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Al-Shaeli M, Benkhaya S, Al-Juboori RA, Koyuncu I, Vatanpour V. pH-responsive membranes: Mechanisms, fabrications, and applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:173865. [PMID: 38880142 DOI: 10.1016/j.scitotenv.2024.173865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/31/2024] [Accepted: 06/07/2024] [Indexed: 06/18/2024]
Abstract
Understanding the mechanisms of pH-responsiveness allows researchers to design and fabricate membranes with specific functionalities for various applications. The pH-responsive membranes (PRMs) are particular categories of membranes that have an amazing aptitude to change their properties such as permeability, selectivity and surface charge in response to changes in pH levels. This review provides a brief introduction to mechanisms of pH-responsiveness in polymers and categorizes the applied polymers and functional groups. After that, different techniques for fabricating pH-responsive membranes such as grafting, the blending of pH-responsive polymers/microgels/nanomaterials, novel polymers and graphene-layered PRMs are discussed. The application of PRMs in different processes such as filtration membranes, reverse osmosis, drug delivery, gas separation, pervaporation and self-cleaning/antifouling properties with perspective to the challenges and future progress are reviewed. Lastly, the development and limitations of PRM fabrications and applications are compared to provide inclusive information for the advancement of next-generation PRMs with improved separation and filtration performance.
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Affiliation(s)
- Muayad Al-Shaeli
- Paul Wurth Chair, Faculty of Science, Technology and Medicine, University of Luxembourg, Avenue de l'Universit'e, L-4365 Esch-sur-Alzette, Luxembourg
| | - Said Benkhaya
- Department of Civil and Environmental Engineering, Shantou University, Shantou, Guangdong 515063, China
| | - Raed A Al-Juboori
- NYUAD Water Research Center, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, United Arab Emirates
| | - Ismail Koyuncu
- National Research Center on Membrane Technologies, Istanbul Technical University, Maslak, Turkey; Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
| | - Vahid Vatanpour
- Department of Environmental Engineering, Istanbul Technical University, Maslak, Istanbul 34469, Turkey; Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, 15719-14911 Tehran, Iran.
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2
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Improving the permselectivity of asymmetric isoporous membranes by blending the micro-sized metal-organic frameworks(MOFs) crystals with block copolymer. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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3
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Yu Y, Zhou Z, Huang G, Cheng H, Han L, Zhao S, Chen Y, Meng F. Purifying water with silver nanoparticles (AgNPs)-incorporated membranes: Recent advancements and critical challenges. WATER RESEARCH 2022; 222:118901. [PMID: 35933814 DOI: 10.1016/j.watres.2022.118901] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/19/2022] [Accepted: 07/23/2022] [Indexed: 06/15/2023]
Abstract
In the face of the growing global water crisis, membrane technology is a promising means of purifying water and wastewater. Silver nanoparticles (AgNPs) have been widely used to improve membrane performance, for antibiofouling, and to aid in photocatalytic degradation, thermal response, and electro-conductivity. However, several critical issues such as short antimicrobial periods, trade-off effects and silver inactivation seriously restrict the engineering application of AgNPs-incorporated membranes. In addition, there is controversy around the use of AgNPs given the toxic preparation process and environmental/biological risks. Hence, it is of great significance to summarize and analyze the recent developments and critical challenges in the use of AgNPs-incorporated membranes in water and wastewater treatment, and to propose potential solutions. We reviewed the different properties and functions of AgNPs and their corresponding applications in AgNPs-incorporated membranes. Recently, multifunctional, novel AgNP-incorporated membranes combined with other functional materials have been developed with high-performance. We further clarified the synergistic mechanisms between AgNPs and these novel nanomaterials and/or polymers, and elucidated their functions and roles in membrane separation. Finally, the critical challenges of AgNPs-incorporated membranes and the proposed solutions were outlined: i) Prolonging the antimicrobial cycle through long-term and controlled AgNPs release; ii) Overcoming the trade-off effect and organic fouling of the AgNPs-incorporated membranes; iii) Preparation of sustainable AgNPs-incorporated membranes; iv) Addressing biotoxicity induced by AgNPs; and v) Deactivation of AgNPs-incorporated membrane. Overall, this review provides a comprehensive discussion of the advancements and challenges of AgNPs-incorporated membranes and guides the development of more robust, multi-functional and sustainable AgNPs-incorporated membranes.
