network and mitochondria resulted in super-resolved 3D reconstructions with high specificity and spatial resolution. Further characterization reveals that this peptide-protein interaction is compatible with quantitative PAINT and that its binding kinetics remains unaltered upon fixation. Finally, by fusion of our probe to nanobodies against conventional expression markers, we show that this approach provides a versatile addition to the super-resolution toolbox.
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Affiliation(s)
- Roderick P. Tas
- Laboratory
of Self-Organizing Soft Matter, Institute for Complex Molecular Systems
and Department of Chemical Engineering and Chemistry, Eindhoven University of Technology (TUE), Eindhoven 5612 AP, The Netherlands
| | - Lorenzo Albertazzi
- Laboratory
of Nanoscopy for Nanomedicine, Institute for Complex Molecular Systems
and Department of Biomedical Engineering, Eindhoven University of Technology (TUE), Eindhoven 5612 AP, The Netherlands
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Institute for Complex Molecular Systems
and Department of Chemical Engineering and Chemistry, Eindhoven University of Technology (TUE), Eindhoven 5612 AP, The Netherlands
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24
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Guo S, Zahiri H, Stevens C, Spaanderman DC, Milroy LG, Ottmann C, Brunsveld L, Voets IK, Davies PL. Molecular basis for inhibition of adhesin-mediated bacterial-host interactions through a peptide-binding domain. Cell Rep 2021; 37:110002. [PMID: 34788627 DOI: 10.1016/j.celrep.2021.110002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/26/2021] [Accepted: 10/25/2021] [Indexed: 12/17/2022] Open
Abstract
Infections typically begin with pathogens adhering to host cells. For bacteria, this adhesion can occur through specific ligand-binding domains. We identify a 20-kDa peptide-binding domain (PBD) in a 1.5-MDa RTX adhesin of a Gram-negative marine bacterium that colonizes diatoms. The crystal structure of this Ca2+-dependent PBD suggests that it may bind the C termini of host cell-surface proteins. A systematic peptide library analysis reveals an optimal tripeptide sequence with 30-nM affinity for the PBD, and X-ray crystallography details its peptide-protein interactions. Binding of the PBD to the diatom partner of the bacteria can be inhibited or competed away by the peptide, providing a molecular basis for inhibiting bacterium-host interactions. We further show that this PBD is found in other bacteria, including human pathogens such as Vibrio cholerae and Aeromonas veronii. Here, we produce the PBD ortholog from A. veronii and demonstrate, using the same peptide inhibitor, how pathogens may be prevented from adhering to their hosts.
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Affiliation(s)
- Shuaiqi Guo
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada; Laboratory of Self-Organizing Soft Matter, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Laboratory of Chemical Biology, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Hossein Zahiri
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Corey Stevens
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Daniel C Spaanderman
- Laboratory of Chemical Biology, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Lech-Gustav Milroy
- Laboratory of Chemical Biology, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Christian Ottmann
- Laboratory of Chemical Biology, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Luc Brunsveld
- Laboratory of Chemical Biology, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology PO Box 513, 5600 MB Eindhoven, the Netherlands
| | - Peter L Davies
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
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25
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Wu B, Liu L, Zhou L, Magana JR, Hendrix MMRM, Wang J, Li C, Ding P, Wang Y, Guo X, Voets IK, Cohen Stuart MA, Wang J. Complex supramolecular fiber formed by coordination-induced self-assembly of benzene-1,3,5-tricarboxamide (BTA). J Colloid Interface Sci 2021; 608:1297-1307. [PMID: 34739992 DOI: 10.1016/j.jcis.2021.10.124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 12/30/2022]
Abstract
HYPOTHESIS In the quest for large but well-controlled supramolecular structures, the discotic benzene-1,3,5-tricarboxamide (BTA) has received quite some attention, because it can form hydrogen-bonded stacks that can be regarded as supramolecular polymers of which the single BTA molecule is the monomer. In this report, we consider a more complex BTA-based supramolecular polymer, namely one that is built up from supramolecular 'monomers'. EXPERIMENTS We design a tris-ligand L3 consisting of a BTA core carrying three dipicolinic acid (DPA) groups. L3 itself is too small to form polymers, but in the presence of appropriate metal ions, each L3 can form three coordination bonds and so form (L3)n clusters that are large enough to stack successfully: at an appropriate metal dose, long and stable filaments with a cross-sectional diameter of 12 nm appear. We monitor the growth process by UV-vis spectroscopy and light scattering, and use small angle X-ray scattering (SAXS), TEM as well as molecular simulation to confirm the filamentous structure of the fibers and determine their dimensions. FINDINGS The formation and structure of the fiber are very similar for various transition metal ions, which enables introducing different functionalities, e.g., magnetic relaxivity, by proper choice of the metal ions. Hence, we obtain a doubly supramolecular polymer, connected axially by hydrogen bonds, and radially by coordination bonds. Not only does this realize a higher level of complexity, but it also allows to easily introduce and vary metal-derived functionalities.
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Affiliation(s)
- Bohang Wu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Lin Liu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Lu Zhou
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Jose Rodrigo Magana
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Marco M R M Hendrix
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Jiahua Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Chendan Li
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Peng Ding
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Yiming Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Xuhong Guo
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Ilja K Voets
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Martien A Cohen Stuart
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Junyou Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
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26
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Sampaio-Pinto V, Janssen J, Chirico N, Serra M, Alves PM, Doevendans PA, Voets IK, Sluijter JPG, van Laake LW, van Mil A. A Roadmap to Cardiac Tissue-Engineered Construct Preservation: Insights from Cells, Tissues, and Organs. Adv Mater 2021; 33:e2008517. [PMID: 34048090 DOI: 10.1002/adma.202008517] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/15/2021] [Indexed: 06/12/2023]
Abstract
Worldwide, over 26 million patients suffer from heart failure (HF). One strategy aspiring to prevent or even to reverse HF is based on the transplantation of cardiac tissue-engineered (cTE) constructs. These patient-specific constructs aim to closely resemble the native myocardium and, upon implantation on the diseased tissue, support and restore cardiac function, thereby preventing the development of HF. However, cTE constructs off-the-shelf availability in the clinical arena critically depends on the development of efficient preservation methodologies. Short- and long-term preservation of cTE constructs would enable transportation and direct availability. Herein, currently available methods, from normothermic- to hypothermic- to cryopreservation, for the preservation of cardiomyocytes, whole-heart, and regenerative materials are reviewed. A theoretical foundation and recommendations for future research on developing cTE construct specific preservation methods are provided. Current research suggests that vitrification can be a promising procedure to ensure long-term cryopreservation of cTE constructs, despite the need of high doses of cytotoxic cryoprotective agents. Instead, short-term cTE construct preservation can be achieved at normothermic or hypothermic temperatures by administration of protective additives. With further tuning of these promising methods, it is anticipated that cTE construct therapy can be brought one step closer to the patient.
