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Strohmaier-Nguyen D, Horn C, Baeumner AJ. Membrane-Free Lateral Flow Assay with the Active Control of Fluid Transport for Ultrasensitive Cardiac Biomarker Detection. Anal Chem 2024; 96:7014-7021. [PMID: 38659215 PMCID: PMC11079857 DOI: 10.1021/acs.analchem.4c00142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 04/26/2024]
Abstract
Membrane-based lateral flow immunoassays (LFAs) have been employed as early point-of-care (POC) testing tools in clinical settings. However, the varying membrane properties, uncontrollable sample transport in LFAs, visual readout, and required large sample volumes have been major limiting factors in realizing needed sensitivity and desirable precise quantification. Addressing these challenges, we designed a membrane-free system in which the desirable three-dimensional (3D) structure of the detection zone is imitated and used a small pump for fluid flow and fluorescence as readout, all the while maintaining a one-step assay protocol. A hydrogel-like protein-polyelectrolyte complex (PPC) within a polyelectrolyte multilayer (PEM) was developed as the test line by complexing polystreptavidin (pSA) with poly(diallyldimethylammonium chloride) (PDDA), which in turn was layered with poly(acrylic acid) (PAA) resulting in a superior 3D streptavidin-rich test line. Since the remainder of the microchannel remains material-free, good flow control is achieved, and with the total volume of 20 μL, 7.5-fold smaller sample volumes can be used in comparison to conventional LFAs. High sensitivity with desirable reproducibility and a 20 min total assay time were achieved for the detection of NT-proBNP in plasma with a dynamic range of 60-9000 pg·mL-1 and a limit of detection of 56 pg·mL-1 using probe antibody-modified fluorescence nanoparticles. While instrument-free visual detection is no longer possible, the developed lateral flow channel platform has the potential to dramatically expand the LFA applicability, as it overcomes the limitations of membrane-based immunoassays, ultimately improving the accuracy and reducing the sample volume so that finger-prick analyses can easily be done in a one-step assay for analytes present at very low concentrations.
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Affiliation(s)
- Dan Strohmaier-Nguyen
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
| | - Carina Horn
- Roche
Diagnostics GmbH, 68305 Mannheim, Germany
| | - Antje J. Baeumner
- Institute
of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
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2
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Guo X, You M, Zhang L, Yuan G, Pei J. Enhanced Adsorption Stability and Biofunction Durability with Phosphonate-Grafted, PEGylated Copolymer on Hydroxyapatite Surface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:3190-3201. [PMID: 38294184 DOI: 10.1021/acs.langmuir.3c03659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Nonfouling surfaces are crucial in applications such as biosensors, medical implants, marine coatings, and drug delivery vehicles. However, their long-term coating stability and robust surface binding strength in physiological media remain challenging. Herein, a phosphonate-grafted, PEGylated copolymer on the hydroxyapatite (HA) surface is proposed to significantly improve the adsorption stability and thus enhance the biofunction durability accordingly. The phosphoryl (-PO3) grafted branch is employed in the functional polymer to facilitate attaching to the HA substrate. In addition, the polymer integrates the nonfouling polymer brushes of poly(ethylene glycol) (PEG) with the cell-adhesive moiety of cyclic Arg-Gly-Asp-d-Phe-Cys peptides (cRGD). A systematic study on the as-synthesized PEGylated graft copolymer indicates a synergistic binding mechanism of the NH2 and PO3 groups to HA, achieving a high surface coverage with desirable adsorption stability. The cRGD/PEGylated copolymers of optimized grafting architecture are proven to effectively adsorb to HA surfaces as a self-assembled copolymer monolayer, showing stability with minimal desorption even in a complex, physiological medium and effectively preventing nonspecific protein adsorption as examined with X-ray photoelectron spectroscopy (XPS) and a quartz crystal microbalance with dissipation (QCM-D). Direct adhesion assays further confirm that the enhanced coating stability and biofunction durability of the phosphonate-grafted, cRGD-PEGylated copolymer can considerably promote osteoblast attachment on HA surfaces, meanwhile preventing microbial adhesion. This research has resulted in a solution of self-assembly polymer structure optimization that exhibits stable nonfouling characteristics.
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Affiliation(s)
- Xin Guo
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Mingyu You
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Lei Zhang
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Guangyin Yuan
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jia Pei
- National Engineering Research Center of Light Alloy Net Forming & State Key Laboratory of Metal Matrix Composite, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- National Engineering Research Center of Advanced Magnetic Resonance Technologies for Diagnosis and Therapy (NERC-AMRT), Shanghai Jiao Tong University, Shanghai 200240, China
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Bo H, Zhang Z, Chen Z, Qiao W, Jing S, Dou T, Tian T, Zhang M, Qiao W. Construction of a biomimetic core-shell PDA@Lac bioreactor from intracellular laccase as a nano-confined biocatalyst for decolorization. CHEMOSPHERE 2023; 330:138654. [PMID: 37044142 DOI: 10.1016/j.chemosphere.2023.138654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/13/2023] [Accepted: 04/08/2023] [Indexed: 05/14/2023]
Abstract
Enzymes immobilized on the surface of the carriers are difficult to maintain their conformation and high activity due to the influence of the external harsh environments. A biomimetic core-shell PDA@Lac bioreactor was constructed by depositing polydopamine (PDA) on the surface of the recombinant Escherichia coli with CotA laccase gene, and releasing intracellular laccase into the PDA shell using ultrasound to break the cell wall of the bacteria. The bioreactor provided a nano-confined environment for the laccase and accelerated the mass and electron transfer in the volume-confined space, with a 2.77-fold increase in Km compared with the free laccase. Since there was no barrier of the cell wall, the crystal violet dye can enter the bioreactor to participate in the enzymatic reaction. As a result, PDA@Lac achieved excellent decolorization performance even without ABTS as an electron mediator. Moreover, the cytoplasmic solution retained in the PDA shell promoted the enzyme's tolerance to pH, temperature and harsh environments. In addition to PDA encapsulation, carbonyl and -NH2 groups of PDA were bound covalently with -NH2 and -COOH on the laccase in the PDA@Lac, resulting in an extremely high laccase loading of 817.59 mg/g. Also, the relative activity of the bioreactor maintained approximately 75% after 10 cycles of reuse. In addition, the protection of the PDA shell increased the resistance of laccase to UV irradiation. This work provides a novel method of laccase immobilization for application in wastewater treatment.
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Affiliation(s)
- Hongqing Bo
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Ziyan Zhang
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Zhonglin Chen
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Wenrui Qiao
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Siyi Jing
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Tongtong Dou
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Tian Tian
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China
| | - Ming Zhang
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China.
| | - Weichuan Qiao
- Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China.
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4
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Gopalakrishnan A, Mathew J, Thomas JM, Thankachan G, Aravindakumar CT, Aravind UK. Spectro-kinetic investigations on the release mechanism of lysozyme from layer-by-layer reservoirs. Colloids Surf B Biointerfaces 2023; 222:113135. [PMID: 36640537 DOI: 10.1016/j.colsurfb.2023.113135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/21/2022] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
The investigations of protein adsorption and release on interfaces aid in the elucidation of the protein-surface interaction mechanism, which has several applications in the biomedical area. The spectro-kinetic and morphological analysis of the release of lysozyme (Lyz) from chitosan/polystyrene sulphonate (CHI/PSS) multilayer immobilized at pHs 10.6, 8.8 and 5.0 shows that the extent of release strongly depends on the pH of Lyz loading and the ionic strength of the desorbing solution. When compared to pH 8.8, the release for pH 10.6 achieves equilibrium more rapidly. At loading pH 10.6, the release is surface-mediated, at pH 8.8, it is both surface- and bulk-mediated, while at pH 5.0 it is bulk mediated with minimal release. Lyz released for loading pH 10.6 retains its native secondary structure. Kinetic fitting suggests that high loading pH 8.8-10.6 and high release ionic strength (0.5-1.0 M NaCl) lead to burst release of Lyz from CHI/PSS multilayer. Surface morphology changes of multilayer interface upon Lyz loading and release are highlighted by SEM topography and AFM height distribution analysis. The present work indicates that CHI/PSS multilayer system can function as a reservoir for burst as well as controlled release of lysozyme by selecting the loading pH and ionic strength.