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Affiliation(s)
- Yuanyuan Yu
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China
| | - Zhongbo Zhou
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China.
| | - Guocheng Huang
- Department of Environmental Science and Engineering, Fuzhou University, Minhou, Fujian, 350108, China
| | - Hong Cheng
- College of Environment and Ecology, Chongqing University, Chongqing, 400044, China
| | - Le Han
- College of Environment and Ecology, Chongqing University, Chongqing, 400044, China
| | - Shanshan Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yucheng Chen
- College of Resources and Environment, Southwest University, Chongqing, 400715, China; Chongqing Engineering Research Center of Rural Cleaner Production, Chongqing, 400715, China
| | - Fangang Meng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, 510006, China
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4
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Mussel primed grafted zwitterionic phosphorylcholine based superhydrophilic/underwater superoleophobic antifouling membranes for oil-water separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120887] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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5
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Zhang Z, Rahman MM, Bajer B, Scharnagl N, Abetz V. Highly selective isoporous block copolymer membranes with tunable polyelectrolyte brushes in soft nanochannels. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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6
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Nayak K, Kumar A, Tripathi BP. Molecular grafting and zwitterionization based antifouling and underwater superoleophobic PVDF membranes for oil/water separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120038] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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7
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Gungormus E, Alsoy Altinkaya S. Facile fabrication of Anti-biofouling polyaniline ultrafiltration membrane by green citric acid doping process. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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8
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Nayak K, Kumar A, Das P, Tripathi BP. Amphiphilic antifouling membranes by polydopamine mediated molecular grafting for water purification and oil/water separation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119306] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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9
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Guo L, Wang Y, Steinhart M. Porous block copolymer separation membranes for 21st century sanitation and hygiene. Chem Soc Rev 2021; 50:6333-6348. [PMID: 33890584 DOI: 10.1039/d0cs00500b] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Removing hazardous particulate and macromolecular contaminants as well as viruses with sizes from a few nm up to the 100 nm-range from water and air is crucial for ensuring sufficient sanitation and hygiene for a growing world population. To this end, high-performance separation membranes are needed that combine high permeance, high selectivity and sufficient mechanical stability under operating conditions. However, design features of separation membranes enhancing permeance reduce selectivity and vice versa. Membrane configurations combining high permeance and high selectivity suffer in turn from a lack of mechanical robustness. These problems may be tackled by using block copolymers (BCPs) as a material platform for the design of separation membranes. BCPs are macromolecules that consist of two or more chemically distinct block segments, which undergo microphase separation yielding a wealth of ordered nanoscopic domain structures. Various methods allow the transformation of these nanoscopic domain structures into customized nanopore systems with pore sizes in the sub-100 nm range and with narrow pore size distributions. This tutorial review summarizes design strategies for nanoporous state-of-the-art BCP separation membranes, their preparation, their device integration and their use for water purification.
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Affiliation(s)
- Leiming Guo
- Institut für Chemie neuer Materialien and CellNanOs, Universität Osnabrück, Barbarastr. 7, 49076 Osnabrück, Germany.
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10
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Rahman MM. Selective Swelling and Functionalization of Integral Asymmetric Isoporous Block Copolymer Membranes. Macromol Rapid Commun 2021; 42:e2100235. [PMID: 34057263 DOI: 10.1002/marc.202100235] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/07/2021] [Indexed: 11/12/2022]
Abstract
SNIPS stands for a membrane fabrication technique that combines the evaporation induced self-assembly of the block copolymers and the classical nonsolvent induced phase separation. It is a one-step readily scalable technique to fabricate integral asymmetric isoporous membranes. The prominent developments in the last decade have carved out a niche for SNIPS as a potential technique to fabricate next generation isoporous membranes. In the last decade, a rich polymer library and variety of membrane postmodification routes have been successfully implemented to fabricate SNIPS membranes having the desired pore functionality. Some of these membranes form soft nanochannels in hydrated state due to swelling of the pore wall, i.e., the pore forming block of the block copolymer. These membranes having soft nanochannels have demonstrated the potential to perform several challenging separation tasks in ultrafiltration and nanofiltration. This paper highlights the currently accessible pore functionality, the strategies to tune the swelling of the soft nanochannels, the potential applications, and future perspectives of these membranes.
