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S. Radhakrishnan
Visiting Research
Fax:	+82-64-751-3710
Email:	radhakrishnan@jejunu.ac.kr
Mailing Address:D130, Nano Materials & System Lab
Engineering Building-4,
Jeju National University,
Ara-1-dong, Jeju-si, Jeju-do,
Republic of Korea, 690-756

Biosketch | Research Area | Publications | Honors & Awards


  • Visiting Scholar in Nano Materials & System Lab, Department of Mechanical Engineering, Jeju National University, Jeju, South Korea, 2013 to present.
  • Ph.D in Bioelectronics-Chemistry, Department of Bioelectronics, Alagappa University, Karaikudi, India 2009.
  • Project Staff in Central Electrochemical Research Institute (CECRI), Karaikudi, India, 2007-2009.
  • Master Degrees in Chemistry, Vivekananda College, Madurai Kamaraj University, Madurai, India, 2005-2007
  • Bachelor Degrees in Chemistry, Rajapalayam Raju¡¯s College, Madurai Kamaraj University, India, 2002-2005.

Research Area

  • Nanomaterials for Electrochemical Biosensor Applications
  • Self-Assembled Monolayers (SAM)


  1. A highly sensitive electrochemical sensor for nitrite detection based on Fe2O3 nanoparticles decorated reduced graphene oxide nanosheets¡±, S. Radhakirshnan, K. Karthikeyan, C. Sekar, J. Wilson, S.J. Kim, Applied Catalysis B: Environmental, 2014,148-149, 22-28.
  2. Supercapacitive properties of hydrothermally synthesized sphere like MoS2 nanostructure¡± K. Karthikeyan, V. Ganesh Kumar, S. Radhakrishnan, S.J. Kim, Materials Research Bulletin, 2014, 50, 499-502.
  3. Polypyrrole-poly(3,4-ethylenedioxythiophene)-Ag (PPy-PEDOT-Ag) nanocomposite films for label-free electrochemical DNA sensing¡± , S. Radhakrishnan, C. Sumathi, A. Umar, S.J. Kim, J. Wilson, V. Dharuman,. Biosensors and Bioelectronics, 2013, 47, 133-140.
  4. Fabrication of Cr doped SnO2 nanoparticles based biosensor for the selective determination of riboflavin in pharmaceuticals¡± N. Lavanya, S. Radhakrishnan, C. Sekar, M. Navaneethan, H. Hayakawa, Analyst, 2013, 138, 2061-2067.
  5. Polypyrrole nanotubes-polyaniline composite for DNA detection using methylene blue as intercalator¡± S. Radhakrishnan, C. Sumathi, V. Dharuman, J. Wilson,. Analytical Methods, 2013, 5, 1010-1015.
  6. Gold nanoparticles functionalized poly(3,4-ethylenedioxythiophene) thin film for high sensitive label free DNA detection¡± S. Radhakrishnan, C. Sumathi, V. Dharuman, J. Wilson, Analytical Methods, 2013, 5, 684-689.
  7. Fabrication of hydrogen peroxide biosensor based on Ni doped SnO2 nanoparticles¡± N. Lavanya, S. Radhakrishnan, C. Sekar, Biosensors and Bioelectronics, 2012, 36, 41-47.
  8. Polypyrrole-polyaniline-Au (PPy-PANi-Au) nanocomposite films for label-free DNA sensing¡± J. Wilson, S. Radhakrishnan, C. Sumathi, V. Dharuman, Sensors and Actuators B, 2012, 171-172, 216-222.
  9. Sensitive label-free electrochemical DNA hybridization detection in the presence of 11-mercaptoundecanoic acid on the thiolated single strand DNA and mercaptohexanol binary mixed monolayer surface¡± V. Dharuman, K. Vijayaraj, S. Radhakrishnan, T. Dinakaran, J. Shankara narayanan, M. Bhuvana, J. Wilson, Electrochimica Acta, 2011, 56, 8147-8155.
  10. Synthesis of polyethylene glycol assisted tungsten oxide nanoparticles for L-dopa biosensing applications¡± V. Hariharan, S. Radhakrishnan, M. Parthibavarman, R. Dhilipkumar, C. Sekar,. Talanta, 2011, 85, 2166-2174.
  11. Performance of phosphoric acid doped polyaniline as electrode materials for aqueous redox supercapacitor¡± S. Radhakrishnan, R. Muthukannan, U. Kamatchi, Chepuri R.K. Rao, M. Vijayayan,. Indian Journal of Chemistry, 2011, 50A, 970-978.
  12. Performance of conducting polyaniline-DBSA and polyaniline-DBSA/Fe3O4 composites as electrode materials for aqueous redox supercapacitors¡± S. Radhakrishnan, Chepuri R.K. Rao, M. Vijayan, Journal of Applied Polymer Science, 2011, 122, 1510-1518.
  13. Organically soluble bifunctional polyaniline-magnetite composites: sensing and supercapacitor property¡± S. Radhakrishnan, Chepuri R.K. Rao, M. Vijayan,. Electrochemical Solid-State Letters, 2009, 12(4), A84-A87.
  14. Electrochemical synthesis and studies on polypyrroles doped by renewable dopant CAPSA derived from cardanol from cashew nutshells¡± S. Radhakrishnan, Chepuri R.K. Rao, M. Vijayan,. Journal of Applied Polymer Science, 2009, 114, 3125-3131.

Conference Presentations

  1. Gold nanoparticles decorated poly (3.4-ethylenedioxy thiophene) thin film for high sensitive label-free electrochemical DNA sensor¡±, National Conference on Recent Advancements in Textile and Electrochemical Science-2012 (RATES-2012) at Alagappa University, Karaikudi, India, March 22-23th 2012 (Oral).
  2. High sensitive DNA detection using gold nanoparticle functionalized poly (3,4-ethylenedioxythiophene) film¡±, National Conference on Recent Advancements in Nanomaterials for Sensor Applications (NANOSE-12) at Alagappa University, Karaikudi India, March 8-9th 2012. (Oral)
  3. DNA hybridization electrochemical biosensor using a functionalized polypyrrole¡±, Sixteenth National Convention on Electrochemists (NCE-16), at P.S.G.R. Krishnammal college for Women, Coimbatore, India, December 15-16th 2011. (Poster)
  4. Sudies on Super capacitative properties of polyaniline-magnetite composites¡±, National conference on Recent Advances in Nanotechnology and Biosensors (NCNB-2011) at Alagappa University, Karaikudi, India, 3-4th March 2011. (Oral)
  5. Electrochemical synthesis and studies of polypyrroles doped by new amphiphilic molecule derived from Cashew Nutshells¡±, Nation Seminar on Frontier in Nanomaterials and Biosensors (NSFNMB-2010), Alagappa University, Karaikudi, India, 4-5th March 2010. (Oral)
  6. Characteristics of directly electrodeposited Polyaniline-sulphonic acid electrode for supercapacitor application¡±, International conference on Electrochemical power system (ICEPS-2008), at Mascot Hotel, Thiruvananthapuram, Kerala, India, November 26-28th 2008. (Poster)
  7. Preparation and Properties of poly(pyrroles) synthesized in presence of surfactants with different Oxidants¡± National Convention on Electrochemistry (NCE-14), IGCAR, Kalpakkam, India, 6-7th December 2007. (Poster)

Honors & Awards

  • Indo-Korea Research Internship Fellowship - 2013
  • Best Oral Presentation Award - 9th Tamil Conference on Science, September, 2009