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Sutapa Roy Ramanan

goa Chemical Engineering

Senior professor

Materials Engineering, Micro/Nano Motors, Nanobiotechnology, Nanomaterials
Room A 301/8, Department of Chemical Engineering
sutapa@goa.bits-pilani.ac.in
0832-2580325

Publications and Conference Presentations

  1. "Properties of Ni2+ -doped silica and silicate gel monoliths”, Sutapa Roy and Dibyendu Ganguli, J. Non-Cryst. Solids 151 (1992) 203-208
  2. “Wavelength-selective transmission in transition metal containing silica gel monoliths” , Sutapa Roy and D.Ganguli, Mater. Lett. 16 (1993) 352-356
  3. “Spectroscopic properties of low Fe 3+ -doped silica gels”,    Sutapa Roy and D.Ganguli, J.Non-Cryst. Solids 195 (1996) 38-44.
  4. “Optical inhomogeneities in nickel ion containing silica gels”, Sutapa Roy, D.Kundu and D.Ganguli, J.Non-Cryst Solids, 194 (1996) 210-212.
  5. “Spectroscopic studies of Cr-doped silica gels”, Sutapa Roy Ramanan and D.Ganguli, J. Non-Cryst. Solids 212 (2-3) (1997) 299-302.
  6. “Development of ITO coatings on glass by sol-gel processing”, D.Ganguli, S.Roy Ramanan and P.K.Biswas, XVIII Int. Cong. On Glass ed. M.K.Choudhary, N.T.Huff and C.H.Drummond III,p11-20, 1998.
  7. “Sol-gel derived ITO coatings on glass”, Sutapa Roy Ramanan and N.M.Mohamed, J.Solid .St.Sci and Technol. Lett.,       7,(1&2)(2000)165-170.
  8. “Studies of ZnO as transparent conducting thin film materials via sol-gel dip coating method” , K.Y.Cheong, N.M.Mohamed and Sutapa Roy Ramanan, J.Solid. St. Sci.Technol.7 (2000)142-145.
  9. “XRD & electrical studied on AZO thin films deposited via sol-gel technique”. Cheong, KY.,Norani, MM., and Sutapa RR.Nuclear Science Journal of Malaysia. Vol.18, No.2. pp92-98, 2000.
  10. “Comparative Studies of Types of Dopant (Al or In) in ZnO Sol-gel Thin Film From Zinc Acetate Source”. Cheong, KY., Norani, MM., and Sutapa RR In J. Solid State Science And Technology Letters, Vol. 7, No. 2 ,2000.
  11. “Spectroscopic studies of Mn doped gels”, Sutapa Roy Ramanan, Malaysian J. of Analytical Sciences, 6(1)(2001)83-88.
  12. “Effect of organic additives on the properties of sol-gel spun alumina fibres”, Ramanan Venkatesh and Sutapa Roy Ramanan, J. European Cer. Soc. 20,(2000)2543-49.
  13. “Dip coated ITO thin-films through sol-gel process using metal salts”, Sutapa Roy Ramanan, Thin Solid Films, 389, (2001) 207-212.
  14. The use of additives to optimise the properties of sol-gel spun alumina fibres”, Ramanan Venkatesh, Sutapa Roy Ramanan, L.C.Teck, Z.A.Ahmad, A.F.M.Noor, Mat. Tech & Adv. Perf. Mat. 16 (2001)103-109.
  15. “Study of preparation and characterization of hydroxyapatite coatings by sol-gel technique”,          Sutapa Roy Ramanan and Ramanan Venkatesh, , Asean Journal of Science and Technol., 19 (1), 2002, 55-62.
  16. “Morphology and Electrical Studies of ZnO:Ga Thin Films Fabricated via Sol-gel Technique”, Cheong, KY., Norani, MM., and Sutapa RR.Thin Solid Film,  vol 410, pp. 143-147, 2002.