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Affiliation(s)
- Md Mushfequr Rahman
- Helmholtz-Zentrum Hereon, Institute of Membrane Research, Max-Planck-Straße 1, Geesthacht, 21502, Germany
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11
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Nayak K, Tripathi BP. Molecularly grafted PVDF membranes with in-air superamphiphilicity and underwater superoleophobicity for oil/water separation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118068] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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12
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Jeon S, Lee JH. Rationally designed in-situ fabrication of thin film nanocomposite membranes with enhanced desalination and anti-biofouling performance. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118542] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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13
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Wang J, Rahman MM, Abetz C, Abetz V. Tuning the size selectivity of isoporous membranes for protein fractionation via two scalable post treatment approaches. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118535] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Zhang Z, Rahman MM, Abetz C, Höhme AL, Sperling E, Abetz V. Chemically Tailored Multifunctional Asymmetric Isoporous Triblock Terpolymer Membranes for Selective Transport. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1907014. [PMID: 31945230 DOI: 10.1002/adma.201907014] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/06/2019] [Indexed: 06/10/2023]
Abstract
Membrane-based separation of organic molecules with 1-2 nm lateral dimensions is a demanding but rather underdeveloped technology. The major challenge is to fabricate membranes having distinct nanochannels with desired functionality. Here, a bottom-up strategy to produce such a membrane using a tailor-made triblock terpolymer featuring miscible end blocks with two different functional groups is demonstrated. A scalable multifunctional integral asymmetric isoporous membrane is fabricated by the solvent evaporation-induced self-assembly of the block copolymer combined with nonsolvent-induced phase separation. The membrane nanopores are readily functionalized using positively and negatively charged moieties by two straightforward gas-solid reactions. The pores of the post-functionalized membranes act as target-specific functional soft nanochannels due to swelling of the polyelectrolyte blocks in a hydrated state. The membranes show unprecedented separation selectivity of small molecules based on size and/or charge which demonstrates the potential of the proposed strategy to prepare next-generation nanofiltration membranes.
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Affiliation(s)
- Zhenzhen Zhang
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
| | - Md Mushfequr Rahman
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
| | - Clarissa Abetz
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
| | - Anke-Lisa Höhme
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
| | - Evgeni Sperling
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
| | - Volker Abetz
- Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502, Geesthacht, Germany
- Institute of Physical Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, 20146, Hamburg, Germany
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15
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Organic acids interacting with block copolymers have broadened the window that retains isoporous structures. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.04.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Yi S, Lee WK, Park JH, Lee JS, Seo JH. One-Pot Synthesis of a Zwitterionic Small Molecule Bearing Disulfide Moiety for Antibiofouling Macro- and Nanoscale Gold Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1768-1777. [PMID: 30103611 DOI: 10.1021/acs.langmuir.8b01532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The goal of this study is to develop a simple one-pot method for the synthesis of a zwitterionic small molecule bearing disulfide moiety, which can effectively inhibit nonspecific protein adsorption on macroscopic and nanoscopic gold surfaces. To this end, the optimal molecular structure of a pyridine disulfide derivative was explored and a zwitterionic small molecule was successfully synthesized from the tertiary amine residue on the pyridine ring through a one-pot method. The coating conditions of the synthesized zwitterionic molecules on the gold surface were optimized through contact angle measurements, and the strong interactions between the gold surface and the disulfide moiety of the zwitterion small molecule were confirmed by surface plasmon resonance (SPR) analysis and X-ray photoelectron spectroscopy. The antibiofouling properties of the coated gold surface were analyzed by fluorescence microscopic observations after contacting with FITC-labeled bovine serum albumin (BSA) and SPR sensor as contacting with BSA solution. In addition, the effect of zwitterion-coating on the salt stability of and protein adsorption on nanoscopic gold surfaces were examined through a NaCl stability test and BSA adsorption test, respectively. From the obtained results, it was confirmed that the simply synthesized zwitterionic small molecule was effective in inhibiting nonspecific protein adsorption on macroscopic and nanoscopic gold surfaces; further, it enhanced the salt stability of gold nanoparticle surfaces.
