SR University

Key Publications

Manikul Islam Sk , Sagar Bag, Aman Ahmad Siddiqui, Souvik Ghosal, Mangal Deep Burman, Sudipta Bhowmik. Hydroxyl group substitution influences the recognition of non-canonical DNA structures by natural flavonoids. Physical Chemistry Chemical Physics, RSC Publications (2026) (I.F.: 3)
Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Predicting Drug-Target Interactions and Adverse Drug Reactions via Machine Learning. Machine Learning for Molecular Diagnostics and Therapeutics. Springer Nature, Methods in Molecular Biology (2026)
Souvik Ghosal, Sagar Bag, Mangal Deep Burman, Sudipta Bhowmik. Microplastics exhibit distinct structural impacts on milk whey proteins α-lactalbumin and β-lactoglobulin. Microchemical Journal, Elsevier, ScienceDirect (2026), 230, 119876, DOI: 10.1016/j.microc.2026.119876 (I.F.: 5.2)
Souvik Ghosal, Sagar Bag, Mangal Deep Burman, Sudipta Bhowmik. Multispectroscopic investigations of the binding interaction between microplastics and actin protein. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Elsevier, ScienceDirect (2026), 366, 128805, DOI: https://doi.org/10.1016/j.saa.2026.128805 (I.F.: 4.8)
Uma Sankar Mandal, Shamim Ahamed, Souvik Ghosal, Sagar Bag, Lutan Liu, Shuntaro Takahashi, Sudipta Bhowmik, Tapas Ghosh. Nickel-Catalyzed Suzuki Coupling-Cyclization Cascade toward Indole Derivatives Targeting H-Telo and VEGF G-Quadruplex DNA. New Journal of Chemistry, RSC Publications (2026). https://doi.org/10.1039/D6NJ03222B (I.F.: 2.6).
Sk Shamim Ahamed,# Sagar Bag,# Raj Kumar Chinnadurai, Sudipta Bhowmik, Tapas Ghosh. Nickel-Catalyzed Construction of Dibenzoxathiepine and Dibenzothiazepine Frameworks as H-Telo G-Quadruplex DNA Binders. ChemMedChem, Wiley-VCH on behalf of Chemistry Europe, Wiley Publications (2026), 21 (11), p.e70329, (#Joint 1st Author) DOI: https://doi.org/10.1002/cmdc.70329 (I.F.: 3.4)
Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Impact of Polystyrene Microplastics on Human Alternative DNA Structures. ChemistrySelect, Chemistry Europe, Wiley Publications (2026), 11(4), e02999, DOI: https://doi.org/10.1002/slct.202502999 (I.F.: 2.3)
Sukanya Das, Mangal Deep Burman, Sagar Bag, Ranjit Soren, Brindaban Roy, Sudipta Bhowmik, Raj K. Nandi. Synthesis of Tris-Indolylmethanealkaloids by Harnessing the Nucleophilic Reactivity of Indole-BX and Studying Their Interactions with Hemoglobin. New Journal of Chemistry, RSC Publications (2026), Article IDCP d5nj03073k: 50, 98 – 108, DOI: https://doi.org/10.1039/D5NJ03073K (I.F.: 2.6)
Abhinandan Bera, Maheswari Sivaravi, Souvik Ghosal, Sagar Bag, Sudipta Bhowmik, Sunil Kumar Meena, Bikram Das, Anasuya Ganguly, Subhasish Roy. Tripeptide-based Amyloid Hydrogel: Phenylalanine Mutation Outcomes on Self-assembly, Hydrogelations and Their Cytotoxicity Assays. Journal of Materials Chemistry B, RSC Publications (2026), 14(35), 10969–10981, DOI: https://doi.org/10.1039/D6TB00326E (I.F.: 6.2)
Sagar Bag, Souvik Ghosal, Mangal Deep Burman, Moupriya Mukherjee, Goutam Pramanik, Sudipta Bhowmik. Modulation of HRAS1 I-motif DNA Promoter Region by Dietary Plant Flavonoid Kaempferol. ACS Omega, ACS publications (2025), 10(29), 31381–31392, DOI: https://doi.org/10.1021/acsomega.5c00361 (I.F.: 5.2)
