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Xiong C, Xiong W, Mu Y, Pei D, Wan X. Mussel-inspired polymeric coatings with the antifouling efficacy controlled by topologies. J Mater Chem B 2022; 10:9295-9304. [PMID: 36345846 DOI: 10.1039/d2tb01851a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Block copolymers with different topologies (linear, loop, 3-armed and 4-armed polymers) containing poly(N-vinylpyrrrolidone) (PVP) antifouling blocks and terminal poly(dopamine-acrylamide) (PDAA) anchoring blocks were synthesized. These polymers can form a robust antifouling nanolayer on various surfaces. The morphologies of the polymer-modified surfaces are strongly dependent on the topologies of the polymers: with the increase of arm numbers, the morphology evolves from the smooth surface to the nanoscale coarse surface. As a result, the hydrophilicity of the coatings increases with the increase of degree of nanoscale roughness, and the 4-armed block copolymer forms a superhydrophilic surface with a water contact angle (WCA) as low as 8.7°. Accordingly, the linear diblock copolymer exhibits the worst antifouling efficiency, while the 4-armed polymer exhibits the best antifouling efficiency. This is the first example systematically showing that the antifouling efficacy could be adjusted simply by the topology of the coatings. Cell viability studies revealed that all of the copolymers exhibit excellent cytocompatibility. These biocompatible polymers with narrowly distributed molecular weight might find niches for antifouling applications in various areas such as anti-protein absorption, anti-bacterial and anti-marine fouling.
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Affiliation(s)
- Chenxi Xiong
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Optoelectronic Materials & Technology, Jianghan University, Wuhan 430056, P. R. China.
| | - Wenjuan Xiong
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Optoelectronic Materials & Technology, Jianghan University, Wuhan 430056, P. R. China.
| | - Youbing Mu
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Optoelectronic Materials & Technology, Jianghan University, Wuhan 430056, P. R. China.
| | - Danfeng Pei
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 210062, P. R. China.
| | - Xiaobo Wan
- Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Optoelectronic Materials & Technology, Jianghan University, Wuhan 430056, P. R. China.
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2
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Figueiredo AQ, Rodrigues CF, Fernandes N, de Melo-Diogo D, Correia IJ, Moreira AF. Metal-Polymer Nanoconjugates Application in Cancer Imaging and Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3166. [PMID: 36144953 PMCID: PMC9503975 DOI: 10.3390/nano12183166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Metallic-based nanoparticles present a unique set of physicochemical properties that support their application in different fields, such as electronics, medical diagnostics, and therapeutics. Particularly, in cancer therapy, the plasmonic resonance, magnetic behavior, X-ray attenuation, and radical oxygen species generation capacity displayed by metallic nanoparticles make them highly promising theragnostic solutions. Nevertheless, metallic-based nanoparticles are often associated with some toxicological issues, lack of colloidal stability, and establishment of off-target interactions. Therefore, researchers have been exploiting the combination of metallic nanoparticles with other materials, inorganic (e.g., silica) and/or organic (e.g., polymers). In terms of biological performance, metal-polymer conjugation can be advantageous for improving biocompatibility, colloidal stability, and tumor specificity. In this review, the application of metallic-polymer nanoconjugates/nanohybrids as a multifunctional all-in-one solution for cancer therapy will be summarized, focusing on the physicochemical properties that make metallic nanomaterials capable of acting as imaging and/or therapeutic agents. Then, an overview of the main advantages of metal-polymer conjugation as well as the most common structural arrangements will be provided. Moreover, the application of metallic-polymer nanoconjugates/nanohybrids made of gold, iron, copper, and other metals in cancer therapy will be discussed, in addition to an outlook of the current solution in clinical trials.
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Affiliation(s)
- André Q. Figueiredo
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Carolina F. Rodrigues
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Natanael Fernandes
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Duarte de Melo-Diogo
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Ilídio J. Correia
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - André F. Moreira
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
- CPIRN-UDI/IPG—Centro de Potencial e Inovação em Recursos Naturais, Unidade de Investigação para o Desenvolvimento do Interior do Instituto Politécnico da Guarda, Avenida Dr. Francisco de Sá Carneiro, No. 50, 6300-559 Guarda, Portugal
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3
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Li S, Shi X. 接枝高分子对纳米-生物界面粘附性能的调控研究进展. CHINESE SCIENCE BULLETIN-CHINESE 2022. [DOI: 10.1360/tb-2022-0449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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4
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Yoshida A, Kitayama Y, Hayakawa N, Mizukawa Y, Nishimura Y, Takano E, Sunayama H, Takeuchi T. Biocompatible polymer-modified gold nanocomposites of different shapes as radiation sensitizers. Biomater Sci 2022; 10:2665-2672. [PMID: 35420601 DOI: 10.1039/d2bm00174h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Radiation therapy is a powerful approach for cancer treatment due to its low invasiveness. The development of radiation sensitizers is of great importance as they assist in providing radiation therapy at a low dose. In this study, poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC)-modified gold nanocomposites of different shapes were created using the grafting-to approach to serve as a novel radiation sensitizer with high cellular uptake. The effect of the shape of the nanocomposite on cellular uptake by the breast cancer cell line MCF-7 was also investigated. The PMPC-modified gold nanostars showed the highest cellular uptake compared to the other gold nanocomposites (spheres and rods), whereas cell cytotoxicity was negligible among all candidates. Furthermore, the therapeutic effect of radiation of PMPC-modified nanostars was the highest among all the gold nanocomposites. These results clearly indicate that the shape of the gold nanocomposite is an important parameter for cellular uptake and radiation sensitizing effects in breast cancer cells.
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Affiliation(s)
- Aoi Yoshida
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan.
| | - Yukiya Kitayama
- Graduate School of Engineering, Osaka Prefecture University, 1-1, Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
| | - Natsuki Hayakawa
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan.
| | - Yuki Mizukawa
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan.
| | - Yuya Nishimura
- Graduate School of Science, Technology and Innovation, Kobe University, Nada-ku, Kobe 657-8501, Japan
| | - Eri Takano
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan.
| | - Hirobumi Sunayama
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan.
| | - Toshifumi Takeuchi
- Graduate School of Engineering, Kobe University, Nada-ku, Kobe 657-8501, Japan. .,Center for Advanced Medical Engineering Research & Development (CAMED), Kobe University, Chuo-ku, Kobe 650-0047, Japan
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Zhang M, Yu P, Xie J, Li J. Recent advances of zwitterionic based topological polymers for biomedical applications. J Mater Chem B 2022; 10:2338-2356. [PMID: 35212331 DOI: 10.1039/d1tb02323c] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zwitterionic polymers, comprising hydrophilic anionic and cationic groups with the same total number of positive and negative charges on the same monomer residue, have received increasing attention due to their...
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Affiliation(s)
- Miao Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer, Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P. R. China
- Med-X Center for Materials, Sichuan University, Chengdu 610041, P. R. China
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6
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Lin X, Shi J, Shi Z, Niwayama S. Hydrophobic and antifouling modification of graphene oxide with functionalized polynorbornene by surface-initiated ring-opening metathesis polymerization. NEW J CHEM 2022. [DOI: 10.1039/d1nj05935a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surface-initiated ring-opening metathesis polymerization (SI-ROMP), based on the design of hydrophobic and antifouling monomers, was employed for the synthesis of grafting-modified graphene oxide (GO).
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Affiliation(s)
- Xiaoxue Lin
- Key Laboratory of Water Pollution Treatment & Resource Reuse, Hainan Normal University, Haikou, Hainan 571158, P. R. China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, P. R. China
| | - Jianjun Shi
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, P. R. China
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1, Mizumoto-cho, Muroran, Hokkaido, 050-8585, Japan
| | - Zaifeng Shi
- Key Laboratory of Water Pollution Treatment & Resource Reuse, Hainan Normal University, Haikou, Hainan 571158, P. R. China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, Hainan 571158, P. R. China
| | - Satomi Niwayama
- Division of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1, Mizumoto-cho, Muroran, Hokkaido, 050-8585, Japan
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7
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Chen X, Ma Y, Gui Q, Hu S, Pan W, Lan Y, Zeng M, Zhou T, Su Z. An antifouling polymer for dynamic anti-protein adhesion analysis by a quartz crystal microbalance. Analyst 2021; 146:4636-4641. [PMID: 34169938 DOI: 10.1039/d1an00856k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Nowadays, the non-specific adsorption of biomolecules is a key issue in numerous fields. Herein, an improved antifouling molecule was synthesized by grafting phenol with oligopoly (ethylene glycol), named (4-(2-(2-ethoxyethoxy) ethoxy) phenol (EEP). An ideal antifouling polymer coating (PEEP) was synthesized by the mechanism of electropolymerization of phenol. Quartz crystal microbalance (QCM), a sensitive mass sensor, was used to dynamically monitor both the modification and anti-protein adhesion (with bovine serum albumin as the model) process. Quantitatively, less proteins were observed to adhere to the modified electrode (277.8 ng for bare GCE and 8.88 ng for the modified GCE). Fourier transform infrared spectrophotometry (FT-IR), scanning electron microscopy (SEM), and electrochemical methods were used to study the coatings in detail. In this study, EEP was synthesized for the electrochemical preparation of an antifouling coating and characterized by QCM and electrochemical methods. The mild preparation environment (lower potential window and in phosphate buffered saline) and one-step method enable potential applications of PEEP in the field of biomaterials and biosensors.
