iitkiitkUltrafast Spectroscopy Laboratory
Department of Chemistry
Indian Institute of Technology Kanpur



Group Photo (April 2019)



Principal Investigator

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Prof. Pratik Sen  

Professor (December 2018 onwards)
Associate Professor (July 2014 to November 2018)
Assistant Professor (December 2008 to June 2014)
Post Doctoral Research: RIKEN, Japan. June 2006 to         November 2008.
Ph.D: IACS, Kolkata, May 2006.
EMAIL: psen@iitk.ac.in  

Present Members

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Dr. Gulab Singh Maurya  email email

Post Doctoral Fellow.
Joined September 2018.

RESEARCH INTERESTS: Laser Induced Breakdown Spectroscopy.
PhD From: University of Allahabad, Uttar Pradesh.
M.Sc. From: IIT Guwahati, Guwahati.
EMAIL: gulabsmaurya@gmail.com 

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Dr. Ejaj Tarif  email email

Post Doctoral Fellow.
Joined October 2020.

RESEARCH INTERESTS: Protein dynamics in deep eutectic solvents.
PhD from: S.N Bose National Centre for Basic Sciences, Kolkata.
M.Sc. from: Pondicherry University, Puducherrey
EMAIL: tarifejaj@gmail.com 

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Navin Subba   email

Ph.D Student.
Joined July 2014.

RESEARCH INTERESTS: Heterogeneity of Deep Eutactic Solvents.
M.Sc. From: Sikkim University, Gangtok.
B.Sc. From: Nar Bhadur Bhandari College,Tadong,Sikkim
EMAIL: navins@iit.ac.in  

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Nilimesh Das  email email

Ph.D Student.
Joined July 2015.

RESEARCH INTERESTS: Structure-Dynamics-Activity Relationship of Proteins.
M.Sc. From: Presidency University, Kolkata.
B.Sc. From: Scottish Church College, Kolkata
EMAIL: nilimesh@iitk.ac.in  

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Aritra Das  email email

Ph.D Student.
Joined July 2015.

RESEARCH INTERESTS: Ultrafast Dynamics in Confined Environment
M.Sc. From: Presidency University, Kolkata.
B.Sc. From: Presidency College, Kolkata.
EMAIL: aritrad@iitk.ac.in  

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Shovon Chatterjee  email email

Ph.D Student.
Joined July 2016.

RESEARCH INTERESTS: Synthesis and spectroscopic study of perovskites.
M.Sc. From: Presidency University, Kolkata.
B.Sc. From: Narasinha Dutt College, Howrah.
EMAIL: shovon@iitk.ac.in 

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Arghya Sen  email email

Ph.D Student.
Joined May 2019.

RESEARCH INTERESTS: Perovskite nanocrystal synthesis, stabilization and application.
M.Sc. From: Kalyani University, Kalyani.
B.Sc. From: Barasat Goverment College, kolkata.
EMAIL: arghyas@iitk.ac.in 

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Abhijit Dutta  email email

Ph.D Student.
Joined July 2019.

RESEARCH INTERESTS: Ultrafast Spectroscopy.
M.Sc. From: IIT Bhubaneswar, Bhubaneswar.
B.Sc. From: Dinabandhu Andrews College, Kolkata.
EMAIL: dabhi@iitk.ac.in 

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Kuldeep Singh Negi  email email

Ph.D Student.
Joined July 2019.

RESEARCH INTERESTS: Spectroscopic study of protein-osmolyte interaction.
M.Sc. From: Pt.L.M.S.PG COLLEGE,RISHIKESH.
B.Sc. From: Acharya Narendra Dev College, Delhi
EMAIL: negiks@iitk.ac.in 

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Tanmoy Khan  email email

Ph.D Student.
Joined July 2019.

RESEARCH INTERESTS: Correlating Structure, Dynamics and Activity of Protein inside Deep-eutectic Solvents..
M.Sc. From: IIT Hyderabad.
B.Sc. From: Ramkrishna Mission Residential college, Narendrapur, Kolkata .
EMAIL: tanmoyk@iitk.ac.in 

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Sandeep Yadav  email email

Ph.D Student.
Joined July 2019.