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Affiliation(s)
- Akhil Gopalakrishnan
- Advanced Centre of Environment Studies and Sustainable Development, Mahatma Gandhi University, Kottayam 686560, India
| | - Jissy Mathew
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam 686560, India
| | - Jain Maria Thomas
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam 686560, India
| | - Greeshma Thankachan
- School of Environmental Studies, Cochin University of Science and Technology, Kochi 682022, India
| | - Charuvila T Aravindakumar
- School of Environmental Sciences, Mahatma Gandhi University, Kottayam 686560, India; Inter University Instrumentation Centre, Mahatma Gandhi University, Kottayam 686560, India
| | - Usha K Aravind
- Advanced Centre of Environment Studies and Sustainable Development, Mahatma Gandhi University, Kottayam 686560, India; School of Environmental Studies, Cochin University of Science and Technology, Kochi 682022, India.
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5
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Moses K, Van Tassel PR. Polyelectrolyte Influence on Beta-Hairpin Peptide Stability: A Simulation Study. J Phys Chem B 2023; 127:359-370. [PMID: 36574611 DOI: 10.1021/acs.jpcb.2c06641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Assemblies of proteins and charged macromolecules (polyelectrolytes) find important applications as pharmaceutical formulations, biocatalysts, and cell-contacting substrates. A key question is how the polymer component influences the structure and function of the protein. The present paper addresses the influence of charged polymers on the thermal stability of two model beta-hairpin-forming peptides through an all-atom, replica exchange molecular dynamics simulation. The (negatively charged) peptides consist of the terminal 16 amino acids of the B1 domain of Protein G (GB1) and a variant with three of the GB1 residues substituted with tryptophan (Tryptophan Zipper 4, or TZ4). A (cationic) lysine polymer is seen to thermally stabilize TZ4 and destabilize GB1, while a (also cationic) chitosan polymer slightly stabilizes GB1 but has essentially no effect on TZ4. Free energy profiles reveal folded and unfolded conformations to be separated by kinetic barriers generally acting in the direction of the thermodynamically favored state. Through application of an Ising-like statistical mechanical model, a mechanism is proposed based on competition between (indirect) entropic stabilization of folded versus unfolded states and (direct) competition for hydrogen-bonding and hydrophobic interactions. These findings have important implications to the design of polyelectrolyte-based materials for biomedical and biotechnological applications.
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Affiliation(s)
- Kevin Moses
- Dept. of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
| | - Paul R Van Tassel
- Dept. of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
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6
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Boranna R, Nataraj CT, Bannur Nanjunda S, Pahal S, Jagannath RK, Prashanth GR. Fluorescence Signal Enhancement by a Spray-Assisted Layer-by-Layer Technique on Aluminum Tape Devices for Biosensing Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3149-3157. [PMID: 35235318 DOI: 10.1021/acs.langmuir.1c03186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Layer-by-layer (LbL) self-assembled polyelectrolyte multilayer (PEM) films are a simple yet elegant bottom-up technology to create films at the nano-microscale. This low-cost technology has been widely used as a universal functionalization technique on a broad spectrum of substrates. Biomolecules under investigation can be incubated onto films based on complementary charge interactions between the films and biomolecules. There is a great demand for developing an ultralow-cost biosensing device, which can optimally enhance the fluorescence signal of the adsorbed biomolecules from the traditional labeled sensing platforms. In this work, we have incorporated a blend of the conventional metal enhanced fluorescence technology and the PEM as a dielectric spacer and functionalized film, coated on an aluminum paper (tape)-based substrate. These device has been found to be capable of holding biomolecules in three-dimensional PEM space. The devices fabricated by the proposed spray LbL technique provide significant fluorescence signal enhancement by holding a relatively higher mass per volume of the adsorbed biomolecules, when compared to traditional spin- and dip-coating techniques. Interestingly, our proposed device has expressed a fluorescence enhancement factor, which is 9 times higher than PEM-functionalized glass-based devices. To demonstrate the practical utility of our devices, we also compared our devices to Whatman FAST slides. Our experimental fluorescence results are almost comparable to Whatman FAST slides. Such PEM devices fabricated on top of low-cost aluminum tape using a spray LbL technique give new insights into the future development of ultralow-cost, high-throughput, and disposable lab-on-chip diagnostic applications.
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Affiliation(s)
- Rakshith Boranna
- Department of Electronics and Communication Engineering, National Institute of Technology Goa, Farmagudi, Ponda, Goa 403401, India
| | - Chandrika Thondagere Nataraj
- Department of Electronics and Telecommunication Engineering, Siddaganga Institute of Technology, Tumkuru, Karnataka 572103, India
| | - Shivananju Bannur Nanjunda
- Department of Electrical Engineering, Centre of Excellence in Biochemical Sensing and Imaging Technologies (Cen-Bio-SIM), Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Suman Pahal
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru, Karnataka 560012, India
| | | | - Gurusiddappa R Prashanth
- Department of Electronics and Communication Engineering, National Institute of Technology Goa, Farmagudi, Ponda, Goa 403401, India
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7
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Pahal S, Boranna R, Prashanth GR, Varma MM. Simplifying Molecular Transport in Polyelectrolyte Multilayer Thin Films. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Suman Pahal
- Institute for Stem Cell Science and Regenerative Medicine (inStem) Bengaluru Karnataka 560065 India
- Centre for Nano Science and Engineering Indian Institute of Science Bengaluru Karnataka 560012 India
| | - Rakshith Boranna
- Department of Electronics and Communication Engineering National Institute of Technology Goa Farmagudi Ponda Goa 403401 India
| | - Gurusiddappa R. Prashanth
- Department of Electronics and Communication Engineering National Institute of Technology Goa Farmagudi Ponda Goa 403401 India
| | - Manoj M. Varma
- Centre for Nano Science and Engineering Indian Institute of Science Bengaluru Karnataka 560012 India
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8
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Aghajani M, Esmaeili F. Anti-biofouling assembly strategies for protein & cell repellent surfaces: a mini-review. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:1770-1789. [PMID: 34085909 DOI: 10.1080/09205063.2021.1932357] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The protein/cell interactions with the surface at the blood-biomaterial interface generally control the efficiency of biomedical devices. A wide range of active processes and slow kinetics occur simultaneously with many biomaterials in healthcare applications, leading to multiple biological reactions and reduced clinical functions. In this work, we present a brief review of studies as the interface between proteins and biomaterials. These include mechanisms of resistance to proteins, protein-rejecting polyelectrolyte multilayers, and coatings of hydrophilic, polysaccharide and phospholipid nature. The mechanisms required to attain surfaces that resist adhesion include steric exclusion, water-related effects, and volume effects. Also, approaches in the use of hydrophilic, highly hydrated, and electrically neutral coatings have demonstrated a good ability to decrease cell adhesion. Moreover, amongst the available methods, the approach of layer-by-layer deposition has been known as an interesting process to manipulate protein and cell adhesion behavior.
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Affiliation(s)
- Mahdi Aghajani
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fariba Esmaeili
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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9
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Feng S, Liu Y, Li J, Wen S. Superlubricity Achieved with Zwitterionic Brushes in Diverse Conditions Induced by Shear Actions. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00430] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shaofei Feng
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
| | - Yuhong Liu
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
| | - Jinjin Li
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
| | - Shizhu Wen
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
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10
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Gnanasampanthan T, Beyer CD, Yu W, Karthäuser JF, Wanka R, Spöllmann S, Becker HW, Aldred N, Clare AS, Rosenhahn A. Effect of Multilayer Termination on Nonspecific Protein Adsorption and Antifouling Activity of Alginate-Based Layer-by-Layer Coatings. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5950-5963. [PMID: 33969986 DOI: 10.1021/acs.langmuir.1c00491] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Layer-by-layer (LbL) assembly is a versatile platform for applying coatings and studying the properties of promising compounds for antifouling applications. Here, alginate-based LbL coatings were fabricated by alternating the deposition of alginic acid and chitosan or polyethylenimine to form multilayer coatings. Films were prepared with either odd or even bilayer numbers to investigate if the termination of the LbL coatings affects the physicochemical properties, resistance against the nonspecific adsorption (NSA) of proteins, and antifouling efficacy. The hydrophilic films, which were characterized using spectroscopic ellipsometry, water contact angle goniometry, ATR-FTIR spectroscopy, AFM, XPS, and SPR spectroscopy, revealed high swelling in water and strongly reduced the NSA of proteins compared to the hydrophobic reference. While the choice of the polycation was important for the protein resistance of the LbL coatings, the termination mattered less. The attachment of diatoms and settling of barnacle cypris larvae revealed good antifouling properties that were controlled by the termination and the charge density of the LbL films.