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Affiliation(s)
- Ximing Chen
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China.
| | - Yan Ma
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China. and Guangdong Dayuan Oasis Food Safety Technology Co., Ltd, Guangzhou 510000, PR China
| | - Qingwen Gui
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China.
| | - Shiyu Hu
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China.
| | - Weisong Pan
- Hunan Provincial Engineering Technology Research Center for Cell Mechanics and Function Analysis, Changsha 410128, PR China and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
| | - Yaqin Lan
- Hunan Provincial Engineering Technology Research Center for Cell Mechanics and Function Analysis, Changsha 410128, PR China and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
| | - Mei Zeng
- Hunan Provincial Engineering Technology Research Center for Cell Mechanics and Function Analysis, Changsha 410128, PR China and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
| | - Tiean Zhou
- Hunan Provincial Engineering Technology Research Center for Cell Mechanics and Function Analysis, Changsha 410128, PR China and College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
| | - Zhaohong Su
- College of Chemistry and Materials Science, Hunan Agricultural University, Changsha 410128, PR China. and Hunan Provincial Engineering Technology Research Center for Cell Mechanics and Function Analysis, Changsha 410128, PR China
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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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Yu K, Alzahrani A, Khoddami S, Ferreira D, Scotland KB, Cheng JTJ, Yazdani‐Ahmadabadi H, Mei Y, Gill A, Takeuchi LE, Yeung E, Grecov D, Hancock REW, Chew BH, Lange D, Kizhakkedathu JN. Self-Limiting Mussel Inspired Thin Antifouling Coating with Broad-Spectrum Resistance to Biofilm Formation to Prevent Catheter-Associated Infection in Mouse and Porcine Models. Adv Healthc Mater 2021; 10:e2001573. [PMID: 33470545 DOI: 10.1002/adhm.202001573] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 12/23/2020] [Indexed: 12/22/2022]
Abstract
Catheter-associated urinary tract infections (CAUTIs) are one of the most commonly occurring hospital-acquired infections. Current coating strategies to prevent catheter-associated biofilm formation are limited by their poor long-term efficiency and limited applicability to diverse materials. Here, the authors report a highly effective non-fouling coating with long-term biofilm prevention activity and is applicable to diverse catheters. The thin coating is lubricous, stable, highly uniform, and shows broad spectrum prevention of biofilm formation of nine different bacterial strains and prevents the migration of bacteria on catheter surface. The coating method is adapted to human-sized catheters (both intraluminal and extraluminal) and demonstrates long-term biofilm prevention activity over 30 days in challenging conditions. The coated catheters are tested in a mouse CAUTI model and demonstrate high efficiency in preventing bacterial colonization of both Gram-positive and Gram-negative bacteria. Furthermore, the coated human-sized Foley catheters are evaluated in a porcine CAUTI model and show consistent efficiency in reducing biofilm formation by Escherichia coli (E. coli) over 95%. The simplicity of the coating method, the ability to apply this coating on diverse materials, and the high efficiency in preventing bacterial adhesion increase the potential of this method for the development of next generation infection resistant medical devices.
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Affiliation(s)
- Kai Yu
- Centre for Blood Research and Department of Pathology & Laboratory Medicine University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Amal Alzahrani
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - Sara Khoddami
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - Demian Ferreira
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - Kymora B. Scotland
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - John T. J. Cheng
- Department of Microbiology and Immunology and Centre for Microbial Diseases and Immunity Research University of British Columbia Vancouver British Columbia V6T 1Z4 Canada
| | | | - Yan Mei
- Centre for Blood Research and Department of Pathology & Laboratory Medicine University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Arshdeep Gill
- Department of Chemistry University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Lily E. Takeuchi
- Centre for Blood Research and Department of Pathology & Laboratory Medicine University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Edbert Yeung
- Department of Mechanical Engineering University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Dana Grecov
- Department of Mechanical Engineering University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
| | - Robert E. W. Hancock
- Department of Microbiology and Immunology and Centre for Microbial Diseases and Immunity Research University of British Columbia Vancouver British Columbia V6T 1Z4 Canada
| | - Ben H. Chew
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - Dirk Lange
- The Stone Centre at VGH Department of Urologic Sciences University of British Columbia Vancouver British Columbia V5Z 1M9 Canada
| | - Jayachandran N. Kizhakkedathu
- Centre for Blood Research and Department of Pathology & Laboratory Medicine University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
- Department of Chemistry University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
- School of Biomedical Engineering University of British Columbia Vancouver British Columbia V6T 1Z3 Canada
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10
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Ueda T, Murakami D, Tanaka M. Effect of interfacial structure based on grafting density of poly(2-methoxyethyl acrylate) on blood compatibility. Colloids Surf B Biointerfaces 2020; 199:111517. [PMID: 33352490 DOI: 10.1016/j.colsurfb.2020.111517] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/17/2020] [Accepted: 12/04/2020] [Indexed: 01/09/2023]
Abstract
An excellent blood-compatible polymer, poly(2-methoxyethyl acrylate) (PMEA), exhibits nanometer-scale phase-separated structures at the interface with water or phosphate-buffered saline (PBS), and fibrinogen adsorption is suppressed, especially on the water-rich region. To understand the correlation between the interfacial structure based on the grafting density of PMEA and blood compatibility, grafted PMEA (gPMEA) surfaces with controlled density were prepared by immobilizing thiol-terminated PMEA on a gold substrate. The amount of adsorbed fibrinogen and the number of adhered platelets on gPMEAs decreased first with the increasing grafting density (σ), but increased after showed minimum at σ of approximately 0.11 chains/nm2. The interfacial structures of the gPMEA/PBS interface changed with grafting density, and the maximum area of water-rich region was obtained at σ = 0.11. The water contact angle at σ = 0.11 is smaller than that at the other grafting density. These results revealed that hydration to the polymer is very effective to suppress the platelet adhesion and water-rich region shows excellent blood compatibility on gPMEA surfaces. This work clearly indicated that the density of PMEA affects the interfacial structure and plays an important role in the blood compatibility of the material.
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Affiliation(s)
- Tomoya Ueda
- Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Daiki Murakami
- Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan; Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Masaru Tanaka
- Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan; Institute for Materials Chemistry and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
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11
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Antifouling silicone hydrogel contact lenses via densely grafted phosphorylcholine polymers. Biointerphases 2020; 15:041013. [PMID: 32867505 DOI: 10.1116/6.0000366] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Silicone hydrogel contact lenses (CLs) permit increased oxygen permeability through their incorporation of siloxane functional groups. However, contact lens biofouling can be problematic with these materials; surface modification to increase lens compatibility is necessary for acceptable properties. This work focuses on the creation of an antifouling CL surface through a novel grafting method. A polymer incorporating 2-methacryloyloxyethyl phosphorylcholine (MPC), well known for its antifouling and biomimetic properties, was grafted to the model lens surfaces using surface-initiated atom transfer radical polymerization (SI-ATRP). The SI-ATRP modification generated a unique double-grafted polymeric architecture designed to resist protein adsorption through the presence of a surrounding hydration layer due to the PC groups and steric repulsion due to the density of the grafted chains. The polymer was grafted from model silicone hydrogel CL using a four-step SI-ATRP process. Attenuated total reflectance-Fourier transform infrared spectroscopy and XPS were used to confirm the surface chemical composition at each step of the synthesis. Both the surface wettability and equilibrium water content of the materials increased significantly upon polyMPC modification. The surface water contact angle was as low as 16.04 ± 2.37° for polyMPC-50 surfaces; complete wetting (∼0°) was observed for polyMPC-100 surfaces. A decrease in the protein adsorption by as much as 83% (p < 0.000 36) for lysozyme and 73% (p < 0.0076) for bovine serum albumin was observed, with no significant difference between different polyMPC chain lengths. The data demonstrate the potential of this novel modification process for the creation of extremely wettable and superior antifouling surfaces, useful for silicone hydrogel CL surfaces.
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Kurakula M, Koteswara Rao G. Moving polyvinyl pyrrolidone electrospun nanofibers and bioprinted scaffolds toward multidisciplinary biomedical applications. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109919] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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13
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Low Fouling, Peptoid-Coated Polysulfone Hollow Fiber Membranes-the Effect of Grafting Density and Number of Side Chains. Appl Biochem Biotechnol 2019; 191:824-837. [PMID: 31872336 DOI: 10.1007/s12010-019-03218-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/05/2019] [Indexed: 10/25/2022]
Abstract
The development of low fouling membranes to minimize protein adsorption has relevance in various biomedical applications. Here, electrically neutral peptoids containing 2-methoxyethyl glycine (NMEG) side chains were attached to polysulfone hollow fiber membranes via polydopamine. The number of side chains and grafting density were varied to determine the effect on coating properties and the ability to prevent fouling. NMEG peptoid coatings have high hydrophilicity compared to unmodified polysulfone membranes. The extent of biofouling was evaluated using bovine serum albumin, as well as platelet adhesion. The results suggest that both the number of side chains and grafting density play a role in the surface properties that drive biofouling. Protein adsorption decreased with increasing peptoid grafting density and is lowest above a critical grafting density specific to peptoid chain length. Our findings show that the optimization of grafting density and hydration of the surface are important factors for achieving the desired antifouling performance.