  17. “Investigation of ZnO:Al thin films fabricated via sol-gel dip coating technique”, K.Y.Cheong, N.Muti and R.Ramanan, J. Physical Sciences, Vol 13, p53- 60, 2002.
  18. "Physical Investigation on ZnO:Al thin films derived from non-alkoxide zinc acetate via sol-gel dip coating technique", K.Y.Cheong, M.Norani Muti and R.R.Sutapa, J. Mat. Sci. Tech . No.1, Vol 11, 2003.
  19. ‘Influence of processing variables on the microstructure of sol-gel spun alumina fibers’, R. Venkatesh and S.R. Ramanan, Materials Letters, 55, 2002, 189-195.
  20. “Sol-gel derived MgO, Al2O3 and Y2O3 doped hydroxyapatite coatings”, Sim Lim Chong, Sutapa Roy Ramanan and Ramanan Venkatesh, J.Instt. Mater. Malaysia,   4(1) 2004.
  21. “Sol gel processing of lead lanthanum zirconate titanate fibers” ,Sim Lim Chong, Ramanan Venkatesh, Sutapa Roy Ramanan, J.Instt. Mater. Malaysia, 4(1), 107-115 2003.
  22. “Preparation of Barium titanate (BaTiO3) powder using sol-gel emulsion technique”, Kartika Suriyati, Sim Lim Chong, Ramanan Venkatesh and Sutapa Roy Ramanan,   J.Instt. Mater. Malaysia, 4(2) 2004.
  23. “A study of hydroxyapatite fibers prepared via sol-gel route”, Sutapa Roy Ramanan and Ramanan Venkatesh, Material letters, 58 (2004) 3320.
  24. “Sol-gel processing of lead lanthanum zirconate titanate fibers”, Sim Lim Chong, Ramanan Venkatesh and Sutapa Roy Ramanan, Integrated  Ferroelectrics, 70:19-28, 2005.
  25. “Thermal characterization of Al2O3 and ZnO reinforced silicone rubber as thermal pads for heat dissipation purposes”, L.C.Sim, S.R.Ramanan, H.Ismail,        K.N.Seetharamu and T.J.Goh, Thermochimia Acta,  430 (1-2) 155-165 (2005).
  26. “Cure characteristics, mechanical and thermal properties of Al2O3 and ZnO reinforced silicone rubber" L.C.Sim, S.R.Ramanan, H.Ismail, K.N.Seetharamu. Journal of Polymer Plastics Technology and Engineering, 45, 301-307,2006
  27. “Synthesis of hydroxyapatite nanopowders by sol-gel emulsion technique Saranya K, BE; Meenal Kowshik, Ph.D, ”, Sutapa R Ramanan, Ph.D; Bull of material Science, 34(7) 2011, 1749-53.
  28. “Low temperature synthesis of hydroxyapatite nano-rods by a modified sol-gel technique” Sushma Jadalannagaria, Sandeep Morea, Meenal Kowshik*, Sutapa Roy Ramanan, Material Science and Engineering C, 31, 2011, 1534-1538.
  29. “Electrical and structural characterization of PTCR pure barium titanate nanopowders synthesized by sol-gel emulsion technique, Zubeda Aga and Sutapa Roy Ramanan, J. of Electroceramics, 28(2) 2012 109-117.
  30. “Antimicrobial activity of hemocompatible silver doped hydroxyapatite nanoparticles synthesized by modified sol-gel technique”, Sushma Jadalannagari, Ketaki Deshmukh, Sutapa Roy Ramanan, Meenal Kowshik, Applied Nanoscience February,DOI 10.1007/s13204-013-0197-x, 2013.
  31. “ Synthesis of silver nanoparticles using haloarchaeal isolate  Halococcus  salifodinae