Sagar Bag, Souvik Ghosal, Mangal Deep Burman, Atanu Manna, Sudipta Bhowmik. Structural Diversity and Mechanistic Insights on Preferential Interaction of Small Molecule Ligands with i-Motif DNA Structures: Unlocking New Blueprint for Drug Discovery. ChemistrySelect, Chemistry Europe, Wiley Publications (2025), 10(24) e01985, DOI: https://doi.org/10.1002/slct.202501985 (I.F.: 2.3)
Sukanya Das#, Sagar Bag#, Md. Abbasuddin Sk, Raj K. Nandi, Sudipta Bhowmik. Smart drug in cancer treatment: Design, synthesis and biophysical characterization of uracil-containing cyclic hypervalent iodine (Uracil-BX) reagent with G-Quadruplex DNA structures. Bioorganic Chemistry, Elsevier, ScienceDirect (2025), 165, p.109021, (#Joint 1st Author) DOI: https://doi.org/10.1016/j.bioorg.2025.109021 (I.F.: 5.1)
Souvik Ghosal, Sagar Bag, Sudipta Bhowmik. Poly (vinyl chloride) microplastics induce structural and functional alterations in myoglobin. RSC Advances, RSC Publications (2025), 15(34), 27576-27585, Article ID: RA d5ra02355f, DOI: https://doi.org/10.1039/d5ra02355f (I.F.: 6.2)
Mangal Deep Burman, Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Understanding the impact of the molecular crowding environment on the glyoxal-mediated glycation of hemoglobin. Physical Chemistry Chemical Physics, RSC Publications (2025), Article IDCP d5cp00633c: 27, 11821 – 11829, DOI: https://doi.org/10.1039/D5CP00633C (I.F.: 3)
Sk Shamim Ahamed, Nargis Khatun, Mangal Deep Burman, Sagar Bag, Rajdeep Chakraborty, Bodhisattwa Panda, Raj Kumar Chinnadurai, Debashree Manna, Sudipta Bhowmik, A K M Maidul Islam, Muklesur Rahman, Tapas Ghosh. Naphthalene Diimide-Based Soft Materials Exhibiting High Performance, Tunable Electrical Properties Through Side Chain Engineering and Strong Binding Interactions with Human Hemoglobin. Small, Wiley-VCH GmbH, Weinheim, Wiley Publications (2025), 21(33), 2504759, DOI: https://doi.org/10.1002/smll.202504759 (I.F.: 13)
Sk Shamim Ahamed, Uma Sankar Mandal, Sagar Bag, Mangal Deep Burman, Rabindranath Lo, Debashree Manna, Sudipta Bhowmik, Tapas Ghosh. Nickel-Catalyzed Regioselective Access to Dibenzo[b,e]azepinones: Mechanistic Study, Docking, and Biophysical Exploration of Binding Interactions with Human Hemoglobin. Chemistry - An Asian Journal, Wiley-VCH on behalf of the Asian Chemical Editorial Society, Wiley Publications (2025), 20(16), e00030, DOI: https://doi.org/10.1002/asia.202500030 (I.F.: 4.1)
Mangal Deep Burman, Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Glycation of Proteins and Its Endproducts: From Initiation to Natural Product-Based Therapeutic Preventions. ACS Pharmacology & Translational Science, ACS publications (2025), 8(3), 636-653, DOI: https://doi.org/10.1021/acsptsci.4c00684. (I.F.: 5.1)
Sagar Bag, Karam Chand, Mangal Deep Burman, Steven Vertueux, Erik Chorell, Sudipta Bhowmik. Exploring i-Motif DNA Binding with Benzothiazolino Coumarins: Synthesis, Screening, and Spectroscopic Insights. Bioorganic Chemistry, Elsevier, ScienceDirect (2025), 156, p.108227, DOI: https://doi.org/10.1016/j.bioorg.2025.108227 (I.F.: 5.1)
Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Microplastics can alter structural configurations of human non-canonical G-quadruplex DNA. Environmental Toxicology and Pharmacology [ETAP], Elsevier, ScienceDirect (2025), 114, 104626, DOI: https://doi.org/10.1016/j.etap.2025.104626 (I.F.: 4.6)