RESEARCH INTERESTS: Behaviour of proteins in crowded milieu.
M.Sc. From: IIT Kanpur.
B.Sc. From: Banaras Hindu University, Banaras.
EMAIL: ysandeep@iitk.ac.in 

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Suman Bhowmik  email email

Ph.D Student.
Joined August 2020.

RESEARCH INTERESTS: To be updated.
M.Sc. From: NIT Jamshedpur,Jharkhand.
B.Sc. From: St. Xavier's college, Kolkata .
EMAIL: sbhowmik20@iitk.ac.in 

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Dipra Ghara  email email

Ph.D Student.
Joined December 2020.

RESEARCH INTERESTS: To be updated.
M.Sc. From: Presidency University, Kolkata.
B.Sc. From: Presidency University, Kolkata .
EMAIL: dipra20@iitk.ac.in 

Present M.Sc Students

1.   Ambika Prasad Kaur
        Duration: Dec 2020 to April 2021
        Thesis Title: Structural insight into DES from Vibrational Spectroscopy

Past PhD Students

7.  Dr. Vipin Kumar Jain (PhD Student)
        Duration: July 2012 to February 2021 (Awarded on Feb 01, 2021)
        Thesis Title: Fluorescence Sensing of Biologically Relevant Cations and Anions
        Present affiliation:

6.  Dr. Vaisakh Mohan K (PhD Student)
        Duration: July 2012 to April 2019 (Awarded April 05, 2019)
        Thesis Title: Picosecond Hydration Dynamics at the Protein Core and the Effect of Perturbed Environment
        Present affiliation: Assistant Professor at St. Joseph's College (Calicut University), Irinjalakuda, Kerala

5.  Dr. Puspal Mukherjee (PhD Student)
        Duration: July 2012 to July 2018 (Awarded on July 20, 2018)
        Thesis Title: Modulation of Ultrafast Excited State Dynamics in SDS Micelle
        Present affiliation: Assistant Professor of Chemistry, School of Sciences, Netaji Subhas University, Kolkata, West Bengal

4.  Dr. Bhaswati Sengupta (PhD Student)
        Duration: December 2011 to March 2018 (Awarded on March 06, 2018)
        Thesis Title: Modulation of Ultrafast Excited State Dynamics in SDS Micelle
        Present affiliation: Post-doctoral fellow, Pennsylvania State University, USA

3.  Dr. Shradhey Gupta (PhD Student)
        Duration: July 2009 to February 2015 (Awarded on February 13, 2015)
        Thesis Title: Spectroscopic Investigation of Alcohol-Chlorinated Methane Synergistic Binary Solvent Mixtures and its         Application
        Present affiliation: Post-doctoral fellow, Sagar University, India

2.  Dr. Rajeev Yadav (PhD Student)
        Duration: December 2008 to September 2014 (Awarded on September 27, 2014)
        Thesis Title: Domain Specific Interactions, Unfolding and Ultrafast Dynamics of Human and Bovine Serum Albumin: A         Bulk and Single Molecular Level Study
        Present affiliation: Present affiliation: Post-doctoral fellow, Michigan State University, USA

1.  Dr. Shahnawaz Rafiq Rather (PhD Student)
        Duration: July 2009 to January 2014 (Awarded on January 04, 2014)
        Thesis Title: Ultrafast Excited State Twisting Dynamics of Molecular Systems in Condensed Phase
        Present affiliation: Present affiliation: Post-doctoral fellow, Princeton University, USA

Past Post Dotoral Researchers

2.  Dr. Vijaykant Khorwal (Post Doctoral Researcher)
        Duration: July 2016 to June 2018
        Research Interests:Mechanistic Understanding of Perovskite Solar Cells
        PhD From:IIT Bombay,Mumbay
        EMAIL: vijaykant.iitb@gmail.com 

1.  Dr. Serajul Haque Faizi (Post Doctoral Researcher)
        Duration: March 2013 to March 2014
        Research Interests:Synthesis and Characterization of Fluorescent Active Compounds and Metal Complexes for         Ultrafast Spectroscopic Studies
        Present Affiliation: Assistant Professor, Department of Chemistry, Langat Singh College, B. R. A Bihar University ,          India
        EMAIL: faizichemiitg@gmail.com 

Past MSc Project Students

26.  Ritwik Hazra , (MSc Project Student)
        Duration: December 2019 to April 2020
        Project Title: contemplating heterogeneity Through Spectroscopic Approach
        Current: MSC Completed

