Research Activities
Electro-Membrane processes;electro-driven membrane separation technology; electrochemistry of membrane, development of novel polymer composite as charged membrane.
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List of Papers Presented in Symposiums/Conferences
1. Electrochemical characterization of immobilized lecithin liquid membranes, K. Singh, V. K. Shahi, accepted for poster Session in 8th International Symposium on Surfactant in Solution, Center of Surface Science and Engineering, University of Florida, U S A, June1990.
2. Non-equilibrium thermodynamic studies on cholesterol and lecithin liquid membranes, K. Singh, V. K. Shahi, paper presented in International Conference on Thermodynamics of Solutions and Biological Systems, New Delhi, January, 1993.
3. Studies on surface activity of cholesterol and lecithin, K. Singh, V. K. Shahi, paper presented in 29th Annual Convention of Chemists 1992, A. P. S. University, Rewa, Feb. 1993.
4. Surface activity and kinetics of immobilization of surfactant mixtures, K. Singh, V. K. Shahi, accepted for presentation in International Symposium on Micelles, Microemulsions and Monolayers; Quarter Century Progress and New Horizons, Center of Surface Science and Engineering University of Florida, U S A, August, 1995.
5. Kinetics and interfacial studies on cellulose nitrate / lecithin-DPC systems, K. Singh, V. K. Shahi, paper presented in 32nd Annual Convention of Chemists 1995, Rajasthan University, Jaipur, Dec. 1995.
6. Kinetics and interfacial studies on cellulose nitrate / SDS-DDA systems, K. Singh, V. K. Shahi, paper presented in National Seminar on Equilibrium and Non-equilibrium Processes, Chemistry Department, Gorakhpur University, Gorakhpur, June, 1996.
7. Electrochemical characterization of membranes, K. Singh, V. K. Shahi, paper presented in National Symposium on Solid State Chemistry and Advanced Materials, Chemistry Department, Gorakhpur University, Gorakhpur, Dec., 1996.
8. Kinetics and interfacial studies on cellulose nitrate / lecithin-DPC systems, K. Singh, V. K. Shahi, abstract published in IUPAC International Conference on Chemical and Biological Thermodynamics, G. N. D. University, Amritsar, Feb., 1997.
9. Electrochemical modification of membranes on surfactant adsorption, K. Singh, V. K. Shahi, abstract published in International Conference on Disperse Systems, Jadavpur University, Calcutta (Feb., 1998).
10. Chronopotentiometric investigation of dialytic properties of glycine across ion-exchange membranes, G. Ramachandraiah, V. K. Shahi, P. Ray, paper presented in National Symposium on Recent Trends in Membrane Transport, Institute of Technology, BHU, Varanasi, March, 1998.
11. Electrochemical and charged membrane Techniques for effluent treatment, V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in International Seminar on Advanced Technologies for Treated Effluent Recycle and Zero Effluent Discharge, Engineers India Limited, New Delhi, Nov. 4, 1998.
12. Studies on transport phenomena of sulfonated polyethelene-styrene-divinylbenzene interpolymer membrane, V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in National Seminar on Polymers for New Millenium, University of Madras, Chennai, March 25, 1999.
13. Treatment of effluent containing valuable/toxic metal ions and its recovery by means of electrodialysis, V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in New Millenium conference, Retrospect of Indian Research on Environment Pollution: Focus 21st Century, EMTRC & CPCB, New Delhi, Nov. 1999.
14. Chonopotentiometric characterization of ion-exchange membranes, V. K. Shahi, S. K. Thampy, R. Rangarajan, abstract published in EUROMEMBRNE 2000, Israel, Sept.25-27, 2000.
15. Drinking water by electrodialysis (In Hindi), V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in Akhil Bhartiya Vigyan Sammelan, Vigyan Bharti, Lucknow, Oct.2000.
16. Studies on chronopotentiometric and electrodialytic properties of amino acids, V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in National Symposium on Chemical Sciences: Advancing Frontiers, CDRI, Lucknow, June3 & 4, 2001.
17. Separation of H2SO4 from sulfonated terephthalic acid in methanol-water mixture by electrodialysis,V. K. Shahi, S. K. Thampy, G. S. Trivedi, R. Rangarajan, abstract accepted for presentation in ICOM-2002 held at Toulouse (France) September, 2002.
18. Studies on surfactant immobilized ion-exchange membranes, V. K. Shahi, S. K. Thampy, R. Rangarajan, paper presented in International Conference on Progress in Disperse Systems, held at University of Calcutta, Kolkata, January 16-18, 2002.
