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Mollahosseini A, Bahig J, Shoker A, Abdelrasoul A. Aminolysis-Based Zwitterionic Immobilization on Polyethersulfone Membranes for Enhanced Hemocompatibility: Experimental, Computational, and Ex Vivo Investigations. Biomimetics (Basel) 2024; 9:320. [PMID: 38921200 PMCID: PMC11201488 DOI: 10.3390/biomimetics9060320] [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: 03/28/2024] [Revised: 04/30/2024] [Accepted: 05/09/2024] [Indexed: 06/27/2024] Open
Abstract
Dialysis membranes are not hemocompatible with human blood, as the patients are suffering from the blood-membrane interactions' side effects. Zwitterionic structures have shown improved hemocompatibility; however, their complicated synthesis hinders their commercialization. The goal of the study is to achieve fast functionalization for carboxybetaine and sulfobetaine zwitterionic immobilization on PES membranes while comparing the stability and the targeted hemocompatibility. The chemical modification approach is based on an aminolysis reaction. Characterization, computational simulations, and clinical analysis were conducted to study the modified membranes. Atomic force microscopy (AFM) patterns showed a lower mean roughness for carboxybetaine-modified (6.3 nm) and sulfobetaine-modified (7.7 nm) membranes compared to the neat membrane (52.61 nm). The pore size of the membranes was reduced from values above 50 nm for the neat PES to values between 2 and 50 nm for zwitterionized membranes, using Brunauer-Emmett-Teller (BET) analysis. More hydrophilic surfaces led to a growth equilibrium water content (EWC) of nearly 6% for carboxybetaine and 10% for sulfobetaine-modified membranes. Differential scanning calorimetry (DSC) measurements were 12% and 16% stable water for carboxybetaine- and sulfobetaine-modified membranes, respectively. Sulfobetaine membranes showed better compatibility with blood with respect to C5a, IL-1a, and IL-6 biomarkers. Aminolysis-based zwitterionization was found to be suitable for the improvement of hemodialysis membranes. The approach introduced in this paper could be used to modify the current dialysis membranes with minimal change in the production facilities.
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Affiliation(s)
- Arash Mollahosseini
- Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
| | - Jumanah Bahig
- Division of Biomedical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
- Kinesiology, University of Saskatchewan, 87 Campus Dr, Saskatoon, SK S7N 5B, Canada
| | - Ahmed Shoker
- Saskatchewan Transplant Program, St. Paul’s Hospital, 1702 20th Street West, Saskatoon, SK S7M 0Z9, Canada
- Nephrology Division, College of Medicine, University of Saskatchewan, 107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
| | - Amira Abdelrasoul
- Department of Chemical and Biological Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
- Division of Biomedical Engineering, University of Saskatchewan, 57 Campus Drive, Saskatoon, SK S7N 5A9, Canada
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Wang S, Ren K, Zhang M, Shen L, Zhou G, Ding Y, Xin Q, Luo J, Xie J, Li J. Self-Adhesive, Strong Antifouling, and Mechanically Reinforced Methacrylate Hyaluronic Acid Cross-Linked Carboxybetaine Zwitterionic Hydrogels. Biomacromolecules 2024; 25:474-485. [PMID: 38114427 DOI: 10.1021/acs.biomac.3c01088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Hyaluronic acid and zwitterionic hydrogels are soft materials with poor mechanical properties. The unique structures and physiological properties make them attractive candidates for ideal hydrogel dressings, but the crux of lacking satisfying mechanical strengths and adhesive properties is still pendent. In this study, the physical cross-linking of dipole-dipole interactions of zwitterionic pairs was utilized to enhance the mechanical properties of hydrogels. The hydrogels have been prepared by copolymerizing methacrylate hyaluronic (HAGMA) with carboxybetaine methacrylamide (CBMAA) (the mass ratio of [HAGMA]/[CBMAA] is 2:5, 1:5, 1:10, or 1:20), obtaining HA-CB2.5, HA-CB5.0, HA-CB10.0, or HA-CB20.0 hydrogel. Therein, the HA-CB20.0 hydrogel with a high CBMAA content can generate a strong dipole-dipole interaction to form internal physical cross-links, exhibit stretchability and low elastic modulus, and withstand 99% compressive deformation and cyclic compression under strain at 90%. Moreover, the HA-CB20.0 hydrogel is adhesive to diverse substrates, including skin, glass, stainless steel, and plastic. The synergistic effect of HAGMA and CBMAA shows strong anti-biofouling, high water absorption, biodegradability under hyaluronidase, and biocompatibility.
