Second in Yasni Exposé of Umapathy Subramanian

PublicationsDr S Umapathy1. Second order Raman spectrum of carbon disulphide in the condensed phase S. Umapathy,K. Kesavasamy,N. Krishnamurthy Journal of Raman Spectroscopy 9 ; 144 - 149 (1980)2. Second order infrared absorption spectrum of carbon dioxide in the condensed phase S. Umapathy and N. KrishnamurthyCan. J. Phys. 60 314-320 (1982)3. Simulations on model for intermediate temperature solar coronal loops A. Shanmugaraju,S. Umapathy Astron. Soc. of India. Bulletin.23, 427 [1995]4. Constructional aspects of the analog part of a receiver for a solar radio spectrograph A. Shanmugaraju,S. UmapathyInd. J. Pure and App. Phys.33, 220-24 [1995]5. Design, constructional aspects and first results of a solar radio spectrograph A. Shanmugaraju,S. Umapathy Indian J. Radio Space Phys.25, 53 - 60 [1996]6. Radio spectrograph observations of the recent solar eclipse on October 24, 1995 A. Shanmugaraju,S. Umapathy Kodaikanal Obs. Bull.13,147 - 149 [1997]7. The Madurai solar radio spectrograph A. Shanmugaraju,S. Umapathy Bulletin of the Astronomical Society of India, 26, 305 [1998]8. Sonochemical initiation of vinyl polymerization of methacrylamide in the presence of peroxodisulphate T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.UmapathyJournal of Polymer Materials 14, 261 [1998]9. Initial results from the Madurai solar radio spectrograph A. Shanmugaraju,S. Umapathy, V. Balasubramanian,A. J. Selvanayagam,P. K. ManoharanSolar Physics.188, 155-162 [1999]10. Polymerization of acrylamide in the presence of ultrasound and peroxomonosulfate T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.Umapathy Journal of Polymer Science Part A: Polymer Chemistry36 (15), 2715-2719,[1998]11. Sonochemical initiation of vinyl polymerization of methacrylamide in the presence of peroxodisulfate Gopalan, A Vivekanandam, T S Vasudevan, T Umapathy, S Journal of Polymer Materials 15, 261-266. (1998)12. Polymerization of acrylamide in the presence of peroxodisulfate and ultrasound T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.Umapathy Polymer 40 (3), 807-811, [1999]13. On the Possibility of Radio Emission from Quasi-parallel and Quasi- perpendicular Propagation of Shocks A. Shanmugaraju,S. Umapathy Journal of Astrophysics and Astronomy,21, 259 [2000]14. Polymerization of methacrylamide in the presence of ultrasound and peroxomonosulphate T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.Umapathy Journal of Applied Polymer Science 76 (4), 524-529, [2000]15. Sonochemical cyclopolymerization of diallylamine T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.Umapathy European Polymer Journal 36 (2), 385-392, [2000]16. Characteristics of a type II solar radio burst on 22 March 1998 A. Shanmugaraju,S. Umapathy,V. Balasubramanian Solar Physics 201, 373-387 [2001]17. Observations of Solar Bursts Using the New Radio Spectrograph A. Shanmugaraju,S. Umapathy,V. Balasubramanian The Universe at Low Radio Frequencies, Proceedings of IAU Symposium 199, 432 [2002]18. Dependence of Thermal Diffusivity on Sonication Period in Poly (methyl acrylate) M. A. Jothi Rajan,T. S. Vivekanandam, N. Sankar,K. Ramachandaran,S. UmapathyJournal of Acoustical Society of India 31, 32 (2003)19. An Investigation of Solar Maximum Metric Type ii Radio Bursts: do two Kinds of Coronal Shock Sources Exist? Shanmugaraju, A.;Moon, Y.-J.;Kim, Y.-H.;Dryer, M. and Umapathy, S Solar Physics.215, 161-184 [2003]20. On the kinematic evolution of flare-associated cmes Shanmugaraju, A.;Moon, Y.