Dr.K.Sekar
Degree Institution Specialization Year of Passing
Ph.D University of Madras, Chennai Organic / Supramolecular Chemistry 2003 - 2008
M.Phil University of Madras, Chennai Organic Chemistry 2002 - 2003
M.Sc University of Madras, Chennai Physical Chemistry 2000 - 2002
B.Sc Kandaswami Kandar`s College , University of Madras , Chennai Chemistry 1997 - 2000
Designation Institution Date of Joining Date of Leaving
Assistant Professor University College of Engineering, Anna University , Dindigul Dec 2010 Till Date
Post-Doc Research Fellow Institute of Molecular Chemistry University of Bourgogne (ICMUB) , Dijon , France Nov 2008 Oct 2009
Post-Doc Research Fellow Pongang University of Science and Technology (POSTECH), Pogang , South Korea March 2010 Aug 2010
S. No. Designation From To
1 Class Adviser July 2011 Dec 2011
2 Sports coordinator Jan 2012 Dec 2012
3 Zonal officer Aug 2016 April 2018
4 Class Adviser July 2018 June 2019
5 Vice-Chairman (Anna University Central Valuations) April/May 2019 -
6 Anna University Representative (AUR) (Anna University examinations) Various periods of Anna University Examinations -
7 Certificate Verification Officer (Anna University BE/B.Tech admission Process) TNEA 2018 -
8 Additional chief superintendent(ACS) TANCET Examinations TANCET 2019 -
9 Exam cell Coordinator, UCE, Dindigul Jan 2020 Till Date
S. No. Course Completed Guiding
1 Ph.D 2 2
2 MS - -

S. No. Name National International
1 Journals - 26
2 Books 1 -
3 Conferences 16 14

INTERNATIONAL JOURNALS:

1. “Anthrone-spirolactam and quinoline hybrid based sensor for selective fluorescent detection of Fe3+ ions”, Ratanamala S. Darole, Denzil Britto Christopher Leslee, Anagh Mukherjee, Rajesh G. Gonnade, Karuppannan Sekar, Beeran Senthilkumar, Applied Organometallic Chemistry, DOI:10.1002/aoc.5867 (Accepted: 26 May, 2020). (Impact Factor: 3.140).

2. “Colorimetric and fluorescence sensing of Zn2+ ion and its bio-imaging applications based on macrocyclic “tet a” derivative”, M. Sethupathi, J. Arumugam, G. Muthusankar, P. Sakthivel, Karuppannan Sekar, G. Sivaraman, G. Gopu, S. Chellappan and N. Sengottuvelan, Journal of Photochemistry and photobiology, B: Biology 2020, 207, 111854. (Impact Factor: 4.383).

3. “Bithiophene TriArylborane dyad: an efficient material for the selective detection of CN- and F- Ions”, P. Sakthivel, Karuppannan Sekar , G. Sivaraman, S. Singaravadivel, G. Anbu, G. Senthilkumar, Applied Organometallic Chemistry, 2020. 34, e5257. (Impact Factor: 3.140).

4. “Phenothiazine–rhodamine‐based colorimetric and fluorogenic ‘turn‐on’ sensor for Zn2+ and bioimaging studies in live cells”, K. Muthu Vengaian, Karuppannan Sekar, C. Denzil Britto, S. Singaravadivel, G. Sivaraman, Luminescence. 2020, 35(1), 90-97. (Impact Factor: 1.855).

5. “Rhodamine-Isonicotinic Hydrazide Analogue: A Selective Fluorescent Chemosensor for the Nanomolar Detection of Picric Acid in Aqueous Media”, P. Sakthivel, Karuppannan Sekar, Gandhi Sivaraman and Subramanian Singaravadivel, ChemistrySelect, 2019, 4(13), 3817-3822. (Impact Factor: 1.811).

6. “A Fluorescent Turn-On Carbazole-Rhodanine Based Sensor for Detection of Ag+ Ions and Application in Ag+ Ions Imaging in Cancer Cells”, C, Denzil Britto, Karuppannan Sekar, K. Muthu Vengaian, G. Sivaraman, S. Singaravadivel, Journal of Fluorescence, 2019, 29(1), 75-89. (Impact Factor: 2.093).