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Affiliation(s)
- Shuaibing Wang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Kai Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Miao Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Luxuan Shen
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Guangwu Zhou
- School of Aeronautics and Astronautics, Sichuan University, Chengdu 610065, P. R. China
| | - Yuan Ding
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Qiangwei Xin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Jun Luo
- 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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Zhang W, Zhang X, Zheng Z, Niu Y, Liu J. Adsorption and Dispersion Effect of Sodium Lignosulfonate on Fine SiC Particles in Aqueous Media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:16151-16162. [PMID: 37910769 DOI: 10.1021/acs.langmuir.3c02382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
This study presented a novel modification method for fine SiC powder by using sodium lignosulfonate as a dispersant. The adsorption behavior of sodium lignosulfonate on the SiC/water interface and its effect on the performance of a fine SiC slurry were systematically investigated. The adsorption results showed that sodium lignosulfonate formed monolayer adsorption on the surface of fine SiC and that the saturated adsorption capacity was 1.3263 mg/g. The adsorption reached equilibrium within 3 h and was mainly controlled by active sites on the SiC surface. The dispersion, stability, and zeta potential of modified SiC powder were improved after sodium lignosulfonate adsorption. The zeta potential of modified SiC reached a minimum value of -44.8 mV at pH 12. Modified SiC suspensions had great stability in a wider pH range of 6-12. Modified SiC slurry with 54 vol % solid loading had a low viscosity of 173 mPa·s at pH 10. Subsequently, coarse SiC powder was added for slip casting. A mixed slurry with high solid loading (69 vol %) and low viscosity (583 mPa·s) was prepared using modified SiC and coarse SiC powders at a mass ratio of 2:3. Finally, recrystallized SiC green body with high density (2.6492 g/cm3) was obtained.
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Affiliation(s)
- Wenxiao Zhang
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xuhui Zhang
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zheng Zheng
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yifan Niu
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiaxiang Liu
- Beijing Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Li Z, Shen Y, Beltrán J, Tian H, Bedewitz M, Wheeldon I, Whitehead TA, Cutler SR, Zhong W. High-Performance Cannabinoid Sensor Empowered by Plant Hormone Receptors and Antifouling Magnetic Nanorods. ACS Sens 2023; 8:3914-3922. [PMID: 37737572 PMCID: PMC11288662 DOI: 10.1021/acssensors.3c01488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
The misuse of cannabinoids and their synthetic variants poses significant threats to public health, necessitating the development of advanced techniques for detection of these compounds in biological or environmental samples. Existing methods face challenges like lengthy sample pretreatment and laborious antifouling steps. Herein, we present a novel sensing platform using magnetic nanorods coated with zwitterionic polymers for the simple, rapid, and sensitive detection of cannabinoids in biofluids. Our technique utilizes the engineered derivatives of the plant hormone receptor Pyrabactin Resistance 1 (PYR1) as drug recognition elements and employs the chemical-induced dimerization (CID) mechanism for signal development. Additionally, the magnetic nanorods facilitate efficient target capture and reduce the assay duration. Moreover, the zwitterionic polymer coating exhibits excellent antifouling capability, preserving excellent sensor performance in complex biofluids. Our sensors detect cannabinoids in undiluted biofluids like serum, saliva, and urine with a low limit of detection (0.002 pM in saliva and few pM in urine and serum) and dynamic ranges spanning up to 9 orders of magnitude. Moreover, the PYR1 derivatives demonstrate high specificity even in the presence of multiple interfering compounds. This work opens new opportunities for sensor development, showcasing the excellent performance of antifouling magnetic nanorods that can be compatible with different recognition units, including receptors and antibodies, for detecting a variety of targets.
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Affiliation(s)
- Zongbo Li
- Department of Chemistry, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Yuyang Shen
- Environmental Toxicology Graduate Program, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Jesús Beltrán
- Department of Botany and Plant Sciences, University of California-Riverside, Riverside, CA 92521, U.S.A
- Institute for Integrative Genome Biology, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Hao Tian
- Department of Botany and Plant Sciences, University of California-Riverside, Riverside, CA 92521, U.S.A
- Institute for Integrative Genome Biology, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Matthew Bedewitz
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO, USA
| | - Ian Wheeldon
- Institute for Integrative Genome Biology, University of California-Riverside, Riverside, CA 92521, U.S.A
- Department of Chemical and Environmental Engineering, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Timothy A. Whitehead
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO, USA
| | - Sean R. Cutler
- Department of Botany and Plant Sciences, University of California-Riverside, Riverside, CA 92521, U.S.A
- Institute for Integrative Genome Biology, University of California-Riverside, Riverside, CA 92521, U.S.A
| | - Wenwan Zhong
- Department of Chemistry, University of California-Riverside, Riverside, CA 92521, U.S.A
- Environmental Toxicology Graduate Program, University of California-Riverside, Riverside, CA 92521, U.S.A
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Li H, Shang Y, Feng Q, Liu Y, Chen J, Dong H. A novel bioartificial pancreas fabricated via islets microencapsulation in anti-adhesive core-shell microgels and macroencapsulation in a hydrogel scaffold prevascularized in vivo. Bioact Mater 2023; 27:362-376. [PMID: 37180642 PMCID: PMC10172916 DOI: 10.1016/j.bioactmat.2023.04.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 05/16/2023] Open
Abstract
Islets transplantation is a promising treatment for type 1 diabetes mellitus. However, severe host immune rejection and poor oxygen/nutrients supply due to the lack of surrounding capillary network often lead to transplantation failure. Herein, a novel bioartificial pancreas is constructed via islets microencapsulation in core-shell microgels and macroencapsulation in a hydrogel scaffold prevascularized in vivo. Specifically, a hydrogel scaffold containing methacrylated gelatin (GelMA), methacrylated heparin (HepMA) and vascular endothelial growth factor (VEGF) is fabricated, which can delivery VEGF in a sustained style and thus induce subcutaneous angiogenesis. In addition, islets-laden core-shell microgels using methacrylated hyaluronic acid (HAMA) as microgel core and poly(ethylene glycol) diacrylate (PEGDA)/carboxybetaine methacrylate (CBMA) as shell layer are prepared, which provide a favorable microenvironment for islets and simultaneously the inhibition of host immune rejection via anti-adhesion of proteins and immunocytes. As a result of the synergistic effect between anti-adhesive core-shell microgels and prevascularized hydrogel scaffold, the bioartificial pancreas can reverse the blood glucose levels of diabetic mice from hyperglycemia to normoglycemia for at least 90 days. We believe this bioartificial pancreas and relevant fabrication method provide a new strategy to treat type 1 diabetes, and also has broad potential applications in other cell therapies.