-J.;Kim, Y.-H.;Dryer, M. and Umapathy, S Solar Physics.215, 185-201 [2003]21. Statistical Characteristics of CMEs and Flares Associated with Solar Type II Radio Bursts Shanmugaraju, A.;Moon, Y.-J.;Kim, Y.-H.;Dryer, M. and Umapathy, S Solar Physics 217, 301-317 [2003]22. Re-Evaluation of the Flare Type II CME Association Shanmugaraju, A.;Moon, Y.-J.;Kim, Y.-H.;Dryer, M. and Umapathy, S. Solar Physics 225, 141-155 [2004]23. Heat Transfer in Poly(methyl acrylate) by Photoacoustic Measurements M. A. Jothi Rajan, T. S. Vivekanandam, S. K. Ramakrishnan, K. Ramachandran, S. Umapathy Journal of Applied Polymer Science 93 (3), 1071-1076 [2004]24. Sonochemical cyclopolymerization of diallylamine in the presence of peroxomonosulfate T.S.Vivekanatham, A.Gopalan,T. Vasudevan, S.Umapathy Journal of Applied Polymer Science 98 ( 4), 1548-1553, [2005]25. Variation of Thermal diffusivity of PMA on Ultrasonication Period by Photoacoustic Measurements M. A. Jothi Rajan,T. S. Vivekanandam, S. Umapathy E-Journal of Non-Destructive Testing 9 No. 7, [2004]26. Construction of a Low Cost Photoacoustic Spectrometer for Characterization of Materials M. A. Jothi Rajan, Arockium Thaddeus, T. Mathavan, T. S. Vivekanandam, S. UmapathyMacromoleculular Symposia 222, 287-296,[2005]27. Multiple Type II Solar Radio Bursts Shanmugaraju, A.; Moon, Y.-J.; Cho, K.-S.; Kim, Y.-H.; Dryer, M. and Umapathy, S. Solar Physics 232, 87-103 [2005]Effects of Coronal Mass Ejection Associated with Eruptive Flares of the SunMujiber Rahman, A.; Umapathy, S. Bulletin of the Astronomical Society ofIndia 33, 367-367[2005]28.29. Origin of Coronal Shocks without Mass Ejections Shanmugaraju, A.; Moon, Y.-J.; Cho, K.-S.; Dryer, M. and Umapathy, S. Solar Physics 233, 117-127 [2006]30. The Measurement of Thermal Diffusivity in Poly(methyl acrylate) by Photoacoustic Technique M. A. Jothi Rajan,T. Mathavan,T. S. Vivekanandam, S. Umapathy Journal of Applied Polymer Science 100 (5), 3756-3760, [2006]31. Thermal Properties of PMMA/Montmorillonite Nanocomposites M. A. Jothi Rajan, T. Mathavan, A. Ramasubbu, Arockium Thaddeus, V. Fragrance Latha, T. S. Vivekanandam, S. Umapathy Journal of Nanoscience and Nanotechnology 16 No 12, 3993-3996, [2006]32. X-ray plasma ejections associated with coronal type II shocks Shanmugaraju, A.; Moon, Y.-J.; Kim, Y.-H.; Cho, K.-S.; Dryer, M.and Umapathy, S. Astronomy & Astrophysics 458, 653-659, [2006]33. Polymerization of Methyl Acrylate in the Presence of Ultrasound and Peroxodisulfate M. A. Jothi Rajan,T. Mathavan,T. S. Vivekanandam, S. Umapathy Published online by Wiley InterScience (JAPS) in 200834. Investigation of CME dynamics in the LASCO field of view Shanmugaraju, A.; Moon, Y.-J.; Cho, K.-S.; Gopalswamy, N. and Umapathy, S. Astronomy & Astrophysics 484,511-516 [2008]35. Sonochemical Synthesis of Poly(Methyl Acrylate) M. A. Jothi Rajan,T. Mathavan,T. S. Vivekanandam, S. Umapathy, V. Ganesan, G. S.Okram and Ajay Soni; Solid State Phenomena 136, 175-190 [2008]36. Type II bursts in Meter and Decameter-Hectometer Wavelength Ranges and their Relation to Flares and CMEs O.Prakash,S. Umapathy,A. Shanmugaraju and Bojan Vrsnak Solar Physics 258, 105-118 [2009]37. Effects of Source Position on the DH-Type II CME Properties, Shanmugaraju A, Moon, Y.-J, Cho, K.