7. “Rhodamine-benzothiazole conjugate as an efficient multimodal sensor for
Hg2+ ions and its applications of imaging in living cells”, P. Sakthivel, Karuppannan Sekar, Gandhi Sivaraman and Subramanian Singaravadivel. New Journal of Chemistry, 2018, 42, 11665-11672. (Impact Factor: 3.288).

8. “Rhodamine-Based Fluorescent Turn-On Probe for Facile Sensing and Imaging of ATP in Mitochondria”, S. Omprakash, N.G. Kotla, B. Maddiboyina, S. Marepally, J. Shanmugapriya, K. Sekar, S. Singaravadivel and G. Sivaraman. ChemistrySelect 2017, 2, 7654-7658. (Impact Factor: 1.811).

9. “Carbazole–azine based fluorescence ‘off–on’ sensor for selective detection of Cu2+ and its live cell imaging”, C. Denzil Britto, K. Sekar, K. Muthu Vengaian, Gandhi Sivaraman, Subramanian Singaravadivel, Luminescence. 2017, 32(7), 1354–1360. (Impact Factor: 1.855).

10. “Rhodamine based effective chemosensor for Chromium(III) and their application in live cell imaging”, S. Omprakash, N.G. Kotla, G.S. Asthana, J. Shanmugapriya, K. Sekar and S. Singaravadivel. Sensors and Actuators B: Chemical 2017, 246, 761-768. (Impact Factor: 7.100).

11. “Rhodamine Diaminomaleonitrile Conjugate as a Novel Colorimetric Fluorescent Sensor for Recognition of Cd2+ Ion”, P. Sakthivel, K. Sekar, G. Sivaraman and S. Singaravadivel. Journal of Fluorescence. 2017, 27, 1109-1115. (Impact Factor: 2.093).

12. “Phenothiazine-diaminomalenonitrile based Colorimetric and Fluorescence “Turn-off-on” Sensing of Hg2+ and S2-“, K. Muthu Vengaian, C. Denzil Britto, K. Sekar, G. Sivaraman and S. Singaravadivel. Sensors and Actuators B: Chemical 2016, 235, 232- 240. (Impact Factor: 7.100).

13. “Fluorescence “on–off–on” chemosensor for selective detection of Hg 2+ and S2-: application to bioimaging in living cells”, K. Muthu Vengaian, C. Denzil Britto, K. Sekar, G. Sivaraman and S. Singaravadivel. RSC Adv.2016, 6, 7668-7673. (Impact Factor: 3.119).

14. “Phenothiazine based sensor for naked-eye detection and bioimaging of Hg(II) and F- ions”, K. Muthu Vengaian, C. Denzil Britto, G. Sivaraman, K. Sekar and S. Singaravadivel. RSC Adv.2015, 5, 94903-94908. (Impact Factor: 3.119).

15. “Synthesis, optical and antioxidant studies of anthraquinone core based dendrimers with N-phenylcarbazole as surface group” P. Rajakumar, N. Venkatesan, K. Sekar, S. Nagaraj, R. Rengasamy, Australian Journal of Chemistry, 2014, 67(4), 636-643. (Impact Factor: 1.073).

16. “Synthesis and optoelectrochemical properties of stilbenophanes having carbazole moieties” P. Rajakumar, K. Sekar, N. Venkatesan, Syn. Lett. 2012, 23, 2504-2510. (Impact Factor: 2.006).

17. “A Hybrid Cavitand Made by Capping Permethylated α-Cyclodextrin with Cyclotriveratrylene” B. Frédérique, K. Sekar, and C. Jean-Claude, European Journal of Organic Chemistry, 2012, 2012, 1920-1925. (Impact Factor: 2.889).

18. “Supramolecular chemical sensors based on pyrene Monomer-Excimer dual luminescence” K. Sekar, C. Jean-Claude, Chemistry- An Asian Journal, 2011, 6, 964-984. (Impact Factor: 4.056).

19. “Synthesis and antioxidant properties of enone core based dendrimers with carbazole as surface group”, P. Rajakumar, N. Venkatesan, K. Sekar, S. Nagaraj, R. Rengasamy, Eur. J. Med. Chem. 2010, 45, 1220-1224. (Impact Factor: 5.572).

