IIEST, Shibpur

Indian Institute of Engineering Science and Technology, Shibpur

(Formerly Bengal Engineering and Science University, Shibpur)

Empowering the nation since 1856

आई आई ई एस टि, शिवपुर

भारतीय अभियांत्रिकी विज्ञान एवं प्रौद्योगिकी संस्थान, शिवपुर

(पूर्व में बंगाल इंजीनियरिंग एंड साइंस यूनिवर्सिटी)

१८५६ से देश को सशक्त बनाना

Dr. Ajit Kumar Mahapatra

Professor & Head

Department of Chemistry

Academic Qualifications

  • M.Sc.
  • Ph.D.



  1. Mobile: +91 94345 08013


  1. Office: Department of Chemistry, IIEST, Shibpur, Howrah 711 103
  2. Residence: Netaji Nagar, Sekh pura, Midnapore Town, Paschim Medinipur 721 101, WB
  3. EMail: akmahapatra@chem.iiests.ac.in, mahapatra574@gmail.com, mahapatraak@outlook.com

Area of Research

  • Organic Synthesis
  • Chemosensor
  • Chemodosimeter
  • Supramolecular Chemistry

About our lab

My current research interests include the design and synthesis of Chemosensor and Chemodosimetric based Fluoroionophore, the development of synthetic receptors for the selective detection of analytes in complex media, and colorimetric and fluorimetric chemosensors for sensing environmentally and biologically relevant metal ions as well as anions, fluorescent switches, and the study of the underlying photophysical and photochemical signaling as well as recognition processes.

Courses Undertaken

  • Newer reagent for organic synthesis
  • Stereochemistry
  • Photochemistry
  • Alkaloids
  • Retro and Total synthesis of bioactive molecules
  • Supramolecular Chemistry
  • Ph.D. Course Work

Recent Publications 

  1. Gangopadhyay, A. K.;  Ali, S. S.;  Guria, U. N.; Samanta, S. K.; Sarkar, R.  Datta, P  and  Mahapatra, A. K.* A ratiometric hypochlorite sensor guided by PET controlled ESIPT output with real time application in commercial bleach, New J. Chem., 2018,42, 15990-15996.
  2. Ali, S.S.; Gangopadhyay, A.;  Pramanik, A. K.;  Samanta, S. K.; Guria, U. N.;  Manna, S.;  and  Mahapatra , A. K.* Real time detection of the nerve agent simulant diethylchlorophosphate by non fluorophoric small molecules generating cyclization induced fluorogenic response, Analyst, 2018,143, 4171-4179.
  3. Gangopadhyay, A.; Maiti, K.; Ali, S. S.; Pramanik, A.K.; Guria, U. N.;  Samanta, S. K.; Sarkar, R.; Datta, P.;  Mahapatra, A. K.* A PET based fluorescent chemosensor with real time application in monitoring formaldehyde emission from plywood, Anal.Methods, 2018,10, 2888-2894.
  4. Karmakar, P.; Manna, S.; Ali, S.S.; Guria, U.N.; Sarkar, R.; Datta, P.; Mandal, D.; Mahapatra, A. K.* Reaction-based ratiometric fluorescent probe for selective recognition of sulfide anions with a large Stokes shift through switching on ESIPT, NewJ.Chem., 2018, 42, 76.
  5. Manna, S.; Karmakar, P.; Ali, S.S.; Guria, U. N.; Sarkar, R.; Datta, P.; Mandal, D.; and Mahapatra, A. K.* A Michael addition–cyclization-based switch-on fluorescent chemodosimeter for cysteine and its application in live cell imaging, New J. Chem., 2018, 42, 4951-4958.
  6.  Ali, S. S.; Gangopadhyay, A.; Maiti, K.; Mondal, S.; Pramanik, A.K.; Guria, U. N.; Uddin, M.R.; Mandal, S.; Mandal, D.; Mahapatra, A. K.* A chromogenic and ratiometric fluorogenic probe for rapid detection of a nerve agent simulant DCP based on a hybrid hydroxynaphthalene -hemicyanine dye, Org. Biomol. Chem., 2017, 15, 5959-5967.
  7. Mahapatra A. K.*, Ali S. S., Maiti K., Mondal S., Maji R., Manna S., Manna S. K., Uddin M. R. and Mandal S., Highly sensitive ratiometric fluorescence probes for nitric oxide based on dihydropyridine and potentially useful in bioimaging, RSC Advances, 2016, 6, 113219.
  8.  Mahapatra, A. K.*; Maiti, K.; Manna, S. K.; Maji, R.; Mondal, S.; Mukhopadhyay, C. D.; Sahoo, P.; Mandal, D.; A cyclization-induced emission enhancement (CIEE)-based ratiometric fluorogenic and chromogenic probe for the facile detection of a nerve agent simulant DCP, Chemical Communications, 201551, 9729 - 9732.
  9. Mahapatra, A. K.*; Maiti, K.; Manna, S. K.; Maji, R.; Mukhopadhyay, C. D.; Pakhira, B.; Sarkar, S. Unique fluorogenic 'ratiometric' fluorescent chemodosimeter for rapid sensing of CN− in water, Chemistry–An Asian Journal , 2014, 9, 3623-3632.
  10. Mahapatra, A. K.*; Manna, S. K.; Mandal, D.; Mukhopadhyay, C. D.; Highly Sensitive and Selective Rhodamine-Based “Off−On”Reversible Chemosensor for Tin (Sn4+) and Imaging in Living Cells, Inorganic Chemistry, 2013, 52, 10825−10834.

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