1
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Oktawiec J, Ebrahim OM, Chen Y, Su K, Sharpe C, Rosenmann ND, Barbut C, Weigand SJ, Thompson MP, Byrnes J, Qiao B, Gianneschi NC. Conformational modulation and polymerization-induced folding of proteomimetic peptide brush polymers. Chem Sci 2024:d4sc03420a. [PMID: 39129772 PMCID: PMC11308386 DOI: 10.1039/d4sc03420a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Accepted: 07/16/2024] [Indexed: 08/13/2024] Open
Abstract
Peptide-brush polymers generated by graft-through living polymerization of peptide-modified monomers exhibit high proteolytic stability, therapeutic efficacy, and potential as functional tandem repeat protein mimetics. Prior work has focused on polymers generated from structurally disordered peptides that lack defined conformations. To obtain insight into how the structure of these polymers is influenced by the folding of their peptide sidechains, a set of polymers with varying degrees of polymerization was prepared from peptide monomers that adopt α-helical secondary structure for comparison to those having random coil structures. Circular dichroism and nuclear magnetic resonance spectroscopy confirm the maintenance of the secondary structure of the constituent peptide when polymerized. Small-angle X-ray scattering (SAXS) studies reveal the solution-phase conformation of PLPs in different solvent environments. In particular, X-ray scattering shows that modulation of solvent hydrophobicity, as well as hydrogen bonding patterns of the peptide sidechain, plays an important role in the degree of globularity and conformation of the overall polymer, with polymers of helical peptide brushes showing less spherical compaction in conditions where greater helicity is observed. These structural insights into peptide brush folding and polymer conformation inform the design of these proteomimetic materials with promise for controlling and predicting their artificial fold and morphology.
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Affiliation(s)
- Julia Oktawiec
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Omar M Ebrahim
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Yu Chen
- Department of Materials Science and Engineering, Northwestern University Evanston IL 60208 USA
| | - Kaylen Su
- Department of Natural Sciences, Baruch College, City University of New York New York NY 10010 USA
| | - Christopher Sharpe
- Department of Materials Science and Engineering, Northwestern University Evanston IL 60208 USA
| | - Nathan D Rosenmann
- Department of Materials Science and Engineering, Northwestern University Evanston IL 60208 USA
| | - Clara Barbut
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
| | - Steven J Weigand
- DuPont-Northwestern-Dow Collaborative Access Team (DND-CAT) Synchrotron Research Center, Northwestern University Argonne IL 60208 USA
| | | | - James Byrnes
- Beamline 16ID, NSLS-II, Brookhaven National Laboratory Upton NY 11973 USA
| | - Baofu Qiao
- Department of Natural Sciences, Baruch College, City University of New York New York NY 10010 USA
| | - Nathan C Gianneschi
- Department of Chemistry, Northwestern University Evanston IL 60208 USA
- Department of Materials Science and Engineering, Northwestern University Evanston IL 60208 USA
- International Institute for Nanotechnology, Chemistry of Life Processes Institute, Simpson Querrey Institute, Lurie Cancer Center, Department of Biomedical Engineering, and Department of Pharmacology, Northwestern University Evanston IL 60208 USA
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2
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Blázquez-Martín A, Bonardd S, Verde-Sesto E, Arbe A, Pomposo JA. Trimethylsilanol Cleaves Stable Azaylides As Revealed by Unfolding of Robust "Staudinger" Single-Chain Nanoparticles. ACS POLYMERS AU 2024; 4:140-148. [PMID: 38618005 PMCID: PMC11010256 DOI: 10.1021/acspolymersau.3c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/18/2023] [Accepted: 12/18/2023] [Indexed: 04/16/2024]
Abstract
Herein, we disclose a unique and selective reagent for the cleavage of stable azaylides prepared by the nonhydrolysis Staudinger reaction, enabling the on-demand unfolding of robust single-chain nanoparticles (SCNPs). SCNPs with promising use in catalysis, nanomedicine, and sensing are obtained through intrachain folding of discrete synthetic polymer chains. The unfolding of SCNPs involving reversible interactions triggered by a variety of external stimuli (e.g., pH, temperature, light, and redox potential) or substances (e.g., competitive reagents, solvents, and anions) is well known. Conversely, methods for the unfolding (i.e., intrachain disassembly) of SCNPs with stronger covalent interactions are scarce. We show that trimethylsilanol (Me3SiOH) triggers the efficient unfolding of robust "Staudinger" SCNPs with stable azaylide (-N=P-) moieties as intrachain cross-linking units showing exceptional stability toward water, air, and CS2, a standard reagent for azaylides. As a consequence, Me3SiOH arises as a rare, exceptional, and valuable reagent for the cleavage of stable azaylides prepared by the nonhydrolysis Staudinger reaction.
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Affiliation(s)
- Agustín Blázquez-Martín
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
| | - Sebastián Bonardd
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- Departamento
de Polímeros y Materiales Avanzados: Física, Química
y Tecnología,University of the Basque
Country (UPV/EHU), P°
Manuel Lardizabal 3, E-20800 Donostia, Spain
| | - Ester Verde-Sesto
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- IKERBASQUE
− Basque Foundation for Science, Plaza Euskadi 5, E-48009 Bilbao, Spain
| | - Arantxa Arbe
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
| | - José A. Pomposo
- Centro
de Física de Materiales (CSIC - UPV/EHU) − Materials
Physics Center MPC, P°
Manuel Lardizabal 5, E-20018 Donostia, Spain
- Departamento
de Polímeros y Materiales Avanzados: Física, Química
y Tecnología,University of the Basque
Country (UPV/EHU), P°
Manuel Lardizabal 3, E-20800 Donostia, Spain
- IKERBASQUE
− Basque Foundation for Science, Plaza Euskadi 5, E-48009 Bilbao, Spain
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3
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Vo Y, Nothling MD, Raveendran R, Cao C, Stenzel MH. Effects of Drug Conjugation on the Biological Activity of Single-Chain Nanoparticles. Biomacromolecules 2024; 25:675-689. [PMID: 38266160 DOI: 10.1021/acs.biomac.3c00862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
The field of single-chain nanoparticles (SCNPs) continues to mature, and an increasing range of reports have emerged that explore the application of these small nanoparticles. A key application for SCNPs is in the field of drug delivery, and recent work suggests that SCNPs can be readily internalized by cells. However, limited attention has been directed to the delivery of small-molecule drugs using SCNPs. Moreover, studies on the physicochemical effects of drug loading on SCNP performance is so far missing, despite the accepted view that such small nanoparticles should be significantly affected by the drug loading content. To address this gap, we prepared a library of SCNPs bearing different amounts of a covalently conjugated therapeutic drug-sulfasalazine (SSZ). We evaluated the impact of the conjugated drug loading on both the synthesis and biological activity of SCNPs on pancreatic cancer cells (AsPC-1). Our results reveal that covalent drug conjugation to the side chains of the SCNP polymer precursor interferes with chain collapse and cross-linking, which demands optimization of reaction conditions to reach high degrees of cross-linking efficiencies. Small-angle neutron scattering and diffusion-ordered spectroscopy nuclear magnetic resonance (DOSY NMR) analyses reveal that SCNPs with a higher drug loading display larger sizes and looser structures, as well as increased hydrophobicity associated with a higher SSZ content. Increased SSZ loading led to reduced cellular uptake when assessed in vitro, whereby SCNP aggregation on the surface of AsPC-1 cells led to reduced toxicity. This work highlights the effects of drug loading on the drug delivery efficiency and biological behavior of SCNPs.
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Affiliation(s)
- Yen Vo
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Mitchell D Nothling
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Radhika Raveendran
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Cheng Cao
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
| | - Martina H Stenzel
- School of Chemistry, University of New South Wales, Sydney 2052, New South Wales, Australia
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4
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Thümmler JF, Roos AH, Krüger J, Hinderberger D, Schmitt FJ, Tang G, Golmohamadi FG, Laufer J, Binder WH. Tuning the Internal Compartmentation of Single-Chain Nanoparticles as Fluorescent Contrast Agents. Macromol Rapid Commun 2023; 44:e2200618. [PMID: 35973086 DOI: 10.1002/marc.202200618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/05/2022] [Indexed: 01/26/2023]
Abstract
Controlling the internal structures of single-chain nanoparticles (SCNPs) is an important factor for their targeted chemical design and synthesis, especially in view of nanosized compartments presenting different local environments as a main feature to control functionality. We here design SCNPs bearing near-infrared fluorescent dyes embedded in hydrophobic compartments for use as contrast agents in pump-probe photoacoustic (PA) imaging, displaying improved properties by the location of the dye in the hydrophobic particle core. Compartment formation is controlled via single-chain collapse and subsequent crosslinking of an amphiphilic polymer using external crosslinkers in reaction media of adjustable polarity. Different SCNPs with hydrodynamic diameters of 6-12 nm bearing adjustable label densities are synthesized. It is found that the specific conditions for single-chain collapse have a major impact on the formation of the desired core-shell structure, in turn adjusting the internal nanocompartments together with the formation of excitonic dye couples, which in turn increase their fluorescence lifetime and PA signal generation. SCNPs with the dye molecules accumulate at the core also show a nonlinear PA response as a function of pulse energy-a property that can be exploited as a contrast mechanism in molecular PA tomography.