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Affiliation(s)
- Haofei Li
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China
| | - Yulian Shang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- School of Biomedical Science and Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Qi Feng
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China
- Guangdong Province Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Yang Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China
| | - Junlin Chen
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China
| | - Hua Dong
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China
- National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou, 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China
- Guangdong Province Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510641, China
- Corresponding author. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510006, China.
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High-stretchable, self-healing, self-adhesive, self-extinguishing, low-temperature tolerant starch-based gel and its application in stimuli-responsiveness. Carbohydr Polym 2023; 307:120600. [PMID: 36781283 DOI: 10.1016/j.carbpol.2023.120600] [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: 11/06/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 01/21/2023]
Abstract
Starch with active hydroxyl groups is one of the most attractive carbohydrates for the preparation of gels in recent years. However, the mechanical properties, self-healing properties, self-adhesion properties, especially low-temperature resistance are generally unsatisfactory for current starch-based gels. Based on that, a multiple network structure of amylopectin-carboxymethyl cellulose-polyacrylamide (ACP) gel was prepared by a "cooking" method. Tannic acid (TA) was used to construct multiple hydrogen bonds among molecular chains. ACP gel demonstrates high elongation at break (1090 %) and strength, self-healing performance and adhesion behavior, extraordinary low-temperature resistance (-80 °C) and self-extinguishing. As a sensor device, ACP gel can effectively monitor human movements and microscopic expression changes and achieve real-time monitoring under harsh conditions (After multiple cutting-healing steps, under low-temperature conditions, even a month later). Additionally, ACP gel could be served to detect temperature changes with a wide operating range and a high sensitivity of 33 %·°C-1, which is promising to monitor the changes in temperature. More interestingly, ACP gel can even monitor the cooking process and breathing frequency with fast response, implying applications in food processing, disease diagnosis and medical treatment. This study provides new opportunities for the design and fabrication of carbohydrate-based gels with multiple performance and multifunctional electronic devices.
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Campelo MDS, Mota LB, Câmara Neto JF, Barbosa MLL, Gonzaga MLDC, Leal LKAM, Bastos MDSR, Soares SDA, Ricardo NMPS, Cerqueira GS, Ribeiro MENP. Agaricus blazei Murill extract-loaded in alginate/poly(vinyl alcohol) films prepared by Ca 2+ cross-linking for wound healing applications. J Biomed Mater Res B Appl Biomater 2023; 111:1035-1047. [PMID: 36455230 DOI: 10.1002/jbm.b.35212] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 11/08/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022]
Abstract
This work aimed the development and evaluation of the wound healing activity of films based on sodium alginate, polyvinyl alcohol (PVA) and Ca2+ loaded with Agaricus blazei Murill hydroalcoholic extract (AbE). Firstly, AbE was prepared using a previously standardized methodology. The films were prepared by casting technique and cross-linked with Ca2+ using CaCl2 as cross-linking agent. The physicochemical, morphological and water vapor barrier properties of the films were analyzed and the pre-clinical efficacy was investigated against the cutaneous wound model in mice. The films showed barrier properties to water vapor promising for wound healing. AbE showed physical and chemical interactions between both polymers, noticed by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and thermal analysis. The delivery of AbE in alginate/PVA films enhanced the antioxidant and wound healing properties of these polymers. Consequently, a reduction of malondialdehyde levels was observed, as well as an increase of the epidermis/dermis thickness and enhancement in collagen I deposition. Thus, these formulations are promising biomaterials for wound care and tissue repairing.