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Affiliation(s)
- Vasco Sampaio-Pinto
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Jasmijn Janssen
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Nino Chirico
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Margarida Serra
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, 2781-901, Portugal
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, 2780-157, Portugal
| | - Paula M Alves
- IBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, 2781-901, Portugal
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, Oeiras, 2780-157, Portugal
| | - Pieter A Doevendans
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Netherlands Heart Institute, P.O. Box 19258, Utrecht, 3501 DG, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology (TUE), Groene Loper 3, Eindhoven, 5612 AE, The Netherlands
| | - Joost P G Sluijter
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Linda W van Laake
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
| | - Alain van Mil
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, Utrecht, 3584 CX, The Netherlands
- Regenerative Medicine Center, University Medical Center Utrecht, Uppsalalaan 8, Utrecht, 3584 CT, The Netherlands
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27
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Timmers EM, Fransen PM, González García Á, Schoenmakers SMC, Magana JR, Peeters JW, Tennebroek R, van Casteren I, Tuinier R, Janssen HM, Voets IK. Co-assembly of precision polyurethane ionomers reveals role of and interplay between individual components. Polym Chem 2021; 12:2891-2903. [PMID: 34046093 PMCID: PMC8129887 DOI: 10.1039/d1py00079a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/25/2021] [Indexed: 11/21/2022]
Abstract
Industrial and household products, such as paints, inks and cosmetics usually consist of mixtures of macromolecules that are disperse in composition, in size and in monomer sequence. Identifying structure-function relationships for these systems is complicated, as particular macromolecular components cannot be investigated individually. For this study, we have addressed this issue, and have synthesized a series of five sequence-defined polyurethanes (PUs): one neutral-hydrophobic, one single-charged hydrophilic, one single-charged hydrophobic and two double-charged amphiphilic PUs (one symmetric and one asymmetric). These novel precision PUs - that were prepared by using stepwise coupling-deprotection synthetic protocols - have a defined composition, size and monomer sequence, where the chosen sequences were inspired by those that are abundantly formed in the production of industrial waterborne PU dispersions. By performing dynamic light scattering experiments (DLS), self-consistent field (SCF) computations and cryogenic transmission electron microscopy (cryo-TEM), we have elucidated the behavior in aqueous solution of the individual precision PUs, as well as of binary and ternary mixtures of the PU sequences. The double-charged PU sequences ('hosts') were sufficiently amphiphilic to yield single-component micellar solutions, whereas the two more hydrophobic sequences did not micellize on their own, and gave precipitates or ill-defined larger aggregates. Both the neutral-hydrophobic PU and the hydrophilic single-charged PU were successfully incorporated in the host micelles as guests, respectively increasing and reducing the micelle radius upon incorporation. SCF computations indicated that double-charged symmetric PUs stretch whilst double-charged asymmetric PUs are expelled from the core to accommodate hydrophobic PU guests within the micelles. For the ternary mixture of the double-charged symmetric and asymmetric hosts and the neutral-hydrophobic guest we have found an improved colloidal stability, as compared to those for binary mixtures of either host and hydrophobic guest. In another ternary mixture of precision PUs, with all three components not capable of forming micelles on their own, we see that the ensemble of molecules produces stable micellar solutions. Taken together, we find that the interplay between PU-molecules in aqueous dispersions promotes the formation of stable micellar hydrocolloids.
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Affiliation(s)
- Elizabeth M Timmers
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | | | - Álvaro González García
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Van 't Hoff Laboratory for Physical and Colloid Chemistry, Department of Chemistry and Debye Institute for Nanomaterials Science, Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands
| | - Sandra M C Schoenmakers
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Jose Rodrigo Magana
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
| | - Joris W Peeters
- SyMO-Chem B.V. Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Ronald Tennebroek
- DSM Resins and Functional Materials Sluisweg 12 5145 PE Waalwijk The Netherlands
| | - Ilse van Casteren
- DSM Resins and Functional Materials Sluisweg 12 5145 PE Waalwijk The Netherlands
| | - Remco Tuinier
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Van 't Hoff Laboratory for Physical and Colloid Chemistry, Department of Chemistry and Debye Institute for Nanomaterials Science, Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands
| | - Henk M Janssen
- SyMO-Chem B.V. Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven The Netherlands
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28
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Affiliation(s)
- Yuyang Wang
- Department of Applied Physics & Institute of Complex Molecular Systems (ICMS) Eindhoven University of Technology (TUE) Eindhoven The Netherlands
| | - Heiner Friedrich
- Laboratory of Physical Chemistry and Center for Multiscale Electron Microscopy, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems Eindhoven University of Technology (TUE) Eindhoven The Netherlands
| | - Ilja K. Voets
- Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS) Eindhoven University of Technology (TUE) Eindhoven The Netherlands
- Laboratory of Self‐Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS) Eindhoven University of Technology (TUE) Eindhoven The Netherlands
| | - Peter Zijlstra
- Department of Applied Physics & Institute of Complex Molecular Systems (ICMS) Eindhoven University of Technology (TUE) Eindhoven The Netherlands
| | - Lorenzo Albertazzi
- Department of Biomedical Engineering, Institute of Complex Molecular Systems (ICMS) Eindhoven University of Technology (TUE) Eindhoven The Netherlands
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Barcelona Spain
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29
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Pille J, Aloi A, Le DHT, Vialshin I, van de Laar N, Kevenaar K, Merkx M, Voets IK, van Hest JCM. Pathway-Dependent Co-Assembly of Elastin-Like Polypeptides. Small 2021; 17:e2007234. [PMID: 33690936 DOI: 10.1002/smll.202007234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/22/2021] [Indexed: 06/12/2023]
Abstract
In natural systems, temperature-induced assembly of biomolecules can lead to the formation of distinct assembly states, created out of the same set of starting compounds, based on the heating trajectory followed. Until now it has been difficult to achieve similar behavior in synthetic polymer mixtures. Here, a novel pathway-dependent assembly based on stimulus-responsive polymers is shown. When a mixture of mono- and diblock copolymers, based on elastin-like polypeptides, is heated with a critical heating rate co-assembled particles are created that are monodisperse, stable, and have tunable hydrodynamic radii between 20 and 120 nm. Below this critical heating rate, the constituents separately form polymer assemblies. This process is kinetically driven and reversible in thermodynamically closed systems. Using the co-assembly pathway, fluorescent proteins and bioluminescent enzymes are encapsulated with high efficiency. Encapsulated cargo shows unperturbed function even after delivery into cells. The pathway-dependent co-assembly of elastin-like polypeptides is not only of fundamental interest from a materials science perspective, allowing the formation of multiple distinct assemblies from the same starting compounds, which can be interconverted by going back to the molecularly dissolved states. It also enables a versatile way for constructing highly effective vehicles for the cellular delivery of biomolecular cargo.