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Affiliation(s)
| | | | | | | | | | | | | | - Nick Aldred
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
- School of Life Sciences, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, United Kingdom
| | - Anthony S Clare
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
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11
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The effect of polyacid on the physical and biological properties of chitosan based layer-by-layer films. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126313] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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12
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Polyelectrolyte Multilayers on Soft Colloidal Nanosurfaces: A New Life for the Layer-By-Layer Method. Polymers (Basel) 2021; 13:polym13081221. [PMID: 33918844 PMCID: PMC8069484 DOI: 10.3390/polym13081221] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/04/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023] Open
Abstract
The Layer-by-Layer (LbL) method is a well-established method for the assembly of nanomaterials with controlled structure and functionality through the alternate deposition onto a template of two mutual interacting molecules, e.g., polyelectrolytes bearing opposite charge. The current development of this methodology has allowed the fabrication of a broad range of systems by assembling different types of molecules onto substrates with different chemical nature, size, or shape, resulting in numerous applications for LbL systems. In particular, the use of soft colloidal nanosurfaces, including nanogels, vesicles, liposomes, micelles, and emulsion droplets as a template for the assembly of LbL materials has undergone a significant growth in recent years due to their potential impact on the design of platforms for the encapsulation and controlled release of active molecules. This review proposes an analysis of some of the current trends on the fabrication of LbL materials using soft colloidal nanosurfaces, including liposomes, emulsion droplets, or even cells, as templates. Furthermore, some fundamental aspects related to deposition methodologies commonly used for fabricating LbL materials on colloidal templates together with the most fundamental physicochemical aspects involved in the assembly of LbL materials will also be discussed.
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Rudt A, Sun J, Qin M, Liu L, Syldatk C, Barbeck M, Xiong X, Krastev R. Controlled Adhesion of HUVEC on Polyelectrolyte Multilayers by Regulation of Coating Conditions. ACS APPLIED BIO MATERIALS 2021; 4:1441-1449. [DOI: 10.1021/acsabm.0c01330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander Rudt
- Faculty for Applied Chemistry, Reutlingen University, Alteburgstraße 150, Reutlingen 72762, Germany
| | - Jing Sun
- School of Pharmaceutical Sciences, Peking University, No. 38 Xueyuan Road, Beijing 100191, China
| | - Meng Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, No. 15 Beisanhuan East Road, Beijing 100029, China
| | - Luo Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, No. 15 Beisanhuan East Road, Beijing 100029, China
| | - Christoph Syldatk
- Technical Biology in the Department of Chemical Engineering at the University of Karlsruhe, KIT Karlsruhe Institute of Technology, Fritz-Haber-Weg 4, Karlsruhe 76131, Germany
| | - Mike Barbeck
- BerlinAnalytix GmbH, Ullsteinstraße 108, Berlin 12109, Germany
| | - Xin Xiong
- Biofunctionalized Surfaces, NMI Natural and Medical Sciences Institute at the University of Tuebingen, Markwiesenstraße 55, Tuebingen 72770, Germany
| | - Rumen Krastev
- Faculty for Applied Chemistry, Reutlingen University, Alteburgstraße 150, Reutlingen 72762, Germany
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14
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Tiernan H, Byrne B, Kazarian SG. ATR-FTIR spectroscopy and spectroscopic imaging for the analysis of biopharmaceuticals. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 241:118636. [PMID: 32610215 PMCID: PMC7308041 DOI: 10.1016/j.saa.2020.118636] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/15/2020] [Accepted: 06/19/2020] [Indexed: 05/05/2023]
Abstract
Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy is a label-free, non-destructive technique that can be applied to a vast range of biological applications, from imaging cancer tissues and live cells, to determining protein content and protein secondary structure composition. This review summarises the recent advances in applications of ATR-FTIR spectroscopy to biopharmaceuticals, the application of this technique to biosimilars, and the current uses of FTIR spectroscopy in biopharmaceutical production. We discuss the use of ATR-FTIR spectroscopic imaging to investigate biopharmaceuticals, and finally, give an outlook on the possible future developments and applications of ATR-FTIR spectroscopy and spectroscopic imaging to this field. Throughout the review comparisons will be made between FTIR spectroscopy and alternative analytical techniques, and areas will be identified where FTIR spectroscopy could perhaps offer a better alternative in future studies. This review focuses on the most recent advances in the field of using ATR-FTIR spectroscopy and spectroscopic imaging to characterise and evaluate biopharmaceuticals, both in industrial and academic research based environments.
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Affiliation(s)
- Hannah Tiernan
- Department of Chemical Engineering, Imperial College London, UK; Department of Life Sciences, Imperial College London, UK
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15
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Guzmán E, Rubio RG, Ortega F. A closer physico-chemical look to the Layer-by-Layer electrostatic self-assembly of polyelectrolyte multilayers. Adv Colloid Interface Sci 2020; 282:102197. [PMID: 32579951 DOI: 10.1016/j.cis.2020.102197] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/06/2020] [Accepted: 06/08/2020] [Indexed: 01/08/2023]
Abstract
The fabrication of polyelectrolyte multilayer films (PEMs) using the Layer-by-Layer (LbL) method is one of the most versatile approaches for manufacturing functional surfaces. This is the result of the possibility to control the assembly process of the LbL films almost at will, by changing the nature of the assembled materials (building blocks), the assembly conditions (pH, ionic strength, temperature, etc.) or even by changing some other operational parameters which may impact in the structure and physico-chemical properties of the obtained multi-layered films. Therefore, the understanding of the impact of the above mentioned parameters on the assembly process of LbL materials plays a critical role in the potential use of the LbL method for the fabrication of new functional materials with technological interest. This review tries to provide a broad physico-chemical perspective to the study of the fabrication process of PEMs by the LbL method, which allows one to take advantage of the many possibilities offered for this approach on the fabrication of new functional nanomaterials.
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16
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A single-component, cross-linked, and surface-grafted polyelectrolyte film fabricated by the layer-by-layer assembly method. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122524] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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vander Straeten A, Lefèvre D, Demoustier-Champagne S, Dupont-Gillain C. Protein-based polyelectrolyte multilayers. Adv Colloid Interface Sci 2020; 280:102161. [PMID: 32416541 DOI: 10.1016/j.cis.2020.102161] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 12/12/2022]
Abstract
The immobilization of proteins to impart specific functions to surfaces is topical for chemical engineering, healthcare and diagnosis. Layer-by-Layer (LbL) self-assembly is one of the most used method to immobilize macromolecules on surfaces. It consists in the alternate adsorption of oppositely charged species, resulting in the formation of a multilayer. This method in principle allows any charged object to be immobilized on any surface, from aqueous solutions. However, when it comes to proteins, the promises of versatility, simplicity and universality that the LbL approach holds are unmet due to the heterogeneity of protein properties. In this review, the literature is analyzed to make a generic approach emerge, with a view to facilitate the LbL assembly of proteins with polyelectrolytes (PEs). In particular, this review aims at guiding the choice of the PE and the building conditions that lead to the successful growth of protein-based multilayered self-assemblies.
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18
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Lysozyme uptake into pharmaceutical grade fucoidan/chitosan polyelectrolyte multilayers under physiological conditions. J Colloid Interface Sci 2020; 565:555-566. [DOI: 10.1016/j.jcis.2020.01.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/10/2020] [Accepted: 01/12/2020] [Indexed: 01/28/2023]
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19
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Doberenz F, Zeng K, Willems C, Zhang K, Groth T. Thermoresponsive polymers and their biomedical application in tissue engineering - a review. J Mater Chem B 2020; 8:607-628. [PMID: 31939978 DOI: 10.1039/c9tb02052g] [Citation(s) in RCA: 157] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Thermoresponsive polymers hold great potential in the biomedical field, since they enable the fabrication of cell sheets, in situ drug delivery and 3D-printing under physiological conditions. In this review we provide an overview of several thermoresponsive polymers and their application, with focus on poly(N-isopropylacrylamide)-surfaces for cell sheet engineering. Basic knowledge of important processes like protein adsorption on surfaces and cell adhesion is provided. For different thermoresponsive polymers, namely PNIPAm, Pluronics, elastin-like polypeptides (ELP) and poly(N-vinylcaprolactam) (PNVCL), synthesis and basic chemical and physical properties have been described and the mechanism of their thermoresponsive behavior highlighted. Fabrication methods of thermoresponsive surfaces have been discussed, focusing on PNIPAm, and describing several methods in detail. The latter part of this review is dedicated to the application of the thermoresponsive polymers and with regard to cell sheet engineering, the process of temperature-dependent cell sheet detachment is explained. We provide insight into several applications of PNIPAm surfaces in cell sheet engineering. For Pluronics, ELP and PNVCL we show their application in the field of drug delivery and tissue engineering. We conclude, that research of thermoresponsive polymers has made big progress in recent years, especially for PNIPAm since the 1990s. However, manifold research possibilities, e.g. in surface fabrication and 3D-printing and further translational applications are conceivable in near future.