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Affiliation(s)
- Matheus da Silva Campelo
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil.,Centro de Estudos Farmacêuticos e Cosméticos, Departamento de Farmácia, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Lucas Barroso Mota
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - João Francisco Câmara Neto
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Maria Lucianny Lima Barbosa
- Núcleo de Estudos em Microscopia e Processamento de Imagens, Departamento de Morfologia, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Maria Leônia da Costa Gonzaga
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil.,Laboratório de Tecnologia de Embalagens de Alimentos, Embrapa Agroindústria Tropical, Fortaleza, Brazil
| | | | | | - Sandra de Aguiar Soares
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Nágila Maria Pontes Silva Ricardo
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Gilberto Santos Cerqueira
- Núcleo de Estudos em Microscopia e Processamento de Imagens, Departamento de Morfologia, Universidade Federal do Ceará, Fortaleza, Brazil
| | - Maria Elenir Nobre Pinho Ribeiro
- Laboratório de Polímeros e Inovação de Materiais, Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, Brazil.,Núcleo de Estudos em Microscopia e Processamento de Imagens, Departamento de Morfologia, Universidade Federal do Ceará, Fortaleza, Brazil
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Rimmer S, Spencer P, Nocita D, Sweeney J, Harrison M, Swift T. Chain-Extendable Crosslinked Hydrogels Using Branching RAFT Modification. Gels 2023; 9:gels9030235. [PMID: 36975685 PMCID: PMC10048396 DOI: 10.3390/gels9030235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/09/2023] [Accepted: 03/13/2023] [Indexed: 03/19/2023] Open
Abstract
Functional crosslinked hydrogels were prepared from 2-hydroxyethyl methacrylate (HEMA) and acrylic acid (AA). The acid monomer was incorporated both via copolymerization and chain extension of a branching, reversible addition–fragmentation chain-transfer agent incorporated into the crosslinked polymer gel. The hydrogels were intolerant to high levels of acidic copolymerization as the acrylic acid weakened the ethylene glycol dimethacrylate (EGDMA) crosslinked network. Hydrogels made from HEMA, EGDMA and a branching RAFT agent provide the network with loose-chain end functionality that can be retained for subsequent chain extension. Traditional methods of surface functionalization have the downside of potentially creating a high volume of homopolymerization in the solution. Branching RAFT comonomers act as versatile anchor sites by which additional polymerization chain extension reactions can be carried out. Acrylic acid grafted onto HEMA–EGDMA hydrogels showed higher mechanical strength than the equivalent statistical copolymer networks and was shown to have functionality as an electrostatic binder of cationic flocculants.
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Affiliation(s)
- Stephen Rimmer
- Department of Chemistry, University of Sheffield, Sheffield S10 2JA, UK
- School of Chemistry and Biosciences, University of Bradford, Bradford BD7 1DP, UK
- Correspondence: (S.R.); (T.S.); Tel.: +44-0127-423-2323 (S.R. & T.S.)
| | - Paul Spencer
- Faculty of Engineering, University of Bradford, Bradford BD7 1DP, UK
| | - Davide Nocita
- Faculty of Engineering, University of Bradford, Bradford BD7 1DP, UK
| | - John Sweeney
- Faculty of Engineering, University of Bradford, Bradford BD7 1DP, UK
| | - Marcus Harrison
- Department of Chemistry, University of Sheffield, Sheffield S10 2JA, UK
| | - Thomas Swift
- Department of Chemistry, University of Sheffield, Sheffield S10 2JA, UK
- School of Chemistry and Biosciences, University of Bradford, Bradford BD7 1DP, UK
- Correspondence: (S.R.); (T.S.); Tel.: +44-0127-423-2323 (S.R. & T.S.)
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Zeng H, Sun F, Zhang J, Wang Y, Yang S, Xing D. Gradient crosslinking optimization for the selective layer to prepare polyvinyl alcohol (PVA) nanofiltration (NF) membrane: The enhanced filtration performance and potential rejection for EDCs. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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10
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Sun F, Hu W, Zhao Y, Li Y, Xu X, Li Y, Zhang H, Luo J, Guo B, Ding C, Li J. Invisible assassin coated on dental appliances for on-demand capturing and killing of cariogenic bacteria. Colloids Surf B Biointerfaces 2022; 217:112696. [PMID: 35834998 DOI: 10.1016/j.colsurfb.2022.112696] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 02/08/2023]
Abstract
The accumulation of microbes on long-wear artificial dental materials creates a great risk for oral diseases and causes deterioration of material properties. Therefore, smart antibacterial materials capable of resisting the colonization of microorganisms and simultaneously eliminating pathogenic bacteria as needed show outstanding superiority for the recovery of dental health, which are scarcely reported until now. Here, we present a responsive hydrogel coating as invisible assassin on clear overlay appliances target for dental caries. Taking advantage of pH-responsive carboxybetaine methacrylate-dimethylaminoethyl methacrylate copolymer P(CBMA-co-DMAEMA) and antibacterial peptides, the surface potential of hydrogel shifts positively, accompanied with the release of antibacterial peptides when pH gets lower. The hybrid hydrogel layer hence exerts antifouling property and resists bacterial adhesion in normal physiological, while captures and kills cariogenic bacteria in acidic condition. This biocompatible, transparent and stable hydrogel coating has little influence for the aesthetics and mechanical properties of bulk materials. The strategy developed here can provide reference for the design of biomedical devices in other areas.
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Affiliation(s)
- Fan Sun
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Wei Hu
- Medical School of Chinese People's Liberation Army (PLA), Department of Stomatology, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Yao Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Yike Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Xiaoyang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Yanyan Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Hongbo Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Bin Guo
- Medical School of Chinese People's Liberation Army (PLA), Department of Stomatology, First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Chunmei Ding
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China.
