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K.Ramya, S.Ravi, G.Suresh, "Green Synthesis Method for Applying a Vitex Negundo Leaf Extract with Characterization of Silver Thin Films Organized Through Spray Pyrolysis.", International Journal of Innovative Technology and Exploring Engineering (IJITEE) , Volume 9, Number 3, Jan 2020, pp. 160-166. 2020. | |
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R.Vevizhi and S.Ravi, "Bio-Mediated green synthesis of silver nanoparticles and their catalytic activity .", International journal of current advanced research, Volume 7, Number 2(A), Feb 2018, pp. 9614-9616. 2018. | |
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Velvizhi. K and Ravi. S, "GREEN SYNTHESIS OF SILVER NANOPARTICLES USING MURRAYA KOENIGII LEAF EXTRACT AND ITS CATALYTIC DEGRADATION OF METHYL ORANGE.", International Journal of Science and Research (IJSR), Volume 7, Number 3, May 2018, pp. 4-6. 2018. | |
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K.Velvizhi, S.Ravi, "Green Synthesize and Characterization of the Plant Meidated Silver Nanoparticles Uisng Solanumnigrum Leaf Extract..", International Journal of Science and Research (IJSR), , Volume 7, Number 3, Sep 2018, pp. 875-879. 2018. | |
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K. Elumalai, S. Velmurugan, S. Ravi, V. Kathiravan, S. Ashokkumar, "Facile, eco-friendly and template free phytosynthesis of cauliflower like ZnO nanoparticles using leaf extract of tamarindus indica (l.) And its biological evolution of antibacterial and antifungal activities.", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 136, Number 0, Jun 2015, pp. 1052-1057. 2015. | |
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R.Tamizhselvi P.Selvarajan and S.Ravi., "Chemical Properties of different treated seed and kernel of jatropha curcus samples.", International journal of science and research , Volume 8, Number 1, Apr 2015, pp. 372-376. 2015. | |
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V. Kathiravan, S. Ravi, S. Ashokkumar, S. Velmurugan, "Green synthesis of silver nanoparticles using Croton sparsiflorus morong leaf extract and their antibacterial and antifungal activities..", Spectrochimica Acta Part A: Molecular and Bimolecular Spectroscopy, Volume 139, Number 0, Aug 2015, pp. 200-205. 2015. | |
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K. Elumalai, S. Velmurugan, S. Ravi, V. Kathiravan, S. Ashokkumar, "Green synthesys ofzinc oxide4 nanoparticles using moringa oleiferaleaf extract and evalution of itsantimicobialactivity.", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 143, Number 0, Mar 2015, pp. 158-164. 2015. | |
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K. Elumalai, S. Velmurugan, S. Ravi, V. Kathiravan, S. Ashokkumar, "Green synthesis of silver nanoparticles using croton sparsiflorus morong leaf extract and their antifungal and antibactrial acivities.", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 139, Number 0, Sep 2015, pp. 200-205. 2015. | |
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K. Elumalai, S. Velmurugan, S. Ravi, V. Kathiravan, S. Ashokkumar, "Bio fabrication of zinc oxide nanoparticles using leaf extract of curry leaf(murraya koenigii) and its antimicrobial acivities.", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 34, Number 0, Aug 2015, pp. 365-372. 2015. | |
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S.Asokkumar, S.Ravi, V.Kathiravan, S.Velmurugan, "Synthesis of silver nanoparticles using A.indicum leaf extract and their antibacterial activities.", Spectrochimica Acta Part A: Molecular and Biomolecular, Volume 134, Number 0, Jun 2014, pp. 34-39. 2014. | |
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S.Asokkumar, S.Ravi, V.Kathiravan, S.Velmurugan, "Rabid biological synthesis of silver nanoparticles using Leucas martinicensis extract for catalytic and antibacterial activity.", Springer-, Volume 21 , Number 19, May 2014, pp. 11439-11446. 2014. | |
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S.Asokkumar, S.Ravi, V.Kathiravan, S.Velmurugan, "Synthesis, Characterization and catalytic activity of silver nano particles using Tribulus terrestris leaf extract.", Spectrochimica Acta Part A: Molecular and bio molecular spectroscopy, Volume 121, Number 0, Mar 2014, pp. 88-93. 2014. | |
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V.Kathiravan, S.Ravi, S.Asokkumar, S.Velmurugan, "Synthesis of silver nanoparticles from Melia dubia leaf extract and their in vitro anticancer activity.", Spectrochimica Acta Part A: Molecular and bio molecular spectroscopy, Volume 130, Number 0, Oct 2014, pp. 116-121. 2014. | |
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R.Tamizhselvi P.Selvarajan and S.Ravi. , "Fourier transform Infrared spectral analhsis of kernel of Physic nut (Jatropga curcus).", International Journal of Science and Research ., Volume 7, Number 3, Jan 2014, pp. 875-878. 2014. | |
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S.Ashokkumar, S. Ravi, V.Kathiravan, "Green Synthesis of Silver Nanoparticles and Their Structural and Optical Properties.", International Journal of Current Research, Volume 1, Number 5, Aug 2013, pp. 3238-3240. 2013. | |
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R,Thamizhselvi, P.Selvarajan, and S.Ravi, "Fourier transform infrared spectral analysis of kernel of physic nut (Jatropha curcas.", International Journal of Recent Scientific Research, Volume 4, Number 11, Apr 2013, pp. 1855-1857. 2013. | |
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S.Asokkumar, S.Ravi, S.Velmurugan, "Green synthesis of silver nano particles from Gloriosa superba.L leaf extracts and their catalytic activity.", Spectrochimica Acta Part A: Molecular and bio molecular spectroscopy, Volume 115, Number 0, Jun 2013, pp. 388-392. 2013. | |
