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Results for “"Ajoy Kumer"”

21+ results

Analysis of Crystallographic Structures and Properties of Silver Nanoparticles Synthesized Using PKL Extract and Nanoscale Characterization Techniques

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Md. Hazrat Ali, Md. Abul Kalam Azad, K. A. Khan, Md. Obaidur Rahman et al.

Journal: ACS OmegaYear: 2023Citations: 255

In this cutting-edge research era, silver nanoparticles impose a substantial impact because of their wide applicability in the field of engineering, science, and industry. Regarding the vast applications of silver nanoparticles, in this study, the crystallographic characteristics and nanostructures ...

Physical SciencesMaterials ScienceMaterials ChemistryOpen Access
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Synthesis, molecular docking, molecular dynamic, quantum calculation, and antibacterial activity of new Schiff base-metal complexes

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Heba E. Hashem, Ashutosh Nath, Ajoy Kumer

Journal: Journal of Molecular StructureYear: 2021Citations: 87
Health SciencesMedicineOncology
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Investigating the binding affinity, molecular dynamics, and ADMET properties of 2,3-dihydrobenzofuran derivatives as an inhibitor of fungi, bacteria, and virus protein

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Ashutosh Nath, Ajoy Kumer, Fahmida Zaben, Md. Wahab Khan

Journal: Beni-Suef University Journal of Basic and Applied SciencesYear: 2021Citations: 76

Abstract Background 2,3-Dihydrobenzofurans (DHB) have proposed as advantages structures, and used as chemical entresol to design small compound libraries. The present study illustrates to explore 2,3-dihydrobenzofurans(DHB) in comparison to selected some derivatives drugs by using molecular docking ...

Physical SciencesChemistryOrganic ChemistryOpen Access
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STAT3 Signaling Pathway in Health and Disease

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Md Abdus Samad, Iftikhar Ahmad, A. M. Mahedi Hasan, Mohammad Hassan Alhashmi et al.

Journal: MedCommYear: 2025Citations: 75

Signal transducer and activator of transcription 3 (STAT3) is a critical transcription factor involved in multiple physiological and pathological processes. While STAT3 plays an essential role in homeostasis, its persistent activation has been implicated in the pathogenesis of various diseases, part...

Health SciencesMedicineOncologyOpen Access
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Fighting ahead: Adoption of social distancing in COVID-19 outbreak through the lens of theory of planned behavior

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Anupam Kumar Das, Munshi Muhammad Abdul Kader Jilani, Mohammad Shahab Uddin, Md. Aftab Uddin et al.

Journal: Journal of Human Behavior in the Social EnvironmentYear: 2021Citations: 60

This study, being explorative, aims to identify the antecedents of social distancing behavior among people in a collective society, in Bangladesh. Based on the social-psychological behavioral model, i.e. theory of planned behavior (TPB), the current study incorporates attitudes, subjective norms, pe...

Social SciencesPsychologyClinical Psychology
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Chemical descriptors, PASS, molecular docking, molecular dynamics and ADMET predictions of glucopyranoside derivatives as inhibitors to bacteria and fungi growth

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Sarkar M. A. Kawsar, Ajoy Kumer, Nasrin S. Munia, Mohammed A. Hosen et al.

Journal: Organic CommunicationsYear: 2022Citations: 55

The methyl -D-glucopyranoside and its derivatives have been estimated as the antimicrobial agents against numerous human pathogens, which is constantly amplifying the attention of medicinal chemists to design new bioactive molecules and their structure-activity relationship (SAR) while the computati...

Physical SciencesChemistryOrganic ChemistryOpen Access
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The theoretical investigation of HOMO, LUMO, thermophysical properties and QSAR study of some aromatic carboxylic acids using HyperChem programming

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Ajoy Kumer, Md. Nuruzzaman Sarker, Sunanda Paul

Journal: International Journal of Chemistry and TechnologyYear: 2019Citations: 55

Growing the molecular mechanism of chemicals, thermochemical and biological interactions is considered as the ultimate goal of computational chemistry. Some thermodynamic parameters such as free energy, entropy, dipole moment, binding energy, nuclear energy, electronics energy, heat of formation, an...

