281. Halogen Bonding in Thyroid Hormone Action and Membrane Transport. Invited Lecture at at a symposium on "One Hundred Years of Hydrogen Bonding", at IISc Bangalore during January 9-10, 2020. 

​

280. Artificial Enzymes. Infosys Prize Lecture at the Winners’ Symposium, Taj West End Hotel on January 6, 2020.

​

279. Metallonanozymes for Cellular Redox Regulation. Plenary Lecture at the Conference on Modern Trends In Inorganic Chemistry-XVIII, at IIT Guwahati during December 11-14, 2019.

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278. Redox Active Small Molecules as Artificial Enzymes. Invited Lecture at 20th NOST-Organic Chemistry Conference at The Ananta, Udaipur during December 4-7, 2019.

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277. The Elements of Life. Special Lecture as part of the DAE Theme Meeting Commemorating “150 Glorious Years of Periodic Table”, at DAE Convention Centre, BARC, Mumbai on November 27, 2019.

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276. Nanozymes for Cellular Redox Regulation. Invited Lecture at the IIT Bombay-FU Berlin Indo-German Workshop on “Emerging Trends In Chemistry and Materials” at IIT Bombay, during August 28-29, 2019.
 

275. Selenium and Thyroid: Synthetic Organoselenium Compounds as Iodothyronine Deiodinase Mimetics. Plenary Lecture at the 14th International Conference on the Chemistry of Selenium and Tellurium (ICCST-14), at the Hotel Resort Flamingo, Santa Margherita di Pula (CA), Sardinia, Italy, during June 3-7, 2019.

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274. The Elements of Life. Special Lecture as part of the Celebrations of International Year of the Periodic Table of Chemical Elements, at J. N. Tata Auditorium, IISc, Bangalore on May 29, 2019.

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273. Nanozymes - Nanomaterials with Enzyme-like Activities. Invited Lecture at the Fifth Indian Faculty Alumni Network Symposium on "New & Advanced Materials and Sustainable Sciences" organized by IIT Bombay at Taj Exotica, Goa, on April 6, 2019.

 

272. Halogen Bonding in Thyroid Hormone Action and Membrane Transport. Invited Lecture at the Symposium on "Synthetic and biological peptides: Strategies and structures for the development of drugs, biologics and materials" at Bangalore University, during March 14-15, 2019.

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271. Iodine in Thyroid Hormone Action and Membrane Transport. Invited Lecture IIT Bombay Diamond Jubilee Chemistry Symposium, at IIT Bombay, Mumbai, during February 25-28, 2019.

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270. Iodine in Thyroid Hormone Action and Membrane Transport. Silver Medal Lecture at the 24th CRSI National Symposium in Chemistry (NSC-24) at CLRI, Chennai, during February 8-10, 2019.

​

269. Iodine in Thyroid Hormone Action and Membrane Transport. Prof. R. C. Mehrotra Commemoration Lecture at the 106th Indian Science Congress at Lovely Professional University, Jalandhar, during January 3-7, 2019.

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268. Nanozymes for Cellular Redox Regulation. Special Invited Lecture at the Inter-Disciplinary Explorations in Chemistry (I-DEC-2018) at IISER Bhopal, during December 6 - 8, 2018.

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267. Iodine - the Heaviest Main Group Element in Biology - in Thyroid Hormone Action and Membrane Transport. Plenary Lecture at the 1st International Symposium on Main-group Molecules to Materials (MMM-2018) at IISc Bangalore, during October 28-31, 2018.

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266. Chemistry of Human Thyroid: Deiodination Pathways in Thyroid Hormone Action. Invited Lecture at the Unit Day of the New Chemistry Unit, JNCASR on August 10, 2018.

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265. Chemistry of Human Thyroid: Deiodination Pathways in Thyroid Hormone Action. Invited Lecture at the International Conference on Sustainable Chemistry for Health, Environment and Materials (SuChem-2018) as part of the Platinum Jubilee Celebrations at IICT Hyderabad, during August 5-8, 2018.

 

264. Halogen Bonding in the Deiodination and Membrane Transport of Thyroid Hormones. Invited Lecture at the Recent Advances in Inorganic Chemistry-2018 at IISc, Bangalore, on July 27, 2018.

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263. Thyroid Hormone Dehalogenation by Synthetic Deiodinase Mimics. Invited Lecture at the Organic & Biomolecular Chemistry Symposium, organized by the Royal Society of Chemistry (RSC) at Shanghai Institute of Organic Chemistry, CAS, Shanghai, China, on June 7, 2018.