-S and Umapathy, S. Journal of the Korean Astronomical Society 42, 55-60 [2009]38. Investigation on Meter and Deca-Hecto meter Type II Radio Bursts and Associated Flares and CMEs O.Prakash,S. Umapathy A.Shanmugaraju and K.Suresh Bulletin of the Astronomical Society of India Accepted [2009]39. Characteristics of Coronal Mass Ejection associated with DH type II Radio Burst and Solar Energetic Particle Events P. Pappa kalaivani, S.Umapathy, A.Shanmugaraju, O.Prakash and S.Deepa Bulletin of the Astronomical Society of India Accepted [2009]40. Investigation of Metric Type II Radio burst associated with solar flares (with and without flare location) K.Suresh, S.Umapathy, A.Shanmugaraju and O.Prakash Bulletin of the Astronomical Society of India Accepted [2009]41. Quasi-periodic Oscillations in LASCO Coronal Mass Ejection Speeds A. Shanmugaraju, Y.-J. Moon, K.-S. Cho, S. C. Bong, N. Gopalswamy, S. Akiyama, S. Yashiro, S. Umapathy,and B. Vrsnak The Astrophysical Journal, 707:1–6, 200942. Synthesis and characterizations of nano-sized Ni(OH)2 and Ni(OH)2/poly(vinyl alcohol) nano composite M. Fathima Parveen,S. Umapathy,V. Dhanalakshmi, R. Anbarasan Journal of material science,44:5852–5860, 200943. Synthesis and Characterization of Nanosized Mg(OH)2 and its Nanocomposite with Poly(vinyl alcohol) M. Fathima Parveen,S. Umapathy,V. Dhanalakshmi, R. Anbarasan NANO Vol. 4, No. 3 (2009) 147–15644. The unusual electrical response in polyaniline–threonine composites T. Mathavan, S. Umapathy, M.A. Jothirajan, M. Fatima Parveen, T.S. Vivekanandam, Ajay Soni, G.S. Okram, V. Ganesan Mater Lett (2010), 64, 2009-201145. Type II Bursts in Meter and Decameter – Hectometer Wavelength Ranges and Their Relation to Flares and CMEs – Part II O. Prakash, S. Umapathy, A. Shanmugaraju, P. Pappa kalaivani and Bojan Vršnak Solar Physics, 2010. 266: 135-13746. Characteristics of coronal mass ejection associated with DH type II radio bursts (All and Limb events) P. Pappa Kalaivani • S. Umapathy • A. Shanmugaraju • O. Prakash Astrophysics and Space Science, 2010, 330: 237-24247. Coronal Shocks Associated with Impulsive and Decaying Phases of Solar Flares K. Suresh, S. Umapathy, A. Shanmugaraju and B. Vršnak Solar Physics, 2010, 264, 353-36448. Synthesis and characterizations of nano-sized Iron(II) Hydroxide and Iron(II) Hydroxide/poly(vinyl alcohol) nano composite M. Fathima Parveen,S. Umapathy,V. Dhanalakshmi, R. Anbarasan Journal of Applied Polymer Science, Vol. 118, 1728-1737 (2010)49. Synthesis and characterizations of Nano-sized Zn(OH)2 and Zn(OH)2/PVA Nano-composite M. Fathima Parveen, S. Umapathy,V. Dhanalakshmi, R. Anbarasan Composite Interfaces, 0, (2010), 1-18. DOI: 10.1163/092764410X51941750. Propagation Characteristics of Coronal Mass Ejections and their effects near earth A. Mujiber Rahman, P.K. Manoharan and S. Umapathy Indian Journal of Radio and Space Physics Vol.39, 276-279, October 201051. Characteristics of type-II solar radio bursts meter and deca-hectometer wavelengths. O. Prakash · S. Umapathy · A. Shanmugaraju · P. Pappa kalaivani · E. Ebenezer, Indian Journal of Radio and Space Physics, 40, pp 11-20, 2011.52. Studies on some properties of Coronal Mass Ejections based on angular width M. Anna Lakshmi, S. Umapathy, O. Prakash, V. Vasanth, Astrophysics and Space Science, Astrophysics and Space Science, 335, 373-378 (2011)53. Thermal and Electrical Properties of Polyaniline-glycine Composites. T. Mathavan , S. Umapathy, M. A. Jothirajan, T. S. Vivekanandam and G. S. Okram, AIP Conf. Proc. 1349, 1315-1316 (2011); doi: 10.1063/1.360635254. Characteristics of DH type II bursts, CMEs and Flares with Respect to the Acceleration of CMEs. O. Prakash. S. Umapathy. A. Shanmugaraju. P. Pappa kalaivani, Bojan Vršnak. Astrophysics and Space Science, 2011 [Accepted].55. Eosin Yellowish