August 2022: Senior Principal Scientist, Department of Biotechnology, Central Leather Research Institute, Adyar, Chennai

2017-2022 : Principal Scientist, Department of Biotechnology, Central Leather Research Institute, Adyar, Chennai

2013-2017: Senior Scientist, Department of Biotechnology, Central Leather Research Institute, Adyar, Chennai

2012-2013: Assistant Professor, Department of Biochemistry, King Saud University, Riyadh, Saudi Arabia.

2009-2012: Assistant Foreign Professor, School of Biotechnology, Youngman University, South Korea.

2007-2009: Postdoctoral Researcher, Division of Bimolecular Engineering, Pusan National University, S. Korea.

2006-2007: Invited Scientist, Bio-center division, Korea Polar Research Institute (KOPRI), S. Korea.

2001-2006: Ph.D. in Biotechnology, Pondicherry Central University, India.

Raman Fellowship by Council of Scientific and Industrial Research, India (2022)

Young Scientist Award Project by Department of Science and Technology, India (2014).

Uppsala University award by Uppsala University, Sweden (2012).  

RIKEN invited grant offered by RIKEN institute, Japan (2012).

Finn Wold Travel award offered by The Protein Society held at Boston, United States of America (USA) (2011).

Welcome trust international award (2009.)

International Postdoctoral Fellowship award from Korean science and Engineering, (KOSEF) S. Korea (2008).

University Postdoctoral Fellow award from Pusan National University, S. Korea (2007).

Senior Research Fellowship from Council of Scientific and Industrial Research (CSIR), Government of India (2005 - 2006).

Research Fellowship from University Grant Commission, Government of India (2001-2004)

Mayhco Research Fellowship Award for Attending International Conference, India (2005).

N.R. Kamini, P.B. Sujiritha, M. Aarthy, K. Rajaram, N. Ayyadurai, S. Sundarapandiyan, B. Ramanaiah, T. Shakila Shobana, B. Madhan and P. Saravanan (2020). An improved process for preparation of organic supplement.
Indian Patent Application No: 202011054645

A process for the hydrolysis of aliphatic and aliphatic-aromatic polymer and a mixture thereof;
Patent Number: 201711004359; Date of filing : 07/02/2017, India. 

3,4-dihydroxy-L-phenylalanine incorporation for protein based biosensor generation; April, 2011,
Patent Number: DP110321KR, South Korea

Protein polysaccharide conjugation by invivo incorporation of 3,4-dihydroxy-L-phenylalanine into proteins. April, 2011,
Patent Number: DP110322KR, South Korea.

Life Member of Biotech Research Society (BRSI), India

Life Member of Society for Biomaterials and Artificial Organs, India. 

Member of the protein Society, United States of America

Member of Korean Biotechnology and Bioengineering society [KSBB]

Member of Biotech Research Society of India [BRSI] 

Member of Association of Microbiologist in India[AMI]

Member of Korean Chemical Society in Republic of Korea

2013- 2014 : Teaching various biotechnology subjects to the B.Tech, Anna University students in CLRI, Chennai. 

2009- 2012: Teaching various subject to undergraduate and master students in School of Biotechnology, Yeungnam University, Gyeongsan, South Korea.

Course: Special Course in Biotechnology, Biochemistry, Molecular Biology, Biochemistry

2001-2006: Responsible for Microbiology and Molecular biology Practical course for Department of Biotechnology, Pondicherry University, India and supervised Master student thesis projects.

PhD Supervision:

7 Ph.D. completed;

7 Ph.D. Ongoing

N. Ayyadurai (2019) CSIR sponsored National Level seminar on Recent Trends in Nano Biosensors, Sengunthar Engineering College, Erode. 22-23rd February 2019.

N. Ayyadurai (2019) National conference on Biology and Medicine, Department of Zoology, Human Genetics and Molecular Biology, Bharathiar University, Coimbatore. 07th-08th February 2019.

N. Ayyadurai (2019) Seminar on Prevention and control of Emerging Vector Borne Infectious Diseases, J.K.K Nataraja College of Pharmacy, Kumarapalayam, Namakkal District. 23rd January 2019.

N. Ayyadurai (2018) International conference on Phytomedicine, Department of Botany, Bharathiar University, Coimbatore.29th -31st August 2018.

N. Ayyadurai (2018) Lecture on Summer Refresher Course on sciences, Pondicherry University, Pondicherry.16th July 2018.

N. Ayyadurai (2018) Lecture for the benefit of Post graduate and Research students, Department of Microbiology, Mohamed Sathak College of Arts and Science, Sholinganallur, Chennai .9th February, 2018.

N. Ayyadurai (2018) Guest of Honor for Best Teacher and Life time Achievement Award 2018 organised by Nehru Group of Institute, Coimbatore.28th January, 2018. 

N. Ayyadurai (2017) Guest Speaker on Enzyme Engineering, Department of Biotechnology, VIT University, Vellore. 25th October 2017.

N. Ayyadurai (2017) International conference on Biotechnology, Sathyabama University, Chennai. 26-27 February 2017.

N. Ayyadurai (2016) Biotechnology for Health, Mother therasa University, Kodaikannal, September 27-28, 2016.

N. Ayyadurai (2016) National workshop on Contemporary research in Genetic Engineering, Sri Venkataswara college of Engineering, Chennai, 9th-10th September, 2016.