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Shoaib MM, Huynh V, Shad Y, Ahmed R, Jesmer AH, Melacini G, Wylie RG. Controlled degradation of low-fouling poly(oligo(ethylene glycol)methyl ether methacrylate) hydrogels. RSC Adv 2019; 9:18978-18988. [PMID: 35516872 PMCID: PMC9064882 DOI: 10.1039/c9ra03441b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 06/10/2019] [Indexed: 12/25/2022] Open
Abstract
Degradable low-fouling hydrogels are ideal vehicles for drug and cell delivery. For each application, hydrogel degradation rate must be re-optimized for maximum therapeutic benefit. We developed a method to rapidly and predictably tune degradation rates of low-fouling poly(oligo(ethylene glycol)methyl ether methacrylate) (P(EG)xMA) hydrogels by modifying two interdependent variables: (1) base-catalysed crosslink degradation kinetics, dependent on crosslinker electronics (electron withdrawing groups (EWGs)); and, (2) polymer hydration, dependent on the molecular weight (MW) of poly(ethylene glycol) (PEG) pendant groups. By controlling PEG MW and EWG strength, P(EG)xMA hydrogels were tuned to degrade over 6 to 52 d. A 6-member P(EG)xMA copolymer library yielded slow and fast degrading low-fouling hydrogels suitable for short- and long-term delivery applications. The degradation mechanism was also applied to RGD-functionalized poly(carboxybetaine methacrylamide) (PCBMAA) hydrogels to achieve slow (∼50 d) and fast (∼13 d) degrading low-fouling, bioactive hydrogels. To tune degradation rates of low-fouling hydrogels, a 6-member P(EG)xMA copolymer library with different electronics and hydration levels was developed.![]()
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Affiliation(s)
- Muhammad M Shoaib
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Vincent Huynh
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Yousuf Shad
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Rashik Ahmed
- Department of Biochemistry and Biomedical Sciences, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Alexander H Jesmer
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Giuseppe Melacini
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada .,Department of Biochemistry and Biomedical Sciences, McMaster University Hamilton Ontario L8S 4M1 Canada
| | - Ryan G Wylie
- Department of Chemistry and Chemical Biology, McMaster University Hamilton Ontario L8S 4M1 Canada .,School of Biomedical Engineering, McMaster University Hamilton Ontario L8S 4M1 Canada
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15
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Gicquel E, Martin C, Gauthier Q, Engström J, Abbattista C, Carlmark A, Cranston ED, Jean B, Bras J. Tailoring Rheological Properties of Thermoresponsive Hydrogels through Block Copolymer Adsorption to Cellulose Nanocrystals. Biomacromolecules 2019; 20:2545-2556. [DOI: 10.1021/acs.biomac.9b00327] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Erwan Gicquel
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
| | - Céline Martin
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
| | - Quentin Gauthier
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
| | - Joakim Engström
- Department of Fiber and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Teknikringen 56, SE-100 44 Stockholm, Sweden
| | - Clara Abbattista
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
| | - Anna Carlmark
- Department of Fiber and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Teknikringen 56, SE-100 44 Stockholm, Sweden
| | - Emily D. Cranston
- Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, British Columbia V6T 1Z3, Canada
- Department of Wood Science, University of British Columbia, 2424 Main Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Bruno Jean
- Univ. Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
| | - Julien Bras
- Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000 Grenoble, France
- Institut Universitaire de France, F-75000 Paris, France
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16
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Kalasin S, Browne E, Arcaro K, Santore MM. Surfaces that Adhesively Discriminate Breast Epithelial Cell Lines and Lymphocytes in Buffer and Human Breast Milk. ACS APPLIED MATERIALS & INTERFACES 2019; 11:16347-16356. [PMID: 31032616 PMCID: PMC6773258 DOI: 10.1021/acsami.9b03385] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
We report new surface coatings that adhesively distinguish three breast epithelial cell lines (MCF-10A, MCF-7, and TMX2-28) when cell suspensions in buffer or breast milk are flowed over the coatings. We also report the selective capture of epithelial cells and rejection of Jurkat lymphocytes, with average selectivities exceeding 60 and captured cell purities often exceeding >99%. The surfaces achieve the dual goals of selective cell capture and resistance to fouling by proteins and other components of breast milk. The coatings do not rely on antibody targeting of cell surface markers but instead contain polycation chains embedded within a layer of end-tethered poly(ethylene glycol) (PEG) chains. The PEG, somewhat shielding the polycations, prevents surface fouling by proteins, nondesired cells, and other milk components, while the polycations produce electrostatic attractions that are heterogeneous on nanoscopic length scales. These electrostatic heterogeneities on the engineered coating, shown to produce curvature-selective particle capture in other studies, produce cell selectivity here. The ability of the engineered surfaces to discriminate these cell lines via an electrostatic driving force is remarkable, as the cells are of very similar surface charge as evidenced by their nearly identical ζ-potentials. The current surfaces, which likely distinguish cells based on their electrostatic surface landscape combined with other factors, adhesively distinguish cell lines that may differ only slightly in their expression of a surface marker, or cancer cells that minimally express EpCAM but which have different distributions of electrostatic charge on their surfaces. These surfaces are among the first to be documented for the compatibility of a polymer brush with human breast milk and may find use in technologies that capture cells from human breast milk or other complex fluids for cancer risk assessment.
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Affiliation(s)
- S. Kalasin
- Department of Polymer Science and Engineering, 120 Governors Drive, Amherst, MA 01003
| | - E.P. Browne
- Department of Veterinary and Animal Science, 240 Thatcher Road, Amherst, MA 01003
| | - K.F. Arcaro
- Department of Veterinary and Animal Science, 240 Thatcher Road, Amherst, MA 01003
| | - M. M. Santore
- Department of Polymer Science and Engineering, 120 Governors Drive, Amherst, MA 01003
- Contact:
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17
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Joh DY, Zimmers Z, Avlani M, Heggestad JT, Aydin HB, Ganson N, Kumar S, Fontes C, Achar RK, Hershfield MS, Hucknall AM, Chilkoti A. Architectural Modification of Conformal PEG-Bottlebrush Coatings Minimizes Anti-PEG Antigenicity While Preserving Stealth Properties. Adv Healthc Mater 2019; 8:e1801177. [PMID: 30908902 PMCID: PMC6819148 DOI: 10.1002/adhm.201801177] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 02/12/2019] [Indexed: 01/18/2023]
Abstract
Poly(ethylene glycol) (PEG), a linear polymer known for its "stealth" properties, is commonly used to passivate the surface of biomedical implants and devices, and it is conjugated to biologic drugs to improve their pharmacokinetics. However, its antigenicity is a growing concern. Here, the antigenicity of PEG is investigated when assembled in a poly(oligoethylene glycol) methacrylate (POEGMA) "bottlebrush" configuration on a planar surface. Using ethylene glycol (EG) repeat lengths of the POEGMA sidechains as a tunable parameter for optimization, POEGMA brushes with sidechain lengths of two and three EG repeats are identified as the optimal polymer architecture to minimize binding of anti-PEG antibodies (APAs), while retaining resistance to nonspecific binding by bovine serum albumin and cultured cells. Binding of backbone- versus endgroup-selective APAs to POEGMA brushes is further investigated, and finally the antigenicity of POEGMA coatings is assessed against APA-positive clinical plasma samples. These results are applied toward fabricating immunoassays on POEGMA surfaces with minimal reactivity toward APAs while retaining a low limit-of-detection for the analyte. Taken together, these results offer useful design concepts to reduce the antigenicity of polymer brush-based surface coatings used in applications involving human or animal matrices.
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Affiliation(s)
- Daniel Y. Joh
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Zackary Zimmers
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Manav Avlani
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Jacob T. Heggestad
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Hakan B. Aydin
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Nancy Ganson
- Department of Medicine, Division of Rheumatology, Duke University Medical Center, Durham, NC 27710 USA
| | - Shourya Kumar
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Cassio Fontes
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Rohan K. Achar
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Michael S. Hershfield
- Department of Medicine, Division of Rheumatology, Duke University Medical Center, Durham, NC 27710 USA
- Department of Biochemistry, Duke University School of Medicine, Durham NC 27710 USA
| | - Angus M. Hucknall
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham NC 27708 USA
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18
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Cheung DL, Lau KHA. Atomistic Study of Zwitterionic Peptoid Antifouling Brushes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1483-1494. [PMID: 30142978 DOI: 10.1021/acs.langmuir.8b01939] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Using molecular dynamics (MD) simulations, we study the molecular behavior and hydration properties of a set of zwitterionic "peptoid" brushes, grafted on a rutile surface, that has been previously reported to exhibit excellent resistance against protein adsorption and cell attachment. Peptoids are novel poly( N-substituted glycine) peptide mimics with the side chains attached to amide nitrogens. They constitute a unique model polymer system because hundreds of side chains have been demonstrated, and the exact chain length and sequence order of the residues/monomers may be specified in experiments. In this report, we vary the brush grafting density as well as the side chain/polymer molecular volume. We include in our study polysarcosine as an uncharged comparison with a small polymer chain cross-section. Sarcosine is the simplest peptoid residue with only a nominally hydrophobic methyl group as side chain, but is also reported to exhibit high antifouling performance. Overall, we show in detail how molecular volume and hydration effects are intertwined in a zwitterionic polymer brush. For example, the zwitterionic design significantly promotes extended chain conformations and could actually lower the overall electrostatic potential. Some properties promoted by the balanced charges, such as chain flexibility and hydration, increase more prominently at "low" to "intermediate" chain densities. These and other observations should provide insight on the molecular behavior of peptoids and inform the design of zwitterionic antifouling polymer brushes.