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Affiliation(s)
- Jan Pille
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Antonio Aloi
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Duc H T Le
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Ilia Vialshin
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Nathalie van de Laar
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Kirsten Kevenaar
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Maarten Merkx
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Ilja K Voets
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
| | - Jan C M van Hest
- Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology, PO Box 513, Eindhoven, 5600 MB, the Netherlands
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Liu J, Schotman MJG, Hendrix MMRM, Lou X, Marín San Román PP, Voets IK, Sijbesma RP. Effects of structural variation on the self‐assembly of bis‐urea based bolaamphiphiles. Journal of Polymer Science 2021. [DOI: 10.1002/pol.20200888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Jie Liu
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Maaike J. G. Schotman
- Department of Biomedical Engineering, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Marco M. R. M. Hendrix
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Xianwen Lou
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Patricia P. Marín San Román
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Ilja K. Voets
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
| | - Rint P. Sijbesma
- Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems Eindhoven University of Technology Eindhoven The Netherlands
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31
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Timmers E, Fransen PM, Magana JR, Janssen HM, Voets IK. Micellization of Sequence-Controlled Polyurethane Ionomers in Mixed Aqueous Solvents. Macromolecules 2021; 54:2376-2382. [PMID: 33814615 PMCID: PMC8016144 DOI: 10.1021/acs.macromol.0c02107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 12/28/2020] [Indexed: 12/22/2022]
Abstract
While the impact of compositional parameters such as block length and ionic content on the micellization of (polymeric) amphiphiles is widely investigated, the influence of monomer sequence has received far less attention until recently. Here, we report the synthesis of two sequence-controlled polyurethane ionomers (PUIs) prepared via a stepwise coupling-deprotection strategy, and compare their solution association in aqueous-organic mixtures. The two PUIs are highly similar in mass and overall composition, yet differ markedly in the sequence of building blocks. PUI-A2 comprises a polytetrahydrofuran (pTHF) block connected to an alternation of isophorone diamine (IPDA) and dimethylolpropionic acid (DMPA) units that together are also arranged in a blockwise manner. The result is a macromolecular structure with a comparatively hydrophobic tail (pTHF) and a hydrophilic headgroup, which structure is reminiscent of those of traditional surfactants, albeit much larger in size. PUI-S2 instead resembles a bolaamphiphilic architecture with a pTHF midblock connected on either end to a singly charged segment comprising DMPA and IPDA. We detect micellization below a threshold cosolvent volume fraction (φsolv) of 0.4 in aqueous-organic mixtures with tetrahydrofuran (THF), ethanol, and isopropyl alcohol. We use scattering tools to compare the aggregation number (N agg) and hydrodynamic radius (R h) of PUI-S2 and PUI-A2 micelles. Irrespective of the solvent composition, we observe in the micellar window of φsolv < 0.4, lower N agg for PUI-S2 micelles compared to PUI-A2, which we attribute to packing restraints associated with its bolaamphiphilic architecture. The increase in micellar size with increasing φsolv is much more pronounced for PUI-S2 than for PUI-A2. The micellar mass decreases with increasing φsolv for both PUIs; the effect is modest for PUI-S2 compared to PUI-A2 and is not observed in the most apolar cosolvent studied (THF). Upon the approach of the micellization boundary φsolv ≈ 0.4, both types of PUI micelles become less compact in structure, as (in most cases) PUIs are released and as micellar dimensions increase.
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Affiliation(s)
- Elizabeth
M. Timmers
- Laboratory
of Self-Organizing Soft Matter, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Laboratory
of Macro-Organic Chemistry, Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600MB Eindhoven, The Netherlands
| | - P. Michel Fransen
- Laboratory
of Macro-Organic Chemistry, Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- SyMO-Chem
B.V., Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
| | - Jose Rodrigo Magana
- Laboratory
of Self-Organizing Soft Matter, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Laboratory
of Macro-Organic Chemistry, Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600MB Eindhoven, The Netherlands
| | - Henk M. Janssen
- Laboratory
of Macro-Organic Chemistry, Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- SyMO-Chem
B.V., Den Dolech 2, 5612 AZ Eindhoven, The Netherlands
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Laboratory
of Macro-Organic Chemistry, Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
- Institute
for Complex Molecular Systems, Eindhoven
University of Technology, 5600MB Eindhoven, The Netherlands
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32
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Atkins DL, Magana JR, Sproncken CCM, van Hest JCM, Voets IK. Single Enzyme Nanoparticles with Improved Biocatalytic Activity through Protein Entrapment in a Surfactant Shell. Biomacromolecules 2021; 22:1159-1166. [PMID: 33630590 PMCID: PMC7944482 DOI: 10.1021/acs.biomac.0c01663] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
A polymeric corona
consisting of an alkyl-glycolic acid ethoxylate
(CXEOY) surfactant
offers a promising approach toward endowing proteins with thermotropic
phase behavior and hyperthermal activity. Typically, preparation of
protein–surfactant biohybrids is performed via chemical modification of acidic residues followed by electrostatic
conjugation of an anionic surfactant to encapsulate single proteins.
While this procedure has been applied to a broad range of proteins,
modification of acidic residues may be detrimental to function for
specific enzymes. Herein, we report on the one-pot preparation of
biohybrids via covalent conjugation of surfactants
to accessible lysine residues. We entrap the model enzyme hen egg-white
lysozyme (HEWL) in a shell of carboxyl-functionalized C12EO10 or C12EO22 surfactants. With
fewer surfactants, our covalent biohybrids display similar thermotropic
phase behavior to their electrostatically conjugated analogues. Through
a combination of small-angle X-ray scattering and circular dichroism
spectroscopy, we find that both classes of biohybrids consist of a
folded single-protein core decorated by surfactants. Whilst traditional
biohybrids retain densely packed surfactant coronas, our biohybrids
display a less dense and heterogeneously distributed surfactant coverage
located opposite to the catalytic cleft of HEWL. In solution, this
surfactant coating permits 7- or 3.5-fold improvements in activity
retention for biohybrids containing C12EO10 or
C12EO22, respectively. The reported alternative
pathway for biohybrid preparation offers a new horizon to expand upon
the library of proteins for which functional biohybrid materials can
be prepared. We also expect that an improved understanding of the
distribution of tethered surfactants in the corona will be crucial
for future structure–function investigations.