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Affiliation(s)
- Falko Doberenz
- Department Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany.
| | - Kui Zeng
- Wood Technology and Wood Chemistry, University of Goettingen, Büsgenweg 4, D-37077 Göttingen, Germany
| | - Christian Willems
- Department Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany.
| | - Kai Zhang
- Wood Technology and Wood Chemistry, University of Goettingen, Büsgenweg 4, D-37077 Göttingen, Germany
| | - Thomas Groth
- Department Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany. and Interdisciplinary Center of Material Science, Martin Luther University, Halle-Wittenberg, 06099 Halle (Saale), Germany and Institute for Bionic Technologies and Engineering, I.M. Sechenov First Moscow State Medical University, 1, 19991, Trubetskaya st. 8, Moscow, Russian Federation
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20
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Ghiorghita CA, Bucatariu F, Dragan ES. Influence of cross-linking in loading/release applications of polyelectrolyte multilayer assemblies. A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110050. [DOI: 10.1016/j.msec.2019.110050] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 07/31/2019] [Accepted: 08/02/2019] [Indexed: 10/26/2022]
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21
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Mahdavinia GR, Etemadi H. Surface modification of iron oxide nanoparticles with κ-carrageenan/carboxymethyl chitosan for effective adsorption of bovine serum albumin. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2015.12.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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22
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Lee JS, Shin BH, Yoo BY, Nam SY, Lee M, Choi J, Park H, Choy YB, Heo CY, Koh WG. Modulation of Foreign Body Reaction against PDMS Implant by Grafting Topographically Different Poly(acrylic acid) Micropatterns. Macromol Biosci 2019; 19:e1900206. [PMID: 31709762 DOI: 10.1002/mabi.201900206] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/15/2019] [Indexed: 01/25/2023]
Abstract
The surface of poly(dimethylsiloxane) (PDMS) is grafted with poly(acrylic acid) (PAA) layers via surface-initiated photopolymerization to suppress the capsular contracture resulting from a foreign body reaction. Owing to the nature of photo-induced polymerization, various PAA micropatterns can be fabricated using photolithography. Hole and stripe micropatterns ≈100-µm wide and 3-µm thick are grafted onto the PDMS surface without delamination. The incorporation of PAA micropatterns provides not only chemical cues by hydrophilic PAA microdomains but also topographical cues by hole or stripe micropatterns. In vitro studies reveal that a PAA-grafted PDMS surface has a lower proliferation of both macrophages (Raw 264.7) and fibroblasts (NIH 3T3) regardless of the pattern presence. However, PDMS with PAA micropatterns, especially stripe micropatterns, minimizes the aggregation of fibroblasts and their subsequent differentiation into myofibroblasts. An in vivo study also shows that PDMS samples with stripe micropatterns polarized macrophages into anti-inflammatory M2 macrophages and most effectively inhibits capsular contracture, which is demonstrated by investigation of inflammation score, transforming-growth-factor-β expression, number of macrophages, and myofibroblasts as well as the collagen density and capsule thickness.
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Affiliation(s)
- Jae Sang Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Byung Ho Shin
- Department of Biomedical Engineering, College of Medicine, Seoul National University, Seoul, 03080, Republic of Korea
| | - Byoung Yong Yoo
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Sun-Young Nam
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea
| | - Miji Lee
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea
| | - Juhwan Choi
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Hansoo Park
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea
| | - Young Bin Choy
- Department of Biomedical Engineering, College of Medicine, Seoul National University, Seoul, 03080, Republic of Korea.,Interdisciplinary Program for Bioengineering, College of Engineering, Seoul National University, Seoul, 08826, Republic of Korea.,Institute of Medical & Biological Engineering, Medical Research Center, Seoul National University, Seoul, 03080, Republic of Korea
| | - Chan Yeong Heo
- Department of Biomedical Engineering, College of Medicine, Seoul National University, Seoul, 03080, Republic of Korea.,Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea.,Department of Plastic and Reconstructive Surgery, College of Medicine, Seoul National University, Seoul, 03080, Republic of Korea
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
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23
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Rahdar S, Rahdar A, Ahmadi S, Trant JF. Adsorption of bovine serum albumin (BSA) by bare magnetite nanoparticles with surface oxidative impurities that prevent aggregation. CAN J CHEM 2019. [DOI: 10.1139/cjc-2019-0008] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Bare, uncoated magnetite nanoparticles, synthesized using an electrochemical surfactant-free synthesis, have highly oxidized surfaces that prevent aggregation. These particles have demonstrated highly intriguing biological activity showing extremely potent antibiotic activity against both gram-positive and gram-negative bacteria with little toxicity to rats. This difference in activity could be ascribed to the nature of the protein corona. The kinetics and thermodynamics of the binding of bovine serum albumin (BSA), used as a model serum protein, to these magnetite nanoparticles were analyzed. There is no significant change in particle diameter by dynamic light scattering following adsorption, indicating corona formation does not induce aggregation. The maximum adsorption capacity of the particles was determined to be 300 mg of BSA per gram of magnetite. The particles are able to adsorb 90% of the BSA at protein concentrations as high as 500 mg/L. The adsorption is best described using a pseudo second order model and a Langmuir Type III isotherm model. Thermodynamic analysis showed that the process is entropically driven and is spontaneous at all tested temperatures and conditions. However, it appears to be a weak to moderate physical adsorption. This moderate binding affinity could indicate the differential biological activity of these particles towards bacteria and mammalian cells and further support the contention that these are potentially useful new tools for targeting antibiotic-resistant bacteria.
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Affiliation(s)
- Somayeh Rahdar
- Department of Environmental Health, Zabol University of Medical Sciences, Zabol, P.O. Box. 35856-98613, Islamic Republic of Iran
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, P.O. Box. 35856-98613, Islamic Republic of Iran
| | - Shahin Ahmadi
- Department of Environmental Health, Zabol University of Medical Sciences, Zabol, P.O. Box. 35856-98613, Islamic Republic of Iran
| | - John F. Trant
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, ON, N9B 3P4, Canada
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24
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Zhang K, Xing J, Chen J, Wang Z, Zhai J, Yao T, Tan G, Qi S, Chen D, Yu P, Ning C. A spatially varying charge model for regulating site-selective protein adsorption and cell behaviors. Biomater Sci 2019; 7:876-888. [PMID: 30556087 DOI: 10.1039/c8bm01158c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Implanted materials that enter the body first interact with proteins in body fluids, and cells then perceive and respond to the foreign implant through this layer of adsorbed proteins. Thus, spatially specific regulation of protein adsorption on an implant surface is pivotal for mediating subsequent cellular behaviors. Unlike the surface modulation strategy for traditional biomaterials, in this research, materials with a nonuniform spatial distribution of surface charges were designed to achieve site-selective protein adsorption and further influence cell behavior by charge regulation. Spatially varying microdomains with different levels of piezoelectricity were generated via a focus laser beam-induced phase transition. In addition, after polarization, the zones with different levels of piezoelectricity showed significant differences in surface charge density. The results of scanning Kelvin probe force microscopy (SKPM) showed that the surface charge on the material exhibits a nonuniform spatial distribution after laser irradiation and polarization. Site-specific charge-mediated selective protein adsorption was demonstrated through a protein adsorption experiment. Cell behavior analysis showed that the increase in charge density was conducive to promoting cell adhesion and the formation of filopodia while the nonuniform spatial distribution of charge promoted an oriented arrangement of cells; both features accelerated cell migration. This study provides a new method for spatially regulating protein adsorption through surface charges to further influence cell behaviors.
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Affiliation(s)
- Kejia Zhang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, P. R. China
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25
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Delgado JD, Surmaitis RL, Abou Shaheen S, Schlenoff JB. Engineering Thiolated Surfaces with Polyelectrolyte Multilayers. ACS APPLIED MATERIALS & INTERFACES 2019; 11:3524-3535. [PMID: 30620554 DOI: 10.1021/acsami.8b15514] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Interfaces bearing firmly attached thiol groups are useful for many applications requiring the versatile and facile chemistry of the -SH functionality. In this work, rugged ultrathin films were prepared on substrates using layer-by-layer assembly. The surface of these smooth films was capped with a co-polymer containing benzyl mercaptan units. The utility of this coating was illustrated by three applications. First, thiol-ene "click" chemistry was used to introduce the Arg-Gly-Asp (RGD) adhesive peptide sequence on a surface that otherwise resisted good adhesion of fibroblasts. This treatment promoted cell adhesion and spreading. Similar Michael addition chemistry was employed to attach poly(ethylene glycol) to the surface, which reduced fouling by (adhesion of) serum albumin. Finally, the affinity of gold for -SH was exploited by depositing a layer of gold nanoparticles on the thiolated surface or by evaporating a tenacious film of gold without using the classical chromium "primer" layer.
