Dr. Snehadrinarayan Khatua

Chemistry Department

Designation: Assistant Professor

Academic Background

  • MSc: Vidyasagar University, West Bengal, India, 2001.
  • PhD: Indian Institute of Technology, Kharagpur, India, 2007.

Course Taught

  • M.Sc . Semester I: (i) Magnetochemistry (ii) Spectra and Electronic Structure of co-ordination compound
  • Semester II: Inorganic Chemistry Practical
  • Semester IV: (i) Bioinorganic Chemistry (ii) Inorganic Photochemistry

PhD Course Work: Research Methodology

Professional Experiences

  • BK21 postdoctoral fellow: Korea Advanced Institute of Science and Technology (KAIST), South Korea (2007-2009).
  • Alexander von Humboldt Fellow: Universität Siegen, Germany (2009-2011).
  • Fast Track Scientist:  Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India (2012-2013).
  • Assistant Professor:  North-Eastern Hill University, Shillong, Meghalaya, India: Since May, 2013.

 Awards and Fellowships

  • Alexander von Humboldt (AvH) Fellowship, Bonn, Germany: July, 2009.
  • BK21 (Brain Korea) postdoctoral fellowship, KAIST, South Korea: July, 2007.
  • Junior Research Fellowship (JRF) and SRF, IIT Kharagpur, India: 2002 and 2004.

Research Interest

  1. Molecular sensors/probes.
    • Sensors/probes for toxic and biologically important cations and anions.
    • Sensing and imaging of neurodegenerative disease related species.
    • Molecular logic gates.
  2. Photoactive and chiral supramolecular assembly.
  3. Photo/electrocatalytic reduction of CO2 and renewable energy storage.

Administrative responsibilities undertaken: 

  • Warden of Undergraduate (B.Tech) hostel (Hostel No 19, NEHU, since 2017).

Academic affiliations (if any):

  1. Member of School board (NEHU, from 2017 to 2019)
  2. Member of departmental research committee, Dept. of Chemistry, NIT, Meghalaya.
  3. Life member of Indian Chemical Society, Calcutta.
  4. Life member of the Chemical Research Society of India, Bangalore.

Collaboration/Consultancy:

  1. Prof. K. Aguan, Dept. of Biotechnology and Bioinformatics, NEHU, Shillong.
  2. Prof. N. Saha, Dept. of Zoology, NEHU, Shillong.
  3. Dr. D. R Roy, Dept. of Applied Physics, SVNIT, Surat.

Other Assignments:

  1. Reviewer of ACS, RSC, and Elsevier/Springer journals

PhD Awarded/Supervised: 1

Research Projects

  1. DST (Department of Science & Technology, India) FAST track project on “Chemosensors for cation and anion” (PI). (2014-2017)
  2. Assessment of climate change impact on soils and various water basins of Meghalaya using existing and newer techniques (Co-PI); DST, India, (SPLICE-Climate change programme), (30.03.2019 to 29.03. 2022)

Publications

 Publications and Citation Summary:

Total publication 42
Patent 3
Citations 843
h-index 17
i10-index 21
  1. Sen, B.; Sheet, S.K.; Patra, S.K.; Koner, D.; Saha, N.; Khatua, S.*: Highly Selective Detection of Hypochlorous Acid by a Bis-heteroleptic Ru(II) Complex of Pyridyl-1,2,3-triazole Ligand via C(sp2)–H Hydroxylation, Inorg. Chem. 2019, 58, 9982−9991
  2. Paul, D.; Borah, A.; Khatua, S.; Chatterjee,: P. N. pTSA catalyzed, ultrasound promoted, one?pot, three?component coupling of aldehydes, β?dicarbonyls/amides and electron?rich arenes, Asian J. Org. Chem., 2019, DOI: 10.1002/ajoc.201900352
  3. Paul, D.; Khatua, S.; Chatterjee, P. N.:  A facile iron-catalyzed dual C–C bond cleavage: an approach towards triarylmethanes, New J. Chem., 2019, 43, 10056
  4. Sheet, S. K.;† Sen, B.;† and Khatua, S.*: Organoiridium(III) Complexes as Luminescence Color Switching Probes for Selective Detection of Nerve Agent Simulant in Solution and Vapor Phase Inorg. Chem. 2019, 58, 3635−3645. (Top 10 most downloaded article during March-April 2019) (†: Equal contribution)
  5. Paul, D.; Khatua, S.; Chatterjee, P. N.: Iron-Catalyzed Tandem C-N and C–C bond Cleavage in Diaryl Methanamines: Use of Electron-Rich Arenes as Leaving Group to Generate Triaryl Methanes, Chemistry Select, 2018, 3, 11649– 11656.
  6. Bhattacharjee, D.; Sheet, S. K.; Khatua, S.; Biswas, K.; Joshi, S. R.; Myrboh, B.: A reusable magnetic nickel nanoparticle based catalyst for the aqueous synthesis of diverse heterocycles and their evaluation as potent anti-bacterial agent
    Bioorganic & Medicinal Chemistry 2018, 26, 5018–5028.
  7. Paul, D.; Rudra, S.; Rahman, P.; Khatua, S.; Pradhan, M.; Chatterjee, P. N.: Synthesis and characterization of Pd-γ-Fe2O3 nanocomposite and its application as a magnetically recyclable catalyst in ligand-free Suzuki-Miyaura reaction in water. J. Organometallic Chem. 2018, 871, 96-102.
  8. Sheet, S. K.; Sen, B.; Aguan, K.; Khatua, S.*: A cationic organoiridium(III) complex-based AIEgen for selective light-up detection of rRNA and nucleolar staining, Dalton Trans., 2018, 47, 11477-11490.
  9. Sheet, S. K.;† Sen, B.;† Patra, S. K.; Rabha, M.; Aguan, K.; Khatua, S.*: Aggregation-Induced Emission-Active Ruthenium(II) Complex of 4,7-Dichloro Phenanthroline for Selective Luminescent Detection and Ribosomal RNA Imaging. ACS Appl. Mater. Interfaces 2018, 10, 14356−14366. (†: Equal contribution)
  10. Patra, S. K; Sheet, S. K.; Sen, B.; Aguan, K.; Roy, D.R.; Khatua, S.*: Highly Sensitive Bifunctional Probe for Colorimetric Cyanide and Fluorometric H2S Detection and Bioimaging: Spontaneous Resolution, Aggregation, and Multicolor Fluorescence of Bisulfide Adduct,  Journal of Organic Chemistry, 2017, 82, 10234−10246. (Top most downloaded article during Sept.-Oct. 2017)
  11. Sheet, S. K.; Sen, B.; Thounaojam, R.; Aguan, K.; Khatua, S.*: A Ruthenium(II) Complex-Based Luminescent Bifunctional Probe for Ag+ and Phosphate Ions: Ag+ Assisted Detection and Imaging of rRNA. Inorg. Chem. 2017, 56, 1249−1263.
  12. Sheet, S. K.; Sen, B.; Thounaojam, R.; Aguan, K.; Khatua, S.*: Highly selective light-up Al3+ sensing by a coumarin based Schiff base probe: Subsequent phosphate sensing DNA binding and live cell imaging. Journal of Photochemistry and Photobiology A: Chemistry, 2017, 332, 101–111.
  13. Sen, B.; Sheet, S. K.; Thounaojam, R.;  Jamatia, R.; Pal, A. K.; Aguan, K.; Khatua, S.*: A coumarin based Schiff base probe for selective fluorescence detection of Al3+ and its application in live cell imaging. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2017, 173, 537–543.
  14. Chowdhury, B.; Dutta, R; Khatua, S.; Ghosh, P: A Cyanuric Acid Platform Based Tripodal Bis-heteroleptic Ru(II) Complex of Click Generated Ligand for Selective Sensing of Phosphates via C-H•••anion Interaction. Inorg. Chem., 2016, 55(1), 259-271.