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Affiliation(s)
- Justus F Thümmler
- Macromolecular Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, D-06120, Halle, Germany
| | - Andreas H Roos
- Physical Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, D-06120, Halle, Germany
| | - Jana Krüger
- Physical Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, D-06120, Halle, Germany
| | - Dariush Hinderberger
- Physical Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, D-06120, Halle, Germany
| | - Franz-Josef Schmitt
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120, Halle, Germany
| | - Guo Tang
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120, Halle, Germany
| | - Farzin Ghane Golmohamadi
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120, Halle, Germany
| | - Jan Laufer
- Institute of Physics, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 3, D-06120, Halle, Germany
| | - Wolfgang H Binder
- Macromolecular Chemistry, Institute of Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, D-06120, Halle, Germany
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5
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van der Tol JB, Vantomme G, Palmans ARA, Meijer EW. Controlling the Processability and Stability of Supramolecular Polymers Using the Interplay of Intra- and Intermolecular Interactions. Macromolecules 2022; 55:6820-6829. [PMID: 35966115 PMCID: PMC9367003 DOI: 10.1021/acs.macromol.2c00976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/12/2022] [Indexed: 11/29/2022]
Abstract
Polymer networks crosslinked via non-covalent interactions afford interesting materials for a wide range of applications due to their self-healing capability, recyclability, and tunable material properties. However, when strong non-covalent binding motifs in combination with high crosslink density are used, processing of the materials becomes troublesome because of high viscosities and the formation of insoluble gels. Here, we present an approach to control the processability of grafted polymers containing strong non-covalent interactions by balancing the interplay of intra- and intermolecular hydrogen bonding. A library of copolymers with different degrees of polymerization and content of protected ureido-pyrimidinone-urea (UPy-urea) grafts was prepared. Photo-deprotection in a good solvent like tetrahydrofuran (THF) at low concentrations (≤1 mg mL-1) created intramolecularly assembled nanoparticles. Remarkably, the intrinsic viscosity of these nanoparticle solutions was an order of magnitude lower compared to solutions of the intermolecularly assembled analogues, highlighting the crucial role of intra- versus intermolecular interactions. Due to the strong hydrogen bonds between UPy dimers, the intramolecularly assembled structures were kinetically trapped. As a result, the polymer nanoparticles were readily processed into a bulk material, without causing major changes in the morphology as verified by atomic force microscopy. Subsequent intermolecular crosslinking of the nanoparticle film, by heating to temperatures where the hydrogen-bond exchange becomes fast, resulted in a crosslinked network. The reversibility of the hereby obtained polymer networks was shown by retrieving the intramolecularly assembled nanoparticles via redissolution and sonication of the intermolecularly crosslinked film in THF with a small amount of acid. Our results highlight that the stability and processability of highly supramolecularly crosslinked polymers can be controlled both in solution and in bulk by using the interplay of intra- and intermolecular non-covalent interactions in grafted polymers.
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Affiliation(s)
- Joost
J. B. van der Tol
- Institute for Complex Molecular
Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ghislaine Vantomme
- Institute for Complex Molecular
Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute for Complex Molecular
Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E. W. Meijer
- Institute for Complex Molecular
Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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6
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Samanta S, Mallick D, Roy RK. Folding of aromatic polyamides into a rare intrachain β-sheet type structure and further reinforcement of the secondary structure through host–guest interactions. Polym Chem 2022. [DOI: 10.1039/d2py00202g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the design, synthesis, and folding of aromatic polyamides into an intrachain β-sheet-like structure. Additionally, the effect of a guest molecule in stabilizing the β-sheet structure has also been demonstrated here.
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Affiliation(s)
- Subhendu Samanta
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali (IISER Mohali), Sector 81, SAS Nagar, Manauli, (PO) 140 306, Punjab, India
| | - Dibyendu Mallick
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata – 700073, West Bengal, India
| | - Raj Kumar Roy
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali (IISER Mohali), Sector 81, SAS Nagar, Manauli, (PO) 140 306, Punjab, India
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7
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Liao S, Wei L, Abriata LA, Stellacci F. Control and Characterization of the Compactness of Single-Chain Nanoparticles. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c02071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Suiyang Liao
- Institute of Materials, École Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
| | - Lixia Wei
- Institute of Materials, École Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
| | - Luciano A. Abriata
- Protein Production and Structure Core Facility, School of Life Sciences, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
| | - Francesco Stellacci
- Institute of Materials, École Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
- Interfaculty Bioengineering Institute, École Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
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8
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Nishimura T, Fujii S, Sakurai K, Sasaki Y, Akiyoshi K. Manipulating the Morphology of Amphiphilic Graft-Copolymer Assemblies by Adjusting the Flexibility of the Main Chain. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Tomoki Nishimura
- Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, 3-15-1, Tokida, Ueda, Nagano 386-8567, Japan
| | - Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1, Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1, Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Yoshihiro Sasaki
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kazunari Akiyoshi
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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9
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Wang C, Weck M. Intramolecular Folding of Coil-Helix Block Copolymers Induced by Quadrupole Interactions. Macromol Rapid Commun 2021; 42:e2100368. [PMID: 34242455 DOI: 10.1002/marc.202100368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 06/30/2021] [Indexed: 11/12/2022]
Abstract
True tertiary architectures with defined local secondary structures are rare in synthetic systems. Adapting well-developed synthetic building blocks and controlling their folding through diverse interactions can be a general approach toward this goal. In this contribution, the synthesis of 3D hierarchical assemblies with distinct secondary domains formed through the intramolecular folding of a block copolymer containing a coil-like poly(styrene) (PS) block with a helical poly(isocyanide) block induced by phenyl-pentafluorophenyl quadrupole interactions is reported. The PS block is prepared via atom-transfer radical polymerization and end functionalized with a nickel complex that serves as a macroinitiator for the polymerization of chiral isocyanides bearing pentafluorophenyl pendants. The folding behavior of the coil-helix block copolymers is investigated by dynamic light scattering, NMR spectroscopy, wide-angle X-ray scattering, and differential scanning calorimetry.
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Affiliation(s)
- Chengyuan Wang
- Molecular Design Institute and Department of Chemistry, New York University, New York, NY, 10003, USA
| | - Marcus Weck
- Molecular Design Institute and Department of Chemistry, New York University, New York, NY, 10003, USA
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10
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Brás A, Arizaga A, Agirre U, Dorau M, Houston J, Radulescu A, Kruteva M, Pyckhout-Hintzen W, Schmidt AM. Chain-End Effects on Supramolecular Poly(ethylene glycol) Polymers. Polymers (Basel) 2021; 13:2235. [PMID: 34300992 PMCID: PMC8309292 DOI: 10.3390/polym13142235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 06/30/2021] [Accepted: 06/30/2021] [Indexed: 11/25/2022] Open
Abstract
In this work we present a fundamental analysis based on small-angle scattering, linear rheology and differential scanning calorimetry (DSC) experiments of the role of different hydrogen bonding (H-bonding) types on the structure and dynamics of chain-end modified poly(ethylene glycol) (PEG) in bulk. As such bifunctional PEG with a molar mass below the entanglement mass Me is symmetrically end-functionalized with three different hydrogen bonding (H-bonding) groups: thymine-1-acetic acid (thy), diamino-triazine (dat) and 2-ureido-4[1H]-pyrimidinone (upy). A linear block copolymer structure and a Newtonian-like dynamics is observed for PEG-thy/dat while results for PEG-upy structure and dynamics reveal a sphere and a network-like behavior, respectively. These observations are concomitant with an increase of the Flory-Huggins interaction parameter from PEG-thy/dat to PEG-upy that is used to quantify the difference between the H-bonding types. The upy association into spherical clusters is established by the Percus-Yevick approximation that models the inter-particle structure factor for PEG-upy. Moreover, the viscosity study reveals for PEG-upy a shear thickening behavior interpreted in terms of the free path model and related to the time for PEG-upy to dissociate from the upy clusters, seen as virtual crosslinks of the formed network. Moreover, a second relaxation time of different nature is also obtained from the complex shear modulus measurements of PEG-upy by the inverse of the angular frequency where G' and G'' crosses from the network-like to glass-like transition relaxation time, which is related to the segmental friction of PEG-upy polymeric network strands. In fact, not only do PEG-thy/dat and PEG-upy have different viscoelastic properties, but the relaxation times found for PEG-upy are much slower than the ones for PEG-thy/dat. However, the activation energy related to the association dynamics is very similar for both PEG-thy/dat and PEG-upy. Concerning the segmental dynamics, the glass transition temperature obtained from both rheological and calorimetric analysis is similar and increases for PEG-upy while for PEG-thy/dat is almost independent of association behavior. Our results show how supramolecular PEG properties vary by modifying the H-bonding association type and changing the molecular Flory-Huggins interaction parameter, which can be further explored for possible applications.
