Anjan Kumar Das

ORCID: 0000-0001-6318-4669
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Research Areas
  • Mesenchymal stem cell research
  • Pluripotent Stem Cells Research
  • Asymmetric Hydrogenation and Catalysis
  • Advanced Photocatalysis Techniques
  • Research on Leishmaniasis Studies
  • Covalent Organic Framework Applications
  • Asymmetric Synthesis and Catalysis
  • Synthesis and Catalytic Reactions
  • Carbon dioxide utilization in catalysis
  • Tissue Engineering and Regenerative Medicine
  • Advanced Nanomaterials in Catalysis
  • Organometallic Complex Synthesis and Catalysis
  • Anesthesia and Pain Management
  • Drug Transport and Resistance Mechanisms
  • Trypanosoma species research and implications
  • Chemical Synthesis and Reactions
  • Peripheral Artery Disease Management
  • Angiogenesis and VEGF in Cancer
  • Metal complexes synthesis and properties
  • Metal-Organic Frameworks: Synthesis and Applications
  • Lung Cancer Diagnosis and Treatment
  • Electrospun Nanofibers in Biomedical Applications
  • Mycobacterium research and diagnosis
  • Axial and Atropisomeric Chirality Synthesis
  • CO2 Reduction Techniques and Catalysts

Sanjay Gandhi Post Graduate Institute of Medical Sciences
2025

Government Medical College and Hospital
2020-2024

Calcutta National Medical College and Hospital
2013-2024

Mahatma Gandhi Medical College and Research Institute
2024

Narayan Medical College and Hospital
2024

Medical College and Hospital, Kolkata
2010-2024

University of Sheffield
2023-2024

SRM Institute of Science and Technology
2024

Government Medical College and Hospital
2022-2024

Cooch Behar Panchanan Barma University
2021-2023

Peripheral vascular disease of the lower extremities comprises a clinical spectrum that extends from no symptoms to presentation with critical limb ischemia (CLI). Bone marrow derived Mesenchymal Stem Cells (BM- MSCs) may ameliorate consequences CLI due their combinatorial potential for inducing angiogenesis and immunomodulatory environment in situ. The primary objective was determine safety BM- MSCs patients CLI. Prospective, double blind randomized placebo controlled multi-center study...

10.1186/1479-5876-11-143 article EN cc-by Journal of Translational Medicine 2013-06-10

The clinical application of human bone marrow derived multipotent mesenchymal stromal cells (MSC) requires expansion, cryopreservation, and transportation from the laboratory to site cell implantation. cryopreservation thawing process MSCs may have important effects on viability, growth characteristics functionality these both in vitro vivo. More importantly, after two rounds not been as well characterized fresh transplantation perspective. objective this study was determine if effect...

10.1002/jcb.24193 article EN Journal of Cellular Biochemistry 2012-05-21

Abstract Recent findings suggest a key role for reactive oxygen species (ROS) in the pathogenesis and progression of ulcerative colitis (UC). Several studies have also highlighted efficacy citrate functionalized Mn 3 O 4 nanoparticles as redox medicine against number ROS-mediated disorders. Here we show that synthesized consisting chitosan tri-manganese tetroxide (Mn ) can restore balance mouse model UC induced by dextran sulfate sodium (DSS). Our in-vitro characterization developed...

10.1038/s42003-023-05023-6 article EN cc-by Communications Biology 2023-06-16

New chiral Cu (II) complexes 1–6 were generated in situ by the interaction of different sources copper(II) salts with monomeric and dimeric macrocyclic [H4]salen ligands derived from (1R,2R)-(−)-1,2-diaminocyclohexane (1R,2R)-(−)-1,2-diphenyl-1,2-diaminoethane trigol-bis(aldehyde). A variety aldehydes found to be suitable substrates nitromethane presence for asymmetric nitroaldol reaction at RT. Excellent yields (98% respect aldehyde) β-nitroalcohols high enantioselectivity (ee, ∼99%)...

10.1021/cs2004467 article EN ACS Catalysis 2011-09-26

Leishmania donovani (LD), the causative agent of visceral leishmaniasis (VL), extracts membrane cholesterol from macrophages and disrupts lipid rafts, leading to their inability stimulate T cells. Restoration by liposomal delivery corrects above defects offers protection in infected hamsters. To reinforce further protective role VL, mice were either provided a high-cholesterol (atherogenic) diet or underwent statin treatment. Subsequent LD infection showed that an atherogenic is associated...