19. Membrane Technologies and Polymer Adsorbent for Producing water for Drinking and Reuse, V.K. Shahi, V. J. Shah, R. Rangarajan, P. S. Anand, P. K. Ghosh, paper presented in National Workshop on Mitigating Potable water demands-turnaround in treatment technologies, held at G. G. S. I. University, New Delhi, 17-18 January, 2003.
20. "Sol-gel" a novel method for the preparation of heterogeneous anion-exchange membranes, R. K. Nagarle, G. S. Gohil, Vinod K. Shahi*,G. S. Trivedi, R. Rangarajan, paper presented in National Seminar on Membrane Science & Technology: Challenges and Opportunities, to be held at RRL, Jorhat during Feb. 12-13, 2004.
21. Electrodialysis-ultrafiltration hybrid process for salt and water separation from iron-dextran solution, Vinod K. Shahi*,G. S. Trivedi, S. K. Thampy, R. Rangarajan, P. K. Ghosh, paper presented in National Seminar on Membrane Science & Technology: Challenges and Opportunities, to be held at RRL, Jorhat during Feb. 12-13, 2004.
22. Concentration of short chain aliphatic carboxylic acids solution by electrodialysis, Vinod K. Shahi*,R. K. Nagarle, G. S. Gohil, S. K. Thampy, R. Rangarajan, paper presented in National Seminar on Membrane Science & Technology: Challenges and Opportunities, to be held at RRL, Jorhat during Feb. 12-13, 2004.
23. Preparation, characterization and applications of polyaniline composite ion-excahnge membranes for electro-driven separations, Vinod K. Shahi*,R. K. Nagarle, G. S. Gohil, R. Rangarajan, paper presented in National Conference on Chemistry in the Development of Newer Materials (CDNM-2004) to be held at Chemistry Department, BHU, Varanasi during Feb. 23-24. 2004.
24. Development of Ion-exchange membranes at CSMCRI for Electrodialysis and related processes, R. K. Nagarale, G. S. Gohil, V. K. Shahi, S. K. Thampy, R. Rangarajan and P. K. Ghosh, paper presented in AIChE-IIChE-Indo-US Joint Conference 04, held at Mumbai during Dec. 2004.
25. Sol-Gel: A Novel Method for the preparation of Organic-Inorganic Hybrid Cation- Exchange Membrane in Aqueous Medium, R. K. Nagarale, G. S. Gohil, Vinod K. Shahi, R. Rangarajan, paper presented in international conference on advances in polymer blends, composites, ions and gels: macro to nano scale held at School of Chemical Sciences, Mahatma Gandhi University, Kerala, during March 2005.
26. Monovalent ion selective polypyrrole composite ion-exchange membranes: characterization by non-equilibrium thermodynamic approach, G. S. Gohil, V. V. Binsu, Vinod K. Shahi, paper presented in National Conference on Thermodynamic of Chemical & Biological Systems, Guru Nanak Dev University, Amritsar, Punjab during 28-30 December 2005.
27. Organic-inorganic composite proton-exchange membranes in aqueous media for fuel cell applications, Vinod K. Shahi, paper presented in the Nation Symposium on Modern trends in Chemical Sciences, held at Kurukshetra University during October 6-7, 2006.
28. Modified Biomaterial: N-Methylene Phosphonic and Quaternized Chitosan Composite Membranes for Electrolyte Separations, Arunima Saxena, Arvind Kumar, Vinod K. Shahi, paper presented in the Nation Symposium on Modern trends in Chemical Sciences, held at Kurukshetra University during October 6-7, 2006.
29. pH Controlled Transport of Proteins through Charged Membranes under Coupled Driving Forces, Arunima Saxena, Vinod K. Shahi, poster presented in 9th CRSI National Symposium in Chemistry, Chemistry Department, Delhi University, Delhi, 1-4th February, 2007.
30. Organic-inorganic composite polyelectrolyte membranes for direct methanol fuel cell applications, Bijay P. Tripathi, Vinod K. Shahi, paper presented in International Conference on Polymeric Materials in Power Engineering, during 4-6 October 2007, at CPRI, Banglore, India.
31. Separation and recovery of chromic acid and metal ions by electrochemical membrane reactor, Mahendra Kumar, Bijay P. Tripathi, Arunima Saxena, Vinod K. Shahi, paper presented in National Conference on Environment and Chemistry (NCEC-2008) during 29-30 November, 2008, at Science,& Commerce College, Kamrej Char Rasta-394185, Surat (Gujarat).
32. Removal and recovery of Cd(II) from wastewater using cross-linked chitosan/poly (vinyl alcohol) blend ion-exchange beads, Umesh S. Shelke, Mahendra Kumar, Vinod K. Shahi, paper presented in National Conference on Environment and Chemistry (NCEC-2008) during 29-30 November, 2008, at Science,& Commerce College, Kamrej Char Rasta-394185, Surat (Gujarat).