Sagar Bag, Souvik Ghosal, Sudipta Bhowmik. Decoding The Potential of HRAS2 i-Motif DNA Promoter To Become a Pinpoint Target by Phytomedicine Naringenin. ChemistrySelect, Chemistry Europe, Wiley Publications (2025), 10(1), e202404775, DOI: https://doi.org/10.1002/slct.202404775 (I.F.: 2.3)
Sagar Bag, Atanu Manna, Sudipta Bhowmik. Artificial Intelligence in Cellular and Biomolecular Spectroscopy: A New Horizon. Methods in Molecular Biology (MIMB_ Lab Protocol Series), ISBN 978-1-0716-4689-2, 616795_1_En, volume-2952, 59-72; Springer Nature. Humana, New York (2025). DOI: https://doi.org/10.1007/978-1-0716-4690-8_4
Souvik Ghosal, Sagar Bag, SR Rao, Sudipta Bhowmik. Exposure to polyethylene microplastics exacerbate Inflammatory Bowel Disease tightly associated with intestinal gut microflora. RSC Advances, RSC Publications (2024), 14(35), 25130-25148, DOI: https://doi.org/10.1039/d4ra04544k (I.F.: 6.2)
Souvik Ghosal#, Sagar Bag#, Sudipta Bhowmik. Insights into the Binding Interactions between Microplastics and Human α-Synuclein Protein by Multispectroscopic Investigations and Amyloidogenic Oligomer Formation. The Journal of Physical Chemistry Letters, ACS publications (2024), 15(25), 6560-6567, (#Joint 1st Author) DOI: https://doi.org/10.1021/acs.jpclett.4c00731 (I.F.: 5.7)
Pamela Pal#, Sagar Bag#, Mangal Deep Burman, Raj Kumar Nandi, Sudipta Bhowmik. Deciphering Preferential Binding Interaction of Synthetic Pyrido[2,3-c]Carbazole Alkaloid Derivative (PCAD) with Pu24T G-quadruplex DNA. ChemistrySelect, Chemistry Europe, Wiley Publications (2024), 9(28), e202402561 (#Joint 1st Author) DOI: https://doi.org/10.1002/slct.202402561 (I.F.: 2.3)
Souvik Ghosal#, Sagar Bag#, Raj Kumar Chinnadurai, Moupriya Mukherjee, Goutam Pramanik, Sudipta Bhowmik. Investigating the preferential interaction between imatinib mesylate and VEGF G-quadruplex DNA as therapeutic strategies for cancer treatment: Biophysical and molecular modelling approaches. Computers in Biology and Medicine, Elsevier, ScienceDirect (2024), 177, 108683 (#Joint 1st Author) DOI: https://doi.org/10.1016/j.compbiomed.2024.108683 (I.F.: 7.7)
Sagar Bag, Souvik Ghosal, Moupriya Mukherjee, Goutam Pramanik, Sudipta Bhowmik. Quercetin Exhibits Preferential Binding Interaction by Selectively Targeting HRAS1 I-Motif DNA-Forming Promoter Sequences. Langmuir, ACS publications (2024), 40(19), 10157-10170, DOI: https://doi.org/10.1021/acs.langmuir.4c00418 (I.F.: 4.4)
Mangal Deep Burman, Sagar Bag, Souvik Ghosal, Moupriya Mukherjee, Goutam Pramanik, Sudipta Bhowmik. Revealing the Improved Binding Interaction of Plant Alkaloid Harmaline with Human Hemoglobin in Molecular Crowding Condition. ACS Omega, ACS publications (2024), 9(19), 21668-21679, DOI: https://doi.org/10.1021/acsomega.4c02766 (I.F.: 5.2)
Anupam Mondal, Sagar Bag, Avishek Banik. Plant microbiome: trends and prospects for sustainable agriculture management. Applications of Metagenomics-Agriculture, Environment, and Health, Elsevier (2024), 53-87. DOI: https://doi.org/10.1016/B978-0-323-98394-5.00017-1
Souvik Ghosal#, Sagar Bag#, Mangal Deep Burman, Sudipta Bhowmik. Multispectroscopic Investigations of the Binding Interaction between Polyethylene Microplastics and Human Hemoglobin. The Journal of Physical Chemistry Letters, ACS publications (2023), 4(46), 10328-10332. (#Joint 1st Author) DOI: http://doi.org/10.1021/acs.jpclett.3c02632 (I.F.: 5.7)