  15. Chowdhury, B.; Khatua, S.; Dutta, R; Chakraborty, S; Ghosh, P: Bis-Heteroleptic Ruthenium(II) Complex of a Triazole Ligand as a Selective Probe for Phosphates. Inorg. Chem., 2014, 53 (15), 8061-8070.
  16. Sinha, A.; Khatua, S.; Bhattacharjee, M: Synthesis and Structure of [Ru(PPh3)2(bipy)(MeCN)Cl][BPh4] and it's Catalytic Property towards Regioselective and Stereoselective Allylation of Phenols. Journal of Organometallic Chemistry, 2014, 770, 116-120.
  17. Khatua, S.*; Schmittel, M.: A Single Molecular Light-up Sensor for Quantification of Hg2+ and Ag+ in Aqueous Medium: High Selectivity toward Hg2+ over Ag+ in a Mixture. Org. Lett., 2013, 15(17), 4422-4425.
  18. Khatua, S.; Samanta, D.; Bats, J. W.; and Schmittel, M.: Rapid and Highly Sensitive Dual-Channel Detection of Cyanide by Bis-heteroleptic Ruthenium(II) Complexes,  Inorg. Chem., 2012, 51, 7075−7086. (Cover article, July 2012 issue(Amongst the top ten accessed on the web from the online version in April, 2012).
  19. Egorova, O. A.; Tsay, O. G.;  Khatua, S.; Meka, B.; Maiti, N.; Kim, M. -K.; Kwon, S. J.; Huh, J. O.; Bucella, D.; Kang, S.-O.; Kwak, J.; and Churchill, D. G.: Synthetic, cyclic voltammetric, structural, EPR and UV-vis spectroscopic studies of thienyl-containing meso-A2Bcor(CrV=O) systems: consideration of three interrelated molecular detection modalities. Inorg. Chem., 2010, 49(2), 502-512.
  20. Khatua, S.; Kang, J.; Huh, J. O.; Hong, C. S.; and Churchill, D. G.: Synthesis, Structure, and Magnetic Properties of Closely Related Mono- and Di-Cu(II) Schiff Base Complexes: Formation of Water Clusters and Hydrogen-Bonded Networks. Cryst. Growth Des, 2010, 10(1), 327-334.
  21. Egorova, O. A.;  Tsay, O. G.;  Khatua, S.;  Huh, J. O.; and  Churchill,D. G.: A Chiral meso-ABC-Corrolatochromium(V) Complex. Inorg. Chem., 2009, 48(11), 4634 - 4636.
  22. Khatua, S.; Choi, S. H.; Lee, J.; Kim, K.; Do, Y.; and Churchill, D. G.: Aqueous Fluorometric and Colorimetric Sensing of Phosphate Ions by a Fluorescent Dinuclear Zinc Complex. Inorg. Chem., 2009 48(7), 2993-2999.
  23. Khatua, S.; Choi, S. H.; Lee, J.; Huh, J. O.; Do, Y.; and Churchill, D. G.: Highly Selective Fluorescence Detection of Cu2+ in Water by Chiral Dimeric Zn2+ Complexes through Direct Displacement.  Inorg. Chem., 2009, 48(5), 1799-1801. (Amongst the top ten accessed on the web from the online version in March, 2009).
  24. Choi, S. H.; Kim, K.; Jeon, J.; Meka, B.; Bucella, D.; Pang, K.; Khatua, S.; Lee, J.; and Churchill, D. G.: Optical Effects of S-oxidation and Mn+ Binding in Meso-thienyl Dipyrrin Systems, and of Stepwise Bromination of4,4-Difluoro-8-(2,5-dibromo-3-thienyl)-4-bora-3a,4a-diaza-s-indacene. Inorg. Chem, 2008, 47(23), 11071-11083.
  25. Khatua, S.; Roy, D. R.; Bultinck, P.; Bhattacharjee. M; and Chattaraj, P. K.: Aromaticity in Cyclic Alkali Clusters.  Phys. Chem. Chem. Phys., 2008, 10, 2461 - 2474. (inside cover article)
  26. Khatua, S.; Kuroda, R.; Harada, T.; and Bhattacharjee M.:  Solvent Dependent Assembly and Disassembly of a Hydrogen Bonded Helical Structure in a Co–Mo Bimetallic Complex. Chem. Commun., 2007, 3927 – 3929.
  27. Hajra, S.; Giri, A. K.; Karmakar, A.; and Khatua, S.: Asymmetric Aldol Reactions under Normal and Inverse Addition Modes of the Reagents. Chem. Commun., 2007, 2408 - 2410.
  28. Khatua, S.; Roy, D. R.; Chattaraj, P. K.; and Bhattacharjee M.: Synthesis and Structure of 1D Na6 Cluster Chain with Short Na-Na Distance: Organic Like Aromaticity in Inorganic Metal Cluster. Chem. Commun., 2007, 135 – 137.
  29. Khatua, S.; Stoeckli-Evans, H.; Kuroda, R.; Harada, T.; and Bhattacharjee, M.: Helicity Induction through Hydrogen Bonding and Spontaneous Resolution of a Bimetallic Nickel Complex Coordinated to an Octahedral Metalloligand. Inorg. Chem., 2006, 45, 9619 – 9621. (Amongst the top ten accessed on the web from the online version in October, 2006).