33. Hetrogeneous-homogeneous composite bipolar membrane for the conversion of sodium salt of homologous carboxylates into its corresponding acid and base by electrodialysis, Mahendra Kumar, Tina Chakrabarty, S. Prakash, Vinod K. Shahi, paper presented in National Seminor on Emerging Trends in Polymer Science and Technology, during Oct. 8-10, 2009 at Saurashtra University, Rajkot (Gujarat).
34. Organic-inorganic composite cross-linked zwitterionic polymer electrolyte membranes for fuel cell applications, Bijay P. Tripathi, Mahendra Kumar, Vinod K. Shahi, paper presented in National Seminor on Emerging Trends in Polymer Science and Technology, during Oct. 8-10, 2009 at Saurashtra University, Rajkot (Gujarat).
35. Cross-Linked Poly(vinyl alcohol)-Poly(acrylonitrile-co-2-dimethylamino ethylmethacrylate) Based Anion-Exchange Membranes for Electro-Membrane Applications, Shalini Singh, Mahendra Kumar, Vinod K. Shahi*, paper presented in 6th All Gujarat Research Scholars Meet, on January 31, 2010, at M. S. University, Vadodara (Gujarat).
36. High Conducting Sulfonated Poly(ether ether ketone)-Ionic Liquid Composite Membrane for Fuel Cell Applications, Abhishek N. Mondal, Mahendra Kumar, Vinod K. Shahi*, paper presented in 6th All Gujarat Research Scholars Meet, on January 31, 2010, at M. S. University, Vadodara (Gujarat).
37. B.P. Tripathi, S.P. Nunes, V.K. Shahi, Sol-gel based zwitterionic polymer electrolyte membranes for DMFCs applications, XXVI EMS Summer School on Membrane Technology for CO2 Separation, during September 29th to October 2nd, 2009, at GKSS Research Centre, Geesthacht GmbH, Germany.
1. P. Ray, V. K. Shahi, G. Ramachandraiah and R. Rangarajan, An eco-friendly process for the electrolytic synthesis of methyl sulfone from methyl sulfoxide using an ion exchange membrane cell, Indian Patent, 1506/DEL/99 dated 26/11/99.
2. R. Prakash, P. Ray, V. K. Shahi, G. Ramachandraiah and R. Rangarajan, An improved process for preparation of ammonia, Indian Patent, 042/DEL/2001.
3. V. K. Shahi, B. S. Makwana, D. K. Gohil, S. K. Thampy, C. R. K. Reddy, R. Rangarajan and P. K. Ghosh, A process for desalting of amino acid solution by means of electrodialysis with conducting spacers, Indian Patent Gazette No. 51, page 9768, Patent No. 194985 date 28/03/02.
4. V. K. Shahi, G. S. Trivedi, S. K. Thampy, R. Rangarajan and P. K. Ghosh, Electridialysis-ultrafiltration hybrid process for desalting and dewatering of iron dextran solution, PCT Patent submitted, No. 0181/NF/2002.
Research Papers Published/under Publication
1. S. Prakash, A. Michael Rajesh, Vinod K. Shahi*, (2010) Mechanistic and Kinetic Studies for Eosin Dye Degradation using Electrochemical Membrane Reactor, Environmental Sci. & Tech., Communicated.
Document type: Article
Language: English
Impact factor:
Times cited: 0
2. Bijay P. Tripathi, Vinod K. Shahi*, (2010) Organic-inorganic nanocomposite polymer electrolyte membranes for fuel cell applications: Recent progress, Progress in Polymer Sci., Communicated.
Document type: Article
Language: English
Impact factor: 16.82
Times cited: 0
3. Tina Chakrabarty, Mahendra Kumar, K.P. Rajesh, Vinod K. Shahi*, T. S. Natarajan, (2010) Nano-fibrous sulfonated poly(ether ether ketone) membrane for selective electro-transport of ions, Separation and Purification Technology, Communicated.
Document type: Article
Language: English
Impact factor: 2.50
Times cited: 0
4. Shalini Singh, Amaranadh Jasti, Mahendra Kumar, Vinod K. Shahi*, (2010) A green method for the preparation of highly stable organic-inorganic hybrid anion-exchange membranes in aqueous media for electrochemical processes, Polymer Chemistry, Accepted.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
5. Abhishek N. Mondal, Mahendra Kumar, Vinod K. Shahi*, (2010) Proton conducting sulfonated poly(ether ether ketone)-ionic liquid composite membrane for high temperature applications, Polymers for Advanced Technology, Communicated.
