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Staniscia F, Guzman HV, Kanduč M. Tuning Contact Angles of Aqueous Droplets on Hydrophilic and Hydrophobic Surfaces by Surfactants. J Phys Chem B 2022; 126:3374-3384. [PMID: 35468298 PMCID: PMC9082615 DOI: 10.1021/acs.jpcb.2c01599] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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Adsorption of small
amphiphilic molecules occurs in various biological
and technological processes, sometimes desired while other times unwanted
(e.g., contamination). Surface-active molecules preferentially bind
to interfaces and affect their wetting properties. We use molecular
dynamics simulations to study the adsorption of short-chained alcohols
(simple surfactants) to the water–vapor interface and solid
surfaces of various polarities. With a theoretical analysis, we derive
an equation for the adsorption coefficient, which scales exponentially
with the molecular surface area and the surface wetting coefficient
and is in good agreement with the simulation results. We apply the
outcomes to aqueous sessile droplets containing surfactants, where
the competition of surfactant adsorptions to both interfaces alters
the contact angle in a nontrivial way. The influence of surfactants
is the strongest on very hydrophilic and hydrophobic surfaces, whereas
droplets on moderately hydrophilic surfaces are less affected.
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Affiliation(s)
- Fabio Staniscia
- Department of Theoretical Physics, Jožef Stefan Institute, Ljubljana SI-1000, Slovenia
| | - Horacio V Guzman
- Department of Theoretical Physics, Jožef Stefan Institute, Ljubljana SI-1000, Slovenia
| | - Matej Kanduč
- Department of Theoretical Physics, Jožef Stefan Institute, Ljubljana SI-1000, Slovenia
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2
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Okoro HK, Ndlwana L, Ikhile MI, Barnard TG, Ngila JC. Hyperbranched polyethylenimine-modified polyethersulfone (HPEI/PES) and nAg@HPEI/PES membranes with enhanced ultrafiltration, antibacterial, and antifouling properties. Heliyon 2021; 7:e07961. [PMID: 34553089 PMCID: PMC8441160 DOI: 10.1016/j.heliyon.2021.e07961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/26/2021] [Accepted: 09/06/2021] [Indexed: 11/05/2022] Open
Abstract
This study reports a simple fabrication of polyethersulfone (PES)-based membranes, their characterisation, and application. These membranes are modified with hyperbranched polyethyleneimine (HPEI) and -silver (nAg)-decorated HPEI. These were then compared for filtration, organic fouling, antifouling, and antibacterial properties against the neat PES membrane. The fabricated membranes were characterised for their chemistry using attenuated transmission reflectance-equipped Fourier transform infrared spectroscopy (ATR-FTIR) and x-ray photoelectron spectroscopy (XPS). As such, the presence of HPEI interactions between the nAg and HPEI in the membranes was confirmed. An energy-dispersive x-ray detector coupled with a scanning electron microscopy (SEM-EDS) and atomic force microscopy (AFM) were used to study morphological, compositional, topographical, and topological changes to the membrane due to the modifications. A thermogravimetric analyser (TGA) was also utilised to evaluate the effect of modification on thermal stability of the resulting membranes. Optical contact angle (OCA) interrogated the extent of membrane/water interactions which indicated enhanced hydrophilicity due to the modification. Dead-end filtration using these membranes indicated enhanced pure water permeate fluxes and protein rejection (bovine serum albumin, BSA). The results of the BSA rejection for the HPEI/PES membranes were a maximum of 98% while those of the nAg@HPEI/PES ranged between 30-87%. The membranes possessed high flux recoveries, indicating great potential for the membranes for antifouling applications in water treatment. Extensive antibacterial studies were carried out on the membranes to probe bioactivity. Enhanced activity was recorded (except for neat PES) with zone inhibitions of up to 7 mm against five bacterial strains including E. Coli and K. Pneumoniae as found in several wastewater streams. The antibacterial properties of these membranes mean they can prolong membrane operational lifetime by mitigating biofilming during water treatment. New flat sheet membranes possessing both organic antifouling and antibacterial properties were fabricated. The successive modification of PES with HPEI and nAg resulted in enhanced membrane properties. Most of the membranes exhibited good antibacterial activities against the bacterial strains tested. Membrane samples with nAg also displayed good antibacterial activities against bacteria E Coli. The use of cost friendly HPEI and low levels of modification, and ease of membrane fabrication was achieved.
