Subhamay Pramanik

Bio

Dr. Subhamay Pramanik specializes in Organic and Inorganic synthesis, Lanthanide separation, Supramolecular chemistry, Crystallography, Hybrid Material chemistry, Fluorescent materials, Metal and anion complexes, Catalysis, NMR Spectroscopy - Experiences in synthesis, characterization and crystallization of organic and inorganic compounds. He has assisted five M.Sc. (HONS) and four junior PhD researcher to accomplish their research project work during my PhD tenure at Guru Nanak Dev University, Amritsar with 5 years research experience as graduate student during PhD. and 4 years 10 months research experience as postdoctoral researcher.

Research and Expertise

• Experienced in handling all types of sensitive organic reactions such as Suzuki, Sonogashira couplings, Diels-Alder, C-H activation, Click, Condensation, Macrocyclic condensation (via amide/imine linkages), oxidation, reduction, reaction with amines (protection and deprotection), phosgene gas (NH2 to NCO conversion), n-BuLi etc. (moisture sensitive, oxygen sensitive reactions and reactions at low or high temperature, use of Schlenk lines for inert condition).
•  Expertise in purifying organic products through silica-gel, alumina (basic and neutral) columns.
• Proficiency in preparation of nanomaterial (fluorescent), nanoparticles, hybrid nanomaterial for catalysis and photocatalysis.
• Good observation skills for the interpretation and characterization of organic compounds using all spectroscopic techniques using NMR, Mass, FT-IR.
• Research expertise on synthesis of supramolecular host-guest Chemistry, Pincer, Duplex, Macrocycles and Cryptands for encapsulation of complex anions such as Inositol hexakis phosphate (IP6), Anion cluster, Metal ions, and their Crystallographic analysis.
• During PhD, I have synthesized Hexaphenylbenzene, pyrazine, dicyanopentafulvene based fluorescent hosts and investigate their Photophysical, Self-assembly behaviour, and Materialistic properties. Further, evaluate their application in Sensing, Bioimaging, Nanoparticle preparation, Green Catalysis, Photo Catalysis.

Academic Profile

• Postdoctoral Research Associate (03/21/2022~Present) - Nanomaterials Chemistry Group, Chemical Sciences Division at Oak Ridge National Laboratory
• Postdoctoral Researcher (07/25/2017~03/20/2022) - Supervisor: Prof. Kristin Bowman-James, Distinguished Professor, Director Kansas NSF EPSCoR, Member of American Academy of Arts and Sciences, Department of Chemistry, University of Kansas
• PhD in Chemistry (03/27/2012~03/17/2017) - Doctorate with NET CSIR-UGC Fellowship. Thesis entitled: “Supramolecular Aggregates of AIEE Active Hexaphenylbenzene based Molecules: A Search for New Functional Nanomaterials” Mentor: Prof. Manoj Kumar, Department of Chemistry, Guru Nanak Dev University, Amritsar, Punjab, India
• PhD Course work (06/2012~12/2012) - Obtained CGPA 8.88, Department of Chemistry, Guru Nanak Dev University, Amritsar, Punjab, India
• CSIR-UGC NET Fellowship - June, 2011 (All India Rank 84 in Chemical Sciences)
• M.Sc in Chemistry (06/2009~05/2011) - 1st class with CGPA 7.16, Specialization in Organic Chemistry, Department of Chemistry, Shree Chaitanya College, West Bengal State University, West Bengal, India
• B.Sc (Hons. Chemistry) (06/2006~05/2009) - 1st class with marks 60.37%, Department of Chemistry, Asutosh College, Calcutta University, West Bengal, India
• 10+2 (Science) (04/2005~03/2006) - 1st division with marks: 86.60%, A. C. Institution, Malda, West Bengal Council of Higher Secondary Education, West Bengal, India.
• 10th (03/2003~02/2004) - 1st division with marks: 83.25%, Malda Zilla School, Malda, West Bengal Board of Secondary Education, West Bengal, India.

Conference Papers Presented in National and International Conferences

Oral Paper Presentations

• Oral presentation at ACS Spring 2021, USA on April 5-30, 2021; PAPER TITLE: Tunable macrocyclic hosts for phytate and more complex anions.
• Oral presentation at 2017 Midwest Regional Meeting, Kansas University, Lawrence, KS, USA on October 18-20, 2017; PAPER TITLE: Supramolecular chemistry of phytate, myo-inositol hexakisphosphate.
• Oral presentation at XIth Junior National Organic Symposium Trust (J-NOST) Conference for Research Scholars, December 14th-17th, 2015 at National Institute of Science Education and Research (NISER), Bhubaneswar. PAPER TITLE: Supramolecular Aggregates of AIEE Active Hexaphenylbenzene Derivatives: A Search for new functional nanomaterials.