20. “Synthesis of novel carbazole based macrocyclic amides as potential antimicrobial Agents” P. Rajakumar, K. Sekar, V. Shanmugaiah, N. Mathivanan, Eur. J. Med. Chem. 2009, 44, 3040-3045. (Impact Factor: 5.572).

21. “Synthesis of some novel imidazole based dicationiccarbazolophanes as potential antibacterials” P. Rajakumar, K. Sekar, V. Shanmugaiah, N. Mathivanan, Bioorg. Med.Chem. Lett. 2008, 18, 4416-4419. (Impact Factor: 2.572).

22. “3,5-Bis[(carbazole-9-yl) methyl]-1-methoxybenzene” Senthil G. Kumar, K. Chinnakali, K. Sekar, P. Rajakumar, Hoong Kun Fun, Acta Crystallographica, Section E:Structure Reports Online 2006, E62 (8), o3597.

23. “9-(2,5-Dimethoxybenzyl)-9H-carbazole:sheets built from C-H—π and π-π interactions” Senthil G. Kumar, K. Chinnakali, K. Sekar, P. Rajakumar, Hoong Kun Fun, Acta Crystallographica, Section E: Structure Reports Online 2006, E62 (8), o3594.

24. “1,9-Diazaoctacyclo[22.6.1.13,7.19,16.218,31.010,15.221,16.024,29]tetratriaconta-3,5,7(30),10(15),11,13,16(31),17,19,21,23(36),24(29),25,27,32,34-hexadecaene” Senthil G. Kumar, K. Chinnakali, K. Sekar, P. Rajakumar, Hoong Kun Fun, Acta Crystallographica, Section E: Structure Reports Online 2006, E62 (8), o3455.

25. “Synthesis and properties of 4,4’-bipyridine based tetra cationic carbazolophanes”, P. Rajakumar, K. Sekar, Tetrahedron Lett. 2006, 47, 4023-4027. (Impact Factor: 2.275).

26. “The synthesis of spirophanes from a pentaerythrityl core”, P. Rajakumar, K. Sekar, and K. Srinivasan, Tetrahedron Lett. 2005, 60, 1905-1907. (Impact Factor: 2.275).

Books Published:

1. “Material Science and Metallurgy”, by C. Jeyaprabha, N. Viswanathan and K. Sekar, Emerald Publishers, Chennai, First Edition 2020. (ISBN: 9789389080834)

S. No. Name of the Project Funding Agency Amount Sanctioned Year Duration
1 Synthesis of Water Soluble Multisite Cyclodextrin Surfaced Fluorescent Dendrimers for Sensing Biologically Toxic Molecules and Ions- A Green Chemistry Approach DST-SERB, New Delhi, India Rs: 24,88,000/- 2014-2017 3 Years (Completed)
2 Synthesis of Water Soluble Dendritic Ligand Modified Quantum Dots for Sensing Toxic Metal Ions University Grant Commission (UGC) - New Delhi, India Rs: 13,64,100/- 2016-2018 3 Years (Completed)

