66. Synthesis and Biological Activities of Antithyroid Drugs and their Analogues. Invited Lecture at the National Conference on "Frontiers in Chemistry Research", Holy Cross College, Trichy, INDIA, on December 5, 2008. 

65. Zinc and Bacterial Drug Resistance: Hydrolysis of Broad Spectrum Antibiotics by Metallo-b-lactamases. Invited Lecture at the TWAS 19th General Meeting & 25th Anniversary Celebration, Mexico City, MEXICO, Nov. 08-13, 2008. 

64. Zinc Enzymes. Workshop for College Chemistry Students and Teachers, Sponsored by the Foundation for Capacity Building in Science (FCBS), Trivandrum, and the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, INDIA, October 13-15, 2008.

63. Metalloproteins as Drug Targets. Workshop for College Chemistry Students and Teachers, Sponsored by the Foundation for Capacity Building in Science (FCBS), Trivandrum, and the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore, INDIA, October 13-15, 2008.

62. Biomimetic Studies on Antithyroid Drugs and Thyroid Hormone Synthesis. Invited Lecture at the one-day lecture series - D. S. Shastry Endowment Lectures, organized jointly by St. Joseph's College and Royal Society of Chemistry (Deccan Section), Bangalore, October 11, 2008.

61. Metals in Biology - Part I and II, Two lectures. REAP-BIOLOGY: Chemistry in Biology, organized by Planetarium and Indian Institute of Science, Bangalore, October 04, 2008.

60. Role of Metallo-b-lactamase in Antibiotic Resistance. Invited Lecture at the IISc-Nagoya University Joint Science and Technology Seminar: From Nanoscience to Atmospheric Research, organized jointly by the Indian Institute of Science, Bangalore and Nagoya University, Japan, June 16, 2008.

59. Bio and Medicinal Inorganic Chemistry. Lecture Workshop on Current Topics in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and the Department of Chemistry, St. Thomas College, Pala, INDIA, April 10-11, 2008.

58. Bioinorganic Chemistry: Metalloproteins. Lecture Workshop on Current Topics in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and the Department of Chemistry, St. Thomas College, Pala, INDIA, April 10-11, 2008.

57. Bacterial Drug Resistance - Antibiotics and Zinc Hydrolases. Department of Chemistry, Indian Institute of Technology, Kanpur, INDIA, March 07, 2008.

56. Zinc Hydrolases and Bacterial Drug Resistance. Invited Lecture at the "2nd UK-India Symposium on Chemical Sciences", at Indian Institute of Science, Bangalore, INDIA on January 31, 2008. 

55. Heme Proteins: from Oxygen Transport to Enzyme Catalysis. Invited Lecture at the "National Symposium on Frontier Areas in Chemistry (NSFAR)" for the Golden Jubilee Celebrations at the Department of Chemistry, The American College, Madurai, INDIA during January 10-11, 2008. 

54. Antibiotic Resistance and Metallo-beta-lactamases. Invited Lecture at the "National Conference on Current Trends in Biochemistry (Biochem-07)" for the Diamond Jubilee Celebrations at the Department of Biochemistry, RTM Nagpur University, INDIA during December 27-29, 2007. 

53. Zinc Enzymes and their Synthetic Analogues. Winter School in Bioinorganic Chemistry, Sponsored by the Department of Science and Technology (DST) and organized by the Department of Chemistry, Indian Institute of Technology, Bombay, INDIA, Nov. 17-30, 2007.

52. Peroxidases in Biology and Medicine. Winter School in Bioinorganic Chemistry, Sponsored by the Department of Science and Technology (DST) and organized by the Department of Chemistry, Indian Institute of Technology, Bombay, INDIA, Nov. 17-30, 2007.

51. Bioinorganic Chemistry of Zinc Hydrolases. Invited Lecture in the "Frontiers of Chemistry - An Indo-German Symposium" at the Indian Institute of Technology, Kanpur, INDIA during October 26-28, 2007. 

50. Bioinorganic Chemistry - Metalloproteins. Frontier Lectures in Chemistry, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and Post-graduate Department of Chemistry, VV Pura College of Science, Bangalore, INDIA, Sep. 24-27, 2007.

49. Bioinorganic Chemistry: Medicinally Important Metalloproteins. Workshop on Recent Trends and Advances in Basic Sciences and Mathematics, organized jointly by the Indian Academy of Sciences, Indian National Science Academy, The National Academy of Sciences, and M E S Science Center, Bangalore, INDIA, Sep. 24-27, 2007.

48. Recent Advances in the Chemistry of Anti-thyroid Drugs. School of Chemistry, University of Hyderabad, INDIA, July 05, 2007.

47. Selenium Analogues of Anti-thyroid Drugs. Invited Lecture in the "10th International Conference on the Chemistry of Selenium and Tellurium (ICCST-10)" at the University of Lodz, Lodz, POLAND during June 22-27, 2007. 