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Affiliation(s)
- Seungjoo Yi
- Department of Materials Science and Engineering , Korea University , 145 Anam-ro , Seongbuk-gu , Seoul 02841 , Korea
| | - Won Kyu Lee
- Department of Materials Science and Engineering , Korea University , 145 Anam-ro , Seongbuk-gu , Seoul 02841 , Korea
| | - Ji-Ho Park
- Department of Chemistry , Sogang University , 35 Baekbeom-ro , Mapo-gu , Seoul 04107 , Korea
| | - Jae-Seung Lee
- Department of Materials Science and Engineering , Korea University , 145 Anam-ro , Seongbuk-gu , Seoul 02841 , Korea
| | - Ji-Hun Seo
- Department of Materials Science and Engineering , Korea University , 145 Anam-ro , Seongbuk-gu , Seoul 02841 , Korea
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17
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Zhang Z, Rahman MM, Abetz C, Bajer B, Wang J, Abetz V. Quaternization of a Polystyrene‐
block
‐poly(4‐vinylpyridine) Isoporous Membrane: An Approach to Tune the Pore Size and the Charge Density. Macromol Rapid Commun 2018; 40:e1800729. [DOI: 10.1002/marc.201800729] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 10/30/2018] [Indexed: 01/22/2023]
Affiliation(s)
- Zhenzhen Zhang
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
| | - Md. Mushfequr Rahman
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
| | - Clarissa Abetz
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
| | - Barbara Bajer
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
| | - Jiali Wang
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
| | - Volker Abetz
- Institute of Polymer ResearchHelmholtz‐Zentrum Geesthacht Max‐Planck‐Str. 1 21502 Geesthacht Germany
- Institute of Physical ChemistryUniversity of Hamburg Martin‐Luther‐King‐Platz 6 20146 Hamburg Germany
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18
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Su Y, Liu Y, Liu T, Wang X. Fabrication of dual‐layer poly(styrene‐
b
‐4‐vinyl pyridine)–poly(vinylidene fluoride) membranes with tailored pore sizes under 10 nm via surface quaternization. J Appl Polym Sci 2018. [DOI: 10.1002/app.47137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Y. Su
- Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical EngineeringTsinghua University Beijing 100084 People's Republic of China
| | - Y. Liu
- Aerospace Research Institute of Special Material and Processing TechnologyChina Aerospace Science and Industry Corp. Beijing 100074 People's Republic of China
| | - T. Liu
- Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical EngineeringTsinghua University Beijing 100084 People's Republic of China
| | - X. Wang
- Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical EngineeringTsinghua University Beijing 100084 People's Republic of China
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19
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Montaudo MS, Puglisi C, Battiato S, Zappia S, Destri S, Samperi F. An innovative approach for the chemical structural characterization of poly(styrene 4-vinylpyridine) copolymers by matrix-assisted laser desorption/ionization time of flight mass spectrometry. J Appl Polym Sci 2018. [DOI: 10.1002/app.46976] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- M. S. Montaudo
- Istituto per i Polimeri; Compositi e Biomateriali (IPCB) Sede Secondaria di Catania, CNR; Via Gaifami 18, 95126 Catania Italy
| | - C. Puglisi
- Istituto per i Polimeri; Compositi e Biomateriali (IPCB) Sede Secondaria di Catania, CNR; Via Gaifami 18, 95126 Catania Italy
| | - S. Battiato
- Istituto per i Polimeri; Compositi e Biomateriali (IPCB) Sede Secondaria di Catania, CNR; Via Gaifami 18, 95126 Catania Italy
| | - S. Zappia
- Istituto per lo Studio delle Macromolecole (ISMAC), CNR; Via A. Corti 12, 20133 Milan Italy
| | - S. Destri
- Istituto per lo Studio delle Macromolecole (ISMAC), CNR; Via A. Corti 12, 20133 Milan Italy
| | - F. Samperi
- Istituto per i Polimeri; Compositi e Biomateriali (IPCB) Sede Secondaria di Catania, CNR; Via Gaifami 18, 95126 Catania Italy
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20
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Zhu J, Hou J, Zhang Y, Tian M, He T, Liu J, Chen V. Polymeric antimicrobial membranes enabled by nanomaterials for water treatment. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.12.071] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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21
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Tripathi BP, Das P, Simon F, Stamm M. Ultralow fouling membranes by surface modification with functional polydopamine. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2017.12.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Mocan M, Wahdat H, van der Kooij HM, de Vos WM, Kamperman M. Systematic variation of membrane casting parameters to control the structure of thermo-responsive isoporous membranes. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.11.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Wang W, Shen D, Li X, Yao Y, Lin J, Wang A, Yu J, Wang ZL, Hong SW, Lin Z, Lin S. Light‐Driven Shape‐Memory Porous Films with Precisely Controlled Dimensions. Angew Chem Int Ed Engl 2018; 57:2139-2143. [DOI: 10.1002/anie.201712100] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Indexed: 01/11/2023]
