Faculty Profiles
Student Homepages
Sujay Chattopadhyay Associate Professor sujayfpt[at] 0132-271-4374[O]
Areas of Interest
  • Polymeric membranes, Cation exchange, Anion exchange and Bipolar Membranes synthesis and flow hydrodynamics
  • Drug delivery via Nano Vehicles, Anti-Glaucoma, anti-Cancer, steroid drugs loaded Nano-liposomes,understand drug-shell interactions
  • Micro-encapsulation Techniques, Phase inversion, sol-gel, solvent evaporation to form rigid/flexible shell protecting core substance
  • Stability and Degradation of Polymers, Stability in Normal and Accelerated conditions (UV, Ultrasound, catalyst, radical donor etc.)
  • Chromatography, Bipolar membrane synthesis and application, Natural Products extraction
Professional Background
2012On GoingAssociate ProfessorI.I.T.Roorkee
20112012Assistant ProfessorI.I.T. Roorkee
20032011Assistant PrfoessorDr.B.A.T.U., Lonere
19952003LecturerDr.B.A.T.U., Lonere
Honors and Awards
P.S.Narayana Award and MedalI.I.Sc. Bangalore2003
Best Teacher of UniversityDr. B.A.T.U., Lonere2006
Educational Details
B.Sc.(Honours)ChemistryCalcutta University1988
B.Tech.Chemical EngineeringCalcutta University 1992
M.Tech.Chemical EngineeringI.I.T. Kanpur1994
Ph.D.Chemical Engineering, Polymer Deg. and StabilityI.I.Sc. Bangalore2002
Research FellowDrug delivery via Nano-medicine Nanyang Technological University, Singapore2009-2010
Administrative Background
20152017Chief Warden, Malviya BhawanI.I.T.Roorkee, SRE Campus
July 2016On goingMemberDepartment Administrative Committee
20132014Chairman, Departmental Academic Program CommitteeI.I.T. Roorkee, SRE Campus
2013On goingIn charge of Polymer Characterization Lab. I.I.T.Roorkee, SRE Campus
20052011Faculty in Charge of Sophisticated Analytical LaboratoryDr.B.A.T.U., Lonere
Sponsored Research Projects
TopicFunding AgencyYear
Phase Chage MaterialsPLUSS POLYMER2014
Smart Bipolar Membrane for symultaneous Acid and alkali production and ZLD application UAY-2016 (MHRD-PERMIONICS)2016
  • IIChE, Life Member
  • ISTE, Life Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Polymerization Reaction EngineeringPEN-202B.Tech. (Polym. Sci. & Eng.)Spring
Chemical Reactor AnalysisCH-505M.Tech.(Chemical Eng.)Spring
Process Design of EquipmentsPEN-303B.Tech. (Polym. Sci. & Eng.)Autumn
Fluid MechanicsPP-201B.Tech.(PEM, PP, PST)Autumn
Mass TransferCHN-212B.Tech. (Polym. Sci. & Eng.)Spring
Mass TransferPP-311B.Tech.(PEM, PP, PST)Spring
Polym. Reaction Eng.PP-454Integ. M.Tech.Autumn
Mass Transfer-IICH-303B.Tech.(Chemical Eng.)Spring
Transport Phenomena in Polymeric SolutionPEN-325B.Tech. (Polymer Sci. & Engg.)Autumn
Heat TransferPP-214B.Tech.(PEM, PP, PST)Autumn
Projects and Thesis Supervised
Title of ProjectNames of Students
Understanding of electrodialytic transport through polar membranesMrs. Anusha Chandra Bhuvanesh E. Priyabrata Mondal
Phase Change MaterialsJagadeeshwara Reddy Vennapusa Jitendra Kumar Singh Prakhar Dixit
Understanding the Ion Transport facilitation during ElectrodialysisTadimeti Jogi Ganesh Dattatreya
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Year
Synthesis of Ion Exchnage MembranesMiss Priya GoelO2018
Inorganic Phase Change MaterialsMr. Prakhar DixitO2017
Understanding the Bipolar membrane and Ions Transport MechanismPriyobrata MondalO2017
Thermodynamics of Utectic Mixture Jitendra SinghO2017
Bipolar MembraneBhuvanesh E.O2016
Microencapsulation of Phase Change MaterialsJagadeeswarareddy VennapusaO2016
Physicochemical Aspects of Organic Acid Transport in ElectrodialysisMrs. Anusha ChandraAJul.2013
Ion Transport and its facilitation in ElectrodialysisTadimety Jogi Ganesh DattateriaAJul. 2011
Engineering Principles of Extraction of Pharmaceutical Ingredients from PlantsTaralkar Suyog V.A2005
Physicochemical Aspects of Ion Transport through Ion-exchange Membrane JNTU AnantapurG2018
Miraculous sustainability of Drug loaded liposome-Why? IIT RoorkeeI2016
Joint discussion on Polar MembranesCSMCRI, BhabnagarT2013
Liposomal formulation for Glaucoma drug -intelegent techniqueJamia Millia Islamia UniversityIJan. 2014
Integrated Approach towards management of Solid waste and Liquid Effluents from Paper IndustriesCPPRII2015
National International Collaboration
Nano-medicine Drug Delivery Nanyang Technological UniversityPHD
