D. Ramachandran Scientist C Work Experience Oct 2011-till date : Jan 2010-Sept 2011: Area of Interest Educational Qualification

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1 D. Ramachandran Scientist C Centre for Nanoscience and Nanotechnology Sathyabama Institute of science and technology, Chennai, Tamilnadu, India Pin ramnaami@gmail.com Work Experience Oct 2011-till date : Scientist- Centre for Nanoscience & Nanotechnology, Sathyabama University Jan 2010-Sept 2011: Junior Research Fellow, Board of Research in Nuclear Sciences, Department of Atomic Energy, Govt. of. India Area of Interest Biodeterioration of concrete due to microbial affect Development of flyash based geopolymer concrete Durability studies on concrete with and without admixtures Biofilm and Thermographic studies on concrete Studies on X-Ray diffraction analysis, Scanning Electron Microscope & Epifluorescence Microscopy of concrete. Synthesis, Extraction and Purification of organic Heterocyclic compounds Synthesis & Characterization of Nanoparticle dispersions and Composites Characterization of organic compounds using spectral analysis (IR, 1H NMR and 13C) Chromatographic Techniques: Thin Layer and Column & Gel Electrophoresis Instrumentation: Epifluorescence/Optical Microscopy, AFM & XRD Microbiology: Isolation & Enumeration of Microbes, Antibacterial Activity Testing Isolation of Genomic DNA and its amplification by using PCR techniques Educational Qualification i. M.Sc. (Organic Chemistry): Annamalai University, (76%) ii. B.Sc. (Chemistry): Guru Nanak College, Chennai, (68%) iii. Ph.D. (Chemistry): Sathyabama University, Chennai, Academic Recognitions Awarded Junior Fellowship by BRNS- DAE Sathyabama University Professional Memberships Associate member Indian Institute of Metals (IIM) Kolkata Student member - National Association of Corrosion Engineers (NACE) Life member- Indian Science Congress Association (ISCA) M. No: L20917 Projects Carried Out Synthesis and spectral studies of some N-chloroacetyl-2,6- bis(mfluorophenyl) piperidin-4-ones. (Completed) Detailed Investigations of Microbiological aspects of biodegradation/deterioration of concrete by sulphur oxidizing bacteria and acid producing microbes. (BRNS-DAE funded Project - Completed) 1

2 Publication in International Journals 1. Sudha Uthaman, Vinita Vishwakarma*, R. P. George, D. Ramachandran, Kalpana Kumari, R.Preetha, M. Premila, R. Rajaraman and U. Kamachi Mudali (2018), Enhancement of Strength and Durability of Fly Ash Concrete in Seawater Environments: Synergistic Effect of Nanoparticles, Construction and Building Materials, 187, (IF-3.485). 2. Ramachandran, D., Vishwakarma, V., & Viswanathan, K. (2018). Detailed studies of cow dung ash modified concrete exposed in fresh water. Journal of Building Engineering, 20, Uthaman, S., George, R. P., Vishwakarma, V., Ramachandran, D., Thinaharan, C., Viswanathan, K., & Mudali, U. K. (2018). Surface Modification of Fly Ash Concrete through Nanophase Incorporation for Enhanced Chemical Deterioration Resistance. Journal of Bio-and Tribo- Corrosion, 4(2), Muthu, M., Deenadayalan, A., Ramachandran, D., Paul, D., Gopal, J., & Chun, S. (2018). A State-of-art review on the agility of quantitative proteomics in tuberculosis research. TrAC Trends in Analytical Chemistry. 5. Vishwakarma, V., & Ramachandran, D. (2018). Green Concrete mix using solid waste and nanoparticles as alternatives A review. Construction and Building Materials, 162, Kaliaraj, G. S., Vishwakarma, V., Kirubaharan, K., Dharini, T., Ramachandran, D., & Muthaiah, B. (2018). Corrosion and biocompatibility behaviour of zirconia coating by EBPVD for biomedical applications. Surface and Coatings Technology, 334, Iniyan, A.M., Kannan, R.R., Joseph, F.J.R.S., Mary, T.R.J., Rajasekar, M., Sumy, P.C., Rabel, A.M., Ramachandran, D. and Vincent, S.G.P., In vivo safety evaluation of antibacterial silver chloride nanoparticles from Streptomyces exfoliatus ICN25 in zebrafish embryos. Microbial pathogenesis, 112, pp Kirubaharan, A. K., Kuppusami, P., Chakravarty, S., Ramachandran, D., & Singh, A. (2017). Thermal expansion and residual stress behavior of electron beam evaporated yttria stabilized zirconia films on Inconel-690 substrates. Journal of Alloys and Compounds, 722, Ramachandran, D., George, R. P., Vishwakarma, V., & Mudali, U. K. (2017). Strength and durability studies of fly ash concrete in sea water 2

