1
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Wang SC, Du ST, Hashmi S, Cui SM, Li L, Handschuh-Wang S, Zhou X, Stadler FJ. Understanding Gel-Powers: Exploring Rheological Marvels of Acrylamide/Sodium Alginate Double-Network Hydrogels. Molecules 2023; 28:4868. [PMID: 37375423 DOI: 10.3390/molecules28124868] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/15/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023] Open
Abstract
This study investigates the rheological properties of dual-network hydrogels based on acrylamide and sodium alginate under large deformations. The concentration of calcium ions affects the nonlinear behavior, and all gel samples exhibit strain hardening, shear thickening, and shear densification. The paper focuses on systematic variation of the alginate concentration-which serves as second network building blocks-and the Ca2+-concentration-which shows how strongly they are connected. The precursor solutions show a typical viscoelastic solution behavior depending on alginate content and pH. The gels are highly elastic solids with only relatively small viscoelastic components, i.e., their creep and creep recovery behavior are indicative of the solid state after only a very short time while the linear viscoelastic phase angles are very small. The onset of the nonlinear regime decreases significantly when closing the second network (alginate) upon adding Ca2+, while at the same time the nonlinearity parameters (Q0, I3/I1, S, T, e3/e1, and v3/v1) increase significantly. Further, the tensile properties are significantly improved by closing the alginate network by Ca2+ at intermediate concentrations.
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Affiliation(s)
- Shi-Chang Wang
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen 518055, China
| | - Shu-Tong Du
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Saud Hashmi
- Department of Polymer & Petrochemical Engineering, NED University of Engineering & Technology, Karachi 75270, Pakistan
| | - Shu-Ming Cui
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen 518055, China
- The International School of Advanced Materials, School of Emergent Soft Matter, South China University of Technology, Guangzhou 511442, China
| | - Ling Li
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen 518055, China
| | - Stephan Handschuh-Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
- The International School of Advanced Materials, School of Emergent Soft Matter, South China University of Technology, Guangzhou 511442, China
| | - Xuechang Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Florian J Stadler
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen 518055, China
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2
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Hashmi S, Ahmed R, Rehman AU, García-Peñas A, Zahoor A, Khan F, Vatankhah-Varnosfaderani M, Alshahrani T, Stadler FJ. Study of the synergistic influence of zwitterionic interactions and graphene oxide on water diffusion mechanism and mechanical properties in hybrid hydrogel network. CHEMOSPHERE 2023; 314:137710. [PMID: 36592834 DOI: 10.1016/j.chemosphere.2022.137710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/15/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Hybrid hydrogels based on n-isopropylacrylamide, zwitterionic comonomer, and graphene oxide were synthesized to study their physical and mechanical properties. The compositional variation largely influenced the swelling characteristics of the hybrid hydrogels compared to mechanical properties, i.e., elongation and compression. Additionally, Rheometric swelling measurements on the swollen hydrogels were performed until they reached equilibrium showed a very low phase angle δ indicating strong covalent network, which intrun increases with increasing content of zwitterions and GO. Swelling kinetics were studied and found to follow Fickian dynamics, albeit zwitterion-containing gels showed a peculiar 2-step swelling pattern. Interestingly, differences in the swelling mechanism are also clear for the hydrogels with 2D GO (Graphene oxide) nano-fillers from its 1D nano-filler CNTs (Carbon nanotubes). In elongation, the samples break in a brittle fashion at Hencky strains εmax around 0.4-0.65 with the maximum stress being observed for samples with high Zw-content and 0.2% GO, which can be explained by the stress-rising properties of sharp edges of GO. In contrast, the data in compression profits from higher GO-contents as crack growth is less important in this deformation mode. This work will contribute to future composite gel applications.
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Affiliation(s)
- Saud Hashmi
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, 518055, PR China; Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology, Pakistan
| | - Rafiq Ahmed
- Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology, Pakistan
| | - Adeel Ur Rehman
- Department of Chemical Engineering, University of Karachi, Pakistan
| | - Alberto García-Peñas
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, 518055, PR China; Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB), Universidad Carlos III de Madrid, 28911, Leganés, Madrid, Spain
| | - Awan Zahoor
- Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology, Pakistan
| | - Firoz Khan
- Interdisciplinary Research Center for Renewable Energy and Power Systems (IRC-REPS), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | | | - Thamraa Alshahrani
- Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia.
| | - Florian J Stadler
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, 518055, PR China.