Fluid flow behavior between two flexible parallel membranes Edinberg UniversityRP
Refereed Journal Papers



  1. A. Chandra, Bhuvanesh E., S. Chattopadhyay, "Physicochemical interactions of organic acids influencing microstructure and permselectivity of anion exchange membrane", Colloids and Surfaces A: Physicochemical and Engineering Aspects (Accepted, October 2018) (IF 2.9)
  2. A. Chandra, Bhuvanesh E., P. Mondal, S. Chattopadhyay, "Surface modification of anion exchange membrane using layer-by-layer polyelectrolytes deposition facilitating monovalent organic acid transport" Colloids and Surfaces A: Physicochemical and Engineering Aspects 558 (2018) 579-590 (IF 2.9)
  3. A. Chandra, J.G.D. Tadimeti, Bhuvanesh E., Darshak P., S. Chattopadhyay,"Switching selectivity of carboxylic acids and associated physico-chemical changes with pH during electrodialysis of ternary mixtures", Sep. Pur. Tech. 193 (2018) 327-344 (IF 3.35)
  4. A. Chandra, J.G.D. Tadimeti, S. Chattopadhyay,"Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes", Chin. J. Chem. Eng. 26 (2018), 278-292 (IF 1.5)
  5. J. G. D. Tadimeti, and S. Chattopadhyay, “Uninterrupted swirling flow facilitating ion transport in Electrodialysis” Desalination 392 (2016) 54-62. (IF 5.6)
  6. J. G. D. Tadimeti, and S. Chattopadhyay, “Physico-chemical local equilibrium influencing cation transport in electrodialysis of multi ionic solutions”, Desalination 385 (2016) 93-105. (IF 5.6)
  7. J. G. D. Tadimeti, V. Kurian, A. Chandra and S. Chattopadhyay, “Corrugated membrane surfaces for effective ion transport in Electrodialysis”, J. Membr. Sci. 499 (2016) 418-428. (IF 6.2)
  8. Jogi Ganesh Dattatreya Tadimeti, Shilpi Jain, Sujay Chattopadhyay, and Prashant Kumar Bhattacharya, “Selection of the Best Process Stream to Remove Ca2+ Ion Using Electrodialysis from Sugar Solution” Int. J. of Electrochemistry, 2014, (I.F. 2.2)
  9. S.V. Taralkar, Sujay Chattopadhyay and V.G. Gaikar, “Parametric Optimization and Modeling of Batch Extraction Process for Extraction of Betulinic Acid from Leaves of Vitex Negundo Linn”, Sep. Sci. & Tech. 51(4), (2016) 641-652; (IF 3.35)
  10. S.V. Taralkar and Sujay Chattopadhyay, ‘A HPLC Method for Determination of Ursolic Acid and Betulinic Acids from their methanolic extracts of Vitex Negundo Linn’, J of Analytical and Bioanalytical Techniques 3(3), (2012) 1-6 (IF 2.5)
  11. J.V. Natarajan, M. Ang, A. Darwitan, S. Chattopadhyay, S. S. Venkatraman, T.T. Wong, ‘Nanomedicine for glaucoma: Liposomes provide sustained release of latanoprost in the eye’, International J. of Nanomedicine, 7(2012) 123-131 (IF 4.5)
  12. J. V. Natarajan, Sujay Chattopadhyay, Marcus Ang, Anastasia Darwitan,Selin Foo, Ma Zhen, Magdalene Koo, Tina T. Wong, Subbu S. Venkatraman, ‘Sustained Release of an Anti-Glaucoma Drug: Demonstration of Efficacy of a Liposomal Formulation in the Rabbit Eye’ PloS One V6(9), (2011). Doi:10.1371/journal.pone.0024513.t002 (IF 4.2)
  13. Leonardus K. Widjaja, Kong Jen Fong, Sujay Chattopadhay, Vitali T. Lipik, Sing S. Liow, Marc J.M. Abadie, Subbu S. Venkatraman, Triblock copolymers of e-caprolactone, L-lactide, and trimethylene carbonate: Biodegradability and elastomeric behaviour”, J Biomed Mater Res Part A 99A (2011) 38–46 (IF 2.2)
  14. Vitali T. Lipik, Kong Jen Fong, Sujay Chattopadhay, Leonardus K. Widjaja, Sing S. Liow, Subramanian S. Venkatraman and Marc J.M. Abadie, “Thermoplastic biodegradable elastomers based on e-caprolactone and L-lactide block co-polymers: A new synthetic approach”, Acta Biomaterialia 6 (2010) 4261–4270. (IF 6.2)
  15. Subbu S.Venkatraman, Lwin Lwin Ma, Jayaganesh V. Natarajan, Sujay Chattopadhyay, “Polymer and liposome-based nanoparticles in targeted drug delivery”, Frontiers of Biosciences. S2:810-812 (2010). (IF 3.35)
  16. Gujar J.G., Chattopadhyay S., Wagh S.J., Gaikar, V.G., “Experimental and Modeling studies on Extraction of Catechin hydrate and Epicatechin from Indian green tea leaves”, Canadian J. Chemical Engineering, 88, (2010) 232-240 (IF 1.2)
  17. Taralkar S.V., Chattopadhyay S., Gaikar, V.G.,"Modeling of batch extraction of Ursolic acid from leaves of vitex Nigunda Linn”International Journal of Contemporary Engineering, Science and Technology”. 
