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Diverse redox-mediated transformations to realize the para-quinoid, σ-bond, and ortho-diphenoquinoid forms
2025 / Nature Communicationsπ-Electron systems with multiple redox-active units have attracted attention in various fields due to their potential applications. However, the design strategy remains elusive to selectively synthesize the diverse molecular structures of redox-convertible species. In this study, covalently linked quinodimethane derivatives with a sulfur bridge [(Ar4QD)2S] wer...
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Rational search for natural antimicrobial compounds: relevance of sesquiterpene lactones
2025 / Natural Products and BioprospectingAntimicrobial resistance is one of the most pressing global health challenges, as many pathogens are rapidly evolving to evade existing treatments. Despite this urgent need for new solutions, natural plant-derived compounds remain relatively underexplored in the development of antimicrobial drugs. This report highlights an innovative approach to discovering potent ...
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Xerogel Films with Ordered Silica Nanorods Enable Fine-Tuned Polarized Structural Colors in Modular Nanocomposite Films
2025 / Advanced Materials TechnologiesThe demand for polarized structural color materials with specific optical properties drives the advancement of nanostructure-based color generation composites. Here, a facile stretched and air-dried hydrogel strategy is employed to synthesize xerogel films with uni-directionally aligned silica nanorods (SNs) for constructing polarization-dependent structural colors...
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Development of an innovative cost-effective hemostatic material based on electrospun polyacrylonitrile/exfoliated bentonite/calcium chloride nanocomposite
2025 / Scientific ReportsAnti-hemorrhage nanomaterials are emerging as a promising alternative to traditional materials such as cotton and medical gauze, which often exhibit limited hemostatic properties and excessive adhesion to wound surfaces. This study presents the development of hemostatic nanofiber mats fabricated from polyacrylonitrile (PAN) via electrospinning. The incorporation ...
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Using Highly Functional Cr2O3 Interfacial Layer to Enhance the Electrical Performance of Au/InP Schottky Diodes
2025 / Advanced Electronic MaterialsHerein, the significant impact of the spin-coated Cr2O3 interface layer on the electrical properties and performance characteristics of Au/undoped-InP (Au/InP) Schottky diodes (SD) is reported. The material characterization of spin-coated Cr2O3 films using a wide variety of analytical techniques, namely, atomic force microscopy, field emission scanning electron mic...
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Fabrication and application of naturally sourced nano-pigments based on algal biomass in multifunctional coatings
2025 / Scientific ReportsThis work aims to synthesize economical and eco-friendly naturally sourced nano-pigments with bright colors, antimicrobial activity, and thermal stability from algal cells cultivated in wastewater, which are then harvested, dried, and converted into algal biomass (AB). Algal biomass (AB) was covered by a very thin nano-layer of either zinc ferrite or cerium ferri...
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Spin detector for panchromatic circularly polarized light detection
2025 / Nature CommunicationsCircularly polarized light (CPL) detection is crucial for optical communication, bioimaging and quantum computing. However, CPL detectors based on chiral low-dimensional perovskites face a trade-off between optoelectronic performance and CPL discrimination, and typically exhibit a CPL response within a narrow spectral range. Here, we overcome these limitations by...
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Preparation of antimicrobial polymeric composites using defective silk cocoons and moringa seed oil as additives for polyvinyl chloride
2025 / Scientific ReportsIn this work, novel polymeric blends were prepared from polyvinyl chloride (PVC) and silkworm cocoon waste (SCW), that were defective cocoons excluded during the silk-making process in the ratio 50:50 w/w. These blends were incorporated with moringa seed oil (MSO) as a bio-based plasticizer with different concentrations (1, 2, and 3%) to obtain a final bioplastic...
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Solvent polarity effect on photophysical properties of some aromatic azo dyes with focus on tautomeric and toxicity competition
2025 / Scientific ReportsEdible dyes have become an essential part of modern life, widely appreciated for their safety and effectiveness in food coloring. Given the fundamental role of hydrogen bonding in chemical and biological systems, this study explores the photophysical properties of three commonly used aromatic azo food dyes–Ponceau 4R, Sunset Yellow, and Tartrazine–acr...
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Antibacterial impact of biosynthesized zinc oxide nanoparticles on uropathogenic Escherichia coli and in vivo assessment of physiological and histological alterations
2025 / Scientific ReportsZinc oxide nanoparticles (ZnO NPs) possess various medical potentials that qualify them to be promising antibacterial agents, particularly for uropathogens. The present study investigated in vitro and in vivo antibacterial impact of biosynthesized ZnO NPs against uropathogenic E. coli strain. Values of minimum inhibitory concentration (MIC) and minimum bactericid...
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Silver nanoparticles Fluorescent nanosensors Isoniazid Nitrofurantoin
2025 / Advanced MaterialsThediscoveryandsynthesisofatomicallypreciselow-dimensional inorganic materialshaveledtonumerousunusualstructuralmotifsandnascent physicalproperties.However,accesstolow-dimensionalvanderWaals (vdW)-boundanalogsofbulkcrystalsisoftenlimitedbychemical considerationsarisingfromstructuralfactorslikeatomicradii,bondingor coordination,andelectronegativity.Usingsingle-walle...
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Ultrafast green synthesis of silver nanoparticles as fluorescent nanosensors for determination of isoniazid and nitrofurantoin in biological fluids and pharmaceuticals
2025 / Scientific ReportsThe current study presents a green, straightforward, and ultrafast microwave-assisted method for the synthesis of Ag-NPs in only 40 s, using the Paeonia officinalis root extract as a reducing agent, for the first time. Characterization of the produced Ag-NPs was carried out using different spectroscopic and microscopic methods. They exhibited strong emission peak...
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Enantioselective Se lattices for stable chiroptoelectronic processing media
2025 / Nature CommunicationsChiroptoelectronic devices are crucial for applications in quantum computing, spin optical communications, and magnetic recording. However, the limited efficiency and low stability of conventional circularly polarized light (CPL)-sensing materials have restricted their broader use. Here, we introduce atomic chiral Se nanorod (NRs) films as broadband CPL detectors...
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Comprehensive study of optical, photocatalytic and dielectric properties of Cd0.40Mn0.60ZnO2 annealed nanocomposites
2025 / Scientific ReportsThe structural, optical, photocatalytic and dielectric properties of Cd0.40Mn0.60ZnO2 annealed nanocomposites prepared by Hydrothermal and subsequently annealed at temperatures between 200 °C and 600 °C. The particle size, crystallite size, and inter-plane separation were all enlarged with increased Tann at 600 °C and electrical dielectric l...
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Predictability of environment-dependent formation of G-quadruplex DNAs in human mitochondria
2025 / Communications ChemistryMolecular crowding affects the stability of nucleic acids (DNA and RNA) and induces their non-canonical structures. As the level of molecular crowding varies spatio-temporally in cells, it would be beneficial to predict the behaviour of DNA and RNA structures depending on the local cellular environments. This has applications in human mitochondria, which possess ...
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