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Syrtsova DA, Alentiev AY, Chirkov SV, Bezgin DA, Nikiforov RY, Levin IS, Belov NA. A Method of Liquid-Phase Fluorination of Polymers to Increase the Selectivity of O2/N2 Separation. MEMBRANES AND MEMBRANE TECHNOLOGIES 2023. [DOI: 10.1134/s2517751623010067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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2
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Asadabadi S, Ahmadi Feijani E, Ahmadian‐Alam L. Gas separation improvement of
PES
/
PSF
/
PVP
blend mixed matrix membranes inclusive of amorphous
MOFs
by
O
2
plasma treatment. J Appl Polym Sci 2022. [DOI: 10.1002/app.53128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Simin Asadabadi
- Department of Applied Chemistry, Faculty of Chemistry Bu‐Ali Sina University Hamedan Iran
| | - Elahe Ahmadi Feijani
- Department of Applied Chemistry, Faculty of Chemistry Bu‐Ali Sina University Hamedan Iran
| | - Leila Ahmadian‐Alam
- Department of Electrical and Computer Engineering University of New Hampshire Durham New Hampshire USA
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3
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Kiani S, Raisi A. Evaluation of polyurethane/nylon 6(3) blend membranes for enhanced
CO
2
separation. J Appl Polym Sci 2022. [DOI: 10.1002/app.52812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sahar Kiani
- Department of Chemical Engineering Amirkabir University of Technology (Tehran Polytechnic) Tehran Iran
| | - Ahmadreza Raisi
- Department of Chemical Engineering Amirkabir University of Technology (Tehran Polytechnic) Tehran Iran
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4
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Syrtsova D, Piskarev M, Zinoviev A, Кuznetsov A, Skryleva E, Gilman A, Теplyakov V. The gas permeability properties of poly(vinyltrimethylsilane) treated by low‐temperature plasma. J Appl Polym Sci 2022. [DOI: 10.1002/app.52821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Daria Syrtsova
- Russian Academy of Sciences A. V. Topchiev Institute of Petrochemical Synthesis Moscow Russia
| | - Mikhail Piskarev
- Russian Academy of Sciences N. S. Enikolopov Institute of Synthetic Polymer Materials Moscow Russia
| | - Alexandr Zinoviev
- Russian Academy of Sciences N. S. Enikolopov Institute of Synthetic Polymer Materials Moscow Russia
| | - Alexandr Кuznetsov
- Russian Academy of Sciences N. S. Enikolopov Institute of Synthetic Polymer Materials Moscow Russia
| | - Elena Skryleva
- National University of Science and Technology “MISiS” Joint Research Center «Material Science and Metallurgy» Moscow Russia
| | - Alla Gilman
- Russian Academy of Sciences N. S. Enikolopov Institute of Synthetic Polymer Materials Moscow Russia
| | - Vladimir Теplyakov
- Russian Academy of Sciences A. V. Topchiev Institute of Petrochemical Synthesis Moscow Russia
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5
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Boaretti C, Rossignolo G, Roso M, Modesti M, Kandola B, Vendrame A, Lorenzetti A. Investigation and Optimization of Vacuum Plasma Treatment of PA66 Fabric for Reduced Fire Retardant Consumption. ACS OMEGA 2022; 7:21775-21787. [PMID: 35785267 PMCID: PMC9244904 DOI: 10.1021/acsomega.2c01870] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/03/2022] [Indexed: 05/12/2023]
Abstract
Flame retardant (FR) textiles were obtained by surface treatments of polyamide 66 fabrics with microwave (MW) plasma technology in order to reduce the amount of FR involved in the fabric finishing process. More specifically, MW vacuum plasma was employed for polymer surface activation by using a helium/oxygen (He/O2) gas mixture, evaluating the effect of different treatment parameters on the affinity toward thiourea impregnation. Surface fabric modification was investigated both in terms of uniformity and increased thiourea absorption by infrared spectroscopy, wicking properties, and gravimetric characterization to define an operative window for plasma treatment conditions. According to the results obtained, the dry add-on content of thiourea improved up to 38%, thanks to the increase of the fabric surface activation. The effectiveness of plasma treatment resulted in an absolute increase up to 2% in limiting oxygen index (LOI) performance with respect to untreated fabric. As a consequence, a drastic reduction of 50% in thiourea concentration was required to achieve a similar fire retardant performance for plasma-treated fabric. On the basis of these preliminary results, a design of experiment (DoE) methodology was applied to the selected parameters to build a suitable response surface, experimentally validated, and to identify optimized treatment conditions. At the end, a final LOI index up to 43% has been reached.
