​
62. J, Prabhu.; K. Velmurugan.; R, Nandhakumar*. A Ratiometric Chemosensor for Nickel Ion Detection and its Bioimaging. Fifth National
Conference on Advanced Functional Materials and Applications (NCAFMA – 2017), Department of Chemistry, Kalasalingam
University, Virudhunagar, TamilNadu, India, March 30-31, 2017. POSTER – PP37
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61. J, Prabhu.; K. Velmurugan.; R, Nandhakumar*. Organic Fluorescent materials for selective detection of silver and its
applications. National Conference on Recent Advances in the applications of Mascromolecular materials (RAAMM – 2017), Department
of Chemistry, The Gandhigram Rural Institute, Gandhigram, Dindigul – 624 302, TamilNadu on March 2-3, 2017. POSTER – PP 20.
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60. J, Prabhu.; K. Velmurugan.; R, Nandhakumar*. Colorimetric and Fluorimetric Detection of Silver. National Conference on Advanced
Functional Materials and their Applications in Engineering (NCAFMAE 2017), Department of Science and Humanities, Dr. NGP Institute
of Technology, Coimbatore – 641 048, TamilNadu on January 25, 2017, ORAL – 46.
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59. R, Nandhakumar*.; K, Velmurugan.; J, Prabhu.; N, Bhuvanesh.; S, Suresh.; Lijun, Tang*. Benzimidazole-based fluorescent sensor: rapid
and highly selective relay recognition of copper and sulfide ions in water. International Conference on Functional Materials (ICFM –
2016), Center for Scientific and Applied Research, PSN College of Engineering and Technology, Tirunelveli – 627152, TamilNadu on
September 7-10, 2016. POSTER – P72.
58. N, Bhuvanesh.; A, Felix, Prakash.; K, Velmurugan.; S, Suresh R, Nandhakumar*. Graphene based Organic Nanocomposites as
Fluorescent Chemosensors for Chromium ion and Its Antibioflim Studies. International Conference On Materials For Sustainable Future
(ICMSF 2016), Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur – 613 401, TamilNadu on
July 14–15, 2016. POSTER – 73.
57. R, Nandhakumar*.; K, Velmurugan.; J, Prabhu.; N, Bhuvanesh.; S, Suresh. Multi-analyte, Ratiometric and Relay Recognition of a 2,5-
diphenyl-1,3,4-oxadiazole-based Fluorescent Sensor Through Modulating ESIPT. International Conference On Materials For Sustainable
Future (ICMSF 2016), Department of Chemistry, School of Chemical and Biotechnology, SASTRA University, Thanjavur – 613 401,
TamilNadu on July 14–15, 2016. POSTER – 72. (Best Presentation Award)
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56. R, Nandhakumar*.; K, Velmurugan.; J, Prabhu.; N, Bhuvanesh.; S, Suresh. Synthesis, antibacterial, anti-oxidant and molecular docking
studies of imidazoquinolines. Two day National Conference on “Advances in Environmental, Synthetic and Medicinal Chemistry,
Department of Chemistry, Karpagam University, Coimbatore, TamilNadu, India, April 6-7, 2016, POSTER – MC-011.
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55. J, Prabhu,; K, Velmurugan.; R, Nandhakumar*. Effect of Positional isomers for selective sensing of Ag+ ions via fluorimetric and electrochemical behaviours.Two day National Conference on “Advances in Environmental, Synthetic and Medicinal Chemistry,
Department of Chemistry, Karpagam University, Coimbatore, TamilNadu, India, April 6-7, 2016, ORAL – SC – 009.
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54. A. Felix Prakash,; N, Bhuvanesh.; K, Velmurugan.; S, Suresh,; R, Nandhakumar. Graphene based Organic Nanocomposites as
Fluorescent Chemosensors for Silver ion. 8th Bangalore India Nano, Bangalore, Karnakata, India, March 3-4, 2016, POSTER – 41.
​
53. N, Bhuvanesh.; K, Velmurugan.; R. Vickram,; R, Nandhakumar. Quinoline based fluorescent chemosensor for silver ions. International Conference on Energy, Environment and Engineerig (ICEEE-2016), Coimbatore Institute of Technology (CIT), Coimbatore,
Tamilnadu, India, Feb 29, March 1-2, 2016, ORAL – ICEEE-2016-199.