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262. Thyroid Hormone Dehalogenation by Synthetic Deiodinase Mimics. Invited Lecture at the 1st International conference in Chemistry (iConChem2018), Indian Institute of Science Education and Research (IISER), Tirupati, during May 24-26, 2018.

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261. Nanozymes for Cellular Redox Regulation. Prof. K. N. Ganesh Endowment Lecture, Indian Institute of Science Education and Research (IISER), Pune, on May 8, 2018.

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260. Nanozymes for Cellular Redox Regulation. Institute Colloquium, Indian Institute of Science Education and Research (IISER), Kolkata, on April 13, 2018.

 

259. Thyroid Hormone Dehalogenation by Synthetic Deiodinase Mimics. Invited Lecture at the Symposium on Recent Advances in Responsive Molecules and Materials, at Jawaharlal Nehru University, New Delhi, during March, 16-17, 2018.

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258. Thyroid Hormone Deiodination: Organoselenium Compounds as Iodothyronine Deiodinase Mimetics. Invited Lecture at the DAE-BRNS Symposium on Selenium Chemistry & Biology (SSCB-2017), at Bhabha Atomic Research Center, Mumbai, during November, 9-11, 2017.

​

257. Chemical Biology of Metalloproteins. Invited Lecture at the Workshop for College Chemistry Students and Teachers, organized by the FCBS and JNCASR in Trivandrum, during October 26-28, 2017.

​

256. Nanomaterials for Cellular Redox Regulation. Invited Lecture at the "International Conference on Functional Materials (ICFM-2017)" at Thiyagarajar College, Madurai, during September 7-8, 2017.

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255. Bio and Medicinal Inorganic Chemistry: Metalloproteins in Diseases. Invited Lecture at the Department of Pharmacy, JSS University, Mysore, on June 13, 2017.

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254.  Thyroid Hormone Deiodination by Synthetic Enzyme Mimics. Bhagyatara Award Lecture as part of the International conference on Green Chemistry/Engineering and Technologies for Sustainable Development (GCET), at the Department of Chemistry, Panjab University, on April 21, 2017.

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253.  Chemical Biology of Thyroid Hormone Action. Invited Lecture at the Department of Chemistry, Kurukshetra University, as part of Goyal Prize Ceremony, on April 11, 2017.

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252. Redox Signaling and Oxidative Stress. 63rd Foundation Day Lecture at Central Salt and Marine Chemicals Research Institute (CSMCRI), Bhavnagar, on April 10, 2017.

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251.  Chemical Biology of Thyroid Hormone Action. Invited Lecture at the Department of Chemistry, Banaras Hindu University, Varanasi, on March 29, 2017.

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250. Redox Signaling and Oxidative Stress: Enzyme Mimetics for Cellular Redox Regulation. Invited Lecture at the RSC symposium on Inorganic Chemical Biology, Organized by the School of Chemistry, Madurai Kamaraj University, Madurai, during March 17-18, 2017.

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249. Redox Signaling and Oxidative Stress: Synthetic small-molecules for cellular redox regulation. Invited Lecture at the "IPC Day", Indian Institute of Science, Bangalore, on January 27, 2017.

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248. Enzyme Mimetics for Cellular Redox Regulation. Invited Lecture at the "Chemical Science Symposium" as part of the 5th Symposium on Advanced Biological Inorganic Chemistry (SABIC-2017), Kolkata, during January

7-11, 2017.

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247. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the SASTRA University, Thanjavur, INDIA, on December 26, 2016.

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246. Thyroid Hormone Deiodination by Synthetic Enzyme Mimics. Invited Lecture at the 21st International Conference on Organic Synthesis (ICOS-21), at IIT Bombay, India, during December 11-16, 2016.

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245. Thyroid Hormone Deiodination by Synthetic Enzyme Mimics. Plenary Lecture at the Frontiers in Chemical Sciences 2016 (FICS 2016), at IIT Guwahati, India, during December 8-10, 2016.

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244. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the Bangalore University, Bangalore, INDIA, on November 8, 2016.

​

243. Bio and Medicinal Inorganic Chemistry: Metalloproteins in Diseases. Invited Lecture at the JSS College of Pharmacy, Mysore, on November 25, 2016.