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Affiliation(s)
- Carlo Boaretti
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
- . Phone: +39 049 827 5544
| | - Gabriele Rossignolo
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
| | - Martina Roso
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
| | - Michele Modesti
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
| | - Baljinder Kandola
- Institute
for Materials Research and Innovation, University
of Bolton, Deane Road, Bolton BL3
5AB, U.K.
| | - Arianna Vendrame
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
| | - Alessandra Lorenzetti
- Department
of Industrial Engineering (DII), University
of Padova, Via Marzolo
9, 35131 Padova, Italy
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6
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High-performance BiVO 4 photoanodes cocatalyzed with bilayer metal-organic frameworks for photoelectrochemical application. J Colloid Interface Sci 2022; 619:257-266. [PMID: 35397459 DOI: 10.1016/j.jcis.2022.03.143] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/28/2022] [Accepted: 03/30/2022] [Indexed: 11/23/2022]
Abstract
In this work, we modified a BiVO4 photoanode with bilayer Fe-MOF and Ni-MOF as cocatalysts for the first time and obtained a highly efficient BiVO4 composite photoanode whose photocurrent density was increased by 2.7 times. The optimized BiVO4/Fe-MOF/Ni-MOF photoanode demonstrated a photocurrent density of 1.80 mA/cm2 at 1.23 V vs. a reversible hydrogen electrode (RHE). The onset potential of the BiVO4/Fe-MOF/Ni-MOF photoanode markedly decreased from 0.9 V to 0.69 V in comparison with the pure BiVO4 photoanode. It is speculated that Fe-MOF and Ni-MOF led to more reactive oxygen evolution sites and that the bilayer cocatalysts synergistically promoted the separation of photogenerated electron-hole pairs, which may be the influencing factor for the photoelectrochemical performance of the BiVO4/Fe-MOF/Ni-MOF photoanode being distinctively enhanced. Thus, this work sheds some interesting new light on the construction of a high-efficiency photoanode for photoelectrochemical applications.
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7
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Design and fabrication of fouling resistant cross-linked polyamide thin film composite nanofiltration membrane consisting of an aliphatic triamine and terephthaloyl chloride for water desalting applications. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127855] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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8
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Pais V, Mota C, Bessa J, Dias JG, Cunha F, Fangueiro R. Study of the Filtration Performance of Multilayer and Multiscale Fibrous Structures. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7147. [PMID: 34885301 PMCID: PMC8658242 DOI: 10.3390/ma14237147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/16/2021] [Accepted: 11/19/2021] [Indexed: 12/02/2022]
Abstract
As the incidence of small-diameter particles in the air has increased in recent decades, the development of efficient filtration systems is both urgent and necessary. Nanotechnology, more precisely, electrospun nanofibres, has been identified as a potential solution for this issue, since it allows for the production of membranes with high rates of fibres per unit area, increasing the probability of nanoparticle collision and consequent retention. In the present study, the electrospinning technique of polyamide nanofibre production was optimized with the variation of parameters such as polymer concentration, flow rate and needle diameter. The optimized polyamide nanofibres were combined with polypropylene and polyester microfibres to construct a multilayer and multiscale system with an increased filtration efficiency. We observed that the penetration value of the multilayer system with a PA membrane in the composition, produced for 20 min in the electrospinning, is 2.7 times smaller than the penetration value of the system with the absence of micro and nano fibers.
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Affiliation(s)
- Vânia Pais
- Fibrenamics, Institute of Innovation on Fiber-based Materials and Composites, University of Minho, 4800 Guimarães, Portugal; (C.M.); (J.B.); (F.C.); (R.F.)