Physical SciencesEnvironmental ScienceEnvironmental ChemistryOpen Access
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Synthesis, computational and molecular docking study of some 2, 3-dihydrobenzofuran and its derivatives

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Ashutosh Nath, Ajoy Kumer, Md. Wahab Khan

Journal: Journal of Molecular StructureYear: 2020Citations: 51

2, 3-Dihydrobenzofuran-2-carboxylates (DHBC) derivatives were synthesized by cyclization on one pot reaction, and characterized by FT-IR, 1H NMR and 13C NMR spectral studies. The intermolecular coupling reactions of 2-iodophenols with acrylic esters by the Pd(Ph3P)2Cl2 catalyst were investigated. Th...

Physical SciencesChemistryOrganic Chemistry
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The prediction and theoretical study for chemical reactivity, thermophysical and biological activity of morpholinium nitrate and nitrite ionic liquid crystals: A DFT study

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Mohammad Jahidul Islam, Ajoy Kumer, Nuruzzaman Sarker, Sunanda Paul et al.

Journal: Advanced Journal of Chemistry-Section AYear: 2019Citations: 51

As the morpholine and morphine have been used all over the world as pain killer drugs even used in cancer treatment, so the morpholine is more demanding chemical molecule. In our work, the morpholine has included the addition of inorganic anions like nitrate and nitrite for forming morpholinium base...

Physical SciencesChemical EngineeringCatalysisOpen Access
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Global advances and smart innovations in supramolecular polymers

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Mohammad Harun‐Ur‐Rashid, Israt Jahan, Md. Jahidul Islam, Ajoy Kumer et al.

Journal: Journal of Molecular StructureYear: 2024Citations: 50
Physical SciencesMaterials ScienceBiomaterials
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A drug design strategy based on molecular docking and molecular dynamics simulations applied to development of inhibitor against triple-negative breast cancer by Scutellarein derivatives

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Shopnil Akash, Farjana Islam Aovi, AK Azad, Ajoy Kumer et al.

Journal: PLoS ONEYear: 2023Citations: 48

Triple-negative breast cancer (TNBC), accounting for 10-15% of all breast malignancies, is more prevalent in women under 40, particularly in those of African descent or carrying the BRCA1 mutation. TNBC is characterized by the absence of estrogen and progesterone receptors (ER, PR) and low or elevat...

Physical SciencesComputer ScienceComputational Theory and MathematicsOpen Access
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The Theoretical Prediction of Thermophysical properties, HOMO, LUMO, QSAR and Biological Indics of Cannabinoids (CBD) and Tetrahhdrocannabinol (THC) by Computational Chemistry

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Ajoy Kumer, Nuruzzaman Sarker, Sunanda Paul, Afroza Zannat

Journal: Advanced Journal of Chemistry-Section AYear: 2019Citations: 45

Some thermophysical parameters of CBD and THC such as free energy, entropy, dipole moment, binding energy, nuclear energy, electronics energy, heat of formation, and chemical reactivity like HOMO (Occupied Molecular Orbital Highest) and LUMO (Lowest Unoccupied Molecular Orbital, HUMO-LUMO gap, ioniz...

Physical SciencesChemistryPhysical and Theoretical ChemistryOpen Access
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The effect of alkyl chain and electronegative atoms in anion on biological activity of anilinium carboxylate bioactive ionic liquids and computational approaches by DFT functional and molecular docking

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Ajoy Kumer, Md. Wahab Khan

Journal: HeliyonYear: 2021Citations: 44

The Brønsted acid-base neutralization was executed for synthesis of the anilinium carboxylate ionic liquids (ACILs), and obtained highly viscous liquids with yields about (90-94)%. These ILs were purified by distillation process and used vacuum oven, as well as characterized by FT-IR, UV spectroscop...

Physical SciencesChemical EngineeringCatalysisOpen Access
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Synthesis, characterization, antimicrobial activity and computational exploration of ortho toludinium carboxylate ionic liquids

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Ajoy Kumer, Md Wahab Khan

Journal: Journal of Molecular StructureYear: 2021Citations: 42
Physical SciencesChemical EngineeringCatalysis
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The Bangladesh Risk of Acute Vascular Events (BRAVE) Study: objectives and design

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Rajiv Chowdhury, Dewan S Alam, Ismail Ibrahim Fakir, Sheikh Daud Adnan et al.