Document type: Article
Language: English
Impact factor: 2.02
Times cited: 0
6. S. Prakash, Abhishek N. Mondal, Vinod K. Shahi*, (2010) Electrochemical polymerized poly (N,N-dimethylaniline)/sulfonated poly(ether ether ketone) composite films for electrocatalytic oxidation of ascorbic acid, Journal of Applied Electrochemistry, Communicated.
Document type: Article
Language: English
Impact factor: 1.54
Times cited: 0
7. Tina Chakrabarty, Mahendra Kumar, Vinod K. Shahi*, (2010) In situ ion substitution of sodium gluconate: Comparison of bipolar membrane electrodialysis and electro-membrane reactor for producing gluconic acid, Journal of Applied Electrochemistry, Communicated.
Document type: Article
Language: English
Impact factor: 1.54
Times cited: 0
8. Bijay P. Tripathi, Tina Chakrabarty, Vinod K. Shahi*, (2010) 4,4′-bis(4-aminophenoxy)biphenyl-3,3′-disulfonic acid (BAPBDS) cross-linked sulfonated poly(ether sulfone) polymer electrolyte membranes for direct methanol fuel cell applications, J. Materials Chem., Communicated.
Document type: Article
Language: English
Impact factor: 4.65
Times cited: 0
9. S. Prakash, Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2010), Sol-Gel Derived Poly(Vinyl Alcohol)-3-(2-Aminoethylamino) Propyl Trimethoxysilane: Chemically Cross-linked organic-inorganic hybrid Beads for Pb(II) Adsorption, Chemical Engineering Journal, Accepted.
Document type: Article
Language: English
Impact factor: 2.813
Times cited: 0
10. Mahendra Kumar, Arunima Saxena, Vinod K. Shahi* (2010), An Electro-membrane process for in situ ion substitution and separation of ascorbic acid: Improved downstream process, J. Chemical Technology and Biotechnology, Communicated.
Document type: Article
Language: English
Impact factor: 2.91
Times cited: 0
11. Mahendra Kumar, Shalini Singh, Vinod K. Shahi* (2010), Cross-Linked Poly(Vinyl Alcohol)-Poly(acrylonitrile-co-2-Dimethylamino Ethylmethacrylate) Based Anion-Exchange Membranes in Aqueous Media, Journal of Physical Chemistry B, 114, 198–206.
Document type: Article
Language: English
Impact factor: 4.19
Times cited: 0
12. Bijay P. Tripathi, Mahendra Kumar, Vinod K. Shahi* (2010), Polyvinyl Alcohol (PVA)-Glycidyltrimethylammonium Chloride-3-(2-Aminoethylamino) Propyltrimethoxysilane Hybrid Alkaline Membrane for Direct Methanol Fuel Cell Applications, Journal of Membrane Science, Accepted.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 0
13. Mahendra Kumar, Vinod K. Shahi* (2010),Heterogeneous-homogeneous composite bipolar membrane for the conversion of salt of homologous carboxylates into their corresponding acids and bases, Journal of Membrane Science, 349, 130–137.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 0
14. Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2010), Electro-membrane process for the separation of amino acids by iso-electric focusing, J. Chemical Technology and Biotechnology, 85, 648-657.
Document type: Article
Language: English
Impact factor: 2.91
Times cited: 0
15. Arunima Saxena, Vinod K. Shahi* (2010),Iso-electric separation of proteins using charged ultrafilter membranes with different functionality under coupled driving forces, Industrial Engineering Chemistry Research, 49, 780–789.
Document type: Article
Language: English
Impact factor: 1.90
Times cited: 0
16. Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2009), Crosslinked chitosan/polyvinyl alcohol blend beads for removal and recovery of Cd(II) from wastewater, Journal of Hazardous Materials, 172, 1041–1048.
Document type: Article
Language: English
Impact factor: 2.98
Times cited: 0
17. Bijay P. Tripathi, Vinod K. Shahi* (2009),Organic-inorganic nanocomposite polymer electrolyte membranes for fuel cells: Recent developments, Chapter 2, Advances in Solid Hybrid Membranes and Materials (Ed. T. Xu), Research Signpost, 2009. In Press (Book Chapter).
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
18. Bijay P. Tripathi, Vinod K. Shahi* (2009), 3-(3-(Triethoxysilyl)propylamino)propane-1-sulfonic Acid-Poly(vinyl alcohol) Cross-Linked Zwitterionic Polymer Electrolyte Membranes for Direct Methanol Fuel Cell Applications, ACS Applied Materials & Interfaces 1, 1002-1005.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
19. Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2010), Electro-membrane reactor for separation and in situ ion substitution of glutamic acid from its sodium salt, Electrochimica Acta, 54, 4880–4887.