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52. A. Felix Prakash,; N, Bhuvanesh.; K, Velmurugan.; S, Suresh,; R, Nandhakumar. Graphene-Rhodamine composites: Fluorescent
Chemosensor for Metal ions.International Conference on Energy, Environment and Engineerig (ICEEE-2016), Coimbatore Institute of
Technology (CIT), Coimbatore, Tamilnadu, India, Feb 29, March 1-2, 2016, ORAL – ICEEE-2016-318.
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51. N, Bhuvanesh.; K, Velmurugan.; S, Suresh,; R, Nandhakumar*. A grapheme-Organic Composite as a Fluorescent Chemosensor for Ag+. International Conference on Nanomaterials and Nanotechnology (NANO – 2015), KSR Institute, Namakkal, Tamilnadu, India,
December 7-10, 2015, POSTER – 685.
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50. S, Suresh,; K, Velmurugan,; N, Bhuvanesh,; R, Nandhakumar*. Pyrene derived Fluorescent Chemosensor for Al3+ in Aqueous
media. National Conference on Recent Trends in Bio-inorganic and Organometallic Chemistry (NCBOC – 2015), Sri Shakthi Institute
of Engineering and Technology, Coimbatore, TamilNadu, India, October 15-17, 2015, ORAL – 26.
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49. Jeyaraj, Prabhu.; Krishnaswamy, Velmurugan.; Raju, Nandhakumar*, Pyrene based ratiometric fluorescent Chemosensor: Selective recognition of Ni2+ ion and its bio imaging. National Conference on Recent Trends in Bio-inorganic and Organometallic Chemistry
(NCBOC – 2015), Sri Shakthi Institute of Engineering and Technology, Coimbatore, TamilNadu, India, October 15-17, 2015, ORAL –
30.
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48. S, Suresh,; K, Velmurugan,; N, Bhuvanesh,; R, Nandhakumar,* A simple chalcone based fluorescence enhanced chemosensor for
Al3+ ion detection in aqueous media.10th Mid-Year CRSI Symposium in Chemistry, Department of Chemistry, NIT Trichy and
Bharathidasan University, Trichy, TamilNadu, India, July 23-25, 2015. POSTER – PP38
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47. J, Prabhu,; K, Velmurugan,; R, Nandhakumar,* Chalcone base ratiometric sensor for nickel ion and its bioimaging
applications. 10th Mid-Year CRSI Symposium in Chemistry, Department of Chemistry, NIT Trichy and Bharathidasan University,
Trichy, TamilNadu, India, July 23- 25, 2015. POSTER – PP122
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46. K, Velmurugan,; J, Prabhu,; R, Nandhakumar,* Pyrene pyridine-conjugate as Ag Selective Fluorescence Chemosensor. 10th Mid-Year
CRSI Symposium in Chemistry,Department of Chemistry, NIT Trichy and Bharathidasan University, Trichy, TamilNadu, India, July
23-25, 2015. POSTER – PP270
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45. R. Vickram, K. Velmurugan, N. Bhuvanesh and R. Nandhakumar* Dimeric Quinoline Schiff base fluorescent chemosensor for Pb2+-
ion. National Conference on Recent Advances in Chemical Sciences – RACS – 15, Department of Chemistry, Gandhigram Rural
Institute, Dindugal, Tamilnadu, India, march 5-6, 2015. ORAL – OP-33
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44. G. Prabakaran, K. Velmurugan, S. Suresh and R. Nandhakumar* Salicylaldehdye based Fluorescent Chemosensor for Detection of
Cu2+ ions in aqueous media.National Conference on Recent Advances in Chemical Sciences – RACS – 15, Department of Chemistry,
Gandhigram Rural Institute, Dindugal, Tamilnadu, India, march 5-6, 2015. ORAL – OP-21
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43. K. Velmurugan, J. Prabhu and R. Nandhakumar*, The selective detection of silver and carbonate ions using a diurylpyrene appended
Binol chemosensor. National Conference on Recent Advances in Chemical Sciences – RACS – 15, Department of Chemistry,
Gandhigram Rural Institute, Dindugal, Tamilnadu, India, march 5-6, 2015.ORAL – OP-3
42. Derin Don, K. Velmurugan, G. Prabhakaran, J. Prabhu and R. Nandhakumar* Single Sensor for dual analytes: chemosensor for selective detection of Aluminium and Bisulfite ions based on a Simple Chalcone. National Seminar on Advances in Materials Chemistry –
ADMAC, Christian College, Chengannur, Kerala, October 15-17, 2014.ORAL – OP-17
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41. R. Nandhakumar, K. Velmurugan and Lijun Tang, Fluorescent recognition of pyrophosphate in aqueous media by an effective