1. Attended in Human Resource Development Centre sponsored on online Workshop programme on “Comprehensive e-Learning to e-Training guide for Administrative Work”” conducted by Teaching Learning Centre, Ramanujan College, University of Delhi held from 25th May to 5th June 2020. (12 days)
2. Participated in the “International Webinar on Materials for Energy, Environment and Healthcare Applications” organized by Department of Chemistry, The Gandhigram Rural Institute – DTBU, Gandhigram, Tamilnadu, held in May 21-22, 2020.
3. Attended in Human Resource Development Centre sponsored on online Faculty development programme on “Managing Online Class and Co-Creating Moocs” conducted by Teaching Learning Centre, Ramanujan College, University of Delhi held from 20th Apirl to 6th May 2020. (16 days)
4. Attended in Human Resource Development Centre & AICTE sponsored APRIT course for “Online Refresher Courses in Chemistry for Higher Education” conducted by Sri Guru Tegh Bahadur Khalsa College, University of Delhi held from Feb 2020.
5. Participated in the “Life Skills for Engineers (Level 2)” organized by Commonwealth Educational Media Centre for Asia (CEMCA) and the University of Hyderabad (UOH) from February 25 to April 13, 2020.
6. Participated in the “Life Skills for Engineers (Level 1)” organized by Commonwealth Educational Media Centre for Asia (CEMCA) and the University of Hyderabad (UOH) from January 1 to February 13, 2020.
7. Participated in HRDC sponsored Faculty development program on Global Initiative of Academic Networks (GIAN) “Green Projects Supply Chain Management” conducted by Centre for Rural Enegry, The Gandhigram Rural Institute-Deemed University, Gandhigram, Dindigul, held on 30th June to 11th July 2019.
8. Participated in National Level Workshop on Nuclear Magnetic Resonance Spectroscopy (WNMRS-2019) held at The Gandhigram Rural Institute-Deemed University, Gandhigram, Dindigul on 22th – 23th March, 2018. (2 days).
9. Participated in UGC – Sponsored refresher course in chemistry on “Recent Advances in Chemistry” conducted by UGC – Human Resource Development Centre, Madurai Kamaraj University held from 16-11-2018 to 06.12.2018 (21 days)
10. Completed on online course in “SKVIZ101x: Fundamentals of 3D Visualization” conducted by IITBombayX, an online learning initiative of Indian Institute of Technology Bombay, held on 29th Aug 2018 to 07th Oct 2018. (09 days)
11. Participated in AICTE-ISTE sponsored one week training in “Creative Learning and Innovative Teaching Methodologies”, organized by Department of Computer Science and Engineering, KLN College of Engineering, Pottapalayam, Sivagangai held on Apirl 23 – 29, 2018. (7 Days)
12. Participated in National Level Workshop on Nuclear Magnetic Resonance Spectroscopy (WNMRS-2018) held at The Gandhigram Rural Institute-Deemed University, Gandhigram, Dindigul on 8th – 9th March, 2018. (2 days)
13. Participated in AICTE sponsored FDP on “Advanced Analytical Techniques in Management and social Science Research”, organized by Department of Management Studies, PSNA College of Engineering & Technology, Dindigul held on November 8 – 21, 2017. (14 Days)
14. Participated in AICTE approved FDTP on “Foundation Program in ICT for Education” conducted by Indian Institute of Technology, Bombay from 3rd August to 7th September 2017. (5 Days)
15. Participated at the National level seminar in “Recent Challenges to Environment RCE – 2015” organized by Department of Chemistry Sakthi College of Arts and Science for Women Oddanchathiram, Dindigul on 25 September 2015. (1 day)
16. Participated in UGC-Sponsored Orientation programme Conducted by UGC-Academic Staff College, Bharathiar University, Coimbatore, 12th June to 9th July, 2013. (28 Days)
17. Participated at the UGC sponsored one day national level seminar on “Recent Advances in Chemistry” (RAC – 2015) organized by PG and Research Department of Chemistry, G.T.N. Arts College, Dindigul, Tamilnadu on 18 March 2015. (1 Day)
18. Participated at the “Two day Lecture Workshop on Recent Advances in Material Chemistry (RAMC-2014)” held at BIT, Anna University, Trichy, INDIA, March 7-8, 2014. (2 days)
19. Participated in one day workshop programme on “Teaching Skills and Smart Class Room Tools” Conducted by Centre for Faculty Development Anna University Chennai, 7th January, 2013. (1 Day)
20. Participated FDTP on “Engineering Chemistry-II” Conducted by Centre for Faculty Development Anna University at MIT, Chennai, on 26 December to 2nd January, 2012. (8 Days)
21. Participated at the “National Workshop on Green Chemistry (NWGC 2011)” held at Manonmaniam Sundaranar University, Tirunelveli, India, August 17-22, 2011. (6 Days)
22. Participated Training programme on “Instructional Design and Delivery” Conducted by National Institute of Technical Teachers Training and Research, Chennai, July 13-15, 2011. (3 days)

Membership in Professional Bodies:

    • Life Member of the society, “The Indian Society for Technical Education” (ISTE), New Delhi.
    • Life Member of the society, “CRSI-Chemical Research Society of India” (CRSI), Bangalore.
S. No. Name of the Award/ Recognition Awarding Agency
1 Senior Research Fellowship Council of Scientific and Industrial Research (CSIR), New Delhi
2 Post-Doctoral Research Fellowship- University Of Bourgogne, France Regional council of Bourgogne, France
3 Brain of Korea-20 Post-Doctoral Research Fellowship-Pogang University of Science and Technology, South Korea South Korean government, South Korea
4 Fast Track Project for Young Scientist Award Fellowship-2014 DST-SERB, New Delhi

Conference Conducted:

  1. Acted as a Coordinator in “National Conference on Recent Advances in Chemical Sciences (RACS-2013)” Department of Chemistry, University College of Engineering, Dindigul, held on 20th Feb 2013.