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Affiliation(s)
- David L Cheung
- School of Chemistry , National University of Ireland Galway , Galway H91 TK33 , Ireland
| | - King Hang Aaron Lau
- Department of Pure and Applied Chemistry , University of Strathclyde , Glasgow G1 1XL , United Kingdom
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19
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Kolewe KW, Kalasin S, Shave M, Schiffman JD, Santore MM. Mechanical Properties and Concentrations of Poly(ethylene glycol) in Hydrogels and Brushes Direct the Surface Transport of Staphylococcus aureus. ACS APPLIED MATERIALS & INTERFACES 2019; 11:320-330. [PMID: 30595023 PMCID: PMC6771038 DOI: 10.1021/acsami.8b18302] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Surface-associated transport of flowing bacteria, including cell rolling, is a mechanism for otherwise immobile bacteria to migrate on surfaces and could be associated with biofilm formation or the spread of infection. This work demonstrates how the moduli and/or local polymer concentration play critical roles in sustaining contact, dynamic adhesion, and transport of bacterial cells along a hydrogel or hydrated brush surface. In particular, stiffer more concentrated hydrogels and brushes maintained the greatest dynamic contact, still allowing cells to travel along the surface in flow. This study addressed how the mechanical properties, molecular architectures, and thicknesses of minimally adhesive poly(ethylene glycol) (PEG)-based coatings influence the flow-driven surface motion of Staphylococcus aureus MS2 cells. Three protein-repellant PEG-dimethylacrylate hydrogel films (∼100 μm thick) and two protein-repellant PEG brushes (8-16 nm thick) were sufficiently fouling-resistant to prevent the accumulation of flowing bacteria. However, the rolling or hopping-like motions of gently flowing S. aureus cells along the surfaces were specific to the particular hydrogel or brush, distinguishing these coatings in terms of their mechanical properties (with moduli from 2 to 1300 kPa) or local PEG concentrations (in the range 10-50% PEG). On the stiffer hydrogel coatings having higher PEG concentrations, S. aureus exhibited long runs of surface rolling, 20-50 μm in length, an increased tendency of cells to repeatedly return to some surfaces after rolling and escaping, and relatively long integrated contact times. By contrast, on the softer more dilute hydrogels, bacteria tended to encounter the surface for brief periods before escaping without return. The dynamic adhesion and motion signatures of the cells on the two brushes were bracketed by those on the soft and stiff hydrogels, demonstrating that PEG coating thickness was not important in these studies where the vertically oriented surfaces minimized the impact of gravitational forces. Control studies with similarly sized poly(ethylene oxide)-coated rigid spherical microparticles, that also did not arrest on the PEG coatings, established that the bacterial skipping and rolling signatures were specific to the S. aureus cells and not simply diffusive. Dynamic adhesion of the S. aureus cells on the PEG hydrogel surfaces correlated well with quiescent 24 h adhesion studies in the literature, despite the orientation of the flow studies that eliminated the influence of gravity on bacteria-coating normal forces.
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Affiliation(s)
- Kristopher W. Kolewe
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
| | - Surachate Kalasin
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
| | - Molly Shave
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
| | - Jessica D. Schiffman
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
- Corresponding Authors: . Phone: (413) 545-6143 (J.D.S.)., . Phone: (413) 577-1417 (M.M.S.)
| | - Maria M. Santore
- Department of Polymer Science and Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003-9303, United States
- Corresponding Authors: . Phone: (413) 545-6143 (J.D.S.)., . Phone: (413) 577-1417 (M.M.S.)
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20
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Dai W, Zheng C, Zhao B, Chen K, Jia P, Yang J, Zhao J. A negative correlation between water content and protein adsorption on polymer brushes. J Mater Chem B 2019; 7:2162-2168. [DOI: 10.1039/c8tb03061h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A negative correlation between the water content inside polymer brushes and protein adsorption.
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Affiliation(s)
- Wei Dai
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Cong Zheng
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Bintao Zhao
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
- The University of Chinese Academy of Sciences
| | - Kuo Chen
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
- The University of Chinese Academy of Sciences
| | - Pengxiang Jia
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- College of Chemistry and Materials Science
- Northwest University
- Xi’an
- China
| | - Jingfa Yang
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Jiang Zhao
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
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21
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Xia Y, Adibnia V, Huang R, Murschel F, Faivre J, Xie G, Olszewski M, De Crescenzo G, Qi W, He Z, Su R, Matyjaszewski K, Banquy X. Biomimetic Bottlebrush Polymer Coatings for Fabrication of Ultralow Fouling Surfaces. Angew Chem Int Ed Engl 2018; 58:1308-1314. [DOI: 10.1002/anie.201808987] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/08/2018] [Indexed: 01/26/2023]
Affiliation(s)
- Yinqiang Xia
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Vahid Adibnia
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Renliang Huang
- School of Environmental Science and Engineering Tianjin University Tianjin 300072 China
| | - Frederic Murschel
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Jimmy Faivre
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Guojun Xie
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Mateusz Olszewski
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Gregory De Crescenzo
- Department of Chemical Engineering École Polytechnique de Montréal P.O. Box 6079, succ. Centre-Ville Montreal Quebec H3C 3A7 Canada
| | - Wei Qi
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Krzysztof Matyjaszewski
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Xavier Banquy
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
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22
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Xia Y, Adibnia V, Huang R, Murschel F, Faivre J, Xie G, Olszewski M, De Crescenzo G, Qi W, He Z, Su R, Matyjaszewski K, Banquy X. Biomimetic Bottlebrush Polymer Coatings for Fabrication of Ultralow Fouling Surfaces. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808987] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yinqiang Xia
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Vahid Adibnia
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Renliang Huang
- School of Environmental Science and Engineering Tianjin University Tianjin 300072 China
| | - Frederic Murschel
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Jimmy Faivre
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
| | - Guojun Xie
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Mateusz Olszewski
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Gregory De Crescenzo
- Department of Chemical Engineering École Polytechnique de Montréal P.O. Box 6079, succ. Centre-Ville Montreal Quebec H3C 3A7 Canada
| | - Wei Qi
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering Tianjin Key Laboratory of Membrane Science and Desalination Technology School of Chemical Engineering and Technology Collaborative Innovation Center of Chemical Science and Engineering Tianjin University Tianjin 300072 China
| | - Krzysztof Matyjaszewski
- Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Xavier Banquy
- Faculty of Pharmacy Université de Montréal 2900 Édouard-Montpetit Montreal Quebec H3C 3J7 Canada
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23
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Effect of surface chemistry of polymeric nanoparticles on cutaneous penetration of cholecalciferol. Int J Pharm 2018; 553:120-131. [PMID: 30316003 DOI: 10.1016/j.ijpharm.2018.09.046] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023]
Abstract
We investigated the influence of nanoparticle (NP) surface composition on different aspects of skin delivery of a lipophilic drug: chemical stability, release and skin penetration. Cholecalciferol was chosen as a labile model drug. Poly(lactic acid) (PLA)-based NPs without surface coating, with a non-ionic poly(ethylene glycol) (PEG) coating, or with a zwitterionic poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) coating were prepared using flash nanoprecipitation. Process was optimized to obtain similar hydrodynamic diameters. Polymeric NPs were compared to non-polymeric cholecalciferol formulations. Cholecalciferol stability in aqueous medium was improved by polymeric encapsulation with a valuable effect of a hydrophilic coating. However, the in vitro release of the drug was found independent of the presence of any polymer, as for the drug penetration in an intact skin model. Such tendency was not observed in impaired skin since, when stratum corneum was removed, we found that a neutral hydrophilic coating around NPs reduced drug penetration compared to pure drug NPs and bare PLA NPs. The nature of the hydrophilic block (PEG or PMPC) had however no impact. We hypothesized that NPs surface influenced drug penetration in impaired skin due to different electrostatic interactions between NPs and charged skin components of viable skin layers.
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24
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Ivask A, Pilkington EH, Blin T, Käkinen A, Vija H, Visnapuu M, Quinn JF, Whittaker MR, Qiao R, Davis TP, Ke PC, Voelcker NH. Uptake and transcytosis of functionalized superparamagnetic iron oxide nanoparticles in an in vitro blood brain barrier model. Biomater Sci 2018; 6:314-323. [PMID: 29239410 DOI: 10.1039/c7bm01012e] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Two major hurdles in nanomedicine are the limited strategies for synthesizing stealth nanoparticles and the poor efficacy of the nanoparticles in translocating across the blood brain barrier (BBB). Here we examined the uptake and transcytosis of iron oxide nanoparticles (IONPs) grafted with biomimetic phosphorylcholine (PC) brushes in an in vitro BBB model system, and compared them with bare, PEG or PC-PEG mixture grafted IONPs. Hyperspectral imaging indicated IONP co-localization with cells. Quantitative analysis with total reflection X-ray fluorescence spectrometry showed that after 24 h, 78% of PC grafted, 68-69% of PEG or PC-PEG grafted, and 30% of bare IONPs were taken up by the BBB. Transcytosis of IONPs was time-dependent and after 24 h, 16-17% of PC or PC-PEG mixture grafted IONPs had passed the BBB model, significantly more than PEG grafted or bare IONPs. These findings point out that grafting of IONPs with PC is a viable strategy for improving the uptake and transcytosis of nanoparticles.