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Affiliation(s)
- Hussein K Okoro
- Analytical-Environmental, Membrane Nanotechnology Research Group, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.,Environmental-Analytical Research Group, Department of Industrial Chemistry, Faculty of Physical Sciences, P.M.B. 1515, University of Ilorin, Ilorin, Nigeria
| | - Lwazi Ndlwana
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering, and Technology, University of South Africa, Florida, Science Campus, P.O. Box 392, Pretoria 003, South Africa
| | - Monisola I Ikhile
- Drugs Discovery and Smart Materials Research Group, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, Johannesburg, South Africa
| | - Tobias G Barnard
- Water and Health Research Centre, University of Johannesburg, Doornfontein Campus, South Africa
| | - J Catherine Ngila
- Analytical-Environmental, Membrane Nanotechnology Research Group, Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, Johannesburg, South Africa.,The African Academy of Sciences, P.O. Box 24916-00502, 8 Miotoni Lane, Karen, Nairobi, Kenya
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3
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Farooq U, Upadhyaya L, Shakeel A, Martinez G, Semsarilar M. pH-responsive nano-structured membranes prepared from oppositely charged block copolymer nanoparticles and iron oxide nanoparticles. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118181] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Pandey RP, Rasheed PA, Gomez T, Azam RS, Mahmoud KA. A fouling-resistant mixed-matrix nanofiltration membrane based on covalently cross-linked Ti3C2TX (MXene)/cellulose acetate. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118139] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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5
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Cheng W, Lu X, Kaneda M, Zhang W, Bernstein R, Ma J, Elimelech M. Graphene Oxide-Functionalized Membranes: The Importance of Nanosheet Surface Exposure for Biofouling Resistance. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:517-526. [PMID: 31756099 DOI: 10.1021/acs.est.9b05335] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Surface functionalization using two-dimensional (2D) graphene oxide (GO) materials is a promising technique to enhance the biofouling resistance of membranes used in water purification and reuse. However, the role of GO exposure, which is crucial for the contact-mediated toxicity mechanism, has not been well evaluated or elucidated in previous studies. Herein, we employ bioinspired polydopamine chemistry to fabricate GO-functionalized membranes through two strategies: coating and blending. The two types of GO-functionalized membranes displayed comparable roughness, hydrophilicity, water permeability, and solute retention properties but different degrees of GO nanosheet exposure on the membrane surface. When in contact with the model bacterium, Escherichia coli, the GO-coated membrane exhibited enhanced biofouling resistance compared to that of the GO-blended membrane, as evidenced by lower viable cells in static adsorption experiments, and lower water flux decline and higher flux recovery in dynamic biofouling experiments. Moreover, the development of biofilm on the GO-coated membrane was also inhibited to a greater extent than on the GO-blended membrane. Taken together, our findings indicate the paramount importance of GO exposure on the membrane surface in conferring antibacterial activity and biofouling resistance, which should be considered in the future design of antibiofouling membranes using 2D nanomaterials.
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Affiliation(s)
- Wei Cheng
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
| | - Xinglin Lu
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
| | - Masashi Kaneda
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
- Division of Environmental Engineering, Hokkaido University, N13W8, Kita-ku, Sapporo 060-8628, Japan
| | - Wei Zhang
- Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, The Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Midreshet 84990, Israel
| | - Roy Bernstein
- Department of Desalination and Water Treatment, Zuckerberg Institute for Water Research, The Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, Midreshet 84990, Israel
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Menachem Elimelech
- Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
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6
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Mozia S, Grylewicz A, Zgrzebnicki M, Darowna D, Czyżewski A. Investigations on the Properties and Performance of Mixed-Matrix Polyethersulfone Membranes Modified with Halloysite Nanotubes. Polymers (Basel) 2019; 11:polym11040671. [PMID: 30979086 PMCID: PMC6523960 DOI: 10.3390/polym11040671] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/04/2019] [Accepted: 04/09/2019] [Indexed: 12/03/2022] Open
Abstract
Ultrafiltration (UF) polyethersulfone (PES) membranes were prepared by wet phase inversion method. Commercial halloysite nanotubes (HNTs) in the amount of 0.5–4 wt % vs PES (15 wt %) were introduced into the casting solution containing the polymer and N,N-dimethylformamide as a solvent. The morphology, physicochemical properties and performance of the membranes were characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM), zeta potential, porosity and contact angle analyses, as well as permeability measurements. Moreover, the antifouling properties of the membranes were evaluated during UF of a model solution of bovine serum albumin (BSA). The research revealed a positive influence of modification with HNTs on hydrophilicity, water permeability and antifouling properties of the PES membranes. The most significant improvement of permeability was obtained in case of the membrane containing 2 wt % of HNTs, whereas the highest fouling resistance was observed for 0.5 wt % HNTs content. It was found that a good dispersion of HNTs can be obtained only at loadings below 2 wt %. Based on the results a relation between severity of membrane fouling and surface roughness was proved. Moreover, an increase of the roughness of the modified membranes was found to be accompanied by an increase of isoelectric point values.
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Affiliation(s)
| | - Amanda Grylewicz
- Faculty of Chemical Technology and Engineering, Institute of Inorganic Chemical Technology and Environment Engineering, West Pomeranian University of Technology, Pułaskiego 10, 70-322 Szczecin, Poland.
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7
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Li M, Wang X, Porter CJ, Cheng W, Zhang X, Wang L, Elimelech M. Concentration and Recovery of Dyes from Textile Wastewater Using a Self-Standing, Support-Free Forward Osmosis Membrane. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:3078-3086. [PMID: 30801184 DOI: 10.1021/acs.est.9b00446] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Forward osmosis (FO) can potentially treat textile wastewaters with less fouling than pressure-driven membrane processes such as reverse osmosis and nanofiltration. However, conventional FO membranes with asymmetric architecture experience severe flux decline caused by internal concentration polarization and fouling as dye molecules accumulate on the membrane surface. In this study, we present a new strategy for concentrating dye by using a self-standing, support-free FO membrane with a symmetric structure. The membrane was fabricated by a facile solution-casting approach based on a poly(triazole- co-oxadiazole- co-hydrazine) (PTAODH) skeleton. Due to its dense architecture, ultrasmooth surface, and high negative surface charge, the PTAODH membrane exhibits excellent FO performance with minimal fouling, low reverse salt flux, and negligible dye passage to the draw solution side. Cleaning with a 40% alcohol solution, after achieving a concentration factor of ∼10, resulted in high flux recovery ratio (98.7%) for the PTAODH membrane, whereas significant damage to the active layers of two commercial FO membranes was observed. Moreover, due to the existence of cytotoxic oxadiazole and triazole moieties in the polymer structure, our PTAODH membrane exhibited an outstanding antibacterial property with two model bacteria. Our results demonstrate the promising application of the symmetric PTAODH membrane for the concentration of textile wastewaters and its superior antifouling performance compared to state-of-the-art commercial FO membranes.