Details of Patents

  1. Churchill, D. G.; Jun, T.; Ha, Y.; Kang, J.; Khatua, S.: Silica hybrid material with phenolate- and acetate-bridged dizinc-schiff base complex for controlled binding/release of Zn2+ in aqueous solution, and mechanochemical and sol-gel preparation method thereof. Repub. Korean Kongkae Taeho Kongbo (South Korean patent); KR 2012065149(A). Date of award: 20-06-2012.
  2. Churchill, D. G.; Khatua, S.; Kim, K.; Kang, J.: Copper ion detection via direct displacement using dimeric zinc complexes and preparing method thereof. Repub. Korean Kongkae Taeho Kongbo (South Korean patent); KR 2011123586 (A); Date of award: 15-11-2011.
  3. Churchill, D. G.; Khatua, S.; Kim, K.; Choi, S. H.: One-pot synthesis of chiral amino acid Schiff-base dinuclear complexes and their selective aqueous sensing of salts and ions. Repub. Korean Kongkae Taeho Kongbo (South Korean patent); KR 2011053733 (A); Date of award: 24-05-2011.

Conferences/ Symposia (selected)

  1. S. Khatua, S. K. Sheet and B. Sen.; “Highly Selective Luminescent Sensing of Phosphates by Bis-Hetaroleptic Ruthenium(II) Complex”. REACH-2015-An International Symposium on Recent Advances in Chemistry 3rd-5th March, 2015.
  2. Khatua, S.; Lin, H.; and Schmittel M.: Recent Advance in “Lab-on-a-Molecule” Chemosensors. 3rd EuCheMS Chemistry Congress, Nürnberg, Germany, August 29 – September 2, 2010.
  3. Khatua, S.; Kim, K.; and Churchill, D. G.: Highly Efficient Aqueous Sensing of Cation and Anion by Fluorescent Dinuclear Zinc(II) Schiff Base Complexes. The 104th KCS National Meeting, Daejeon Convention Center, Republic of Korea, October 29-30, 2009.
  4. Churchill, D. G.; Khatua, S.; Kim, K.; Choi, S. H.; Kang, J.; Huh, J. O.; Lee, J., and Hong, C. S.: Aqueous Luminescent Detection of Biological Phosphate Ions and Copper(II) by Fluorescent Dizinc Complexes and Magnetic Properties of Related Dicopper Complexes. Abstracts of Papers, 238th ACS National Meeting, Washington, DC, USA, August 16-20, 2009.
  5. Khatua, S.; and Churchill, D. G.: Direct Displacement Approach for Highly Selective Fluorescence Detection of Cu2+ by Chiral Dimeric Zn2+ Complexes in Water. The 103rd KCS National Meeting, COEX center, Seoul, Republic of Korea, April 16-17, 2009.
  6. Khatua, S.; Choi, S. H.; Lee, J.; Churchill, D. G.: Aqueous Fluorometric and Colorimetric Sensing of Phosphate Ions by a Fluorescent Dinuclear Zinc Complex of a Lysine-Based Ligand. Abstracts of Papers, 237th ACS National Meeting, Salt Lake City, UT, USA, March 22-26, 2009.
  7. Khatua, S.; Choi, S. H.; Lee, J.; & Churchill, D. G.: Aqueous Ratiometric and Colorimetric Sensing of Pyrophosphate Ion (PPi) by a Fluorescent Dinuclear Zinc Complex of a Lysine-Based Ligand. The 4th Asian Biological Inorganic Chemistry Conference (AsBIC IV), Ramada Hotel Plaza, Jeju Island, Republic of Korea, 10-14th November, 2008.
  8. Khatua, S.; Lee, J.; & Churchill, D. G.: Schiff Base Fluorescence Probe for Aqueous Ratiometric Zinc (II) Sensing. The 17th International Conference on Organic Synthesis (ICOS-17), Daejeon Convention Center, Republic of Korea, 22-27th  June, 2008.
  9. Khatua, S.; and Bhattacharjee, M.: Homochiral Heterobimetallic Hydrogen Bonded Helical Network Constructed from Self Assembly of a Metalloligand with Co (II) Ion. 11th  Symposium on Modern Trends in Inorganic Chemistry (MTIC-X1), Department of Inorganic Chemistry, IIT, Delhi, India, 8-10th December, 2005.
  10. Khatua, S.; Dasgupta, S.; Biradha, K.; and Bhattacharjee, M.: Design, Synthesis, and Structure of a Molybdenum Oxo Cluster Containing Entrapped Sodium Ion. 10th Symposium on Modern Trends in Inorganic Chemistry (MTIC-X), Department of Inorganic Chemistry, IIT, Bombay, India, 15-17th December, 2003.