Affiliation(s)
- Wei Wang
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Dingfeng Shen
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Xiao Li
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Yuan Yao
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Aurelia Wang
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Jiwoo Yu
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Zhong Lin Wang
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, Department of Optics and Mechatronics Engineering Pusan National University Busan 46241 Republic of Korea
| | - Zhiqun Lin
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Shaoliang Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
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24
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Wang W, Shen D, Li X, Yao Y, Lin J, Wang A, Yu J, Wang ZL, Hong SW, Lin Z, Lin S. Light‐Driven Shape‐Memory Porous Films with Precisely Controlled Dimensions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712100] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wei Wang
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Dingfeng Shen
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Xiao Li
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Yuan Yao
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Aurelia Wang
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Jiwoo Yu
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Zhong Lin Wang
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, Department of Optics and Mechatronics Engineering Pusan National University Busan 46241 Republic of Korea
| | - Zhiqun Lin
- School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA 30332 USA
| | - Shaoliang Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
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25
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Hua G, Odelius K. Isocyanate-Free, UV-Crosslinked Poly(Hydroxyurethane) Networks: A Sustainable Approach toward Highly Functional Antibacterial Gels. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201700190] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/16/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Geng Hua
- Department of Fibre and Polymer Technology; KTH Royal Institute of Technology; SE-100 44 Stockholm Sweden
| | - Karin Odelius
- Department of Fibre and Polymer Technology; KTH Royal Institute of Technology; SE-100 44 Stockholm Sweden
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26
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Shahkaramipour N, Ramanan SN, Fister D, Park E, Venna SR, Sun H, Cheng C, Lin H. Facile Grafting of Zwitterions onto the Membrane Surface To Enhance Antifouling Properties for Wastewater Reuse. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b02378] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nima Shahkaramipour
- Department
of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Sankara N. Ramanan
- Department
of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - David Fister
- New
York State Pollution Prevention Institute, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Eugene Park
- New
York State Pollution Prevention Institute, Rochester Institute of Technology, Rochester, New York 14623, United States
| | - Surendar R. Venna
- National Energy
Technology Laboratory/AECOM, 626 Cochrans
Mill Road, Pittsburgh, Pennsylvania 15236, United States
| | - Haotian Sun
- Department
of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Chong Cheng
- Department
of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
| | - Haiqing Lin
- Department
of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States
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27
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Li J, Guo G, Wang J, Zhou H, Shen H, Yeung KWK. Anti-biofouling function of amorphous nano-Ta 2O 5 coating for VO 2-based intelligent windows. NANOTECHNOLOGY 2017; 28:175705. [PMID: 28367838 DOI: 10.1088/1361-6528/aa6525] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
From environmental and health perspectives, the acquisition of a surface anti-biofouling property holds important significance for the usability of VO2 intelligent windows. Herein, we firstly deposited amorphous Ta2O5 nanoparticles on VO2 film by the magnetron sputtering method. It was found that the amorphous nano-Ta2O5 coating possessed a favorable anti-biofouling capability against Pseudomonas aeruginosa as an environmental microorganism model, behind which lay the mechanism that the amorphous nano-Ta2O5 could interrupt the microbial membrane electron transport chain and significantly elevate the intracellular reactive oxygen species (ROS) level. A plausible relationship was established between the anti-biofouling activity and physicochemical nature of amorphous Ta2O5 nanoparticles from the perspective of defect chemistry. ROS-induced oxidative damage gave rise to microbial viability loss. In addition, the amorphous nano-Ta2O5 coating can endow VO2 with favorable cytocompatibility with human skin fibroblasts. This study may provide new insights into understanding the anti-biofouling and antimicrobial actions of amorphous transition metal oxide nanoparticles, which is conducive to expanding their potential applications in environmental fields.