Poster Presentations

• Poster presentation at 257th ACS National Meeting, Orlando, FL, USA on March 31st-April 4th, 2019; PAPER TITLE: Cages for capturing phytate and more complex anions.
• Poster presentation at 255th ACS National Meeting, New Orleans, LA, USA on March 18th-22nd, 2018; PAPER TITLE: Supramolecular confinement of anions, from small to large, with molecular pincers.
• Poster presentation at "VIth National Symposium on Advances in Chemical Sciences”, March 6th-7th, 2017, Department of Chemistry, UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar. 7. Attended National Symposium on Recent Trends in Chemistry, January 27th, 2017, Department of Chemistry, UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar.
• Poster presentation at “Vth National Symposium on Advances in Chemical Sciences”, February 2nd-3rd, 2016 at Department of Chemistry, UGC Centre for Advanced Studies-I, Guru Nanak Dev University, Amritsar organized by RSC, Cambridge, UK.
• Poster presentation at 11th International IUPAC conference on “Polymer-Solvent Complexes and Intercalates (POLYSOVAT11)” January 27th-30th, 2016 at IACS, Kolkata. PAPER TITLE: AIEE Active Supramolecular Aggregates of Hexaphenylbenzene Derivatives: A Search for new functional nanomaterials.
• Best poster award at International conference “Asian Network for Natural & Unnatural Materials-2015” March 1st-2nd, 2015 at Punjab University, Chandigarh; PAPER TITLE: AIEE active Fluorescent aggregates of Hexaphenylbenzene derivatives: A search for new chemosensor.
• Poster presentation at International conference “1st Asian Conference on Chemosensors & Imaging Probes (Asian‐ChIP 2015)” November 16th-18th, 2015 at Stanford Hotel, Seoul, South Korea. PAPER TITLE: Supramolecular Aggregates of AIEE Active Hexaphenylbenzene Derivatives: A Search for new Chemosensor.
• Poster presentation 17th National Symposium in Chemistry (NSC-17) & 9th CRSI-RSC Symposium in Chemistry, February 6th-8th, 2015, at National Chemical Laboratory (NCL), Pune. PAPER TITLE: Hexaphenylbenzene based AIEE active Fluorescent nanoaggregates: A search for new chemosensor.
• Attended conference “NMRS-2015”, March 6th-9th, 2015 at Department of Chemistry, UGC Centre for Advanced Studies, GNDU, Amritsar.
• Poster presentation at “IVth National Symposium on Advances in Chemical Sciences to commemorate the National Science Day” February 27th-28th, 2014 at Department of Chemistry, Guru Nanak Dev University, Amritsar.
• Poster presentation at International conference “International Conference on Nanoscience and Technology-2014” March 3rd-5th, 2014 at Punjab University, Chandigarh. PAPER TITLE: Hexaphenylbenzene based fluorescent nanoaggregates: A search of new chemosensor for sensitive and visual detection of explosives.
• Poster presentation at National Symposium on Recent Trends in Chemistry, March 28th, 2013, Department of Chemistry, UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar.

Awards

Qualified CSIR-UGC National Eligibility Test (NET; All India Rank: 84; June, 2011) for Junior Research fellowship (01-10-2012 to 01-09-2017).

Got best Poster award in International conference “Asian Network for Natural & Unnatural Materials-2015” for PAPER TITLE: “AIEE active Fluorescent aggregates of Hexaphenylbenzene derivatives: A search for new chemosensor” held on March 1-2, 2015 at Punjab University, Chandigarh (kindly visit https://news.puchd.ac.in/show-news.php?id=646&title=ANNUM+3+concludes+a….......)

Selected for International travel grant of Rs: 84000 ($1170) (ITS/4537/2015-16) from Science and Engineering Research Board (SERB), India to attend "1st Asian Conference on Chemosensors and Imaging Probes (Asian-ChIP 2015)" held on 16th-18th November, 2015 at Stanford Hotel, Seoul, South Korea.

Awarded SERB National Post-Doctoral fellowship, Jul, 2017 (PDF/2017/000771), but not joined as I got postdoctoral researcher position in USA.

Specialized Equipment

I have been trained in using nuclear magnetic resonance spectrometer (Bruker 400, 500 and 800 MHz NMRs), LC-MS, GC-MS mass spectrometer during my postdoctoral training period.

I also have hands-on experience in using UV-visible, fluorescence, time resolved fluorescence spectrophotometer (TRF), cyclic voltammetry (CV), FT-IR spectrometer, polarized optical microscope (POM), scanning electron microscope (SEM)

Transmission electron microscope (TEM), dynamic light scattering (DLS) instrument, vibrating sample magnetometer (VSM).

Expertise in characterization of nanoparticles or nanoclusters by powder XRD, Small-angle X-ray scattering (SAXS), Brunauer-Emmett-Teller (BET) surface area analysis, Scanning electron microscope (SEM), transmission electron microscopy (TEM)

X-Ray photoelectron spectroscopy (XPS) and dynamic light scattering (DLS) etc.

Expertise in X-ray crystal structure analysis using Mercury and Olex2 software. Host-guest binding constant calculation by using EQNMR2 program.

Experience in operating preliminary theoretical calculations using Gaussian-09 program (DFT).

Other Publications