chemosensing ensemble. National Conference on Advancement in Materials Science, Department of Chemistry, Coimbatore
Institute of Technology, Coimbatore, India, September 26-27, 2014. POSTER – P 04
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40. S. Suresh, K. Velmurugan, N. Bhuvanesh and R. Nandhakumar, Highly selective “turn on” fluorescent chemosensor for Pb2+ based on
a Pyrene derivative. National Conference on Advancement in Materials Science, Department of Chemistry, Coimbatore Institute
of Technology, Coimbatore, India, September 26-27, 2014. POSTER – P-05
​
39. Derin Don, K. Velmurugan, G. Prabhakaran and R. Nandhakumar, Development of an Aluminium sensor based on a simple
chalcone. National Conference on Advancement in Materials Science, Department of Chemistry, Coimbatore Institute of
Technology, Coimbatore, India, September 26-27, 2014. ORAL – OA-03
​
38. J. Prabhu, K. Velmurugan, R. Vickram and R. Nandhakumar, A Simple Chalcone based fluorescent enhanced chemosensor for
Pb2+ ion detection in aqueous media.National Conference on Advancement in Materials Science, Department of Chemistry,
Coimbatore Institute of Technology, Coimbatore, India, September 26-27, 2014. ORAL – OD-05
​
37. K. Velmurugan, J. Prabhu and R. Nandhakumar, A fluorescent chemosensor based on a BINOL-PYRENE Congjugate for silver
ion. National Conference on Advancement in Materials Science, Department of Chemistry, Coimbatore Institute of Technology,
Coimbatore, India, September 26-27, 2014. ORAL – OB-07
36. Raju, Nandhakumar,* Krishnaswamy, Velmurugan. Benzimidazole-based quinazoline derivative for highly selective sequential
recognition of Cu2+ and CN-. Third National Conference on Advanced Functional Materials and Applications (NCAFMA –
2014), Department of Chemistry and Center for Nanotechnology, Kalasalingam University, Virudhunagar, TamilNadu, India, March
21-22, 2014. POSTER – PP25
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35. Krishnaswamy, Velmurugan.; Jeyaraj, Prabhu.; Raju, Nandhakumar*, Quinoline-Imidazole based fluorescent sensors for the
detection of metal ions in aqueous media. Third National Conference on Advanced Functional Materials and Applications (NCAFMA –
2014), Department of Chemistry and Center for Nanotechnology, Kalasalingam University, Virudhunagar, TamilNadu, India, March
21-22, 2014. ORAL – OP16
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34. Krishnaswamy, Velmurugan.; Jeyaraj, Prabhu.; Raju, Nandhakumar*, Quinoline-Imidazole conjugates as Fluorescent Chemosensors
for metal ions. III National Conference on “Innovations in Chemistry – Health and Energy” (iCHEM HE 2014), Karunya University,
Coimbatore, India, February 6-8, 2014, ORAL - 17
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33. S, Suresh.; M, Saranya.; K, Velmurugan.; R, Nandhakumar,* Fluorescent sensing of Ag+ -ion by an anthracence based Chalcone. III
National Conference on “Innovations in Chemistry – Health and Energy” (iCHEM HE 2014), Karunya University, Coimbatore, India,
February 6- 8, 2014, POSTER - 38
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32. S, Mathankumar.; S, Amudha.; K, Velmurugan.; R, Nandhakumar,* Naphthalene based fluorescent chemosensor for detection of
Al3+ in aqueous media. III National Conference on “Innovations in Chemistry – Health and Energy” (iCHEM HE 2014), Karunya
University, Coimbatore, India, February 6-8, 2014, POSTER - 24
​
31. Raju, Nandhakumar.;* Krishnaswamy, Velmurugan, Enantioselective Recognition of 1,2-Amino Alcohols by a Chiral Dimeric Binol
based Receptor. International Conference on “Chemistry – Frontiers & Challenges”, PSGR Krishnammal College for Women,
Coimbatore, India, February 5-7, 2014. POSTER – P17
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30. Krishnaswamy, Velmurugan.; Jeyaraj, Prabhu.; Raju, Nandhakumar*, A new quinoline-benzimidazole conjugate for the highly
selective detection of Zn(II) by dual colorimetric and fluorescent turn-on responses. International Conference on “Chemistry – Frontiers
& Challenges”, PSGR Krishnammal College for Women, Coimbatore, India, February 5-7, 2014. ORAL – O14
​