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Affiliation(s)
- Meng Li
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering , Nanjing University of Science & Technology , Nanjing 210094 , P. R. China
| | - Xi Wang
- School of Chemical Engineering , Nanjing University of Science & Technology , Nanjing 210094 , P. R. China
| | - Cassandra J Porter
- Department of Chemical and Environmental Engineering , Yale University , New Haven , Connecticut 06520-8286 , United States
| | - Wei Cheng
- Department of Chemical and Environmental Engineering , Yale University , New Haven , Connecticut 06520-8286 , United States
| | - Xuan Zhang
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering , Nanjing University of Science & Technology , Nanjing 210094 , P. R. China
- Department of Chemical and Environmental Engineering , Yale University , New Haven , Connecticut 06520-8286 , United States
| | - Lianjun Wang
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering , Nanjing University of Science & Technology , Nanjing 210094 , P. R. China
| | - Menachem Elimelech
- Department of Chemical and Environmental Engineering , Yale University , New Haven , Connecticut 06520-8286 , United States
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8
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Najjar A, Sabri S, Al-Gaashani R, Atieh MA, Kochkodan V. Antibiofouling Performance by Polyethersulfone Membranes Cast with Oxidized Multiwalled Carbon Nanotubes and Arabic Gum. MEMBRANES 2019; 9:membranes9020032. [PMID: 30813347 PMCID: PMC6410110 DOI: 10.3390/membranes9020032] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 02/15/2019] [Accepted: 02/17/2019] [Indexed: 12/07/2022]
Abstract
Despite extensive research efforts focusing on tackling membrane biofouling, one of the biggest problems associated with membrane technology, there has been little headway in this area. This study presents novel polyethersulfone (PES) membranes synthesized via a phase inversion method at incremental loadings of functionalized oxidized multiwalled carbon nanotubes (OMWCNT) along with 1 wt. % arabic gum (AG). The synthesized OMWCNT were examined using scanning electron microscopy and transmission electron microscopy for morphological changes compared to the commercially obtained carbon nanotubes. Additionally energy-dispersive X-ray spectroscopy was carried out on the raw and OMWCNT materials, indicating an almost 2-fold increase in oxygen content in the latter sample. The cast PES/OMWCNT membranes were extensively characterized, and underwent a series of performance testing using bovine serum albumin solution for fouling tests and model Gram-positive (Bacillus subtilis) and Gram-negative (Escherichia coli) bacterial species for anti-biofouling experiments. Results indicated that the composite PES membranes, which incorporated the OMWCNT and AG, possessed significantly stronger hydrophilicity and negative surface charge as evidenced by water contact angle and zeta potential data, respectively, when compared to plain PES membranes. Furthermore atomic force microscopy analysis showed that the PES/OMWCNT membranes exhibited significantly lower surface roughness values. Together, these membrane surface features were held responsible for the anti-adhesive nature of the hybrid membranes seen during biofouling tests. Importantly, the prepared membranes were able to inhibit bacterial colonization upon incubation with both Gram-positive and Gram-negative bacterial suspensions. The PES/OMWCNT membranes also presented more resilient normalized flux values when compared to neat PES and commercial membrane samples during filtration of both bacterial suspensions and real treated sewage effluents. Taken together, the results of this study allude to OMWCNT and AG as promising additives, for incorporation into polymeric membranes to enhance biofouling resistance.
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Affiliation(s)
- Ahmad Najjar
- College of Life and Health Sciences, Hamad Bin Khalifa University (HBKU), P.O. Box 34110 Doha, Qatar.
| | - Souhir Sabri
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), P.O. Box 34110 Doha, Qatar.
| | - Rashad Al-Gaashani
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), P.O. Box 34110 Doha, Qatar.
| | - Muataz Ali Atieh
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), P.O. Box 34110 Doha, Qatar.
| | - Viktor Kochkodan
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University (HBKU), P.O. Box 34110 Doha, Qatar.
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9
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Sun JT, Wang CC, Lee HT, Wu CL, Gu JH, Suen MC. Preparation and Characterization of Polysulfone/Nanosilver-Doped Activated Carbon Nanocomposite. POLYMER SCIENCE SERIES A 2018. [DOI: 10.1134/s0965545x18010054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Upadhyaya L, Semsarilar M, Fernández-Pacheco R, Martinez G, Mallada R, Coelhoso IM, Portugal CAM, Crespo JG, Deratani A, Quemener D. Nano-structured magneto-responsive membranes from block copolymers and iron oxide nanoparticles. Polym Chem 2017. [DOI: 10.1039/c6py01870j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Preparation of porous membranes from PMAA-b-PMMA copolymers and magnetic iron oxide nanoparticles and their performance under magnetic fields.
