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β-cyclodextrin polymers as a new sorbent for solid-phase extraction of xenobiotics in Urine.
J Hazard Mater
December 2024
School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China. Electronic address:
This study systematically assessed the performance of a newly developed solid-phase extraction (SPE) material, cellulose-supported aminated β-cyclodextrin polymer (amine-β-CDP@Cellulose), in determining 44 xenobiotics, encompassing endocrine-disrupting chemicals (EDCs), pharmaceuticals, and food additives in urine samples. The primary objective of the research was to synthesize a new sorbent, optimize the extraction protocol, and elucidate the underlying adsorption and desorption mechanisms. Following optimization, it was observed that amine-β-CDP@Cellulose achieved recoveries ranging from 80 % to 120 % for 28 of the 44 targeted xenobiotics, with only three compounds showing recoveries below 50 %.
View Article and Find Full Text PDFCytoskeleton-functionalized synthetic cells with life-like mechanical features and regulated membrane dynamicity.
Nat Chem
January 2025
Department of Bio-Organic Chemistry, Institute of Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands.
The cytoskeleton is a crucial determinant of mammalian cell structure and function, providing mechanical resilience, supporting the cell membrane and orchestrating essential processes such as cell division and motility. Because of its fundamental role in living cells, developing a reconstituted or artificial cytoskeleton is of major interest. Here we present an approach to construct an artificial cytoskeleton that imparts mechanical support and regulates membrane dynamics.
View Article and Find Full Text PDFProduction, Delivery, and Regulatory Aspects for Application of Plant-Based Anti-microbial Peptides: a Comprehensive Review.
Probiotics Antimicrob Proteins
January 2025
Faculty of Biotechnologies (BioTech), ITMO University, 9 Lomonosova Street, 191002, Saint Petersburg, Russia.
Antimicrobial peptides (AMPs) are small, positively charged biomolecules produced by various organisms such as animals, microbes, and plants. These AMPs play a significant role in defense mechanisms and protect from adverse conditions. The emerging problem of drug resistance in microbes poses a global health challenge in treating diseases.
View Article and Find Full Text PDFAccelerated aging modulates the toxicological properties of the diazo tattoo pigment PO13.
Sci Rep
January 2025
Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, SyMMES, Grenoble, F-38000, SyMMES, France.
Pigment particles used in tattooing may exert long terms effect by releasing diffusible degradation products. In the present work, aqueous suspensions of the organic orange diazo pigment PO13 were aged by exposure to simulated sunlight at 40 °C. The morphology and the surface charge of PO13 particles were barely modified upon aging, but primary particles were released by de-agglomeration.
View Article and Find Full Text PDFEnhanced CO₂ Photoreduction to Methane via Schottky Zn₃N₂/KPCN Heterojunctions for Sustainable Energy Applications.
Environ Res
January 2025
School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China. Electronic address:
The pressing necessity to mitigate climate change and decrease greenhouse gas emissions has driven the advancement of heterostructure-based photocatalysts for effective CO₂ reduction. This study introduces a novel heterojunction photocatalyst formed by integrating potassium-doped polymeric carbon nitride (KPCN) with metallic Zn₃N₂, synthesized via a microwave-assisted molten salt method. The resulting Schottky contact effectively suppresses the reverse diffusion of electrons, achieving spatial separation of photogenerated charges and prolonging their lifetime, which significantly enhances photocatalytic activity and efficiency.
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