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S.Velmurugan, R.Govindaraj, S.Ravi, "Physico -chemical parameters and elemental analysis of soil of sunflower (Helianthus annus.L) growing field with different treatments.", Asian journal of plants science and research, Volume 2, Number 4, Apr 2012, pp. 473-477. 2012. | |
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S.Ravi, P.Kabilar, S.Asokkumar, S.Velmurugan and M.Gayathri,, " Spectroscopic studies on the status of aloin in aloevera and commercial samples..", Journal of Experimental Sciences, Volume 2 , Number 8, Jun 2011, pp. 10-13. 2011. | |
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S.Ravi, P.Kabilar, S.Asokkumar, S.Velmurugan and M.Gayathri,, "Micro and macro nutrient analysis of different manure treated (Aloe barbadensis) samples by spectroscopic techniques.,.", International Journal of current Research, , Volume 3, Number 8, Mar 2011, pp. 199-202. 2011. | |
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S.Velmurugan. R.Narayanaswamy S.Ravi. B.Gokulakumar, "Elemental status of different sugarcane field soils with and without red rot disease incidence by ICP-AES study,.", Romanian J. BIOPHYSICS , Volume 19, Number 2, Apr 2009, pp. 97-103. 2009. | |
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S.Ravi, , Bio approach synthesis and characterization of metal nanoparticles from Aromatic medicinal plants. , II National conference on Emerging Trents in Materials Sciences (NCETMS-2019)., Sep 26-27, 2019, PG & Research Departments of Physics and Chemistry, , pp. 134-134. Government Arts College,, Thiruvannamalai. | |
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T.Jayaprabha, S.Ravi and S.Velmurugan, Green synthesis of CuO Nanoparticles using Ipomoea Pes- Caprae (Kudhirai kulambu) extract and their optical properties, , II National conference on Emerging Trents in Materials Sciences (NCETMS-2019)., Sep 26-27, 2019, PG & Research Departments of Physics and Chemistry, , pp. 121-121. Government Arts College, , Tiruvannamalai. | |
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S.Velmurugan, S.Saravanan, S.Ravi and B.Dhinakaran, , A biological approach for synthesis of copper oxide nanoparticles by fenugreek (Trigonella.sp.L) leaf extract and its antibacterial activity, PG & Research Departments of Physics and Chemistry, , Sep 26-27, 2019, Department of Physics and Chemistry, pp. 97-97. Government Arts College, Tiruvannamalai. | |
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K.Velvizhi and S.Ravi, , Green synthesis of silver nano particles using menthol plant extract , National symposium on Recent advances in nano science and nano technology (NSRANN-2017), Mar 15-15, 2017, Department of Physics, pp. 46-46. Department of Physics , Periyar University, Salem. | |
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K.Velvizhi, S. Ravi S. Umadevi , K. Ramya, S. Velmurugan, A. Sharmila T. Bhakiyalakshmi and M. Gayathiri., Synthesis and characterization of metal oxide nanoparticles from medicinal plants and its application of antifungal activities., National seminar on new trends in Chemistry (NTC -2016), Oct 21-22, 2016, Department of chemistry, pp. 139-139. Annamalai university, Annamalai nagar. | |
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Velmurugan S., K. Elumalai, and S. Ravi, , Green synthesis, photo-catalytic and antimicrobial performances of zinc oxide nanoparticles. , National seminar on new trends in Chemistry (NTC -2016). , Oct 21-22, 2016, Department of chemistry, pp. 100-100. Annamalai university, Annamalai nagar. | |
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K.Velvizhi and S.Ravi, Incubation studies on magnesium calcium oxalate crystal , National Seminar on Recent Advances in Nanoscience and Technology (NANOMEET-2016) , Oct 6-7, 2016, Centre for Nanoscience and Technology, , pp. 23-23. Anna University, Chennai-600025. | |
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K.Velvizhi and S.Ravi, Green synthesis and characterization of silver nanoparticles using Zingiber officinale leaf extract for enhanced catalytic and antibacterial activity, National Conference on preparation and Characterization of Crystalline Materials (NCPCCM ’16) , Aug 4-5, 2016, PG & Research Department of Physics, , pp. 35-36. Govt. Arts College,, Thiruvannamalai. | |
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R.Elakkiya, K.Velvizhi ,S.Ravi , S.Umadevi, K.Ramya, S.Velmurugan, and M.Gayathiri, Green synthesis of silver nanoparticles from cumin seeds and its antifungal studies, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016). , Apr 27-27, 2016, Engineering Physics Section,, pp. 35-35. Faculty of Engineering and Technology,, Annamalai University. | |
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M.Gayathiri, A.Anburani And S.Ravi. , Quantitatively estimation of colchicine from glory lily samples by thin layer chromatographic techniques (TLC). , National Conference on Frontier Areas in Applied Physics (NCFAAP-2016), Apr 27-27, 2016, Engineering Physics Section, , pp. 31-31. Faculty of Engineering and Technology, , Annamalai university. | |
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S.Ashokkumar ,S.Ravi, K.Ramya, S.Velmurugan , V.Kathiravan, and M.Gayathiri, Synthesis and characterization of silver nanoparticles from glory lilly leaf sample, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016)., Apr 27-27, 2016, Engineering Physics Section, , , pp. 33-33. Faculty of Engineering and Technology, Annamalai University. | |