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Affiliation(s)
- Ana Brás
- Institute of Physical Chemistry, University of Cologne, 50939 Cologne, Germany; (A.A.); (U.A.); (M.D.); (A.M.S.)
| | - Ana Arizaga
- Institute of Physical Chemistry, University of Cologne, 50939 Cologne, Germany; (A.A.); (U.A.); (M.D.); (A.M.S.)
| | - Uxue Agirre
- Institute of Physical Chemistry, University of Cologne, 50939 Cologne, Germany; (A.A.); (U.A.); (M.D.); (A.M.S.)
| | - Marie Dorau
- Institute of Physical Chemistry, University of Cologne, 50939 Cologne, Germany; (A.A.); (U.A.); (M.D.); (A.M.S.)
| | - Judith Houston
- Jülich Centre for Neutron Science (JCNS-1) at Heinz Maier Leibnitz-Zentrum (MLZ), Forschungszentrum Jülich GmbH, 85748 Garching, Germany; (J.H.); (A.R.)
| | - Aurel Radulescu
- Jülich Centre for Neutron Science (JCNS-1) at Heinz Maier Leibnitz-Zentrum (MLZ), Forschungszentrum Jülich GmbH, 85748 Garching, Germany; (J.H.); (A.R.)
| | - Margarita Kruteva
- Jülich Centre for Neutron Science (JCNS-1), Forschungszentrum Jülich GmbH, 52428 Jülich, Germany; (M.K.); (W.P.-H.)
| | - Wim Pyckhout-Hintzen
- Jülich Centre for Neutron Science (JCNS-1), Forschungszentrum Jülich GmbH, 52428 Jülich, Germany; (M.K.); (W.P.-H.)
| | - Annette M. Schmidt
- Institute of Physical Chemistry, University of Cologne, 50939 Cologne, Germany; (A.A.); (U.A.); (M.D.); (A.M.S.)
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11
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Alqarni MAM, Waldron C, Yilmaz G, Becer CR. Synthetic Routes to Single Chain Polymer Nanoparticles (SCNPs): Current Status and Perspectives. Macromol Rapid Commun 2021; 42:e2100035. [DOI: 10.1002/marc.202100035] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/07/2021] [Indexed: 12/26/2022]
Affiliation(s)
| | | | - Gokhan Yilmaz
- Department of Chemistry University of Warwick Coventry CV4 7AL UK
| | - C. Remzi Becer
- Department of Chemistry University of Warwick Coventry CV4 7AL UK
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12
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Barbee MH, Wright ZM, Allen BP, Taylor HF, Patteson EF, Knight AS. Protein-Mimetic Self-Assembly with Synthetic Macromolecules. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02826] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Meredith H. Barbee
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Zoe M. Wright
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Benjamin P. Allen
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Hailey F. Taylor
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Emily F. Patteson
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Abigail S. Knight
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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13
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Meena CL, Singh D, Kizhakeetil B, Prasad M, George M, Tothadi S, Sanjayan GJ. Triazine-Based Janus G-C Nucleobase as a Building Block for Self-Assembly, Peptide Nucleic Acids, and Smart Polymers. J Org Chem 2021; 86:3186-3195. [PMID: 33523657 DOI: 10.1021/acs.joc.0c02530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This communication reports on the utility of a triazine-based self-assembling system, reminiscent of a Janus G-C nucleobase, as a building block for developing (1) supramolecular polymers, (2) peptide nucleic acids (PNAs), and (3) smart polymers. The strategically positioned self-complementary triple H-bonding arrays DDA and AAD facilitate efficient self-assembly, leading to a linear supramolecular polymer.
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Affiliation(s)
- Chhuttan L Meena
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Dharmendra Singh
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Bhavya Kizhakeetil
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Manasa Prasad
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Malini George
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Srinu Tothadi
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Gangadhar J Sanjayan
- Organic Chemistry Division, Council of Scientific and Industrial Research National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
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14
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Joseph JP, Miglani C, Bhatt A, Ray D, Singh A, Gupta D, Ali ME, Aswal VK, Pal A. Delineating synchronized control of dynamic covalent and non-covalent interactions for polymer chain collapse towards cargo localization and delivery. Polym Chem 2021. [DOI: 10.1039/d0py01551b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Synergistic control of photo-responsive dynamic covalent and non-covalent interaction over the chain collapse of single chain thermo-responsive polymers towards cargo localization and augmented release.
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Affiliation(s)
- Jojo P. Joseph
- Chemical Biology Unit
- Institute of Nano Science and Technology
- Mohali
- India
| | - Chirag Miglani
- Chemical Biology Unit
- Institute of Nano Science and Technology
- Mohali
- India
| | - Aashish Bhatt
- Quantum Materials and Devices
- Institute of Nano Science and Technology
- Mohali
- India
| | - Debes Ray
- Solid State Physics Division
- BARC
- Mumbai – 400085
- India
| | - Ashmeet Singh
- Chemical Biology Unit
- Institute of Nano Science and Technology
- Mohali
- India
| | - Deepika Gupta
- Chemical Biology Unit
- Institute of Nano Science and Technology
- Mohali
- India
| | - Md. Ehesan Ali
- Quantum Materials and Devices
- Institute of Nano Science and Technology
- Mohali
- India
| | | | - Asish Pal
- Chemical Biology Unit
- Institute of Nano Science and Technology
- Mohali
- India
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15
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Collot M, Schild J, Fam KT, Bouchaala R, Klymchenko AS. Stealth and Bright Monomolecular Fluorescent Organic Nanoparticles Based on Folded Amphiphilic Polymer. ACS NANO 2020; 14:13924-13937. [PMID: 33022173 DOI: 10.1021/acsnano.0c06348] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Fluorescent nanoparticles (NPs), owing to their superior brightness, are an attractive alternative to organic dyes. However, their cellular applications remain limited because of their large size, poor homogeneity, and nonspecific interactions in biological media. Herein, we propose a concept of monomolecular fluorescent organic nanoparticles of high brightness and very small size (10-14 nm) built of a single amphiphilic polymer bearing specially designed fluorescent dyes. We found that high PEGylation of poly(maleic anhydride-alt-1-octadecene (PMAO) favors a single-chain polymer folding into monomolecular stealth NPs with highly reduced nonspecific interactions with proteins and live cells. To ensure high stability of our NPs, the fluorophores (BODIPYs) are covalently linked to the polymer through an optimized linker. Among tested linkers of different lengths and polarity, a short medium-polar linker favoring location of the dyes at NPs interface ensures good fluorescence quantum yield and small particle size. The fluorescence brightness of these NPs has been dramatically enhanced by increasing the bulkiness of the BODIPY dyes that prevents their H-aggregation, reaching 2500000 M-1 cm-1 (extinction coefficient × quantum yield). Fluorescence microscopy revealed that the single-particle brightness of these NPs is ∼5-fold higher than that of QDot-585 using the same excitation wavelength (532 nm). Finally, when microinjected inside cells, these small and stealth NPs (10 nm diameter) distribute more evenly than 20 nm QDots inside the cytosol, showing similar spreading as a fluorescent protein. Thus, the developed monomolecular NPs, owing to their small size and stealth properties, are artificial analogues of fluorescent proteins, surpassing the latter >50-fold in terms of brightness.
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Affiliation(s)
- Mayeul Collot
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401 Illkirch, France
| | - Jérémy Schild
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401 Illkirch, France
| | - Kyong T Fam
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401 Illkirch, France
| | - Redouane Bouchaala
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401 Illkirch, France
| | - Andrey S Klymchenko
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401 Illkirch, France
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16
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Mauceri A, Giansanti L, Capitani D, Sobolev A, Galantini L, Bassetti M, Nemi MG, Gradella Villalva D, Battista S, Mancini G. Cationic Amphiphiles Bearing a Diacetylenic Function in the Headgroup: Aggregative Properties and Polymerization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:12168-12178. [PMID: 32970443 DOI: 10.1021/acs.langmuir.0c01735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In the wide panorama of diacetylenic lipids, the photoresponsive conjugated 1,3-diyne function is usually encased into the hydrocarbon chain of the amphiphile at a variable distance from the headgroup. Therefore, the polydiacetylene network obtained by polymerization upon UV irradiation of the corresponding liposomes, exploited as sensing function, is embedded in the hydrophobic region of liposomes. Structurally related cationic diacetylenic amphiphiles featuring the conjugated triple bonds proximate to charged nitrogen were synthesized and evaluated in their ability to polymerize under aggregative conditions. The occurrence of polymerization only in certain aggregating conditions was rationalized by nuclear magnetic resonance (NMR) and Langmuir trough experiments.