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800 Guimarães, Portugal
| | - Carlos Mota
- Fibrenamics, Institute of Innovation on Fiber-based Materials and Composites, University of Minho, 4800 Guimarães, Portugal; (C.M.); (J.B.); (F.C.); (R.F.)
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800 Guimarães, Portugal
| | - João Bessa
- Fibrenamics, Institute of Innovation on Fiber-based Materials and Composites, University of Minho, 4800 Guimarães, Portugal; (C.M.); (J.B.); (F.C.); (R.F.)
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800 Guimarães, Portugal
| | | | - Fernando Cunha
- Fibrenamics, Institute of Innovation on Fiber-based Materials and Composites, University of Minho, 4800 Guimarães, Portugal; (C.M.); (J.B.); (F.C.); (R.F.)
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800 Guimarães, Portugal
| | - Raul Fangueiro
- Fibrenamics, Institute of Innovation on Fiber-based Materials and Composites, University of Minho, 4800 Guimarães, Portugal; (C.M.); (J.B.); (F.C.); (R.F.)
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800 Guimarães, Portugal
- Department of Mechanical Engineering, University of Minho, 4800 Guimarães, Portugal
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9
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Zaki MRM, Ying PX, Zainuddin AH, Razak MR, Aris AZ. Occurrence, abundance, and distribution of microplastics pollution: an evidence in surface tropical water of Klang River estuary, Malaysia. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:3733-3748. [PMID: 33712970 DOI: 10.1007/s10653-021-00872-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 02/27/2021] [Indexed: 05/05/2023]
Abstract
Microplastics have been considered as contaminants of emerging concern due to ubiquity in the environment; however, the occurrence of microplastics in river estuaries is scarcely investigated. The Klang River estuary is an important ecosystem that receives various contaminants from urbanised, highly populated areas and the busiest maritime centre in Selangor, Malaysia. This study investigates the abundance and characteristics of microplastics in surface water of the Klang River estuary. The abundance of microplastics ranged from 0.5 to 4.5 particles L-1 with a mean abundance of 2.47 particles L-1. There is no correlation between the abundance of microplastics and physicochemical properties, while there is a strong correlation between salinity and conductivity. The microplastics were characterised with a stereomicroscope and attenuated total reflection-Fourier transform infrared spectroscopy to analyse size, shape, colour, and polymer composition. The microplastics in the surface water were predominantly in the 300-1000 μm size class, followed by > 1000 μm and < 300 μm, and were mostly transparent fibres, fragments, and pellets. Polyamide and polyethylene were the main polymer types in the composition of the microplastics, suggesting that the microplastics originated from heavily urbanised and industrial locations such as the port, jetty, and residential areas. The widespread occurrence of microplastics in the environment and subsequent penetration of aquatic food webs may pose a serious threat to organisms. This study provides baseline data and a framework for further investigation of microplastic contamination in estuaries.
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Affiliation(s)
- Muhammad Rozaimi Mohd Zaki
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Peh Xin Ying
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Azim Haziq Zainuddin
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Muhammad Raznisyafiq Razak
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Ahmad Zaharin Aris
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
- International Institute of Aquaculture and Aquatic Sciences, Universiti Putra Malaysia, 71050, Port Dickson, Negeri Sembilan, Malaysia.
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10
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Levchenko I, Xu S, Baranov O, Bazaka O, Ivanova EP, Bazaka K. Plasma and Polymers: Recent Progress and Trends. Molecules 2021; 26:molecules26134091. [PMID: 34279431 PMCID: PMC8271681 DOI: 10.3390/molecules26134091] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/20/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Plasma-enhanced synthesis and modification of polymers is a field that continues to expand and become increasingly more sophisticated. The highly reactive processing environments afforded by the inherently dynamic nature of plasma media are often superior to ambient or thermal environments, offering substantial advantages over other processing methods. The fluxes of energy and matter toward the surface enable rapid and efficient processing, whereas the charged nature of plasma-generated particles provides a means for their control. The range of materials that can be treated by plasmas is incredibly broad, spanning pure polymers, polymer-metal, polymer-wood, polymer-nanocarbon composites, and others. In this review, we briefly outline some of the recent examples of the state-of-the-art in the plasma-based polymer treatment and functionalization techniques.