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China; State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; Med-X Center for Materials, Sichuan University, China.
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11
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Hu Q, Wang W, Ma T, Zhang C, Kuang J, Wang R. Anti-UV and hydrophobic dual-functional coating fabrication for flame retardant polyester fabrics by surface-initiated PET RAFT technique. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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12
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Luo C, Huang M, Sun X, Wei N, Shi H, Li H, Lin M, Sun J. Super-Strong, Nonswellable, and Biocompatible Hydrogels Inspired by Human Tendons. ACS APPLIED MATERIALS & INTERFACES 2022; 14:2638-2649. [PMID: 35045604 DOI: 10.1021/acsami.1c23102] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Fabricating artificial materials that mimic the structures and properties of tendons is of great significance. Possessing a tensile stress of approximately 10.0 MPa and a water content of around 60%, human tendons exhibit excellent mechanical properties to support daily functions. In contrast to tendons, most synthetic hydrogels with similar water content typically exclude qualified strength, swelling resistance, and biocompatibility. Herein, a facile strategy based on poly(vinyl alcohol) (PVA) and tannic acid (TA) is demonstrated to tackle this problem via a combination of sequential steps including freezing-thawing PVA aqueous solutions to form crystalline regions, prestretching and air drying in confined conditions to induce anisotropic structures, soaking in TA solutions to form multiple hydrogen bondings between PVA and TA, and finally dialyzing against water for the removal of residual TA molecules and the rearrangements and homogenization of multiple hydrogen bonds. The obtained PVA hydrogels possess hierarchically anisotropic structures, where the alignment of PVA bundles promotes high modulus, while the hydrogen bonding between PVA and TA endows them with an energy dissipation mechanism. Benefitting from the synergy of material composition and structural engineering, the obtained hydrogel displays super-strong mechanics (a tensile stress of 19.3 MPa and a toughness of 32.1 MJ/m3), outperforming most tough hydrogels. Remarkably, this hydrogel demonstrates excellent swelling resistance. It barely expands after immersion in deionized water, phosphate-buffered saline (PBS), and SBF aqueous solutions for 7 days with the strength and volume nearly the same as their initial values. All of the features, combined with excellent cytocompatibility, make it an ideal material for biotechnological and biomedical applications.
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Affiliation(s)
- Chunhui Luo
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
- Key Laboratory of Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
- Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University, Yinchuan 750021, P. R. China
| | - Min Huang
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
| | - Xinxin Sun
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
| | - Ning Wei
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
| | - Huan Shi
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
| | - Hui Li
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, P. R. China
| | - Min Lin
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Jing Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
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13
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Adsorption of epichlorohydrin-dimethylamine at the SiC-water interface: A study on wetting, electrokinetics, dispersion stability. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126947] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Bellotti V, Simonutti R. New Light in Polymer Science: Photoinduced Reversible Addition-Fragmentation Chain Transfer Polymerization (PET-RAFT) as Innovative Strategy for the Synthesis of Advanced Materials. Polymers (Basel) 2021; 13:1119. [PMID: 33915928 PMCID: PMC8036437 DOI: 10.3390/polym13071119] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 03/27/2021] [Accepted: 03/30/2021] [Indexed: 12/16/2022] Open
Abstract
Photochemistry has attracted great interest in the last decades in the field of polymer and material science for the synthesis of innovative materials. The merging of photochemistry and reversible-deactivation radical polymerizations (RDRP) provides good reaction control and can simplify elaborate reaction protocols. These advantages open the doors to multidisciplinary fields going from composite materials to bio-applications. Photoinduced Electron/Energy Transfer Reversible Addition-Fragmentation Chain-Transfer (PET-RAFT) polymerization, proposed for the first time in 2014, presents significant advantages compared to other photochemical techniques in terms of applicability, cost, and sustainability. This review has the aim of providing to the readers the basic knowledge of PET-RAFT polymerization and explores the new possibilities that this innovative technique offers in terms of industrial applications, new materials production, and green conditions.
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Affiliation(s)
| | - Roberto Simonutti
- Department of Materials Science, Università Degli Studi di Milano-Bicocca, Via R. Cozzi, 55, 20125 Milan, Italy;
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15
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Kwon SJ, Park K, Kim DY, Zhan M, Hong S, Lee JH. High-performance and durable pressure retarded osmosis membranes fabricated using hydrophilized polyethylene separators. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118796] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Yang X, Cui M, Zhou J, Zhang L, Zhou H, Luo Z, Zhou L, Hu H. Surface Fluorination Modification and Anti-Biofouling Study of a pHEMA Hydrogel. ACS APPLIED BIO MATERIALS 2021; 4:523-532. [PMID: 35014303 DOI: 10.1021/acsabm.0c01071] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A poly(2-hydroxyethyl methacrylate) (pHEMA) hydrogel film was prepared by bulk polymerization. Then, it was surface modified by perfluorooctanoyl chloride to improve the anti-biofouling properties. Attenuated total reflectance-Fourier transform infrared (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDXS), and atomic force microscopy (AFM) analyses demonstrated that the uniform dense fluorinated layer had been successfully grafted onto pHEMA. The water contact angle (WCA) of the modified pHEMA film increased to 135°, while the surface energy decreased to 13.32 mN/m. The protein and bacterial adhesion properties of the modified pHEMA were decreased significantly. The in vitro cytotoxicity showed that the modified pHEMA was noncytotoxic. Thus, the fluorinated modification on the material surface was a convenient and effective method to establish a hydrophobic and anti-biofouling surface.