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Affiliation(s)
- Lakshmeesha Upadhyaya
- Institut Européen des Membranes/Université of Montpellier
- 34095 Montpellier
- France
- Department of Chemical and Environmental Engineering and Aragon Nanoscience Institute
- 50018 Zaragoza
| | - Mona Semsarilar
- Institut Européen des Membranes/Université of Montpellier
- 34095 Montpellier
- France
| | | | - Gema Martinez
- Networking Research Centre on Bioengineering
- Biomaterials and Nanomedicine
- CIBER-BBN
- 28029 Madrid
- Spain
| | - Reyes Mallada
- Department of Chemical and Environmental Engineering and Aragon Nanoscience Institute
- 50018 Zaragoza
- Spain
| | - Isabel M. Coelhoso
- LAQV - REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - Carla A. M. Portugal
- LAQV - REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - João G. Crespo
- LAQV - REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Caparica
| | - André Deratani
- Institut Européen des Membranes/Université of Montpellier
- 34095 Montpellier
- France
| | - Damien Quemener
- Institut Européen des Membranes/Université of Montpellier
- 34095 Montpellier
- France
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11
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Atta AM, Al-Lohedan HA, Tawfik AM, Ezzat AO. Application of Super-Amphiphilic Silica-Nanogel Composites for Fast Removal of Water Pollutants. Molecules 2016; 21:E1392. [PMID: 27775576 PMCID: PMC6273331 DOI: 10.3390/molecules21101392] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 10/13/2016] [Accepted: 10/15/2016] [Indexed: 11/29/2022] Open
Abstract
This work first reports the preparation of super-amphiphilic silica-nanogel composites to reduce the contact angle of water to increase the diffusion of pollutant into adsorbents. In this respect, the silica nanoparticles were encapsulated into nanogels based on ionic and nonionic polyacrylamides by dispersion polymerization technique. The morphologies and the dispersion stability of nanogel composites were investigated to clarify the ability of silica-nanogel composites to adsorb at different interfaces. The feasibility of silica polyacrylamide nanogel composites to act as a high-performance adsorbent for removal of methylene blue (MB) dye and heavy metals (Co2+ and Ni2+) from aqueous solution was investigated. The surface tension, contact angle, average pore size, and zeta potential of the silica-nanogel composites have been evaluated. The MB dye and heavy metal adsorption capacity achieved Qmax = 438-387 mg/g which is considerably high. The adsorption capacity results are explained from the changes in the morphology of the silica surfaces as recorded from scanning electron microscopy (SEM).
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Affiliation(s)
- Ayman M Atta
- Chemistry Department, College of Science, King Saud University, Riyadh 11541, Saudi Arabia.
- College of Science, King Saud University, Riyadh 11541, Saudi Arabia.
| | - Hamad A Al-Lohedan
- Chemistry Department, College of Science, King Saud University, Riyadh 11541, Saudi Arabia.
| | - Ahmed M Tawfik
- College of Science, King Saud University, Riyadh 11541, Saudi Arabia.
| | - Abdelrahman O Ezzat
- Chemistry Department, College of Science, King Saud University, Riyadh 11541, Saudi Arabia.
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12
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Upadhyaya L, Semsarilar M, Nehache S, Cot D, Fernández-Pacheco R, Martinez G, Mallada R, Deratani A, Quemener D. Nanostructured Mixed Matrix Membranes from Supramolecular Assembly of Block Copolymer Nanoparticles and Iron Oxide Nanoparticles. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b01738] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Lakshmeesha Upadhyaya
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
- Department
of Chemical and Environmental Engineering, Aragon Nanoscience Institute, Campus Río Ebro, C/Mariano Esquillor s/n, 50018 Zaragoza, SPAIN
- Departamento
de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Mona Semsarilar
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
| | - Sabrina Nehache
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
| | - Didier Cot
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
| | - Rodrigo Fernández-Pacheco
- Department
of Chemical and Environmental Engineering, Aragon Nanoscience Institute, Campus Río Ebro, C/Mariano Esquillor s/n, 50018 Zaragoza, SPAIN
| | - Gema Martinez
- Networking
Research Centre on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, 28029 Madrid, Spain
- Department
of Chemical and Environmental Engineering, Aragon Nanoscience Institute, Campus Río Ebro, C/Mariano Esquillor s/n, 50018 Zaragoza, SPAIN
| | - Reyes Mallada
- Department
of Chemical and Environmental Engineering, Aragon Nanoscience Institute, Campus Río Ebro, C/Mariano Esquillor s/n, 50018 Zaragoza, SPAIN
| | - André Deratani
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
| | - Damien Quemener
- Institut
Européen des Membranes, IEM, UMR 5635, Université de Montpellier, ENSCM, CNRS, Montpellier, France
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13
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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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14
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Antimicrobial polysulfone blended ultrafiltration membranes prepared with Ag/Cu2O hybrid nanowires. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.02.035] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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15
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Amino acids functionalized graphene oxide for enhanced hydrophilicity and antifouling property of poly(vinylidene fluoride) membranes. CHINESE JOURNAL OF POLYMER SCIENCE 2016. [DOI: 10.1007/s10118-016-1808-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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16
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Aparicio M. Hybrid Organic-Inorganic Nanostructured Membranes. ENCYCLOPEDIA OF MEMBRANES 2016:971-972. [DOI: 10.1007/978-3-662-44324-8_293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Abstract
The label-free detection of microbial cells attached to a surface is an active field of research. The field is driven by the need to understand and control the growth of biofilms in a number of applications, including basic research in natural environments, industrial facilities, and clinical devices, to name a few. Despite significant progress in the ability to monitor the growth of biofilms and related living cells, the sensitivity and selectivity of such sensors are still a challenge. We believe that among the many different technologies available for monitoring biofilm growth, optical techniques are the most promising, as they afford direct imaging and offer high sensitivity and specificity. Furthermore, as each technique offers different insights into the biofilm growth mechanism, our analysis allows us to provide an overview of the biological processes at play. In addition, we use a set of key parameters to compare state-of-the-art techniques in the field, including a critical assessment of each method, to identify the most promising types of sensors. We highlight the challenges that need to be overcome to improve the characteristics of current biofilm sensor technologies and indicate where further developments are required. In addition, we provide guidelines for selecting a suitable sensor for detecting microbial cells on a surface.