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3
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Yue Q, Wen SP, Fielding LA. Preparation and characterisation of graphene oxide containing block copolymer worm gels. SOFT MATTER 2022; 18:2422-2433. [PMID: 35266496 DOI: 10.1039/d2sm00045h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This paper reports a generic method for preparing reinforced nanocomposite worm-gels. Aqueous poly(glycerol monomethacrylate)-b-poly(2-hydroxypropyl methacrylate) (PGMA-PHPMA) and methanolic poly(glycerol monomethacrylate)-b-poly(benzyl methacrylate) (PGMA-PBzMA) worm gels were prepared by RAFT-mediated polymerisation-induced self-assembly (PISA). The former system undergoes a reversible worm-to-sphere degelation transition upon cooling to 5 °C whilst the latter system undergoes the same transition on heating to 56 °C. This transition allows these copolymer dispersions to be readily mixed with graphene oxide (GO) whilst in a low viscosity state and form nanocomposite gels on returning to room temperature via a sphere-to-worm transition. Various quantities of GO were added to the studied copolymer dispersions at a fixed copolymer content of 15% w/w. A general trend was observed whereby relatively small quantities of GO caused the gel strength of the nanocomposite gel to be higher than that of the pristine worm-gel, as determined by oscillatory rheology. Additional quantities of GO resulted in gel weakening or prevented gel-reformation altogether. For instance, 15% w/w PGMA52-PHPMA130 worm gels had a storage modulus (G') of approximately 1.5 kPa. The addition of 1.5% w/w GO based on the copolymer caused G' to increase to approximately 4.0 kPa but >1.5% w/w GO resulted in gel strengths <1.0 kPa. A combination of aqueous electrophoresis and transmission electron microscopy measurements were used to investigate the mechanism of nanocomposite gel formation. It was observed that the PGMA-based copolymers readily absorb onto the surface of GO. Thus, the role of GO is both to strengthen the worm-gels when an optimal concentration of GO is used, but also prevent worm-reformation if too much copolymer becomes absorbed on the surface of the sheets.
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Affiliation(s)
- Qi Yue
- Department of Materials, School of Natural Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
- Henry Royce Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Shang-Pin Wen
- Department of Materials, School of Natural Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - Lee A Fielding
- Department of Materials, School of Natural Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
- Henry Royce Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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4
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Kim S, Kim C, Chung H. N-heterocyclic Carbene Containing Homogeneous Ru Catalyst for Aqueous Atom Transfer Radical Polymerization of Water-soluble Vinyl Monomers. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Zhang Z, Jiang W, Xie X, Liang H, Chen H, Chen K, Zhang Y, Xu W, Chen M. Recent Developments of Nanomaterials in Hydrogels: Characteristics, Influences, and Applications. ChemistrySelect 2021. [DOI: 10.1002/slct.202103528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Zongzheng Zhang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Wenqing Jiang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Xinmin Xie
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Haiqing Liang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Hao Chen
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Kun Chen
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Ying Zhang
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Wenlong Xu
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Mengjun Chen
- School of Qilu Transportation Shandong University Jinan 250002 China
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6
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Hashmi S, Nadeem S, García‐Peñas A, Ahmed R, Zahoor A, Vatankhah‐Varnoosfaderani M, Stadler FJ. Study the Effects of Supramolecular Interaction on Diffusion Kinetics in Hybrid Hydrogels of Zwitterionic Polymers and CNTs. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Saud Hashmi
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Shenzhen University Shenzhen 518055 P. R. China
- Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology Karachi Sindh 75270 Pakistan
| | - Saad Nadeem
- Department of Chemical Engineering NED University of Engineering & Technology Karachi Sindh 75270 Pakistan
| | - Alberto García‐Peñas
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Shenzhen University Shenzhen 518055 P. R. China
- Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB) Universidad Carlos III de Madrid Leganés Madrid 28911 Spain
| | - Rafiq Ahmed
- Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology Karachi Sindh 75270 Pakistan
| | - Awan Zahoor
- Department of Polymer & Petrochemical Engineering NED University of Engineering & Technology Karachi Sindh 75270 Pakistan
| | | | - Florian J. Stadler
- College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Shenzhen University Shenzhen 518055 P. R. China
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7
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Şimşek C, Erbil C. Poly(N-isopropylacrylamide) based pH- and temperature-sensitive ampholytic hydrogels with tunable mechanical, swelling and drug release properties. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.1960333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Ceyda Şimşek
- Chemistry Department, Istanbul Technical University, Maslak, Turkey
| | - Candan Erbil