3 environments compared with normal and superplasticizer concrete. KSCE Journal of Civil Engineering, 21(4), Muthu, M., Ramachandran, D., Hasan, N., Jeevanandam, M., Gopal, J., & Chun, S. (2017). Unprecedented nitrate adsorption efficiency of carbonsilicon nano composites prepared from bamboo leaves. Materials Chemistry and Physics, 189, Sudha, U., Vishwakarma, V., Ramachandran, D., Harilal, M., Anandkumar, B., George, R. P., & Mudali, U. K. (2017). Corrosion behavior of nanophase modified fly ash concrete reinforced with TMT rebar for seawater applications. 12. Vishwakarma, V., Ramachandran, D., Anbarasan, N., & Rabel, A. M. (2016). Studies of rice husk ash nanoparticles on the mechanical and microstructural properties of the concrete. Materials Today: Proceedings, 3(6), Viswanathan, K., Shyju, T. S., Ramachandran, D., & Pradhaban, G. (2016). Electric properties of ZnO thin films by RF Magnetron sputtering technique. Materials Today: Proceedings, 3(6), Kumari, K., Preetha, R., Ramachandran, D., Vishwakarma, V., George, R. P., Sundaramurthy, C., & Pillai, C. S. (2016). Nanoparticles for enhancing mechanical properties of fly ash concrete. Materials Today: Proceedings, 3(6), Pradhaban, G., Kuppusami, P., Ramachandran, D., Viswanathan, K., & Ramaseshan, R. (2016). Nanomechanical properties of TiN/ZrN multilayers prepared by pulsed laser deposition. Materials Today: Proceedings, 3(6), Brijitta, J., Ramachandran, D., Chennakesavulu, K., Bera, S., Rabel, A. M., Prasath, S. S., & Mary, K. R. (2016). Mesoporous ZnO SiO2 core shell rods for UV absorbing and non-wetting applications. Materials Research Express, 3(2), Kaliaraj, Gobi Saravanan, M. Bavanilathamuthiah, Kamalan Kirubaharan, D. Ramachandran, T. Dharini, K. Viswanathan, and Vinita Vishwakarma. "Bio-inspired YSZ coated titanium by EB-PVD for biomedical applications." Surface and Coatings Technology 307 (2016): B. Anandkumar, R.P. George, A. Karthik, D. Ramachandran and U. Kamachi Mudali Electroless Copper Plating of Titanium Condenser Tubes 3