29. Jeyaraj, Prabhu.; Krishnaswamy, Velmurugan.; Raju, Nandhakumar*, A highly selective ratiometric fluorescent chemosensor for
Al3+ in aqueous media. International Conference on “Chemistry – Frontiers & Challenges”, PSGR Krishnammal College for Women,
Coimbatore, India, February 5-7, 2014. ORAL – O22
​
28. Saravanan, Santhoshkumar.; Krishnaswamy, Velmurugan.; Shanmugam, Suresh.; Raju, Nandhakumar*, Fluorescent chemosensor
for selective detection of iron: discrimination of Fe2+ from Fe3+ in aqueous media. International Conference on “Chemistry – Frontiers &
Challenges”, PSGR Krishnammal College for Women, Coimbatore, India, February 5-7, 2014. POSTER – P78
​
27. Derin, Don.; Krishnaswamy, Velmurugan.; Raju, Nandhakumar*, Synthesis, characterization and antimicrobial activity of Imidazole
based quinoline derivatives.International Conference on “Chemistry – Frontiers & Challenges”, PSGR Krishnammal College for
Women, Coimbatore, India, February 5-7, 2014. ORAL – O3
​
26. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, A pyrene Pyridine conjugate for Flourescent Recognition of
Ni2+ ion in Aqueous Media. 3rdInternational Science Congress (ISC – 2013), Karunya University, Coimbatore, India, December 8-
9, 2013. ORAL – ISCA-ISC—2013-4CS-18
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25. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A new bisbinaphthyl based enantioselective Fluorescent
recognition for α-Hydroxycarboxylic Acids. 3rd International Science Congress (ISC – 2013), Karunya University, Coimbatore, India,
December 8-9, 2013. ORAL – ISCA-ISC—2013-4CS-17
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24. One Day Workshop on Chromatography and Spectroscopic Techniques in association with Agilent Technologies, New
Delhi, Department of Chemistry, Karunya University, Coimbatore, India, October 10, 2013
​
23. Jipsa, C. V.; K, Velmurugan.; R, Nandhakumar.; T, Sakthivel.; V, Gunasekaran*, graphdiyne nanothin film for electonic
application. National Symposium on Nanoscience and Nanotechnology – (nsnn-2013), Department of Nanosciences and
Nanotechnology, Karunya University, Coimbatore, India, September 30-October 1, 2013.Poster – NSNN-2013-142
​
22. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, Imidazoquinoline based fluorescent sensors for the detection
of metal ions. National Conference on Chemosensors (NCC – 2013), National Institute of Technology, Tiruchirappalli (NIT-T), India,
September 19-20, 2013. ORAL – OP-10. (Best Presentation Award)
​
21. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, An anthracene based fluorescent chemosensor for Pb2+ ion in
aqueous media. National Conference on Chemosensors (NCC – 2013), National Institute of Technology, Tiruchirappalli (NIT-T),
India, September 19-20, 2013. ORAL – OP-3.
​
20. Raju, Nandhakumar*,; Krishnaswamy, Velmurugan. Pyrene Pyridine Conjugates as Ratiometric Fluorescent Chemosensor for Silver
Ion. National Conference on Chemosensors (NCC – 2013), National Institute of Technology, Tiruchirappalli (NIT-T), India, September 19-
20, 2013. POSTER – PP-4.
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19. One Day Seminar on Phytochemistry and analytical Techniques, Department of Chemistry, Karunya University, Coimbatore, India,
September 14, 2013.
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18. Two Day Workshop on Nuclear Chemistry and Radioisotopes Detection Techniques, Department of Chemistry, Karunya University,
Coimbatore, India, August 23-24,2013.
​
17. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, Fluorescence sensing with turn “OFF-ON” effect of rutile and
anatase TiO2 based on a Quinoline benzimidazole conjugate. National Conference on Advanced materials for the emerging technologies
(CAMET – 2013), Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, India, July 11-12, 2013. ORAL – OP-03. (Third
Prize for Best Presentation)
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16. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A Fluorescent Chemosensor for Ag+ ion based on a Bispyrene
derivative. International Conference on Biological Inorganic Chemistry (ICBIC – 2013), Periyar University, Salem, India. February 20-
22, 2013. POSTER – PP-082.