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Affiliation(s)
- Alessandro Mauceri
- Dipartimento di Chimica, Università di Roma "Sapienza", P.le A. Moro 5, 00185 Roma, Italy
- CNR-Istituto per i Sistemi Biologici, Via Salaria km 29.300, 00016 Monterotondo Scalo, RM, Italy
| | - Luisa Giansanti
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, Via Vetoio 10, 67010 Coppito, Italy
| | - Donatella Capitani
- CNR-Istituto per i Sistemi Biologici, Via Salaria km 29.300, 00016 Monterotondo Scalo, RM, Italy
| | - Anatoly Sobolev
- CNR-Istituto per i Sistemi Biologici, Via Salaria km 29.300, 00016 Monterotondo Scalo, RM, Italy
| | - Luciano Galantini
- Dipartimento di Chimica, Università di Roma "Sapienza", P.le A. Moro 5, 00185 Roma, Italy
| | - Mauro Bassetti
- CNR, Istituto per i Sistemi Biologici c/o Dipartimento di Chimica, Università di Roma "Sapienza", P.le A. Moro 5, 00185 Roma, Italy
| | - Maria Grazia Nemi
- CNR, Istituto per i Sistemi Biologici c/o Dipartimento di Chimica, Università di Roma "Sapienza", P.le A. Moro 5, 00185 Roma, Italy
| | - Denise Gradella Villalva
- Dipartimento di Chimica, Università di Roma "Sapienza", P.le A. Moro 5, 00185 Roma, Italy
- CNR-Istituto per i Sistemi Biologici, Via Salaria km 29.300, 00016 Monterotondo Scalo, RM, Italy
| | - Sara Battista
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila, Via Vetoio 10, 67010 Coppito, Italy
| | - Giovanna Mancini
- CNR-Istituto per i Sistemi Biologici, Via Salaria km 29.300, 00016 Monterotondo Scalo, RM, Italy
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17
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Liu L, Gellman SH. Harnessing Noncovalent Interactions to Drive Single-Chain Nanoparticle Formation. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lei Liu
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Samuel H. Gellman
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
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18
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Joseph JP, Miglani C, Singh A, Gupta D, Pal A. Photoresponsive chain collapse in a flexo-rigid functional copolymer to modulate the self-healing behaviour. SOFT MATTER 2020; 16:2506-2515. [PMID: 32090231 DOI: 10.1039/d0sm00033g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Synthetic systems mimicking the natural self-folding process are attractive to impart multiple structural control over polymer crosslinking and the subsequent alteration of their macroscopic self-healing properties. In that regard, polymers P1-P5 containing pendant photo-crosslinkable moieties were designed and underwent intra- or interchain collapse to form diverse nanostructures. The shape and dimension of the nanostructures could be efficiently controlled by the concentration, solvent compatibility and characteristics of the polymers. Photodimerization of the coumarin moieties transformed the extended coiled chain of the polymer to uniform sized nanoparticles in a dilute condition, while in the crowded macromolecular concentration regime, the polymer folded into nanostructures with polydisperse topologies that were far from a condensed globule or partially swollen globule conformation. Scaling law exponents for polymer chain compaction suggested an interchain collapse with rigid compact segments connected by flexible polymer chains that draws an analogy with elastomers. Such a hardening of the rigid segment as a consequence of photodimerization rendered a significant increase in the glass transition temperature (Tg), which could be reversibly controlled upon decrosslinking. Lastly, the structural variation of this class of polymers over self-healing was explored and the crosslinked polymers showed phototriggered non-autonomic and intrinsic self-healing behaviour under ambient conditions. This is an interesting approach to access a photomodulated self-healing system with low Tg polymers that shows the coexistence of autonomic and nonautonomic self-healing pathways and that may find application in designing smart coatings for photovoltaic devices.
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Affiliation(s)
- Jojo P Joseph
- Institute of Nano Science and Technology, Phase 10, Sector 64, Mohali, Punjab-160062, India.
| | - Chirag Miglani
- Institute of Nano Science and Technology, Phase 10, Sector 64, Mohali, Punjab-160062, India.
| | - Ashmeet Singh
- Institute of Nano Science and Technology, Phase 10, Sector 64, Mohali, Punjab-160062, India.
| | - Deepika Gupta
- Institute of Nano Science and Technology, Phase 10, Sector 64, Mohali, Punjab-160062, India.
| | - Asish Pal
- Institute of Nano Science and Technology, Phase 10, Sector 64, Mohali, Punjab-160062, India.
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19
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Shin I, Seo M. Viscosifying a Noncovalently Joined Polymer Nanoparticle Solution upon Heating. Macromolecules 2020. [DOI: 10.1021/acs.macromol.9b02543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Isaac Shin
- Graduate School of Nanoscience and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Myungeun Seo
- Graduate School of Nanoscience and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Department of Chemistry, KAIST, Daejeon 34141, Korea
- KAIST Institute for the Nanocentury, KAIST, Daejeon 34141, Korea
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20
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Engelke J, Tuten BT, Schweins R, Komber H, Barner L, Plüschke L, Barner-Kowollik C, Lederer A. An in-depth analysis approach enabling precision single chain nanoparticle design. Polym Chem 2020. [DOI: 10.1039/d0py01045f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of single chain nanoparticles (SCNPs) is a vibrant field in macromolecular science. However, to achieve an in-depth understanding of the nature of intramolecular polymer folding, a step-change in the methodologies for SCNP analysis is required.
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Affiliation(s)
- Johanna Engelke
- School of Chemistry and Physics
- Queensland University of Technology (QUT)
- Brisbane
- Australia
- Leibniz-Institut für Polymerforschung Dresden
| | - Bryan T. Tuten
- School of Chemistry and Physics
- Queensland University of Technology (QUT)
- Brisbane
- Australia
- Centre for Materials Science
| | - Ralf Schweins
- Institut Laue-Langevin
- DS/LSS
- CS 20 156
- 38042 Grenoble CEDEX 9
- France
| | - Hartmut Komber
- Leibniz-Institut für Polymerforschung Dresden
- 01069 Dresden
- Germany
| | - Leonie Barner
- School of Chemistry and Physics
- Queensland University of Technology (QUT)
- Brisbane
- Australia
- Centre for Materials Science
| | - Laura Plüschke
- Leibniz-Institut für Polymerforschung Dresden
- 01069 Dresden
- Germany
- School of Science
- Technische Universität Dresden
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics
- Queensland University of Technology (QUT)
- Brisbane
- Australia
- Centre for Materials Science
| | - Albena Lederer
- Leibniz-Institut für Polymerforschung Dresden
- 01069 Dresden
- Germany
- School of Science
- Technische Universität Dresden
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21
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Liu B, Tang Z, Wang Z, Zhang L, Guo B. Integrating transient and sacrificial bonds into biobased elastomers toward mechanical property enhancement and macroscopically responsive property. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121914] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Upadhya R, Murthy NS, Hoop CL, Kosuri S, Nanda V, Kohn J, Baum J, Gormley AJ. PET-RAFT and SAXS: High Throughput Tools to Study Compactness and Flexibility of Single-Chain Polymer Nanoparticles. Macromolecules 2019; 52:8295-8304. [PMID: 33814613 PMCID: PMC8018520 DOI: 10.1021/acs.macromol.9b01923] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
From protein science, it is well understood that ordered folding and 3D structure mainly arises from balanced and noncovalent polar and nonpolar interactions, such as hydrogen bonding. Similarly, it is understood that single-chain polymer nanoparticles (SCNPs) will also compact and become more rigid with greater hydrophobicity and intrachain hydrogen bonding. Here, we couple high throughput photoinduced electron/energy transfer reversible addition-fragmentation chain-transfer (PET-RAFT) polymerization with high throughput small-angle X-ray scattering (SAXS) to characterize a large combinatorial library (>450) of several homopolymers, random heteropolymers, block copolymers, PEG-conjugated polymers, and other polymer-functionalized polymers. Coupling these two high throughput tools enables us to study the major influence(s) for compactness and flexibility in higher breadth than ever before possible. Not surprisingly, we found that many were either highly disordered in solution, in the case of a highly hydrophilic polymer, or insoluble if too hydrophobic. Remarkably, we also found a small group (9/457) of PEG-functionalized random heteropolymers and block copolymers that exhibited compactness and flexibility similar to that of bovine serum albumin (BSA) by dynamic light scattering (DLS), NMR, and SAXS. In general, we found that describing a rough association between compactness and flexibility parameters (R g /R h and Porod Exponent, respectively) with logP, a quantity that describes hydrophobicity, helps to demonstrate and predict material parameters that lead to SCNPs with greater compactness, rigidity, and stability. Future implementation of this combinatorial and high throughput approach for characterizing SCNPs will allow for the creation of detailed design parameters for well-defined macromolecular chemistry.
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Affiliation(s)
- Rahul Upadhya
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - N. Sanjeeva Murthy
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Cody L. Hoop
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Shashank Kosuri
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Vikas Nanda
- Center for Advanced Biotechnology and Medicine, and the Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Jean Baum
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Adam J. Gormley
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
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23
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Austin MJ, Rosales AM. Tunable biomaterials from synthetic, sequence-controlled polymers. Biomater Sci 2019; 7:490-505. [PMID: 30628589 DOI: 10.1039/c8bm01215f] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Polymeric biomaterials have many applications including therapeutic delivery vehicles, medical implants and devices, and tissue engineering scaffolds. Both naturally-derived and synthetic materials have successfully been used for these applications in the clinic. However, the increasing complexity of these applications requires materials with advanced properties, especially customizable or tunable materials with bioactivity. To address this issue, there have been recent efforts to better recapitulate the properties of natural materials using synthetic biomaterials composed of sequence-controlled polymers. Sequence control mimics the primary structure found in biopolymers, and in many cases, provides an extra handle for functionality in synthetic polymers. Here, we first review the advances in synthetic methods that have enabled sequence-controlled biomaterials on a relevant scale, and discuss strategies for choosing functional sequences from a biomaterials engineering context. Then, we highlight several recent studies that show strong impact of sequence control on biomaterial properties, including in vitro and in vivo behavior, in the areas of hydrogels, therapeutic materials, and novel applications such as molecular barcodes for medical devices. The role of sequence control in biomaterials properties is an emerging research area, and there remain many opportunities for investigation. Further study of this topic may significantly advance our understanding of bioactive or smart materials, as well as contribute design rules to guide the development of synthetic biomaterials for future applications in tissue engineering and regenerative medicine.