- Chemistry Department, Istanbul Technical University, Maslak, Turkey
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8
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Liang W, García‐Peñas A, Sharma G, Kumar A, Stadler FJ. Competition between Physical Cross‐Linking and Phase Transition Temperature in Blends Based on Poly(
N
‐isopropylacrylamide‐co‐
N
‐ethylacrylamide) Copolymers and Carboxymethyl Cellulose. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000081] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Weijun Liang
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
| | - Alberto García‐Peñas
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen University Shenzhen 518060 P. R. China
- Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB)Universidad Carlos III de Madrid Leganés Madrid 28911 Spain
| | - Gaurav Sharma
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen University Shenzhen 518060 P. R. China
| | - Amit Kumar
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen University Shenzhen 518060 P. R. China
| | - Florian J. Stadler
- College of Materials Science and EngineeringShenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsNanshan District Key Laboratory for Biopolymers and Safety EvaluationShenzhen University Shenzhen 518055 P. R. China
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9
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Du L, Ghavaminejad A, Vatankhah-Varnoosfaderani M, Stadler FJ. Study of the Interactions of Zwitterions and Carbon Nanotubes by Nonlinear Rheology in an Aqueous Environment. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1964-1972. [PMID: 30340438 DOI: 10.1021/acs.langmuir.8b01778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Aqueous nanocomposite solutions of P(NIPAM) and P(NIPAM- co- N-(3-Sulfopropyl)- N-(methacryloxyethyl)- N,N-dimethylammonium betaine), a zwitterionic monomer with carbon nanotubes (CNT) as filler, were synthesized and characterized rheologically. While the influence of P(NIPAM) content and CNT content can be considered to be relatively minor, the introduction of a zwitterionic monomer (Zw) into the polymer leads to clear rheological traces of strong interactions between zwitterionic moieties and surface moieties on the CNTs, namely, a significantly lower nonlinearity limit and a lower modulus at high Zw contents and a higher modulus at intermediate contents due to adsorption of zwitterionic moieties on the CNT surface as well as a significantly lengthened time for the sample to adjust itself to the applied deformation, suggesting that the adsorbed polymer chains need to reorganize themselves significantly to accommodate to the applied strain γ0.
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Affiliation(s)
- Lei Du
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials , Shenzhen University , Shenzhen 518055 , PR China
- Key Laboratory of Optoelectronic Devices and System of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 516080 , PR China
| | - Amin Ghavaminejad
- Advanced Pharmaceutics & Drug Delivery Laboratory, Leslie Dan Faculty of Pharmacy , University of Toronto , 144 College Street , Toronto , Ontario , Canada M5S 3M2
- School of Semiconductor and Chemical Engineering , Chonbuk National University , Baekjero 567, Deokjin-gu , Jeonju , Jeonbuk 561-756 , Republic of Korea
| | - Mohammad Vatankhah-Varnoosfaderani
- Singular Genomics Systems Inc. , 10931 N. Torrey Pines Road , La Jolla , California , 92037 , United States
- School of Semiconductor and Chemical Engineering , Chonbuk National University , Baekjero 567, Deokjin-gu , Jeonju , Jeonbuk 561-756 , Republic of Korea
| | - Florian J Stadler
- College of Materials Science and Engineering, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials , Shenzhen University , Shenzhen 518055 , PR China
- School of Semiconductor and Chemical Engineering , Chonbuk National University , Baekjero 567, Deokjin-gu , Jeonju , Jeonbuk 561-756 , Republic of Korea
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10
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Cai B, Luo Y, Guo Q, Zhang X, Wu Z. A glucose-sensitive block glycopolymer hydrogel based on dynamic boronic ester bonds for insulin delivery. Carbohydr Res 2017; 445:32-39. [PMID: 28395252 DOI: 10.1016/j.carres.2017.04.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 03/18/2017] [Accepted: 04/05/2017] [Indexed: 12/01/2022]
Abstract
Hydrogels are good candidates to satisfy many needs for functional and tunable biomaterials. How to precisely control the gel structure and functions is crucial for the construction of sophisticated soft biomaterials comprising the hydrogels, which facilitates the impact of the surrounding environment on a unique biological function occurring. Here, glucose-responsive hydrogels comprised of 3-acrylamidophenyl boronic acid copolymerized with 2-lactobionamidoethyl methacrylate (p(APBA-b-LAMA)) were synthesized, and further evaluated as carriers for insulin delivery. The formation of (p(APBA-b-LAMA)) hydrogel was based on dynamic covalent bond using the association of boronic acid with diols. P(APBA-b-LAMA) hydrogel with the typical porous structure showed a rapid increase in equilibrium of swelling, which was up to 1856% after incubation with aqueous solution. Using insulin as a model protein therapeutic, p(APBA-b-LAMA) hydrogel exhibited high drug loading capability up to 15.6%, and also displayed glucose-dependent insulin release under physiological conditions. Additionally, the viability of NIH3T3 cells was more than 90% after treated with p(APBA-b-LAMA) hydrogel, indicating that the hydrogel had no cytotoxicity. Consequently, the novel p(APBA-b-LAMA) hydrogel has a practical application for diabetes treatment.