25.  Mainak Ghosal, (MSc Project Student)
        Duration: December 2019 to April 2020
        Project Title: Potassium-Induced Passivation of Deep Traps in Bismuth-Doped
        Hybrid Lead Bromide Perovskite Nanocrystals: Massive Amplification of Photoluminescence Quantum Yield mechanism
        Current: MSC Completed

24.  Pratyush Ghosh, (MSc Project Student)
        Duration: December 2018 to April 2019
        Project Title: Chiral induction on the ultrafast event of excited state proton transfer and correlation with
        mechanism.
        Current: MSC Completed

23.  Sandeep Yadav, (MSc Project Student)
        Duration: December 2018 to April 2019
        Project Title: Study of Protein Dynamics.
        Current: MSC Completed

22.  Shakil Ahammad Chowdhury, (MSc Project Student)
        Duration: December 2016 to April 2017
        Project Title: Triplet-Triplet Annihilation Governed Photon Up-conversion in Carbon Quantum Dots Derived from
        Vitamin-C
        Current: MSC Completed

21.  Sukanta Shil, (MSc Project Student)
        Duration: December 2016 to April 2017
        Project Title: Dynamics and Structural Parameter of Protein in a Cell-mimic: Ultrafast and Single Molecular Level
        Investigation of Domain-III of HSA
        Current: Ph.D. Student, IIT Kanpur

20.  Nishith Maity, (MSc Project Student)
        Duration: December 2016 to April 2017
        Project Title: A Molecular Level Investigation of Synergistic solvation Characteristics of water-
        N,N-Dimethylformamide Binary Solvent System
        Study
        Current: Ph.D. Student, Iowa State University, USA

19.  Apala Chaudhuri, (MSc Project Student)
        Duration: December 2015 to April 2016
        Project Title: Investigation of the Active-Site Dynamics of Papain: An Ultrafast and Single Molecule Spectroscopic
        Study
        Current: Ph.D. Student, Yale University, USA

18.  Anurag, (MSc Intg. Project Student)
        Duration: July 2014 to April 2015
        Project Title:
        Current:

17.  Arusha Acharyya, (MSc Project Student)
        Duration: December 2014 to April 2015
        Project Title: Elucidating Domain Specific Double Denaturation of Human Serum Albumin by Spectroscopic         Methods
        Current: University of Pennsylvania, USA

16.  Kuntal Chatterjee, (MSc Project Student)
        Duration: December 2014 to April 2015
        Project Title: Optical Sensing of Aprotic Solvents through Acidic Proton Removel from Azobenzene Derivative
        Current: University of Basel, Switzerland

15.  Somnath Biswas, (MSc Project Student)
        Duration: December 2014 to April 2015
        Project Title:
        Current: The Ohio State University

14.  Indrani Banerjee, (MSc Project Student)
        Duration: December 2013 to April 2014
        Project Title: Mechanistic Investigation of the Domain Specific Stabilization of Human Serum Albumin by Different         Sugar Molecules
        Current: University of Illinois at Chicago,USA

13.  Santosh Kumar, (MSc Intg. Project Student)
        Duration: July 2013 to April 2014
        Project Title: Effect of Double Denaturation in a Multi-domain Protein
        Current:

12.  Shubhrangshu Pandit, (MSc Project Student)
        Duration: December 2012 to April 2013
        Project Title: Spectroscopic Investigation of a Potential Anticancer Drug with Human Serum Albumin
        Current: University of Bristol, UK

11.  Sayoni Ray, (MSc Project Student)
        Duration: December 2012 to April 2013
        Project Title: Spectroscopic Investigation of DMF/Chloroform Binary Solvent Mixture
        Current: University of California Los Angeles, USA

10.  Barun Kumar Maity, (MSc Project Student)
        Duration: December 2012 to April 2013
        Project Title: Spectroscopy Study of 1-dimethoxymethy-9H-pyrido(3,4-b)indol-3-yl-methanol: A new pH Indicator
        Current: TIFR Mumbai, India

9.   Ashish Jindal, (MSc Intg. Project Student)
        Duration: July 2012 to April 2013
        Project Title: Setting-up a Surface Second Harmonic Generation Spectrometer to Study theAdsorption of         Paranitroaniline at the Air/Water Interface
        Current: Stakeholders Empowerment Services, Mumbai