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Affiliation(s)
- Dylan L Atkins
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - J Rodrigo Magana
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Christian C M Sproncken
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Jan C M van Hest
- Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Laboratory of Bio-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
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33
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Sproncken CM, Magana JR, Voets IK. 100th Anniversary of Macromolecular Science Viewpoint: Attractive Soft Matter: Association Kinetics, Dynamics, and Pathway Complexity in Electrostatically Coassembled Micelles. ACS Macro Lett 2021; 10:167-179. [PMID: 33628618 PMCID: PMC7894791 DOI: 10.1021/acsmacrolett.0c00787] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/05/2021] [Indexed: 02/07/2023]
Abstract
Electrostatically coassembled micelles constitute a versatile class of functional soft materials with broad application potential as, for example, encapsulation agents for nanomedicine and nanoreactors for gels and inorganic particles. The nanostructures that form upon the mixing of selected oppositely charged (block co)polymers and other ionic species greatly depend on the chemical structure and physicochemical properties of the micellar building blocks, such as charge density, block length (ratio), and hydrophobicity. Nearly three decades of research since the introduction of this new class of polymer micelles shed significant light on the structure and properties of the steady-state association colloids. Dynamics and out-of-equilibrium processes, such as (dis)assembly pathways, exchange kinetics of the micellar constituents, and reaction-assembly networks, have steadily gained more attention. We foresee that the broadened scope will contribute toward the design and preparation of otherwise unattainable structures with emergent functionalities and properties. This Viewpoint focuses on current efforts to study such dynamic and out-of-equilibrium processes with greater spatiotemporal detail. We highlight different approaches and discuss how they reveal and rationalize similarities and differences in the behavior of mixed micelles prepared under various conditions and from different polymeric building blocks.
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Affiliation(s)
- Christian
C. M. Sproncken
- Laboratory of Self-Organizing
Soft Matter, Department of Chemical Engineering and Chemistry and
Institute for Complex Molecular Systems, Eindhoven University of Technology, PO Box 513, 5600 MB, Eindhoven, The Netherlands
| | - J. Rodrigo Magana
- Laboratory of Self-Organizing
Soft Matter, Department of Chemical Engineering and Chemistry and
Institute for Complex Molecular Systems, Eindhoven University of Technology, PO Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Ilja K. Voets
- Laboratory of Self-Organizing
Soft Matter, Department of Chemical Engineering and Chemistry and
Institute for Complex Molecular Systems, Eindhoven University of Technology, PO Box 513, 5600 MB, Eindhoven, The Netherlands
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34
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Tas RP, Sampaio-Pinto V, Wennekes T, van Laake LW, Voets IK. From the freezer to the clinic: Antifreeze proteins in the preservation of cells, tissues, and organs. EMBO Rep 2021; 22:e52162. [PMID: 33586846 PMCID: PMC7926221 DOI: 10.15252/embr.202052162] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Roderick P Tas
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology (TUE), Eindhoven, The Netherlands
| | - Vasco Sampaio-Pinto
- Department of Cardiology and Experimental Cardiology Laboratory, University Medical Centre Utrecht, Utrecht, The Netherlands.,Regenerative Medicine Centre, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Tom Wennekes
- Department of Chemical Biology and Drug Discovery, Utrecht Institute for Pharmaceutical Sciences and Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The Netherlands
| | - Linda W van Laake
- Department of Cardiology and Experimental Cardiology Laboratory, University Medical Centre Utrecht, Utrecht, The Netherlands.,Regenerative Medicine Centre, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology (TUE), Eindhoven, The Netherlands
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35
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Gerth M, Berrocal JA, Bochicchio D, Pavan GM, Voets IK. Discordant Supramolecular Fibres Reversibly Depolymerised by Temperature and Light. Chemistry 2021; 27:1829-1838. [PMID: 33176038 PMCID: PMC7898537 DOI: 10.1002/chem.202004115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/09/2020] [Indexed: 11/24/2022]
Abstract
Synthetic stimuli responsive supramolecular polymers attract increasing interest for their ability to mimic the unique properties of natural assemblies. Here we focus on the well-studied benzene-1,3,5-tricarboxamide (BTA) motif, and substitute it with two (S)-3,7-dimethyloctyl groups and an azobenzene photoswitch. We demonstrate the UV (λ=365 nm) induced depolymerisation of the helical hydrogen-bonded polymers in methylcyclohexane (MCH) through circular dichroism and UV-vis spectroscopy in dilute solution (15 μm), and NMR and iPAINT super-resolution microscopy in concentrated solution (300 μm). The superstructure can be regenerated after thermal depolymerization, whilst repeated depolymerisation can be reversed without degradation by irradiating at λ=455 nm. Molecular dynamics simulations show that the most energetically favourable configuration for these polymers in MCH is a left-handed helical network of hydrogen-bonds between the BTA cores surrounded by two right-handed helices of azobenzenes. The responsiveness to two orthogonal triggers across a broad concentration range holds promise for use in, for example, photo-responsive gelation.
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Affiliation(s)
- Marieke Gerth
- Self-Organizing Soft Matter groupFaculty of Chemical Engineering and ChemistryEindhoven University of TechnologyGroene Loper 35612AEEindhovenThe Netherlands
- Laboratory of Physical ChemistryFaculty of Chemical Engineering and ChemistryEindhoven University of TechnologyGroene Loper 35612AEEindhovenThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyGroene Loper 35612AEEindhovenThe Netherlands
- Van't Hoff Laboratory for Physical and Colloid ChemistryDebye Institute for Nanomaterials ScienceUtrecht UniversityPadualaan 83584CHUtrechtThe Netherlands
| | - José Augusto Berrocal
- Adolphe Merkle InstituteUniversity of FribourgChemin des Verdiers 41700FribourgSwitzerland
| | - Davide Bochicchio
- Department of Innovative TechnologiesUniversity of Applied Sciences and Arts of Southern SwitzerlandGalleria 2, Via Cantonale 2c6928MannoSwitzerland
| | - Giovanni M. Pavan
- Department of Innovative TechnologiesUniversity of Applied Sciences and Arts of Southern SwitzerlandGalleria 2, Via Cantonale 2c6928MannoSwitzerland
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
| | - Ilja K. Voets
- Self-Organizing Soft Matter groupFaculty of Chemical Engineering and ChemistryEindhoven University of TechnologyGroene Loper 35612AEEindhovenThe Netherlands
- Institute for Complex Molecular SystemsEindhoven University of TechnologyGroene Loper 35612AEEindhovenThe Netherlands
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36
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le Paige UB, Xiang S, Hendrix MMRM, Zhang Y, Folkers GE, Weingarth M, Bonvin AMJJ, Kutateladze TG, Voets IK, Baldus M, van Ingen H. Characterization of nucleosome sediments for protein interaction studies by solid-state NMR spectroscopy. Magn Reson (Gott) 2021; 2:187-202. [PMID: 35647606 PMCID: PMC9135053 DOI: 10.5194/mr-2-187-2021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Regulation of DNA-templated processes such as gene transcription and DNA repair depend on the interaction of a wide range of proteins with the nucleosome, the fundamental building block of chromatin. Both solution and solid-state NMR spectroscopy have become an attractive approach to study the dynamics and interactions of nucleosomes, despite their high molecular weight of ~ 200 kDa. For solid-state NMR (ssNMR) studies, dilute solutions of nucleosomes are converted to a dense phase by sedimentation or precipitation. Since nucleosomes are known to self-associate, these dense phases may induce extensive interactions between nucleosomes, which could interfere with protein-binding studies. Here, we characterized the packing of nucleosomes in the dense phase created by sedimentation using NMR and small-angle X-ray scattering (SAXS) experiments. We found that nucleosome sediments are gels with variable degrees of solidity, have nucleosome concentration close to that found in crystals, and are stable for weeks under high-speed magic angle spinning (MAS). Furthermore, SAXS data recorded on recovered sediments indicate that there is no pronounced long-range ordering of nucleosomes in the sediment. Finally, we show that the sedimentation approach can also be used to study low-affinity protein interactions with the nucleosome. Together, our results give new insights into the sample characteristics of nucleosome sediments for ssNMR studies and illustrate the broad applicability of sedimentation-based NMR studies.