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Affiliation(s)
- Baoqi Cai
- The Xiyu Village Street Community Health Service Center in Hongqiao District, Tianjin, 300130, China
| | - Yanping Luo
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, 300070, Tianjin, China
| | - Qianqian Guo
- Key Laboratory of Functional Polymer Materials of Ministry Education, Institute of Polymer Chemistry, Nankai University, Tianjin, 300071, China
| | - Xinge Zhang
- Key Laboratory of Functional Polymer Materials of Ministry Education, Institute of Polymer Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhongming Wu
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, 300070, Tianjin, China.
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11
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Wang Q, Biswas CS, Galluzzi M, Wu Y, Du B, Stadler FJ. Random copolymer gels of N-isopropylacrylamide and N-ethylacrylamide: effect of synthesis solvent compositions on their properties. RSC Adv 2017. [DOI: 10.1039/c6ra27348c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Random copolymer gels of N-isopropylacrylamide (NIPAM) and N-ethylacrylamide (NEAM) were synthesized using 1 : 1 monomer molar ratio in different methanol–water mixtures. (xm = 0, 0.06, 0.13, 0.21, 0.31 0.43, 0.57, 0.76, where xm = mole fraction of methanol) (xm = 0, 0.06, 0.13, 0.21, 0.31, 0.43, 0.57, 0.76, where xm = mole fraction of methanol).
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Affiliation(s)
- Qiao Wang
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
| | - Chandra Sekhar Biswas
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
| | - Massimiliano Galluzzi
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
| | - Yuhang Wu
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
| | - Bing Du
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
| | - Florian. J. Stadler
- College of Materials Science and Engineering
- Shenzhen Key Laboratory of Polymer Science and Technology
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Nanshan District Key Lab for Biopolymers and Safety Evaluation
- Shenzhen University
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12
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Hildebrand V, Laschewsky A, Päch M, Müller-Buschbaum P, Papadakis CM. Effect of the zwitterion structure on the thermo-responsive behaviour of poly(sulfobetaine methacrylates). Polym Chem 2017. [DOI: 10.1039/c6py01220e] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Modulating the thermo-responsive behaviour of poly(sulfobetaine methacrylates) whereby small structural changes cause big effects but show little logic.
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Affiliation(s)
- Viet Hildebrand
- Institut für Chemie
- Universität Potsdam
- 14476 Potsdam-Golm
- Germany
| | - André Laschewsky
- Institut für Chemie
- Universität Potsdam
- 14476 Potsdam-Golm
- Germany
- Fraunhofer Institute for Applied Polymer Research IAP
| | | | - Peter Müller-Buschbaum
- Physik-Department
- Lehrstuhl für Funktionelle Materialien/Fachgebiet Physik Weicher Materie
- Technische Universität München
- 85748 Garching
- Germany
| | - Christine M. Papadakis
- Physik-Department
- Lehrstuhl für Funktionelle Materialien/Fachgebiet Physik Weicher Materie
- Technische Universität München
- 85748 Garching
- Germany
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13
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Vatankhah-Varnoosfaderani M, Ina M, Adelnia H, Li Q, Zhushma AP, Hall LJ, Sheiko SS. Well-Defined Zwitterionic Microgels: Synthesis and Application as Acid-Resistant Microreactors. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01713] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
| | - Maria Ina
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Hossein Adelnia
- Department
of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran
| | - Qiaoxi Li
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Aleksandr P. Zhushma
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Lee J. Hall
- Halliburton Company, 3000 N. Sam Houston Parkway E., Houston, Texas 77032, United States
| | - Sergei S. Sheiko
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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14
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pH/NIR Light-Controlled Multidrug Release via a Mussel-Inspired Nanocomposite Hydrogel for Chemo-Photothermal Cancer Therapy. Sci Rep 2016; 6:33594. [PMID: 27646591 PMCID: PMC5028867 DOI: 10.1038/srep33594] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/24/2016] [Indexed: 01/08/2023] Open
Abstract
This study reports on an intelligent composite hydrogel with both pH-dependent drug release in a cancer environment and heat generation based on NIR laser exposure, for the combined application of photothermal therapy (PTT) and multidrug chemotherapy. For the first time in the literature, Dopamine nanoparticle (DP) was incorporated as a highly effective photothermal agent as well as anticancer drug, bortezomib (BTZ) carrier inside a stimuli responsive pNIPAAm-co-pAAm hydrogel. When light is applied to the composite hydrogel, DP nanoparticle absorbs the light, which is dissipated locally as heat to impact cancer cells via hyperthermia. On the other hand, facile release of the anticancer drug BTZ from the surface of DP encapsulated hydrogel could be achieved due to the dissociation between catechol groups of DP and the boronic acid functionality of BTZ in typical acidic cancer environment. In order to increase the synergistic effect by dual drug delivery, Doxorubicin (DOXO) were also loaded to pNIPAAm-co-pAAm/DP-BTZ hydrogel and the effect of monotherapy as well as combined therapy were detailed by a complete characterization. Our results suggest that these mussel inspired nanocomposite with excellent heating property and controllable multidrug release can be considered as a potential material for cancer therapy.