Dye Sensitized TiO2 Solar Cell With PEG/PEO/LiI/I 2 As Electrolyte S.S. Kanmani*, S. Umapathy and K. Ramachandran, DAE Solid State Symposium, SRM University, 2011 [Accepted].56. ZnO Nanorods/SnO 2 Nanoparticles Based Composites: Synthesis And Characterization R.N. Mariammal*, C. Stella, S.S. Kanmani, S. Umapathy and K. Ramachandran DAE Solid State Symposium, SRM University, 2011 [Accepted].57. Characteristics of Type II Radio Bursts Associated with Flares and CMEs V. Vasanth, S. Umapathy, Bojan Versnak and M. Anna Lakshmi Solar Physics, 273, 143–162 (2011)58. Preparation and characterization of amino acids doped PANI, T. Mathavan, S. Umapathy, and M. A. Jothirajan, J. Pure Appl. & Ind. Phys. 1, 147 (2011)59. On the optical and thermal properties of in situ/ex situ reduced Ag NP’s/PVA composites and its role as a simple SPR-based protein sensor, A. Nimrodh Ananth, S. Umapathy, J. Sophia, T. Mathavan, and D. Mangalaraj, Appl Nanosci 1, 87–96, (2011)60. Two types of CMEs associated with DH-type-II radio bursts, O. Prakash. S. Umapathy. A. Shanmugaraju and Bojan Vršnak, Solar Physics [Accepted]61. Long wavelengths type II radio bursts and their relation to flares and CMEs, O. Prakash. S. Umapathy. A. Shanmugaraju. P. Pappa kalaivani. and M. Anna Lakshmi, Journal of Astronomy and astrophysics, (In Press) (2011)62. Characteristics of CMEs associated with solar flares and DH type II radio bursts based on source position, M. Anna Lakshmi, S. Umapathy, Astrophys Space Sci., DOI10.1007/s10509-011-0949-6 (2011)63. PVA and BSA stabilized silver nanoparticles based surface enhanced plasmon resonance probes for protein detection, A.Nimrodh Ananth, S.C.G. KirubaDaniel, T. Anitha Sironmani and S. Umapathy, Colloids and Surfaces B:Biointerfaces 85 (2011) 138-14464.Eosin Yellowish Dye Sensitized ZnO Nanostructures Based Solar CellsEmploying Solid PEO Redox Couple ElectrolyteS.S. Kanmani, K. Ramachandran, and S. Umapathy,International Journal of Photoenergy, 2011[Accepted]Communicated1. Investigations on Polyaniline-histidine Composites, Presented in Solid State Physics, AIP Conf. Proc., (Communicated) T. Mathavan, S. Umapathy, I. Suganya, M.A. Jothirajan.2. Synthesis And Characterization of Poly (N-Methylaniline) Microfibrillar Structure, AIP Conf. Proc., (Communicated), T. Mathavan, K. Gangadevi, B. Hanitha, S. Umapathy, S.Rajakarthihan, M.A. Jothirajan.3. Studies on solar flare parameters associated with coronal mass ejections during 23rd and 24th solar cycle minima, M. Anna Lakshmi, S. Umapathy, Indian Journal of Radio & Space Physics, 2011, Communicated4. Characteristics of CMEs, ICMEs, IP shocks associated with metric and DH type II bursts, A. Mujiber Rahman, S. Umapathy and A. Shanmugaraju, Journal of Atmospheric and Solar Terrestrial Physics 2011 [Under review].5. Type-II radio bursts associated flares and Geo effective CMEs: O. Prakash. S. Umapathy. A. Shanmugaraju and Bojan Vršnak, [communicated) Journal of Geophysical Research.6. Solar and Interplanetary characteristics of CMEs associated with Metric and DH type II bursts , A. Mujiber Rahman, A. Shanmugaraju, S. Umapathy and Y. -J. Moon Submitted to Solar Physics (under review)Papers presented in conference:1. Studies on some properties of narrow CMEs during 23rd and 24th solar cycle minima, M. Anna Lakshmi, S. Umapathy, O. Prakash, V. Vasanth3rd Indo-China workshop on Solar Physics and 1st Asia-Pacific Solar PhysicsMeeting, March 21-25, 2011, Indian Institute of Astrophysics, Bangalore.2. Characteristics of the type II bursts and their