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K.Velvizhi ,S.Ravi, S.Umadevi, K.Ramya, S.Velmurugan, V.Kathiravan, R.Elakkiya And M.Gayathiri, Green synthesis and characterization of silver nanoparticles from mint aromatic medicinal plant samples for antibacterial activity studies, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016). , Apr 27-27, 2016, Engineering Physics Section, pp. 36-36. , Faculty of Engineering and Technology, Annamalai University. | |
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S.Umadevi, K.Velvizhi ,S.Ravi, R.Elakkiya, K.Ramya, S.Velmurugan, V.Kathiravan and M.Gayathiri, Synthesis of silver nanoparticles from ginger samples and its application of antibacterial activities studies, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016)., Apr 27-27, 2016, Engineering Physics Section, , pp. 37-37. Faculty of Engineering and Technology, Annamalai University. | |
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R.Tamizh Selvi, P.Selvarajan, S.Ravi, V.Kathiravan and S.Ashok Kumar., Spectroscopic studies on Jatrophine compounds extracted from biodiesel plant samples, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016), Apr 27-27, 2016, Engineering Physics Section,, pp. 38-38. Faculty of Engineering and Technology, Annamalai University. | |
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P.Kabilar , S.Ravi, V.Kathiravan, S.Velmurugan, S.Ashok kumar and M.Gayathiri,, Spectroscopic studies on alion compounds extracted from aloevera samples, National Conference on Frontier Areas in Applied Physics (NCFAAP-2016). , Apr 27-27, 2016, Engineering Physics Section,, pp. 34-34. Faculty of Engineering and Technology, Annamalai University. | |
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K.Ramya, S. Ravi, S. Velmurugan , R.selvaraju M.Gayathiri, V.Kathiravan, S.Ashok kumar and K. Velvizhi ,, Biosynthesis of CuO nanoparticles using from Centella asiatica Leaf , National Conference on Frontier Areas in Applied Physics (NCFAAP-2016). , Apr 27-27, 2016, Engineering Physics Section,, pp. 32-32. Faculty of Engineering and Technology, , Annamalai University. | |
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51. S.Ravi, S.Velmurugan, K.Ramya, P.Ashokkumar and M.Gayathiri,., Rapid Biological synthesis of silver nano particle using from leucas martinicensis leaf extract samples, National conference on Advanced Materials (NCAM-2016). , Mar 21-22, 2016, Organized by Department of Physics,, pp. 33-33. SSN College of Engineering, Rajiv Gandhi Salai (OMR),, Kalavakkam-603 110. . | |
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R.Tamizh selvi, P.Selvarajan, S.Ravi and V,Kathiravan, , Spectral studies on extracted from Jatropha curcas plant samples,, National conference on Advanced Materials (NCAM-2016)., Mar 21-22, 2016, Organized by Department of Physics,,, pp. 34-34. SSN College of Engineering, Rajiv Gandhi Salai (OMR), Kalavakkam-603 110. | |
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R.Tamizh selvi, P.Selvarajan, S.Ravi and V,Kathiravan, Spectral studies on extracted from Jatropha curcas plant samples, National conference on Advanced Materials (NCAM-2016). , Mar 21-22, 2016, Department of Physics, SSN College of Engineering, pp. 34-34. Rajiv Gandhi Salai (OMR), Kalavakkam-603 110. | |
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S.Ravi, S.Velmurugan, K.Ramya, P.Ashokkumar and M.Gayathiri, , Rapid Biological synthesis of silver nano particle using from leucas martinicensis leaf extract samples., National conference on Advanced Materials (NCAM-2016). , Mar 21-22, 2016, Organized by Department of Physics, SSN College of Engineering, pp. 33-33. Rajiv Gandhi Salai (OMR), Kalavakkam-603 110.. | |
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42. K.Elumalai, S.Velmurugan, S.Ravi, V.Kathiravan, S.Ashokkumar, Bio-Fabrication And Antimicrobial Activities Of Zno Nanoparticles Using Leaf Extract Of Murraya Koneigi, National Seminar On Recent Trends In Crystal Growth& Nano Materials (NSCGNM-2014, Aug 7-9, 2014, PG & Research Department of Physics, pp. 89-90. National College (Autonomous) , Tiruchirappalli. | |
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V.Kathiravan,S.Ravi,S.Ashokkumar,S.Velmurugan,K.Elumalai., Green synthesis of silver nanoparticles using croton bonplandianum leaf extract and antibacterial activity, National Seminar On Recent Trends In Crystal Growth& Nano Materials (NSCGNM-2014), Aug 7-9, 2014, PG & Research Department of Physics., pp. 32-33. National College (Autonomous) , Tiruchirappalli. | |
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Velmurgan.S., R.Govindaraj, S.Ravi, and k.Elumalai. , Spectral Analysis of Root Rot Disease Incidence in SunFlower (Helianthus annus.L) THROUGH FT-IR Method, National Conference in Advanced Materials its Applications NCAMA-2014, Apr 4-5, 2014, ENGINEERING Physics Section, pp. 193-193. Faculty of ENGINEERING and Technology, Annamalai university. | |
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.Velmurgan.S, k.Elumalai ,and S.Ravi.,, Phytosynthesis of zinc oxide Nanoparticles using Leaf extract of (Tamarindus indica L), National Conference in Advanced Materials its Applications NCAMA-2014 4&5 April 2014 , Apr 4-5, 2014, ENGINEERING Physics Section, pp. 62-62. Faculty of ENGINEERING and Technology , Annamalai university. | |
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88. Kabilar.P, S.Ravi , Velmurgan.S, V.Kathiravan and M.Gayathiri , FT-IR Spectral and Antifungal Studies on Aloe Vera Plant and commercial Samples, National Conference in Advanced Materials its Applications NCAMA-2014 , Apr 4-5, 2014, ENGINEERING Physics Section , pp. 133-134. Faculty of ENGINEERING and Technology, Annamalai university. | |