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Affiliation(s)
- Jinhua Li
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, People's Republic of China. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China. Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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28
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Dübner M, Naoum ME, Spencer ND, Padeste C. From pH- to Light-Response: Postpolymerization Modification of Polymer Brushes Grafted onto Microporous Polymeric Membranes. ACS OMEGA 2017; 2:455-461. [PMID: 31457450 PMCID: PMC6641005 DOI: 10.1021/acsomega.6b00394] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 01/25/2017] [Indexed: 06/06/2023]
Abstract
A microporous pH- and light-responsive membrane that enables remote control over its interfacial properties has been fabricated. pH-Responsiveness was imparted to a porous polypropylene film via grafting of poly(methacrylic acid) brushes from the substrate using argon-plasma-induced free-radical graft polymerization. Morphological changes as a function of grafting level were analyzed using atomic force microscopy. Conversion into a light-responsive membrane was performed via postpolymerization modification to covalently attach photochromic spiropyran moieties to the grafted polymer brushes. Reversible switches in wettability and permeability were determined upon changing from acidic to basic pH or upon alternating UV- and visible-light irradiation. Additionally, light-responsive membranes show a switch in color upon UV exposure.
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Affiliation(s)
- Matthias Dübner
- Laboratory
for Micro- and Nanotechnology, Paul Scherrer
Institute (PSI), ODRA/105, 5232 Villigen, Switzerland
- Laboratory
for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Maria-Eleni Naoum
- Laboratory
for Micro- and Nanotechnology, Paul Scherrer
Institute (PSI), ODRA/105, 5232 Villigen, Switzerland
| | - Nicholas D. Spencer
- Laboratory
for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Celestino Padeste
- Laboratory
for Micro- and Nanotechnology, Paul Scherrer
Institute (PSI), ODRA/105, 5232 Villigen, Switzerland
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29
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Wang B, Liu H, Wang Z, Shi S, Nan K, Xu Q, Ye Z, Chen H. A self-defensive antibacterial coating acting through the bacteria-triggered release of a hydrophobic antibiotic from layer-by-layer films. J Mater Chem B 2017; 5:1498-1506. [PMID: 32264640 DOI: 10.1039/c6tb02614a] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Drug delivery systems play important roles in the construction of antibacterial coatings on the surfaces of biomaterials. However, excessive release of antibiotics in the environment can lead to the generation of resistant bacteria. A methoxy poly(ethylene glycol)-poly(ε-caprolactone)-chitosan (MPEG-PCL-CS) block polymer was prepared through covalent grafting of CS onto MPEG-PCL. MPEG-PCL-CS micelles were prepared and showed a high load capacity for the hydrophobic antibiotic triclosan (TCA) (∼5 wt%). Multilayer films were constructed through self-assembling TCA/MPEG-PCL-CS cationic micelles with poly(acrylic acid) (PAA). Transmission and scanning electron microscopy analyses confirmed the presence of micelles on the surface (20-40 nm). As barriers for the antibiotic, the (TCA/MPEG-PCL-CS)/PAA multilayer films contained a high load of TCA (255 μg cm-2). Importantly, the multilayer films showed both bacteria-triggered and pH-responsive release properties and can be used as self-defensive antibacterial coatings. Bacterial adhesion caused a local acidic environment and altered the permeability of the multilayer films, promoting drug release. Both in vitro and in vivo antibacterial tests indicated a high bactericidal activity of drug-loaded multilayer films against both E. coli and S. aureus.
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Affiliation(s)
- Bailiang Wang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
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30
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He Q, Zhu Z, Dong H, Xiao K. A sulfonated polymer membrane with Ag-based graft: morphology, characterization, antimicrobial activity and interception ability. RSC Adv 2017. [DOI: 10.1039/c7ra04488g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ag-based nano-graft can impart broad-spectrum antimicrobial activity to a polymer membrane and enhance its anti-fouling capacity effectively.
