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Multimodal nanoenzyme-linked aptamer assay for Salmonella typhimurium based on catalysis and photothermal effect of PB@Au.
Mikrochim Acta
January 2025
Shandong Provincial Key Laboratory of Animal Resistance Biology, Key Laboratory of Food Nutrition and Safety of Shandong, College of Life Science, Normal University, Shandong Normal University, Jinan, 250014, People's Republic of China.
A composite nanomaterial of Prussian blue@gold nanoparticles (PB@Au) with catalytic and photothermal properties was proposed, which combined with anti-matrix interference aptamers to achieve robust specificity and sensitivity in the detection of Salmonella typhimurium (S. typhimurium). The detection probe, PB@Au-Aptamer (PB@Au-Apt), was designed to exhibit high specificity for the target and catalyze the signal generation to produce a color change, thereby enabling rapid detection.
View Article and Find Full Text PDFDiscovery of New Synthetic Routes of Amino Acids in Prebiotic Chemistry.
JACS Au
December 2024
Faculty of Synthetic Biology, Shenzhen University of Advanced Technology, Shenzhen 518055, China.
The origin of life on Earth remains one of the most perplexing challenges in biochemistry. While numerous bottom-up experiments under prebiotic conditions have provided valuable insights into the spontaneous chemical genesis of life, there remains a significant gap in the theoretical understanding of the complex reaction processes involved. In this study, we propose a novel approach using a roto-translationally invariant potential (RTIP) formulated with pristine Cartesian coordinates to facilitate the simulation of chemical reactions.
View Article and Find Full Text PDFTFA-catalyzed solvent-free dearomative cyanidation of isoquinoline using (Boc)O as an acylation agent.
Org Biomol Chem
December 2024
State Key Laboratory of NBC Protection for Civilian, Beijing, P.R. China.
A TFA-catalyzed dearomative cyanidation of isoquinoline is described, which provides a series of 1-cyanoisoquinolines in high yields under solvent-free conditions. This protocol is operated under mild and environmentally friendly conditions, utilizing readily available and cost-effective starting materials. The reaction features broad functional group compatibility, 100 mmol scale synthesis ability and operational simplicity, making it a significant potential approach for the synthesis of various biologically interesting isoquinolines α C-cyanation.
View Article and Find Full Text PDFZn(II)-Stabilized Azo-Anion Radical-Catalyzed Dehydrogenative Synthesis of Olefins.
J Org Chem
December 2024
Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Botanic Garden, Howrah 711103, India.
Herein, we describe a Zn-catalyzed atom-economical, inexpensive, and sustainable method for preparing a broad spectrum of substituted olefins utilizing alcohols as the main precursor. Using a Zn(II) complex [ZnLCl] () of the redox-noninnocent ligand 2-((4-chlorophenyl)diazenyl)-1,10-phenanthroline (), various ()-olefins were prepared in good yields by coupling alcohols with sulfones and aryl cyanides under an inert atmosphere. Under an aerial atmosphere, vinyl nitriles were isolated in up to 82% yield reacting alcohols with benzyl cyanides in the presence of .
View Article and Find Full Text PDFEnhanced sensing of dinotefuran in foods based on BC/ZnCo MOF@PBA nano-enzyme induced MIECL sensor.
Food Chem
March 2025
College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China. Electronic address:
Natural enzymes can increase the signal of electrochemiluminescence. However, they are expensive and environmentally demanding. Here, the hollow prussian blue analogues decorated and biomass-derived carbon doped ZnCo metal-organic framework nano-enzyme was designed via self-assembly method.
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