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Thamizhselvi R, P.Selvarajan and S.Ravi, , Characterization of Jatrophine Compounds Extracted By Kattamanakuu Plant Samples using FTIR and UV – visible Spectroscopic Techniques, National Conference in Advanced Materials its Applications NCAMA-2014 , Apr 4-5, 2014, ENGINEERING Physics Section, pp. 134-134. Faculty of ENGINEERING and Technology, Annamalai university. | |
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Velmurugan.S,Elumalai.K,Ravi.S, Phytosynthesis Of Zinc Oxide Nanoparticles Using Leaf Extract Of Tamarind (Tamarindus Indicus), (National Conference In Advance Materials And Its Applications (NCAMA-2014), Apr 4-5, 2014, Engineering Physics Section, pp. 62-62. Faculty Of Engineering and Technology,, Annamalai university. | |
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Ashokkumar.S, Ravi.S and Kathiravan.V, Synthesis of Silver Nanoparticles from a. indicum leaf for enhanced catalytic and antibacterial activity, National Conference In Advance Materials And Its Applications NCAMA-2014, Apr 4-5, 2014, Engineering Physics Section, pp. 75-75. Faculty of Engineering And Technology, Annamalai University. | |
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38. V.Kathiravan, , S.Ravi, S.Ashokkumar, S.Velmurugan, Green synthesis of silver nanoparticles from croton bonpladianum leaf extract and characterization of their antibacterial activity, (National Conference In Advance Materials And Its Applications (NCAMA-2014), Apr 4-5, 2014, Engineering Physics Section, pp. 163-163. Faculty of Engineering And Technology , Annamalai university. | |
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V.Kathiravan, S.Ravi, Ashokkumar.S and Velmurgan.S, Green Synthesis of silver Nanoparticles From Bonpladianum Leaf Extract and Characterization of Their Antibacterial, National Conference in Advanced Materials its Applications NCAMA-2014 , Apr 4-5, 2014, ENGINEERING Physics Section, pp. 163-163. ,Faculty of ENGINEERING and Technology, Annamalai university. | |
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31. S.Ashokkumar, S.Ravi, V.Kathiravan, S.Velmurugan, Green synthesis of silver nanoparticle from Gloriosa Superba.L leaf extract ant their optical properties, National Seminar on Recent in Crystal Growth & Nano Materials (NSCGNM-2013), Dec 20-21, 2013, PG and Research Deparment of physics, pp. 78-79. National college (Autonomous)- Tiruchirappalli. , Tiruchirappalli. | |
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Katrhiravan.V, Ashokkumar.S, Ravi.S., Green synthesis, characterization and anti breast cancer activity of nano particles using leaves extract of Melia dubia, (National Seminar On Chemistry Education And Research & National Convention Of Chemistry Teachers (NCCT-13), Nov 8-10, 2013, Department of chemistry,, pp. 85-86. Annamalai University, Annamalai nagar. | |
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Ashokkumar.S, Ravi.S and Kathiravan.V., “Synthesis of Silver Nanoparticles from a. indicum leaf for enhanced catalytic and antibacterial activity, (National Seminar On Chemistry Education And Research & National Convention Of Chemistry Teachers NCCT-13, Nov 8-10, 2013, Department of chemistry, pp. 61-61. Annamalai university, Annamalai nagar. | |
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V.Kathiravan, S.Ashokkumar, S.Ravi, “Effect of silver nanoparticles on human breast cancer cell line”, (New Materials Research And Nanotechnology NSNMRN 2013)., Oct 10-11, 2013, Department of physics, pp. 89-90. Government Arts College, , Stone House Hill, Ooty. | |
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32. V.Kathiravan, , S.Ravi, S.Ashokkumar, S.Velmurugan, Bio Synthesis of carbon nanotube with silver nanoparticles by using sunflower extract and their effect on bioelectricity production, (National Seminar on Recent in Crystal Growth & Nano Materials (NSCGNM-2013)), Jul 27-28, 2013, PG and Research Deparment of physics, pp. 56-57. National college (Autonomous)- Tiruchirappalli., Tiruchirappalli. | |
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R.Thamizhselvi and S.Ravi, TLC studies on kattamannku samples (Jatropha curcus), National level Seminar on Emerging Trends in Biological Research(NSETBR-2013), Apr 14-14, 2013, Department of Zoology, , pp. 52-52. Lady dark college , Madurai.. | |
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33. S.Velmurugan, R.Govindaraj, S.Ravi and K.Elumalai., Elemental Status On Different Varieties Of sunflower Root Rot Disease Samples Using ICP-OES, (National Seminar on Recent in Crystal Growth & Nano Materials (NSCGNM-2013)), Apr 10-11, 2013, PG and Research Department Of physics, pp. 48-49. National college (Autonomous)-Tiruchirappalli., Tiruchirappalli. | |
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S.Ashokkumar and S.Ravi, Green synthesis of coccinea indica medicianal plants, Recent Advances in Textile and electeichemical sciences -2013, Mar 21-23, 2013, Department of a Industrial Chemistry , school of chemical science, pp. 48-48. Alagappa university , Karaikudi . | |
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R.Thamizhselvi and S.Ravi, Spectral studies on Biodiesel plants. , National Conference on Environmental issue and challenges vision -2020, Mar 13-13, 2013, Department of zoology, pp. 63-63. Annamalai University, Annamalai Nagar. | |
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Ravi.S, ICP-AES Analysis in Sunflower on the Rppt rot Disease Incidence, National Conference on Physics of New Materials (NCPNM-2012), Apr 20-21, 2012, Dept. of Physics, pp. 30-31. Noorul Islam University, Kumaracoil, Thucklay. | |
