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Pyrrole dicarboxylate substituted porphyrazine, microwave assisted synthesis and properties
2025 / Scientific ReportsIn this study, a new magnesium(II) porphyrazine derivative tetrasubstituted with dicarboxypyrrolyl moieties was synthesized. Two different approaches were used, utilizing conventional heating and microwave irradiation. The developed three-step processes were compared showing the superior performance of the microwave-assisted organic synthesis. The new macrocycle ...
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Central-to-Axial-to-Central Chirality Transfer in the Au(I)-Catalyzed Cycloisomerization of Propargyl Vinyl Ethers to Cyclopentadienes
2025 / The Journal of Organic ChemistryAn easy approach to the enantioselective synthesis of five-, six-, and seven-membered ring-fused cyclopentadienes (85–99% ee) is based on the Au(I)-catalyzed cycloisomerization of enantiomerically pure or enriched propargyl vinyl ethers, which occurs with complete central-to-axial-to-central chirality transfer. DFT calculations show that the formation of a no...
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Quantum Dots and Perovskites-Based Physically Unclonable Functions for Binary and Ternary Keys via Optical-to-Electrical Conversion
2025 / Advanced Functional MaterialsPhysically unclonable functions (PUFs) are hardware-based security keys that are considered one of the most promising next-generation security solutions for intelligent systems. Numerous studies have reported on optical and electrical PUFs; however, these PUFs exhibit certain limitations, such as complicated readout systems and low encoding capacity. Optoelectronic...
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Evidence for two kinds of hydrogen-bonding networks in ionic solutions by 2D infrared correlation spectroscopy
2025 / Scientific ReportsIR spectra from 4000 to 100 cm–1 were measured for four kinds of alkali chloride solutions (LiCl, NaCl, KCl, CsCl solutions) with different concentrations. Their second derivative spectra revealed two bands around 3400 and 3160 cm–1 attributed to the OH stretching mode of weakly hydrogen-bonded (WHB) and strongly hydrogen-bonded (SHB) water species, r...
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A self-assembled protein β-helix as a self-contained biofunctional motif
2025 / Nature CommunicationsNature constructs matter by employing protein folding motifs, many of which have been synthetically reconstituted to exploit function. A less understood motif whose structure-function relationships remain unexploited is formed by parallel β-strands arranged in a helical repetitive pattern, termed a β-helix. Herein we reconstitute a protein β-helix ...
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Deep learning-developed multi-light source discrimination capability of stretchable capacitive photodetector
2025 / npj Flexible ElectronicsWe introduce a novel stretchable photodetector with enhanced multi-light source detection, capable of discriminating light sources using artificial intelligence (AI). These features highlight the application potential of deep learning enhanced photodetectors in applications that require accurate for visual light communication (VLC). Experimental results showcased...
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Effect of deposition rate on micromorphology analyses and optical parameters in amorphous carbon nickel thin films
2025 / Scientific ReportsIn this work, the micromorphology of the Ni @ amorphous carbon films and their relationship to other optical properties using atomic force microscopic (AFM) imaging were examined. The surface topography of these Ni @ amorphous carbon sheets was reported using stereometric analysis and the SPIPTM 6.7.4 software in compliance with ISO 25178-2:2012 and ASME B46.1-20...
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Development of two semiconducting supramolecular metallogels of Cd(II)- and Hg(II)-ions from 5-aminoisophthalic acid gelator for high-performance Schottky diodes and advanced microelectronic applications
2025 / Discover MoleculesTwo novel metallogels, designated as Cd-AIA and Hg-AIA, were synthesized at ambient temperature utilizing 5-aminoisophthalic acid (AIA) as the gelator, along with cadmium(II) acetate and mercury(II) acetate in N,N-dimethylformamide. Rheological tests validated the mechanical robustness of the Cd(II)- and Hg(II)-based metallogels under various conditions. Characteri...
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Long-Term Study of Optical Nanoparticles Doped With Yb3+/Er3+ and Transition Metal Ions and their Real Application for Imaging and Temperature Sensing on Triticum Aestivum L.
2025 / Advanced Optical MaterialsUpconverting nanoparticles (UCNPs) have incredible potential for countless applications, especially in biology and medicine. These NPs can be used to bioimaging animals and plants and analyze their physiology, metabolic pathways, or intercellular interactions in real-time. However, before reaching such an application, the UCNPs physicochemical properties during pro...
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Self-generated temperature gradient under uniform heating in p–i–n junction carbon nanotube thermoelectric generators
2025 / Scientific ReportsSingle-walled carbon nanotubes (SWCNTs) have attracted attention for use in thermoelectric generators (TEGs) that convert thermal energy into electricity. SWCNTs, which are lightweight, flexible, and nontoxic materials, are perfectly suited for TEGs as self-contained power sources for Internet of Things (IoT) sensors. However, the generation of electricity by TEG...
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Geometric Adjustment of T Cell - Sensitive Nanorobots for Enhanced Stability
2025 / Advanced Healthcare MaterialsPersonalizeddendriticcell(DC)basedvaccinesofferpromising immunotherapeuticapproachesforcancersandinfectiousdiseasesby leveraginglivingDCstostimulateapatient’simmunesystemthrough interactionswithTcells.However,conventionalDC-basedvaccinesface significantchallenges, includinglimitedstabilityandshortstoragelifespanof thelivingcells.Toovercometheselimitations,sma...
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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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