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242. Nanozymes for Cellular Redox Regulation. Invited Lecture at the Indo-German Symposium on System Chemistry Approach Towards Sustainability, at Khajuraho, India, during November 10-13, 2016.

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241. Reactive Oxygen Species (ROS), Oxidative Stress and Antioxidants: Enzyme Mimetic Selenium Compounds as Redox Regulators. Invited Lecture at the 7th Euro-Global Summit on Toxicology and Applied Pharmacology, in Rome, Italy, during October 24-26, 2016.

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240. Selenoenzymes and their Mimics: Potential Applications in Drug Development. Invited Lecture at the University of Perugia, Italy, on October 21, 2016.

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239. Chemical Biology of Human Thyroid. Invited Lecture at the Workshop for College Chemistry Students and Teachers, organized by the FCBS and JNCASR in Trivandrum, during October 13-14, 2016.

​

238. Chemistry of Thyroid Hormone Action. Invited Lecture at the School of Chemistry, University of Hyderabad, India, on September 28, 2016.

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237. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the CSIR-National Chemical Laboratory (NCL), Pune, on September 21, 2016.

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236. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at Chemical Frontiers-2016, held at Planet Hollywood Resort, Goa, during August 25-28, 2016. 

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235. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the Sri Venkateshwara University, Tirupati, INDIA, on August 13, 2016.

​

234. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the 1st Symposium on Frontiers in Organic Chemistry, organized by Bristol-Myers Biocon Research and Development Center (BBRC), Bangalore. on August 10, 2016.

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233. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the Tributary Symposium on 100 Years of Chemical Bonding, organized by CSIR-IICT, INSA and CRSI, during August 4-5, 2016.

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232. Biologically active organoselenium and tellurium compounds: functional mimetics of selenoenzymes. Invited Lecture at the 27th International Conference on Organometallic Chemistry (ICOMC-2016), Melbourne, Australia, during July 17-22, 2016.

​

231. Chemistry and Biology of Thyroid Hormone Synthesis and Action.  Invited Lecture at the Department of Chemistry, BMS College of Engineering, Bangalore, on June 22, 2016.

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230. The Chemistry and Biology of the Human Thyroid. Invited Lecture in the National Seminar on "Recent Trends in Chemistry", at Madurai Kamaraj University, Madurai, on June 4, 2016.

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229. Synthetic Organoselenium Compounds as Functional Mimetics of Selenoenzyme. Invited Lecture at the 5th Workshop of Selenium and Sulfur Redox and Catalysis (WSeS-5) at Tokai University, Hiratsuka, Japan, on May 21, 2016.

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228. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at the Department of Chemistry, Osaka City University, Osaka, Japan, on May 19, 2016.

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227. Regioselective Deiodination of Thyroid Hormones by Organoselenium Compounds: Functional Mimics of Selenoenzymes - Iodothyronine Deiodinases. Invited Lecture at the Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Osaka, Japan, on May 18, 2016.

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226. Regioselective Deiodination of Thyroid Hormones by Organoselenium Compounds: Functional Mimics of Selenoenzymes - Iodothyronine Deiodinases. Invited Lecture at the Osaka University, Faculty of Engineering, Osaka, Japan, on May 17, 2016.

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225. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at the Osaka University, Faculty of Science, Osaka, Japan, on May 16, 2016.

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224. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at the Osaka University, Faculty of Science, Osaka, Japan, on May 16, 2016.

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223. Regioselective Deiodination of Thyroid Hormones by Organoselenium Compounds: Functional Mimics of Selenoenzymes - Iodothyronine Deiodinases. Invited Lecture at the Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, Japan, on May 13, 2016.

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222. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at the Institute for Chemical Research, Kyoto University,  Uji, Kyoto, Japan, on May 12, 2016.

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221. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, Japan, on May 11, 2016.

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220. Synthesis and Glutathione Peroxidase-like Antioxidant Activity of Selenium Compounds. Invited Lecture at Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, Gifu, Japan, on May 10, 2016.

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219. Regioselective Deiodination of Thyroid Hormones by Organoselenium Compounds: Functional Mimics of Selenoenzymes - Iodothyronine Deiodinases. Invited Lecture at the Institute of Transformative Bio-Molecules (WPI-ITbM), and Department of Chemistry, Graduate School of Science, Nagoya University,  Nagoya, Japan, on May 9, 2016.