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Affiliation(s)
- Angela Ivask
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, Mawson Lakes, SA, Australia
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25
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Inoue Y, Onodera Y, Ishihara K. Initial Cell Adhesion onto a Phospholipid Polymer Brush Surface Modified with a Terminal Cell Adhesion Peptide. ACS APPLIED MATERIALS & INTERFACES 2018; 10:15250-15257. [PMID: 29652126 DOI: 10.1021/acsami.8b01906] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Dynamic changes in the properties of adsorbed protein layers at material surfaces make it difficult to analyze a cell adhesion behavior. Adhesion is affected by the ligand molecules in the adsorbed protein layers on the material's surface. This study aimed to quantitatively analyze the initial cell adhesion onto a polymeric surface modified with immobilized cell adhesion molecules with a well-defined structure. Peptides containing an arginine-glycine-aspartic acid (RGD) sequence were introduced at almost all the termini of the grafted poly(2-methacryloyloxyethyl phosphorylcholine) [poly(MPC)] chains using a click reaction at a highly protein-resistant poly(MPC) brush layer. Thus, the surface could bind to the cell membrane proteins only through the immobilized RGD. Furthermore, the degree of polymerization of the grafted poly(MPC) chains could control the hydrated poly(MPC) brush layer softness, as determined by measuring the dissipation energy loss using a quartz crystal microbalance. At the initial stage of cell adhesion, the density of cells adhering to the RGD-immobilized poly(MPC) brush layers did not depend on the poly(MPC) brush layer softness. However, spreading of the adherent cells was inhibited on the RGD-immobilized poly(MPC) brush layers with a higher softness. Hence, the results suggested that the layer softness did not affect the binding number between the RGD and cell membrane protein during initial cell adhesion; however, the intracellular signaling triggered by the RGD-receptor interaction was inhibited. The poly(MPC) brush surface carrying immobilized cell adhesion molecules has the potential to analyze precisely the effect of the properties of cell adhesion molecules on initial cell adhesion.
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26
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António M, Nogueira J, Vitorino R, Daniel-da-Silva AL. Functionalized Gold Nanoparticles for the Detection of C-Reactive Protein. NANOMATERIALS 2018; 8:nano8040200. [PMID: 29597295 PMCID: PMC5923530 DOI: 10.3390/nano8040200] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 03/21/2018] [Accepted: 03/26/2018] [Indexed: 02/07/2023]
Abstract
C-reactive protein (CRP) is a very important biomarker of infection and inflammation for a number of diseases. Routine CRP measurements with high sensitivity and reliability are highly relevant to the assessment of states of inflammation and the efficacy of treatment intervention, and require the development of very sensitive, selective, fast, robust and reproducible assays. Gold nanoparticles (Au NPs) are distinguished for their unique electrical and optical properties and the ability to conjugate with biomolecules. Au NP-based probes have attracted considerable attention in the last decade in the analysis of biological samples due to their simplicity, high sensitivity and selectivity. Thus, this article aims to be a critical and constructive analysis of the literature of the last three years regarding the advances made in the development of bioanalytical assays based on gold nanoparticles for the in vitro detection and quantification of C-reactive protein from biological samples. Current methods for Au NP synthesis and the strategies for surface modification aiming at selectivity towards CRP are highlighted.
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Affiliation(s)
- Maria António
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - João Nogueira
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Rui Vitorino
- iBiMED-Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Ana L Daniel-da-Silva
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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27
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Bose S, Robertson SF, Bandyopadhyay A. Surface modification of biomaterials and biomedical devices using additive manufacturing. Acta Biomater 2018; 66:6-22. [PMID: 29109027 PMCID: PMC5785782 DOI: 10.1016/j.actbio.2017.11.003] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 11/01/2017] [Accepted: 11/02/2017] [Indexed: 12/15/2022]
Abstract
The demand for synthetic biomaterials in medical devices, pharmaceutical products and, tissue replacement applications are growing steadily due to aging population worldwide. The use for patient matched devices is also increasing due to availability and integration of new technologies. Applications of additive manufacturing (AM) or 3D printing (3DP) in biomaterials have also increased significantly over the past decade towards traditional as well as innovative next generation Class I, II and III devices. In this review, we have focused our attention towards the use of AM in surface modified biomaterials to enhance their in vitro and in vivo performances. Specifically, we have discussed the use of AM to deliberately modify the surfaces of different classes of biomaterials with spatial specificity in a single manufacturing process as well as commented on the future outlook towards surface modification using AM. STATEMENT OF SIGNIFICANCE It is widely understood that the success of implanted medical devices depends largely on favorable material-tissue interactions. Additive manufacturing has gained traction as a viable and unique approach to engineered biomaterials, for both bulk and surface properties that improve implant outcomes. This review explores how additive manufacturing techniques have been and can be used to augment the surfaces of biomedical devices for direct clinical applications.
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Affiliation(s)
- Susmita Bose
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States.
| | - Samuel Ford Robertson
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
| | - Amit Bandyopadhyay
- W. M. Keck Biomedical Materials Research Lab, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164, United States
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28
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Kalasin S, Letteri RA, Emrick T, Santore MM. Adsorbed Polyzwitterion Copolymer Layers Designed for Protein Repellency and Interfacial Retention. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:13708-13717. [PMID: 29134801 DOI: 10.1021/acs.langmuir.7b03391] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Poly(2-methacryloyloxyethyl phosphorylcholine) (pMPC), when end-tethered to surfaces by the adsorption of copolymeric cationic segments, forms adsorbed layers that substantially reduce protein adsorption. This study examined variations in the molecular architecture of copolymers containing cationic poly(trimethylammonium ethyl methacrylate (pTMAEMA) anchor blocks that adsorbed strongly to negative surfaces. With appropriate copolymer design, the pTMAEMA blocks were shielded, by pMPC tethers, from solution-phase proteins. The most protein-resistant copolymer layers, eliminating fibrinogen and lysozyme adsorption within detectible limits of 0.01 mg/m2, had metrics (the amount of pMPC at the surface and the reduced tether footprint) consistent with the formation of an interfacial polymer brush. The p(TMAEMA-b-MPC) copolymer layers substantially outperformed the protein resistance of surface-polymerized pMPC layers when compared on a per-polyzwitterion-mass basis or on the basis of the scaled tether area. Additionally, p(TMAEMA-b-MPC) copolymer layers offered advantages over the much-studied cationically anchored poly(ethylene glycol) (PEG) graft copolymer system, which forms PEG brushes by the adsorption of a poly l-lysine (PLL) backbone. Although the optimized p(TMAEMA-b-MPC) and PLL-PEG copolymers were similarly fibrinogen-resistant, the cationic protein lysozyme was repelled by pMPC but adhered to the PEG brush via PEG-lysozyme attractions. Additionally, the adsorbed p(TMAEMA-b-MPC) copolymers were not displaced by poly l-lysine homopolymers, which completely displaced the PLL-PEG copolymer to expose a protein-adhesive surface. Thus, the p(TMAEMA-b-MPC) copolymer system comprises a scalable means to produce protein-repellent surfaces, free of the complexities of surface-initiated polymerization and with the advantages of polyzwitterions.
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Affiliation(s)
- S Kalasin
- Department of Polymer Science and Engineering, University of Massachusetts , 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - R A Letteri
- Department of Polymer Science and Engineering, University of Massachusetts , 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - T Emrick
- Department of Polymer Science and Engineering, University of Massachusetts , 120 Governors Drive, Amherst, Massachusetts 01003, United States
| | - M M Santore
- Department of Polymer Science and Engineering, University of Massachusetts , 120 Governors Drive, Amherst, Massachusetts 01003, United States
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29
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Nano-structural comparison of 2-methacryloyloxyethyl phosphorylcholine- and ethylene glycol-based surface modification for preventing protein and cell adhesion. Colloids Surf B Biointerfaces 2017; 159:655-661. [DOI: 10.1016/j.colsurfb.2017.08.039] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 08/15/2017] [Accepted: 08/22/2017] [Indexed: 11/18/2022]
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30
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Xing CM, Meng FN, Quan M, Ding K, Dang Y, Gong YK. Quantitative fabrication, performance optimization and comparison of PEG and zwitterionic polymer antifouling coatings. Acta Biomater 2017; 59:129-138. [PMID: 28663144 DOI: 10.1016/j.actbio.2017.06.034] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/07/2017] [Accepted: 06/26/2017] [Indexed: 01/15/2023]
Abstract
A versatile fabrication and performance optimization strategy of PEG and zwitterionic polymer coatings is developed on the sensor chip of surface plasma resonance (SPR) instrument. A random copolymer bearing phosphorylcholine zwitterion and active ester side chains (PMEN) and carboxylic PEG coatings with comparable thicknesses were deposited on SPR sensor chips via amidation coupling on the precoated polydopamine (PDA) intermediate layer. The PMEN coating showed much stronger resistance to bovine serum albumin (BSA) adsorption than PEG coating at very thin thickness (∼1nm). However, the BSA resistant efficacy of PEG coating could exceed that of PMEN due to stronger steric repelling effect when the thickness increased to 1.5∼3.3nm. Interestingly, both the PEG and PMEN thick coatings (≈3.6nm) showed ultralow fouling by BSA and bovine plasma fibrinogen (Fg). Moreover, changes in the PEG end group from -OH to -COOH, protein adsorption amount could increase by 10-fold. Importantly, the optimized PMEN and PEG-OH coatings were easily duplicated on other substrates due to universal adhesion of the PDA layer, showed excellent resistance to platelet, bacteria and proteins, and no significant difference in the antifouling performances was observed. These detailed results can explain the reported discrepancy in performances between PEG and zwitterionic polymer coatings by thickness. This facile and substrate-independent coating strategy may benefit the design and manufacture of advanced antifouling biomedical devices and long circulating nanocarriers. STATEMENT OF SIGNIFICANCE Prevention of biofouling is one of the biggest challenges for all biomedical applications. However, it is very difficult to fabricate a highly hydrophilic antifouling coating on inert materials or large devices. In this study, PEG and zwitterion polymers, the most widely investigated polymers with best antifouling performance, are conveniently immobilized on different kinds of substrates from their aqueous solutions by precoating a polydopamine intermediate layer as the universal adhesive and readily re-modifiable surface. Importantly, the coating fabrication and antifouling performance can be monitored and optimized quantitatively by a surface plasma resonance (SPR) system. More significantly, the SPR on-line optimized coatings were successfully duplicated off-line on other substrates, and supported by their excellent antifouling properties.