relation to flares and CMEs, O. Prakash. S. Umapathy. A. Shanmugaraju. P. Pappa kalaivani, 3rd Indo-China workshop on Solar Physics and 1st Asia-Pacific Solar PhysicsMeeting, March 21- 24, 2011, Indian Institute of Astrophysics, Bangalore.3. The Characteristics Investigation on Type-II Bursts associated with Fast and Slow CMEs.V. Vasanth, S. Umapathy, O. Prakash, M. Anna Lakshmi3rd Indo-China workshop on Solar Physics and 1st Asia-Pacific Solar PhysicsMeeting, March 21-24, 2011, Indian Institute of Astrophysics, Bangalore.4. Coronal mass ejections and their effects in the near earth medium, A. Mujiber Rahman, S. Umapathy and P.K. Manoharan, National Conference on Emerging Trends in Physics, Arul Anandhar College, Karumathur, during 22-23, September2005.5. Coronal Mass Ejections and their effects at Earth during the last solar maximum period, A. Mujiber Rahman, S. Umapathy , P.K. Manoharan and A. Shanmugaraju, INDO-CHINESE Workshop on Recent advances in Solar Physics,Indian Institute of Astrophysics, Bangalore, during 7-11, November, 2005.6. Propagation characteristics of Coronal Mass Ejections and their effects at the near- Earth environment, A. Mujiber Rahman, S. Umapathy and P.K. Manoharan, 10thYoung Astronomers Meet, held at Indian Institute ofAstrophysics, Bangalore,during 3-5, January, 2007.7. Propagation Characteristics of Coronal Mass Ejections and their effects at the near- Earth environment, A. Mujiber Rahman, P.K. Manoharan and S. Umapathy,International Heliophysical Year (IHY)Workshop on 'Super Active Regions ofSolar Cycle 23 and their Geospaceimpact', held at ARIES, Nainital, during 7-10, May 2007.8. A Prominence eruption on 29 July 2004 and its consequences in the interplanetary medium, A. Mujiber Rahman, P.K. Manoharan and S. Umapathy, 3rd INDO- CHINESE Workshop and 1st Asia-Pacific Meeting on Solar Physics, held at IIA,Bangalore during March 21-24, 20119. Investigations on the formation of colloidal gold nanoparticles in chitosanaqueous solution under ambient conditionsP. K. Abhilash, A. Nimrodh Ananth, S. Umapathy and T. MathavanPresented in Third International Conference on the Frontiers in Nanoscience andTechnology (Cochin Nano – 2011) at Cochin, August 14-17, 201110.Synthesis and Characterization of PVP/Cs-Au/n-HA hybridnanocompositeM. Balaji, A. Nitthin Ananth, S. Umapathy and T. MathavanPresented in Third International Conference on the Frontiers inNanoscience and Technology (Cochin Nano – 2011) at Cochin, August14-17, 201111.Light scattering investigations on adsorption of Au nanoparticles onchitosan latex and its behaviourA.Nimrodh Ananth, S. Umapathy, Goutam Ghosh and S. BhattacharyaPresented in Third International Conference on the Frontiers in Nanoscience andTechnology (Cochin Nano – 2011) at Cochin, August 14-17, 201112.Cs / Au nanocomposite film as an effective SPR sensor towards someserious contaminantsM. Karthigai Priya, A. Nimrodh Ananth, S. Umapathy and M. A. Jothi RajanPresented in Third International Conference on the Frontiers in Nanoscience andTechnology (Cochin Nano – 2011) at Cochin, August 14-17, 201113.Synthesis and Adsorption study of gold nanoparticles by chitosan latexA.Nimrodh Ananth, S. Umapathy, S. Bhattacharya and Goutam GhoshPresented in International Conference on Advanced Materials andNanotechnology (ICAMN-2011) at Kathmandu, Nepal, October 21-23, 201114. Nanomaterials for Spacecraft and thermal applications, T. Mathavan, M.A. JothiRajan and S.Umapathy 28th October, 2005, ISRO , Bangalore.15. Photoacoustic technique an efficient NDT&E tool