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Affiliation(s)
- Ulric B. le Paige
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - ShengQi Xiang
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Marco M. R. M. Hendrix
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Yi Zhang
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Gert E. Folkers
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Markus Weingarth
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Alexandre M. J. J. Bonvin
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Tatiana G. Kutateladze
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, the Netherlands
| | - Marc Baldus
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Hugo van Ingen
- Utrecht NMR Group, Bijvoet Centre for Biomolecular Research, Utrecht University, 3584 CH, Utrecht, the Netherlands
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37
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Timmers EM, Magana JR, Schoenmakers SMC, Fransen PM, Janssen HM, Voets IK. Sequence of Polyurethane Ionomers Determinative for Core Structure of Surfactant-Copolymer Complexes. Int J Mol Sci 2020; 22:E337. [PMID: 33396960 PMCID: PMC7795199 DOI: 10.3390/ijms22010337] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/20/2020] [Accepted: 12/23/2020] [Indexed: 01/04/2023] Open
Abstract
The core of micelles self-assembled from amphiphiles is hydrophobic and contains little water, whereas complex coacervate core micelles co-assembled from oppositely charged hydrophilic polymers have a hydrophilic core with a high water content. Co-assembly of ionic surfactants with ionic-neutral copolymers yields surfactant-copolymer complexes known to be capable of solubilizing both hydrophilic and hydrophobic cargo within the mixed core composed of a coacervate phase with polyelectrolyte-decorated surfactant micelles. Here we formed such complexes from asymmetric (PUI-A2) and symmetric (PUI-S2), sequence-controlled polyurethane ionomers and poly(N-methyl-2-vinylpyridinium iodide)29-b-poly(ethylene oxide)204 copolymers. The complexes with PUI-S2 were 1.3-fold larger in mass and 1.8-fold larger in radius of gyration than the PUI-A2 complexes. Small-angle X-ray scattering revealed differences in the packing of the similarly sized PUI micelles within the core of the complexes. The PUI-A2 micelles were arranged in a more ordered fashion and were spaced further apart from each other (10 nm vs. 6 nm) than the PUI-S2 micelles. Hence, this work shows that the monomer sequence of amphiphiles can be varied to alter the internal structure of surfactant-copolymer complexes. Since the structure of the micellar core may affect both the cargo loading and release, our findings suggest that these properties may be tuned through control of the monomer sequence of the micellar constituents.
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Affiliation(s)
- Elizabeth M. Timmers
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands; (E.M.T.); (J.R.M.)
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Jose Rodrigo Magana
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands; (E.M.T.); (J.R.M.)
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Sandra M. C. Schoenmakers
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - P. Michel Fransen
- SyMO-Chem B.V., Den Dolech 2, 5612 AZ Eindhoven, The Netherlands; (P.M.F.); (H.M.J.)
| | - Henk M. Janssen
- SyMO-Chem B.V., Den Dolech 2, 5612 AZ Eindhoven, The Netherlands; (P.M.F.); (H.M.J.)
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands; (E.M.T.); (J.R.M.)
- Laboratory of Macro-Organic Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;
- Institute for Complex Molecular Systems, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
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van Ravensteijn BGP, Hage PA, Voets IK. Framed by depletion. Nat Mater 2020; 19:1261-1263. [PMID: 33208933 DOI: 10.1038/s41563-020-00861-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Bas G P van Ravensteijn
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, the Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Patrick A Hage
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, the Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Ilja K Voets
- Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, Eindhoven, the Netherlands.
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, the Netherlands.
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39
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Magana JR, Gumí‐Audenis B, Tas RP, Gascoigne L, Atkins DL, Voets IK. Bioinspired Scaffolding by Supramolecular Amines Allows the Formation of One- and Two-Dimensional Silica Superstructures. Chemistry 2020; 26:15330-15336. [PMID: 32783243 PMCID: PMC7756888 DOI: 10.1002/chem.202003139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/27/2020] [Indexed: 12/11/2022]
Abstract
Silica materials attract an increasing amount of interest in (fundamental) research, and find applications in, for example, sensing, catalysis, and drug delivery. As the properties of these (nano)materials not only depend on their chemistry but also their size, shape, and surface area, the controllable synthesis of silica is essential for tailoring the materials to specific applications. Advantageously, bioinspired routes for silica production are environmentally friendly and straightforward since the formation process is spontaneous and proceeds under mild conditions. These strategies mostly employ amine-bearing phosphorylated (bio)polymers. In this work, we expand this principle to supramolecular polymers based on the water-soluble cationic cyanine dye Pinacyanol acetate. Upon assembly in water, these dye molecules form large, polyaminated, supramolecular fibers. The surfaces of these fibers can be used as a scaffold for the condensation of silicic acid. Control over the ionic strength, dye concentration, and silicic acid saturation yielded silica fibers with a diameter of 25 nm and a single, 4 nm pore. Unexpectedly, other unusual superstructures, namely, nummulites and spherulites, are also observed depending on the ionic strength and dye concentration. Transmission and scanning electron microscopy (TEM and SEM) showed that these superstructures are formed by aligned silica fibers. Close examination of the dye scaffold prior silicification using small-angle X-ray scattering (SAXS), and UV/Vis spectroscopy revealed minor influence of the ionic strength and dye concentration on the morphology of the supramolecular scaffold. Total internal reflection fluorescence (TIRF) during silicification unraveled that if the reaction is kept under static conditions, only silica fibers are obtained. Experiments performed on the dye scaffold and silica superstructures evidenced that the marked structural diversity originates from the arrangement of silica/dye fibers. Under these mild conditions, external force fields can profoundly influence the morphology of the produced silica.