INTERNATIONAL CONFERENCES:

1. P. Sakthivel and Karuppannan Sekar (2020), has presented oral presentation on “Rhodamine-Aminoantipyrene conjugate: a fluorescent reversible sensor for aluminium ions and its live cell imaging applications” at the International conference on Frontiers in Chemical and Material Sciences – (ICFCMS-2k20)” organized by Department of Chemistry, The Gandhigram Rural Institute (Deemed to be University), Dindigul Tamilnadu, India, held on 24th and 25th February 2020.

2. E. Rajendran, G. Sivaraman, S. Singaravadivel, and Karuppannan Sekar (2019), has presented a poster on “Diaminomaleonitrile Conjugate Syringaldehyde as a Unique Chemosensor for Selective Sensing of Cu2+ and CN- Ions and Its Application in Living Cells”, at the International Conference On Materials For The Millennium (MATCON 2019) organized by department of applied chemistry, Cochin University of Science and Technology, Kochi 682022, India, held on 14-16th March 2019.

3. P. Sakthivel and Karuppannan Sekar (2019), has presented a poster on “Bithiophen Coupled Arylboranes as a Multimodal Approach for the Selective Detection of CN-, F- ions and Facile Removal of F- Ions in Water”, at the International Conference On Materials For The Millennium (MATCON 2019) organized by department of applied chemistry, Cochin University of Science and Technology, Kochi 682022, India, held on 14-16th March 2019.

4. C. Denzil Britto, K. Muthu Vengaian and Karuppannan Sekar (2019), presented oral presentation entitled “Transforming a fluorescent quenching signal to determine Cu2+ ions quantity using Phenothiazine-bis(hydrazo-pyridine) Ligand”, at the International Conference on Advanced Materials Chemistry at the Interfaces of Energy, Environment and Medicine (AMCI-2019), organized by Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli-627012, Tamilnadu, India, held on January 30-31.

5. C. Denzil Britto, and Karuppannan Sekar, (2018), presented poster entitled “A Fluorescent “Turn On” Tool Based on Carbazole-Amino Thiophenol Schiff Base Sensor for Detection of Tin” at the 4th International Conference on Chemical and Environmental Research (ICCER-2018) organized by post graduate and research department of chemistry jamal mohamed college (autonomous), Tiruchirappalli-620020, Tamilnadu, India, held on 19th December.

6. C. Denzil Britto , Karuppannan Sekar, Perumal Sakthivel (2018), presented poster entitled “A Carbazole-Nicotinic Hydrazide Based Fluorescent Sensing And Determination Of Hg (Ii) Ion In Water” at the International Conference on Water:From Pollution to Purification (ICW 2018) organized by School of Environmental Sciences, Mahatma Gandhi University, Kottayam, Kerala, held on December 07-10.

7. P. Sakthivel, C. Denzil Britto and K. Sekar (2018), presented oral presentation entitled “Isonicotinic hydrazide functionalized silver nanoparticle based colorimetric and fluorescent chemosensor for selective detection of Hg2+ in aqueous medium” in the International conference on “Sustainable Energy Technologies (i¬-SET ¬2018)”, organized by School of Chemistry and School of Physics, Bharathidasan University, Tiruchirappalli – 620 024, Tamilnadu held on 27th – 28th June.

8. P. Sakthivel and K. Sekar (2017), presented poster entitled “Rhodamine linked isonicotinic acid hydrazide as a fluorescent chemosensor for highly selective detection of explosive picric acid” in the International conference on “Advanced Functional Materials for Energy, Environment and Biomedical Applications (AFMEEB-2017)”, organized by Madurai Kamaraj University, Madurai, Tamilnadu, held on 11-12th December.