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Affiliation(s)
- Igor Levchenko
- Plasma Sources and Application Centre, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore;
- Correspondence: (I.L.); (K.B.)
| | - Shuyan Xu
- Plasma Sources and Application Centre, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore;
| | - Oleg Baranov
- Faculty of Aircraft Engines, National Aerospace University, 61070 Kharkiv, Ukraine;
| | - Olha Bazaka
- School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3001, Australia; (O.B.); (E.P.I.)
| | - Elena P. Ivanova
- School of Science, RMIT University, P.O. Box 2476, Melbourne, VIC 3001, Australia; (O.B.); (E.P.I.)
| | - Kateryna Bazaka
- Plasma Sources and Application Centre, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore;
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
- School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
- Correspondence: (I.L.); (K.B.)
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11
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Slippery Liquid-Infused Porous Polymeric Surfaces Based on Natural Oil with Antimicrobial Effect. Polymers (Basel) 2021; 13:polym13020206. [PMID: 33430082 PMCID: PMC7826890 DOI: 10.3390/polym13020206] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 01/05/2021] [Indexed: 01/31/2023] Open
Abstract
Many polymer materials have found a wide variety of applications in biomedical industries due to their excellent mechanical properties. However, the infections associated with the biofilm formation represent serious problems resulting from the initial bacterial attachment on the polymeric surface. The development of novel slippery liquid-infused porous surfaces (SLIPSs) represents promising method for the biofilm formation prevention. These surfaces are characterized by specific microstructural roughness able to hold lubricants inside. The lubricants create a slippery layer for the repellence of various liquids, such as water and blood. In this study, effective antimicrobial modifications of polyethylene (PE) and polyurethane (PU), as commonly used medical polymers, were investigated. For this purpose, low-temperature plasma treatment was used initially for activation of the polymeric surface, thereby enhancing surface and adhesion properties. Subsequently, preparation of porous microstructures was achieved by electrospinning technique using polydimethylsiloxane (PDMS) in combination with polyamide (PA). Finally, natural black seed oil (BSO) infiltrated the produced fiber mats acting as a lubricating layer. The optimized fiber mats' production was achieved using PDMS/PA mixture at ratio 1:1:20 (g/g/mL) using isopropyl alcohol as solvent. The surface properties of produced slippery surfaces were analyzed by various microscopic and optics techniques to obtain information about wettability, sliding behavior and surface morphology/topography. The modified PE and PU substrates demonstrated slippery behavior of an impinged water droplet at a small tilting angle. Moreover, the antimicrobial effects of the produced SLIPs using black seed oil were proven against Gram-positive Staphylococcus aureus (S. aureus) and Gram-negative Escherichia coli (E. coli).
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12
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Application of quorum sensing inhibitors for improving anti-biofouling of polyamide reverse osmosis membranes: Direct injection versus surface modification. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117736] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Preparation and modification of an embossed nanofibrous materials for robust filtration performance of PM0.2 removal. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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14
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Dryakhlov VO, Shaikhiev IG, Galikhanov MF, Sverguzova SV. Modification of Polymeric Membranes by Corona Discharge. MEMBRANES AND MEMBRANE TECHNOLOGIES 2020. [DOI: 10.1134/s2517751620030038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Alekseeva MY, Dryakhlov VO, Shaikhiev IG, Galikhanov MF, Nizameev IR. Effect of Unipolar Corona Discharge Parameters on the Surface Characteristics of Polysulfonamide Membranes and Their Separation Efficiency for Water-in-Oil Emulsions. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2020. [DOI: 10.3103/s1068375520020027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Jung J, Ryu J, Yu Y, Kweon J. Characteristics of organic fouling, reversibility by physical cleaning and concentrates in forward osmosis membrane processes for wastewater reclamation. CHEMOSPHERE 2020; 245:125787. [PMID: 31959357 DOI: 10.1016/j.chemosphere.2019.125787] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/24/2019] [Accepted: 12/28/2019] [Indexed: 06/10/2023]
Abstract
