10 results match your criteria: "Dayanand Science College[Affiliation]"

Synthesis of Mg doped ZnO cauli-flower nanostructures using chemical spray and its investigation for ammonia gas sensing at room temperature.

Talanta

December 2024

Thin Films and Materials Science Research Laboratory, Department of Physics, Dayanand Science College, Latur, Maharashtra, 413512, India. Electronic address:

In this study, we report the synthesis, optical characterization and ultra-sensitive ammonia gas sensing properties of Mg-doped ZnO cauliflower like nanostructures obtained via chemical spray pyrolysis technique. The morphological and structural properties of the prepared films were investigated by Field Emission Scanning electron microscope (FESEM) and X-ray diffraction (XRD). Gas sensing and optical characterizations were carried out using Keithley electrometer and Uv-Vis.

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Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), remains a significant global health challenge due to the emergence of drug-resistant strains. This study targets Flavin-dependent thymidylate synthase (ThyX), an essential enzyme in the thymidylate biosynthesis pathway crucial for bacterial DNA replication. We utilized advanced computational techniques, including molecular dynamics (MD) simulations and interaction energy analysis, to examine the binding interactions and stability of various thiazole-thiadiazole compounds with Mtb ThyX.

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This study reports the synthesis, characterization, and biological evaluation of a series of pyrazolyl-thiazole derivatives of thiophene. Seven compounds were synthesized and characterized using NMR spectroscopy and mass spectrometry. The antimicrobial activities of these derivatives were evaluated against various bacterial (, , , ) and fungal strains (, , , ), demonstrating significant inhibition zones and low minimum inhibitory concentrations (MIC).

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CPL-AgNPs exhibited improved biomimetic attributes. Antibiotic resistance against pathogens were challenged through use of CPL-AgNPs. Supercapacitor application of facile synthesized AgNPs for the first time demonstrated improved physical application.

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Synthesis, Biological and Molecular Docking Studies of Thiazole-Thiadiazole derivatives as potential Anti-Tuberculosis Agents.

Chem Biodivers

June 2024

Department of Synthetic R & D, Delta Finochem Private Limited, Gate No. 350, Village Wadivarhe, Tal-Igatpuri, 422403, Nashik, Maharashtra, India.

Tuberculosis remains a global health threat, with increasing infection rates and mortality despite existing anti-TB drugs. The present work focuses on the research findings regarding the development and evaluation of thiadiazole-linked thiazole derivatives as potential anti-tuberculosis agents. We present the synthesis data and confirm the compound structures using spectroscopic techniques.

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There have been some reports demonstrating the biogenic synthesis of silver nanoparticles (AgNPs) using (CP) plant extract; however, detailed in-depth debriefing of the vital synthesis parameter for rapid, facile, efficacious synthesis at varied temperatures with effectual characterization of nanoparticles and biomimetic attribute is lacking. This study presents a comprehensive demarcation of the sustainable fabrication of biogenic flower extract capped and stabilized silver nanoparticles (CP-AgNPs) synthesis with thorough phytochemical characterization and potential biological application. The results revealed that the successful synthesis of CP-AgNPs was instantaneous with the maximum intensity of the plasmonic peak ~400 nm, while morphological results revealed the cubic shape of nanoparticles.

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In this study, we report the expeditious synthesis of ten new antifungal and antioxidant agents containing heterocyclic linked 7-arylidene indanone moiety. The solvent-free microwave technique, ample substrate scope, superfast synthesis, and very simple operation are noteworthy features of this protocol. Antifungal activities of the newly synthesized compounds were evaluated against four fungal strains namely Rhizophus oryzae, Mucor mucido, Aspergillus niger, and Candida albicans.

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Several perylene (Pery)-doped 2-naphthol (2-NP) (Pery/2-NP) luminophors were prepared using conventional solid-state reaction techniques. Energy transfer in the excited state was examined using fluorescence spectroscopy and cyclic voltammetry. Fluorescence studies revealed exciplex formation by Pery in the form of structureless and broad spectra at higher concentrations with monomer quenching of 2-NP; a broad green emission was observed in the range 500-650 nm, peaking at 575 nm.

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The number of anthracene-tetracene (AN-TN) doped p-terphenyl (p-TP) luminophors [(TN-AN/ p-TP) (D-A)] and thin films of polystyrene doped p-TP luminophors were prepared at different proportion by conventional technique called solid state reaction and spin coating technique respectively. Excitation energy transfer (EET) was studied by fluorimetry and cyclic voltammetry technique. The result showed that, TN-AN/ p-TP in crystalline state as well as in thin films exhibit outstanding green emission at 475-550 nm, peaking at 525 nm.

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A series of novel luminophors of 2-naphthol by doping anthracene were prepared using conventional solid state reaction technique. The photophysical, electrochemical and thermal properties were studied by Fluorescence spectroscopy, XRD, SEM, TGA-DSC and by Cyclic Voltammetry techniques. The thin films were characterized by Fluorescence spectroscopy.

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