9. P. Sakthivel and K. Sekar (2016), presented a poster entitled, “Highly Sensitive and Selective Fluorescent Sensor for Unique Cadmium ion in Aqueous Media” in International Conference on “Frontier Areas in Chemical Technologies – 2016 (FACTs – 2016)” organized by Department of Industrial Chemistry, Nanoscience & Technology and Bioelectronics & Biosensor, Alagappa University, Tamilnadu, India, on 21st -23rd March.

10. K. Muthu Vengaian and K. Sekar (2015), Presented a poster entitled, “A Phenothiazine-diaminomaleonitrile based selective colorimetric chemosensor for mercury (II) ion ” in International Conference on “Recent Trends in Analytical Chemistry” (ICORTAC-2015) organized by Department of Analytical Chemistry University of Madras Guindy Campus Chennai – 600 025 on 28 – 30 December.

11. K. Muthu Vengaian and K. Sekar (2015), presented a poster entitled, “Phenothiazine–thiosemicarbazide–Hg (II) ensemble-based fluorescence turn-on toward fluoride for naked-eye detection and imaging application in live cells” in International Conference on “Recent Advances in Materials and Chemical Sciences” (ICRAMCS-2015) organized by Department of Chemistry Gandhigram Rural Institute – Deemed University Gandhigram-624 302, Dindigul, Tamilnadu on 14-15 December.

12. K. Muthu Vengaian and K. Sekar (2014), presented a poster entitled, “Water Soluble Chemosensor for biologically Toxic Mercury ions” in International Conference on Chemistry and Materials (ICCM-2014) held at Department of Chemistry, BIT Campus, Anna University, Trichy-7, 14th -15th November.

13. K. Sekar (2012), presented a paper entitled, “Synthesis and antioxidant properties of N-phenylcarbazole surfaced dendrimers” in International Conference on Biologically Active Molecules (ICBAM 2012), organized by Department of Chemistry, The Gandigram Rural Institute-Deemed University, Gandigram, Dindigul on 8th -10th March.

14. P. Rajakumar, K. Sekar (2006), presented a poster entitled “Synthesis of 4,4’- bipyridininium based tetracationic carbazolophanes”, in Joint International conference on Building Bridges, Forging bonds for 21st Century (ACS-CSIR) OCCB-2006 in Organic Synthesis, National Chemical Laboratory, Pune, January.

NATIONAL CONFERENCES:

1. P. Sakthivel and Karuppannan Sekar (2019), has presented poster on “A chemosensor build with rhodamine appended antipyrine derivative: an off-on-off type sensor for selective sensing of Al3+/F- ions” at the One day State Level Seminar on “Emerging Trends in Chemical Sciences – (ETCS-2k19)” organized by Department of Chemistry, G.T.N. Arts College, Dindigul Tamilnadu, India, held on 18th October 2019.

2. Ratnamala S. Darole , C. Denzil Britto, Sekar Karuppannan, Anagh Mukherjee and Beeran Senthilkumar, (2019), presented poster entitled “Anthrone Spiro-lactam and Quinoline Hybrid Based Sensor for Selective Detection of Fe 3+ Ions in Water Samples” at the National Science Day 28th February 2019, held at CSIR-National Chemical Laboratory, Pune-411008, India.

3. Perumal Sakthivel and Karuppannan Sekar (2019), presented poster entitled “ Colorimetric and fluorescent chemosensor for selective sensing of Hg(II) in aqueous media based on Quinoline Hydrazide capped silver nanoparticles” at National Conference on Recent Advances in Chemistry (RAC-19), in the Department of chemistry, Anna University – Chennai, India, held on 4th & 5th January.

4. C. Denzil Britto, Perumal Sakthivel and K. Sekar (2017), presented poster entitled “Photodegradation of Carbazole-Phenylamine based Chalcone Serves as Fluorescent Sensor for Picric acid and p- Nitrophenol”, by in 3rd National Seminar on Advanced Oxidation Processes (AOP’2017), organized by Department of Chemistry, Anna University, Tiruchirappalli (BIT campus), Tamilnadu, India, held on 17-19 December.