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Affiliation(s)
- Cheng-Mei Xing
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China
| | - Fan-Ning Meng
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China
| | - Miao Quan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China
| | - Kai Ding
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China
| | - Yuan Dang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China
| | - Yong-Kuan Gong
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, Shaanxi, PR China.
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31
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Singha P, Locklin J, Handa H. A review of the recent advances in antimicrobial coatings for urinary catheters. Acta Biomater 2017; 50:20-40. [PMID: 27916738 PMCID: PMC5316300 DOI: 10.1016/j.actbio.2016.11.070] [Citation(s) in RCA: 238] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 11/30/2016] [Accepted: 11/30/2016] [Indexed: 12/21/2022]
Abstract
More than 75% of hospital-acquired or nosocomial urinary tract infections are initiated by urinary catheters, which are used during the treatment of 15-25% of hospitalized patients. Among other purposes, urinary catheters are primarily used for draining urine after surgeries and for urinary incontinence. During catheter-associated urinary tract infections, bacteria travel up to the bladder and cause infection. A major cause of catheter-associated urinary tract infection is attributed to the use of non-ideal materials in the fabrication of urinary catheters. Such materials allow for the colonization of microorganisms, leading to bacteriuria and infection, depending on the severity of symptoms. The ideal urinary catheter is made out of materials that are biocompatible, antimicrobial, and antifouling. Although an abundance of research has been conducted over the last forty-five years on the subject, the ideal biomaterial, especially for long-term catheterization of more than a month, has yet to be developed. The aim of this review is to highlight the recent advances (over the past 10years) in developing antimicrobial materials for urinary catheters and to outline future requirements and prospects that guide catheter materials selection and design. STATEMENT OF SIGNIFICANCE This review article intends to provide an expansive insight into the various antimicrobial agents currently being researched for urinary catheter coatings. According to CDC, approximately 75% of urinary tract infections are caused by urinary catheters and 15-25% of hospitalized patients undergo catheterization. In addition to these alarming statistics, the increasing cost and health related complications associated with catheter associated UTIs make the research for antimicrobial urinary catheter coatings even more pertinent. This review provides a comprehensive summary of the history, the latest progress in development of the coatings and a brief conjecture on what the future entails for each of the antimicrobial agents discussed.
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Affiliation(s)
- Priyadarshini Singha
- School of Materials, Chemical and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Jason Locklin
- School of Materials, Chemical and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA; Department of Chemistry, University of Georgia, Athens, GA, USA.
| | - Hitesh Handa
- School of Materials, Chemical and Biomedical Engineering, College of Engineering, University of Georgia, Athens, GA, USA.
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32
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Joh DY, McGuire F, Abedini-Nassab R, Andrews JB, Achar RK, Zimmers Z, Mozhdehi D, Blair R, Albarghouthi F, Oles W, Richter J, Fontes CM, Hucknall AM, Yellen BB, Franklin AD, Chilkoti A. Poly(oligo(ethylene glycol) methyl ether methacrylate) Brushes on High-κ Metal Oxide Dielectric Surfaces for Bioelectrical Environments. ACS APPLIED MATERIALS & INTERFACES 2017; 9:5522-5529. [PMID: 28117566 DOI: 10.1021/acsami.6b15836] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Advances in electronics and life sciences have generated interest in "lab-on-a-chip" systems utilizing complementary metal oxide semiconductor (CMOS) circuitry for low-power, portable, and cost-effective biosensing platforms. Here, we present a simple and reliable approach for coating "high-κ" metal oxide dielectric materials with "non-fouling" (protein- and cell-resistant) poly(oligo(ethylene glycol) methyl ether methacrylate (POEGMA) polymer brushes as biointerfacial coatings to improve their relevance for biosensing applications utilizing advanced electronic components. By using a surface-initiated "grafting from" strategy, POEGMA films were reliably grown on each material, as confirmed by ellipsometric measurements and X-ray photoelectron spectroscopy (XPS) analysis. The electrical behavior of these POEGMA films was also studied to determine the potential impact on surrounding electronic devices, yielding information on relative permittivity and breakdown field for POEGMA in both dry and hydrated states. We show that the incorporation of POEGMA coatings significantly reduced levels of nonspecific protein adsorption compared to uncoated high-κ dielectric oxide surfaces as shown by protein resistance assays. These attributes, combined with the robust dielectric properties of POEGMA brushes on high-κ surfaces open the way to incorporate this protein and cell resistant polymer interface into CMOS devices for biomolecular detection in a complex liquid milieu.
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Affiliation(s)
- Daniel Y Joh
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Felicia McGuire
- Department of Electrical and Computer Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Roozbeh Abedini-Nassab
- Department of Mechanical Engineering and Materials Science, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Joseph B Andrews
- Department of Electrical and Computer Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Rohan K Achar
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Zackary Zimmers
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Darush Mozhdehi
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Rebecca Blair
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Faris Albarghouthi
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - William Oles
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Jacob Richter
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Cassio M Fontes
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Angus M Hucknall
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Benjamin B Yellen
- Department of Mechanical Engineering and Materials Science, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
| | - Aaron D Franklin
- Department of Electrical and Computer Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
- Department of Chemistry, Duke University , Durham, North Carolina 27708, United States
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University , Durham, North Carolina 27708, United States
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33
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Wells LA, Guo H, Emili A, Sefton MV. The profile of adsorbed plasma and serum proteins on methacrylic acid copolymer beads: Effect on complement activation. Biomaterials 2017; 118:74-83. [DOI: 10.1016/j.biomaterials.2016.11.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 11/21/2016] [Accepted: 11/24/2016] [Indexed: 10/20/2022]
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34
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Zoppe JO, Ataman NC, Mocny P, Wang J, Moraes J, Klok HA. Surface-Initiated Controlled Radical Polymerization: State-of-the-Art, Opportunities, and Challenges in Surface and Interface Engineering with Polymer Brushes. Chem Rev 2017; 117:1105-1318. [PMID: 28135076 DOI: 10.1021/acs.chemrev.6b00314] [Citation(s) in RCA: 587] [Impact Index Per Article: 83.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The generation of polymer brushes by surface-initiated controlled radical polymerization (SI-CRP) techniques has become a powerful approach to tailor the chemical and physical properties of interfaces and has given rise to great advances in surface and interface engineering. Polymer brushes are defined as thin polymer films in which the individual polymer chains are tethered by one chain end to a solid interface. Significant advances have been made over the past years in the field of polymer brushes. This includes novel developments in SI-CRP, as well as the emergence of novel applications such as catalysis, electronics, nanomaterial synthesis and biosensing. Additionally, polymer brushes prepared via SI-CRP have been utilized to modify the surface of novel substrates such as natural fibers, polymer nanofibers, mesoporous materials, graphene, viruses and protein nanoparticles. The last years have also seen exciting advances in the chemical and physical characterization of polymer brushes, as well as an ever increasing set of computational and simulation tools that allow understanding and predictions of these surface-grafted polymer architectures. The aim of this contribution is to provide a comprehensive review that critically assesses recent advances in the field and highlights the opportunities and challenges for future work.
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Affiliation(s)
- Justin O Zoppe
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Nariye Cavusoglu Ataman
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Piotr Mocny
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Jian Wang
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - John Moraes
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
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35
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Ataman NC, Klok HA. Degrafting of Poly(poly(ethylene glycol) methacrylate) Brushes from Planar and Spherical Silicon Substrates. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01445] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Nariye Cavusoglu Ataman
- Institut des Matériaux
et Institut des Sciences et Ingénierie Chimiques, Laboratoire
des Polyméres, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux
et Institut des Sciences et Ingénierie Chimiques, Laboratoire
des Polyméres, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
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36
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Xu F, Sheardown H, Hoare T. Reactive electrospinning of degradable poly(oligoethylene glycol methacrylate)-based nanofibrous hydrogel networks. Chem Commun (Camb) 2016; 52:1451-4. [PMID: 26648556 DOI: 10.1039/c5cc08053c] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A direct, all-aqueous electrospinning method for fabricating degradable nanofibrous hydrogel networks is reported in which hydrazide and aldehyde-functionalized poly(oligoethylene glycol methacrylate) (POEGMA) polymers are simultaneously electrospun and cross-linked. The resulting networks are spatially well-defined, mechanically stable (both dry and wet), and offer extremely fast swelling responses, suggesting potential utility as smart hydrogels and tunable tissue engineering matrices.
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Affiliation(s)
- Fei Xu
- Department of Chemical Engineering, McMaster University, 1280 Main St. W., Hamilton, Ontario L8S 4L7, Canada.
| | - Heather Sheardown
- Department of Chemical Engineering, McMaster University, 1280 Main St. W., Hamilton, Ontario L8S 4L7, Canada.
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, 1280 Main St. W., Hamilton, Ontario L8S 4L7, Canada.