for thermal diffusivity measureemnts., T. Mathavan, M.A. JothiRajan and S. Umapathy Acoustical Society of India, 14-16th December, 2005, Bangalore.16. National Symposium of Acoustical Society of India, T. Mathavan, M.A. J othiRajan and S. Umapathy 14-16th December, 2005, Bangalore.17. Thermal properties of Polymer/Clay nanocomposites, ICMAT 2005 (International conference on Materials for Advanced Technologies ) – Singapore, 3-8 July 2005, T. Mathavan, M.A. JothiRajan and S. Umapathy.18. A Novel Biomolecule Protonated Polymer: Synthesis and Characterization, Presented in ICMAT 2007 held from 01-06 July 2007 at Singapore, M.A. Jothi Rajan, T. Mathavan, T.S. Vivekanandam and S.Umapathy.19. Ultrasonic studies of NN’Methylene Bis-acrylamide in water, National Symposium on Acoustics, Rishikesh, Dehradun, India, November 11-13, 2010, T. Mathavan, S.Umapathy, M.A.Jothi Rajan, A. Alfred Nobel Antony, X.Dolour Selvarajan, J.Hakkim, V.Stephen Raja, T.S.Vivekanandam.20. Ultrasonic investigations og PEG (400) in Toluene-Clay mixture, National Symposium on Acoustics, Rishikesh, Dehradun, India, November 11-13, 2010, T. Mathavan, S.Umapathy, M.A.Jothi Rajan, M. Megala, T.S.Vivekanandam.21. Determination of ultrasonic interaction parameter for Poly (acrylic acid) in water, National Symposium on Acoustics, Rishikesh, Dehradun, India, November 11-13, 2010 T. Mathavan, S.Umapathy, M.A.Jothi Rajan, B.Valarmathi, T.S.Vivekanandam.22. Ultrasonic investigations of n-methylpyrrolidone in 1-propanol, National Symposium on Acoustics, Rishikesh, Dehradun, India, November 11-13, 2010, T. Mathavan, S.Umapathy, M.A.Jothi Rajan, S.Gokila, M.Abirami, S.K.Dravida Selvi, R.Hemalatha, T.S.Vivekanandam.23. Thermal And Electrical Properties Of Polyaniline-glycine Composites, Presented in Solid State Physics, Proceedings of the 55th DAE Solid State Physics Symposium 2010 held from 26-30 December 2010 at Manipal, India. Authors: T.Mathavan, S.Umapathy, M.A. Jothi Rajan, T.S. Vivekanandam and G.S. Okram.24. Investigations on Polyaniline-histidine Composites, Presented in Solid State P hysics, Proceedings of the 56th DAE Solid State Physics Symposium 2011 held from 19-24 December 2011 at SRM University, Kattankulathur, TN, India T.Mathavan, S. Umapathy, I. Suganya, M.A. Jothirajan.25. Synthesis And Characterization of Poly (N-Methylaniline) Microfibrillar Structure, Presented in Solid State Physics, Proceedings of the 56th DAE Solid State Physics Symposium 2011 held from 19-24 December 2011 at SRM University, Kattankulathur, TN, India, T. Mathavan, K. Gangadevi, B. Hanitha, S. Umapathy,S.Rajakarthihan, M.A. Jothirajan.26. Chitin–A Promising Biopolymer for curing Coronary Heart Disease - Presented in ICMMB – 15, 6 – 8 December 2006, Singapore. M.A. Jothi Rajan, T.Mathavan, V.Ganesan, Arockiam Thaddeus, Fragrance Latha, T.S.Vivekanandam, P. S.Dhandapany and S.Umapathy.27. Photoacoustic Spectroscopy – A novel characterization technique in the nano r ange– Presented in 2nd Vienna International conference on Micro and Nano Technology, 14 – 16 March 2007, Vienna, Austria. M.A. Jothi Rajan, T.Mathavan, T.S.Vivekanandam, and S.Umapathy.28. The Nano Divide: Fictions, Facts and Bioethical concerns” - Presented in ICMAT 2007, 01-06 July 2007, Singapore. M.A. Jothi Rajan, T.Mathavan, Arockiam Thaddeus, V.Fragrance Latha, T.S.Vivekanandam, S.Umapathy and B Mathialagan.29. Sonochemical Synthesis of Poly (Methyl Acrylate) - Presented in ICMAT 2007, 01-06 July 2007, Singapore. M.A. Jothi Rajan, T.Mathavan, T.S.Vivekanandam, and S.Umapathy.