Numerous advantages of forward osmosis (FO) include operation at low or no hydraulic pressure, high rejection of a wide range of contaminants, and low irreversible fouling. The FO has been investigated to reduce effluent discharge in wastewater reclamation. The application of wastewater effluent as a feed stream to FO yields fouling on the active layer of the FO membrane. Fouling was examined using two compounds (i.e., alginate and humic acid) with distinguished hydrophobic properties. The repeated filtration and surface wash were applied and flux decline and reversibility of physical cleaning were evaluated. In addition, the characteristics of fouling cakes and concentrates were also analyzed. The foulants showed different behaviors in flux decline. The thick cake layer of alginate was obvious and the cake enhanced concentration polarization was also observed. The recovery results along with the FTIR spectra and FE-SEM images proved that the surface cleaning was not effective to detach foulants, especially for alginate fouling. The osmotic backwash showed greater flux recovery for alginate fouling than humic acid fouling, which indicated that restoring membrane pores or disturbing cake layers by osmotic backwash might be successful for the foulants for strong interactions between foulants and foulants. The concentrates were mostly composed of humic substances and low-molecular weight neutrals. The differences in the relative portions of the major components were occurred in the concentrates implying that the organic properties of the feed water and also interactions of foulants and membranes should be evaluated prior to determination of disposal options for concentrates.
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Affiliation(s)
- Jaehyun Jung
- Department of Environment and Energy, Sejong University, Seoul, 05006, Republic of Korea
| | - Junhee Ryu
- Department of Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Youngjae Yu
- Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, 85721, USA
| | - Jihyang Kweon
- Department of Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
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17
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Dobrozhan O, Pshenychnyi R, Vorobiov S, Kurbatov D, Komanicky V, Opanasyuk A. Influence of the thermal annealing on the morphological and structural properties of ZnO films deposited onto polyimide substrates by ink-jet printing. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2145-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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18
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Zhang L, Karumuri S, Alavi SH, Bai H, Harimkar SP, Kalkan AK. Photoprintable nanowire–polymer blends synthesized by dynamic emulsion polycondensation. J Appl Polym Sci 2019. [DOI: 10.1002/app.47670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Linqi Zhang
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
| | - Sriharsha Karumuri
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
| | - S. Habib Alavi
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
| | - He Bai
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
| | - Sandip P. Harimkar
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
| | - A. Kaan Kalkan
- School of Mechanical Engineering Oklahoma State University Stillwater Oklahoma 74078
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19
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Supported PEBA-zeolite 13X nano-composite membranes for gas separation: Preparation, characterization and molecular dynamics simulation. Chem Eng Sci 2018. [DOI: 10.1016/j.ces.2018.04.067] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Zhang Y, Shen Y, Hou J, Zhang Y, Fam W, Liu J, Bennett TD, Chen V. Ultraselective Pebax Membranes Enabled by Templated Microphase Separation. ACS APPLIED MATERIALS & INTERFACES 2018; 10:20006-20013. [PMID: 29786417 DOI: 10.1021/acsami.8b03787] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Block copolymer materials have been considered as promising candidates to fabricate gas separation membranes. This microphase separation affects the polymer chain packing density and molecular separation efficiency. Here, we demonstrate a method to template microphase separation within a thin composite Pebax membrane, through the controllable self-assembly of one-dimensional halloysite nanotubes (HNTs) within the thin film via the solution-casting technique. Crystallization of the polyamide component is induced at the HNT surface, guiding subsequent crystal growth around the tubular structure. The resultant composite membrane possesses an ultrahigh selectivity (up to 290) for the CO2/N2 gas pair, together with a moderate CO2 permeability (80.4 barrer), being the highest selectivity recorded for Pebax-based membranes, and it easily surpasses the Robeson upper bound. The templated microphase separation concept is further demonstrated with the nanocomposite hollow fiber gas separation membranes, showing its effectiveness of promoting gas selectivity.
