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Kinetics studies on free radical scavenging property of ceria in polysulfone–ceria radiation resistant mixed-matrix membrane

Autor: P.K. Tewari, Amita Bedar, Beena G. Singh, Ramesh C. Bindal, Soumitra Kar

Publikováno v: International Journal of Chemical Reactor Engineering. 19:779-785

Cerium oxide (ceria) contains two stable states of cerium ions (Ce3+ and Ce4+). The presence of these two states and the ability to swap from one state to another (Ce3+ ↔ Ce4+) by scavenging the highly reactive oxygen species (ROS) generated from r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb67d0b2343d03a6b4aae8811bcfdf18
https://doi.org/10.1515/ijcre-2020-0123

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Enhancement of γ-radiation stability of polysulfone membrane matrix by reinforcement of hybrid nanomaterials of nanodiamond and ceria

Autor: N.K. Goel, P.K. Tewari, Amita Bedar, R.K. Lenka, Ratnesh Jain, Ramesh C. Bindal, Beena G. Singh, Sanjay Kumar, Soumitra Kar

Publikováno v: Materials Advances. 1:1220-1231

For the first time, a hybrid nanoparticle system of nanodiamond (ND) and cerium oxide (ceria) is used as a reinforcement material in order to enhance the γ-radiation stability of polysulfone (Psf) host membrane matrix. Control Psf and Psf–(ND + Ce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47a15254529dd4d7395065ce61f02e50
https://doi.org/10.1039/d0ma00169d

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Nanodiamonds as a state-of-the-art material for enhancing the gamma radiation resistance properties of polymeric membranes

Autor: Nitesh Goswami, Dhanadeep Dutta, Ratnesh Jain, Soumitra Kar, Biju Keshavkumar, Virendra Kumar, Sharwari Ghodke, Vinod K. Aswal, Pradeep K. Tewari, Beena G. Singh, Amita Bedar, Sanjay Kumar, A.K. Singha, Anil K. Debnath, Ramesh C. Bindal, Debasis Sen

Publikováno v: Nanoscale Advances. 2:1214-1227

We report, for the first time, the development of gamma radiation resistant polysulfone (Psf)-nanodiamond (ND) composite membranes with varying concentrations of NDs, ranging up to 2 wt% of Psf. Radiation stability of the synthesized membranes was te

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f489a72c14830796a949d5f6c520f57
https://doi.org/10.1039/c9na00372j

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Polysulfone–Ceria Mixed-Matrix Membrane with Enhanced Radiation Resistance Behavior

Autor: Sharwari Ghodke, Ramesh C. Bindal, Sanjukta A. Kumar, Nitesh Goswami, Anil K. Debnath, Amita Bedar, Vikash Kumar, Debasis Sen, P.K. Tewari, Rakesh Kumar Lenka, Soumitra Kar

Publikováno v: ACS Applied Polymer Materials. 1:1854-1865

A novel polysulfone–cerium oxide (Psf–ceria) mixed-matrix membrane (MMM) with enhanced γ radiation resistant property was developed. Ceria nanoparticles were synthesized by gel-combustion route and...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::46b1a17492cc941dae4ff5e83616d11c
https://doi.org/10.1021/acsapm.9b00389

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Polysulfone-Gd2Zr2O7 mixed-matrix membranes with superior radiation resistant properties: Fabrication and application of a membrane device for radioactive effluent treatment

Autor: Aniruddha Kumar, B.C. Nailwal, Dheeraj Jain, Kumar A. Dubey, Avesh K. Tyagi, Avishek Pal, Bibhu N. Rath, Balaji P. Mandal, Ratnesh Jain, Ramesh C. Bindal, Naveen Kumar, A.K. Singha, Nitesh Goswami, Amita Bedar, Soumitra Kar, Anil K. Debnath

Publikováno v: Chemical Engineering Journal Advances, Vol 1, Iss, Pp 100006-(2020)

This is the first study undertaken towards development of mixed-matrix membranes (MMMs) with enhanced radiation resistant attributes by reinforcement of nanostructured Gd2Zr2O7 (GZO) within polysulfone (Psf) host-matrix. The study describes synthesis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e9e9afd762fdf3776e9b92edfa46b9c
http://www.sciencedirect.com/science/article/pii/S2666821120300065

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Kinetics Studies on Free Radical Scavenging Property of Ceria in Polysulfone-Ceria Radiation Resistant Mixed-matrix Membrane

Autor: Beena G. Singh, Soumitra Kar, Pradip K Tiwari, Ramesh C Bindal, Amita Bedar

Publikováno v: SSRN Electronic Journal.

Cerium oxide (ceria) contains two stable states of cerium ions (Ce3+ and Ce4+). The presence of these two states, and the ability to swap from one state to another (Ce3+ ↔ Ce4+) by scavenging the highly reactive oxygen species (ROS) generated from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e99a6b45113e094f708a492f6b6cde3
https://doi.org/10.2139/ssrn.3709689

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Effect of nanodiamond size on γ-radiation resistance property of polysulfone-nanodiamond mixed-matrix membranes

Autor: Anil K. Debnath, Ramesh C. Bindal, Amita Bedar, Naveen Kumar, P.K. Tewari, Virendra Kumar, Soumitra Kar, Ratnesh Jain

Publikováno v: Diamond and Related Materials. 108:107963

Nanodiamond (ND) particles of different size (10, 250, and 500 nm) were used as filler materials for preparation of polysulfone-nanodiamond (Psf-ND) mixed-matrix membranes (MMMs), with loading of each ND particle varying from 0.1 to 2 wt% of polymer.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a6ebae8fe0e964e12b6a02d1dfdcab4
https://doi.org/10.1016/j.diamond.2020.107963

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Enhancing γ-radiation resistant property of polysulfone membranes with carboxylated nanodiamond: Impact and effect of surface tunability

Autor: P.K. Tewari, Soumitra Kar, Amita Bedar, Ramesh C. Bindal

Publikováno v: Applied Surface Science. 507:144897

Polysulfone (Psf) is the most commonly used polymer for the ultrafiltration membrane applications. Though it is regarded as high-performance engineering thermoplastic, it has γ -radiation stability only up to 100 kGy. When exposed to γ -radiation,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e41419881f2525ab4546ef47501f50b
https://doi.org/10.1016/j.apsusc.2019.144897

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Aqueous dispersions of few-layer-thick chemically modified magnesium diboride nanosheets by ultrasonication assisted exfoliation

Autor: Saroj Kumar Das, Aadithya Kannan, Amita Bedar, Kabeer Jasuja

Publikováno v: Scientific Reports

The discovery of graphene has led to a rising interest in seeking quasi two-dimensional allotropes of several elements and inorganic compounds. Boron, carbon’s neighbour in the periodic table, presents a curious case in its ability to be structured

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::365b655fd90c4933b3b20086796942cb
https://doi.org/10.1038/srep10522

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