          BK”  Pallavee Srivastava, Judith Braganca, Sutapa Roy Ramanan, Meenal   Kowshik (2013)  Extremophiles (doi: 10.1007/s00792-013-0563-3)

  1. “Lanthanum-Doped Hydroxyapatite Nanoparticles as Biocompatible Fluorescent Probes for Cellular Internalization and Biolabeling” Sushma Jadalannagari, Ketaki Deshmukh, Sutapa Roy Ramanan, Meenal Kowshik, Anita K.Verma, R.Vora, Science of Advanced Materials 01/2014; 6:312-319.
  2. “Green Synthesis of Silver Nanoparticles by Haloarchaeon Halococcus salifodinae BK6”, Pallavee Srivastava, Judith Braganca, Sutapa Roy Ramanan and Meenal Kowshik, Advanced Materials Research Vol. 938 (2014) pp 236-241.
  3. “Effect of doping on the structural parameters of pure and doped barium titanate nano powders synthesized by sol-gel emulsion technique”, Zubeda Bi H. Aga and Sutapa Roy Ramanan, Int. J. Nanoparticles, Vol. 7, Nos. 3/4, 2014 pp331-340.
  4. S.Bhagavathula, S.R.Ramanan, S.K.Lim and Jegatha Nambi Krishnan, Fabrication of electroless plated nano-porous gold film for heavy metal ion detection in sensor applications, Advanced materials, Vol 1, p 51, TechConnect Briefs, 2015.
  5. A.S.Sai Pavan and Sutapa Roy Ramanan, A study on corrosion resistant graphene films on low alloy steel, Appl Nanosci., 19th April 2016, DOI 10.1007/s13204-016-0530-2.
  6. Manasi Joshi, Swastic, J.K.vemula, K.Priyadarshi, A.Deshpande, S.R.Ramanan and Jegatha Nambi Krishnan, Nanocharacterization studies on surface modified nanoporous gold films for sensor applications, Advanced Materials, Vol 1, p 5, TechConnect Briefs 2016.
  7. Low-temperature-processed biocompatible Ag-HAp nanoparticles with anti-biofilm efficacy for tissue engineering applications, Ketaki R. Deshmukh,  Sutapa Roy Ramanan, Meenal Kowshik, J Sol-Gel Sci Technol, DOI 10.1007/s10971-016-4149-2, 3/2016.
  8. Self-activated fluorescent hydroxyapatite nanoparticles:a promising agent for bio-imaging and bio-labeling, Ketaki Deshmukh, M Monsoor Shaik, Sutapa Roy Ramanan, and Meenal Kowshik, ACS Biomaterials Science and Engineering, DOI: 10.1021/acsbiomaterials.6b00169, 2016, 2 (8), pp 1257–1264.
  9. Novel one step transformation method for Escherichia coli and Staphylococcus aureus using arginine-glucose functionalized hydroxyapatite nanoparticles, Ketaki Deshmukh, Sutapa Roy Ramanan, Meenal Kowshik, Materials Science & Engineering C 96 (2019) 58–65.
  10. Role of surface charges on interaction of rod-shaped magnetic hydroxyapatite nanoparticles with protein, Kavita Kadu, Goutam Ghosh, Lata Panicker, Meenal Kowshik, Sutapa Roy Ramanan, Colloids and Surfaces B: Biointerfaces, Colloids and Surfaces B: Biointerfaces 177 (2019) 362–369.
  11. A novel method for genetic transformation of C. albicans using modified-hydroxyapatite

        nanoparticles as a plasmid DNA vehicle, Ketaki Deshmukh, Sutapa Roy Ramanan  and Meenal Kowshik, Nanoscale advances, RSC, DOI: 10.1039/c8na00365c, (8), 3015-22, 2019

  1. “ Effect of doping and surface functionalization on the conformational changes of protein

         upon interaction with hydroxyapatite nanoparticles”, K. Kadu, M. Kowshik & S.R. Ramanan, Biotechnology and Biological Sciences – Sen et al. (Eds) © 2020 Taylor & Francis Group, London, ISBN 978-0-367-43161-7, p3.

  1. “Rare Earth Doped Hydroxyapatite Nanoparticles for In Vitro Bioimaging Applications”, Pranjita Zantye, Fiona Fernandes, Sutapa Roy Ramanan and Meenal Kowshik, Current Physical Chemistry, 2019, 9, 94-109.
  2. “Solid-Supported Amplification of Aggregation Emission: A Tetraphenylethylene−Cucurbit[6]uril@Hydroxyapatite-Based Supramolecular Sensing Assembly for the Detection of Spermine and Spermidine in Human Urine and Blood”, Viraj G. Naik, Vikash Kumar, Achikanath C. Bhasikuttan,  Kavita Kadu,  Sutapa Roy Ramanan,

        Akhil A. Bhosle, Mainak Banerjee and Amrita Chatterjee, ACS Applied Biomaterials, https://dx.doi.org/10.1021/acsabm.0c01527