Document type: Article
Language: English
Impact factor: 3.08
Times cited: 2
20. Bijay P. Tripathi, Mahendra Kumar, Arunima Saxena, Vinod K. Shahi* (2010), Bifunctionalized organic-inorganic charged nanocomposite membrane for pervaporation dehydration of ethanol, Journal of Colloid and Interface Science, 346, 54-60.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 0
21. Bijay P. Tripathi, Vinod K. Shahi* (2008), Functionalized Organic-Inorganic Nanostructured N-p-Carboxy Benzyl Chitosan-Silica-PVA Hybrid Polyelectrolyte Complex as Proton Exchange Membrane for DMFC Applications, Journal of Physical Chemistry B, 112, 15678–15690.
Document type: Article
Language: English
Impact factor: 4.19
Times cited: 2
22. Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2009),Ionic transport phenomenon across sol-gel derived organic-inorganic composite mono-valent cation selective membranes, Journal of Membrane Science, 340, 52-61.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 0
23. Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2009), An Electro-membrane process for in situ ion substitution and separation of salicylic acid from its sodium salt,Industrial Engineering Chemistry Research, 48, 923-930.
Document type: Article
Language: English
Impact factor: 1.90
Times cited: 2
24. Arunima Saxena, Mahendra Kumar, Bijay P. Tripathi, Vinod K. Shahi* (2010), Organic-inorganic hybrid charged membranes for proteins separation: Isoelectric separation of proteins under coupled driving forces, Separation and Purification Technology, 70, 280–290.
Document type: Article
Language: English
Impact factor: 2.50
Times cited: 0
25. Arunima Saxena, Bijay P. Tripathi, Mahendra Kumar, Vinod K. Shahi* (2009),Membrane based techniques for the separation and purification of proteins: An Overview, Advances in Colloids and Interface Science,145, 1–22. (Review article)
Document type: Article
Language: English
Impact factor: 5.60
Times cited: 10
26. Bijay P. Tripathi, Mahendra Kumar, Vinod K. Shahi* (2009),Sulfonated poly(ether ether ketone) (SPEEK)-Zeolite-Zirconium hydrogen phosphate (ZrP) nanocomposite proton exchange membrane for DMFC applications, Journal of Membrane Science, 327, 145–154.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 1
27. Mahendra Kumar, Bijay P. Tripathi, Arunima Saxena, Vinod K. Shahi* (2009), Electrochemical membrane reactor: Synthesis of quaternary ammonium hydroxide from its halide by in situ ion substitution, Electrochimica Acta, 54, 1630-1637.
Document type: Article
Language: English
Impact factor: 3.08
Times cited: 1
28. Bijay P. Tripathi, Vinod K. Shahi* (2009),Surface redox polymerized SPEEK-MO2- PANI (M = Si, Zr and Ti) composite polyelectrolyte membranes impervious to methanol, Colloids and Surfaces: Physicochemical Engg. Aspects, 340, 10–19.
Document type: Article
Language: English
Impact factor:
Times cited: 1
29. Arunima Saxena, Vinod K. Shahi* (2007),Recent developments on proton-exchange membranes for fuel cell applications,Chapter 1, Applied physics in the 21st Century (Ed. Xin Chen), Research Signpost, 2007. (Book Chapter)
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
30. Bijay P. Tripathi, Arunima Saxena, Vinod K. Shahi* (2008), Phosphonic acid grafted bis(4-γ-aminopropyldiethoxysilylphenyl) sulfone (APDSPS)-poly(vinyl alcohol) cross-linked polyelectrolyte membrane impervious to methanol, Journal of Membrane Science, 318, 288–297.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 4
31. Arunima Saxena, Bijay P. Tripathi, Vinod K. Shahi* (2008), An improved process for separation of proteins using modified chitosan–silica cross-linked charged ultrafilter membranes under coupled driving forces: Isoelectric separation of proteins, Journal of Colloid & Interface Science, 319, 252–262.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 3
32. Bijay P. Tripathi, Vinod K. Shahi* (2007), Sulfonated poly(ether ether ketone)-zirconium hydrogen phosphate composite proton-exchange membranes prepared by electro-migration and in situ precipitation, Journal of Colloid & Interface Science, 316, 612-621.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 9
33. Arunima Saxena, Vinod K. Shahi* (2007), pH Controlled selective transport of proteins through charged ultrafilter membranes under coupled driving forces: An efficient process for protein separation, Journal of Membrane Science, 299, 211-221.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 7
34. Jeeshan Khan, Bijay P. Tripathi, Arunima Saxena, Vinod K. Shahi* (2007), Electrochemical membrane reactor: In situ separation and recovery of chromic acid and metal ions, Electrochimica Acta, 52, 6719-6727.