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Affiliation(s)
- Mariah J Austin
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX 78712, USA.
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24
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Abstract
Nature has unparalleled control over the conformation and dynamics of its folded macromolecular structures. Nature’s ability to arrange amino acids into a precise spatial organization by way of folding allows proteins to fulfill specific functions in an extremely efficient manner. Chemists and materials scientists have used the delicate structure–function relationships observed in proteins to elucidate nature’s design principles. These insights have led to the development of various revolutionary macromolecular architectures, mimicking the structural features of proteins. In this review, we focus on the folding of single polymer chains into well-defined nanoparticles using supramolecular interactions and their possible use as enzyme mimics.
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25
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Nitsche T, Steinkoenig J, De Bruycker K, Bloesser FR, Blanksby SJ, Blinco JP, Barner-Kowollik C. Mapping the Compaction of Discrete Polymer Chains by Size Exclusion Chromatography Coupled to High-Resolution Mass Spectrometry. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00203] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Jan Steinkoenig
- Department of Organic and Macromolecular Chemistry, Polymer Chemistry Research Group, Center of Macromolecular Chemistry (CMaC), Ghent University, Krijgslaan 281 S4bis, 9000 Ghent, Belgium
| | | | | | | | | | - Christopher Barner-Kowollik
- Macromolecular Architectures, Institut für Technische Chemie und Polymerchemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 18, 76131 Karlsruhe, Germany
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26
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Frisch H, Bloesser FR, Barner‐Kowollik C. Controlling Chain Coupling and Single‐Chain Ligation by Two Colours of Visible Light. Angew Chem Int Ed Engl 2019; 58:3604-3609. [DOI: 10.1002/anie.201811541] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Hendrik Frisch
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australia
| | - Fabian R. Bloesser
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australia
| | - Christopher Barner‐Kowollik
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australia
- Macromolecular Architectures Institut für Technische Chemie und Polymerchemie Karlsruhe Institute of Technology (KIT) Engesserstr. 18 76131 Karlsruhe Germany
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27
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Frisch H, Bloesser FR, Barner‐Kowollik C. Kontrolle über Kettenvernetzung und Einzelkettenverknüpfung durch zwei Farben des sichtbaren Lichts. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811541] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Hendrik Frisch
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australien
| | - Fabian R. Bloesser
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australien
| | - Christopher Barner‐Kowollik
- School of Chemistry, Physics and Mechanical Engineering Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australien
- Macromolecular Architectures Institut für Technische Chemie und Polymerchemie Karlsruhe Institute of Technology (KIT) Engesserstraße 18 76131 Karlsruhe Deutschland
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28
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Gahtory D, Sen R, Smulders MMJ, Zuilhof H. Surface-bound quadruple H-bonded dimers: formation and exchange kinetics. Faraday Discuss 2019; 204:383-394. [PMID: 28776617 DOI: 10.1039/c7fd00068e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
While the mechanistic details of the dimerization of the self-complementary 2-ureido-4(1H)-pyrimidinone (UPy) motif are well studied in solution, no such investigation is available on a surface. Here we report an extensive study of hydrogen binding kinetics for quadruply H-bonded UPy arrays on aluminum surfaces and explore the ON/OFF capability of such arrays under externally controllable conditions. Also, we investigate the dynamic nature of this system whereby the interfacially H-bonded UPy is displaced by another UPy derivative in solution, and reveal the kinetics of the exchange process.
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Affiliation(s)
- Digvijay Gahtory
- Laboratory of Organic Chemistry, Wageningen University and Research, Stippeneng 4, 6708 WE Wageningen, The Netherlands.
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29
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Zhao L, Wang X, Sun L, Zhou R, Zhang X, Zhang L, Zheng Z, Ling Y, Luan S, Tang H. Synthesis and UCST-type thermoresponsive properties of polypeptide based single-chain nanoparticles. Polym Chem 2019. [DOI: 10.1039/c9py01040h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We present the synthesis and UCST-type thermoresponsive properties of helical polypeptide based single-chain nanoparticles which displayed increased solution phase transition temperature and improved biocompatibility.
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30
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Engelke J, Brandt J, Barner-Kowollik C, Lederer A. Strengths and limitations of size exclusion chromatography for investigating single chain folding – current status and future perspectives. Polym Chem 2019. [DOI: 10.1039/c9py00336c] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Synthetic approaches for Single-Chain Nanoparticles (SCNPs) developed rapidly during the last decade, opening a multitude of avenues for the design of functional macromolecular chains able to collapse into defined nanoparticles. However, the analytical evaluation of the SCNP formation process still requires critical improvements.
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Affiliation(s)
- Johanna Engelke
- Polymer Separation Group
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
- Technische Universität Dresden
| | - Josef Brandt
- Polymer Separation Group
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
| | - Christopher Barner-Kowollik
- School of Chemistry
- Physics and Mechanical Engineering
- Queensland University of Technology (QUT)
- Brisbane
- Australia
| | - Albena Lederer
- Polymer Separation Group
- Leibniz-Institut für Polymerforschung Dresden e.V
- 01069 Dresden
- Germany
- Technische Universität Dresden
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31
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Elacqua E, Geberth GT, Vanden Bout DA, Weck M. Synthesis and folding behaviour of poly( p-phenylene vinylene)-based β-sheet polychromophores. Chem Sci 2018; 10:2144-2152. [PMID: 30881638 PMCID: PMC6385485 DOI: 10.1039/c8sc05111a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 12/10/2018] [Indexed: 11/29/2022] Open
Abstract
This contribution describes the design and synthesis of β-sheet-mimicking synthetic polymers comprising distinct poly(p-phenylene vinylene) (PPV) and poly(norbornene) (PNB) backbones with multiple turns.
This contribution describes the design and synthesis of β-sheet-mimicking synthetic polymers comprising distinct poly(p-phenylene vinylene) (PPV) and poly(norbornene) (PNB) backbones with multiple turns. The rod–coil–coil–rod tetrablock copolymers, synthesized using ring-opening metathesis polymerization (ROMP) and featuring orthogonal face-to-face π–π stacking and phenyl/perfluorophenyl interactions, show persistent folding both in bulk and at the single molecule level, irrespective of the number of β-turns. Single molecule polarization studies reveal that the copolymers are more anisotropic than the corresponding homopolymers. Examination of the spectral signatures of the single molecules shows a dominant emissive chromophore in the linked materials compared to the homopolymer. The lack of significant spectral changes of the folded materials along with the existence of a dominant emission spectrum supports the proposed structure of well-aligned, minimally-interacting chromophores. Utilization of this reliably folding, phenyl/perfluorophenyl functionality could provide an extremely useful tool in future functional materials design.
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Affiliation(s)
- Elizabeth Elacqua
- Molecular Design Institute , Department of Chemistry , New York University , New York , NY 10003 , USA . .,Department of Chemistry , The Pennsylvania State University , University Park , PA 16802 , USA
| | - Geoffrey T Geberth
- Department of Chemistry , University of Texas at Austin , Austin , TX 78712 , USA .
| | - David A Vanden Bout
- Department of Chemistry , University of Texas at Austin , Austin , TX 78712 , USA .
| | - Marcus Weck
- Molecular Design Institute , Department of Chemistry , New York University , New York , NY 10003 , USA .