  1. “Does the nanoparticle morphology influence interaction with protein:A case study with hydroxyapatite nanoparticle”, Kavita Kadu, Meenal Kowshik and Sutapa Roy Ramanan, materials Today Communications, 26 (2021) 102172.
  2. “Design of a Biocompatible Hydroxyapatite-Based Nanovehicle for Efficient Delivery of Small Interference Ribonucleic Acid into Mouse Embryonic Stem Cells”, Pranjita Zantye, Soniya Shende, Sutapa Roy Ramanan, Indrani Talukdar, and Meenal Kowshik, Molecular Pharmaceitics, https://dx.doi.org/10.1021/acs.molpharmaceut.0c00684.
  3. “ESIPT-active hydroxybenzothiazole-picolinium@CB[7]-HAp NPs based supramolecular sensing assembly for spermine, spermidine and cadaverine:Application in monitoring cancer biomarkers and food spoilage”, Akhil A. Bhosle, Mainak Banerjee,, Nilotpal Barooah, Achikanath C. Bhasikuttan, ,Kavita Kadu , Sutapa Roy Ramanan , Amrita Chatterjee, Journal of Photochemistry & Photobiology, A: Chemistry 426 (2022) 113770
  4. “Morphological Evolution of Hydroxyapatite Nanoparticles, Synthesized via Modified Sol-Gel and Microemulsion Technique, in Response to Their Synthesis Microenvironment”, Kavita Kadu, Rishi Tripathi, Meenal Kowshik, and Sutapa Roy Ramanan, Cryst. Res. Technol., DOI: 10.1002/crat.202200012.
  5. “Self-fluorescence property of octa-arginine functionalized hydroxyapatite nanoparticles aids in studying their intracellular fate in R1 ESCs”, Pranjita Zantye, Indrani Talukdar, Sutapa Roy Ramanan , Meenal Kowshik, Biochemical and Biophysical Research Communications 627 (2022) 21-29.
  6. Novel hydroxyapatite nanoparticle‑based antibiotic alternative to combat methicillin‑resistant S. aureus:A mechanism by targeting the structural and functional stability of MRSA membrane protein”, Kavita Kadu, Vijay Hemmadi, Malabika Biswas, Meenal Kowshik, Sutapa Roy Ramanan, J. of Mater. Res., DOI:10.1557/s43578-023-00912-2, Jan 2023.
  7. Tailoring of hydroxyapatite nanoparticle surfaces of varying morphologies to facilitate counterion diffusion and subsequent protein denaturation” Kavita Kadua, Meenal Kowshik , Sutapa Roy Ramanan, Biophysical Chemistry, 296, 2023,106979.
  8. “A study on the effect of the collector properties on the fabrication of magnetic polystyrene nanocomposite fibers using the electrospinning technique”, Aakanksha Mohan, Richa Singhal, Sutapa Roy Ramanan, Applied Polymer Science, 140 (6), 2022.
  9. “Superwettable surfaces and factors impacting microbial adherence in microbiologically‑influenced corrosion: a review”, Deepti Rane, Savita Kerkar, Sutapa Roy Ramanan, Meenal. Kowshik, World Journal of Microbiology and Biotechnology (2024) 40:98, https://doi.org/10.1007/s11274-024-03886-3.
  10. “Hydrophobic or hydrophilic microhelices: Crafting surfaces with electrospun magnetic polystyrene fiber and an innovative top-down technique”, Aakanksha Mohan and Sutapa Roy Ramanan, Polym Eng Sci. 2024;1–9.

 