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Affiliation(s)
- Yatao Zhang
- School of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001 , P. R. China
| | - Yijia Shen
- School of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001 , P. R. China
| | - Jingwei Hou
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering , University of New South Wales , Sydney 2052 , Australia
- Department of Materials Science and Metallurgy , University of Cambridge , Cambridge CB3 0FS , U.K
| | - Yiming Zhang
- School of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001 , P. R. China
| | - Winny Fam
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering , University of New South Wales , Sydney 2052 , Australia
| | - Jindun Liu
- School of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001 , P. R. China
| | - Thomas Douglas Bennett
- Department of Materials Science and Metallurgy , University of Cambridge , Cambridge CB3 0FS , U.K
| | - Vicki Chen
- UNESCO Centre for Membrane Science and Technology, School of Chemical Engineering , University of New South Wales , Sydney 2052 , Australia
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21
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Pajnik J, Radetić M, Stojanovic DB, Jankovic-Častvan I, Tadic V, Stanković MV, Jovanović DM, Zizovic I. Functionalization of polypropylene, polyamide and cellulose acetate materials with pyrethrum extract as a natural repellent in supercritical carbon dioxide. J Supercrit Fluids 2018. [DOI: 10.1016/j.supflu.2018.02.014] [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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22
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Vatani M, Raisi A, Pazuki G. Pervaporation separation of ethyl acetate from aqueous solutions using ZSM-5 filled dual-layer poly(ether- block-amide)/polyethersulfone membrane. RSC Adv 2018; 8:4713-4725. [PMID: 35539544 PMCID: PMC9077772 DOI: 10.1039/c7ra13382k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 01/22/2018] [Indexed: 11/23/2022] Open
Abstract
In the present study, dual-layer mixed matrix membranes (MMMs) were prepared by incorporating ZSM-5 zeolite into poly(ether-block-amide) (PEBA) as an active layer on the polyethersulfone (PES) membrane as a support layer for pervaporation separation of ethyl acetate (EAc) from EAc/water mixtures. The ZSM-5 zeolite nanoparticles were synthesized by the hydrothermal technique and characterized using XRD, XRF and FESEM analysis. The ATR-FTIR, SEM, DSC and contact angle tests were used to characterize the fabricated MMMs. The effect of ZSM-5 concentration on the performance of the membranes was investigated by the pervaporation experiments and the results showed that loading 10% wt% ZSM-5 into the PEBA matrix had the best separation performance. The effect of feed concentration (1–5 wt%) and operating temperature (30–50 °C) on the separation factor and permeation flux of the neat PEBA/PES and PEBA/PES membranes containing 10 wt% ZSM-5 were studied at laminar and turbulent feed flow regimes. Analysis of variance was used to investigate the interaction effect of EAc concentration and temperature on the performance of the prepared membranes. It was observed that both feed concentration and temperature had positive effects on the total permeation flux and separation factor. The ZSM-5/PEBA/PES membrane containing 10 wt% ZSM-5 showed a separation factor and total flux of 124.94 and 1882 g m−2 h−1 at laminar flow and 134.22 and 1985 g m−2 h−1 at turbulent flow, respectively for a feed concentration of 5 wt% and temperature of 50 °C. Dual-layer mixed matrix membranes were prepared by incorporating ZSM-5 zeolite into PEBA as an active layer on the PES membrane as a support layer for pervaporation separation of EAc from the EAc/water mixtures.![]()
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Affiliation(s)
- M Vatani
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic) Hafez Ave, P. O. Box 15875-4413 Tehran Iran +98 21 66405847 +98 21 64543125
| | - A Raisi
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic) Hafez Ave, P. O. Box 15875-4413 Tehran Iran +98 21 66405847 +98 21 64543125
| | - G Pazuki
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic) Hafez Ave, P. O. Box 15875-4413 Tehran Iran +98 21 66405847 +98 21 64543125
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23
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Bai L, Jiang X, Liu B, Wang W, Chen H, Xue Z, Niu Y, Yang H, Wei D. RAFT-mediated Pickering emulsion polymerization with cellulose nanocrystals grafted with random copolymer as stabilizer. RSC Adv 2018; 8:28660-28667. [PMID: 35548399 PMCID: PMC9084400 DOI: 10.1039/c8ra03816c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/26/2018] [Indexed: 12/26/2022] Open
Abstract