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18
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Xu C, Hu X, Wang J, Zhang YM, Liu XJ, Xie BB, Yao C, Li Y, Li XS. Library of Antifouling Surfaces Derived From Natural Amino Acids by Click Reaction. ACS APPLIED MATERIALS & INTERFACES 2015; 7:17337-17345. [PMID: 26191785 DOI: 10.1021/acsami.5b04520] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Biofouling is of great concern in numerous applications ranging from ophthalmological implants to catheters, and from bioseparation to biosensors. In this report, a general and facile strategy to combat surface fouling is developed by grafting of amino acids onto polymer substrates to form zwitterionic structure through amino groups induced epoxy ring opening click reaction. First of all, a library of poly(2-hydroxyethyl methacrylate-co-glycidyl methacrylate) hydrogels with zwitterionic surfaces were prepared, resulting in the formation of pairs of carboxyl anions and protonated secondary amino cations. The analysis of attenuated total reflectance Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy confirmed the successful immobilization of amino acids on the hydrogel surfaces. After that, the contact angle and equilibrium water content of the modified hydrogels showed that the hydrogels exhibited improved hydrophilicity compared with the parent hydrogel. Furthermore, the protein deposition was evaluated by bicinchoninic acid assay using bovine serum albumin (BSA) and lysozyme as models. The results indicated that the performance of the hydrogels was determined by the nature of incorporated amino acid: the hydrogels incorporated with neutral amino acids had nonspecific antiadsorption capability to both BSA and lysozyme; the hydrogels incorporated with charged amino acids showed antiadsorption behaviors against protein with same charge and enhanced adsorption to the protein with opposite charge; the optimal antiadsorption performance was observed on the hydrogels incorporated with polar amino acids with a hydroxyl residual. The improvement of antiprotein fouling of the neutral amino acids grafted hydrogels can be ascribed to the formation of zwitterionic surfaces. Finally, a couple of soft contact lenses grafted with amino acids were fabricated having improved antifouling property and hydrophilicity. The result demonstrated the success of amino acids based zwitterionic antifouling strategy in ophthalmology. This strategy is also applicable to substrates including filtration membranes, microspheres and nanofibers as well. It is a versatile method for amino acids grafting onto polymer substrates to construct zwitterionic surfaces and achieve antifouling properties.
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Affiliation(s)
- Chen Xu
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xin Hu
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Jie Wang
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Ye-Min Zhang
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xiao-Jiu Liu
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Bin-Bin Xie
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Chen Yao
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Yi Li
- ‡Suzhou Xin Wang Membrane Technology Co., Ltd., Suzhou 215000, China
| | - Xin-Song Li
- †School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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19
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Parandhaman T, Das A, Ramalingam B, Samanta D, Sastry TP, Mandal AB, Das SK. Antimicrobial behavior of biosynthesized silica-silver nanocomposite for water disinfection: a mechanistic perspective. JOURNAL OF HAZARDOUS MATERIALS 2015; 290:117-126. [PMID: 25746571 DOI: 10.1016/j.jhazmat.2015.02.061] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 01/24/2015] [Accepted: 02/22/2015] [Indexed: 06/04/2023]
Abstract
The biosynthesis of nano-silica silver nanocomposite (NSAgNC) and it is as antibacterial effect on gram-negative bacteria viz.Escherichia coli and Pseudomonas aeruginosa has been investigated for disinfection of water. The as-synthesized NSAgNC exhibited antibacterial activity in a dose dependent manner and ∼ 99.9% of E. coli and P. aeruginosa were killed at a concentration of 1.5 mg/mL of NSAgNC (5.1 wt% Ag) within 5h. The NSAgNC showed similar antibacterial activities both in oxic and anoxic conditions. The results further demonstrated that NSAgNC exhibited reactive oxygen species (ROS) independent "particle specific" antibacterial activity through multiple steps in absence of leached out Ag(+) ions. The initial binding of NSAgNC on the cell wall caused loss of cell membrane integrity and leakage of cytoplasmic materials. Inhibition of respiratory chain dehydrogenase by NSAgNC caused metabolic inactivation of the cells and affecting the cell viability. Genomic and proteomic studies further demonstrated the fragmentations of both plasmid and genomic DNA and down regulation of protein expression in NSAgNC treated cells, which leading to the cell death. Thus the biosynthesized NSAgNC has great potential as disinfectant for water purification while minimizing the toxic effects.
