1. CSIR Research Scholar in the Department of Microbiology., University of Madras
2. Assistant Professor
Madras Christian College 2004-2007-3 years
3. Assistant Professor :
Jerusalem College of Engineering .,Chennai 2009-2012-3 and a half years
4.Assistant professor - Women’s Christian college.2012-2015 -3 and a half years
1.Gounder Vimala,Preethi Jeyakumar,Anchana Devi,Anita Singh and Priya Iyer,2015 Azo Dye degrading bacteria fromTextile effluent International Journal of Current Microbiology and applied Science vol 4 issue 7 page 199-210
2.Anchana devi C,Merlin maman,Priya Iyer,anita Singh and Preethi Jeyakumar 2016 Identification and Anti microbial activity of bioactive compound from Saaca Asoca International journal of current Pharmaceutical research Vol 8(1) 57-61
3.S.P Thyagarajan S Jayaraman V .GopalaKrishnamn R Hari P.Jeyakumar and M.S Sripathi 2002 herbal medicines for Liver Diseases in India .journal of gastroenterology and Hepatology 2002 17 S370-s376
4.Thilagavathy Thangaswamy Marimuthu., Sivanandane Sittajody,Preethi Jeyakumar Anthony Geoge Joyee Erin Mendosa Pannerselvam Chinnakkannu2007.Role of carnitine in modulation of immune response in aged rats Clinica Chimica Acta 389(2008)19-24
5. Thilagavathy Thangaswamy,Preethi Jeyakumar, ., Sivanandane Sittajody, Anthony Geoge Joyee Pannerselvam Chinnakkannu.L-Carnitine mediates protection against DNA damage in Lymphocytes of Aged rats Biogerentology (2009)10:163-172.
6.Asmeet Kaur , Preethi Jeyakumar,Anchana Devi,Anita Singh and Priya Iyer.,Degradation of Azo dyes present in Textile Effluents World Journal of Pharmacy and pharmaceutical sciences Vol 5 Issue 4 1191-1202
1. S.P Thyagarajan S Jayaraman V .GopalaKrishnamn R Hari and Preethi .Jeyakumar current Status of phyllanthus amarus and other herbal drugs in conventional and alternativw treatment of chronic Hepatitis B Indian Medicine and Homeopathy Journal Oct-Dec 2001
Patents:Patent held on :
A novel process for the preparation of Anti hepatitis actives from Indian Medicinal plants .Indian Patents Act 1970.