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37
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Hydrolysis-controlled protein adsorption and antifouling behaviors of mixed charged self-assembled monolayer: A molecular simulation study. Acta Biomater 2016; 40:23-30. [PMID: 27134014 DOI: 10.1016/j.actbio.2016.04.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 03/20/2016] [Accepted: 04/28/2016] [Indexed: 11/23/2022]
Abstract
UNLABELLED Understanding the mechanism of the antimicrobial and antifouling properties of mixed charged materials is of great significance. The interactions between human gamma fibrinogen (γFg) and mixed carboxylic methyl ether-terminated (COOCH3-) and trimethylamino-terminated (N(CH3)3(+)-) SAMs and the influence of hydrolysis were studied by molecular simulations. After hydrolysis, the mixed SAMs exhibit behaviors from antimicrobial to antifouling, since the COOCH3-thiols were translated into carboxylic acid (COO(-)-) terminated thiols, which carried a net charge of -1 e. Simulation results showed that the main differences between COOCH3-/N(CH3)3(+)-SAM and COO(-)-/N(CH3)3(+)-SAM are the charged property and the hydration layer above the surface. γFg could stably adsorb on the positively-charged COOCH3-/N(CH3)3(+)-SAM. The adsorption behavior is mainly induced by the strong electrostatic attraction. There is a single hydration layer bound to the surface, which is related to the N(CH3)3(+) groups. The van der Waals repulsion between γFg and the single hydration layer are not strong enough to compensate the strong electrostatic attraction. After hydrolysis, the positively-charged SAM was transferred to a neutral mixed charged surface, the electrostatic attraction between γFg and the surface disappears. Meanwhile, the SAM surface is covered by double hydration layers, which is induced by the N(CH3)3(+) and COO(-) groups; water molecules around COO(-) groups are obviously denser than that around N(CH3)3(+) groups. With the combined contribution from double hydration layers and the vanishment of electrostatic attraction, γFg is forced to desorb from the surface. After hydrolysis, the internal structure of mixed SAM appears more ordered due to the electrostatic interactions between charged groups on the top of SAMs. STATEMENT OF SIGNIFICANCE The antimicrobial and antifouling materials are of great importance in many biological applications. The strong hydration property of surfaces and the interactions between proteins and surfaces play a key role in resisting protein adsorption. The mixed SAMs, constructed from a 1:1 combination of COOCH3- and N(CH3)3(+)-terminated thiols, can induce protein adsorption mainly through the electrostatic interaction. When the COOCH3-terminated thiols were hydrolyzed to negatively charged COO(-)-terminated thiols, the mixed-charged SAMs switched from antimicrobial to antifouling. Due to the strong hydration property of the mixed charged SAMs, the adsorbed γFg moved away from the surface. Understanding the interactions between protein and mixed-charged SAMs in the atomistic level is important for the practical design and development of new antimicrobial and antifouling materials.
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38
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Sardella E, Palumbo F, Camporeale G, Favia P. Non-Equilibrium Plasma Processing for the Preparation of Antibacterial Surfaces. MATERIALS (BASEL, SWITZERLAND) 2016; 9:E515. [PMID: 28773637 PMCID: PMC5456949 DOI: 10.3390/ma9070515] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 06/12/2016] [Accepted: 06/20/2016] [Indexed: 12/19/2022]
Abstract
Non-equilibrium plasmas offer several strategies for developing antibacterial surfaces that are able to repel and/or to kill bacteria. Due to the variety of devices, implants, and materials in general, as well as of bacteria and applications, plasma assisted antibacterial strategies need to be tailored to each specific surface. Nano-composite coatings containing inorganic (metals and metal oxides) or organic (drugs and biomolecules) compounds can be deposited in one step, and used as drug delivery systems. On the other hand, functional coatings can be plasma-deposited and used to bind antibacterial molecules, for synthesizing surfaces with long lasting antibacterial activity. In addition, non-fouling coatings can be produced to inhibit the adhesion of bacteria and reduce the formation of biofilm. This paper reviews plasma-based strategies aimed to reduce bacterial attachment and proliferation on biomedical materials and devices, but also onto materials used in other fields. Most of the activities described have been developed in the lab of the authors.
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Affiliation(s)
- Eloisa Sardella
- Istituto di Nanotecnologia, Consiglio Nazionale delle Ricerche, Via Orabona 4, 70126 Bari, Italy.
| | - Fabio Palumbo
- Istituto di Nanotecnologia, Consiglio Nazionale delle Ricerche, Via Orabona 4, 70126 Bari, Italy.
| | - Giuseppe Camporeale
- Dipartimento di Chimica Università degli Studi di Bari "Aldo Moro", Via Orabona 4, 70126 Bari, Italy.
| | - Pietro Favia
- Istituto di Nanotecnologia, Consiglio Nazionale delle Ricerche, Via Orabona 4, 70126 Bari, Italy.
- Dipartimento di Chimica Università degli Studi di Bari "Aldo Moro", Via Orabona 4, 70126 Bari, Italy.
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39
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Preparation of a thick polymer brush layer composed of poly(2-methacryloyloxyethyl phosphorylcholine) by surface-initiated atom transfer radical polymerization and analysis of protein adsorption resistance. Colloids Surf B Biointerfaces 2016; 141:507-512. [DOI: 10.1016/j.colsurfb.2016.02.015] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/02/2016] [Accepted: 02/07/2016] [Indexed: 12/20/2022]
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40
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Chang CC, Kolewe KW, Li Y, Kosif I, Freeman BD, Carter KR, Schiffman JD, Emrick T. Underwater Superoleophobic Surfaces Prepared from Polymer Zwitterion/Dopamine Composite Coatings. ADVANCED MATERIALS INTERFACES 2016; 3:1500521. [PMID: 27774375 PMCID: PMC5074057 DOI: 10.1002/admi.201500521] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Hydration is central to mitigating surface fouling by oil and microorganisms. Immobilization of hydrophilic polymers on surfaces promotes retention of water and a reduction of direct interactions with potential foulants. While conventional surface modification techniques are surface-specific, mussel-inspired adhesives based on dopamine effectively coat many types of surfaces and thus hold potential as a universal solution to surface modification. Here, we describe a facile, one-step surface modification strategy that affords hydrophilic, and underwater superoleophobic, coatings by the simultaneous deposition of polydopamine (PDA) with poly(methacryloyloxyethyl phosphorylcholine) (polyMPC). The resultant composite coating features enhanced hydrophilicity (i.e., water contact angle of ~10° in air) and antifouling performance relative to PDA coatings. PolyMPC affords control over coating thickness and surface roughness, and results in a nearly 10 fold reduction in Escherichia coli adhesion relative to unmodified glass. The substrate-independent nature of PDA coatings further promotes facile surface modification without tedious surface pretreatment, and offers a robust template for codepositing polyMPC to enhance biocompatibility, hydrophilicity and fouling resistance.
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Affiliation(s)
- Chia-Chih Chang
- Department of Polymer Science & Engineering, Conte Center for Polymer Research, 120 Governors Drive, University of Massachusetts, Amherst, MA 01003, USA
| | - Kristopher W. Kolewe
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA
| | - Yinyong Li
- Department of Polymer Science & Engineering, Conte Center for Polymer Research, 120 Governors Drive, University of Massachusetts, Amherst, MA 01003, USA
| | - Irem Kosif
- Department of Polymer Science & Engineering, Conte Center for Polymer Research, 120 Governors Drive, University of Massachusetts, Amherst, MA 01003, USA
| | - Benny D. Freeman
- Department of Chemical Engineering, University of Texas, Austin, TX 78758, USA
| | - Kenneth R. Carter
- Department of Polymer Science & Engineering, Conte Center for Polymer Research, 120 Governors Drive, University of Massachusetts, Amherst, MA 01003, USA
| | - Jessica D. Schiffman
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA 01003, USA
| | - Todd Emrick
- Department of Polymer Science & Engineering, Conte Center for Polymer Research, 120 Governors Drive, University of Massachusetts, Amherst, MA 01003, USA
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41
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Vuoriluoto M, Orelma H, Zhu B, Johansson LS, Rojas OJ. Control of Protein Affinity of Bioactive Nanocellulose and Passivation Using Engineered Block and Random Copolymers. ACS APPLIED MATERIALS & INTERFACES 2016; 8:5668-5678. [PMID: 26844956 DOI: 10.1021/acsami.5b11737] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We passivated TEMPO-oxidized cellulose nanofibrils (TOCNF) toward human immunoglobulin G (hIgG) by modification with block and random copolymers of poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) and poly(oligo(ethylene glycol) methyl ether methacrylate) (POEGMA). The block copolymers reversibly adsorbed on TOCNF and were highly effective in preventing nonspecific interactions with hIgG, especially if short PDMAEMA blocks were used. In such cases, total protein rejection was achieved. This is in contrast to typical blocking agents, which performed poorly. When an anti-human IgG biointerface was installed onto the passivated TOCNF, remarkably high affinity antibody-antigen interactions were observed (0.90 ± 0.09 mg/m(2)). This is in contrast to the nonpassivated biointerface, which resulted in a significant false response. In addition, regeneration of the biointerface was possible by low pH aqueous wash. Protein A from Staphylococcus aureus was also utilized to successfully increase the sensitivity for human IgG recognition (1.28 ± 0.11 mg/m(2)). Overall, the developed system based on TOCNF modified with multifunctional polymers can be easily deployed as bioactive material with minimum fouling and excellent selectivity.