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Affiliation(s)
- Qi He
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou City
- China
| | - Zipei Zhu
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou City
- China
| | - Hao Dong
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou City
- China
| | - Kaijun Xiao
- School of Food Science and Engineering
- South China University of Technology
- Guangzhou City
- China
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31
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Cetintas M, de Grooth J, Hofman AH, van der Kooij HM, Loos K, de Vos WM, Kamperman M. Free-standing thermo-responsive nanoporous membranes from high molecular weight PS-PNIPAM block copolymers synthesized via RAFT polymerization. Polym Chem 2017. [DOI: 10.1039/c7py00023e] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Free-standing, fully reversible thermo-responsive nanoporous membranes were fabricated from PS-PNIPAM block copolymers.
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Affiliation(s)
- Merve Cetintas
- Physical Chemistry and Soft Matter
- Wageningen University & Research
- Wageningen
- The Netherlands
| | - Joris de Grooth
- Membrane Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
- The Netherlands
| | - Anton H. Hofman
- Macromolecular Chemistry & New Polymeric Materials
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747 AG Groningen
- The Netherlands
| | - Hanne M. van der Kooij
- Physical Chemistry and Soft Matter
- Wageningen University & Research
- Wageningen
- The Netherlands
| | - Katja Loos
- Macromolecular Chemistry & New Polymeric Materials
- Zernike Institute for Advanced Materials
- University of Groningen
- 9747 AG Groningen
- The Netherlands
| | - Wiebe M. de Vos
- Membrane Science and Technology
- MESA+ Institute for Nanotechnology
- University of Twente
- 7500 AE Enschede
- The Netherlands
| | - Marleen Kamperman
- Physical Chemistry and Soft Matter
- Wageningen University & Research
- Wageningen
- The Netherlands
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32
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Weng XD, Bao XJ, Jiang HD, Chen L, Ji YL, An QF, Gao CJ. pH-responsive nanofiltration membranes containing carboxybetaine with tunable ion selectivity for charge-based separations. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.08.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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33
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Direct incorporation of silver nanoparticles onto thin-film composite membranes via arc plasma deposition for enhanced antibacterial and permeation performance. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.04.013] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Shevate R, Karunakaran M, Kumar M, Peinemann KV. Polyanionic pH-responsive polystyrene-b-poly(4-vinyl pyridine-N-oxide) isoporous membranes. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2015.11.038] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Immobilization of silver nanoparticle-decorated silica particles on polyamide thin film composite membranes for antibacterial properties. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2015.09.060] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Tripathi BP, Dubey NC, Subair R, Choudhury S, Stamm M. Enhanced hydrophilic and antifouling polyacrylonitrile membrane with polydopamine modified silica nanoparticles. RSC Adv 2016. [DOI: 10.1039/c5ra22160a] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Hydrophilic and antifouling polydopamine modified silica nanoparticles-polyacrylonitrile membranes were fabricated for water purification applications. High dispersion and better compatibility of modified nanoparticles with polyacrylonitrile was observed.
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Affiliation(s)
- Bijay P. Tripathi
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden
- Germany
| | - Nidhi C. Dubey
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden
- Germany
- Technische Universität Dresden
| | - Riyas Subair
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden
- Germany
| | - Soumydip Choudhury
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden
- Germany
| | - Manfred Stamm
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden
- Germany
- Technische Universität Dresden
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37
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Guo L, Wang Y. Monolithic Membranes with Designable Pore Geometries and Sizes via Retarded Evaporation of Block Copolymer Supramolecules. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b01992] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Leiming Guo
- State Key
Laboratory of Materials-Oriented
Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, Jiangsu, China
| | - Yong Wang
- State Key
Laboratory of Materials-Oriented
Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, Jiangsu, China
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38
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Yao X, Li J, Wang Z, Kong L, Wang Y. Highly permeable and robust membranes assembled from block-copolymer-functionalized carbon nanotubes. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.07.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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39
