52 results match your criteria: "Govt College for Women[Affiliation]"

Article Synopsis
  • Miniature energy storage devices, crucial for wearable electronics, are explored through the fabrication of flexible micro-supercapacitors (MSCs) made from laser-induced graphene using graphene oxide (GO) on polyimide film.* -
  • The study measured the areal capacitance of these MSCs with a gel electrolyte, observing a significant initial increase that stabilized after six days of testing.* -
  • The optimized MSC, using the best concentration of GO, showed a high capacitance of 10.07 mF cm and maintained 87.9% capacitance retention after 5000 charge-discharge cycles, proving its effectiveness for flexible applications.*
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A new phenolate-thiazole derivative (L) has been synthesized and structurally characterized.The chemo-sensing activity of L is detected by the naked eye for the aqueous carbonate anion in the pH range of 4 to 8. The selective 'turn-on' fluorescence occurs through the formation of a stable intermediate L∙CO(1) following the PET mechanism.

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Carbendazim is a widely used fungicide to protect agricultural and horticultural crops against a wide array of fungal species. Published reports have shown that the wide usage of carbendazim resulted in reprotoxicity, carcinogenicity, immunotoxicity, and developmental toxicity in mammalian models. However, studies related to the developmental toxicity of carbendazim in aquatic organisms are not clear.

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A proficient approach has been developed for the synthesis of substituted 2H-chromenes from C1-substituted glucal. The key step of our synthetic methodology was C-H activation in propylene carbonate solvent followed by 6π-electrocyclization aromatization in ethylene glycol as greener substitutes to toxic aprotic solvents, to obtain 2H-chromenes in a stepwise manner. The application of the developed methodology was further explored with the synthesis of a small library of substituted 2H-chromenes in good yields.

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Article Synopsis
  • Pseudomonas aeruginosa is a harmful bacteria that often infects people with weakened immune systems, and it can form biofilms that resist antibiotic treatment.
  • A study investigates the combined effects of Thymol with antibiotics like Ciprofloxacin, Amikacin, and Colistin to combat P. aeruginosa infections, particularly in biofilms.
  • The results indicate that the combination of Thymol and Ciprofloxacin is highly effective, with significant reductions in biofilm formation, suggesting it could be a promising treatment strategy for these tough infections.
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Comparative study on the mutation spectrum of L-MYC and C-MYC genes of blood cfDNA in patients with ovarian cancer and healthy females.

J Obstet Gynaecol Res

December 2023

Department of Clinical Biochemistry, Govt. College for Women, M. A. Road, Srinagar, Cluster University Srinagar, Kashmir, India.

Background: This study aimed at detecting the mutations of L-MYC and C-MYC genes in ovarian cancer (OC) patients and healthy female volunteers using cell-free DNA (cfDNA).

Methods: We evaluated cfDNA of 50 OC patients with different stages (I-IV) and 50 age-matched healthy female volunteers (controls) in order to access mutations in exon-1 of L-MYC (198 bp) and exon-3 of C-MYC (165 bp) genes using Sanger sequencing.

Results: The total mutations reported were 43 and 7 in exon-1 of L-MYC and exon-3 of C-MYC genes, respective.

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COVID and depression among stratified population groups: a narrative review.

Eur J Med Res

August 2023

Department of Zoology, University of Jammu, Jammu and Kashmir, 180006, India.

The Covid-19 pandemic has impacted and infiltrated every aspect of our lives. Successive lockdowns, social distancing measures, and reduction in economic activity have developed a new way of living and, in many cases, tend to lead to depression. The initial strict lockdown for about 3 months and eventually for a few more months has imposed greater challenges on children and adolescents in terms of psychological problems and psychiatric disorders.

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Herein, we have summarized the vast array of synthetic processes that have been developed for the synthesis of -glycopyranosyl aldehydes and diverse -glycoconjugates derived from them by covering the literature reported from 1979 to 2023. Notwithstanding its challenging chemistry, -glycosides are considered stable pharmacophores and are used as important bioactive molecules. The discussed synthetic methodologies to access -glycopyranosyl aldehydes take advantage of seven key intermediates, allene, thiazole, dithiane, cyanide, alkene, and nitromethane.

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The present research work, green synthesis of silver nanoparticles (Ag NPs) was synthesized from silver ions using the reducing and capping agents of leaf extract. Initially, UV-vis spectrophotometry absorption of the Surface Plasmon Resonance centre at 450 nm was confirmed the formation of Ag NPs. Preliminary phytochemical and FT-IR analysis indicate the identification of secondary metabolised flavonoids that act as the reducing and capping agent of the synthesized Ag NPs.

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Rapid increase in population and development in industry causes many problems such as microbial contaminations and chronic diseases such as diabetes. Materials synthesized at nanoscale are novel antidiabetic and antimicrobial agents. ZnO nanoparticles with macropores characteristics are synthesized by green methods.

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Article Synopsis
  • - The crystal structure of cathepsin B (CTSB) was revealed in the early 90s, leading to insights into its diverse catalytic roles in physiological processes and how these roles can switch under different conditions.
  • - Over-expression of CTSB is linked to multiple diseases, including Alzheimer's and cancer, prompting increased research interest and the development of CTSB inhibitors for potential treatments.
  • - This review focuses on the inhibition potential of natural and synthetic heterocyclic compounds against CTSB, providing valuable information for researchers in molecular modeling and drug development.
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Growing evidence has implicated tumor necrosis factor-alpha (TNF-α) as an important regulator of the tumor microenvironment. Moreover, various molecular epidemiological studies have proposed vitamin D deficiency to be a mediator of cancer progression. Here we comparatively analyzed the role of TNF-α and vitamin D in non-small cell lung cancer (NSCLC) in an ethnically conserved vitamin D deficient population.