Invited lecture in conference/symposia/refresher and orientation course.

  1. Invited lecture at Interaction Meeting of Alumni and Faculties of Department of Chemistry, IIT Kharagpur, 30th March, 2019.
  2. Invited Lecture on Development of chemical sensors for bio-relevant species, environmental hazards and chemical warfare agents: UGC-Academic Staff College, NEHU, Shillong, 11th July, 2019.
  3. Invited lecture at Frontiers in Chemical Sciences (FICS)–2018, December 6-8, 2018, IIT Guwahati.
  4. Invited lecture at RTCS, NIT Meghalaya, Shillong, October 12-13, 2017.
  5. Invited Lecture on Research Methodology: UGC-Academic Staff College, NEHU, Shillong, 12th Nov., 2015.
  6. Invited Lecture on Research Methodology: UGC-Academic Staff College, NEHU, Shillong, 14th October, 2015.
  7. Invited Lecture on Publication of Research Findings: UGC Academic Staff College, NEHU, Shillong, 20th Aug., 2015.
  8. Invited Lecture on Environmental, Biological Problems and CHEMISTRY: UGC-Academic Staff College, NEHU, 7th July, 2015.
  9. Invited Lecture on “Molecular Sensors/Probes for Sensing Environmentally Hazardous Ions and Biologically Relevant Species (NTCE-2014), Don Bosco College, Tura, Meghalaya, India. 10th -11th Dec, 2014.

Alumni  

MSc Project Student

  • Mr. John Elisa Kumar
    From: February, 2014 – June, 2014
  • Ms. Winaki P Sohtun
    From: February, 2014 – June, 2014
  • Mr. Monosh Rabha
    From: February, 2015 – June, 2015
  • Mr. Suman Saha
    From: February, 2015 – June, 2015
  • Ms. L. Shadap
    From: February, 2016 – June, 2016
  • Mr. Banteilang Lyngdoh Nonglait
    From: February, 2017 – June, 2017
  • Mr. Haris Varghese 
    From: February, 2017 – June, 2017
  • Mr. Beitlaichhai Hlychho 
    From: February, 2017 – June, 2017
  • Ms. Mini Loya
    From: February, 2018 – June, 2018
  • Ms. Paleisha Marwein 
    From: February, 2018 – June, 2018
  • Ms. Tanaya Saha 
    From: February, 2019 – June, 2019
  • Ms. Loveleena Khanikar 
    From: February, 2019 – June, 2019
  • Ms. Deikrisha L. Lyngkhoi
    From: February, 2019 – June, 2019

Group photo: March, 2019

Present Group Member

  • Sanjoy K. Sheet
    Rajib Gandhi National Fellowship (SRF)
    Joined: October 2013
    Education: M.Sc, IIT Roorkee, 2013
    Email: sanjoysheet@nehu.ac.in
    Contact No: +91 9089744019
  • Bhaskar Sen
    CSIR Fellowship (SRF)
    Joined: October 2013
    Education: M.Sc, IIT Roorkee, 2013
    Email: bhaskarsen@nehu.ac.in
    Contact No: +91 9089465293
  • Sumit K. Patra
    CSIR Fellowship (SRF)
    Joined: November 2014
    Education: M.Sc, Vidyasagar University, W.B. 2014
    Email: sumitpatra@nehu.ac.in
    Contact No: +91 9089511384
  • Monosh Rabha
    NEHU non-NET Fellowship (JRF)
    Joined: November 2016
    Education: MSc., NEHU, Shillong, 2015
    Email: monoshrabha@nehu.ac.in
    Contact No: +91 9402577228
  • Nimisha Kashyap
    NEHU non-NET Fellowship (JRF)
    Joined: December 2018
    Education: MSc., NERIST, 2017
    Email: nimisha.kashyap27@gmail.com