8.  Ankur Jhaveri, (MSc Intg. Project Student)
     Duration: July 2012 to April 2013
     Project Title: Development of Surface Second Harmonic Generation Spectrometer to Study the Adsorption of  Malachite      Green at the Air/Water Interface
     Current: IIM, Lucknow

7.  Snigdha Ghosh, (MSc Project Student)
     Duration: December 2011 to April 2012
     Project Title: Determination of Orientation Parameters by Surface Second Order Non-Linear Spectroscopy
     Current: IIT Bombay, India

6.  Sharmistha Karmakar, (MSc Project Student)
     Duration: December 2011 to April 2012
     Project Title: Mechanistic Investigation of Binding of Coumarin 152 with Human Serum Albumin: A Temperature      Dependent Fluorescence Spectroscopic Approach
     Current: IACS Kolkata, India

5.  Nirmal Das, (MSc Project Student)
     Duration: December 2011 to April 2012
     Project Title: Synthesis and Binding Characteristics of Coelenteazine Derivative with Bovine Serum Albumin
     Current: IISER Bhopal, India

4.  Arghya Chakraborty, (MSc Project Student)
     Duration: December 2010 to April 2011
     Project Title: Marcus Inverted Region in Binary Solvent Mixtures
     Current: University of Basel, Switzerland

3.  Mainak Kundu, (MSc Project Student)
     Duration: December 2010 to April 2011
     Project Title: Investigation of Synergistic Chloroform-Methanol Binary Mixture
     Current: Ohio State Univeristy, USA

2.  Soumen Ghosh, (MSc Project Student)
     Duration: December 2010 to April 2011
     Project Title: Synthesis and Spectroscopic Studies of Ferrocene-(pi-bridge)-Acceptor Systems
     Current: Michigan State University, USA

1.  Shyamashis Das, (MSc Project Student)
     Duration: December 2010 to April 2011
     Project Title: Protein Surfactant Interaction: A Spectroscopic and Molecular Docking Study
     Current: IISc Bangalore, India

Past Short Term Project Students

11.  Sandeep Yadav, (Summer Project Student)
        Duration: May 2018 to July 2018
        Project Title: Dynamics of Biomolecules
        Current: MSC Student, IIT Kanpur

10.  Tanmoy Khan, (Summer Project Student)
        Duration: May 2018 to July 2018
        Project Title: Sensing of Metal ions.
        Current: MSC student, IIT Hyderabad

9.  Koushiki Ghosh, (Academy Summer Project Student, Academy Fellow)
     Duration: May 2017 to July 2017
     Project Title:A Novel Cu2+ Complex for Turn On Fluoroscence Sensing of Al3+ at the ppm level
     Current: BSC Student, Banaras Hindu University

8.  Siddhartha Keshari , (BS Project Student)
     Duration: July 2015, 140 hours
     Project Title: Synergistic Behavior of Binary Solvent Mixture
     Current:

7.  Mihir Ghosh, (Project Employee)
        Duration: July 2015 to September 2015
        Project Title:
        Current:

6.  Nitin Prasad, (Academy Summer Project Student, Academy Fellow)
        Duration: May 2014 to July 2014
        Project Title:
        Current: NIT Warangal, Andhra Pradesh

5.  Sunil Patel, (Summer Project Student)
        Duration: May 2013 to July 2013
        Project Title:
        Current: Honeywell, Gurgaon

4.  Jayraj Raval, (Academy Summer Project Student, Academy Fellow)
        Duration: May 2013 to July 2013
        Project Title: Effect of confinement on the hydrolysis of sucrose
        Current: Gujrat

3.  Dr. Mritunjay Pandey, (Project Employee)
        Duration: April 2013 to June 2013
        Project Title:
        Current: Sagar University, India

2.  Gyanesh Kumar Saxena, (Project Employee)
        Duration: 2011 to 2012
        Project Title: Synthesis of GFP chromophores.
        Current: ONGC, India

1.  Nayan De, (Project Employee)
     Duration: 2010 to 2011
     Project Title:
     Current: Jadavpur University, Kolkata

Pratik Sen Group, February 2021