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S.Ravi, 61. ICP-AES Analysis in Sunflower on the Root rot Disease Incidence, National Conference on Physics of New Materials (NCPNM-2012), Apr 20-21, 2012, Dept. of Physics, pp. 123-123. Noorul Islam University, Kumaracoil, Thucklay-629 180, Kerala. | |
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S.Ashokkumar and S.Ravi, Green synthesis and characterrztion studies on Tribulus terrrestris medicanal plants, National on Advanced in Materials Science (NCAMS-2012), Apr 16-17, 2012, Department of physics , pp. 89-89. Annamalai university, Annamalai Nagar. | |
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S.Ravi, Spectral studies onmedicinal plant from glory lily Gloriosa Superba.L), UGC and CSIR sponsored National conference on Spectrophysics (NCONS 2012), Mar 7-8, 2012, Indian SpectroPhysics Association(ISPA) in collaboration with PG & Research Department of Physics, Pachaiyappa’s College, Chennai and PG Department of Physics, Women’s Christian College, Chennai., pp. 151-151. Chennai, ISPA. | |
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S.Ravi, 60. Characterization of trace elements analysis of glory lily (Gloriosa Superba.L) by ICP-OES and AAS methods, UGC and CSIR sponsored National conference on Spectrophysics (NCONS 2012, Mar 7-8, 2012, PG & Research Department of Physics, Pachaiyappa’s College, Chennai and PG Department of Physics, Women’s Christian College, pp. 150-150. Chennai, Chennnai. | |
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26. S.Ashokkumar, S.Ravi, P.Kabilar, S.Velmurugan and M.Gayathiri, Spectral studies on medicinal plant from glory lily Gloriosa Superba.L, UGC and CSIR sponsored National conference on Spectrophysics (NCONS 2012), Mar 7-8, 2012, PG & Research Department of Physics, pp. 37-37. Pachaiyappa’s College, Chennai. | |
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S.Ashokkumar, S.Ravi, P.Kabilar, S.Velmurugan and M.Gayathiri, , Characterization of trace elements analysis of glory lily (Gloriosa Superba.L) by ICP-OES and AAS methods, National conference on Spectrophysics (NCONS 2012), Mar 7-8, 2012, PG & Research Department of Physics, pp. 36-37. Pachaiyappa’s College, Chennai. | |
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Ravi.S, Micro and macro nutrient analysis of different manure treated (Aloe barbadensis Miller) samples by spectroscopic techniques, National conference on Advances in Materials science,, Mar 1-2, 2012, Department of Physics, pp. 56-57. Annamalai university, Annamalai nagar. | |
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Ravi.S, 29. Vibrational spectroscopy analysis of phytochemical status of glory lily leaves (Gloriosa superba.L), National conference on Advances in Materials science, Mar 1-2, 2012, Department of Physics, pp. 54-55. Annamalai university, Annamalai nagar. | |
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Ravi.S, 28. Analysis of molecular structure by vibrational spectroscopic techniques from different treated seeds of glory lily (Gloriosa superba.L), National conference on Advances in Materials science, Mar 1-2, 2012, Department of Physics, pp. 50-51. Annamalai university, Annamalai nagar. | |
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S.Ashokkumar and S.Ravi, Biordduction of methylene blue and antibacterial activity of medicinal plants, National Seminar on Recent Trends in Synthetic Methods and Chemistry of Natural Products (SMNP-2011), Sep 14-15, 2011, Department of Chemistry, pp. 65-65. Annamalai university , Annamalai Nagar. | |
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Ravi.S, Fourier Transform – 1H Nuclear Magnetic Resonance Spectral analysis on Root Rot Disease incidence in Sesame, National Seminar on New Frontiers in Chemistry, Mar 15-16, 2010, Department of Chemistry, pp. 25-26. Annamalai university, Annamalai nagar. | |
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21. Kabilan,P, S.Ravi, M.Gayathiri, S.Velmurugan, K.Mallika and K.Panneerselvam, Spectroscopy and antifungal studies on Aloe Vera Medicinal plants, UGC Sponsored National conference on recent trends in Bio science 21st millennium, Mar 6-7, 2009, Department of Zoology, pp. 167-168. Annamalai university, Annamalai Nagar. | |
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Ravi.SM.Gayathiri, S.Velmurugan, R.Narayanaswamy and M.Maria Joseph Amala, 19. Spectral and antifungal studies of neem (Azadirachta indica), National seminar on Recent trends in heteroatom chemistry,, Mar 28-29, 2007, Department of Chemistry , pp. 42-42. Annamalai University,, Annamalai nagar . | |
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20. Mallika,K, K.Panneer Selvam , S.Ravi, M.Gayathiri and S.Velmurugan., Spectroscopy studies on the status of Phytochemical in Glory Lily, UGC Sponsored National conference on recent trends in Bio science 21st millennium, Mar 6-7, 2007, Department of Zoology, pp. 167-167. Annamalai University, Annamalai Nagar. | |
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S.Ravi, S.Rajendran, M.Gayathiri, R.Narayanaswamy, Rani Maria George and R.M.Greeshma, FT-IR , FT-Raman spectral and Antifungal studies on Ocimum sanctum, UGC National seminar on Recent advances in Medicinal plant research, Mar 3-4, 2007, Department of Botany, pp. 92-92. Annamalai university, Annamalai nagar. | |
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19. M.Gayathiri, S.Ravi, Rani Maria George and R.M. Greeshma, Medicinal Uses of Jatropha curcas, UGC National seminar on Recent advances in Medicinal plant research, Mar 3-4, 2007, Department of Botany, pp. 23-23. Annamalai University, Annamalai Nagar. | |