Document type: Article
Language: English
Impact factor: 3.08
Times cited: 6
35. Arunima Saxena, Bijay P. Tripathi, Vinod K. Shahi* (2007), Sulfonated poly (styrene-co-maleic anhydride)-poly (ethylene glycol)-silica nanocomposite polyelectrolyte membranes for fuel cell applications, Journal of Physical Chemistry B,111, 12454-12461.
Document type: Article
Language: English
Impact factor: 4.19
Times cited: 13
36. Arunima Saxena, Arvind Kumar, Vinod K. Shahi* (2006),Preparation and characterization of N-methylene phosphonic and quaternized chitosan composite membranes for electrolyte separations, Journal of Colloid & Interface Science, 303, 484-493.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 5
37. Arunima Saxena, V. K. Shahi and Arvind Kumar*, Thermodynamic study of functionally modified chitosan and their blends in aqueous media at 298.15 K, Journal of Molecular Liquid, 135, 21-26.
Document type: Article
Language: English
Impact factor: 1.12
Times cited: 2
38. Arunima Saxena, G. S. Gohil, Vinod K. Shahi* (2007),Electrochemical Membrane Reactor: Single Step Separation and Ion Substitution for the Recovery of Lactic Acid from Lactates Salt, Industrial Engineering Chemistry Research, 46, 1270-1276.
Document type: Article
Language: English
Impact factor: 1.90
Times cited: 11
39. Vinod K. Shahi* (2007),Studies on proton transport phenomena in sulfonated poly (ether sulfone)-silica polyelectrolyte composite membranes for fuel cells,Solid State Ionics, 177, 3395-3404.
Document type: Article
Language: English
Impact factor: 2.56
Times cited: 33
40. G. S. Gohil, R. K. Nagarale, V. V. Binsu, Vinod K. Shahi* (2006), Preparation and characterization of mono-valent cation selective sulfonated poly (ether ether ketone) and poly (ether sulfone) composite membranes, Journal of Colloid & Interface Science, 298, 845-853.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 15
41. G. S. Gohil, V. V. Binsu, Vinod K. Shahi*, (2006), Preparation and characterization of monovalent ion selective polypyrrole composite ion-exchange membranes, Journal of Membrane Science, 280, 210-218.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 8
42. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi* (2006),Recent developments on charged membranes and electro-membrane processes, Advances in Colloids and Interface Science, 119, 97-130. (Review article)
Document type: Article
Language: English
Impact factor: 5.60
Times cited: 53
43. V.V. Binsu, R. K. Nagarale and Vinod K. Shahi* (2005), Phosphonic Acid Functionalzed Aminopropyl Triethoxysilane-PVA Composite Material: Organic-Inorganic Hybrid Proton-Exchange Membranes in Aqueous Media, Journal of Material Chemistry,15, 4823 - 4831.
Document type: Article
Language: English
Impact factor: 4.65
Times cited: 32
44. V. V. Binsu, R. K. Nagarale, Vinod K. Shahi*, P. K. Ghosh (2006), Preparation and characterization of N-methylene phosphonic chitosan/poly(vinyl alcohol) composite proton-exchange membrane, , Reactive and Functional Polymer, 66, 1619-1629.
Document type: Article
Language: English
Impact factor: 2.19
Times cited: 12
45. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*, R. Rangarajan (2006), Sulfonated poly (ether ether ketone)/polyaniline composite proton exchange membrane for fuel cells, Journal of Membrane Science, 280, 389-396.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 36
46. G. S. Gohil, R. K. Nagarale, Vinod K. Shahi*, R. Rangarajan (2005), Micellar-Enhanced Electrodialysis: Influence of Surfactants on the Transport Properties of Ion-Exchange Membranes, Separation and Purification Technology, 47, 1-9.
Document type: Article
Language: English
Impact factor: 2.50
Times cited: 3
47. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*, R. Rangarajan (2005), Preparation of organic-inorganic composite anion-exchange membranes via aqueous dispersion polymerization and their characterization, Journal of Colloid & Interface Science, 287, 198-206.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 18
48. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*,R. Rangarajan (2004), Organic-inorganic hybrid membranes: Thermally stable cation-exchange membrane by sol-gel method, Macromolecules, 37, 10023-10030.
Document type: Article
Language: English
Impact factor: 4.41
Times cited: 57
49. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*,G. S. Trivedi, R. Rangarajan (2004), Preparation and electrochemical characterizations of cation-exchange membranes with different functional groups, Colloids and Surfaces: Physicochemical Engg. Aspects, 251, 133-140.