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15. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, A chalcone based fluorescent chemosensor for the detection of
Fe3+ ions at a Physiological pH.International Conference on Biological Inorganic Chemistry (ICBIC – 2013), Periyar University, Salem,
India. February 20-22, 2013. POSTER – PP-132.
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14. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A novel binol based fluorescent chemosensor for the detection of
Hg2+ ions in aqueous media.National Conference on Molecules to Materials – solving problems of mankind (NCMM – 2013), Karunya
University, Coimbatore, India. February 15-16, 2013. POSTER – PP-08. (Second Prize for Best Presentation)
​
13. Don, Derin,; Krishnan, Muthukumar,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, Synthesis, characterization and
antimicrobial activity of new oxetoquinoline derivatives. Regional Science Congress, Inidan Science Congress Association, Kongunadu
Arts and Science College, Coimbatore, India. December 15-16, 2012. POSTER – C.P.24.
​
12. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, “Turn-on” Fluorescent chemosensor for the detection of
Ni2+ and Al3+ ions in aqueous media. Regional Science Congress, Inidan Science Congress Association, Kongunadu Arts and Science
College, Coimbatore, India. December 15-16, 2012. ORAL – C.O.12.
​
11. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A novel binol based fluorescent pet chemosensor for mercury
ions. Regional Science Congress, Inidan Science Congress Association, Kongunadu Arts and Science College, Coimbatore, India.
December 15-16, 2012. ORAL – C.O.3.
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10. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A Novel Florescent Chemosensor for the Detection of mercury
ions. National Conference on Nanomaterials (NCN-2012), Karunya University, Coimbatore, India. December 03-04, 2012. POSTER - NCN -
PP - 48.
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9. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, A Highly Selective Fluorescent Chemosensor for the detection of
Silver ions in aqueous media.National Conference on Advances on Science and Technology (NCAST 12), Saveetha University, Chennai,
India. October 31, 2012. ORAL - CH08.
8. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, Highly Selective “Turn-On” Fluorescent Chemosensor for
Hg2+ based on a Binaphthyl derivative. National Conference on Advances on Science and Technology (NCAST 12), Saveetha University,
Chennai, India. October 31, 2012. ORAL -CH20. (Best Presentation Award)
​
7. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, Binol Based Fluorescent Chemosensor for the detection of mercury
ions in aqueous media.National Conference on materials for future Technology (NCMFT-2012), Sacred Heart College, Tirupattur, India.
September 28, 2012. ORAL – 45.
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6. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, A Novel Chemosensor for Mercury Species. National Conference on
materials for future Technology (NCMFT-2012), Sacred Heart College, Tirupattur, India. September 28, 2012. ORAL – 44. (Second Prize for
Best Presentation).
​
5. One Day Workshop on Schrodingersoftware for chemistry Applications, Department of Chemistry, Karunya University, Coimbatore,
India, September 27, 2012.
​
4. One Day Workshop on Organic Chemistry Laboratory OCL - Department of Chemistry, Karunya University, Coimbatore, India,
September 5, 2012.
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3. Krishnaswamy, Velmurugan,; Jeyaraj, Prabhu,; Raju, Nandhakumar*, A selective and sensitive Chemodosimeter for mercury
species. Currents Trends in chemistry ( CTriC 2012), CUSAT, Kottayam, Kerala, India, January 20-21, 2012. ORAL – 9.
​
2. Jeyaraj, Prabhu,; Krishnaswamy, Velmurugan,; Raju, Nandhakumar*, Naphthalene based dosimeter for detection of mercury ions. One
day National Conference on Innovations in physics and chemistry, Tejaa Shakthi institute of Technology for Women, Coimbatore,
TamilNadu, India, February 25, 2012. ORAL – OIC006.
​
1. Velmurugan, K.; Prabhu, J.; Nandhakumar, R*, Calorimetric Sensing of Cu2+ and Fluorescent Sensing of Fe3+ in Aqueous media with a
Rhodamine B-coumarin conjugate. National Conference on Advanced Functional Materials and Applications (NCAFMA), Department of
Chemistry and Centre for Nanotechnology, Kalasalingam University, Krishnankoil, Tamilnadu, India, December 16-17, 2011. ORAL – OP-15.