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15
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Cui Z, Zhou M, Greensmith PJ, Wang W, Hoyland JA, Kinloch IA, Freemont T, Saunders BR. A study of conductive hydrogel composites of pH-responsive microgels and carbon nanotubes. SOFT MATTER 2016; 12:4142-4153. [PMID: 27067636 DOI: 10.1039/c6sm00223d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Conductive gel composites are attracting considerable attention because of their interesting electrical and mechanical properties. Here, we report conductive gel composites constructed using only colloidal particles as building blocks. The composites were prepared from mixed dispersions of vinyl-functionalised pH-responsive microgel particles (MGs) and multi-walled carbon nanotubes (CNTs). MGs are crosslinked pH-responsive polymer colloid particles that swell when the pH approaches the pKa of the particles. Two MG systems were used which contained ethyl acrylate (EA) or methyl acrylate (MA) and around 30 mol% of methacrylic acid (MAA). The MA-based MG is a new pH-responsive system. The mixed MG/CNT dispersions formed thixotropic physical gels. Those gels were transformed into covalent interlinked electrically conducting doubly crosslinked microgel/CNT composites (DX MG/CNT) by free-radical reaction. The MGs provided the dual roles of dispersant for the CNTs and macro-crosslinker for the composite. TEM data showed evidence for strong attraction between the MG and the CNTs which facilitated CNT dispersion. An SEM study confirmed CNT dispersion throughout the composites. The mechanical properties of the composites were studied using dynamic rheology and uniaxial compression measurements. Surprisingly, both the ductility and the modulus of the gel composites increased with increasing CNT concentration used for their preparation. Human adipose-derived mesenchymal stem cells (AD-MSCs) exposed to DX MG/CNT maintained over 99% viability with metabolic activity retained over 7 days, which indicated non-cytotoxicity. The results of this study suggest that our approach could be used to prepare other DX MG/CNT gel composites and that these materials may lead to future injectable gels for advanced soft-tissue repair.
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Affiliation(s)
- Zhengxing Cui
- School of Materials, The University of Manchester, MSS Tower, Manchester, M13 9PL, UK.
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16
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Kwon Y, Matsumiya Y, Watanabe H. Viscoelastic and Orientational Relaxation of Linear and Ring Rouse Chains Undergoing Reversible End-Association and Dissociation. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00424] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Youngdon Kwon
- School of Chemical Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
| | - Yumi Matsumiya
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hiroshi Watanabe
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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17
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GhavamiNejad A, Park CH, Kim CS. In Situ Synthesis of Antimicrobial Silver Nanoparticles within Antifouling Zwitterionic Hydrogels by Catecholic Redox Chemistry for Wound Healing Application. Biomacromolecules 2016; 17:1213-23. [PMID: 26891456 DOI: 10.1021/acs.biomac.6b00039] [Citation(s) in RCA: 158] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A multifunctional hydrogel that combines the dual functionality of both antifouling and antimicrobial capacities holds great potential for many bioapplications. Many approaches and different materials have been employed to synthesize such a material. However, a systematic study, including in vitro and in vivo evaluation, on such a material as wound dressings is highly scarce at present. Herein, we report on a new strategy that uses catecholic chemistry to synthesize antimicrobial silver nanoparticles impregnated into antifouling zwitterionic hydrogels. For this purpose, hydrophobic dopamine methacrylamide monomer (DMA) was mixed in an aqueous solution of sodium tetraborate decahydrate and DMA monomer became soluble after increasing pH to 9 due to the complexation between catechol groups and boron. Then, cross-linking polymerization of zwitterionic monomer was carried out with the solution of the protected dopamine monomer to produce a new hydrogel. When this new hydrogel comes in contact with a silver nitrate solution, silver nanoparticles (AgNPs) are formed in its structure as a result of the redox property of the catechol groups and in the absence of any other external reducing agent. The results obtained from TEM and XRD measurements indicate that AgNPs with diameters of around 20 nm had formed within the networks. FESEM images confirmed that the silver nanoparticles were homogeneously incorporated throughout the hydrogel network, and FTIR spectroscopy demonstrated that the catechol moiety in the polymeric backbone of the hydrogel is responsible for the reduction of silver ions into the AgNPs. Finally, the in vitro and in vivo experiments suggest that these mussel-inspired, antifouling, antibacterial hydrogels have great potential for use in wound healing applications.