4 for Biofouling Control, Innovations in Corrosion and Materials Science, 2016, Muthu Manikandan, D. Ramachandran, and Sechul Chun, Iron Oxide Magnetic Nanoparticles Mediated Extraction of Toxic Bile Acids Form Inexpensive Nutrient Media for Unprecedented Growth Enhancement of Halophilic Bacteria., J. Nanosci. Nanotechnol. 2016, Vol Muthu Manikandan, D. Ramachandran, and Sechul Chun, De novo synthesis of novel bacteriogenic nanocell particles and its cancer cell compatibility evaluation. RSC Advances, 2015, 5, Vinita Vishwakarma, Gobi Saravanan Kaliaraj, D. Ramachandran, Ananthakumar Ramadoss, Nanophase modified fly ash concrete with superior concrete properties, durability and biofouling resistance for seawater applications, Symposium on water chemistry and corrosion in nuclear power plants in Asia-2015, September, Vinita Vishwakarma, Gobi Saravanan Kaliaraj, D. Ramachandran, Ananthakumar Ramadoss, Bacterial Adhesion and Hemocompatibility Behavior of TiN, TiO 2 Single and TiN/TiO 2 Multilayer Coated 316L Ss for Bioimplants, Journal of Biomimetic, Biomaterials and Biomedical Engineering, Vol. 25, 2015, pp D. Ramachandran, A.M. Kamalan Kirubaharan, Arul Maximus Rabel, P. Kuppusami., Thermal Expansion Behaviour of Inconel-690 by In Situ High Temperature X-Ray Diffraction., Materials Science Forum., Vols (2015) pp Sreedhar, M., I. Neelakanta Reddy, Parthasarathi Bera, D. Ramachandran, K. Gobi Saravanan, Arul Maximus Rabel, C. Anandan, P. Kuppusami, and J. Brijitta. "Cu/TiO 2 thin films prepared by reactive RF magnetron sputtering."applied Physics A 120, no. 2 (2015): Gobi Saravanan Kaliaraj, Vinita Vishwakarma, Ananthakumar Ramadoss, D. Ramachandran, Arul Maximus Rabel.,Corrosion, hemocompatibility and bacterial adhesion behavior of TiZrN coated 316L SS for bioimplants., Bulletin of Materials Science ISSN: , Indian Academy of Sciences (Springer). 26. Subhranshu Sekhar Samal, V. Vishwakarma and D. Ramachandran, Study of Antibacterial Activities of Carbon Nanotube Based Epoxy Composites to Prevent Biofouling in Marine Environment: A Lab Scale Approach, Marine Engineering Frontiers (MEF) Volume 1 Issue 3, August

5 27. V. Vishwakarma, R. P. George, D. Ramachandran, B. Anandkumar & U.K. Mudali, Studies of detailed Biofilm characterization on fly ash concrete in comparison with normal and superplasticizer concrete in seawater environment, Environ. Technol., DOI: / V. Vishwakarma, R.P. George, D.Ramachandran, M. Menaka, D. Sharath, U.K. Mudali & B.Venkatraman, Biofilm Formation and Thermographic evaluation of Fly Ash concrete in sea water, Concrete Res. Let., 3, 2, (2012). 29. R.P. George, D. Ramachandran, et.al Studies on Biodegradation of normal concrete surfaces by fungus Fusarium sp., Cement & Concrete Res., 47, 8-13 (2013). Presentation in National/International Conferences 1. D. Ramachandran, V. Vishwakarma and S. S. Samal., Microbially Induced Deterioration of Concrete, Trends in Renewable Energy Sources Applications and Climate Change, TRESAC 2010, Sathyabama University, Chennai, India (July th 2010) 2. D. Ramachandran, V. Vishwakarma and S. S. Samal.,.Eco-friendly Concrete, Trends in Renewable Energy Sources Applications and Climate Change, TRESAC 2010, Sathyabama University, Chennai, India (July th 2010) 3. D. Ramachandran, V. Vishwakarma and S. S. Samal., Nanophase modification of concrete for enhancement of microbial properties and durability: present status and future scope, IEEE Xplore, 636 (2011) 4. R.P. George, D. Ramachandran and V. Vishwakarma., Detailed Microbiological investigations on Biodeterioration of modified concretes in seawater environments, Proc. East Asia & Pacific Area Corrosion Conf. & Expo, CORCON 2011, Mumbai, India. (28 th Sept to Oct 1 st 2011)doi: /ICONSET D. Ramachandran, J. Brijitta, N. Nixon Raj, A. M. Rabel and V. Jayanthi., Synthesis and characterization of Zinc Oxide Nanorods, Int. Conf. Adv. Nanomat. Emer. Eng. Technol., (ICANMEET-2013), July 24 th 26 th, 2013, Sathyabama University, Chennai, India 6. N. Nixon Raj, D. Ramachandran, J. Brijitta, A. M. Rabel and V. Jayanthi., Synthesis and Characterization of Matryoshka Doll like Silica Nanostructures, Int. Conf. Adv. Nanomat. Emer. Eng. Technol., (ICANMEET- 2013), July 24 th 26 th, 2013, Sathyabama University, Chennai, India 7. A. M. Rabel, V. Jayanthi, N. Nixon Raj, D. Ramachandran and J. Brijitta, Synthesis and Characterization of chitosan-coated iron oxide nanoparticles, Int. Conf. Adv. Nanomat. Emer. Eng. Technol., (ICANMEET-2013), July 24th 26th, 2013, Sathyabama University, Chennai, India 8. K. Gobi Saravanan, R. Anatha Kumar, D. Ramachandran, T.S. Shyju., Vinita Vishwakarma, Sang-jae Kim and P. Kuppusami, Structural and corrosion behaviour of bilayer and alloyed films of Cu-Ni, Int. Conf. Adv. 5