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Affiliation(s)
- Maija Vuoriluoto
- Biobased Colloids and Materials (BiCMat), Department of Forest Products Technology, School of Chemical Technology, Aalto University , FI-00076, Espoo, Finland
| | - Hannes Orelma
- Biobased Colloids and Materials (BiCMat), Department of Forest Products Technology, School of Chemical Technology, Aalto University , FI-00076, Espoo, Finland
| | - Baolei Zhu
- DWI-Leibniz-Institute for Interactive Materials Research , Forckenbeckstr. 50, D-52056 Aachen, Germany
| | - Leena-Sisko Johansson
- Biobased Colloids and Materials (BiCMat), Department of Forest Products Technology, School of Chemical Technology, Aalto University , FI-00076, Espoo, Finland
| | - Orlando J Rojas
- Biobased Colloids and Materials (BiCMat), Department of Forest Products Technology, School of Chemical Technology, Aalto University , FI-00076, Espoo, Finland
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Vuoriluoto M, Orelma H, Johansson LS, Zhu B, Poutanen M, Walther A, Laine J, Rojas OJ. Effect of Molecular Architecture of PDMAEMA–POEGMA Random and Block Copolymers on Their Adsorption on Regenerated and Anionic Nanocelluloses and Evidence of Interfacial Water Expulsion. J Phys Chem B 2015; 119:15275-86. [DOI: 10.1021/acs.jpcb.5b07628] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Maija Vuoriluoto
- Biobased
Colloids and Materials group (BiCMat), Department of Forest Products
Technology, School of Chemical Technology, Aalto University, FI-00076, Espoo, Finland
| | - Hannes Orelma
- Biobased
Colloids and Materials group (BiCMat), Department of Forest Products
Technology, School of Chemical Technology, Aalto University, FI-00076, Espoo, Finland
- VTT, Technical Research Centre of Finland, Biologinkuja 7, P.O. Box 1000, FIN-02044 VTT, Finland
| | - Leena-Sisko Johansson
- Biobased
Colloids and Materials group (BiCMat), Department of Forest Products
Technology, School of Chemical Technology, Aalto University, FI-00076, Espoo, Finland
| | - Baolei Zhu
- DWI − Leibniz-Institute for Interactive Materials Research, Forckenbeckstr. 50, D-52056 Aachen, Germany
| | - Mikko Poutanen
- Department
of Applied Physics, School of Science, Aalto University, FI-00076, Espoo, Finland
| | - Andreas Walther
- DWI − Leibniz-Institute for Interactive Materials Research, Forckenbeckstr. 50, D-52056 Aachen, Germany
| | - Janne Laine
- Biobased
Colloids and Materials group (BiCMat), Department of Forest Products
Technology, School of Chemical Technology, Aalto University, FI-00076, Espoo, Finland
| | - Orlando J. Rojas
- Biobased
Colloids and Materials group (BiCMat), Department of Forest Products
Technology, School of Chemical Technology, Aalto University, FI-00076, Espoo, Finland
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43
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Chen W, Inoue Y, Ishihara K. Preparation of photoreactive phospholipid polymer nanoparticles to immobilize and release protein by photoirradiation. Colloids Surf B Biointerfaces 2015; 135:365-370. [DOI: 10.1016/j.colsurfb.2015.07.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 07/16/2015] [Accepted: 07/27/2015] [Indexed: 12/26/2022]
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44
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Functionalizable low-fouling coatings for label-free biosensing in complex biological media: advances and applications. Anal Bioanal Chem 2015; 407:3927-53. [DOI: 10.1007/s00216-015-8606-5] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 02/20/2015] [Accepted: 02/27/2015] [Indexed: 12/31/2022]
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Lau KHA, Sileika TS, Park SH, Sousa AML, Burch P, Szleifer I, Messersmith PB. Molecular Design of Antifouling Polymer Brushes Using Sequence-Specific Peptoids. ADVANCED MATERIALS INTERFACES 2015; 2:1400225. [PMID: 26167449 PMCID: PMC4497591 DOI: 10.1002/admi.201400225] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Revised: 10/12/2014] [Indexed: 05/31/2023]
Abstract
Material systems that can be used to flexibly and precisely define the chemical nature and molecular arrangement of a surface would be invaluable for the control of complex biointerfacial interactions. For example, progress in antifouling polymer biointerfaces that prevent non-specific protein adsorption and cell attachment, which can significantly improve the performance of an array of biomedical and industrial applications, is hampered by a lack of chemical models to identify the molecular features conferring their properties. Poly(N-substituted glycine) "peptoids" are peptidomimetic polymers that can be conveniently synthesized with specific monomer sequences and chain lengths, and are presented as a versatile platform for investigating the molecular design of antifouling polymer brushes. Zwitterionic antifouling polymer brushes have captured significant recent attention, and a targeted library of zwitterionic peptoid brushes with a different charge densities, hydration, separations between charged groups, chain lengths, and grafted chain densities, is quantitatively evaluated for their antifouling properties through a range of protein adsorption and cell attachment assays. Specific zwitterionic brush designs were found to give rise to distinct but subtle differences in properties. The results also point to the dominant roles of the grafted chain density and chain length in determining the performance of antifouling polymer brushes.
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Affiliation(s)
- King Hang Aaron Lau
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
| | - Tadas S Sileika
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
| | - Sung Hyun Park
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
| | - Ana ML Sousa
- Department of Pure and Applied Chemistry, University of StrathclydeGlasgow, G1 1XL, UK
| | - Patrick Burch
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
| | - Igal Szleifer
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
- Department of Chemistry and Department of Chemical and Biological, Engineering and the Robert H. Lurie Comprehensive Cancer Center, Northwestern UniversityEvanston, Illinois, 60208, USA
| | - Phillip B Messersmith
- Biomedical Engineering Department, Chemistry of Life Processes Institute, Northwestern UniversityEvanston, Illinois, 60208, USA
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Garapaty A, Champion JA. Non-covalent phosphorylcholine coating reduces protein adsorption and phagocytic uptake of microparticles. Chem Commun (Camb) 2015; 51:13814-7. [DOI: 10.1039/c5cc03459k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Phosphorylcholine co-polymer was assembled on model polystyrene microparticles through a simple, widely-applicable ethanol coating process. The coating rendered particles resistant to protein adsorption and phagocytosis by macrophages, making it useful for a range of biological applications.
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Affiliation(s)
- Anusha Garapaty
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Julie A. Champion
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
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47
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Khabibullin A, Mastan E, Matyjaszewski K, Zhu S. Surface-Initiated Atom Transfer Radical Polymerization. CONTROLLED RADICAL POLYMERIZATION AT AND FROM SOLID SURFACES 2015. [DOI: 10.1007/12_2015_311] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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48
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Liu X, Yuan L, Li D, Tang Z, Wang Y, Chen G, Chen H, Brash JL. Blood compatible materials: state of the art. J Mater Chem B 2014; 2:5718-5738. [PMID: 32262016 DOI: 10.1039/c4tb00881b] [Citation(s) in RCA: 204] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Devices that function in contact with blood are ubiquitous in clinical medicine and biotechnology. These devices include vascular grafts, coronary stents, heart valves, catheters, hemodialysers, heart-lung bypass systems and many others. Blood contact generally leads to thrombosis (among other adverse outcomes), and no material has yet been developed which remains thrombus-free indefinitely and in all situations: extracorporeally, in the venous circulation and in the arterial circulation. In this article knowledge on blood-material interactions and "thromboresistant" materials is reviewed. Current approaches to the development of thromboresistant materials are discussed including surface passivation; incorporation and/or release of anticoagulants, antiplatelet agents and thrombolytic agents; and mimicry of the vascular endothelium.
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Affiliation(s)
- Xiaoli Liu
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China.
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Yandi W, Mieszkin S, Martin-Tanchereau P, Callow ME, Callow JA, Tyson L, Liedberg B, Ederth T. Hydration and chain entanglement determines the optimum thickness of poly(HEMA-co-PEG₁₀MA) brushes for effective resistance to settlement and adhesion of marine fouling organisms. ACS APPLIED MATERIALS & INTERFACES 2014; 6:11448-11458. [PMID: 24945705 DOI: 10.1021/am502084x] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Understanding how surface physicochemical properties influence the settlement and adhesion of marine fouling organisms is important for the development of effective and environmentally benign marine antifouling coatings. We demonstrate that the thickness of random poly(HEMA-co-PEG10MA) copolymer brushes affect antifouling behavior. Films of thicknesses ranging from 50 to 1000 Å were prepared via surface-initiated atom-transfer radical polymerization and characterized using infrared spectroscopy, ellipsometry, atomic force microscopy and contact angle measurements. The fouling resistance of these films was investigated by protein adsorption, attachment of the marine bacterium Cobetia marina, settlement and strength of attachment tests of zoospores of the marine alga Ulva linza and static immersion field tests. These assays show that the polymer film thickness influenced the antifouling performance, in that there is an optimum thickness range, 200-400 Å (dry thickness), where fouling of all types, as well as algal spore adhesion, was lower. Field test results also showed lower fouling within the same thickness range after 2 weeks of immersion. Studies by quartz crystal microbalance with dissipation and underwater captive bubble contact angle measurements show a strong correlation between lower fouling and higher hydration, viscosity and surface energy of the poly(HEMA-co-PEG10MA) brushes at thicknesses around 200-400 Å. We hypothesize that the reduced antifouling performance is caused by a lower hydration capacity of the polymer for thinner films, and that entanglement and crowding in the film reduces the conformational freedom, hydration capacity and fouling resistance for thicker films.
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Affiliation(s)
- Wetra Yandi
- Division of Molecular Physics, IFM, Linköping University , 581 83 Linköping, Sweden
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50
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Chen W, Inoue Y, Ishihara K. Quantitative evaluation of interaction force of fibrinogen at well-defined surfaces with various structures. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2014; 25:1629-40. [DOI: 10.1080/09205063.2014.936925] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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