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Zhang Y, Sargent JL, Boudouris BW, Phillip WA. Nanoporous membranes generated from self-assembled block polymer precursors:Quo Vadis? J Appl Polym Sci 2014. [DOI: 10.1002/app.41683] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yizhou Zhang
- Department of Chemical and Biomolecular Engineering; University of Notre Dame; Notre Dame Indiana 46556
| | - Jessica L. Sargent
- School of Chemical Engineering, Purdue University; West Lafayette Indiana 47907
| | - Bryan W. Boudouris
- School of Chemical Engineering, Purdue University; West Lafayette Indiana 47907
| | - William A. Phillip
- Department of Chemical and Biomolecular Engineering; University of Notre Dame; Notre Dame Indiana 46556
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40
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Seo M, Moll D, Silvis C, Roy A, Querelle S, Hillmyer MA. Interfacial Polymerization of Reactive Block Polymers for the Preparation of Composite Ultrafiltration Membranes. Ind Eng Chem Res 2014. [DOI: 10.1021/ie5032259] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Myungeun Seo
- Department
of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - David Moll
- Dow Water and
Process Solutions, Edina, Minnesota 55439, United States
| | - Craig Silvis
- Dow Water and
Process Solutions, Edina, Minnesota 55439, United States
| | - Abhishek Roy
- Dow Water and
Process Solutions, Edina, Minnesota 55439, United States
| | - Sarah Querelle
- Dow Water and
Process Solutions, Edina, Minnesota 55439, United States
| | - Marc A. Hillmyer
- Department
of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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41
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Di Mauro AE, Toscanini M, Piovani D, Samperi F, Curri ML, Corricelli M, De Caro L, Siliqi D, Comparelli R, Agostiano A, Destri S, Striccoli M. Segmented poly(styrene-co-vinylpyridine) as multivalent host for CdSe nanocrystal based nanocomposites. Eur Polym J 2014. [DOI: 10.1016/j.eurpolymj.2014.09.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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42
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43
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Rao J, Ma H, Baettig J, Woo S, Stuparu MC, Bang J, Khan A. Self-assembly of an interacting binary blend of diblock copolymers in thin films: a potential route to porous materials with reactive nanochannel chemistry. SOFT MATTER 2014; 10:5755-5762. [PMID: 24979238 DOI: 10.1039/c4sm01029a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Self-assembly of a binary mixture of poly(styrene)336-block-poly(4-vinyl pyridine)25 (PS336-b-P4VP25) and poly(ethylene glycol)113-block-poly(4-hydroxy styrene)25 (PEG113-b-P4HS25) is shown to give rise to a cylindrical morphology in thin films through pyridine/phenol-based hetero-complementary hydrogen bonding interactions between the P4VP and P4HS copolymer segments. Removal of the cylindrical phase (PEG-b-P4HS) allowed access to porous materials having a pore surface decorated with P4VP polymer blocks. These segments could be transformed into cationic polyelectrolytes through quaternization of the pyridine nitrogen atom. The resulting positively charged nanopore surface could recognize negatively charged gold nanoparticles through electrostatic interactions. This work, therefore, outlines the utility of the supramolecular AB/CD type of block copolymer towards preparation of ordered porous thin films carrying a chemically defined channel surface with a large number of reactive sites.
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Affiliation(s)
- Jingyi Rao
- Department of Materials, ETH, Zürich, CH-8093, Switzerland.
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44
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Ito T. Block Copolymer-Derived Monolithic Polymer Films and Membranes Comprising Self-Organized Cylindrical Nanopores for Chemical Sensing and Separations. Chem Asian J 2014; 9:2708-18. [DOI: 10.1002/asia.201402136] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Indexed: 12/13/2022]
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45
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Tripathi BP, Dubey NC, Simon F, Stamm M. Thermo responsive ultrafiltration membranes of grafted poly(N-isopropyl acrylamide) via polydopamine. RSC Adv 2014. [DOI: 10.1039/c4ra03485f] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Thermoresponsive membranes with good antifouling ability and rejection performance were prepared via mussel inspired PNIPAm grafting.
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Affiliation(s)
- Bijay P. Tripathi
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden, Germany
| | - Nidhi C. Dubey
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden, Germany
- Technische Universität Dresden
- Department of Chemistry
| | - F. Simon
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden, Germany
| | - M. Stamm
- Department of Nanostructured Materials
- Leibniz Institute of Polymer Research Dresden
- D-01069 Dresden, Germany
- Technische Universität Dresden
- Department of Chemistry
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46
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In situ polymerization of PVDF-HEMA polymers: electrospun membranes with improved flux and antifouling properties for water filtration. Polym J 2013. [DOI: 10.1038/pj.2013.79] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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