6 Nanomat. Emer. Eng. Technol., (ICANMEET-2013), July 24 th 26 th, 2013, Sathyabama University, Chennai, India 9. Gobi Saravanan K, Ramachandran D, Viswanathan K, Vinita Vishwakarma, Bacterial viability on copper thin films for hospital applications, SASTRA University, ICTFA -2013( Sep 11-13), American Journal of Applied Sciences( under review) 10. R. Preetha, Kalpana Kumari, C. S. Pillai, Vinita Vishwakarma, D. Ramachandran, R.P. George, S. Ramya, U. Kamachi Mudali, Resistance of Fly ash modified concrete to degradation in marine environment, International Conference on Advanced and Small Modular Reactors panel (SMiRT-22), San Francisco, USA, August D. Ramachandran, N. Nixon Raj, V. Jayanthi, A. M. Rabel and J. Brijitta, Non-Wetting Fabric with UV Blocking Properties, NANO INDIA-2013, Feb 19-20, 2013, Trivandrum, India 12. A. M Rabel, D. Ramachandran, N. Nixon Raj, Studies on magnetic behavior of Paramagnetic Iron Oxide Nanoparticles (SPIONs): effect of surface functionalization, IUMRS ICA, Dec 16-21, 2013, Indian Institute of Science, Bangalore, India. 13. Arul Maximus Rabel, Nixon Raj. N, Ramachandran. D, Development of mono disperse iron oxide nanoparticles surface functionalized by acacia gum for biomedical applications, ICONSAT (2-5 March) 14. D. Ramachandran, A. M. Rabel, N. Nixon Raj and J. Brijitta Synthesis of Core-shell ZnO-SiO2 nanoparticles with UV shielding/non-wetting properties and its cytotoxic studies, ICONSAT (2-5 March) 15. T.S. Shyju, Maria Kuruvilla, K. Gobi Saravanan,D. Ramachandran, K. Viswanathan and P. Kuppusami., Optical properties of copper doped ZnS thin films using RF magnetron sputtering, (ICEM - July 2014) 16. K. Gobi Saravanan, N. Nixon Raj, D. Ramachandran, K. Viswanathan, Vinita Vishwakarma, Comparative study to evaluate the potential action of metallic copper verses copper thin films for hospital acquired infection, El Mednifico Journal. (under review) 17. Vinita Vishwakarma, U. Sudha, D. Ramachandran, R.P. George and U. Kamachi Mudali., Enhancing Antimicrobial Properties of Fly ash Mortars Specimens Through Nanophase Modification, Materials Today: Proceedings Elsevier., ISSN: , RAINSAT-2015 Patent Filed: 1. Filed No: 4188/CHE/2013 -UV Blocking Non Wetting Fabric using Nanoparticles 2. Filed No: 4189/CHE/ UV Blocking Anti wrinkle fabrics using Nanoparticles 3. Filed No: 4191/CHE/2013 -Superhydrophobic coatings using nanoparticles 6

7 R&D Project Proposals S. No. Name of the Investigators 1. Vinita Vishwakarma & D.Ramachandran Title of the Proposal Nanophase modification of Fly ash concrete for enhancement of antibacterial, self - cleaning, corrosion resistance properties and durability Agency BRNS (No.2013/36 /33- BRNS/2355) Duratio n Amount Sanctione d Amount Released Status 2 years / Ongoing 2. Vinita Vishwakarma & D.Ramachandran 3 D. Ramachandran, Arul maximus Rabel, & P. Kuppusami Modification of concrete structures by Bio-waste (Cow dung ash) to enhance the durability and anticorrosive properties - High Temperature X- ray Diffraction Studies on Precipitation Behaviour of Ni and Fe Based Alloys DBT (No. BT/PR7436/ BCE/8/946/ 2012) ISRO/RES/3 /689/ years Complete d 3 Years Ongoing 7