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Affiliation(s)
- Jose R. Magana
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
| | - Berta Gumí‐Audenis
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
| | - Roderick P. Tas
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
| | - Levena Gascoigne
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
| | - Dylan L. Atkins
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft MatterLaboratory of Macromolecular and Organic Chemistry, andInstitute for Complex Molecular SystemsEindhoven University of Technology5600MBEindhovenThe Netherlands
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40
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Saez Talens V, Davis J, Wu CH, Wen Z, Lauria F, Gupta KBSS, Rudge R, Boraghi M, Hagemeijer A, Trinh TT, Englebienne P, Voets IK, Wu JI, Kieltyka RE. Thiosquaramide-Based Supramolecular Polymers: Aromaticity Gain in a Switched Mode of Self-Assembly. J Am Chem Soc 2020; 142:19907-19916. [PMID: 33191746 PMCID: PMC7705886 DOI: 10.1021/jacs.0c02081] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Despite a growing understanding of factors that drive monomer self-assembly to form supramolecular polymers, the effects of aromaticity gain have been largely ignored. Herein, we document the aromaticity gain in two different self-assembly modes of squaramide-based bolaamphiphiles. Importantly, O → S substitution in squaramide synthons resulted in supramolecular polymers with increased fiber flexibility and lower degrees of polymerization. Computations and spectroscopic experiments suggest that the oxo- and thiosquaramide bolaamphiphiles self-assemble into "head-to-tail" versus "stacked" arrangements, respectively. Computed energetic and magnetic criteria of aromaticity reveal that both modes of self-assembly increase the aromatic character of the squaramide synthons, giving rise to stronger intermolecular interactions in the resultant supramolecular polymer structures. These examples suggest that both hydrogen-bonding and stacking interactions can result in increased aromaticity upon self-assembly, highlighting its relevance in monomer design.
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Affiliation(s)
- Victorio Saez Talens
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Joyal Davis
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Chia-Hua Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Zhili Wen
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Francesca Lauria
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Karthick Babu Sai Sankar Gupta
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Raisa Rudge
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Mahsa Boraghi
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Alexander Hagemeijer
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
| | - Thuat T Trinh
- Department of Chemistry, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Pablo Englebienne
- Process & Energy Laboratory, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands
| | - Ilja K Voets
- Laboratory of Self-Organizing Soft Matter and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MD, Eindhoven, The Netherlands
| | - Judy I Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Roxanne E Kieltyka
- Supramolecular and Biomaterials Chemistry, Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA, Leiden, The Netherlands
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41
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van Ravensteijn BGP, Voets IK, Kegel WK, Eelkema R. Out-of-Equilibrium Colloidal Assembly Driven by Chemical Reaction Networks. Langmuir 2020; 36:10639-10656. [PMID: 32787015 PMCID: PMC7497707 DOI: 10.1021/acs.langmuir.0c01763] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/08/2020] [Indexed: 05/20/2023]
Abstract
Transient assembled structures play an indispensable role in a wide variety of processes fundamental to living organisms including cellular transport, cell motility, and proliferation. Typically, the formation of these transient structures is driven by the consumption of molecular fuels via dissipative reaction networks. In these networks, building blocks are converted from inactive precursor states to active (assembling) states by (a set of) irreversible chemical reactions. Since the activated state is intrinsically unstable and can be maintained only in the presence of sufficient fuel, fuel depletion results in the spontaneous disintegration of the formed superstructures. Consequently, the properties and behavior of these assembled structures are governed by the kinetics of fuel consumption rather than by their thermodynamic stability. This fuel dependency endows biological systems with unprecedented spatiotemporal adaptability and inherent self-healing capabilities. Fascinated by these unique material characteristics, coupling the assembly behavior to molecular fuel or light-driven reaction networks was recently implemented in synthetic (supra)molecular systems. In this invited feature article, we discuss recent studies demonstrating that dissipative assembly is not limited to the molecular world but can also be translated to building blocks of colloidal dimensions. We highlight crucial guiding principles for the successful design of dissipative colloidal systems and illustrate these with the current state of the art. Finally, we present our vision on the future of the field and how marrying nonequilibrium self-assembly with the functional properties associated with colloidal building blocks presents a promising route for the development of next-generation materials.
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Affiliation(s)
- Bas G. P. van Ravensteijn
- Institute
for Complex Molecular Systems, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Ilja K. Voets
- Institute
for Complex Molecular Systems, Department of Chemical Engineering
and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Willem K. Kegel
- Van
’t Hoff Laboratory for Physical and Colloid Chemistry, Debye
Institute for NanoMaterials Science, Utrecht
University, 3584 CH Utrecht, The Netherlands
| | - Rienk Eelkema
- Department
of Chemical Engineering, Delft University
of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
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42
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Wang J, Lei L, Voets IK, Cohen Stuart MA, Velders AH. Dendrimicelles with pH-controlled aggregation number of core-dendrimers and stability. Soft Matter 2020; 16:7893-7897. [PMID: 32832954 DOI: 10.1039/d0sm00458h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We present a simple way to build up well-controlled coacervate-core dendrimicelles by assembly of anionic PAMAM dendrimers with a cationic-neutral diblock copolymer. Upon increasing pH, the formation of micellar structures shows constant size but the number of dendrimer molecules incorporated in one micelle decreases, following the charge stoichiometry formation rules; concomitantly, the salt stability increases. This study shows the straightforward tuning of macromolecular core-units and related micelle properties.
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Affiliation(s)
- Junyou Wang
- State-Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
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43
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Magana JR, Sproncken CCM, Voets IK. On Complex Coacervate Core Micelles: Structure-Function Perspectives. Polymers (Basel) 2020; 12:E1953. [PMID: 32872312 PMCID: PMC7565781 DOI: 10.3390/polym12091953] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 12/31/2022] Open
Abstract
The co-assembly of ionic-neutral block copolymers with oppositely charged species produces nanometric colloidal complexes, known, among other names, as complex coacervates core micelles (C3Ms). C3Ms are of widespread interest in nanomedicine for controlled delivery and release, whilst research activity into other application areas, such as gelation, catalysis, nanoparticle synthesis, and sensing, is increasing. In this review, we discuss recent studies on the functional roles that C3Ms can fulfil in these and other fields, focusing on emerging structure-function relations and remaining knowledge gaps.
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Affiliation(s)
| | | | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; (J.R.M.); (C.C.M.S.)
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44
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Giakoumatos EC, Aloi A, Voets IK. Illuminating the Impact of Submicron Particle Size and Surface Chemistry on Interfacial Position and Pickering Emulsion Type. Nano Lett 2020; 20:4837-4841. [PMID: 32479735 PMCID: PMC7349595 DOI: 10.1021/acs.nanolett.0c00709] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 05/29/2020] [Indexed: 06/11/2023]
Abstract
Pickering emulsions are increasingly applied in the production of medicines, cosmetics, and in food technology. To apply Pickering emulsions in a rational manner it is insufficient to examine properties solely on a macroscopic scale, as this does not elucidate heterogeneities in contact angles (θ) of individual particles, which may have a profound impact on stability and microstructure. Here, we apply the super-resolution technique iPAINT to elucidate for the first time the microscopic origins of macroscopically observed emulsion phase inversions induced by a variation in particle size and aqueous phase pH. We find θ of single carboxyl polystyrene submicron particles (CPS) significantly decreases due to increasing aqueous phase pH and particle size, respectively. Our findings confirm that θ of submicron particles are both size- and pH-dependent. Interestingly, for CPS stabilized water-octanol emulsions, this enables tuning of emulsion type from water-in-oil to oil-in-water by adjustments in either particle size or pH.