Document type: Article
Language: English
Impact factor: 2.09
Times cited: 15
50. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*,R. Rangarajan (2005), Preparation and electrochemical characterization of sulfonated polysulfone cation-exchange membranes: effect of solvents on degree of sulfonation, Journal of Applied Polymer Science, 96, 2344-2351.
Document type: Article
Language: English
Impact factor:
Times cited: 5
51. B. G. Shah, Vinod K. Shahi*, S. K. Thampy, R. Rangarajan, P. K. Ghosh (2005), Comparative studies on performance of interpolymer and heterogeneous ion-exchange membranes for water desalination by electrodialysis, Desalination, 172(3), 257-265.
Document type: Article
Language: English
Impact factor:
Times cited: 3
52. R. K. Nagarale, Vinod K. Shahi*, R. Rangarajan (2005), Preparation of polyvinyl alcohol-silica hybrid heterogeneous anion-exchange membranes by sol-gel method and their characterization, Journal of Membrane Science, 248, 37.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 23
53. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*,G. S. Trivedi, R. Rangarajan (2004), Preparation and electrochemical characterization of cation- and anion- exchange/polyaniline composite membranes, Journal of Colloid & Interface Science, 277, 162-171.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 28
54. G. S. Gohil, Vinod K. Shahi*, R. Rangarajan (2004), Comparative studies on electrochemical characterization of homogeneous and heterogeneous type of ion-exchange membranes, Journal of Membrane Science, 240, 211-219.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 21
55. R. K. Nagarale, Vinod K. Shahi*, S. K. Thampy, R. Rangarajan (2004), Studies on electrochemical characterization of polycarbonate and polysulfone based heterogeneous cation-exchange membranes, Reactive & Functional Polymers, 61, 131-138.
Document type: Article
Language: English
Impact factor: 2.19
Times cited: 7
56. R. K. Nagarale, Vinod K. Shahi*, R. Rangarajan, R. Schubert, R. Mehnert (2004), Development of urethane acrylate composite membranes and their electrochemical characterization, Journal of Colloid & Interface Science, 270, 446-454.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 14
57. R. K. Nagarale, G. S. Gohil, Vinod K. Shahi*, G. S. Trivedi, S. K. Thampy, R. Rangarajan (2004), Studies on transport properties of short chain aliphatic carboxylic acids in electrodialytic separation, Desalination, 171, 195-204.
Document type: Article
Language: English
Impact factor: 1.39
Times cited: 1
58. Vinod K. Shahi*, G. S. Trivedi, S. K. Thampy, R. Rangarajan (2003), Studies on electrochemical and permeation characteristics of charged asymmetric porous membranes, Journal of Colloid & Interface Science, 262, 566-573.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 19
59. Vinod K. Shahi*, B. S. Makwana, S. K. Thampy, R. Rangarajan (2002), A novel electrodialyzer for the production of demineralized water by electrodialysis, Desalination, 151, 33-42.
Document type: Article
Language: English
Impact factor: 1.39
Times cited: 0
60. Vinod K. Shahi*, S. K. Thampy, A. K. Siddhanta, R. Rangarajan (2002), Separation of sodium sulfate and p-toluene sulphonic acid by electrodialysis, Separation Science & Technology, 37(14), 3273.
Document type: Article
Language: English
Impact factor: 1.15
Times cited: 5
61. Vinod K. Shahi*, S. K. Thampy, R. Rangarajan (2002), Chronopotentiometric studies on dialytic properties of glycine across ion-exchange membranes, Journal of Membrane Science, 203, 43.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 8
62. Vinod K. Shahi, S. K. Thampy and R. Rangarajan (2001), Recovery of valuable/toxic metal ions by electrodialysis with conducting spacers, Proc. National Conf. On Desalination & Water Reuse 2001, BHEL, Ranipet 2001.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
63. Vinod K. Shahi*, S. K. Thampy, R. Rangarajan (2001), The effect of conducting spacers on transport properties of ion-exchange membranes,Desalination, 133, 245-258.
Document type: Article
Language: English
Impact factor: 1.39
Times cited: 14
64. Vinod K. Shahi*, A. P. Murugesh, B. S. Makwana, S. K. Thampy, R. Rangarajan (2000) Comparative investigations on electrical conductance of ion-exchange membranes, Indian Journal of Chemistry, 39A, 1264.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 14
65. Preparation and electrochemical characterization of sulfonated interpolymer of polyethylene and styrene-divinylbenzene copolymer membranes, Vinod K. Shahi*, S. K. Thampy, R. Rangarajan (2000), Reactive & Functional Polymer, 46, 39.
