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Dr. T. Sanjoy Singh

Dr. Takhellambam Sanjoy Singh

Assistant Professor

Department of Chemistry

Email: takhelsingh@gmail.com

Phone: 8812933021

Personal Page

Education:

Ph.D. (Physical Chemistry), North-Eastern Hill University, Shillong, 2010

M. Sc. (Chemistry), North-Eastern Hill University, Shillong, 2004

B.Sc. St. Anthony’s College, Shillong, 2002

Teaching & Research Experience:

Assistant Professor: 

1. Guest Faculty (Lecturer), Department of Chemistry, Nagaland University, Lumani, Campus, Nagaland, India.

2. Assistant Professor, Department of Chemistry, Assam University, Silchar-788 011, Assam, India (2011 till now).

Post-Doctoral Research:  

1. Prof. G. Krishnamoorthy, Department of Chemical Sciences, Tata Institute of Fundamental Research (TIFR), Mumbai (2010-2011)

Awards & Distinctions:

1. Graduate Merit Scholarship (1999-2002)

2. Post Graduate Merit Scholarship (2002- 2004)

Administrative Experience:

  1. Members, DAC, DPC and BPGS, Department of Chemistry, Assam University, Silchar.

Conference/Seminar Organized:

  1. Co-Conveners, National Conference on Emerging Materials (NCEM-2018), Department of Chemistry, Assam University, Silchar during March 20-22, 2018.
  2. Treasurer, National Conference: Current Perspectives on Research on Chemical Sciences (CPRCS-2015), Department of Chemistry, Assam University, Silchar during March 25-26, 2015.

Research Interests:

  1. Time Resolved Fluorescence
  2. Fluorescence Probes and Chemosensory Materials
  3. Bio-molecular interactions
  4. 4. Surface Chemistry

Research Guidance:

PhD Students:

Awarded:

  1. Fluorescence modulation by selected transition metal ions in Schiff-based systems, Mr. Nayan Roy, (2013-2019).

Ongoing:

  1. Fluorescence modulation of some selected donor-acceptor systems in homogeneous and micro-heterogeneous environments, Surjatapa Nath (2015-till now).

M.Sc.  Students:

Total: 31 students (from year 2010 to 2020)

Research Project:

Completed:

  1. Synthesis, Structural and Photophysical Properties of a Novel Class of Schiff Base: A New Fluorescent Chemosensory Material, UGC-BSR Project, Total Amount Sanctioned. Rs.6.00 Lakhs, Completed (2012-2014).
  2. Synthesis and Spectroscopic Characterization of a Novel Class of Schiff Base: A New Fluorescent Chemosensory Materials and Second Order Nonlinear Optical Properties, DST-SERB Project, Total Amount Sanctioned. Rs. 24.5 Lakhs, Completed (2014-2017).

Ongoing:

  1. Development of intracellular fluorescent chemosensor for various metal ions using experimental and computational methods, SERB Project, Total Amount Sanctioned. Rs.36.57 Lakhs, Ongoing (2019-2022).

List of Publications (last 5 years):

  1. A highly sensitive and selective fluorescent chemosensor for detection of Zn2+ based on a Schiff base. Nayan Roy, Harun A. R. Pramanik, Pradip C. Paul, T. Sanjoy Singh, Spectrochimica Acta A Molecular and Biomolecular Spectroscopy, 2015, 140, 150-155.
  2. Fluorescence properties of Schiff base – N, N/-bis(salicylidene) – 1, 2-phenylenediamine in presence of bile acid host. Nayan Roy, Pradip C. Paul, T. Sanjoy Singh, Spectrochimica Acta A Molecular and Biomolecular Spectroscopy, 2015, 142, 331-338.
  3. A new turn-on fluorescent chemosensor based on sensitive Schiff base for Mn2+ ion. Nayan Roy, Abhijit Dutta, Paritosh Mondal, Pradip C. Paul, T. Sanjoy Singh Journal of Luminescence, 2015, 165,167-173.
  4. Fluorescence characteristics of Schiff base-N,N/bis (salicylidene) trans 1,2 diaminocyclohexane in the presence of bile acid host. Nayan Roy, Pradip C. Paul, T. Sanjoy Singh. Journal of Molecular liquids, 2015, 211, 1052-1059.
  5. A new coumarin based dual functional chemosensor for colorimetric detection of Fe3+ and fluorescence turn-on response of Zn2+.Nayan Roy, Abhijit Dutta, Paritosh Mondal, Pradip C. Paul, T. Sanjoy Singh, Sensors and Actuators B: Chemical, 2016, 236, 719-731.
  6. A highly efficient and selective coumarin based fluorescent probe for colorimetric detection of Fe3+ and fluorescence dual sensing of Zn2+ and Cu2+. Nayan Roy, Surjatapa Nath, Abhijit Dutta, Paritosh Mondal, Pradip C. Paul, T. Sanjoy Singh. RSC Advances, 2016, 6, 63837-63847.
  7.  Modulation of ESIPT fluorescence in o-hydroxy acetophenone derivatives: A comparative study in different bio-mimicking aqueous interfaces, P. M. Gashnga, T. Sanjoy Singh, S. Mitra, Journal of Molecular Liquids, 2016, 218, 549-557.
  8. Coumarin based fluorescent probe for colorimetric detection of Fe3+ and fluorescence turn on-off response of Zn2+ and Cu2+. Nayan Roy, Abhijit Dutta, Paritosh Mondal, Pradip C. Paul, T. Sanjoy Singh, Journal of Fluorescence, 2017, 27, 1307-1321.
  9. Fluorescence behavior of Schiff base – N, N′-bis(salicylidene) trans 1, 2-diaminocyclohexane in proteinous and micellar environments. Nayan Roy, Surjatapa Nath, Pradip C. Paul, T. Sanjoy Singh, Journal of Fluorescence, 2017, 27, 2295-2311.
  10. Photophysics of a coumarin based Schiff base in solvents of varying polarities.  Saptarshi Ghosh, Nayan Roy, T. Sanjoy Singh, Nitin Chattopadhyay, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2018, 188, 252-257.
  11. Cavity size dependent stoichiometry of probe-cyclodextrin complexation: Experimental and molecular docking demonstration, Sinjan Das, Surjatapa Nath, T. Sanjoy Singh, Nitin Chattopadhyay, Journal of Photochemistry & Photobiology A: Chemistry, 2020, 388, 112158-112166.

Books/ book chapters:

  1. Intramolecular Charge Transfer in Cinnamic Acid Derivatives. S. Mitra, T. Sanjoy Singh, Lap Lambert Academic Publishing, Germany (ISBN: 978-3-659-53468-3) 2014, Pages: 1-165.