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Affiliation(s)
- Amin GhavamiNejad
- Department of Bionanosystem Engineering Graduate School and ‡Division of Mechanical Design Engineering, Chonbuk National University , Jeonju City, Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering Graduate School and ‡Division of Mechanical Design Engineering, Chonbuk National University , Jeonju City, Republic of Korea
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering Graduate School and ‡Division of Mechanical Design Engineering, Chonbuk National University , Jeonju City, Republic of Korea
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18
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Jungst T, Smolan W, Schacht K, Scheibel T, Groll J. Strategies and Molecular Design Criteria for 3D Printable Hydrogels. Chem Rev 2015; 116:1496-539. [PMID: 26492834 DOI: 10.1021/acs.chemrev.5b00303] [Citation(s) in RCA: 410] [Impact Index Per Article: 45.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Tomasz Jungst
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg , Pleicherwall 2, 97070 Würzburg, Germany
| | - Willi Smolan
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg , Pleicherwall 2, 97070 Würzburg, Germany
| | - Kristin Schacht
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth , Universitätsstrasse 30, 95447 Bayreuth, Germany
| | - Thomas Scheibel
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth , Universitätsstrasse 30, 95447 Bayreuth, Germany
| | - Jürgen Groll
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg , Pleicherwall 2, 97070 Würzburg, Germany
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19
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Watanabe H, Matsumiya Y, Masubuchi Y, Urakawa O, Inoue T. Viscoelastic Relaxation of Rouse Chains undergoing Head-to-Head Association and Dissociation: Motional Coupling through Chemical Equilibrium. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00409] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Hiroshi Watanabe
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yumi Matsumiya
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yuichi Masubuchi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Osamu Urakawa
- Department of Macromolecular
Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Tadashi Inoue
- Department of Macromolecular
Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
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20
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Synthesis and properties of hectorite/poly(AM/IA) nanocomposite hydrogels with high gel strength. J CHEM SCI 2015. [DOI: 10.1007/s12039-014-0746-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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21
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Hectorite effects on swelling and gel properties of hectorite/poly(AM/IA) nanocomposite hydrogels. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1327-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Influence of crosslinker amount on swelling and gel properties of hectorite/poly(acrylamide/itaconic acid) nanocomposite hydrogels. KOREAN J CHEM ENG 2015. [DOI: 10.1007/s11814-014-0313-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Hashmi S, GhavamiNejad A, Stadler FJ, Wu D. Oscillations in modulus in solutions of graphene oxide and reduced graphene oxide with grafted poly-N-isopropylamide. SOFT MATTER 2015; 11:1315-1325. [PMID: 25572104 DOI: 10.1039/c4sm02544j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In a material consisting of graphene oxide or reduced graphene oxide and poly-N-isopropylamide (PNIPAM) in an aqueous solution, a new type of rheological behaviour is found. When subjecting the material to a short and relatively small deformation pulse, the modulus, which is observed by small deformations in the linear-viscoelastic or very slightly nonlinear range, oscillates with periodicities between 100 and several 1000 seconds; however, in many cases, it also increases systematically. The periodicity depends on the filler content and the sample preparation method (in situ polymerisation vs. blending). When subjecting the material to high nonlinear deformations (γ0 = 100-300%), the resulting linear viscoelastic behaviour changes from a periodic oscillation to a quick recovery of the original data, followed by a decrease and a subsequent increase beyond the value of the modulus of the material prior to the deformation pulse.
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Affiliation(s)
- Saud Hashmi
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, P. R. China.