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ter Huurne GM, Voets IK, Palmans ARA, Meijer EW. Effect of Intra- versus Intermolecular Cross-Linking on the Supramolecular Folding of a Polymer Chain. Macromolecules 2018; 51:8853-8861. [PMID: 30449902 PMCID: PMC6236471 DOI: 10.1021/acs.macromol.8b01623] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/28/2018] [Indexed: 01/06/2023]
Abstract
Anfinsen's famous experiment showed that the restoration of catalytic activity of a completely unfolded ribonuclease A is only possible when the correct order of events is followed during the refolding process. Inspired by this work, the effect of structural constraints induced by covalent cross-links on the folding of a synthetic polymer chain via hydrogen-bonding interactions is investigated. Hereto, methacrylate-based monomers comprising either benzene-1,3,5-tricarboxamide (BTA)-based or coumarin-based pendants are copolymerized with n-butyl methacrylate in various ratios via reversible addition-fragmentation chain-transfer (RAFT) polymerization. To assess whether the folding and single-chain polymeric nanoparticle (SCPN) formation depend on the order of events, we compare two folding pathways. In the one case, we first covalently cross-link the coumarin pendants within the polymers in a solvent that prevents hydrogen bonding, after which hydrogen bonding is activated, inducing folding of the polymer. In the other case, we induce hydrogen-bonding interactions between tethered BTAs prior to covalent cross-linking of the coumarin pendants. A combination of circular dichroism (CD) spectroscopy, UV-vis spectroscopy, size-exclusion chromatography (SEC), and dynamic light scattering (DLS) is employed to understand the effect of the structural constraints on the folding behavior of these synthetic polymers. The results show that like in ribonuclease A, the order of events matters greatly and determines the outcome. Importantly, a hydrogen-bond-promoting solvent prevents the formation of SCPNs upon covalent cross-linking and results in multichain aggregates. In contrast, covalently cross-linking the polymer when no hydrogen bonds are present followed by inducing hydrogen bonding favors the formation of SCPNs above the UCST of the methacrylate-based polymer. To our surprise, the two systems show a fundamentally different response to changes in temperature, indicating that also in synthetic polymers differences in the folding pathway induce differences in the properties of the resultant nanostructures.
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Affiliation(s)
- Gijs M. ter Huurne
- 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
- Institute for Complex Molecular
Systems, Laboratory of Macromolecular and Organic Chemistry, 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
| | - E. W. Meijer
- 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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33
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Kröger AP, Hamelmann NM, Juan A, Lindhoud S, Paulusse JMJ. Biocompatible Single-Chain Polymer Nanoparticles for Drug Delivery-A Dual Approach. ACS APPLIED MATERIALS & INTERFACES 2018; 10:30946-30951. [PMID: 30152672 PMCID: PMC6148439 DOI: 10.1021/acsami.8b07450] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 08/28/2018] [Indexed: 06/08/2023]
Abstract
Single-chain polymer nanoparticles (SCNPs) are protein-inspired materials based on intramolecularly cross-linked polymer chains. We report here the development of SCNPs as uniquely sized nanocarriers that are capable of drug encapsulation independent of the polarity of the employed medium. Synthetic routes are presented for SCNP preparation in both organic and aqueous environments. Importantly, the SCNPs in organic media were successfully rendered water soluble, resulting in two complementary pathways toward water-soluble SCNPs with comparable resultant physicochemical characteristics. The solvatochromic dye Nile red was successfully encapsulated inside the SCNPs following both pathways, enabling probing of the SCNP interior. Moreover, the antibiotic rifampicin was encapsulated in organic medium, the loaded nanocarriers were rendered water soluble, and a controlled release of rifampicin was evidenced. The absence of discernible cytotoxic effects and promising cellular uptake behavior bode well for the application of SCNPs in controlled therapeutics delivery.
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Affiliation(s)
- A. Pia
P. Kröger
- Department
of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology
and TechMed Institute for Health and Biomedical Technologies, Faculty
of Science and Technology, Department of Molecular NanoFabrication, MESA+ Institute
for Nanotechnology, Faculty of Science and Technology, and Department of
Nanobiophysics, MESA+ Institute for Nanotechnology, Faculty of Science
and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Naomi M. Hamelmann
- Department
of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology
and TechMed Institute for Health and Biomedical Technologies, Faculty
of Science and Technology, Department of Molecular NanoFabrication, MESA+ Institute
for Nanotechnology, Faculty of Science and Technology, and Department of
Nanobiophysics, MESA+ Institute for Nanotechnology, Faculty of Science
and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Alberto Juan
- Department
of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology
and TechMed Institute for Health and Biomedical Technologies, Faculty
of Science and Technology, Department of Molecular NanoFabrication, MESA+ Institute
for Nanotechnology, Faculty of Science and Technology, and Department of
Nanobiophysics, MESA+ Institute for Nanotechnology, Faculty of Science
and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Saskia Lindhoud
- Department
of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology
and TechMed Institute for Health and Biomedical Technologies, Faculty
of Science and Technology, Department of Molecular NanoFabrication, MESA+ Institute
for Nanotechnology, Faculty of Science and Technology, and Department of
Nanobiophysics, MESA+ Institute for Nanotechnology, Faculty of Science
and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jos M. J. Paulusse
- Department
of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology
and TechMed Institute for Health and Biomedical Technologies, Faculty
of Science and Technology, Department of Molecular NanoFabrication, MESA+ Institute
for Nanotechnology, Faculty of Science and Technology, and Department of
Nanobiophysics, MESA+ Institute for Nanotechnology, Faculty of Science
and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
- Department
of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen,
P.O. Box 30.001, 9700 RB Groningen, The Netherlands
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Kröger APP, Paulusse JMJ. Single-chain polymer nanoparticles in controlled drug delivery and targeted imaging. J Control Release 2018; 286:326-347. [PMID: 30077737 DOI: 10.1016/j.jconrel.2018.07.041] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/17/2018] [Accepted: 07/27/2018] [Indexed: 12/26/2022]
Abstract
As a relatively new class of materials, single-chain polymer nanoparticles (SCNPs) just entered the field of (biomedical) applications, with recent advances in polymer science enabling the formation of bio-inspired nanosized architectures. Exclusive intramolecular collapse of individual polymer chains results in individual nanoparticles. With sizes an order of magnitude smaller than conventional polymer nanoparticles, SCNPs are in the size regime of many proteins and viruses (1-20 nm). Multifaceted syntheses and design strategies give access to a wide set of highly modular SCNP materials. This review describes how SCNPs have been rendered water-soluble and highlights ongoing research efforts towards biocompatible SCNPs with tunable properties for controlled drug delivery, targeted imaging and protein mimicry.
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Affiliation(s)
- A Pia P Kröger
- Department of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
| | - Jos M J Paulusse
- Department of Biomolecular Nanotechnology, MESA+ Institute for Nanotechnology and TechMed Institute for Health and Biomedical Technologies, Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
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Pedrini A, Poggini L, Tudisco C, Torelli M, Giuffrida AE, Bertani F, Cimatti I, Otero E, Ohresser P, Sainctavit P, Suman M, Condorelli GG, Mannini M, Dalcanale E. Self-Assembly of TbPc 2 Single-Molecule Magnets on Surface through Multiple Hydrogen Bonding. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:1702572. [PMID: 29226595 DOI: 10.1002/smll.201702572] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/26/2017] [Indexed: 06/07/2023]
Abstract
The complexation between 2-ureido-4[1H]-pyrimidinone (UPy) and 2,7-diamido-1,8-naphthyridine (NaPy) is used to promote the mild chemisorption of a UPy-functionalized terbium(III) double decker system on a silicon surface. The adopted strategy allows the single-molecule magnet behavior of the system to be maintained unaltered on the surface.