N. Ayyadurai (2016) DBT sponsord Popular lecture in Biotechnology held at VIT University, 1st Sep. 2016

N. Ayyadurai (2016) ICMR sponsored national conference on Emerging Trends in Target Based Drug Discovery, Mother Theresa Post Graduate & Research Institute of Health Sciences, Puducherry 29th August, 2016.

N. Ayyadurai (2016) International symposium on Chemical Biology and Drug Discovery organised by Indian chemical biology society, Kolkata on 1- 2 March, 2016.

N. Ayyadurai (2016) National Conference on Futuristic Trends in Biotechnology and Computational Biology held at VIT University on October 13th &14th, 2016.

N. Ayyadurai (2015) International Seminar on Recent trends in Biological Research held at Department of Microbiology, Ayya Nadar Janaki Ammal Collage, Sivakasi 22nd December 2015.

N. Ayyadurai (2015) National Conference on Innovations and New Horizons in Algal Technology and Biotechnology at Department of Biotechnology, Kamaraj college of Engieering, Viruthunagar. 26th -27th February 2015.

N. Ayyadurai (2014) at Department of Biotechnology, St. Joseph College of Engineering, Chennai 31st 2015, January.

N. Ayyadurai (2014) International Conference on Physiology and Medicine. Department of Zoology, Periyar University, Salem. 15-17th 2014, October.

N. Ayyadurai (2014) National Seminar on Potential prograss in Biotechnological Research. Department of Biotechnology, Hindustan Collage of Arts and Science, Chennai. 9th 2014, September.

N. Ayyadurai (2013) National Seminar on Biotechnology for safer Environment: Current Developments and Future Priorities. Department of Botany, Hindu Collage, Guntur. AP. 9-10th2013, December.

N. Ayyadurai (2012). Intentional conference on Regulatory Network Architecture in Bacteria organized by School of Biotechnology and Bioengineering, SASTRA University, Thanjavur from march 09-11, 2012. 

N. Ayyadurai and Hyundon Yun. (2011). Genetic code engineering of For Protein Biosensor. International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Incheon, South Korea.

N. Ayyadurai, N. S. Prabhu, K. Deepankumar and Hyundon Yun. (2011). Genetic code engineering of recombinant protein with tyrosine surrogates and its application. 25th anniversary symposium of the protein society organized by the protein Society in Boston, United State of America.

N. Ayyadurai and Hyundon Yun. (2011). Genetic code engineering of GFP and its application. International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Jeju Island, South Korea.

N. Ayyadurai and Hyundon Yun. (2010). (Invited speaker). Expanding the genetic code. International conference on Greenomics 2010 organized by School of Life sciences, Hindustan University, Chennai, India. 

N. Ayyadurai and Hyundon Yun. (2010). (Oral Presentation). Developing novel biosensor and bioconjugants through genetic code engineering. International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Incheon, S. Korea.

N. Ayyadurai, S. Nagasundarapandian and Sun-Gu Lee. (2008). (Oral Presentation). Biological Synthesis of telechelic protein. International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Jeju Island, S. Korea.

N. Ayyadurai and N. Sakthivel (2006). (Oral Presentation).Diversity of antagonistic fluorescent pseudomonad in rice. International Meeting of the Federation of Korean Microbiological Societies. Seoul. S. Korea.

N. Ayyadurai and N. Sakthivel (2005). Metabolic diversity and numerical taxonomy of fluorescent pseudomonads isolated from rice rhizosphere soil in different geographical locations in India. Paper presented in International conference on Microbial diversity and current prospective held at University of Delhi (South campus), New Delhi.

N. Ayyadurai and S. Raju. (2000) Enumeration of hydrocarbon degrading and biosurfactant producing microorganisms in hydrocarbon polluting soils. Paper presented in National Conference in Recent Trends in Biotechnology held at Santana Dharma College, Kerela, India.

N. Ayyadurai and Hyungdon Yun. Genetic Code Engineering for Protein Biosensor. Korean Chemical Engineering meeting, Incheon, South Korea on October14 to 16, 2011.

N. Ayyadurai, Kangavel Deepankumar, Han-Seop Bae, SunGu Lee and Hyungdon Yun. Engineering of tyrosine codon with unnatural amino acid for development of metal-ion chelating biosensor. Korean Chemical Engineering meeting,Daegu, South Korea on April 21 to 23, 2010.

N. Ayyadurai, Kangavel Deepankumar, Han-Seop Bae, SunGu Lee and Hyungdon Yun. Periodate mediated protein-polysaccharide bioconjugation by reassignment of tyrosine codon. Korean Chemical Engineering meeting, Daegu, South Korea on April 21 to 23, 2010.

N. Ayyadurai, E. Selvakumar, S. Nagasundarapandian and Sun-Gu Lee. Engineering the Solubility of Green Fluorescence Protein for the Incorporation of Methionine Analogues. International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Dajeon, South Korea on 2009.

N. Ayyadurai, S. Nagasundarapandian and Sun-Gu Lee. Biological Synthesis of telechelic protein.International meeting on Biotechnology and Bioprocess Engineering organized by Korean Society of Biotechnology and Bioengineering, Jeju Island, South Korea on October 4-6, 2008.

N. Ayyadurai, E. Selvakumar, S. Nagasundarapandian and Sun Gu Lee.Engineering the activity and fodability of alkynylated Green Fluorescent Protein. Gordon Research Conference on Polymer Physics, Newport, United State of Americaon June 29, 2008.