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24
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Vatankhah-Varnoosfaderani M, GhavamiNejad A, Hashmi S, Stadler FJ. Hydrogen Bonding in Aprotic Solvents, a New Strategy for Gelation of Bioinspired Catecholic Copolymers with N
-Isopropylamide. Macromol Rapid Commun 2015; 36:447-52. [DOI: 10.1002/marc.201400501] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 11/09/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammad Vatankhah-Varnoosfaderani
- College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 P.R. China
- Chonbuk National University; School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
- Islamic Azad University; Omidiyeh Branch; Department of Polymer; 63731-93719 Omidiyeh Iran
- Department of Chemistry; University of North Carolina at Chapel Hill; North Carolina 27599-3290 USA
| | - Amin GhavamiNejad
- Chonbuk National University; School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
- Department of Bionanosystem Engineering; Graduate School; Chonbuk National University; Jeonju 561-756 Republic of Korea
| | - Saud Hashmi
- Chonbuk National University; School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
- Department of Chemical Engineering; NED University of Engineering & Technology; University Road Karachi 75270 Pakistan
| | - Florian J. Stadler
- College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 P.R. China
- Chonbuk National University; School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
- Nanshan District Key Lab for Biopolymers and Safety Evaluation; Shenzhen 518060 P.R. China
- Shenzhen Engineering Laboratory for Advanced Technology of Ceramics; Shenzhen 518060 P.R. China
- Shenzhen Key Laboratory of Special Functional Materials; Shenzhen 518060 P.R. China
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25
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Yang B, Wang C, Zhang Y, Ye L, Qian Y, Shu Y, Wang J, Li J, Yao F. A thermoresponsive poly(N-vinylcaprolactam-co-sulfobetaine methacrylate) zwitterionic hydrogel exhibiting switchable anti-biofouling and cytocompatibility. Polym Chem 2015. [DOI: 10.1039/c5py00123d] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A new class of hydrogels were prepared from the combination of the non-ionic VCL with zwitterionic SBMA monomers, exhibiting anti-biofouling and cytocompatibility.
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Affiliation(s)
- Boguang Yang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Changyong Wang
- Department of Advanced Interdisciplinary Studies
- Institute of Basic Medical Sciences and Tissue Engineering Research Center
- Academy of Military Medical Science
- Beijing 100850
- China
| | - Yabin Zhang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Lei Ye
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Yufeng Qian
- Department of Chemistry and Biochemistry
- University of Texas at Austin
- Austin
- USA
| | - Yao Shu
- Department of Advanced Interdisciplinary Studies
- Institute of Basic Medical Sciences and Tissue Engineering Research Center
- Academy of Military Medical Science
- Beijing 100850
- China
| | - Jinmei Wang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Junjie Li
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Department of Advanced Interdisciplinary Studies
| | - Fanglian Yao
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Key Laboratory of Systems Bioengineering
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26
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Julkapli NM, Bagheri S, Sapuan SM. Multifunctionalized Carbon Nanotubes Polymer Composites: Properties and Applications. ADVANCED STRUCTURED MATERIALS 2015. [DOI: 10.1007/978-81-322-2470-9_6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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27
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Li J, Li H, Yang X, Luo P, Wu Z, Zhang X. The supramolecular hydrogel based on hyperbranched polyglycerol and dextran as a scaffold for living cells and drug delivery. RSC Adv 2015. [DOI: 10.1039/c5ra14959b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel supramolecular hydrogel AD-g-HPG/CD-g-Dex based on host–guest interaction as a scaffold for cell proliferation and drug delivery.
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Affiliation(s)
- Jing Li
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
- The Key Laboratory of Hormones and Development (Ministry of Health)
- Metabolic Diseases Hospital & Tianjin Institute of Endocrinology
- Tianjin Medical University
- Tianjin 300070
| | - Huimin Li
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
- The Key Laboratory of Hormones and Development (Ministry of Health)
- Metabolic Diseases Hospital & Tianjin Institute of Endocrinology
- Tianjin Medical University
- Tianjin 300070
| | - Xiaoyuan Yang
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
- The Key Laboratory of Hormones and Development (Ministry of Health)
- Metabolic Diseases Hospital & Tianjin Institute of Endocrinology
- Tianjin Medical University
- Tianjin 300070
| | - Pingyan Luo
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
- The Key Laboratory of Hormones and Development (Ministry of Health)
- Metabolic Diseases Hospital & Tianjin Institute of Endocrinology
- Tianjin Medical University
- Tianjin 300070
| | - Zhongming Wu
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
- The Key Laboratory of Hormones and Development (Ministry of Health)
- Metabolic Diseases Hospital & Tianjin Institute of Endocrinology
- Tianjin Medical University
- Tianjin 300070
| | - Xinge Zhang
- Key Laboratory of Functional Polymer Materials of Ministry Education
- Institute of Polymer Chemistry
- Nankai University
- Tianjin 300071
- China
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28
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Kumar GG, Hashmi S, Karthikeyan C, GhavamiNejad A, Vatankhah-Varnoosfaderani M, Stadler FJ. Graphene oxide/carbon nanotube composite hydrogels-versatile materials for microbial fuel cell applications. Macromol Rapid Commun 2014; 35:1861-5. [PMID: 25228415 DOI: 10.1002/marc.201400332] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 07/31/2014] [Indexed: 11/10/2022]
Abstract
Carbonaceous nanocomposite hydrogels are prepared with an aid of a suspension polymerization method and are used as anodes in microbial fuel cells (MFCs). (Poly N-Isopropylacrylamide) (PNIPAM) hydrogels filled with electrically conductive carbonaceous nanomaterials exhibit significantly higher MFC efficiencies than the unfilled hydrogel. The observed morphological images clearly show the homogeneous dispersion of carbon nanotubes (CNTs) and graphene oxide (GO) in the PNIPAM matrix. The complex formation of CNTs and GO with NIPAM is evidenced from the structural characterizations. The effectual MFC performances are influenced by combining the materials of interest (GO and CNTs) and are attributed to the high surface area, number of active sites, and improved electron-transfer processes. The obtained higher MFC efficiencies associated with an excellent durability of the prepared hydrogels open up new possibilities for MFC anode applications.