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Affiliation(s)
- Alessandro Pedrini
- Department of Chemistry, Life Sciences and Environmental Sustainability & INSTM RU of Parma, Parco delle Scienze 17/A, 43124, Parma, Italy
| | - Lorenzo Poggini
- Department of Chemistry "Ugo Schiff" & INSTM RU of Firenze University of Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Cristina Tudisco
- Department of Chemical Science & INSTM RU of Catania, University of Catania, Viale Andrea Doria 6, Catania, Italy
| | - Martina Torelli
- Department of Chemistry, Life Sciences and Environmental Sustainability & INSTM RU of Parma, Parco delle Scienze 17/A, 43124, Parma, Italy
| | - Antonino E Giuffrida
- Department of Chemical Science & INSTM RU of Catania, University of Catania, Viale Andrea Doria 6, Catania, Italy
| | - Federico Bertani
- Department of Chemistry, Life Sciences and Environmental Sustainability & INSTM RU of Parma, Parco delle Scienze 17/A, 43124, Parma, Italy
| | - Irene Cimatti
- Department of Chemistry "Ugo Schiff" & INSTM RU of Firenze University of Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Edwige Otero
- Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, BP 48, 91192, Gif sur Yvette, France
| | - Philippe Ohresser
- Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, BP 48, 91192, Gif sur Yvette, France
| | - Philippe Sainctavit
- Synchrotron SOLEIL, L'Orme des Merisiers Saint Aubin, BP 48, 91192, Gif sur Yvette, France
- IMPMC-UMR7590, CNRS, UPMC, IRD, MNHN, 4 place Jussieu, 75005, Paris, France
| | - Michele Suman
- Barilla G.R. F.lli SpA, Advanced Laboratory Research, Via Mantova 166, 43122, Parma, Italy
| | - Guglielmo G Condorelli
- Department of Chemical Science & INSTM RU of Catania, University of Catania, Viale Andrea Doria 6, Catania, Italy
| | - Matteo Mannini
- Department of Chemistry "Ugo Schiff" & INSTM RU of Firenze University of Firenze, Via della Lastruccia 3, 50019, Sesto Fiorentino, Italy
| | - Enrico Dalcanale
- Department of Chemistry, Life Sciences and Environmental Sustainability & INSTM RU of Parma, Parco delle Scienze 17/A, 43124, Parma, Italy
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Wang L, Yin Z, Zhang Y, Jiang Y, Zhang L, Yasin A. Probing the single pair rupture force of supramolecular quadruply hydrogen bonding modules by nano-adhesion measurement. RSC Adv 2018; 8:21798-21805. [PMID: 35541728 PMCID: PMC9081402 DOI: 10.1039/c8ra03739f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 06/04/2018] [Indexed: 01/07/2023] Open
Abstract
Studying quadruply hydrogen bonding (QHB) module interactions in materials matrices presents a significant challenge because a wide variety of non-covalent interactions may be relevant. Here we introduce a method of surface modification with DeUG (7-deazaguanine urea), DAN (2,7-diamido-1,8-naphthyridine) and UPy (2-ureido-4[1H]-pyrimidone) modules to form self-assembled monolayers (SAMs) on a glass surface. The QHB interactions under mechanical stress were investigated by measuring adhesion force using PS-DAN (DAN modified polystyrene), PBMA-DeUG (DeUG modified poly butyl methacrylate) and PBA-UPy (UPy modified poly butyl acrylate) as adhesion promoters. A mechanical lap-shear test was used to evaluate the fracture resistance of QHB heterocomplexes. The maximum load at fail showed that QHB interaction contributed significantly (72%) to overall adhesion. For the QHB modified glass surface, using a polymer modified with its complementary QHB partner greatly facilitated their pairing efficiency, up to 40% for DAN-DeUG. A general method from which single pair ruptures force of QHB modules could be obtained using thermodynamic data obtained from solution chemistry was proposed. Using this method, the single pair rupture force for UPy–UPy was measured as 160 pN, and the single pair rupture force for DAN-DeUG was obtained as 193 pN. Quadruply hydrogen bonding interactions under mechanical stress were investigated by measuring adhesion force using PS-DAN, PBMA-DeUG and PBA-UPy as adhesion promoters. Results showed QHB interaction contributed significantly (72%) of overall adhesion.![]()
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Affiliation(s)
- Lulu Wang
- Department of Chemical and Environmental Engineering
- Xinjiang Institute of Engineering
- Urumqi 830023
- China
- Xinjiang Technical Institute of Physics and Chemistry
| | - Zhaoming Yin
- Department of Chemical and Environmental Engineering
- Xinjiang Institute of Engineering
- Urumqi 830023
- China
| | - Yagang Zhang
- Department of Chemical and Environmental Engineering
- Xinjiang Institute of Engineering
- Urumqi 830023
- China
- Xinjiang Technical Institute of Physics and Chemistry
| | - Yingfang Jiang
- Xinjiang Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Urumqi 830011
- China
- University of Chinese Academy of Sciences
| | - Letao Zhang
- Xinjiang Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Urumqi 830011
- China
| | - Akram Yasin
- Xinjiang Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Urumqi 830011
- China
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37
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Zhou Y, Qu Y, Yu Q, Chen H, Zhang Z, Zhu X. Controlled synthesis of diverse single-chain polymeric nanoparticles using polymers bearing furan-protected maleimide moieties. Polym Chem 2018. [DOI: 10.1039/c8py00481a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This study is devoted to the control fabrication of SCNPs from the same precursor and exploring the surface properties of SCNP-made films.
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Affiliation(s)
- Yu Zhou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Yangcui Qu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Qian Yu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Hong Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
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38
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Rumyantsev M, Rumyantsev S. Combining advantages of homogeneous organocatalysis and heterogeneous catalysis with thermosensitive single-chain nanoparticles in a representative tetrahydropyranilation of alcohols. POLYMER 2018. [DOI: 10.1016/j.polymer.2017.12.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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39
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Ter Huurne GM, de Windt LNJ, Liu Y, Meijer EW, Voets IK, Palmans ARA. Improving the Folding of Supramolecular Copolymers by Controlling the Assembly Pathway Complexity. Macromolecules 2017; 50:8562-8569. [PMID: 29151619 PMCID: PMC5688411 DOI: 10.1021/acs.macromol.7b01769] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 09/27/2017] [Indexed: 12/20/2022]
Abstract
![]()
A family of amphiphilic,
heterograft copolymers containing hydrophilic,
hydrophobic, and supramolecular units based on Jeffamine M-1000, dodecylamine,
and benzene-1,3,5-tricarboxamide (BTA) motifs, respectively, was prepared
via a postfunctionalization approach. The folding of the copolymers
in water into nanometer-sized particles was analyzed by a combination
of dynamic and static light scattering, circular dichroism spectroscopy,
and small-angle neutron scattering. The sample preparation protocol
was crucial for obtaining reproducible and consistent results, showing
that only full control over the structure and pathway complexity will
afford the desired folded structure, a phenomenon similar to protein
folding. The results revealed that relatively small changes in the
polymer’s graft composition strongly affected the intra- versus
intermolecular assembly processes. Depending on the amount of the
hydrophobic grafts based on either dodecyl or BTA groups, pronounced
behavioral differences were observed for copolymers that comprise
similar degrees of hydrophobic content. A high number of BTA grafts
(>10%) resulted in the formation of multichain aggregates comprising
around six polymer chains. In contrast, for copolymers comprising
up to 10% BTA grafts the folding results in nanoparticles that adopt
open, sparse conformations and comprise one to two polymer chains.
Interestingly, predominantly single-chain polymeric nanoparticles
were formed when the copolymer comprised only Jeffamine or Jeffamine
and dodecyl grafts. In addition, replacing part of the BTA grafts
by hydrophobic dodecyl grafts while keeping the hydrophobic content
constant promoted single-chain folding and resulted in the formation
of a compact, globular nanoparticle with a more structured interior.
Thus, the intra- and intermolecular self-assembly pathways can be
directed by carefully tuning the polymer’s hydrophilic–hydrophobic
balance in combination with the number of supramolecular grafts.
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Affiliation(s)
- Gijs M Ter Huurne
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Lafayette N J de Windt
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Yiliu Liu
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E W Meijer
- 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
- Institute for Complex Molecular Systems, Laboratory of Macromolecular and Organic Chemistry, 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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40
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Cao H, Cui Z, Gao P, Ding Y, Zhu X, Lu X, Cai Y. Metal-Folded Single-Chain Nanoparticle: Nanoclusters and Self-Assembled Reduction-Responsive Sub-5-nm Discrete Subdomains. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700269] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 05/29/2017] [Indexed: 12/30/2022]
Affiliation(s)
- Hui Cao
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Zhigang Cui
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Pan Gao
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Yi Ding
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Xuechao Zhu
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Xinhua Lu
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
| | - Yuanli Cai
- State-Local Joint Engineering Laboratory of Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis; College of Chemistry; Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 China
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41
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Kröger APP, Boonen RJ, Paulusse JM. Well-defined single-chain polymer nanoparticles via thiol-Michael addition. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.05.040] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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42
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Knöfel ND, Rothfuss H, Willenbacher J, Barner-Kowollik C, Roesky PW. Platin(II)-verknüpfte Einzelketten-Nanopartikel: ein Schritt in Richtung wiederverwendbarer Homogenkatalysatoren. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700718] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Nicolai D. Knöfel
- Institut für Anorganische Chemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 15 76131 Karlsruhe Deutschland
| | - Hannah Rothfuss
- Institut für Technische Chemie und Polymerchemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 18 76131 Karlsruhe Deutschland
- Institut für Biologische Grenzflächen; Karlsruher Institut für Technologie (KIT; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George Street Brisbane QLD 4001 Australien
| | | | - Christopher Barner-Kowollik
- Institut für Technische Chemie und Polymerchemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 18 76131 Karlsruhe Deutschland
- Institut für Biologische Grenzflächen; Karlsruher Institut für Technologie (KIT; Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Deutschland
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George Street Brisbane QLD 4001 Australien
| | - Peter W. Roesky
- Institut für Anorganische Chemie; Karlsruher Institut für Technologie (KIT); Engesserstraße 15 76131 Karlsruhe Deutschland
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43
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Knöfel ND, Rothfuss H, Willenbacher J, Barner-Kowollik C, Roesky PW. Platinum(II)-Crosslinked Single-Chain Nanoparticles: An Approach towards Recyclable Homogeneous Catalysts. Angew Chem Int Ed Engl 2017; 56:4950-4954. [DOI: 10.1002/anie.201700718] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Nicolai D. Knöfel
- Institute for Inorganic Chemistry; Karlsruher Institute of Technology (KIT); Engesserstrasse 15 76131 Karlsruhe Germany
| | - Hannah Rothfuss
- Institut für Technische Chemie und Polymerchemie; Karlsruhe Institute of Technology (KIT); Engesserstrasse 18 76131 Karlsruhe Germany
- Institute for Biological Interfaces; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George Street Brisbane QLD 4001 Australia
| | - Johannes Willenbacher
- Materials Research Laboratory (MRL); University of California, Santa Barbara; Santa Barbara CA 93106 USA
| | - Christopher Barner-Kowollik
- Institut für Technische Chemie und Polymerchemie; Karlsruhe Institute of Technology (KIT); Engesserstrasse 18 76131 Karlsruhe Germany
- Institute for Biological Interfaces; Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- School of Chemistry, Physics and Mechanical Engineering; Queensland University of Technology (QUT); 2 George Street Brisbane QLD 4001 Australia
| | - Peter W. Roesky
- Institute for Inorganic Chemistry; Karlsruher Institute of Technology (KIT); Engesserstrasse 15 76131 Karlsruhe Germany
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44
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Myllymäki TTT, Lemetti L, Nonappa, Ikkala O. Hierarchical Supramolecular Cross-Linking of Polymers for Biomimetic Fracture Energy Dissipating Sacrificial Bonds and Defect Tolerance under Mechanical Loading. ACS Macro Lett 2017; 6:210-214. [PMID: 35650915 DOI: 10.1021/acsmacrolett.7b00011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Biological structural materials offer fascinating models how to synergistically increase the solid-state defect tolerance, toughness, and strength using nanocomposite structures by incorporating different levels of supramolecular sacrificial bonds to dissipate fracture energy. Inspired thereof, we show how to turn a commodity acrylate polymer, characteristically showing a brittle solid state fracture, to become defect tolerant manifesting noncatastrophic crack propagation by incorporation of different levels of fracture energy dissipating supramolecular interactions. Therein, poly(2-hydroxyethyl methacrylate) (pHEMA) is a feasible model polymer showing brittle solid state fracture in spite of a high maximum strain and clear yielding, where the weak hydroxyl group mediated hydrogen bonds do not suffice to dissipate fracture energy. We provide the next level stronger supramolecular interactions toward solid-state networks by postfunctionalizing a minor part of the HEMA repeat units using 2-ureido-4[1H]-pyrimidinone (UPy), capable of forming four strong parallel hydrogen bonds. Interestingly, such a polymer, denoted here as p(HEMA-co-UPyMA), shows toughening by suppressed catastrophic crack propagation, even if the strength and stiffness are synergistically increased. At the still higher hierarchical level, colloidal level cross-linking using oxidized carbon nanotubes with hydrogen bonding surface decorations, including UPy, COOH, and OH groups, leads to further increased stiffness and ultimate strength, still leading to suppressed catastrophic crack propagation. The findings suggest to incorporate a hierarchy of supramolecular groups of different interactions strengths upon pursuing toward biomimetic toughening.