Journal: European Journal of EpidemiologyYear: 2015Citations: 40

During recent decades, Bangladesh has experienced a rapid epidemiological transition from communicable to non-communicable diseases. Coronary heart disease (CHD), with myocardial infarction (MI) as its main manifestation, is a major cause of death in the country. However, there is limited reliable e...

Health SciencesHealth ProfessionsHealth Information ManagementOpen Access
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Investigation of the New Inhibitors by Sulfadiazine and Modified Derivatives of α-D-glucopyranoside for White Spot Syndrome Virus Disease of Shrimp by In Silico: Quantum Calculations, Molecular Docking, ADMET and Molecular Dynamics Study

Verified

Ajoy Kumer, Unesco Chakma, Md. Masud Rana, Akhel Chandro et al.

Journal: MoleculesYear: 2022Citations: 39

The α-D-glucopyranoside and its derivatives were as the cardinal investigation for developing an effective medication to treat the highest deadly white spot syndrome virus (WSSV) diseases in Shrimp. In our forthcoming work, both computational tools, such as molecular docking, quantum calculations, p...

Life SciencesImmunology and MicrobiologyImmunologyOpen Access
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In silico and in vitro prediction of new synthesized N-heterocyclic compounds as anti-SARS-CoV-2

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Heba E. Hashem, Sajjad Ahmad, Ajoy Kumer, Youness El Bakri

Journal: Scientific ReportsYear: 2024Citations: 37

Abstract Computer - aided drug design has been employed to get the medicinal effects against Corona virus from different pyridine derivatives after synthesizing the new compounds. Additionally, various computational studies are also employed between the newly prepared pyridine derivatives and three ...

Physical SciencesComputer ScienceComputational Theory and MathematicsOpen Access
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Synthesis, characterization, antibacterial activity of thiosemicarbazones derivatives and their computational approaches: Quantum calculation, molecular docking, molecular dynamic, ADMET, QSAR

Verified

Mahbub Alam, Mohammed Nurul Abser, Ajoy Kumer, M. M. H. Bhuiyan et al.

Journal: HeliyonYear: 2023Citations: 36

The thiosemicarbazones and their derivatives have been recognized as antimicrobial agents against human pathogenic bacteria and fungi. Regarding these prospective, this study was designed to address the new antimicrobial agents from thiosemicarbazones and their derivatives. These derivatives were sy...

Physical SciencesChemistryOrganic ChemistryOpen Access
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MODIFIED D-GLUCOFURANOSE COMPUTATIONALLY SCREENING FOR INHIBITOR OF BREAST CANCER AND TRIPLE BREAST CANCER: CHEMICAL DESCRIPTOR, MOLECULAR DOCKING, MOLECULAR DYNAMICS AND QSAR

Verified

Ajoy Kumer, Unesco Chakma, Akhel Chandro, Debashis Howlader et al.

Journal: Journal of the Chilean Chemical SocietyYear: 2022Citations: 33

Drug discovery and the process of new drug design have been formulated much easier in the past two decades by introducing, proliferation of combined physical, biochemical process from computing capabilities and computational approaches. Since the breast cancer is one of the life-threatening problems...

Physical SciencesComputer ScienceComputational Theory and MathematicsOpen Access
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Molecular Dynamics Simulation, QSAR, DFT, Molecular Docking, ADMET, and Synthesis of Ethyl 3-((5-Bromopyridin-2-yl)Imino)Butanoate Analogues as Potential Inhibitors of SARS-CoV-2

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F. M. Mashood Ahamed, Sampath Chinnam, Malathi Challa, Gurushantha Kariyanna et al.

Journal: Polycyclic aromatic compoundsYear: 2023Citations: 32

AbstractStructural modifications of ethyl-3-((5-bromopyridin-2-yl)imino)butanoate ester enhances its biological activities. In the present work, the synthesis of a Schiff base by reacting 2-amino-5-bromo pyridine and ethyl acetoacetate was reported. Electronic properties were investigated by the com...

Physical SciencesChemistryOrganic Chemistry
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