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Affiliation(s)
- Xinlin Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Mengmeng Cui
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jinsheng Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Lu Zhang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Haohao Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Zhongkuan Luo
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Li Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Huiyuan Hu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
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17
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Ding J, Sarrigani GV, Khan HJ, Yang H, Sohimi NA, Izzati Sukhairul Zaman NZ, Zhong X, Mai-Prochnow A, Wang DK. Designing Hydrogel-Modified Cellulose Triacetate Membranes with High Flux and Solute Selectivity for Forward Osmosis. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jia Ding
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Gholamreza Vahedi Sarrigani
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Hashim Jalil Khan
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Haowen Yang
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Nur Anis Sohimi
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | | | - Xia Zhong
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Anne Mai-Prochnow
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - David K. Wang
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
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18
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Wang Q, Hu L, Cui Z, Fu P, Liu M, Qiao X, Pang X. Dual Roles of Amino-Functionalized Silicon Quantum Dots (SiQDs) for Visible-Light-Induced Surface-Initiated PET-RAFT Polymerization on Substrates. ACS APPLIED MATERIALS & INTERFACES 2020; 12:42161-42168. [PMID: 32840349 DOI: 10.1021/acsami.0c12299] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Silicon quantum dots (SiQDs) are explored for the first time as an efficient photocatalyst for visible-light-regulated reversible addition-fragmentation chain transfer (RAFT) polymerization. The fluorescence quenching confirmed the photoinduced electron transfer (PET) between SiQDs and RAFT reagents. Besides all features of controlled radical polymerization, the SiQDs catalyzed PET-RAFT polymerization also exhibit good temporal control, high chain-end fidelity, and versatility with diverse monomers. Moreover, amino-functionalized SiQDs can be easily coated on the surface of substrates (silicon wafer) owing to the electrostatic interaction, and play a dual role of polymer-substrate connector and photocatalyst for the surface-initiated PET-RAFT polymerization. The SiQD-coated wafer was also proved to be an efficient recycle photocatalyst for PET-RAFT polymerization.
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Affiliation(s)
- Qi Wang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Lingjuan Hu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zhe Cui
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Peng Fu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Minying Liu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoguang Qiao
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xinchang Pang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
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19
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Cui M, Shen M, Zhou L, Luo Z, Zhou H, Yang X, Hu H. Enhancing antifouling property of PVA membrane by grafting zwitterionic polymer via SI-ATRP method. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:1852-1868. [PMID: 32532173 DOI: 10.1080/09205063.2020.1780681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Poly(zwitterions) polymer brushes were fabricated by surface-initiated atom transfer radical polymerization (SI-ATRP) on PVA substrate. The results of XPS and FTIR proved the successful graft of CBMA and SBMA to PVA. The surface of the PVA films would be rougher after the functionalization. Its hydrophilicity increased dramatically and the water contact angle decreased from 45.2° to 7.2°. The visible light transmittance was above 88%. Mechanical properties decreased slightly after grafting, the tensile strength and tensile strain at break were in 1.23-1.85 MPa and 361.7-471.1%, respectively. The anti-protein adsorption performance of the modified PVA film was significantly enhanced and the lowest adsorption amount was up to 2.25 μg/cm2. The cytotoxicity grade of modified PVA film was 0-1, which indicated the modified film possessed no cytotoxicity. Additionally, the surface of zwitterion-grafted PVA film had strongly resistance to cell adhesion. All the results confirmed that the zwitterions modified PVA was a promising anti-fouling material for the further biomedical use.
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Affiliation(s)
- Mengmeng Cui
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Mingcheng Shen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Li Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Zhongkuan Luo
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Haohao Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Xinlin Yang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Huiyuan Hu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
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20
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Yazdi MK, Vatanpour V, Taghizadeh A, Taghizadeh M, Ganjali MR, Munir MT, Habibzadeh S, Saeb MR, Ghaedi M. Hydrogel membranes: A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 114:111023. [PMID: 32994021 DOI: 10.1016/j.msec.2020.111023] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/22/2020] [Accepted: 04/26/2020] [Indexed: 12/12/2022]
Abstract
Hydrogel membranes (HMs) are defined and applied as hydrated porous media constructed of hydrophilic polymers for a broad range of applications. Fascinating physiochemical properties, unique porous architecture, water-swollen features, biocompatibility, and special water content dependent transport phenomena in semi-permeable HMs make them appealing constructs for various applications from wastewater treatment to biomedical fields. Water absorption, mechanical properties, and viscoelastic features of three-dimensional (3D) HM networks evoke the extracellular matrix (ECM). On the other hand, the porous structure with controlled/uniform pore-size distribution, permeability/selectivity features, and structural/chemical tunability of HMs recall membrane separation processes such as desalination, wastewater treatment, and gas separation. Furthermore, supreme physiochemical stability and high ion conductivity make them promising to be utilised in the structure of accumulators such as batteries and supercapacitors. In this review, after summarising the general concepts and production processes for HMs, a comprehensive overview of their applications in medicine, environmental engineering, sensing usage, and energy storage/conservation is well-featured. The present review concludes with existing restrictions, possible potentials, and future directions of HMs.