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Ravi.S and S.Sivakumar, Infrared studies on fuel contaminated soils, National conference on recent advances in vibrational spectroscopy (NCVS 2007), Jan 29-30, 2007, Department of Physics, pp. 24-25. Periyar University, Salem. | |
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17. Velmurugan, R.Narayanaswamy, S.Ravi and B.Gokul kumar, Elemental status of different sugarcane field soils with and without red rot disease incidence by ICP – AES study, National conference on recent advances in vibrational spectroscopy(NCVS 2007),, Jan 29-30, 2007, Department of Physics, pp. 47-48. Periyar University, Salem . | |
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16. S.Ravi, R.Palanivel, S.Velmurugan, B.Gokul kumar and Rani Maria George, Amino acid analysis of cotton seeds using AOAC and FT-IR techniques., National conference on recent advances in vibrational spectroscopy (NCVS 2007), Jan 29-30, 2007, Department of Physics, pp. 45-46. Periyar university, Periyar university. | |
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15. S.Ravi, R.Narayanawamy, S.Velmurugan, M.Kamaraj and RM.Greeshma, Radio activity analysis of beach sediment after tsunami samples in Nagapattinam district, TamilNadu, National conference on recent advances in vibrational spectroscopy (NCVS 2007),29-30, January ,2007,, Jan 29-30, 2007, Department of Physics, pp. 75-76. Periyar University, Periyar university. | |
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14. S.Ravi , R.Vanitha, S.Velmurugan and R.Narayanaswamy, TLC and UV spectral studies on groundnut kernels, National seminar on newer methods of advanced agriculture techniques, Mar 18-19, 2006, Department of soil science and agricultural chemistry, X, pp. 54-55. Faculty of agriculture, Annamalai university. | |
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S.Ravi and R.Narayanaswamy., Tamil article “Veerkadali Vithil Aspergillus Flavus Thakkuthallai Ultraviolet Neeramalimani and TLC analysis, UGC sponsored regional seminar on formulating methods for terminology in scientific Tamil January 23-24,2004,Alagappa government arts college, Karaikudi, 630 003., Jul 23-24, 2004, Alagappa Government Arts college , pp. 89-90. Karikudi, 0. | |
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12. R.Selvaraju, R.Narayanaswamy, S.Ravi R.Valliappan and M.Gopalakrishnan, Bile fluid analysis of ICP AES Method, UGC sponsored national seminar on Modern trends in applied spectroscopy (NASMTAS), Mar 25-26, 2004, Department of Physics Section, Faculty of Engineering and Technology , Annamalai University, pp. 12-13. Department of Physics ,FEAT, 0. | |
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S.Ravi R.Narayanaswamy and S.Rajendran , “Spectral studies and seasonal variation of the Aflatoxin-B1 treated with different groundnut ( Arachis Hyopogea) kernel samples, UGC sponsored national seminar on Modern trends in applied spectroscopy (NASMTAS) March 25-26, 2004, Department of Physics Section, Faculty of Engineering and Technology , Annamalai University, Annamalai Nagar-608 002., Mar 25-26, 2004, Department of Physics, pp. 12-13. FEAT,Annamlai university, 0. | |
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S.Ravi R.Narayanaswamy and N.R.Rajendraprsad, , 13C Fourier Transform Nuclear magnetic Resonance spectral analysis for the detection of aflatoxin B1 groundnut kernels, National Seminar on chemical physics (NSCP-2003), March 10-11,2003 Department of Physics, Annamalai University,608 002., Mar 10-11, 2003, Department of Physics, pp. 17-18. Annamalai university, 0. | |
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S.Ravi ,R. Narayanaswamy and S.Rajendran , “Water stress response function for treated with various organic manures in groundnut samples, UGC national seminar on society ,water and environment polices and issues, 28-29 March 2002, Sociology Department, Annamalai University,Annamalainagar-608 002., Mar 28-29, 2002, DEPARTMENT OF SOCIOLOGY, pp. 12-13. Annamalai university, 0. | |
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S.Ravi, R.Narayanaswamy , TLC and UV spectral studies on the aflatoxin – B1 status of different groundnut (Arachis hypogea L.) samples treated with various organic manures, National seminar on Recent Trend on the Use of Humic Substance for Sustainable Agriculture (RTUHSSA), Feb.-27-28.2002, Annamalainagar – 608 002, Tamil Nadu, India., Feb 27-28, 2002, Department of Soil Science and Agricultural Chemistry, Faculty of Agriculture, Annamalai University, , pp. 62-63. Annamalai university, RTUHSSA. | |
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S.Ravi, R.Narayanaswamy and R.Singaravel , Study on the relationship of organic matter with vibratinoal spectral and macronutrient analysis of some soil samples , National Seminar on Recent Tredns on the use of humic substances for sustainable agriculture (RTUHSS A) Feb-27-28-2002, Department of Soil Science and Agricultural Chemistry, Faculty of Agriculture, Annamalai University, Annamalainagar – 608 002., Feb 27-28, 2002, Soil science and agricultural chemistry,, pp. 45-46. annamalai university, RTUHSS-2002. | |
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S.Ravi and R.Narayanaswamy “Trace elemental analysis of Tikka disease in groundnut (Arachis hypogaea L.) leaves. State Conference On Recent Advances In Physics. Physics Meet – 2000 Dec. – 18, 2000. Chennai – 600 114., S.Ravi and R.Narayanaswamy “Trace elemental analysis of Tikka disease in groundnut (Arachis hypogaea L.) leaves., State Conference On Recent Advances In Physics. Physics Meet – 2000 Dec. – 18, 2000. Chennai – 600 114., Dec 18-18, 2000, Chennai, pp. 14-14. Presedency college,chennai, Physics Meet-2000. | |