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Affiliation(s)
- Jose D Delgado
- Department of Chemistry and Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
| | - Richard L Surmaitis
- Department of Chemistry and Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
| | - Samir Abou Shaheen
- Department of Chemistry and Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
| | - Joseph B Schlenoff
- Department of Chemistry and Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
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26
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Jiang T, Zajforoushan Moghaddam S, Thormann E. PPEGMEMA-based cationic copolymers designed for layer-by-layer assembly. RSC Adv 2019; 9:26915-26926. [PMID: 35528594 PMCID: PMC9070437 DOI: 10.1039/c9ra05464b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 08/22/2019] [Indexed: 02/04/2023] Open
Abstract
We have synthesized three PPEGMEMA-based cationic copolymers with similar amine contents but with systematic variation in the average length of the PEG side chains. The positively charged copolymers were paired with alginate to fabricate layer-by-layer assembled multilayered films. It was demonstrated that the polymeric design, in terms of the systematic variation in the average length of the PEG units, affects the polyelectrolyte multilayer growth mechanism and can be used to tune the structural properties and the water content of the layers. In addition, by partial cross-linking of the amine groups present in the copolymer backbone, disintegration of the film induced by pH changes was prevented. Finally, it was demonstrated how the cross-linked multilayered film can exhibit cationic, zwitterionic and anionic properties depending on the pH value and how these changes are associated with swelling, layer contraction and changes in water content. PPEGMEMA-based cationic copolymers were synthesized and utilized in a layer-by-layer assembly process to prepare a multilayered film. Film properties were tuned with systematic variation in the average length of the PEG side chains.![]()
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Affiliation(s)
- Tao Jiang
- Department of Chemistry
- Technical University of Denmark
- Denmark
| | | | - Esben Thormann
- Department of Chemistry
- Technical University of Denmark
- Denmark
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27
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Zappi D, Coria-Oriundo LL, Piccinini E, Gramajo M, von Bilderling C, Pietrasanta LI, Azzaroni O, Battaglini F. The effect of ionic strength and phosphate ions on the construction of redox polyelectrolyte–enzyme self-assemblies. Phys Chem Chem Phys 2019; 21:22947-22954. [DOI: 10.1039/c9cp04037d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The type and concentration of ions present in a solution containing an electroactive polyelectrolyte shape its configuration, adsorption, and electrochemical response.
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Affiliation(s)
- Daniele Zappi
- INQUIMAE (CONICET)
- Departamento de Química Inorgánica
- Analítica y Química Física
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
| | - Lucy L. Coria-Oriundo
- INQUIMAE (CONICET)
- Departamento de Química Inorgánica
- Analítica y Química Física
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
| | - Esteban Piccinini
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- (UNLP, CONICET)
- 1900 La Plata
- Argentina
| | - Marcos Gramajo
- INQUIMAE (CONICET)
- Departamento de Química Inorgánica
- Analítica y Química Física
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
| | - Catalina von Bilderling
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- (UNLP, CONICET)
- 1900 La Plata
- Argentina
- Departamento de Física
| | - Lía I. Pietrasanta
- Departamento de Física
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
- C1428EHA Buenos Aires
- Argentina
| | - Omar Azzaroni
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)
- (UNLP, CONICET)
- 1900 La Plata
- Argentina
| | - Fernando Battaglini
- INQUIMAE (CONICET)
- Departamento de Química Inorgánica
- Analítica y Química Física
- Facultad de Ciencias Exactas y Naturales
- Universidad de Buenos Aires
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28
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Delgado JD, Surmaitis RL, Arias CJ, Schlenoff JB. Surface sulfonates lock serum albumin into a “hard” corona. Biomater Sci 2019; 7:3213-3225. [DOI: 10.1039/c9bm00475k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Albumin is more easily displaced on a surface bearing carboxylate compared to sulfonate functionality, which controls the composition of the eventual protein corona.
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Affiliation(s)
- Jose D. Delgado
- Department of Chemistry and Biochemistry
- Florida State University
- Tallahassee
- USA
| | | | - Carlos J. Arias
- Department of Chemistry and Biochemistry
- Florida State University
- Tallahassee
- USA
| | - Joseph B. Schlenoff
- Department of Chemistry and Biochemistry
- Florida State University
- Tallahassee
- USA
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29
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Müller M, Urban B, Schwarz S. Biorelated Polyelectrolyte Coatings Studied by in Situ Attenuated Total Reflection-Fourier Transform Infrared Spectroscopy: Deposition Concepts, Wet Adhesiveness, and Biomedical Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:8129-8144. [PMID: 29923406 DOI: 10.1021/acs.langmuir.8b00897] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this conceptual contribution, thin functional coatings consisting of either pure polyelectrolytes (PELs) or complexes between oppositely charged PELs at model and applied substrates are outlined. Latter PEL/PEL complexes were deposited by two concepts. In a first well-known concept, PEL multilayers (PEM) were consecutively deposited according to the layer-by-layer (LbL) technique. In a second less known concept, PEL complex (PEC) nanoparticles (NPs) preformed by mixing polycation (PC) and polyanion (PA) solutions were deposited in one step. Both concepts based on binary oppositely charged PELs are compared to one based on a single polycation system. Examples shall be given on adhesiveness, nanostructure, and biomedical applications of PEM and PEC NP coatings. In situ attenuated total reflection (ATR) infrared (IR) spectroscopy, circular dichroism (CD), and scanning force microscopy (SFM) were used for molecular, optical, and microscopic characterization. At first, results on the adsorbed amount and wet adhesiveness of pure (single-component) PEL coatings as a function of charge density are given to motivate coatings of mixed oppositely charged PELs. Second, the wet adhesiveness of PEM and PEC NP coatings of identical PEL compounds in aqueous media varying the molar charge ratio ( n-/ n+) and the deposition step z, respectively, is compared. Upon comparing the three PEL deposition concepts, it is suggested that the lack or absence of excess charge at the PEL/surface interface is one of the main factors for the wet adhesiveness of all pure PEL, PEM, and PEC NP coatings. Finally, the potential of PEM and PEC NP coatings for biomedical applications is outlined. Concerning biopassivation, PEM coatings excessed or terminated by PA repel proteins with low isoelectric points. Concerning bioactivation, PEM coatings loaded with antibiotics as well as PEC NP coatings loaded with therapeutic bisphosphonates showed retarded, optionally temperature responsive drug release for applications in acute surgery and bone healing, and immunoglobulin/PEL complex coatings might open theranostic applications.
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Affiliation(s)
- Martin Müller
- Leibniz-Institut für Polymerforschung Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
- Technische Universität Dresden , FR Chemie und Lebensmittelchemie , 01062 Dresden , Germany
| | - Birgit Urban
- Leibniz-Institut für Polymerforschung Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
| | - Simona Schwarz
- Leibniz-Institut für Polymerforschung Dresden e.V. , Hohe Str. 6 , 01069 Dresden , Germany
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30
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Winther AK, Fejerskov B, ter Meer M, Jensen NB, Dillion R, Schaffer JE, Chandrawati R, Stevens MM, Schultze Kool LJ, Simonsen U, Zelikin AN. Enzyme Prodrug Therapy Achieves Site-Specific, Personalized Physiological Responses to the Locally Produced Nitric Oxide. ACS APPLIED MATERIALS & INTERFACES 2018; 10:10741-10751. [PMID: 29570264 PMCID: PMC5887086 DOI: 10.1021/acsami.8b01658] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 03/15/2018] [Indexed: 05/23/2023]
Abstract
Nitric oxide (NO) is a highly potent but short-lived endogenous radical with a wide spectrum of physiological activities. In this work, we developed an enzymatic approach to the site-specific synthesis of NO mediated by biocatalytic surface coatings. Multilayered polyelectrolyte films were optimized as host compartments for the immobilized β-galactosidase (β-Gal) enzyme through a screen of eight polycations and eight polyanions. The lead composition was used to achieve localized production of NO through the addition of β-Gal-NONOate, a prodrug that releases NO following enzymatic bioconversion. The resulting coatings afforded physiologically relevant flux of NO matching that of the healthy human endothelium. The antiproliferative effect due to the synthesized NO in cell culture was site-specific: within a multiwell dish with freely shared media and nutrients, a 10-fold inhibition of cell growth was achieved on top of the biocatalytic coatings compared to the immediately adjacent enzyme-free microwells. The physiological effect of NO produced via the enzyme prodrug therapy was validated ex vivo in isolated arteries through the measurement of vasodilation. Biocatalytic coatings were deposited on wires produced using alloys used in clinical practice and successfully mediated a NONOate concentration-dependent vasodilation in the small arteries of rats. The results of this study present an exciting opportunity to manufacture implantable biomaterials with physiological responses controlled to the desired level for personalized treatment.