The synthesis of a RAFT-mediated Pickering emulsion was firstly achieved by using cellulose nanocrystals (CNCs) grafted with a random copolymer as the stabilizer. Firstly, poly(acrylonitrile-r-butyl acrylate) (poly(AN-r-nBA)) was synthesized by Cu(0)-mediated CRP, which was further modified via a click chemistry strategy to obtain poly(ethylene tetrazole-r-butyl acrylate) (poly(VT-r-nBA)). Then, poly(VT-r-nBA) was grafted onto the CNCs through a Mitsunobu reaction to obtain poly(VT-r-nBA)-g-CNCs. Stabilized by poly(VT-r-nBA)-g-CNCs, an O/W RAFT-mediated Pickering emulsion was formed for the preparation of well-controlled poly(methyl methacrylate) (PMMA) particles with water-soluble potassium persulfate (KPS) as an initiator and oil-soluble 4-cyanopentanoic acid dithiobenzoate (CPADB) as a chain transfer agent. Rheological analysis suggested that the prepared Pickering emulsion possessed good stability under the influences of changes in strain, time, frequency and temperature. Furthermore, the recycling and further utilization of the poly(VT-r-nBA)-g-CNCs could be simply realized through centrifugal separation. A RAFT-mediated Pickering emulsion with cellulose nanocrystals grafted with a random copolymer was used for the preparation of poly(methyl methacrylate) particles..![]()
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Affiliation(s)
- Liangjiu Bai
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Xinyan Jiang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Beifang Liu
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Wenxiang Wang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Hou Chen
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Zhongxin Xue
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Yuzhong Niu
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Huawei Yang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Donglei Wei
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
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24
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Allahbakhsh A, Noei Khodabadi F, Hosseini FS, Haghighi AH. 3-Aminopropyl-triethoxysilane-functionalized rice husk and rice husk ash reinforced polyamide 6/graphene oxide sustainable nanocomposites. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.07.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Mixed matrix membrane of nano-zeolite NaX/poly (ether-block-amide) for gas separation applications. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.02.059] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Selective Plasma Etching of Polymeric Substrates for Advanced Applications. NANOMATERIALS 2016; 6:nano6060108. [PMID: 28335238 PMCID: PMC5302619 DOI: 10.3390/nano6060108] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 05/28/2016] [Accepted: 05/30/2016] [Indexed: 12/26/2022]
Abstract
In today’s nanoworld, there is a strong need to manipulate and process materials on an atom-by-atom scale with new tools such as reactive plasma, which in some states enables high selectivity of interaction between plasma species and materials. These interactions first involve preferential interactions with precise bonds in materials and later cause etching. This typically occurs based on material stability, which leads to preferential etching of one material over other. This process is especially interesting for polymeric substrates with increasing complexity and a “zoo” of bonds, which are used in numerous applications. In this comprehensive summary, we encompass the complete selective etching of polymers and polymer matrix micro-/nanocomposites with plasma and unravel the mechanisms behind the scenes, which ultimately leads to the enhancement of surface properties and device performance.
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27
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Wang S, Feng J, Xie Y, Tian Z, Peng D, Wu H, Jiang Z. Constructing asymmetric membranes via surface segregation for efficient carbon capture. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2015.11.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Lv J, Liu Y, Qin Y, Guo R, Zhang J, Wei Z. The preparation of SPEEK/phosphate salts membranes and application for CO2/CH4separation. J Appl Polym Sci 2016. [DOI: 10.1002/app.43399] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jianfei Lv
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
| | - Yuanyuan Liu
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
| | - Yun Qin
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
| | - Ruili Guo
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
| | - Jianshu Zhang
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
| | - Zhong Wei
- School of Chemistry and Chemical Engineering, Key Laboratory for Green Process of Chemical Engineering of Xinjiang Bingtuan; Shihezi University; Xinjiang Shihezi 832003 China
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29
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Habibiannejad SA, Aroujalian A, Raisi A. Pebax-1657 mixed matrix membrane containing surface modified multi-walled carbon nanotubes for gas separation. RSC Adv 2016. [DOI: 10.1039/c6ra14141b] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this study different functional groups on the surface of carbon nanotube enhanced the performance of Pebax 1657/MWNTs.