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S.Ravi, R.Narayanaswamy and S. Ravi “Spectroscopic analysis of disease incidence in groundnut (Arachis hypogea L.) leaves” , II National Conference On Spectrophysics (NCONS – 2000) August (9-11), 2000, Chennai – 600 030, INDIA., Aug 9-11, 2000, Chennai, pp. 12-12. chennai, NCON-2000. | |
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T.Jayaprabha, S.Ravi and R.Selvaraju, Green synthesis of ZnO nano particles using glory lily leaf extract and their optical properties, Proceedings of the International Conference on Physics of Advanced materials and molecules (ICPAMM 2020), Jan 30-31, 2020, Department of Physics, Dr.Ambedkar Government Arts College, pp. 162-162. Vyasarpadi, , Chennai. | |
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S.Velmurugan, S.Saravanan and S.Ravi,, Green synthesis, characterization and antimicrobial activities of copper oxide nano particles from the leaf extract of fenugreek, Proceedings of the International Conference on Physics of Advanced materials and molecules (ICPAMM 2020),, Jan 30-31, 2020, Department of Physics, Dr.Ambedkar Government Arts College, pp. 108-108. Vyasarpadi,, Chennai. | |
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M.Kalaivani, S.Ravi and P.Veluchamy, Water stress response function and spectral studies on aquatic plants of water lily, Proceedings of the International Conference on Physics of Advanced materials and molecules(ICPAMM 2020), , Jan 30-31, 2020, Department of Physics, Dr.Ambedkar Government Arts College, pp. 161-161. Vyasarpadi, , Chennai. | |
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. S.Ravi, S.Velmurgan and M.Gayathiri, Antifungal activities and optical Green of silver Nanoparticles from cumin seeds, ,International conference in Biosustainability and Environmental Research -2019 (RIBER-2019), Feb 20-22, 2019, Department of zoology, pp. 130-130. Annamalai university, Annamalai nagar. | |
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K Velvizhi and S.Ravi, Characterization of silver nano crystal obtainted by green synthesis using Muraya koenigii leaf extract, Second International conference on recent advances in application of science and technology( Tamil conference ), Aug 23-25, 2018, Periyar university, pp. 174-174. Salem , Tamilnadu. | |
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S.Ravi and M.Gayathiri,, , Spectral analysis of colchicine from Gloriosa superba. L samples, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, , pp. 87-87. Faculty of Engineering and Technology, Annamalai university. | |
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S.Ravi, K.Ramya, S.Velmurugan and M.Gayathiri, , Physical and phytochemical properties of silver nanoparticles from glory lily leaf extract,, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, , pp. 87-87. Faculty of Engineering and Technology, Annamalai university. | |
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16. K.Velvizhi, S.Ravi, K.Ramya , R.Selvaraju and M.Gayathiri, , Synthesis of silver nanoparticles from ginger samples for antibacterial activities,, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, , pp. 87-87. Faculty of Engineering and Technology, Annamalai university. | |
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S.Velmurugan, S.Ravi and S.Ashokkumar, ,, Synthesis of silver nanoparticles using Leucas aspera leaf extract for catalytic application, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section,, pp. 87-87. Faculty of Engineering and Technology, Annamalai university. | |
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S.Saravanan, S.Ravi, M.Gayathiri and K.Ramya, , Synthesis of silver nanoparticles from A.indicum leaf extract for enhanced catalytic and antibacterial activity, International conference on Recent advances in applied physics ICRAAP- 2017, , Sep 21-22, 2017, Engineering Physics section, pp. 86-86. Faculty of Engineering and Technology, Annamalai university. | |
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K.Velvizhi, S.Ravi, K.Ramya and M.Gayathiri, , Synthesis and characterization of silver nanoparticles from cumin for antifungal activities, International conference on Recent advances in applied physics ICRAAP- 2017, , Sep 21-22, 2017, Engineering Physics section, pp. 86-86. Faculty of Engineering and Technology, Annamalai university. | |
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K.Ramya, S.Ravi, M.Gayathiri and K.Velvizhi, Green synthesis and characterization of CuO Nanoparticles from Centella asiatica A (Indian penny wort) leaf extract, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, pp. 64-65. Faculty of Engineering and Technology, Annamalai University. | |
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S.Ravi, M.Anbuvannan and S.Ashokkumar, Bio mediated synthesis of Zinc oxide Nano particles and their enhanced antimicrobial activity of human pathogens, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, pp. 62-62. Faculty of Engineering and Technology, Annamalai University. | |
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S.Ravi , K.Velvizhi, R.Sivayogam and K.Ramya,, , Synthesis of silver nanoparticles from aromatic medicinal plants its Antibacterial activity, International conference on Recent advances in applied physics ICRAAP- 2017,, Sep 21-22, 2017, Engineering Physics section, , pp. 88-88. Faculty of Engineering and Technology, Annamalai university. | |
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R.Tamizh selvi, P.Selvarajan and S.Ravi,, , Characterization of Jatrophine compunds extracted from Jatropha curcas plant samples using Modern Spectroscopic techniques, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, , pp. 88-88. Faculty of Engineering and Technology, Annamalai university. | |