Document type: Article
Language: English
Impact factor: 2.19
Times cited: 21
66. Vinod K. Shahi*, S. K. Thampy, R. Rangarajan (1999), The effect of conducting spacers on desalting by electrodialysis, Proc. Tromb. Symp. On Desalination & Water Reuse – 99, BARC, Mumbai, Dec. 1999.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
67. V. K. Shahi, R. Prakash, G. Ramachandraiah, R. Rangarajan, D. Vasudevan (1999), Solution-membrane equilibrium at metal deposited cation exchange membranes: chronopotentiometric characterization of the metal modified membrane, Journal of Colloid & Interface Science, 216, 179.
Document type: Article
Language: English
Impact factor: 2.443
Times cited: 17
68. P. Ray, V. K. Shahi, T.V. Pathak, G. Ramachandraiah (1999), Transport phenomenon as a function of counter and coions in solution: chronopotentiometric behavior of anion exchange membrane in different aqueous electrolyte solutions, Journal of Membrane Science, 160, 243.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 15
69. V. K. Shahi*, S. K. Thampy, R. Rangarajan (1999), Studies on transport properties of surfactant immobilized anion exchange membrane, Journal of Membrane Science, 158, 77.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 31
70. V. K. Shahi, P. Ray, N. J. Dave, G. Ramachandraiah, R. Rangarajan (1999), Preparation and chronopotentiometric studies on platinum deposited anionic membranes, Indian Journal of Chemistry, 38A, 486. l
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 9
71. V. K. Shahi*, B. S. Makawana, S. K. Thampy, R. Rangarajan (1999), Electrochemical characterization of cation exchange membrane with immobilized anionic and cationic surfactants, Indian Journal of Chemistry, 38A, 124.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 0
72. V. K. Shahi, P. Ray, G. Ramachandraiah, D. Vasudevan (1998), Voltammetric characterization of solid polymer electrolyte materials and its application to electro-organic synthesis, Proceeding of National Symposium on Electrochemisytry in Aerospace Systems, SEAS-98, held at ISRO Satellite Center Bangalore during 4 –5 Dec.98.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
73. K. Singh, V. K. Shahi (1998), Electrochemical studies on Nafion membrane, Journal of Membrane Science, 140, 51.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 16
74. K. Singh, V. K. Shahi (1997), Intermolecular and surface excess studies on mixed surfactant system, Journal of Surface Science & Technology, 13, 159.
Document type: Article
Language: English
Impact factor: NA
Times cited: 0
75. K. Singh, V. K. Shahi (1998), Kinetics and interfacial studies on cellulose nitrate / lecithin-DPC system, Journal of Indian Chemical Society, 75, 69.
Document type: Article
Language: English
Impact factor: 0.33
Times cited: 1
76. K. Singh, V. K. Shahi (1997), Electrochemical characterization of cellulose nitrate microfilter-surfactant composite system, Indian Journal of Chemistry, 36A, 144.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 0
77. K. Singh, V. K. Shahi (1995), Impedance spectral studies of cholesterol lecithin mixture, Indian Journal of Chemistry, 34A, 268.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 2
78. K. Singh, V. K. Shahi (1994), Studies on surface activity of cholesterol lecithin mixed system, Indian Journal of Chemistry, 33A, 655.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 0
79. K. Singh, V. K. Shahi (1991), electrochemical characterization of Dowex-50 supported lecithin liquid membrane, Indian Journal of Chemistry, 30A, 414.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 3
80. K. Singh, V. K. Shahi (1991), Studies on permeation characteristics of cellulose acetate and Dowex-50 supported membrane, Journal of Membrane Science, 59, 27.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 7
81. K. Singh and V. K. Shahi (1990), Electrochemical characterization of impregnated lecithin membrane, Indian Journal of Chemistry, 29A, 1065.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 0
82. K. Singh, V. K. Shahi (1990), Studies on electrochemical characterization of ion selective cellulose acetate membrane with and without lecithin liquid membrane, Journal of Membrane Science, 20, 223.
Document type: Article
Language: English
Impact factor: 3.247
Times cited: 0
83. K. Singh, V. K. Shahi (1989),Electrochemical characterization of cellulose acetate supported lecithin liquid membrane, Indian Journal of Chemistry, 28A, 1084.
Document type: Article
Language: English
Impact factor: 0.69
Times cited: 0
- Physical chemistry of transport through membranes, Electrodialysis and electrodeionization, development of membrane proton-exchange membrane for fuel cell application, separation & purification of peptides and biochemicals under coupled driving forces, ion-exchange membranes.
- Electro-Membrane processes;electro-driven membrane separation technology; electrochemistry of membrane, development of novel polymer composite as charged membrane.
- Others
