Dr. Devashish Sengupta
Assistant Professor
Department of Chemistry
Email: devashishsg@gmail.com
Phone: 9954055466
Education:
Ph.D. University of Sydney, (Australia) 2007
M. Sc. (specialization: Organic Chemistry, NEHU, 1993
B.Sc. St. Edmunds College, 1992
Teaching & Research Experience:
Assistant Professor: 2008-2021
Administrative Experience:
- General Secretary Assam University Teachers’ Association (AUTA) – 2016-2018, 2019-2021.
- Member of Admission Committee AUS (2017)
Conference/Seminar Organized:
- Convener: International Webinar on “Antiviral Drug Discovery: Creation of an Armory for the Present and Future Pandemics”, August, 2020.
- Jt. Coordinator: International Conference 2018 held at the dept. of Chemistry AUS.
Research Interests:
- Chemical Biology of water-soluble photosensitizers involving tetrapyrrolic macrocycles (porphyrins, corroles, phthalocyanines etc.), fullerenes, and quinazolines.
- Applications of the synthesized photosensitizers under biomolecular prospects considering both cancer and antimicrobial Photodynamic Therapy (PDT).
- Applications of the synthesized compounds as anti-viral (especially anti HIV-1), anti-bacterial, and anti-fungal agents.
Research Guidance:
PhD Students:
- Synthesis and characterization of organic photovoltaic solar materials and four-ring bent core liquid crystals., Dr. Kalpana Upadhyaya, 2015
- synthesis and Characterization of 3d Metallomesogens, Dr. Ramesh Panyam, 2017
- Water-soluble, meso-substituted, Free-base and Metallated Thiophenium and/or Pyridinium and/or Indole Derivatives of Porphyrin: Their Role as Photosensitizers, Dr. Zeaul Hoque Mazumder, 2018
M.Sc. Students:
Total: 21 students (from year .2015 to 2020)
Research Project:
- Nitronium and Sulphonium Containing Monomeric and Dimeric, Free Base and Metalized Porphyrin-Carbon NPs: Synthesis, Characterization, and Their Structure Activity Relationships in Interpreting Their Roles as Selective Photosensitizers in Photodynamic Therapy (PDT). Amount Sanctioned: INR 81,69500/-(Rupees Eighty One Lakhs Sixty Nine Thousand Five Hundred Only)
- Nanoassisted C60 -Pyrimidine Derivatives: Their Synthesis, Characterization, Neuroprotective and Antiviral Activities. Amount Sanctioned: INR 90,87,000/- (Ninety Lakh and Eighty Seven Thousand only)
- Study of Water-Soluble (C70 -and C60-) Fullerene-Porphyrin Dyads as Inhibitors of Human Immunodeficiency Virus (HIV): Synthesis, Characterization and Anti-HIV Activity. Amount Sanctioned: INR 79,99,600/- (Seventy nine Lakh, Ninty nine Thousand and six hundred only)
List of Publications (last 5 years):
- Sharma, D., Mazumder, Z. H., Sengupta, D., Mukherjee, A., Sengupta, M., Das, R. K., … & Jha, T. (2021). Cancer photocytotoxicity and anti-inflammatory response of cis-A 2 B 2 type meso-p-nitrophenyl and p-hydroxyphenyl porphyrin and its zinc (ii) complex: a synthetic alternative to the THPP synthon. New Journal of Chemistry,2021, 45(4), 2060-2068.
- Mazumder, Z. H., Sharma, D., Sengupta, D., Mukherjee, A., Boruah, J. S., Basu, S., … & Jha, T. (2020). Photodynamic activity attained through the ruptured π-conjugation of pyridyl groups with a porphyrin macrocycle: synthesis and the photophysical and photobiological evaluation of 5-mono-(4-nitrophenyl)-10, 15, 20-tris-[4-(phenoxymethyl) pyridine]-porphyrin and its Zn (ii) complex. Photochemical & Photobiological Sciences, 2020, 19(12), 1776-1789.
- Mazumdar, Z. H., Sharma, D., Mukherjee, A., Basu, S., Shukla, P. K., Jha, T., & Sengupta, D. (2020). meso-Thiophenium Porphyrins and Their Zn (II) Complexes: A New Category of Cationic Photosensitizers. ACS Medicinal Chemistry Letters, 2020, 11(10), 2041-2047.
- Sengupta, D., Timilsina, U., Mazumder, Z. H., Mukherjee, A., Ghimire, D., Markandey, M., … & Gaur, R. (2019). Dual activity of amphiphilic Zn (II) nitroporphyrin derivatives as HIV-1 entry inhibitors and in cancer photodynamic therapy. European journal of medicinal chemistry, 2019, 174, 66-75.
- Sengupta, D., Mazumdar, Z. H., Mukherjee, A., Sharma, D., Halder, A. K., Basu, S., & Jha, T. (2018). Benzamide porphyrins with directly conjugated and distal pyridyl or pyridinium groups substituted to the porphyrin macrocycles: Study of the photosensitising abilities as inducers of apoptosis in cancer cells under photodynamic conditions. Journal of Photochemistry and Photobiology B: Biology, 2018, 178, 228-236.