46. Bioinorganic Chemistry: Some Recent Developments. Invited Lecture at the "National Conference on Recent Advances in Chemistry (RAC-2007)" at Periyar University, Salem, INDIA during March 01-02, 2007. 

45. Bio and Medicinal Inorganic Chemistry. Lecture Workshop in Chemistry, organized by the Indian Academy of Sciences and the Department of Chemistry, Mangalore University, INDIA, Feb. 10-11, 2007.

44. Bioinorganic Chemistry - Metalloproteins. Lecture Workshop in Chemistry, organized by the Indian Academy of Sciences and the Department of Chemistry, Mangalore University, INDIA, Feb. 10-11, 2007.

43. Bio and Medicinal Inorganic Chemistry - Part II. Workshop for College Chemistry Students and Teachers, Sponsored by the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore and the Foundation for Capacity Building in Science (FCBS), Trivandrum, INDIA, November 27-29, 2006.

42. Bio and Medicinal Inorganic Chemistry - Part I. Workshop for College Chemistry Students and Teachers, Sponsored by the Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bangalore and the Foundation for Capacity Building in Science (FCBS), Trivandrum, INDIA, November 27-29, 2006.

41. Bioinorganic Chemistry - II. UGC-sponsored Refresher Course for college and university teachers on "Current Trends in Chemistry", School of Chemistry, Madurai Kamaraj University, Madurai, INDIA, November 16, 2006.

40. Bioinorganic Chemistry - I. UGC-sponsored Refresher Course for college and university teachers on "Current Trends in Chemistry", School of Chemistry, Madurai Kamaraj University, Madurai, INDIA, November 16, 2006.

39. Biomimetic Studies on Anti-thyroid Drugs and Thyroid Hormone Synthesis. Invited Lecture at the "National Conference in Chemistry (NCC)" at Central College, Bangalore University, INDIA during September 27-29, 2006.

38. Structural and Biological Studies on Thiones and Selones. Kanagawa University, Kanagawa, JAPAN, September 05, 2006.

37. Synthetic and Biochemical Studies on Anti-thyroid Drugs and their Selenium Analogues. Kitasato University, Kanagawa, JAPAN, September 04, 2006.

36. Inhibition of Tyrosine Iodination and Antioxidant Activity of Synthetic Antithyroid Drugs. Doshisha University, Kyoto, JAPAN, September 01, 2006.

35. Synthetic and biochemical studies on Anti-thyroid Drugs. Wakayama University, Wakayama, JAPAN, August 31, 2006.

34. Synthetic and biochemical studies on Anti-thyroid Drugs. Osaka University, Osaka, JAPAN, August 30, 2006.

33. Applications of Thiones and Selones as Anti-thyroid Drugs. Tokai University, Kanagawa, JAPAN, August 29, 2006.

32. Biomimetic Studies on the Inhibition of Thyroid Hormone Synthesis by Anti-thyroid Drugs. Waseda University, Tokyo, JAPAN, August 28, 2006.

31. Anti-thyroid Drugs and Thyroid Hormone Synthesis: A Biomimetic Study. Invited Lecture at the 22nd International Symposium on the Organic Chemistry of Sulfur (ISOCS-22) at Saitama, JAPAN during August 20-25, 2006.

30. Iodine in Biological Systems: Iodination and Deiodination Reactions and their Applications in Biology and Medicine. Summer School on "The Role of Iodine and Biological Systems and in Material Science", University of Ioannina, Ioannina, GREECE, June 29, 2006.

29. Iodine and Thyroid Hormone Metabolism: A Bioinorganic Chemistry Approach. Invited Lecture at the 3rd International Symposium on Halogen Chemistry (HALCHEM-III) at Ioannina, GREECE during June 28-July 01, 2006.

28. Anti-thyroid Drugs and Thyroid Hormone Metabolism - A Biomimetic Study. Institute of Inorganic and Analytical Chemistry, Technical University, Braunschweig, GERMANY, March 22, 2006.

27. Selenium-based Drugs Development. Invited Lecture in the 3rd Symposium of German Research Council on Selenoproteins at Berlin, GERMANY during March 19-21, 2006. 

26. Thyroid Hormones and Anti-thyroid Drugs. Hindustan Lever Research Centre, Bangalore, INDIA, March 16, 2006.

25. Chemical Biology of Peroxidases. Prof. C. Srinivasan Endowment Lecture, Madurai Kamaraj University, Madurai, INDIA, March 03, 2006.

24. Antibiotic Resistance: A Bioinorganic Chemistry Approach. In-house Symposium, Division of Chemical Sciences, Jan. 28, 2006.

23. Bio and Medicinal Inorganic Chemistry. One-Day Symposium on Recent Trends in Chemistry, The American College, Madurai, INDIA, Jan. 27, 2006.

22. Thyroid Hormone Synthesis and Anti-thyroid Drugs: A Bioinorganic Chemistry Approach. Invited Lecture at the "National Conference on Chemical Sciences for Industry and Society" at Kuvempu University, Shankaraghatta, INDIA during Jan. 06-08, 2006. 