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Affiliation(s)
- Thanusu Parandhaman
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Anisha Das
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India
| | - B Ramalingam
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India
| | - Debasis Samanta
- Polymer Division, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India
| | - T P Sastry
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India
| | - Asit Baran Mandal
- Chemical Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India.
| | - Sujoy K Das
- Bioproducts Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Chennai 600020, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India.
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20
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Yan X, Li S, Pan Y, Xing B, Li R, Jang BWL, Liu X. Tunable Ag+ ion release from Ag@C for antibacterial and antifouling performances. RSC Adv 2015. [DOI: 10.1039/c5ra02904j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A method for the controllable release of Ag+ ion was proposed by the synthesis of carbon-encapsulated Ag (Ag@C) for antibacterial and antifouling performances.
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Affiliation(s)
- Xiaoliang Yan
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Sha Li
- College of Textile Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Yunxiang Pan
- School of Chemistry and Chemical Engineering
- Hefei University of Technology
- Heifei 230009
- China
| | - Bin Xing
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Ruifeng Li
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
| | - Ben W.-L. Jang
- Department of Chemistry
- Texas A&M University-Commerce
- Commerce
- USA
| | - Xuguang Liu
- College of Chemistry and Chemical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- China
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21
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Duan L, Huang W, Zhang Y. High-flux, antibacterial ultrafiltration membranes by facile blending with N-halamine grafted halloysite nanotubes. RSC Adv 2015. [DOI: 10.1039/c4ra14530e] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
N-Halamine grafted halloysite nanotubes (N-halamine@HNTs) were used as an antibacterial agents to fabricate polyethersulfone (PES) ultrafiltration (UF) hybrid membranes.
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Affiliation(s)
- Linlin Duan
- School of Chemical Engineering and Energy
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Wei Huang
- Henan Fuping New Energy Technology Co., Ltd
- Zhengzhou 450008
- China
| | - Yatao Zhang
- School of Chemical Engineering and Energy
- Zhengzhou University
- Zhengzhou 450001
- China
- UNESCO Centre for Membrane Science and Technology
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22
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Zhu J, Zhao X, He C. Zwitterionic SiO2 nanoparticles as novel additives to improve the antifouling properties of PVDF membranes. RSC Adv 2015. [DOI: 10.1039/c5ra05571g] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Zwitterionic SiO2 nanoparticles exhibit great potential for improving the antifouling performance of hydrophobic PVDF membranes.
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Affiliation(s)
- Jing Zhu
- State Key Lab for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Xinzhen Zhao
- State Key Lab for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
| | - Chunju He
- State Key Lab for Modification of Chemical Fibers and Polymer Materials
- College of Materials Science and Engineering
- Donghua University
- Shanghai 201620
- China
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23
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Abdelhamid HN, Talib A, Wu HF. Facile synthesis of water soluble silver ferrite (AgFeO2) nanoparticles and their biological application as antibacterial agents. RSC Adv 2015. [DOI: 10.1039/c4ra14461a] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The syntheses and antibacterial activity of AgFeO2 and AgFO2 modified polyethylene glycols are reported.
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Affiliation(s)
- Hani Nasser Abdelhamid
- Department of Chemistry
- National Sun Yat-Sen University
- Kaohsiung 804
- Taiwan
- Department of Chemistry
| | - Abou Talib
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Hui-Fen Wu
- Department of Chemistry
- National Sun Yat-Sen University
- Kaohsiung 804
- Taiwan
- School of Pharmacy
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24
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Yaroslavtsev AB, Yampolskii YP. Hybrid membranes containing inorganic nanoparticles. MENDELEEV COMMUNICATIONS 2014. [DOI: 10.1016/j.mencom.2014.11.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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25
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Xu Z, Zhang J, Shan M, Li Y, Li B, Niu J, Zhou B, Qian X. Organosilane-functionalized graphene oxide for enhanced antifouling and mechanical properties of polyvinylidene fluoride ultrafiltration membranes. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2014.01.050] [Citation(s) in RCA: 342] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Li Y, Su Y, Zhao X, He X, Zhang R, Zhao J, Fan X, Jiang Z. Antifouling, high-flux nanofiltration membranes enabled by dual functional polydopamine. ACS APPLIED MATERIALS & INTERFACES 2014; 6:5548-5557. [PMID: 24694079 DOI: 10.1021/am405990g] [Citation(s) in RCA: 124] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A facile method for fabricating antifouling and high-flux nanofiltration (NF) membranes was developed based on bioinspired polydopamine (PDA). Polyethersulfone (PES) ultrafiltration membrane as the support was first deposited a thin PDA layer and then chemically modified by a new kind of fluorinated polyamine via Michael addition reaction between fluorinated polyamine and quinone groups of PDA. PDA coating significantly reduced the pore sizes of the PES support membrane and endowed the NF membrane with high separation performance (flux about 46.1 L/(m(2) h) under 0.1 MPa, molecular weight cutoff of about 780 Da). The grafted fluorinated polyamine on the PDA layer could form low free energy microdomains to impede the accumulation/coalescence of foulants and lower the adhesion force between foulants and the membrane, rendering the membrane surface with prominent fouling-release property. When foulant solutions (including bovine serum albumin, oil and humic acid) were filtered, the resultant NF membrane exhibited excellent antifouling properties (the minimal value of total flux decline ratio was ∼8.9%, and the flux recovery ratio reached 98.6%). It is also found that the structural stability of the NF membrane could be significantly enhanced due to the covalent bond and other intermolecular interactions between the PDA layer and the PES support.