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Affiliation(s)
- Anna K. Winther
- Department
of Chemistry, Department of Biomedicine, and iNano Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus 8000, Denmark
| | - Betina Fejerskov
- Department
of Chemistry, Department of Biomedicine, and iNano Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus 8000, Denmark
| | - Marja ter Meer
- Department of Radiology and Nuclear Medicine 766, Radboud University Medical Center, Nijmegen 6525, The Netherlands
| | - Najah B.S. Jensen
- Department
of Chemistry, Department of Biomedicine, and iNano Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus 8000, Denmark
| | - Ross Dillion
- Fort Wayne Metals, Research and Development, Fort Wayne 46809, Indiana, United States
| | - Jeremy E. Schaffer
- Fort Wayne Metals, Research and Development, Fort Wayne 46809, Indiana, United States
| | - Rona Chandrawati
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical
Engineering, Imperial College London, London SW7 2AZ, U.K.
| | - Molly M. Stevens
- Department
of Materials, Department of Bioengineering, and Institute of Biomedical
Engineering, Imperial College London, London SW7 2AZ, U.K.
| | - Leo J. Schultze Kool
- Department of Radiology and Nuclear Medicine 766, Radboud University Medical Center, Nijmegen 6525, The Netherlands
| | - Ulf Simonsen
- Department
of Chemistry, Department of Biomedicine, and iNano Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus 8000, Denmark
| | - Alexander N. Zelikin
- Department
of Chemistry, Department of Biomedicine, and iNano Interdisciplinary Nanoscience Centre, Aarhus University, Aarhus 8000, Denmark
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31
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Surmaitis RL, Arias CJ, Schlenoff JB. Stressful Surfaces: Cell Metabolism on a Poorly Adhesive Substrate. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:3119-3125. [PMID: 29457460 DOI: 10.1021/acs.langmuir.7b04172] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The adhesion and proliferation of cells are exquisitely sensitive to the nature of the surface to which they attach. Aside from cell counting, cell "health" on surfaces is typically established by measuring the metabolic rate with dyes that participate in the metabolic pathway or using "live/dead" assays with combinations of membrane permeable/impermeable dyes. The binary information gleaned from these tests-whether cells are attached or not, and whether they are living or dead-provides an incomplete picture of cell health. In the present work, proliferation rates and net metabolism of 3T3 fibroblasts seeded on "biocompatible" ultrathin polyelectrolyte multilayer films and on control tissue culture plastic were compared. Cells adhered to, and proliferated on, both surfaces, which were shown to be nontoxic according to live/dead assays. However, adhesion was poorer on the multilayer surface, illustrated by diffuse organization of the actin cytoskeleton and less-developed focal adhesions. Proliferation was also slower on the multilayer. When normalized for the total number of cells, it was shown that cells on multilayers experienced a five-day burst of metabolic stress, after which the metabolic rate approached that of the control surface. This initial state of high stress has not been reported or appreciated in studies of cell growth on multilayers, although the observation period for this system is usually a few days.
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Affiliation(s)
- Richard L Surmaitis
- Department of Chemistry & Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
| | - Carlos J Arias
- Department of Chemistry & Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
| | - Joseph B Schlenoff
- Department of Chemistry & Biochemistry , The Florida State University , Tallahassee , Florida 32306 , United States
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Guo S, Pranantyo D, Kang ET, Loh XJ, Zhu X, Jańczewski D, Neoh KG. Dominant Albumin-Surface Interactions under Independent Control of Surface Charge and Wettability. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:1953-1966. [PMID: 29319318 DOI: 10.1021/acs.langmuir.7b04117] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Understanding protein adsorption behaviors on solid surfaces constitutes an important step toward development of efficacious and biocompatible medical devices. Both surface charge and wettability have been shown to influence protein adsorption attributes, including kinetics, quantities, deformation, and reversibility. However, determining the dominant interaction in these surface-induced phenomena is challenging because of the complexity of inter-related mechanisms at the liquid/solid interface. Herein, we reveal the dominant interfacial forces in these essential protein adsorption attributes under the influence of a combination of surface charge and wettability, using quartz crystal microbalance with dissipation monitoring and atomic force microscopy-based force spectroscopy on a series of model surfaces. These surfaces were fabricated via layer-by-layer assembly, which allowed two-dimensional control of surface charge and wettability with minimal cross-parameter dependency. We focused on a soft globular protein, bovine serum albumin (BSA), which is prone to conformational changes during adsorption. The information obtained from the two techniques shows that both surface charge and hydrophobicity can increase the protein-surface interaction forces and the adsorbed amount. However, surface hydrophobicity triggered a greater extent of deformation in the adsorbed BSA molecules, leading to more dehydration, spreading, and resistance to elution by ionic strength changes regardless of the surface charge. The role played by the surface charge in the adsorbed protein conformation and extent of desorption induced by changes in the ionic strength is secondary to that of surface hydrophobicity. These findings advance the understanding of how surface chemistry and properties can be tailored for directing protein-substrate interactions.
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Affiliation(s)
- Shanshan Guo
- NUS Graduate School for Integrative Science and Engineering, National University of Singapore , Kent Ridge, 117576, Singapore
| | - Dicky Pranantyo
- Department of Chemical and Biomolecular Engineering, National University of Singapore , 4 Engineering Drive 4, 119260, Singapore
| | - En-Tang Kang
- Department of Chemical and Biomolecular Engineering, National University of Singapore , 4 Engineering Drive 4, 119260, Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research) , 2 Fusionopolis Way, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore , 9 Engineering Drive 1, 117576, Singapore
- Singapore Eye Research Institute , 11 Third Hospital Avenue, 168751, Singapore
| | - Xiaoying Zhu
- Department of Environmental Science, Zhejiang University , Hangzhou 310058, China
| | - Dominik Jańczewski
- Laboratory of Technological Processes, Faculty of Chemistry, Warsaw University of Technology , Noakowskiego 3, 00-664 Warsaw, Poland
| | - Koon Gee Neoh
- NUS Graduate School for Integrative Science and Engineering, National University of Singapore , Kent Ridge, 117576, Singapore
- Department of Chemical and Biomolecular Engineering, National University of Singapore , 4 Engineering Drive 4, 119260, Singapore
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Prakash P, Pahal S, Varma M. Fluorescence Recovery after Photobleaching in Ultrathin Polymer Films. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201700543] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Praneet Prakash
- Center for Nano Science and Engineering; Indian Institute of Science; Bangalore 560012 India
| | - Suman Pahal
- Center for Nano Science and Engineering; Indian Institute of Science; Bangalore 560012 India
| | - Manoj Varma
- Center for Nano Science and Engineering; Indian Institute of Science; Bangalore 560012 India
- Robert Bosch Centre for Cyber Physical Systems; Indian Institute of Science; Bangalore 560012 India
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He T, Jańczewski D, Guo S, Man SM, Jiang S, Tan WS. Stable pH responsive layer-by-layer assemblies of partially hydrolysed poly(2-ethyl-2-oxazoline) and poly(acrylic acid) for effective prevention of protein, cell and bacteria surface attachment. Colloids Surf B Biointerfaces 2018; 161:269-278. [DOI: 10.1016/j.colsurfb.2017.10.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 09/05/2017] [Accepted: 10/10/2017] [Indexed: 12/21/2022]
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Osypova A, Fustin CA, Pradier CM, Landoulsi J, Demoustier-Champagne S. Factors impacting protein adsorption on layer-by-layer assembled stimuli-responsive thin films. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.08.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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36
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Mattotti M, Alvarez Z, Delgado L, Mateos-Timoneda MA, Aparicio C, Planell JA, Alcántara S, Engel E. Differential neuronal and glial behavior on flat and micro patterned chitosan films. Colloids Surf B Biointerfaces 2017; 158:569-577. [DOI: 10.1016/j.colsurfb.2017.07.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 07/04/2017] [Accepted: 07/17/2017] [Indexed: 11/15/2022]
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Narayanan Nair AK, Martinez Jimenez A, Sun S. Complexation Behavior of Polyelectrolytes and Polyampholytes. J Phys Chem B 2017; 121:7987-7998. [DOI: 10.1021/acs.jpcb.7b04582] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Arun Kumar Narayanan Nair
- Physical Science and Engineering
Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Arturo Martinez Jimenez
- Physical Science and Engineering
Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Shuyu Sun
- Physical Science and Engineering
Division (PSE), Computational Transport Phenomena Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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Silva C, Martins M, Jing S, Fu J, Cavaco-Paulo A. Practical insights on enzyme stabilization. Crit Rev Biotechnol 2017; 38:335-350. [PMID: 28764566 DOI: 10.1080/07388551.2017.1355294] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Enzymes are efficient catalysts designed by nature to work in physiological environments of living systems. The best operational conditions to access and convert substrates at the industrial level are different from nature and normally extreme. Strategies to isolate enzymes from extremophiles can redefine new operational conditions, however not always solving all industrial requirements. The stability of enzymes is therefore a key issue on the implementation of the catalysts in industrial processes which require the use of extreme environments that can undergo enzyme instability. Strategies for enzyme stabilization have been exhaustively reviewed, however they lack a practical approach. This review intends to compile and describe the most used approaches for enzyme stabilization highlighting case studies in a practical point of view.