Sagar Bag, Sudipta Bhowmik. Fluorescence Spectroscopy: A Useful Method to Explore the Interactions of Small Molecule Ligands with DNA Structures. Methods in Molecular Biology (Reverse Engineering of Regulatory Networks), 2719:33-49 Springer Nature. Humana, New York (2024). (PMID: 37803111); ISBN: 9781071634608; DOI: http://doi.org/10.1007/978-1-0716-3461-5_3
Mangal Deep Burman#, Sagar Bag#, Souvik Ghosal, Sudip Karmakar, Goutam Pramanik, Raj Kumar Chinnadurai and Sudipta Bhowmik. Exploring the Structural Importance of C3=C4 Double Bond in Plant Alkaloids Harmine and Harmaline on their Binding Interactions with Hemoglobin. ACS Omega, ACS publications (2023), 8(40), 37054-37064 (#Joint 1st Author) DOI: http://doi.org/10.1021/acsomega.3c04432 (I.F.: 5.2)
Sagar Bag, Souvik Ghosal, Sudip Karmakar, Goutam Pramanik, and Sudipta Bhowmik. Uncovering the Contrasting Binding Behavior of Plant Flavonoids Fisetin and Morin Having Subsidiary Hydroxyl Groups (−OH) with HRAS1 and HRAS2 i‑Motif DNA Structures: Decoding the Structural Alterations and Positional Influences. ACS Omega, ACS publications (2023), 8(33), 30315-30329. PMID: 37636929; PMCID: PMC10448647; DOI: http://doi.org/10.1021/acsomega.3c03105 (I.F.: 5.2)
Souvik Ghosal#, Sagar Bag#, Sudipta Bhowmik. Unravelling the Drug Encapsulation Ability of Functional DNA Origami Nanostructures: Current Understanding and Future Prospects on Targeted Drug Delivery. Polymers, MDPI (2023), 15, 1850, (#Joint 1st Author) DOI: https://doi.org/10.3390/polym15081850 (I.F.: 5.8)
Sagar Bag, Mangal Deep Burman, Sudipta Bhowmik. Structural insights and shedding light on preferential interactions of dietary flavonoids with G-quadruplex DNA structures: A new horizon. Heliyon, Cell Press (2023), 9, (3), e13959; DOI: https://doi.org/10.1016/j.heliyon.2023.e13959 (I.F.: 4)
Anusha Majumder, Sunil Kanti Mondal, Samyabrata Mukhoty, Sagar Bag, Anupam Mondal, Yasmin Begum, Kalpna Sharma, Avishek Banik. Virtual screening and docking analysis of novel ligands for selective enhancement of tea (Camellia sinensis) flavonoids. Food Chemistry: X (2022), 13, 100212, DOI: https://doi.org/10.1016/j.fochx.2022.100212 (I.F.: 9.4)
Sagar Bag, Anupam Mondal, Anusha Majumder, Sunil Kanti Mondal, Avishek Banik. Flavonoid mediated selective cross-talk between plants and beneficial soil microbiome. Phytochemistry Reviews (2022), 21(5), 1739-1760. DOI: https://doi.org/10.1007/s11101-022-09806-3 (I.F.: 7.7)
Sagar Bag, Anupam Mondal, Avishek Banik. Exploring tea (Camellia sinensis) microbiome: Insights into the functional characteristics and their impact on tea growth promotion. Microbiological Research (2022), 254, 126890. DOI: https://doi.org/10.1016/j.micres.2021.126890 (I.F.: 8.5)
Sagar Bag, Anupam Mondal, Anusha Majumder, Avishek Banik. Tea and its Phytochemicals: Hidden Health Benefits & Modulation of Signaling Cascade by Phytochemicals. Food Chemistry (2022), 371, 131098. DOI: https://doi.org/10.1016/j.foodchem.2021.131098 (I.F.: 10.4)
Sagar Bag, Anupam Mondal, Avishek Banik. Regulation of Plant Growth by Microbe-Assisted Nitric Oxide Production in “Nitric Oxide in Plants: A Molecule with Dual Roles”. John Wiley & Sons, Ltd. (ISBN: 9781119800156), pp.95-117 (2022) DOI: https://doi.org/10.1002/9781119800156.ch6
Anupam Mondal, Sagar Bag, Ronita Chandra, Avishek Banik. Nanobiotechnology of endophytes in “Agricultural Nanobiotechnology” Elsevier (2022), pp.105-128, DOI: https://doi.org/10.1016/B978-0-323-91908-1.00018-3