21. Thyroid Hormone Synthesis and Anti-thyroid Drugs: A Bioinorganic Chemistry Approach. Invited Lecture at the "Symposium on Modern Trends in Inorganic Chemistry (MTIC-XI)" at Indian Institute of Technology (IIT), Delhi, INDIA during Dec. 08-10, 2005. 

20. Chemical Biology of Selenoenzymes and Synthetic Mimics. Lecture Programme for Young Participants, DST Workshop on Bioinorganic Chemistry, IISc, Bangalore, INDIA, Oct. 20-22, 2005.

19. Thyroid Hormone Synthesis and Anti-Thyroid Drugs: Complexities and Controversies. DST Workshop on Bioinorganic Chemistry, IISc, Bangalore, INDIA, Oct. 20-22, 2005.

18. Chemical Biology of Thyroid Hormone Synthesis and Anti-thyroid Drugs. Lecture Programme on Chemistry for Society (Reactions to Reality), sponsored by the Indian Academy of Sciences, at Sri Sathya Sai Institute of Higher Learning, Prasanthinilayam, INDIA, Sep. 24-26, 2005.

17. Chemical Biology of Selenoenzymes and Synthetic Mimics. Nankai University, Tianjin, CHINA, August 23, 2005.

16. Organometallic and Biomimetic Chemistry: Chemical Biology of Selenoenzymes and Synthetic Mimics. Jilin University, Changchun, CHINA, August 22, 2005.

15. Biomimetic Studies on the Inhibition of Thyroid Hormone Synthesis by Anti-thyroid Drugs. Invited Lecture in the "40th IUPAC International Congress on Innovation in Chemistry" at the International Convention Center, Beijing, CHINA during Aug. 14-19, 2005.

14. Bio and Medicinal Organometallic Chemistry. Workshop on Organometallic Chemistry, Bhabha Atomic Research Centre, Mumbai, INDIA, April 18-20, 2005.

13. Mechanism of the Inhibition of Thyroid Hormone Synthesis by Anti-thyroid Drugs. University of Hyderabad, INDIA, March 15, 2005.

12. Antioxidant Activity of Selenoenzymes and Synthetic Selenium Compounds. Invited Lecture at the "International Conference on "Antioxidants & Free Radicals in Health-Nutrition & Radio-Protectors" and "IV Annual Conference of Society for Free Radical Research in India (SFRR)" at St. John's Medical College, Bangalore, INDIA during Jan. 10-12, 2005. 

11. Mechanism of the Inhibition of Metalloproteins by Anti-thyroid Drugs. Invited Lecture at the "National Symposium on Chemistry at the Inorganic and Organic Interface" at Indian Institute of Technology (IIT), Guwahati, INDIA during Dec. 6-7, 2004. 

10. Inhibition of Lactoperoxidase (LPO) by Anti-thyroid Drugs. Indo-French Seminar on Structure and Function of Metalloenzymes, Goa, INDIA, December 3-5, 2004.

9. Anti-thyroid Action of Thiourea Drugs: Complexities and Controversies. In-house Symposium, August 19, 2004.

8. Biomimetic Studies on Selenoenzymes: Iodothyronine Deiodinases. Session Lecture at the "9th International Conference on the Chemistry of Selenium and Tellurium (ICCST-9)" at Indian Institute of Technology (IIT), Bombay, INDIA during Feb. 23-27, 2004. 

 

7. Bioorganometallic Chemistry: Selenoenzymes and their Biological Functions. Invited Lecture at the National Symposium on "Recent Developments in Organometallic Chemistry (REDOM-2003)" at the Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli, INDIA during March 27-28, 2003. 

6. Anti-thyroid Action of Thiourea Drugs: Modelling the Inhibition of Iodothyronine Deiodinases. Bharathidasan University, Trichirapalli, INDIA, August 24, 2001.

5. Anti-thyroid Action of Thiourea Drugs: Modeling the Inhibition of Iodothyronine Deiodinases. Department of Chemistry, Indian Institute of Technology, Bombay, India, 27th July 2001.

4. New Functions of Thioredoxin Reductases. Biotechnology Center, Indian Institute of Technology, Bombay, INDIA, July 26, 2001.

3. Selenium Compounds Against Reactive Oxygen Species. Invited Lecture at the International Conference on Natural Antioxidants and Free Radicals in Human Health and Radiation Biology at Bhabha Atomic Research Centre, Bombay, INDIA during July 21-24, 2001. 

2. Reaction of Selenenyl Iodides with Thiourea Drugs: Modeling the Inhibition of Iodothyronine Deiodinases. Invited Lecture at the Symposium of German Research Council on Selenoproteins at Wuerzburg, GERMANY during February 16-17, 2001. 

1. Biomimetic Studies on the Iodothyronine Deiodinase. University of Wuerzburg, GERMANY, May 8, 2001.