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Affiliation(s)
- Emma C. Giakoumatos
- Laboratory of Self-Organizing Soft Matter, Laboratory of Physical-Chemistry, Laboratory of Macromolecular
and Organic Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Antonio Aloi
- Laboratory of Self-Organizing Soft Matter, Laboratory of Physical-Chemistry, Laboratory of Macromolecular
and Organic Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter, Laboratory of Physical-Chemistry, Laboratory of Macromolecular
and Organic Chemistry, and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
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45
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Qu Z, Guo S, Sproncken CCM, Surís-Valls R, Yu Q, Voets IK. Enhancing the Freeze-Thaw Durability of Concrete through Ice Recrystallization Inhibition by Poly(vinyl alcohol). ACS Omega 2020; 5:12825-12831. [PMID: 32548466 PMCID: PMC7288587 DOI: 10.1021/acsomega.0c00555] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Frost weathering of porous materials caused by seasonal temperature changes is a major source of damage to the world's infrastructure and cultural heritage. Here we investigate poly(vinyl alcohol) (PVA) addition as a means to enhance the freeze-thaw durability of concrete without compromising its structural or mechanical integrity. We evaluate the ice recrystallization inhibition activity of PVA in a cementitious environment and the impact of PVA on key structural and mechanical properties, such as cement hydration (products), microstructure, strength, as well as freeze-thaw resistance. We find that a low amount of PVA significantly reduces the surface scaling of concrete and displays excellent ice recrystallization inhibition in the saturated Ca(OH)2 solution, which has a similar pH value as cement pore solution, while it does not affect cement hydration, microstructure, nor its mechanical properties. These findings contribute to new insights on the freeze-thaw damage mechanism, and more importantly, we disclose a new direction for the design of concrete with excellent freeze-thaw resistance.
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Affiliation(s)
- Zhengyao Qu
- State
Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, PR China
- Department
of the Built Environment, Eindhoven University
of Technology, P.O. Box
513, 5600 MB Eindhoven, The Netherlands
| | - Shuaiqi Guo
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Christian C. M. Sproncken
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
- Laboratory
of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600
MB Eindhoven, The Netherlands
| | - Romà Surís-Valls
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Qingliang Yu
- Department
of the Built Environment, Eindhoven University
of Technology, P.O. Box
513, 5600 MB Eindhoven, The Netherlands
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute for Complex Molecular Systems, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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46
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Fuentes E, Gerth M, Berrocal JA, Matera C, Gorostiza P, Voets IK, Pujals S, Albertazzi L. An Azobenzene-Based Single-Component Supramolecular Polymer Responsive to Multiple Stimuli in Water. J Am Chem Soc 2020; 142:10069-10078. [PMID: 32395995 PMCID: PMC7497294 DOI: 10.1021/jacs.0c02067] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
![]()
One
of the most appealing features of supramolecular assemblies
is their ability to respond to external stimuli due to their noncovalent
nature. This provides the opportunity to gain control over their size,
morphology, and chemical properties and is key toward some of their
applications. However, the design of supramolecular systems able to
respond to multiple stimuli in a controlled fashion is still challenging.
Here we report the synthesis and characterization of a novel discotic
molecule, which self-assembles in water into a single-component supramolecular
polymer that responds to multiple independent stimuli. The building
block of such an assembly is a C3-symmetric
monomer, consisting of a benzene-1,3,5-tricarboxamide core conjugated
to a series of natural and non-natural functional amino acids. This
design allows the use of rapid and efficient solid-phase synthesis
methods and the modular implementation of different functionalities.
The discotic monomer incorporates a hydrophobic azobenzene moiety,
an octaethylene glycol chain, and a C-terminal lysine. Each of these
blocks was chosen for two reasons: to drive the self-assembly in water
by a combination of H-bonding and hydrophobicity and to impart specific
responsiveness. With a combination of microscopy and spectroscopy
techniques, we demonstrate self-assembly in water and responsiveness
to temperature, light, pH, and ionic strength. This work shows the
potential to integrate independent mechanisms for controlling self-assembly
in a single-component supramolecular polymer by the rational monomer
design and paves the way toward the use of multiresponsive systems
in water.
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Affiliation(s)
- Edgar Fuentes
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona 08036, Spain
| | - Marieke Gerth
- Laboratory of Self-Organizing Soft Matter, Department of Chemical Engineering and Chemistry & Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology (TUE), Eindhoven 5612 AZ, The Netherlands.,Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology (TUE), Eindhoven 5612 AZ, The Netherlands
| | - José Augusto Berrocal
- Adolphe Merkle Institute, Polymer Chemistry and Materials, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Carlo Matera
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona 08036, Spain.,Network Biomedical Research Centre in Biomaterials, Bioengineering and Nanomedicine (CIBER-BBN), Madrid 28029, Spain
| | - Pau Gorostiza
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona 08036, Spain.,Network Biomedical Research Centre in Biomaterials, Bioengineering and Nanomedicine (CIBER-BBN), Madrid 28029, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Barcelona 08011, Spain
| | - Ilja K Voets
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology (TUE), Eindhoven 5612 AZ, The Netherlands
| | - Silvia Pujals
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona 08036, Spain.,Department of Electronics and Biomedical Engineering, Faculty of Physics, Universitat de Barcelona, Barcelona 08011, Spain
| | - Lorenzo Albertazzi
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona 08036, Spain.,Department of Biomedical Engineering, Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology (TUE), Eindhoven 5612 AZ, The Netherlands
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47
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Affiliation(s)
- Christian C M. Sproncken
- Laboratory of Self-Organizing Soft Matter and Laboratory of Macro-Organic Chemistry Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems Eindhoven University of Technology P.O. Box 516 5600 MB Eindhoven (The Netherlands
| | - Berta Gumí‐Audenis
- Laboratory of Self-Organizing Soft Matter and Laboratory of Macro-Organic Chemistry Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems Eindhoven University of Technology P.O. Box 516 5600 MB Eindhoven (The Netherlands
| | - Guido Panzarasa
- Laboratory of Soft and Living Materials Department of Materials ETH Zürich Vladimir-Prelog-Weg 1–5/10 Zürich 8093 Switzerland
| | - Ilja K. Voets
- Laboratory of Self-Organizing Soft Matter and Laboratory of Macro-Organic Chemistry Department of Chemical Engineering and Chemistry and Institute for Complex Molecular Systems Eindhoven University of Technology P.O. Box 516 5600 MB Eindhoven (The Netherlands
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48