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Affiliation(s)
- Carla Silva
- a Centre of Biological Engineering (CEB) , University of Minho , Braga , Portugal
| | - Madalena Martins
- a Centre of Biological Engineering (CEB) , University of Minho , Braga , Portugal
| | - Su Jing
- b International Joint Research Laboratory for Textile and Fiber Bioprocesses , Jiangnan University , Wuxi , China
| | - Jiajia Fu
- c Key Laboratory of Science and Technology of Eco-Textiles , Ministry of Education, Jiangnan University , Wuxi , Jiangsu , China
| | - Artur Cavaco-Paulo
- a Centre of Biological Engineering (CEB) , University of Minho , Braga , Portugal.,b International Joint Research Laboratory for Textile and Fiber Bioprocesses , Jiangnan University , Wuxi , China
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Hu C, Qu Y, Zhan W, Wei T, Cao L, Yu Q, Chen H. A supramolecular bioactive surface for specific binding of protein. Colloids Surf B Biointerfaces 2017; 152:192-198. [DOI: 10.1016/j.colsurfb.2017.01.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 01/04/2017] [Accepted: 01/14/2017] [Indexed: 12/17/2022]
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Lai X, Gao G, Watanabe J, Liu H, Shen H. Hydrophilic Polyelectrolyte Multilayers Improve the ELISA System: Antibody Enrichment and Blocking Free. Polymers (Basel) 2017; 9:polym9020051. [PMID: 30970737 PMCID: PMC6432497 DOI: 10.3390/polym9020051] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 01/17/2017] [Accepted: 01/24/2017] [Indexed: 11/23/2022] Open
Abstract
In this study, polyelectrolyte multilayers were fabricated on a polystyrene (PS) plate using a Layer-by-Layer (LbL) self-assembly technique. The resulting functional platform showed improved performance compared with conventional enzyme-linked immunosorbent assay (ELISA) systems. Poly(diallyldimethylammonium chloride) (PDDA) and poly(acrylic acid) (PAA) were used as cationic and anionic polyelectrolytes. On the negatively-charged (PDDA/PAA)3 polyelectrolyte multilayers the hydrophilic PAA surface could efficiently decrease the magnitude of the noise signal, by inhibiting nonspecific adsorption even without blocking reagent adsorption. Moreover, the (PDDA/PAA)3 substrate covalently immobilized the primary antibody, greatly increasing the amount of primary antibody adsorption and enhancing the specific detection signal compared with a conventional PS plate. The calibration curve of the (PDDA/PAA)3 substrate showed a wide linear range, for concentrations from 0.033 to 33 nM, a large specific signal change, and a detection limit of 33 pM, even though the conventional blocking reagent adsorption step was omitted. The (PDDA/PAA)3 substrate provided a high-performance ELISA system with a simple fabrication process and high sensitivity; the system presented here shows potential for a variety of immunosensor applications.
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Affiliation(s)
- Xing Lai
- Beijing Key Laboratory of Bioprocess, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing Laboratory of Biomedical Materials, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Gan Gao
- Beijing Key Laboratory of Bioprocess, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing Laboratory of Biomedical Materials, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Junji Watanabe
- Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Higashinada, Kobe 658-8501, Japan.
| | - Huiyu Liu
- Beijing Key Laboratory of Bioprocess, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing Laboratory of Biomedical Materials, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Heyun Shen
- Beijing Key Laboratory of Bioprocess, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing Laboratory of Biomedical Materials, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
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41
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Buriuli M, Verma D. Polyelectrolyte Complexes (PECs) for Biomedical Applications. ADVANCED STRUCTURED MATERIALS 2017. [DOI: 10.1007/978-981-10-3328-5_2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Wei T, Zhan W, Cao L, Hu C, Qu Y, Yu Q, Chen H. Multifunctional and Regenerable Antibacterial Surfaces Fabricated by a Universal Strategy. ACS APPLIED MATERIALS & INTERFACES 2016; 8:30048-30057. [PMID: 27759376 DOI: 10.1021/acsami.6b11187] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Development of a versatile strategy for antibacterial surfaces is of great scientific interest and practical significance. However, few methods can be used to fabricate antibacterial surfaces on substrates of different chemistries and structures. In addition, traditional antibacterial surfaces may suffer problems related to the attached dead bacteria. Herein, antibacterial surfaces with multifunctionality and regenerability are fabricated by a universal strategy. Various substrates are first deposited with multilayered films containing guest moieties, which can be further used to incorporate biocidal host molecules, β-cyclodextrin (β-CD) derivatives modified with quaternary ammonium salt groups (CD-QAS). The resulting surfaces exhibit strong biocidal activity to kill more than 95% of attached pathogenic bacteria. Notably, almost all the dead bacteria can be easily removed from the surfaces by simple immersion in sodium dodecyl sulfate, and the regenerated surfaces can be treated with new CD-QAS for continued use. Moreover, when another functional β-CD derivative molecule is co-incorporated together with CD-QAS, the surfaces exhibit both functions simultaneously, and neither specific biofunction and antibacterial activity is compromised by the presence of the other. These results thus present a promising way to fabricate multifunctional and regenerable antibacterial surfaces on diverse materials and devices in the biomedical fields.
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Affiliation(s)
- Ting Wei
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Wenjun Zhan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Limin Cao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Changming Hu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Yangcui Qu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Qian Yu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
| | - Hong Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University , 199 Ren'ai Road, Suzhou 215123, People's Republic of China
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43
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D. M, Jaganathan M, Dhathathreyan A, Miller R. Balancing soft elasticity and low surface polarity in films of charged BSA capsules at air/fluid interface. Colloids Surf B Biointerfaces 2016; 146:161-70. [DOI: 10.1016/j.colsurfb.2016.06.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 06/01/2016] [Accepted: 06/03/2016] [Indexed: 02/03/2023]
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44
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KUMOREK M, KUBIES D, RIEDEL T. Protein Interactions With Quaternized Chitosan/Heparin Multilayers. Physiol Res 2016; 65:S253-S261. [DOI: 10.33549/physiolres.933427] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Understanding the behavior of single proteins at the polyelectrolyte multilayer film/solution interface is of prime importance for the designing of bio-functionalized surface coatings. In the present paper, we study the adsorption of the model proteins, albumin and lysozyme, as well as basic fibroblast growth factor (FGF-2) on a polysaccharide multilayer film composed of quaternized chitosan and heparin. Several analytical methods were used to describe the formation of the polysaccharide film and its interactions with the proteins. Both albumin and lysozyme adsorbed on quaternized chitosan/heparin films, however this process strongly depended on the terminating polysaccharide. Protein adsorption was driven mainly by electrostatic interactions between protein and the terminal layer of the film. The effective binding of FGF-2 by the heparin-terminated film suggested that other interactions could also contribute to the adsorption process. We believe that this FGF-2-presenting polysaccharide film may serve as a biofunctional surface coating for biologically-related applications.