  1. Synthesis and characterization of sol-gel In2O3-SnO2 composite powders”, Sutapa Roy Ramanan and N.M.Mohamed, 2nd Int. Conf. On Recent Advances in Materials and Mineral Resources,  Penang , Malaysia, 3-5 May, 1999, Conf.   Proc.p.131.
  2. Microstructural studies of mollusc shells”, R.Venkatesh, S.Retnaraj, S.R.Ramanan, Z.A.Ahmad and   A.F.M.Noor, 2nd Int. Conf.  on    Recent Advances of Materials and Mineral Resources, Penang, Malaysia,  3-5 May, 1999, Conf. Proc. P. 466.
  3. Electron microscopic studies of ITO powders and coatings on glass”, Sutapa Roy Ramanan and N.M.Mohamed, 8th Scientific Conf. of Electron Microscopy  Soc. Malaysia, Genting Highlands, Malaysia, 2-4 Dec 1999. Conf.   Proc. P.123
  4. Microscopy characterization of Al doped ZnO transparent conductive thin films via sol-gel method” K.Y.Cheong, N.M.Mohamed and S.R.Ramanan, 8th Scientific Conf. of Electron Microscopy Soc. Malaysia, Genting Highlands, Malaysia, 2-4 Dec 1999. Conf.  Proc. P.85.
  5. Study of hydroxyapatite coatings and powders prepared by sol-gel techniques’, S.R. Ramanan and R. Venkatesh, Proc. 9th Scientific Conf. Of   Electron Society of Malaysia, Kota Baru, Malaysia,  12-14  Nov., 2000, Conf. Proc. P26.
  6. Preparation of hydroxyapatite coating by sol- gel process’, S.R. Ramanan and R. Venkatesh Proc. Biomed 2000, Kl, Malaysia.Conf. Proc. P22.
  7. Microstructural & surface roughness study on the effect of dopant concentration and type for ZnO based thin films”, K.Y.Cheong, N.M.Mohamed, S.R.Ramanan, 9th Scientific conf. of EMSM 2000, Kota Baru, Malaysia, 12-14  Nov. Conf. Proc. P40. 
  8. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Thermal Interface Materials in microprocessor industries, 3rd International RAMM  conference, pg 262-266.
  9. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Investigation on aluminum nitride reinforced polyurethane as high thermal conductivity thermal interface materials, 12th scientific conference of EMSM, Langkawi, Kedah, Malaysia, 16th-17th December 2003.
  10. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation of silicon carbide reinforced silicone rubber as elastomeric thermal pads for heat dissipation purposes, 12th scientific conference of EMSM, Langkhawi, Kedah, Malaysia, 16th-17th December 2003.
  11. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Cure characteristics and mechanical properties of copper reinforced silicone rubber, 4th International Materials Technology Conference and Exhibition (IMTCE 2004), Kuala Lumpur, Malaysia, 23-25th March 2004.
  12. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation and characterization of silicon grease based thermal interface material, Regional Conference for young chemist (RCYC2004), Penang Malaysia, 13-14th April 2004.
  13. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Logendran Bharatham, Thermal characterization of Al2O3 filled paraffin wax as phase change materials for effective heat dissipation, 2nd colloquium on postgraduate research (MAMIP 2004), Penang, Malaysia, 7-8th October 2004.
  14. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Logendran Bharatham, Thermal characterization of silicon carbide reinforced silicone rubber as elastomeric thermal pads, pg 268-272, 2nd colloquium on postgraduate research (MAMIP 2004), Penang, Malaysia, 7-8th October 2004.
  15. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Goh Teck Joo, Investigation on the suitability of paraffin wax and stearic acid as phase change materials for heat dissipation purposes, pg 262-267, Proceedings of the 6th International Conference on electronic materials and packaging (EMAP 2004), Penang, Malaysia, 5-7th December 2004.
  16. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, K.N. Seetharamu and Goh Teck Joo, Preparation and characterization of mixed filler combination thermal interface material for enhanced thermal performance, pg 268-272, Proceedings of the 6th International Conference on electronic materials and packaging (EMAP 2004), Penang, Malaysia, 5-7th December 2004.