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Affiliation(s)
- Yafei Li
- Key Laboratory for Green Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
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27
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Aparicio M. Hybrid Organic-Inorganic Nanostructured Membranes. ENCYCLOPEDIA OF MEMBRANES 2014:1-2. [DOI: 10.1007/978-3-642-40872-4_293-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 08/21/2014] [Indexed: 09/02/2023]
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28
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Gu Y, Dorin RM, Wiesner U. Asymmetric organic-inorganic hybrid membrane formation via block copolymer-nanoparticle co-assembly. NANO LETTERS 2013; 13:5323-5328. [PMID: 24102154 DOI: 10.1021/nl402829p] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A facile method for forming asymmetric organic-inorganic hybrid membranes for selective separation applications is developed. This approach combines co-assembly of block copolymer (BCP) and inorganic nanoparticles (NPs) with non-solvent induced phase separation. The method is successfully applied to two distinct molar mass BCPs with different fractions of titanium dioxide (TiO2) NPs. The resulting hybrid membranes exhibit structural asymmetry with a thin nanoporous surface layer on top of a macroporous fingerlike support layer. Key parameters that dictate membrane surface morphology include the fraction of inorganics used and the length of time allowed for surface layer development. The resulting membranes exhibit both good selectivity and high permeability (3200 ± 500 Lm(-2) h(-1) bar(-1)). This fast and straightforward synthesis method for asymmetric hybrid membranes provides a new self-assembly platform upon which multifunctional and high-performance organic-inorganic hybrid membranes can be formed.
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Affiliation(s)
- Yibei Gu
- Department of Materials Science and Engineering, Cornell University , Ithaca, New York 14853, United States
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29
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Pandey RP, Shahi VK. Functionalized silica–chitosan hybrid membrane for dehydration of ethanol/water azeotrope: Effect of cross-linking on structure and performance. J Memb Sci 2013. [DOI: 10.1016/j.memsci.2013.04.065] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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Singh AK, Pandey OP, Sengupta SK. Synthesis, spectral and antimicrobial activity of Zn(II) complexes with Schiff bases derived from 2-hydrazino-5-[substituted phenyl]-1,3,4-thiadiazole and benzaldehyde/2-hydroxyacetophenone/indoline-2,3-dione. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 113:393-399. [PMID: 23747379 DOI: 10.1016/j.saa.2013.04.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 04/05/2013] [Accepted: 04/10/2013] [Indexed: 06/02/2023]
Abstract
Zn(II) complexes have been synthesized by reacting zinc acetate with Schiff bases derived from 2-hydrazino-5-[substituted phenyl]-1,3,4-thiadiazole and 2-hydroxyacetophenone/benzaldehyde/indoline-2,3-dione. All these complexes are soluble in DMF and DMSO; low molar conductance values indicate that they are non electrolytes. Elemental analyses suggest that the complexes have 1:2 metal to ligands stoichiometry of the types [ZnL2(H2O)2](L=monoanionic Schiff bases derived from 2-hydrazino-5-[substituted phenyl]-1,3,4-thiadiazole and 2-hydroxyacetophenone/indoline-2,3-dione) [ZnL2(')(OOCCH3)2(H2O)2](L'=neutral Schiff bases derived from 2-hydrazino-5-[substituted phenyl]-1,3,4-thiadiazole and benzaldehyde), and they were characterized by IR, (1)H NMR, and (13)C NMR. Particle sizes of synthesized compounds were measured with dynamic light scattering (DLS) analyser which indicates that particle diameter are of the range ca. 100-200nm. All these Schiff bases and their complexes have also been screened for their antibacterial (Bacillus subtilis (B. subtilis), Escherichia coli (E. coli) and antifungal activities (Colletotrichum falcatum (C. falcatum), Aspergillus niger (A. niger), Fusarium oxysporium (F. oxysporium) Curvularia pallescence (C. pallescence). The antimicrobial activities have shown that upon complexation the activity increases.
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Affiliation(s)
- Ajay K Singh
- Department of Chemistry, DDU Gorakhpur University, Gorakhpur 273 009, India
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31
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Müller WEG, Wang X, Proksch P, Perry CC, Osinga R, Gardères J, Schröder HC. Principles of biofouling protection in marine sponges: a model for the design of novel biomimetic and bio-inspired coatings in the marine environment? MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2013; 15:375-398. [PMID: 23525893 DOI: 10.1007/s10126-013-9497-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Accepted: 03/09/2013] [Indexed: 06/02/2023]
Abstract
The process of biofouling of marine structures and substrates, such as platforms or ship hulls, proceeds in multiple steps. Soon after the formation of an initial conditioning film, formed via the adsorption of organic particles to natural or man-made substrates, a population of different bacterial taxa associates under the formation of a biofilm. These microorganisms communicate through a complex quorum sensing network. Macro-foulers, e.g., barnacles, then settle and form a fouling layer on the marine surfaces, a process that globally has severe impacts both on the economy and on the environment. Since the ban of tributyltin, an efficient replacement of this antifouling compound by next-generation antifouling coatings that are environmentally more acceptable and also showing longer half-lives has not yet been developed. The sponges, as sessile filter-feeder animals, have evolved antifouling strategies to protect themselves against micro- and subsequent macro-biofouling processes. Experimental data are summarized and suggest that coating of the sponge surface with bio-silica contributes to the inhibition of the formation of a conditioning film. A direct adsorption of the surfaces by microorganisms can be impaired through poisoning the organisms with direct-acting secondary metabolites or toxic peptides. In addition, first, compounds from sponges have been identified that interfere with the anti-quorum sensing network. Sponge secondary metabolites acting selectively on diatom colonization have not yet been identified. Finally, it is outlined that direct-acting secondary metabolites inhibiting the growth of macro-fouling animals and those that poison the multidrug resistance pump are available. It is concluded that rational screening programs for inhibitors of the complex and dynamic problem of biofilm production, based on multidisciplinary studies and using sponges as a model, are required in the future.