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Affiliation(s)
- M. KUMOREK
- Department of Bioactive Polymers, Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | - D. KUBIES
- Department of Bioactive Polymers, Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Prague, Czech Republic
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45
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Fan Y, Pan X, Wang K, Wu S, Han H, Yang P, Luo R, Wang H, Huang N, Tan W, Weng Y. Influence of chirality on catalytic generation of nitric oxide and platelet behavior on selenocystine immobilized TiO2 films. Colloids Surf B Biointerfaces 2016; 145:122-129. [PMID: 27153116 PMCID: PMC4947556 DOI: 10.1016/j.colsurfb.2016.04.043] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 04/07/2016] [Accepted: 04/21/2016] [Indexed: 11/17/2022]
Abstract
As nitric oxide (NO) plays vital roles in the cardiovascular system, incorporating this molecule into cardiovascular stents is considered as an effective method. In the present study, selenocystine with different chirality (i.e., l- and d-selenocystine) was used as the catalytic molecule immobilized on TiO2 films for decomposing endogenous NO donor. The influences of surface chirality on NO release and platelet behavior were evaluated. Results show that although the amount of immobilized l-selenocystine on the surface was nearly the same as that of immobilized d-selenocystine, in vitro catalytic NO release tests showed that l-selenocystine immobilized surfaces were more capable of catalyzing the decomposition of S-nitrosoglutathione and thus generating more NO. Accordingly, l-selenocystine immobilized surfaces demonstrated significantly increased inhibiting effects on the platelet adhesion and activation, when compared to d-selenocystine immobilized ones. Measurement of the cGMP concentration of platelets further confirmed that surface chirality played an important role in regulating NO generation and platelet behaviors. Additionally, using bovine serum albumin and fibrinogen as model proteins, the protein adsorption determined with quartz crystal microbalance showed that the l-selenocystine immobilized surface enhanced protein adsorption. In conclusion, surface chirality significantly influences protein adsorption and NO release, which may have significant implications in the design of NO-generating cardiovascular stents.
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Affiliation(s)
- Yonghong Fan
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Xiaxin Pan
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Ke Wang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Sisi Wu
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Honghong Han
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Ping Yang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Rifang Luo
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Hong Wang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Nan Huang
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Wei Tan
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, USA
| | - Yajun Weng
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China; School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
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Lu L, Yuan L, Yan J, Tang C, Wang Q. Development of Core–Shell Nanostructures by In Situ Assembly of Pyridine-Grafted Diblock Copolymer and Transferrin for Drug Delivery Applications. Biomacromolecules 2016; 17:2321-8. [DOI: 10.1021/acs.biomac.6b00032] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lin Lu
- Department of Chemistry and
Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Liang Yuan
- Department of Chemistry and
Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Jing Yan
- Department of Chemistry and
Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Chuanbing Tang
- Department of Chemistry and
Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Qian Wang
- Department of Chemistry and
Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
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Yang JM, Tsai RZ, Hsu CC. Protein adsorption on polyanion/polycation layer-by-layer assembled polyelectrolyte films. Colloids Surf B Biointerfaces 2016; 142:98-104. [DOI: 10.1016/j.colsurfb.2016.02.039] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 02/12/2016] [Accepted: 02/16/2016] [Indexed: 12/27/2022]
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Arias CJ, Surmaitis RL, Schlenoff JB. Cell Adhesion and Proliferation on the "Living" Surface of a Polyelectrolyte Multilayer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:5412-5421. [PMID: 27191244 DOI: 10.1021/acs.langmuir.6b00784] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The adhesion of living eukaryotic cells to a substrate, one of the most complex problems in surface science, requires adsorption of extracellular proteins such as fibronectin. Thin films of polyelectrolyte complex made layer-by-layer (polyelectrolyte multilayers or PEMUs) offer a high degree of control of surface charge and composition-interconnected and essential variables for protein adhesion. Fibroblasts grown on multilayers of poly(styrenesulfonate), PSS, and poly(diallyldimethylammonium), PDADMA, with increasing thickness exhibit good adhesion until the 12th layer of polyelectrolyte has been added, whereupon there is a sudden transition to nonadhesive behavior. This sharp change is due to the migration of excess positive charge to the surface-a previously unrecognized property of PEMUs. Precise radiotracer assays of adsorbed (125)I-albumin show how protein adsorption is related to multilayer surface charge. With more negative surface charge density from the sulfonates of PSS, more albumin adsorbs to the surface. However, a loosely held or "soft corona" exchanges with serum protein under the Vroman effect, which is correlated with poor cell adhesion. A comprehensive view of cell adhesion highlights the central role of robust protein adhesion, which is required before any secondary effects of matrix stiffness on cell fate can come into play.
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Affiliation(s)
- Carlos J Arias
- Department of Chemistry and Biochemistry, The Florida State University , Tallahassee, Florida 32306, United States
| | - Richard L Surmaitis
- Department of Chemistry and Biochemistry, The Florida State University , Tallahassee, Florida 32306, United States
| | - Joseph B Schlenoff
- Department of Chemistry and Biochemistry, The Florida State University , Tallahassee, Florida 32306, United States
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Wijeratne S, Liu W, Dong J, Ning W, Ratnayake ND, Walker KD, Bruening ML. Layer-by-Layer Deposition with Polymers Containing Nitrilotriacetate, A Convenient Route to Fabricate Metal- and Protein-Binding Films. ACS APPLIED MATERIALS & INTERFACES 2016; 8:10164-10173. [PMID: 27042860 DOI: 10.1021/acsami.6b00896] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This paper describes a convenient synthesis of nitrilotriacetate (NTA)-containing polymers and subsequent layer-by-layer adsorption of these polymers on flat surfaces and in membrane pores. The resulting films form NTA-metal-ion complexes and capture 2-3 mmol of metal ions per mL of film. Moreover, these coatings bind multilayers of polyhistidine-tagged proteins through association with NTA-metal-ion complexes. Inclusion of acrylic acid repeat units in NTA-containing copolymers promotes swelling to increase protein binding in films on Au-coated wafers. Adsorption of NTA-containing films in porous nylon membranes gives materials that capture ∼46 mg of His-tagged ubiquitin per mL. However, the binding capacity decreases with the protein molecular weight. Due to the high affinity of NTA for metal ions, the modified membranes show modest leaching of Ni(2+) in binding and rinsing buffers. Adsorption of NTA-containing polymers is a simple method to create metal- and protein-binding films and may, with future enhancement of stability, facilitate development of disposable membranes that rapidly purify tagged proteins.
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Affiliation(s)
- Salinda Wijeratne
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | - Weijing Liu
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | - Jinlan Dong
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | - Wenjing Ning
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | | | - Kevin D Walker
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | - Merlin L Bruening
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
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50
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Greene GW, Duffy E, Shallan A, Wuethrich A, Paull B. Electrokinetic Properties of Lubricin Antiadhesive Coatings in Microfluidic Systems. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:1899-1908. [PMID: 26814794 DOI: 10.1021/acs.langmuir.5b03535] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Lubricin is a glycoprotein found in articular joints which has long been recognized as being an important biological boundary lubricant molecule and, more recently, an impressive antiadhesive that readily self-assembles into a well ordered, polymer brush layer on virtually any substrate. The lubricin molecule possesses an overabundance of anionic charge, a property that is atypical among antiadhesive molecules, that enables its use as a coating for applications involving electrokinetic processes such as electrophoresis and electroosmosis. Coating the surfaces of silica and polymeric microfluidic devices with self-assembled lubricin coatings affords a unique combination of excellent fouling resistance and high charge density that enables notoriously "sticky" biomolecules such as proteins to be used and controlled electrokinetically in the device without complications arising from nonspecific adsorption. Using capillary electrophoresis, we characterized the stability, uniformity, and electrokinetic properties of lubricin coatings applied to silica and PTFE capillaries over a range of run buffer pHs and when exposed to concentrated solutions of protein. In addition, we demonstrate the effectiveness of lubricin as a coating to minimize nonspecific protein adsorption in an electrokinetically controlled polydimethylsiloxane/silica microfluidic device.
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Affiliation(s)
- George W Greene
- Institute for Frontier Materials and ARC Centre of Excellence for Electromaterials Science, Deakin University , Geelong, VIC Australia
| | - Emer Duffy
- Australian Centre for Research on Separation Science, and ARC Centre of Excellence for Electromaterials Science, School of Physical Sciences, University of Tasmania , Hobart, Australia
| | - Aliaa Shallan
- Australian Centre for Research on Separation Science, and ARC Centre of Excellence for Electromaterials Science, School of Physical Sciences, University of Tasmania , Hobart, Australia
| | - Alain Wuethrich
- Australian Centre for Research on Separation Science, and ARC Centre of Excellence for Electromaterials Science, School of Physical Sciences, University of Tasmania , Hobart, Australia
| | - Brett Paull
- Australian Centre for Research on Separation Science, and ARC Centre of Excellence for Electromaterials Science, School of Physical Sciences, University of Tasmania , Hobart, Australia
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