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Correction for 'Diastereoselective synthesis of glycopyrans 1,2-annulated with dioxazinanes from 1,2-anhydrosugars and -substituted nitrones' by Ajaz Ahmed , , 2022, , 1436-1443, DOI: 10.1039/d1ob02310a.

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CMC-SA-12-E2-12 hydrogels were prepared from Carboxymethylcellulose (CMC), succinic acid (SA) (biocompatible cross-linker) and Ethane-1,2-diyl-bis(N, N-dimethyl-N-dodecylammoniumacetoxy) (referred as 12-E2-12) (0.0006, 0.0015, 0.

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The perchlorate salt of (4-(4-methoxy phenyl)-2-(2-(1-pyridine-2-yl)ethylidene)hydrazinyl)thiazole () and its metal perchlorate derivatives, namely, [Co()]ClO (), [Mn()](ClO) (), and [Ni()](ClO) (), have been synthesized and characterized through single X-ray crystallography and spectroscopic methods. The ligand crystallizes in a space group 2/ in a nearly planar structure. The overall geometry of the complex salts is described as a distorted octahedron with a MN chromophore.

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1,2-Annulated pyranose sugars fused with six membered rings have emerged as an important class of carbohydrates with wide biological and synthetic utility. We now describe zinc chloride catalyzed one pot diastereoselective synthesis of sugar fused dioxazinanes from 1,2-anhydro sugars and -substituted aromatic nitrones. Various aromatic nitrones with different substituents undergo the reaction smoothly.

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Article Synopsis
  • The study focuses on creating stabilized tetragonal zirconia (t-ZrO) nanoparticles using a microwave-assisted sol-gel technique, enhancing stability and reducing crystal size by incorporating gelatin, which is derived from animal bones.
  • Gelatin not only aids in the biocompatibility for potential bone implant applications but also serves as a coating agent that helps form phase-pure t-ZrO without the need for post-heat treatment.
  • X-ray diffraction analysis and other characterization methods reveal that optimal gelatin content (3g) results in favorable nanoparticle size and structure, with minimal porosity and improved hardness, while showing changes in physical properties even after immersion in simulated body fluid for an extended period.
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Tsallis introduced a non-logarithmic generalization of Shannon entropy, namely Tsallis entropy, which is non-extensive. Sati and Gupta proposed cumulative residual information based on this non-extensive entropy measure, namely cumulative residual Tsallis entropy (CRTE), and its dynamic version, namely dynamic cumulative residual Tsallis entropy (DCRTE). In the present paper, we propose non-parametric kernel type estimators for CRTE and DCRTE where the considered observations exhibit an ρ-mixing dependence condition.

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The work presented in this paper deals with the comparative synthesis of diglycidyl ether-based tetrabromobisphenol-A(TBBPA) using both conventional and nonconventional methods in order to explore materials for better industrial applications with respect to effective yield, cost, and time consideration. The conventional method involved the polycondensation of TBBPA and epichlorohydrin in the presence of an alkali catalyst. The nonconventional routes adopted for the synthesis of the material involved ultrasonication, microwave irradiation, and UV light exposure.

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Photocatalytic functionalizations of alkynes.

Chem Commun (Camb)

October 2021

Academy of Scientific and Industrial Research (AcSIR), Ghaziabad 201002, India.

Visible light mediated functionalizations have significantly expanded the scope of alkynes by unraveling new mechanistic pathways and enabling their transformation to diverse structural entities. The photoredox reactions on alkynes rely on their innate capability to generate myriad carbon-centred radicals single electron transfer (SET), thereby, allowing the introduction of new radical precursors. Moreover, an array of methods have been developed facilitating transformations such as vicinal or -difunctionalization, annulation, cycloaddition and oxidative reactions to construct numerous key building blocks of natural and pharmaceutically important molecules.

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Over the past few decades, the dynamic progress in the synthesis and screening of heterocyclic compounds against various targets has made a significant contribution in the field of medicinal chemistry. Among the wide array of heterocyclic compounds, triazole moiety has attracted the attention of researchers owing to its vast therapeutic potential and easy preparation via copper and ruthenium-catalyzed azide-alkyne cycloaddition reactions. Triazole skeletons are found as major structural components in a different class of drugs possessing diverse pharmacological profiles including anti-cancer, anti-bacterial, anti-fungal, anti-viral, anti-oxidant, anti-inflammatory, anti-diabetic, anti-tubercular, and anti-depressant among various others.

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In the present study, naphthyl acetohydrazide (HL) ligand was prepared and used for the synthesis of new six amorphous transition metal (Co(II), Ni(II), Cu(II), Zn(II), Pb(II), Cd(II)) complexes. All the compounds were characterized by elemental analysis, UV-vis, FT-IR, H- and C-NMR, and Matrix-Assisted Laser Desorption Ionization (MALDI). The solubilization study was carried out by estimating the interaction between the metal complexes with surfactants viz.

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Green synthesis of Copper Oxide/Carbon nanocomposites using the leaf extract of Nees, their characterization and antimicrobial activity.

Heliyon

February 2020

Center for Advanced Materials Research, Department of Physics, Govt. College for Women, Thiruvananthapuram, Kerala, India.

Copper Oxide/Carbon (CuO/C) nanocomposites were developed through the green method using the leaf extract of at room temperature. Here, the leaf extract serves as a capping agent, reducing agent and a source of carbon for the formation of nanocomposites. As we know, this is the first article on the synthesis of CuO/C nanocomposites using this leaf extract.

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