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Affiliation(s)
- Werner E G Müller
- ERC Advanced Investigator Grant Research Group at Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, 55128 Mainz, Germany.
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32
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Singh AK, Pandey RP, Jasti A, Shahi VK. Self-assembled silicananocrystal-based anti-biofouling nanofilter membranes. RSC Adv 2013. [DOI: 10.1039/c2ra21135a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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33
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Lin L, Cui H, Zeng G, Chen M, Zhang H, Xu M, Shen X, Bortolini C, Dong M. Ag–CuFe2O4 magnetic hollow fibers for recyclable antibacterial materials. J Mater Chem B 2013; 1:2719-2723. [DOI: 10.1039/c3tb20223b] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Chen Y, Zhang Y, Liu J, Zhang H, Wang K. Preparation and antibacterial property of polyethersulfone ultrafiltration hybrid membrane containing halloysite nanotubes loaded with copper ions. CHEMICAL ENGINEERING JOURNAL 2012; 210:298-308. [DOI: 10.1016/j.cej.2012.08.100] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
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35
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Potentiation of the cytotoxic activity of copper by polyphosphate on biofilm-producing bacteria: a bioinspired approach. Mar Drugs 2012. [PMID: 23203265 PMCID: PMC3509523 DOI: 10.3390/md10112369] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Adhesion and accumulation of organic molecules represent an ecologically and economically massive problem. Adhesion of organic molecules is followed by microorganisms, unicellular organisms and plants together with their secreted soluble and structure-associated byproducts, which damage unprotected surfaces of submerged marine structures, including ship hulls and heat exchangers of power plants. This is termed biofouling. The search for less toxic anti-biofilm strategies has intensified since the ban of efficient and cost-effective anti-fouling paints, enriched with the organotin compound tributyltin, not least because of our finding of the ubiquitous toxic/pro-apoptotic effects displayed by this compound [1]. Our proposed bio-inspired approach for controlling, suppressing and interfluencing the dynamic biofouling complex uses copper as one component in an alternative anti-fouling system. In order to avoid and overcome the potential resistance against copper acquired by microorganisms we are using the biopolymer polyphosphate (polyP) as a further component. Prior to being functionally active, polyP has to be hydrolyzed to ortho-phosphate which in turn can bind to copper and export the toxic compound out of the cell. It is shown here that inhibition of the hydrolysis of polyP by the bisphosphonate DMDP strongly increases the toxic effect of copper towards the biofilm-producing Streptococcus mutans in a synergistic manner. This bisphosphonate not only increases the copper-caused inhibition of cell growth but also of biofilm production by the bacteria. The defensin-related ASABF, a marine toxin produced by the sponge Suberites domuncula, caused only an additive inhibitory effect in combination with copper. We conclude that the new strategy, described here, has a superior anti-biofilm potential and can be considered as a novel principle for developing bio-inspired antifouling compounds, or cocktails of different compounds, in the future.
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36
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Singh AK, Prakash S, Kulshrestha V, Shahi VK. Cross-linked hybrid nanofiltration membrane with antibiofouling properties and self-assembled layered morphology. ACS APPLIED MATERIALS & INTERFACES 2012; 4:1683-1692. [PMID: 22360398 DOI: 10.1021/am201821a] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A new siloxane monomer, 3-(3-(diethoxy(2-(5-(4-(10-ethoxy-4-hydroxy-2,2-dimethyl-11-oxa-2-ammonio-6-aza-10-silatridecan-10-yl)phenyl)-1,3,4-oxadi azol-2-ylthio)ethyl)silyl)propylamino)-2-hydroxy-N,N,N-trimethylpropan-1-aminium chloride (OA), was synthesized by reported 3-((4-(5-(2-((3-aminopropyl) diethoxysilyl)ethylthio)-1,3,4-oxadiazol-2-yl)phenyl) diethoxysilyl)propan-1-amine (APDSMO) and glycidyltrimethylammonium chloride (GDTMAC) by epoxide ring-opening reaction. OA-poly(vinyl alcohol) (PVA) hybrid antibiofouling nanofilter (NF) membranes were prepared by acid-catalyzed sol-gel followed by formal cross-linking. Membranes showed wormlike arrangement and self-assembled layered morphology with varying OA content. Hybrid NF membrane, especially OA-6, showed low surface roughness, high hydrophilic nature, low biofouling, high cross-linking density, thermal and mechanical stablility, solvent- and chlorine-tolerant nature, along with good permeability and salt rejection. Prepared OA-6 hybrid NF membrane can be used efficiently for desalting and purification of water with about 2.0 g/L salt content (groundwater in major part of India). The described method provides novel route for producing antibiofouling membranes of diversified applications.
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Affiliation(s)
- Ajay K Singh
- Electro-Membrane Processes Division, Central Salt & Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364002, Gujarat, India
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