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Affiliation(s)
- Mohsen Khodadadi Yazdi
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, Iran, Tehran.
| | - Ali Taghizadeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Mohsen Taghizadeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran; Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Muhammad Tajammal Munir
- College of Engineering and Technology, American University of the Middle East, Kuwait; Department of Chemical and Materials Engineering, The University of Auckland, New Zealand
| | - Sajjad Habibzadeh
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Mohammad Reza Saeb
- Department of Resin and Additives, Institute for Color Science and Technology, P.O. Box: 16765-654, Tehran, Iran
| | - Mehrorang Ghaedi
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran.
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21
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Liu G, Li K, Wang H, Ma L, Yu L, Nie Y. Stable Fabrication of Zwitterionic Coating Based on Copper-Phenolic Networks on Contact Lens with Improved Surface Wettability and Broad-Spectrum Antimicrobial Activity. ACS APPLIED MATERIALS & INTERFACES 2020; 12:16125-16136. [PMID: 32202402 DOI: 10.1021/acsami.0c02143] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Ocular dryness and contact lens(CL)-related microbial keratitis (MK) are two major risks of wearing CLs. The development of multifunctional surface coating for CLs with excellent hydrating and antimicrobial properties is a practical strategy to improve the comfort of CL wearers and to prevent corneal infection. Here, we develop zwitterionic and antimicrobial metal-phenolic networks (MPNs) based on the coordination of copper ions (CuII) and the poly(carboxylbetaine-co-dopamine methacrylamide) copolymer (PCBDA), which can be easily one-step prepared onto CLs due to the near-universal adherent properties of catechol groups. The zwitterionic and antifouling carboxybetaine (CB) groups of the CuII-PCBDA coating can significantly increase the wettability of CLs and reduce their protein adsorptions, resulting in a lens surface that is more water retentive and with lower protein binding to prevent tear film evaporation and eye dryness. In addition, since the immobilized copper ions in the MPNs impart them with ion-mediated antimicrobial activity, the CuII-PCBDA coating exhibits a strong and broad-spectrum antimicrobial activity against MK related pathogenic microbes, including bacteria, such as Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus, and fungi, such as Candida albicans. Compared with a pristine CL, the CuII-PCBDA-coated CL effectively inhibited biofilm formation even after daily exposure to the above microbial environment for 14 days. Notably, the CuII-PCBDA coating developed in this study is not only biocompatible with 100% cell viability following direct contact with human corneal epithelial cells (HCECs) for 48 h but also maintains the optical clarity of the native CLs. Thus, the CuII-PCBDA coating has a great application potential for the development of a multifunctional surface coating for CLs for increased CL comfort and prevention of MK.
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Affiliation(s)
- Gongyan Liu
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Kaijun Li
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Haibo Wang
- Textile Institute, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Li Ma
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Ling Yu
- Department of Ophthalmology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Yu Nie
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
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22
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Zhou J, Lin Y, Lv J, Zhou L, Hu H, Yu L, Zhang Q, Yang H, Luo Z. Grafting with chondroitin sulfate on poly(vinyl alcohol) to improve antifouling property. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2020. [DOI: 10.1680/jbibn.19.00005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Poly(vinyl alcohol) (PVA) hydrogels become muddy while used in artificial corneas. To enhance the antifouling property of PVA hydrogels, a PVA hydrogel was grafted with chondroitin sulfate (CdS) through a two-step reaction in this work. The surface chemical compositions, surface morphology and thermal property of the hydrogel were characterized by attenuated total reflectance FTIR, X-ray photoelectron spectroscopy, atomic force microscopy, scanning electron microscopy and thermogravimetric analysis. It was confirmed that CdS was successfully grafted onto the surface of the PVA hydrogel through a two-step method. After grafting with p(GMA-CdS) (GMA: glycidyl methacrylate), both the thermal and mechanical properties of the PVA hydrogel became weaker and the PVA hydrogel became hydrophilic. The biocompatibility of the PVA-g-p(GMA-CdS) hydrogel could be considered as non-cytotoxic according to ISO 10993-5:2009. The antifouling property of the PVA-g-p(GMA-CdS) hydrogel, namely its anti-protein adsorption and anti-cell adhesion, was significantly improved due to surface hydration, steric exclusion effect and charge surface. The anti-protein adsorption of the PVA-g-p(GMA-CdS) hydrogel increased by about 33·48% in comparison with that of the PVA hydrogel and the anti-cell adhesion increased by about 67·92%. Overall, the PVA-g-p(GMA-CdS) hydrogel is an ideal biomaterial candidate for artificial corneas.