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218. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the International Symposium on Chemical Biology and Drug Discovery (ISCBDD-2016), organized by the National Institute of Pharmaceutical Education and Research (NIPER), Kolkata, Bose Institute, Kolkata and Chemical Biology Society (CBS), Indiaduring March 1-3, 2016.

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217. 2015 Nobel Prize in Chemistry. Popular Lecture at Science Forum, Government College for Women, Fort, Kolar, organized by the Karnataka Associate for the Advancement of Science (KAAS), Bangalore, on February 11, 2016.

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216. Complex Chemical Pathways of Thyroid Hormone Action. ISCB Award Lecture at the 22nd ISCB International Conference on "Recent Trends in Affordable and Sustainable Drug Discovery and
Developments" (ISCBC-2016) at Uka Tarsadia University , Maliba Campus Gopal Vidyanagar, Bardoli on February 8, 2016.

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215. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the National Conference on Emerging Trends in Chemical Sciences-2016 at Kirori Mal College, University of Delhi, during February 3-4, 2016.

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214. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture as part of the "Chemistry School Colloquium" at IISER Thiruvananthapuram, on January 27, 2016.

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213. Bioinspired Chemistry for Environment and Human Health. Invited Lecture at the ICMR-Sponsored National Seminar on "Human Health Implications of Environmental Exposure to Toxins" at Bon Secours College for Women, Thanjavur, during January 21-22, 2016.

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212. Antioxidant Nanozymes. Invited Lecture at the 16th Modern Trends in Inorganic Chemistry (MTIC-XVI) at Jadavpur University Kolkata, during December 3-5, 2015.

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211. Complex Chemical Pathways of Thyroid Hormone Action. Invited Lecture at the XVII NOST-Organic Chemistry Conference (NOST-OCC), Jaipur, during October 27-30, 2015.

 

210. Nanozymes for Biomedical Applications. Invited Lecture at the Indo-German Symposium on Molecular Amplification, in Evangelische Akademie, Tutzing, Germany during October 20-23, 2015.

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209. Nanozymes for Biomedical Applications. Invited Lecture at the Workshop for College Chemistry Students and Teachers, organized by the FCBS and JNCASR in Trivandrum during October 15-17, 2015.

 

208. Thyroid Hormone Dehalogenation by Iodothyronine Deiodinase Mimetics. Invited Lecture at the 5th Indian Peptide Society Symposium at JNCASR Bangalore, during September 24-25, 2015.

 

207. Dehalogenation of Thyroid Hormones and its Applications in Drug Development. Inaugural Keynote Lecture at the National Conference on Drug Discovery and Development in Chemistry-Applications in Pharma Industry (DDDC-2015) at Sri Venkateswara University, Tirupati, on September 13, 2015.

 

206. Bioinorganic Chemistry Approaches to Thyroid Hormone Metabolism. Invited Lecture at the Recent Advances in Nano and Bio-inorganic Materials (RANBM-2015) at M. S. Ramaiah Institute of Technology, Bangalore, on July 17, 2015.

 

205. Bio and Medicinal Inorganic Chemistry: Metalloproteins in Diseases. Invited Lecture at the JSS College of Pharmacy, Mysore, on June 19, 2015.

 

204. Enzyme Mimetic Dehalogenation. Invited Lecture at the Department of Chemistry, Indian Institute of Technology, Kharagpur, on May 11, 2015.

 

203. Nanomaterials as Antioxidant Enzyme Mimetics. Invited Lecture at the Indo-Israel Joint Symposium at IISc Bangalore, during March 23-25, 2015.

 

202. Antioxidant Enzyme Mimetics. Keynote Lecture at  DST-Sponsored National Conference on

Synthetic and Structural Chemistry (NCSSC-2015) at Tumkur University, on March 19, 2015.

 

201. Antioxidant Enzyme Mimetics. Keynote Lecture at the UGC-Sponsored National Conference on Frontier Areas in Chemistry at Thiagarajar College, Madurai, India, during February 26-27, 2015.

200. Nanomaterials as Antioxidant Enzyme Mimetics. Invited Lecture at the TWAS-ROCASA Young Scientists Conference on "Nanoscience & Nanomaterials" at JNCASR, Bangalore, India, on February 20, 2015.

199. Bioinspired Chemistry for Energy and Environment. Lecture Workshop on Modern Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Karunya University, Coimbatore, INDIA, February 18-19, 2015.

198. Bioinorganic Chemistry - From Oxygen Transport to Metal-mediated Catalysis. Lecture Workshop on Modern Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Karunya University, Coimbatore, INDIA, February 18-19, 2015.