  18. Sujay Chattopadhyay and Girirdhar Madras, “Degradation of Poly(vinyl acetate)  catalyzed by Aluminium Chloride”, Polym. Deg. Stab., 73 (2001), 83-86. (IF 3.19)
  19. Chattopadhyay, S., Sivalingam, G. and Madras, G., “Lipase Specificity for the Hydrolysis of Poly (vinyl Acetate),” Polym. Deg. and Stab., 80, (2003) 477. (IF 3.19)
  20. Sivalingam, G., Chattopadhyay, S., and Madras, G., “Biodegradability of Polyl(e-caprolactone) and Poly(vinyl acetate),” Chem. Eng. Sci., 49(7), (2003) 1821. (IF 3.3)
  21. Sivalingam, G., Chattopadhyay, S., and Madras, G., “Solvent effects on lipase catalyzed bio-degradation of Poly (e-caprolactone),” Polym. Deg. and Stab., 79 (3) (2003) 413. (IF 3.19)
  22. Sujay Chattopadhyay and Giridhar Madras, “Effect of temperature in ultrasonic degradation of Poly(vinyl chloride and Poly(vinyl acetate)”, J. Appl. Poly. Sci., 88, (2003) 2818-2822(2003). (IF 1.9)
  23. Sujay Chattopadhyay and Giridhar Madras, “Influence of catalyst on thermal degradation of Poly(vinyl chloride)”, J. Appl. Polym. Sci., 84 (2002),791-796. (IF 1.9)
  24. Sujay Chattopadhyay and Giridhar Madras, “Thermal degradation kinetics of Poly (Vinyl Chloride –co-Vinyl acetate) copolymers,” Polym. Deg. and Stab. 78 (2002), 519-524 (IF 3.19)
  25. De, P.; Chattopadhyay, S.; Madras, Giridhar and Sathyanarayana, D.N. "Thermal degra-dation Kinetics of polyperoxides in solution," Polym. Deg. and Stab. 76 (2002) 161-170. (IF 3.19)
  26. De, P.; Chattopadhyay, S.; Madras, Giridhar and Sathyanarayana, D.N. "Degradation Kinetics of para-substituted polyperoxides," J. Appl. Poly. Sci.86 (2002) 957-961. (IF 1.9)
  27. De, P.; Chattopadhyay, S.; Madras, Giridhar and Sathyanarayana, D.N. “Kinetics of thermolysis of polyperoxides”, Polym. Deg. and Stab., 76, (2002) 511-514. (IF 3.19)
  28. Chattopadhyay, S. and Madras, Giridhar, “Enzymatic degradation of Poly(vinyl acetate),” J. Appl. Poly. Sci., 89, (2002) 2579-2582. (IF 1.9)
  29. Giridhar Madras and Sujay Chattopadhyay, "Effect of Solvents on the ultrasonic degradation of Poly(vinyl acetate) in solution", Polym. Deg. Stab., 71 (2001), 267-272 (IF 3.19)
  30. Giridhar Madras and Sujay Chattopadhyay, "Effect of Benzoyl Peroxide on the ultrasonic degradation of Poly (vinyl acetate)”, Polym. Deg. Stab., 73 (2001), 33-38. (IF 3.19)
  31. Giridhar Madras and Sujay Chattopadhyay, "Effect of Hydrogen donor on the thermal degradation of Poly(vinyl acetate) in solution", J. Appl. Polym. Sci., 81, (2001), 1996-2001. (IF 1.9)
  32. Giridhar Madras and Sujay Chattopadhyay, "Optimum Temperature for Oxidative Degradation of Poly (vinyl acetate) in solution”, Chem. Eng. Sci., 56 (2001), 56:5085-5089. (IF 3.3)
  33. Madras, Giridhar, Kumar, Sanjay and Chattopadhyay, S. "Continuous Distribution Kinetics for the Ultrasonic Degradation of polymers," Poly. Deg. Stab., 69 (2000), 73-78. (IF 3.19)