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Awards & Achievements

“Lotus Post Doctoral Fellowship” (LOTUS-ASPIRE)

Japan Science and Technology Agency (JST), National Research and Development Agency of Japan

2026

World Rank 257, Ranked 10 in India—(In Nucleic Acid Chemistry Field), 2026 (Scholarly Index); 4.4 % Worldwide Scientist

Top 1000 Scholar Ranking (Scholarly Index)

2026

Visiting Scientist in SAKURA SCIENCE Exchange Program

Japan Science and Technology Agency (JST)

2026

Young Scientist Award

Exceptional achievements and outstanding contribution in research by Scientific Laurels, a global organization operated by Peritus Hive Research and Innovations, registered under the Ministry of Corporate Affairs (MCA), Government of India (2026) [https://www.scientificlaurels.com/biography/js19yw].

2026

Invited Talk: Molecular Dialogues: Dietary Plant Flavonoids and Their Preferential Interplay with Key i-Motif DNA Structures

CNAST × FIBER Nucleic Acids Symposium, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, USA (21 May 2025)

2025

Best Poster Presenting Award (awarded by American Chemical Society & Indian Photobiology Society)

4th International Conference of Emerging Smart Materials in Applied Chemistry (ESMAC-2023) & Interdisciplinary Science for Sustainability as a part of the Diamond Jubilee Celebration of Indian Photobiology Society organized by CSIR-Institute of Minerals and Materials Technology & Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar

2024

CSIR UGC National Eligibility Test-Junior Research Fellow (CSIR-UGC-JRF & SRF)

Council of Scientific & Industrial Research-University Grants Commission (CSIR-UGC), Government of India

2021, 2019

DST-INSPIRE Fellowship

For securing FIRST position in M.Sc. Awarded by DST, Government of India

2020

Graduate Aptitude Test in Engineering 2019 (GATE-Life Sciences, AIR:-385)

Indian Institute of Technology (IIT) Madras, Ministry of Human Resources Development, Government of India

2019, 2018

Gold Medal

For securing FIRST position in M.Sc. in Zoology under Vidyasagar University -Awarded by Vidyasagar University, West Bengal

2020

TIFR exam or TIFR-GS [Biology (JGEEBILS)]

Tata Institute of Fundamental Research (TIFR). Reference Code in TIFR:- 55063.

2016

DST-INSPIRE Scholarship

Students with aggregate marks within top 1% of their class XII examination of any State/Board in India-Awarded by DST, Government of India

2014

Dr.Sagar Bag

Interests

Research Areas

Student Supervision

Key Publications

Awards & Achievements

“Lotus Post Doctoral Fellowship” (LOTUS-ASPIRE)

World Rank 257, Ranked 10 in India—(In Nucleic Acid Chemistry Field), 2026 (Scholarly Index); 4.4 % Worldwide Scientist

Visiting Scientist in SAKURA SCIENCE Exchange Program

Young Scientist Award

Invited Talk: Molecular Dialogues: Dietary Plant Flavonoids and Their Preferential Interplay with Key i-Motif DNA Structures

Best Poster Presenting Award (awarded by American Chemical Society & Indian Photobiology Society)

CSIR UGC National Eligibility Test-Junior Research Fellow (CSIR-UGC-JRF & SRF)

DST-INSPIRE Fellowship

Graduate Aptitude Test in Engineering 2019 (GATE-Life Sciences, AIR:-385)

Gold Medal

TIFR exam or TIFR-GS [Biology (JGEEBILS)]

DST-INSPIRE Scholarship