197. Bioinspired Chemistry for Energy and Environment. Lecture Workshop on Modern Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Christ University, Bangalore, INDIA, February 13-14, 2015.

196. Bioinorganic Chemistry - From Oxygen Transport to Metal-mediated Catalysis. Lecture Workshop on Modern Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Christ University, Bangalore, INDIA, February 13-14, 2015.

195. Enzyme Mimetic Deiodination of Thyroid Hormones. Keynote Lecture at "UGC-SAP National Conference on Advances and Innovations in Chemical Sciences (NCAICS 2015)" at Mumbai University, Mumbai, India, February 12-13, 2015.

194. Antioxidant Enzyme Mimetics. Plenary Lecture at "International Conference on Green Chemistry Catalysis and Environment (ICGC 2015)" at Goa University, Goa, India, January 22-24, 2015.

193. Enzyme Mimetic Deiodination of Thyroid Hormones. Invited Lecture at "Frontiers in Chemical & Material Sciences (FCMS-2015)" at Shivaji University, Kolhapur, India, January 16-17, 2015.

192. Bioinorganic Chemistry. Refresher Course on "Advances in Chemical Sciences and Sustainable Development", organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Central University of Rajasthan, Bandar Sindri, INDIA, January 12-25, 2015.

191. Enzyme Mimetic Deiodination of Thyroid Hormones. Invited Lecture at "National Conference on Pure and Applied Chemistry (NACOPAC-2014)" at University of Mysore, Mysuru, India, December 29-31, 2014.

190. Nanomaterials as Antioxidant Enzyme Mimetics. Invited Lecture at "DAE-BRNS 5th Interdisciplinary Symposium on Materials Chemistry (lSMC-2014)" at BARC, Mumbai, India, December 9-13, 2014.

189. Antioxidant Activity of Vanadium-based Nanozyme. Invited Lecture at "Golden Jubilee In-house Symposium" at Department of Chemistry, IIT Bombay, India, on October 17, 2014.

188. Halogen Bonding in Thyroid Hormone Metabolism: Biomimetic and X-ray Crystallographic Studies. Invited Lecture at "UGC-sponsored National Seminar on Recent Trends in X-ray Crystallography" at Seethalakshmi Ramaswami College, Tiruchirappalli, India, on October 8, 2014.

187. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the Sri Venkateshwara University, Tirupati, INDIA, on September 7, 2014.

186. Functional Mimetics of Iodothyronine Deiodinase for Thyroid Hormone Deiodination. Dr. R. A. Mashelkar Endowment Lecture, at National Chemical Laboratory (NCL), Pune, India, on August 11, 2014.

185. Bioinspired Chemistry for Energy and Environment. Lecture Workshop on Recent Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Mother Teresa Women's University, Kodaikanal, INDIA, April 4-6, 2014.

184. Bioinorganic Chemistry. Lecture Workshop on Recent Trends in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Mother Teresa Women's University, Kodaikanal, INDIA, April 4-6, 2014.

183. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the Sri Venkateshwara University, Tirupati, INDIA, on March 28, 2014.

182. Bioinorganic Chemistry Approaches to Thyroid Hormone Metabolism. Invited Lecture at "Indo-French Seminar on Bio-inorganic Approaches to Current Health Problems" at Pondicherry University, Pondicherry, India, on March 25, 2014.

181. Antioxidant Nanozymes. Prof. S. K. Pradhan Endowment Lectures at Institute of Chemical Technology (ICT), Mumbai, India, on January 28, 2014.

180. Synthesis and Biological Activity of Reduced Graphene Oxide Nanosheets. Prof. S. K. Pradhan Endowment Lectures at Institute of Chemical Technology (ICT), Mumbai, India, on January 28, 2014.

179. Everyday Chemistry. DST-INSPIRE Internship Science Camp, organized by the Sri Venkateshwara University, Tirupati, INDIA, on January 19, 2014.

178. Nanomaterials as Antioxidant Enzyme Mimetics. Invited Lecture at "Annual Talks" at the National Centre for Biological Sciences (NCBS), Bangalore, India, during January 15-17, 2014.

177. Nanomaterials as Antioxidant Enzyme Mimetics. Invited Lecture at the National Conference on Green Processes and Nanomaterials (NCGPNM 2014) at Hindustan University, Chennai, India, during January 8-9, 2014.