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Affiliation(s)
- Teemu T. T. Myllymäki
- Department
of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Aalto, Finland
| | - Laura Lemetti
- School
of Chemical Technology, Aalto University, P.O. Box 16100, FI-00076 Aalto, Finland
| | - Nonappa
- Department
of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Aalto, Finland
| | - Olli Ikkala
- Department
of Applied Physics, Aalto University, P.O. Box 15100, FI-00076 Aalto, Finland
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45
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Pomposo JA, Rubio-Cervilla J, Moreno AJ, Lo Verso F, Bacova P, Arbe A, Colmenero J. Folding Single Chains to Single-Chain Nanoparticles via Reversible Interactions: What Size Reduction Can One Expect? Macromolecules 2017. [DOI: 10.1021/acs.macromol.6b02427] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- José A. Pomposo
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Departamento
de Física de Materiales, Universidad del País Vasco (UPV/EHU), Apartado 1072, E-20800 San Sebastián, Spain
- IKERBASQUE - Basque
Foundation for Science, María
Díaz de Haro 3, E-48013 Bilbao, Spain
| | - Jon Rubio-Cervilla
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Departamento
de Física de Materiales, Universidad del País Vasco (UPV/EHU), Apartado 1072, E-20800 San Sebastián, Spain
| | - Angel J. Moreno
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Donostia International
Physics Center (DIPC), Paseo Manuel
de Lardizabal 4, E-20018 San Sebastián, Spain
| | - Federica Lo Verso
- Donostia International
Physics Center (DIPC), Paseo Manuel
de Lardizabal 4, E-20018 San Sebastián, Spain
| | - Petra Bacova
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
| | - Arantxa Arbe
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
| | - Juan Colmenero
- Centro de Física
de Materiales (CSIC, UPV/EHU) and Materials Physics Center MPC, Paseo Manuel de Lardizabal 5, E-20018 San Sebastián, Spain
- Departamento
de Física de Materiales, Universidad del País Vasco (UPV/EHU), Apartado 1072, E-20800 San Sebastián, Spain
- Donostia International
Physics Center (DIPC), Paseo Manuel
de Lardizabal 4, E-20018 San Sebastián, Spain
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46
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Wang F, Diesendruck CE. Advantages and limitations of diisocyanates in intramolecular collapse. Polym Chem 2017. [DOI: 10.1039/c7py00712d] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A comprehensive examination of the synthesis of single chain polymer nanoparticles (SCPNs) from a copolymer of methyl acrylate (MA) and 2-hydroxyethyl acrylate (HEA) via the intra-chain urethane formation by using hexamethylene diisocyanate (HDI) as a cross-linker is described.
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Affiliation(s)
- Feng Wang
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Institute
- Technion – Israel Institute of Technology
- Haifa
- Israel
| | - Charles E. Diesendruck
- Schulich Faculty of Chemistry and Russell-Berrie Nanotechnology Institute
- Technion – Israel Institute of Technology
- Haifa
- Israel
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47
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Zhang J, Tanaka J, Gurnani P, Wilson P, Hartlieb M, Perrier S. Self-assembly and disassembly of stimuli responsive tadpole-like single chain nanoparticles using a switchable hydrophilic/hydrophobic boronic acid cross-linker. Polym Chem 2017. [DOI: 10.1039/c7py00828g] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
pH/sugar responsive behaviour of tadpole-like single chain nanoparticles based on a switchable hydrophilic/hydrophobic boronic acid cross-linker is described.
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Affiliation(s)
- Junliang Zhang
- Department of Chemistry
- The University of Warwick
- Coventry CV4 7AL
- UK
| | - Joji Tanaka
- Department of Chemistry
- The University of Warwick
- Coventry CV4 7AL
- UK
| | - Pratik Gurnani
- Department of Chemistry
- The University of Warwick
- Coventry CV4 7AL
- UK
| | - Paul Wilson
- Department of Chemistry
- The University of Warwick
- Coventry CV4 7AL
- UK
| | | | - Sébastien Perrier
- Department of Chemistry
- The University of Warwick
- Coventry CV4 7AL
- UK
- Warwick Medical School
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48
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Bartolini A, Tempesti P, Resta C, Berti D, Smets J, Aouad YG, Baglioni P. Poly(ethylene glycol)-graft-poly(vinyl acetate) single-chain nanoparticles for the encapsulation of small molecules. Phys Chem Chem Phys 2017; 19:4553-4559. [DOI: 10.1039/c6cp07967a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amphiphilic poly(ethylene glycol)-graft-poly(vinyl acetate) copolymers with a low degree of grafting undergo self-folding in water driven by hydrophobic interactions, resulting in single-chain nanoparticles (SCNPs) possessing a hydrodynamic radius of about 10 nm.
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Affiliation(s)
- Arianna Bartolini
- Department of Chemistry “Ugo Schiff” and CSGI
- University of Florence
- via della Lastruccia 3
- 50019 Florence
- Italy
| | - Paolo Tempesti
- Department of Chemistry “Ugo Schiff” and CSGI
- University of Florence
- via della Lastruccia 3
- 50019 Florence
- Italy
| | - Claudio Resta
- Department of Chemistry “Ugo Schiff” and CSGI
- University of Florence
- via della Lastruccia 3
- 50019 Florence
- Italy
| | - Debora Berti
- Department of Chemistry “Ugo Schiff” and CSGI
- University of Florence
- via della Lastruccia 3
- 50019 Florence
- Italy
| | - Johan Smets
- The Procter & Gamble Company
- 1853 Strombeek Bever
- Belgium
| | - Yousef G. Aouad
- The Procter & Gamble Company
- Winton Hill Technical Center 6100 Center Hill
- Cincinnati
- USA
| | - Piero Baglioni
- Department of Chemistry “Ugo Schiff” and CSGI
- University of Florence
- via della Lastruccia 3
- 50019 Florence
- Italy
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49
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Gao Y, Böhmer VI, Zhou D, Zhao T, Wang W, Paulusse JM. Main-chain degradable single-chain cyclized polymers as gene delivery vectors. J Control Release 2016; 244:375-383. [DOI: 10.1016/j.jconrel.2016.07.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 07/20/2016] [Accepted: 07/27/2016] [Indexed: 11/15/2022]
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50
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Zhang J, Gody G, Hartlieb M, Catrouillet S, Moffat J, Perrier S. Synthesis of Sequence-Controlled Multiblock Single Chain Nanoparticles by a Stepwise Folding–Chain Extension–Folding Process. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01962] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Junliang Zhang
- Department
of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
| | - Guillaume Gody
- Department
of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
| | - Matthias Hartlieb
- Department
of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
| | | | - Jonathan Moffat
- Asylum Research, Halifax
Road, High Wycombe, Buckinghamshire HP12 3SE, U.K
| | - Sébastien Perrier
- Department
of Chemistry, The University of Warwick, Coventry CV4 7AL, U.K
- Faculty
of Pharmacy and Pharmaceutical Sciences, Monash University, 381
Royal Parade, Parkville, Victoria 3052, Australia
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