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Guo S, Dubuc E, Rave Y, Verhagen M, Twisk SAE, van der Hek T, Oerlemans GJM, van den Oetelaar MCM, van Hazendonk LS, Brüls M, Eijkens BV, Joostens PL, Keij SR, Xing W, Nijs M, Stalpers J, Sharma M, Gerth M, Boonen RJEA, Verduin K, Merkx M, Voets IK, de Greef TFA. Engineered Living Materials Based on Adhesin-Mediated Trapping of Programmable Cells. ACS Synth Biol 2020; 9:475-485. [PMID: 32105449 PMCID: PMC7091533 DOI: 10.1021/acssynbio.9b00404] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Engineered living materials have the potential for wide-ranging applications such as biosensing and treatment of diseases. Programmable cells provide the functional basis for living materials; however, their release into the environment raises numerous biosafety concerns. Current designs that limit the release of genetically engineered cells typically involve the fabrication of multilayer hybrid materials with submicrometer porous matrices. Nevertheless the stringent physical barriers limit the diffusion of macromolecules and therefore the repertoire of molecules available for actuation in response to communication signals between cells and their environment. Here, we engineer a novel living material entitled "Platform for Adhesin-mediated Trapping of Cells in Hydrogels" (PATCH). This technology is based on engineered E. coli that displays an adhesion protein derived from an Antarctic bacterium with a high affinity for glucose. The adhesin stably anchors E. coli in dextran-based hydrogels with large pore diameters (10-100 μm) and reduces the leakage of bacteria into the environment by up to 100-fold. As an application of PATCH, we engineered E. coli to secrete the bacteriocin lysostaphin which specifically kills Staphyloccocus aureus with low probability of raising antibiotic resistance. We demonstrated that living materials containing this lysostaphin-secreting E. coli inhibit the growth of S. aureus, including the strain resistant to methicillin (MRSA). Our tunable platform allows stable integration of programmable cells in dextran-based hydrogels without compromising free diffusion of macromolecules and could have potential applications in biotechnology and biomedicine.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Martijn Nijs
- Stichting PAMM, Laboratory for Pathology and Medical Microbiology, De Run 6250, Veldhoven, 5504 DL, The Netherlands
| | - Jitske Stalpers
- Stichting PAMM, Laboratory for Pathology and Medical Microbiology, De Run 6250, Veldhoven, 5504 DL, The Netherlands
| | | | | | | | - Kees Verduin
- Stichting PAMM, Laboratory for Pathology and Medical Microbiology, De Run 6250, Veldhoven, 5504 DL, The Netherlands
| | | | | | - Tom F. A. de Greef
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, Nijmegen, 6525 AJ, The Netherlands
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49
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Kamp M, de Nijs B, van der Linden MN, de Feijter I, Lefferts MJ, Aloi A, Griffiths J, Baumberg JJ, Voets IK, van Blaaderen A. Multivalent Patchy Colloids for Quantitative 3D Self-Assembly Studies. Langmuir 2020; 36:2403-2418. [PMID: 32097015 PMCID: PMC7202687 DOI: 10.1021/acs.langmuir.9b03863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/23/2020] [Indexed: 06/10/2023]
Abstract
We report methods to synthesize sub-micron- and micron-sized patchy silica particles with fluorescently labeled hemispherical titania protrusions, as well as routes to efficiently characterize these particles and self-assemble these particles into non-close-packed structures. The synthesis methods expand upon earlier work in the literature, in which silica particles packed in a colloidal crystal were surface-patterned with a silane coupling agent. Here, hemispherical amorphous titania protrusions were successfully labeled with fluorescent dyes, allowing for imaging by confocal microscopy and super-resolution techniques. Confocal microscopy was exploited to experimentally determine the numbers of protrusions per particle over large numbers of particles for good statistical significance, and these distributions were compared to simulations predicting the number of patches as a function of core particle polydispersity and maximum separation between the particle surfaces. We self-assembled these patchy particles into open percolating gel networks by exploiting solvophobic attractions between the protrusions.
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Affiliation(s)
- Marlous Kamp
- Soft
Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
- NanoPhotonics
Centre, Department of Physics, University
of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Bart de Nijs
- Soft
Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
- NanoPhotonics
Centre, Department of Physics, University
of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Marjolein N. van der Linden
- Soft
Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
| | - Isja de Feijter
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Post Office
Box 513, 5600 MB Eindhoven, The Netherlands
| | - Merel J. Lefferts
- Soft
Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
| | - Antonio Aloi
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Post Office
Box 513, 5600 MB Eindhoven, The Netherlands
| | - Jack Griffiths
- NanoPhotonics
Centre, Department of Physics, University
of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Jeremy J. Baumberg
- NanoPhotonics
Centre, Department of Physics, University
of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, United Kingdom
| | - Ilja K. Voets
- Laboratory
of Self-Organizing Soft Matter, Laboratory of Macromolecular and Organic
Chemistry, Department of Chemical Engineering and Chemistry, Institute
for Complex Molecular Systems, Eindhoven
University of Technology, Post Office
Box 513, 5600 MB Eindhoven, The Netherlands
| | - Alfons van Blaaderen
- Soft
Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 1, 3584 CC Utrecht, The Netherlands
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50
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Petkau-Milroy K, Ianiro A, Ahn MML, Magana JR, Vleugels MEJ, Lamers BAG, Tuinier R, Voets IK, Palmans ARA, Meijer EW. Architecture-Dependent Interplay between Self-Assembly and Crystallization in Discrete Block Co-Oligomers. ACS Macro Lett 2020; 9:38-42. [PMID: 35638657 DOI: 10.1021/acsmacrolett.9b00814] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Access to versatile and stable nanostructures formed by the self-assembly of block copolymers in water is essential for biomedical applications. These applications require control over the stability, morphology, and size of the formed nanostructures. Here, we study the self-assembly in water of a library of fully discrete and sequence-controlled AB-type block co-oligomers (BCOs) of oligo(l-lactic acid)-b-oligo(ethylene glycol). In this series, we eliminate all the inherent uncertainty associated with molar mass, ratio, and compositional dispersity, but vary the ratio between the water-soluble and water-insoluble parts. The BCO library is designed in such a way that vesicles, spherical micelles, and cylindrical micelles are generated in solution, hereby covering a variety of common morphologies. With the help of self-consistent field (SCF) computations, the thermodynamic structures in water are predicted for all structures. The morphologies formed were experimentally analyzed using a combination of calorimetry and scattering techniques. When comparing the experimentally found structures with those predicted, we find an excellent agreement. Intriguingly, calorimetry showed the presence of crystallized l-lactic acid (LLA) units in the bilayer of the lamellar forming BCO. Despite this crystallinity, there is no mismatch between the predicted and observed bilayer thicknesses upon self-assembly in water. In this case, phase separation driven by the hydrophobic LLA block coincides with crystallization, resulting in stable morphologies. Thus, SCF guided library design and sample preparation can lead toward robust formulations of nanoparticles.
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