  17. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail and K.N. Seetharamu, Preparation of aluminum nitride reinforced silicone rubber as high performance elastomeric thermal pads, 13th scientific conference of EMSM, Kuala Lumpur, Malaysia, 13th-15th December 2004.
  18. Sim Lim Chong, Sutapa Roy Ramanan, Hanafi Ismail, Azizan Aziz and K.N. Seetharamu, Cure characteristics, thermal and mechanical properties of Al2O3 reinforced silicone rubber, 13th scientific conference of EMSM, Kuala Lumpur, Malaysia, 13th-15th December 2004.
  19. Sutapa Roy Ramanan, “Fabrication of PT, PZT and PLZT thin films by sol-gel technique”, NSE 2007, Nov 5-6,2007, Dept. Of Phys.,GVM Girls’ College, Sonepat.
  20. More, A Waharkar, M.Kowshik and S.Roy Ramanan, “Synthesis and characterization of hydroxyapatite nanopowders”, Int. Workshop on Nanotechnology and advanced functional materials, July 9-11, 2009, NCL, Pune.
  21. Zubeda Aga and Sutapa Roy Ramanan, "Synthesis of submicron size barium titanate powders by sol-gel emulsion technique”, March 31,2011, CHEMSTORM 2011, 10th National Level Technical Symposium, Department of Chemical Engineering, Pravara Rural Engineering College, Loni, Tal.Rahata, Dist. Ahmednagar(Maharashtra).
  22. Sushma Jadalannagari, Sandeep More, Meenal Kowshik, Sutapa Roy Ramanan, "  Synthesis of Hydroxyapatite nano rods using a modified sol - gel method  at a low temperature and its Biocompatibility studies", " World Congress on Biotechnology - 2011 ", HITEX, Hyderabad. 21-23 March 2011.
  23. Zubeda Aga and Sutapa Roy Ramanan, “Synthesis of submicron size pure and doped barium titanate powders by sol-gel emulsion technique”, Third International Conference on frontiers in Nano science and Technology, Cochin Nano 2011, Aug 14-17 2011.
  24. “Strontium doped Barium titanate nanopowders synthesized by sol-gel emulsion technique”; Zubeda Aga and Sutapa Roy Ramanan, ICNANO, 18-21 Dec 2011, Conf. Centre, University of Delhi.
  25. Zubeda Bi H. Aga., Sutapa Roy Ramanan, “Effect of Lanthanum Doping on Barium Titanate Nano-Powders Synthesized by Sol-gel Emulsion Technique.” National Seminar
    NANOMATERIALS: SYNTHESIS CHARACTERISATION AND APPLICATIONS, Chowgule College, Goa, 2-3Feb, 2012.
  26. Ketaki Deshmukh ,  Meenal Kowshik, Sutapa Roy Ramanan. “Prevention of bacterial biofilm using silver doped hydroxyapatite nanoparticles coating for medical implant”. National Seminar NANOMATERIALS: SYNTHESIS CHARACTERISATION AND APPLICATIONS, Chowgule College, Goa, 2-3Feb, 2012.
  27. Biocompatible Silver Hydroxyapatite Nanoparticles Based Thin Film Coatings With Good Antimicrobial And Antibiofilm Activity, Deshmukh K, Ramanan S R, Kowshik M, 1st International Symposium on  nanomedicine in drug delivery and cancer diagnosis, University Of Delaware, 16-17th August, 2012.
  28. Sampada Bokade, Satish Kumar Dasari, Sutapa Roy Ramanan and Jegatha Nambi Krishnan*, "Fabrication of Gold Nanostructure Arrays Using Modified nanosphere Lithography", International Conference on MEMS and Sensors (ICMEMSS 2014), IIT Madras, Chennai, India.
  29. Suprabhat Bhagavathula, Joshi Manasi Satchit, Sutapa Roy Ramanan and Jegatha Nambi Krishnan*, "Fabrication and characterization of Nanoporous Gold film Electrode", International Conference on New Frontiers in Chemical, Energy and Environmental Engineering (INCEEE-2015), NIT Warangal, India.
  30. Bhagavathula, S. R. Ramanan, S. K. Kim and J. N. Krishnan*, "Fabrication of Electroless Plated Nano Porous Gold Film for Heavy Metal Ion Detection in Sensor Applications", 2015 TechConnect World Innovation Conference and Expo (NanoTech-2015), Gaylord National Resort and Convention Center, National Harbor, Washington, D. C., U. S. A.