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Affiliation(s)
- Jinsheng Zhou
- Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
| | - Yanming Lin
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Jing Lv
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Li Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Huiyuan Hu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Li Yu
- Shenzhen Eye Hospital, Shenzhen, China; Shenzhen Key Laboratory of Ophthalmology, Shenzhen, China
| | - Qilong Zhang
- Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
| | - Hui Yang
- Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China
| | - Zhongkuan Luo
- Department of Materials Science and Engineering, Zhejiang University, Hangzhou, China; College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
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Keshavarz H, Khavandi A, Alamolhoda S, Naimi-Jamal MR. Magnetite mesoporous silica nanoparticles embedded in carboxybetaine methacrylate for application in hyperthermia and drug delivery. NEW J CHEM 2020. [DOI: 10.1039/d0nj00939c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Magnetite mesoporous silica nanoparticles (MMSNs) are biocompatible and can easily deliver a drug to the target tissue, but there are two challenges: burst effect and protein corona.
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Affiliation(s)
- Hasan Keshavarz
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - Alireza Khavandi
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - Somaye Alamolhoda
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - M. Reza Naimi-Jamal
- Research Laboratory of Green Organic Synthesis & Polymers, Department of Chemistry
- Iran University of Science and Technology
- Tehran
- Iran
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24
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Keshavarz H, Khavandi A, Alamolhoda S, Naimi-Jamal MR. pH-Sensitive magnetite mesoporous silica nanocomposites for controlled drug delivery and hyperthermia. RSC Adv 2020; 10:39008-39016. [PMID: 35518395 PMCID: PMC9057345 DOI: 10.1039/d0ra06916g] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/16/2020] [Indexed: 02/04/2023] Open
Abstract
In clinical applications, chemotherapy and hyperthermia are commonly used together. To achieve this, we synthesized multifunctional magnetite mesoporous silica nanoparticles (MMSNs) coated with a chitosan hydrogel. pH-Responsive chitosan hydrogels (cross-linked glutaraldehyde) were used to cover mesoporous silica pores. The infrared spectroscopy (FT-IR) and electron microscopy images (SEM and TEM) confirm that a hydrogel layer and a silica shell were formed. By applying alternating magnetic fields (AMF) to nanogels, heat generation (43 °C) occurred within a short time. The drug release (tamoxifen) of nanogels was studied for 72 h at different pH and temperatures. Drug release at pH 7.4/T = 37 °C (simulating physiological condition) and pH 5/T = 43 °C (pH simulating endosomes/hyperthermia) were 15 and 70%, respectively, so, drug release was increased with hyperthermia. To determine the biocompatibility of the nanogels, an MTT assay of L929 cells was performed for 24, 48 and 72 h. The results show high biocompatibility of nanogels even at high concentrations (over 80% cell viability after 72 h for all concentrations). Magnetite mesoporous silica nanoparticles coated with chitosan for simulanious hypertherima and chemotherapy.![]()
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Affiliation(s)
- Hasan Keshavarz
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - Alireza Khavandi
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - Somaye Alamolhoda
- School of Metallurgy and Materials Engineering
- Iran University of Science and Technology
- Tehran
- Iran
| | - M. Reza Naimi-Jamal
- Research Laboratory of Green Organic Synthesis & Polymers
- Department of Chemistry
- Iran University of Science and Technology
- Tehran
- Iran
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25
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Chimisso V, Maffeis V, Hürlimann D, Palivan CG, Meier W. Self-Assembled Polymeric Membranes and Nanoassemblies on Surfaces: Preparation, Characterization, and Current Applications. Macromol Biosci 2019; 20:e1900257. [PMID: 31549783 DOI: 10.1002/mabi.201900257] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/30/2019] [Indexed: 01/11/2023]
Abstract
Biomembranes play a crucial role in a multitude of biological processes, where high selectivity and efficiency are key points in the reaction course. The outstanding performance of biological membranes is based on the coupling between the membrane and biomolecules, such as membrane proteins. Polymer-based membranes and assemblies represent a great alternative to lipid ones, as their presence not only dramatically increases the mechanical stability of such systems, but also opens the scope to a broad range of chemical functionalities, which can be fine-tuned to selectively combine with a specific biomolecule. Tethering the membranes or nanoassemblies on a solid support opens the way to a class of functional surfaces finding application as sensors, biocomputing systems, molecular recognition, and filtration membranes. Herein, the design, physical assembly, and biomolecule attachment/insertion on/within solid-supported polymeric membranes and nanoassemblies are presented in detail with relevant examples. Furthermore, the models and applications for these materials are highlighted with the recent advances in each field.
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Affiliation(s)
- Vittoria Chimisso
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4056, Basel, Switzerland
| | - Viviana Maffeis
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4056, Basel, Switzerland
| | - Dimitri Hürlimann
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4056, Basel, Switzerland
| | - Cornelia G Palivan
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4056, Basel, Switzerland
| | - Wolfgang Meier
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4056, Basel, Switzerland
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Liu Y, Hu H, Yang X, Lv J, Zhou L, Luo Z. Hydrophilic modification on polyvinyl alcohol membrane by hyaluronic acid. Biomed Mater 2019; 14:055009. [DOI: 10.1088/1748-605x/ab3010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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