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Affiliation(s)
- G Gnana Kumar
- Department of Physical Chemistry, Madurai Kamaraj University, Madurai, 625 021, Tamilnadu, India
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29
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Obiweluozor FO, GhavamiNejad A, Hashmi S, Vatankhah-Varnoosfaderani M, Stadler FJ. A NIPAM-Zwitterion Copolymer: Rheological Interpretation of the Specific Ion Effect on the LCST. MACROMOL CHEM PHYS 2014. [DOI: 10.1002/macp.201300778] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Francis O. Obiweluozor
- Chonbuk National University, School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
| | - Amin GhavamiNejad
- College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 P. R. China
- Chonbuk National University, School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
| | - Saud Hashmi
- Department of Chemical Engineering; NED University of Engineering & Technology; University Road Karachi 75270 Pakistan
| | - Mohammad Vatankhah-Varnoosfaderani
- Islamic Azad University, Omidiyeh Branch, Department of Polymer; 63731-93719 Omidiyeh Iran
- Department of Chemistry; University of North Carolina, Chapel Hill; North Carolina 27599-3290 USA
| | - Florian J. Stadler
- College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 P. R. China
- Chonbuk National University, School of Semiconductor and Chemical Engineering; Baekjero 567, Deokjin-gu Jeonju Jeonbuk 561-756 Republic of Korea
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30
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Gallagher S, Kavanagh A, Zíołkowski B, Florea L, MacFarlane DR, Fraser K, Diamond D. Ionic liquid modulation of swelling and LCST behavior of N-isopropylacrylamide polymer gels. Phys Chem Chem Phys 2014; 16:3610-6. [DOI: 10.1039/c3cp53397b] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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GhavamiNejad A, Hashmi S, Joh HI, Lee S, Lee YS, Vatankhah-Varnoosfaderani M, Stadler FJ. Network formation in graphene oxide composites with surface grafted PNIPAM chains in aqueous solution characterized by rheological experiments. Phys Chem Chem Phys 2014; 16:8675-85. [DOI: 10.1039/c3cp55092c] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Poly N-isopropyl acrylamide (PNI) radically polymerized in aqueous solution in the presence of graphene oxide (GO) can significantly change the properties of the resulting solution from a regular polymer solution to a soft solid with a GO content of only 0.176 wt% (3 wt% with respect to PNI).
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Affiliation(s)
- Amin GhavamiNejad
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060, PR China
- Chonbuk National University
- School of Semiconductor and Chemical Engineering
| | - Saud Hashmi
- Chonbuk National University
- School of Semiconductor and Chemical Engineering
- Jeonju, Republic of Korea
- Department of Chemical Engineering
- NED University of Engineering & Technology
| | - Han-Ik Joh
- Carbon Convergence Materials Research Center
- Institute of Advanced Composite Materials
- Korea Institute of Science and Technology
- Wanju-gu, Republic of Korea
| | - Sungho Lee
- Carbon Convergence Materials Research Center
- Institute of Advanced Composite Materials
- Korea Institute of Science and Technology
- Wanju-gu, Republic of Korea
| | - Youn-Sik Lee
- Chonbuk National University
- School of Semiconductor and Chemical Engineering
- Jeonju, Republic of Korea
| | - Mohammad Vatankhah-Varnoosfaderani
- Chonbuk National University
- School of Semiconductor and Chemical Engineering
- Jeonju, Republic of Korea
- Islamic Azad University
- Omidiyeh Branch
| | - Florian J. Stadler
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060, PR China
- Chonbuk National University
- School of Semiconductor and Chemical Engineering
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32
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Lee H, Ryu J, Kim D, Joo Y, Lee SU, Sohn D. Preparation of an imogolite/poly(acrylic acid) hybrid gel. J Colloid Interface Sci 2013; 406:165-71. [DOI: 10.1016/j.jcis.2013.05.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Revised: 05/04/2013] [Accepted: 05/16/2013] [Indexed: 11/28/2022]
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