  31. Manasi Joshi, Swastic, Jaya Krishna Vemula, Kumar Priyadarshi, Aparna Deshpande, Sutapa Roy Ramanan, Jegatha Nambi Krishnan*, "Nanocharacterization Studies on Surface Modified Nanoporous Gold Films for Sensor Applications", 2016 Tech Connect World Innovation Conference and Expo (NanoTech-2016), Gaylord National Resort and Convention Center, National Harbor, Washington D. C., U. S. A.
  32. Pranjita Zantye, Kavita Kadu, Vinay Kaushik, M. Monsoor Shaik, Sutapa Roy Ramanan and Meenal Kowshik, “Effect of temperature on the synthesis of hydroxyapatite nanoparticles by modified sol-gel technique”, Symposium on Recent Advancements in Chemical Sciences and RSC Research Scholar Meet-2016; 2016 Nov 13; BITS Pilani-K.K. Birla Goa Campus.
  33. Ketaki Deshmukh, Sutapa Roy Ramanan and Meenal Kowshik, “Hydroxyapatite nanoparticles as fluorescence probes for bio-imaging and gene delivery applications”, Advances in Functional Materials, UCLA, Aug 14-17, 2017, USA.
  34. Krupa Balakrishnan and Sutapa Roy Ramanan, “Graphene based solutions for corrosion protection on low alloy steel”, Advances in Functional Materials, UCLA, Aug 14-17, 2017, USA.
  35. Pranjita G. Zantye, M. Monsoor Shaik, Fiona Fernandes, Meenal Kowshik and Sutapa Roy Ramanan, “ Biocompatible Hydroxyapatite nanoparticles for bioimaging applications”, 33rd National Convention of Chemical Engineers on “Nanotechnology and its applications for sustainable development in chemical industries” 09-10th September 2017, Pune.
  36. Kavita Kadu, Vinay Kaushik, Meenal Kowshik and Sutapa Roy Ramanan, “Doping induced quenching of self-activated fluorescent hydroxyapatite nanoparticles”, 33rd National Convention of Chemical Engineers on "Nanotechnology and its applications for sustainable development in chemical industries"; 2017, Sept 09-10; Pune.
  37. Kavita Kadu, Meenal Kowshik and Sutapa Roy Ramanan. Synthesis of self-activated fluorescent biocompatible magnetic hydroxyapatite nanoparticles for bioimaging applications. Poster presented at: The 2nd Annual Meeting of Biological Engineering Society and Conference (BESCON); 2018 Oct 26-27; Indian Institute of Technology Bombay, Mumbai.
  38. Kavita Kadu, Goutam Ghosh, Lata Panicker, Meenal Kowshik and Sutapa Roy Ramanan. Effect of counter-ions on the conformational changes of protein upon interaction with magnetic hydroxyapatite nanoparticles. Poster presented at: International Conference on Advances in Materials Science & Applied Biology (AMSAB); 2019 Jan 8-10; SVKM’s NMIMS, Mumbai.
  39. Kavita Kadu, Meenal Kowshik and Sutapa Roy Ramanan. Effect of doping and surface functionalization on the conformational changes of protein upon interaction with hydroxyapatite nanoparticles. Paper presented at: BIOSPECTRUM 3rd International Conference on Biotechnology & Biological Sciences; 2019 Aug 8-10; University of Engineering and Management, Kolkata.
  40. Deepti Rane, Savita Kerkar, C. Anushri Chandrashekhar Vaidya, Meenal Kowshik, Sutapa Roy Ramanan, Rapid assay for enumeration of corrosion causing anaerobic Sulphate Reducing Bacteria, winner of second prize for poster presented at Indo-South Korea International e-Conference on Nanoscience and Nanotechnology for Energy, Environment and Biomedical Applications (iNEEBA Oct 7-8, 2021).
  41. Silver based Silica nanocomposite in mitigation of Corrosion causing Goan Saltpan Sulphate Reducing Bacteria, Deepti Rane1, Savita Kerkar, C. Anushri Chandrashekhar Vaidya, Meenal Kowshik, Sutapa Roy Ramanan, NATURAL SCIENCE AND GREEN TECHNOLOGIES FOR SUSTAINABLE DEVELOPMENT (NTSD-2022) 30 November, 1 and 2 December, 2022.
  42. “A study on the effect of the collector properties on the fabrication of magnetic polystyrene fibers using the electrospinning technique”, Aakanksha Mohan and Sutapa Roy Ramanan, International Online Conference on Nano Materials Mahatma Gandhi University, Kottayam, Kerala, India 12th to 14th August 2022.

 

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