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21. S.Ravi, K.Ramya, R.Selvaraju, K.Velvizhi and M.Gayathiri, ,, , Synthesis and characterization of CuO Nanoparticles from spices plants and its application of solar cell activities,, International conference on Recent advances in applied physics ICRAAP- 2017, Sep 21-22, 2017, Engineering Physics section, pp. 88-88. Faculty of Engineering and Technology,, Annamalai university. | |
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S.Ravi, S. Ashokkumar ,V. Kathiravan, M.Gayathiri, K.Ramaya, S.Saravannan, S. Velmurugan, Bio-Synthesis of Silver Nanoparticles from A. Indicum Leaf Extract For Enhanced Catalytic and Antibacterial Activity, , International Conference on Environment and Health in Changing climate (ICEHCC-2016), Sep 14-16, 2016, Department of Environmental Biotechnology, , pp. 140-141. School of Environment Sciences, , Bharathidasan University, Tiruchirapalli. | |
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R.Elakkiya and S.Ravi, Bio synthesis of nano particles from ginger samples for antibacterial acivities., International Conference on Chemistry for Renewable Energy (ICCRE-2016)., Feb 25-26, 2016, PG and Research Department Chemistry,, pp. 40-41. Bishop Heber College (Autonomous), Trichy – 620 017. | |
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8. S. Ravi, V. Kathiravan, S. Ashokkumar, S.Velmurugan, K.Elumalai., Synthesis and characterization of silver nanoparticles using Amaranthus greacizans leaf extract and there antimicrobial activity, International Conference On Herbal Medicine And Neuroendocrinology (inChMan-2014), Apr 11-12, 2014, Department of zoology, , pp. 114-115. Annamalai University , Annamalai nagar. | |
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S.Ashokkumar and S.Ravi, Catalytic and dye degration of medicinal plant samples., International Conference on science and Technology For clean and Green Environmental (STCGE-2012)., Nov 12-13, 2012, Department of Zoology DDE Wing, pp. 123-123. Annamalai university, Annamalai Nagar . | |
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S. Ashokkumar, S.Ravi and M.Gayathiri, NMR spectral analysis of colchicine from Gloriosa superba.L, Proceedings of International conference on Molecular Spectroscopy of Advanced materials and Biomolecules (IMSAB-2012), Aug 7-9, 2012, Department of Physics, pp. 75-75. Bishop Moore College, Mavelikara, Kerala. | |
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9. V. Kathiravan, S. Ravi, S. Ashokkumar, S.Velmurugan, K.Elumalai., Green synthesis of silver nanoparticles using Trichodesma indicum leaf extract and characterization of their antimicrobial activity, International Conference On Herbal Medicine And Neuroendocrinology (inChMan-2014), Apr 10-12, 2012, Department of zoology, pp. 145-146. Annamalai University, Annamalai Nagar. | |
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S.Ashokkumar and S.Ravi, Green synthesis of Glorisa superba.L sample and optical properties, International Conference on Recent Trends Advanced Materials (ICRAM-2012), Mar 13-14, 2012, Department of physics , pp. 89-89. VIT University , Vellore. | |
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Ravi.S , M.Kamaraj and Narayanasamy .R, Radio activity analysis of beach sediment after tsunami samples in Nagapattinam district, Tamil Nadu, India, 94th Indian Science congress, Jan 3-7, 2007, Annamalai University, pp. 106-107. Annamalai University, Annamalai Nagar. | |
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Ravi.S ,Narayanasamy .R and S.Velmurugan, “Spectroscopic studies on the Aflatoxin B1 status of different groundnut kernels, 94th Indian Science congress, Jan 3-7, 2007, Annamalai University, pp. 105-106. Annamalai university, Annamalai nagar. | |
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Ravi.S ,Narayanasamy .R and Rajendran.S, Morphological structure and elemental analysis of different groundnut (Arachis hypogea L.). samples using SEM with EDX techniques, International Conference on Spectrophysics, Feb 9-12, 2005, Department of Physics, pp. 96-97. Pachaiyappa’s College, , Chennai. | |
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Ravi.S , Selvaraju.R and Narayanasamy .R, Spectral studies on Aflatoxin B1 status of different groundnut samples treated with various organic manure using 1H FT – NMR and TLC Techiques, International Congress of Indian Pharmacy Graduates 2003, Nov 8-9, 2003, Deparment of Pharmacology, pp. 112-112. Faculty of Engineering and Technology, Annamalai university. | |
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Ravi.S and Narayanasamy .R., Spectral studies on Aflatoxin B1 status of different groundnut samples treated with various organic manure using SEM with EDX and its techniques, International Seminar on “Globalization and sustainable development perspectives of digital revolution and Environmental Management, Aug 23-25, 2002, Department of Earth Sciences, pp. 123-124. Tamil university, Thanjavur. | |
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Ravi.S and Narayanasamy .R, FT – IR and UV spectral studies on Aspergillus flavus in groundnut, International symposium on mycotic infection in the 21st century, Jan 18-20, 2002, Department of Microbiology, pp. 140-141. Raja Muthiah Medical College and Hospital, Annamalai university. | |
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Ravi.S and Narayanasamy .R.. , FT – NMR spectral studies on the afla toxin status of different groundnut samples ( Arachis hypogea L.), International symposium on mycotic infection in the 21st century, Jan 18-20, 2002, Department of Microbilogy,RMMC&H, pp. 139-139. Faculty of medicine, Annamalai university. | |