10.1194/jlr.m026914 article EN cc-by Journal of Lipid Research 2012-10-12

Abstract The potentiality of nano‐enzymes in therapeutic use has directed contemporary research to develop a substitute for natural enzymes, which are suffering from several disadvantages including low stability, high cost, and difficulty storage. However, inherent toxicity, inefficiency the physiological milieu, incompatibility function cellular enzyme networks limit nanozymes living systems. Here, it is shown that citrate functionalized manganese‐based biocompatible nanoscale material...

10.1002/adhm.202001736 article EN Advanced Healthcare Materials 2020-12-16

A 2D covalent organic framework (COF) was synthesized by copolymerization between 4,4′-biphenyldicarbaldehyde and 1,3,5-tris-(4-aminophenyl) triazine (TAPT). This COF exhibited excellent photocatalytic performance for the CO 2 reduction to methanol.

10.1039/d2cy00088a article EN Catalysis Science & Technology 2022-01-01

Direct photochemical carboxylation of C(sp3)–H bonds with CO2 is an uphill task and it has attracted increasing attention. In the present study, we report elegant strategy for visible-light-triggered C(sp3)-H amines into α-amino acids using a stable crystalline polyimide-based covalent organic framework (PI-COF) as efficient heterogeneous photocatalyst NiO nanoparticles (NiO NPs) cocatalyst under ambient conditions (room temperature atmospheric pressure). Diverse amino are produced in...

10.1021/acssuschemeng.2c07353 article EN ACS Sustainable Chemistry & Engineering 2023-06-09

Acquired ano-rectal fistulas and sinuses are frequently observed clinical conditions, with a higher prevalence in men. While these conditions typically remain confined to the region, potential for involvement of nearby pelvic genito-urinary structures exists due their anatomical closeness. Interestingly, such cases rarely documented medical literature. This could be attributed protective role barriers, as fasciae, which limit spread inflammatory or infectious processes from area adjacent...

10.7759/cureus.77832 article EN Cureus 2025-01-22

Objective: To evaluate the efcacy of HoLEP as compared to Bipolar TURP in terms postop and follow up parameters. Methods: A retrospective study was done BPH patients who underwent between May 2022 April 2024. total 63 were assessed which comprised 30 Group 1 (Bipolar TURP) 33 2 (HoLEP). Patients Resected tissue weight, Hemoglobin drop, Change Sodium, Post op IPSS, QoL, Qmax, PVR at month 3 months up. Results: parameters like resected weight found be signicantly more group (p = 0.001),...

10.36106/gjra/9606085 article EN Global Journal For Research Analysis 2025-03-15

Chiral amino alcohols supported on mesoporous silicas were synthesized and evaluated as a new class of chiral ligands in copper-catalyzed nitroaldol reaction under heterogeneous mild conditions. The activity enantioselectivity the present catalytic system is immensely influenced by presence achiral bases an additive. heterogenized copper(II) complex alcohol was found to be effective recyclable catalyst for different aldehydes such aromatic, aliphatic, alicyclic, α−β unsaturated produce...

10.1021/jo1010679 article EN The Journal of Organic Chemistry 2010-08-19

Background In an endeavor to find orally active and affordable antileishmanial drug, we tested the efficacy of a cationic amphiphilic imipramine, commonly used for treatment depression in humans. The only available drug is miltefosine with long half life teratogenic potential limits patient compliance. Thus there genuine need drug. Previously it was shown that tricyclic antidepressant alters protonmotive force promastigotes, but its vivo not reported. Methodology/Principal Findings Here show...

10.1371/journal.pntd.0001987 article EN cc-by PLoS neglected tropical diseases 2012-12-27

Objective: Different additives have been used to prolong brachial plexus block. We evaluated the effect of adding magnesium sulfate ropivacaine for supraclavicular blockade. The primary endpoints were onset and duration sensory motor block analgesia. Methods: One hundred patients (25-55 years) posted elective forearm hand surgeries under divided into two equal groups (Groups RM RN) in a randomized, double-blind fashion. In group (n = 50), 30 ml 0.5% plus 150 mg (in 1 0.9% saline) RN normal...

10.4103/2279-042x.145387 article EN cc-by-nc-sa Journal of Research in Pharmacy Practice 2014-01-01

Current high efficiency dye-sensitized solar cells (DSSCs) rely on the incorporation of multiple chromophores, via either codeposition or preformed assemblies, as a means increasing broad band light absorption. These strategies have some inherent limitations including decreased total absorption by each dyes, low surface loadings, and complex synthetic procedures. In this report, we introduce an alternative strategy, self-assembled bilayers, simple, stepwise method incorporating two...

10.1021/acsami.6b09955 article EN ACS Applied Materials & Interfaces 2016-10-04
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