5. K. Muthu Vengaian and K. Sekar (2017), presented a poster entitled “Phenothiazine –Diaminomalenonitrile based colorimetric and fluorescence ‘turn of on’ sensing of Hg2+ and S2- in the National Conference on Recent Advances in the Application of Macromolecular Materials (RAAMM-2017), organized by Department of Chemistry Gandhigram Rural Institute – Deemed University Gandhigram-624 302, Dindigul, Tamilnadu, held on 2nd& 3rd March.

6. C. Denzil Britto, K. Sekar and K. Muthu Vengaian (2017), presented a Poster presentation entitled “Carbazole – Rhodanine Based Fluorescent Sensor for Selective Recognition of Silver (I) Ion”, in the “20th CRSI National Symposium in Chemistry”, organized by Department of Chemistry, Gauhati University, Guwahati – 781014, Assam, India, held on 3rd – 5th February.

7. C. Denzil Britto, K. Sekar and K. Muthu Vengaian, (2016), presented an Oral presentation entitled “Carbazole – Azine Based “Switch On” Fluorescent Sensor for Copper (II) Ion”, in the National Seminar on “Recent Innovation in Organic Synthesis (RIOS-2016)”, organized by Department of Chemistry, Periyar University, Salem – 600011, Tamilnadu, India, held on 15-16th December.

8. P. Sakthivel and K. Sekar (2016), presented a poster entitled, “Rhodamine–Aminothiophenol Conjugate as a Novel Colorimetric Fluorescent Sensor for Recognition of Hg2+” in National Seminar on “Recent Innovations in Organic Synthesis (RIOS-2016)” organized by Department of Chemistry, Periyar University, Tamilnadu, India, on 14th – 16th December.

9. K. Muthu Vengaian and K. Sekar (2015), presented a poster entitled, “Highly Selective and sensitive Fluorescent Signaling for Hg2+ using N-Hexyl Phenothiazine” in National level “10th Mid-Year CRSI Symposium in Chemistry – July 2015” organized by National Institute of Technology and Bharathidasan University Tiruchirappalli on 23-25 July.

10. K. Sekar, and P. Karthigaivel (2014), presented a poster entitled, “Novel Fluoride and Cyanide anion molecular sensors-A review” – in National Conference on “Recent Advances in Water and Wastewater Treatment”, held at Department of Chemistry, The Gandigram Rural Institute-Deemed University, Gandigram, Dindigul, 21st -22nd March.

11. K. Sekar and P. Rajakumar (2012), presented a poster entitled, “Synthesis and solar cell application studies of Bipridinium based Organic Dendrimers Dyes with Carbazole as Surface group”, in 14th CRSI National Symposium and 6th CRSI-RSC Joint Symposium in Chemistry held at CSIR-NIIST and IISER, Thiruvananthapuram in 2nd -5th Feb.

12. K. Sekar and P. Rajakumar (2011), presented oral presentation entitled “Synthesis and Solar Cell Applications of Anthraquinone Core Based Dendrimers With 9-Phenylcarbazole As Surface Group”, in National Conference on Recent Trends in Green Synthesis (RTGS-2011) held at Department of Industrial Chemistry, School of Chemistry, Alagappa University, Karaikudi on 5-6 August.

13. P. Rajakumar, K. Sekar and P. Mariyammal (2007), presented a poster entitled “Synthesis of imidazole based dicationic carbazolophanes”, National Seminar on Non-Conventional Techniques in Synthesis (NSNCTS-2007) held at Department of Chemistry, Ethiraj College-Chennai, INDIA, 23rd February.

14. P. Rajakumar, K. Sekar (2007), presented an oral and poster entitled “Synthetic studies on the carbazolostilbenophanes”, in National Conference in Chemistry, CCB-2006 held at Bangalore University, India.

15. P. Rajakumar, K. Srinivasan and K. Sekar (2004), presented a poster entitled, “Synthesis of chiral cyclophanes with vinylic and spiral backbones” in Sixth National Symposium in Chemistry held at Indian Institute of Technology (IIT), Kanpur, India held on Feb 6th-8th.

16. Participated in “International congress of Indian pharmacy graduates 2003” held at Annamalai University, Annamalainagar, India, November 8-9, 2003.