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Affiliation(s)
- S. A. Habibiannejad
- Department of Chemical Engineering
- Amirkabir University of Technology (Tehran Polytechnic)
- Tehran
- Iran
| | - A. Aroujalian
- Department of Chemical Engineering
- Amirkabir University of Technology (Tehran Polytechnic)
- Tehran
- Iran
- Food Process Engineering and Biotechnology Research Center
| | - A. Raisi
- Department of Chemical Engineering
- Amirkabir University of Technology (Tehran Polytechnic)
- Tehran
- Iran
- Food Process Engineering and Biotechnology Research Center
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30
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Khoshkam M, Sadeghi M, Chenar MP, Naghsh M, Namazi fard MJ, Shafiei M. Synthesis, characterization and gas separation properties of novel copolyimide membranes based on flexible etheric–aliphatic moieties. RSC Adv 2016. [DOI: 10.1039/c6ra04973g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The structural properties and gas permeation of a group of copolyimide membranes were investigated.
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Affiliation(s)
- Milad Khoshkam
- Chemical Engineering Department
- Faculty of Engineering
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Morteza Sadeghi
- Department of Chemical Engineering
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran
| | | | - Mahdi Naghsh
- Department of Chemical Engineering
- Isfahan University of Technology
- Isfahan 84156-83111
- Iran
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31
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Attri P, Sarinont T, Kim M, Amano T, Koga K, Cho AE, Choi EH, Shiratani M. Influence of ionic liquid and ionic salt on protein against the reactive species generated using dielectric barrier discharge plasma. Sci Rep 2015; 5:17781. [PMID: 26656857 PMCID: PMC4674715 DOI: 10.1038/srep17781] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 11/04/2015] [Indexed: 01/14/2023] Open
Abstract
The presence of salts in biological solution can affect the activity of the reactive species (RS) generated by plasma, and so they can also have an influence on the plasma-induced sterilization. In this work, we assess the influence that diethylammonium dihydrogen phosphate (DEAP), an ionic liquid (IL), and sodium chloride (NaCl), an ionic salt (IS), have on the structural changes in hemoglobin (Hb) in the presence of RS generated using dielectric barrier discharge (DBD) plasma in the presence of various gases [O2, N2, Ar, He, NO (10%) + N2 and Air]. We carry out fluorescence spectroscopy to verify the generation of •OH with or without the presence of DEAP IL and IS, and we use electron spin resonance (ESR) to check the generation of H• and •OH. In addition, we verified the structural changes in the Hb structure after treatment with DBD in presence and absence of IL and IS. We then assessed the structural stability of the Hb in the presence of IL and IS by using molecular dynamic (MD) simulations. Our results indicate that the IL has a strong effect on the conservation of the Hb structure relative to that of IS against RS generated by plasma.
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Affiliation(s)
- Pankaj Attri
- Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.,Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
| | - Thapanut Sarinont
- Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
| | - Minsup Kim
- Department of Bioinformatics, Korea University, Sejong 02841, Korea
| | - Takaaki Amano
- Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
| | - Kazunori Koga
- Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
| | - Art E Cho
- Department of Bioinformatics, Korea University, Sejong 02841, Korea
| | - Eun Ha Choi
- Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea
| | - Masaharu Shiratani
- Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan
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32
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Ren X, Kanezashi M, Nagasawa H, Tsuru T. Plasma-assisted multi-layered coating towards improved gas permeation properties for organosilica membranes. RSC Adv 2015. [DOI: 10.1039/c5ra08052e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Plasma treatment enhanced separation performance of multi-layered membranes consisting of a hydrophobic top-layer and hydrophobic intermediate-layer.
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Affiliation(s)
- Xiuxiu Ren
- Department of Chemical Engineering
- Hiroshima University
- Higashi-Hiroshima
- Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering
- Hiroshima University
- Higashi-Hiroshima
- Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering
- Hiroshima University
- Higashi-Hiroshima
- Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering
- Hiroshima University
- Higashi-Hiroshima
- Japan
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