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A One-Step Plasma Assisted Synthesis of Gold Nanoparticles and Simultaneous Linker-Free Conjugation with Nestin: An In Vitro Study of Cellular Toxicity.
Nano Lett
January 2025
Department of Physics, Shahid Beheshti University, Tehran 1635649771, Iran.
We present a method for conjugating antigens to gold nanoparticles (GNPs) during their synthesis via gas plasma, eliminating the need for chemical linkers and significantly speeding up the process (taking only 15 min). This fast, linker-free method produces biocompatible and stable GNPs, with potential for immunotherapy applications, such as antigen and antibody conjugation and drug delivery. We demonstrate the conjugation of the antigen Nestin (NES), a tumor marker, to GNPs using two approaches.
View Article and Find Full Text PDFFungal endophytes modulate the negative effects induced by Persistent Organic Pollutants in the antarctic plant Colobanthus quitensis.
Physiol Plant
January 2025
Centro de Ecología Integrativa (CEI), Universidad de Talca, Talca, Chile.
Antarctica has one of the most sensitive ecosystems to the negative effects of Persistent Organic Pollutants (POPs) on its biodiversity. This is because of the lower temperatures and the persistence of POPs that promote their accumulation or even biomagnification. However, the impact of POPs on vascular plants is unknown.
View Article and Find Full Text PDFSingle-Walled Carbon Nanotube Probes for Protease Characterization Directly in Cell-Free Expression Reactions.
bioRxiv
January 2025
Chemical and Biological Engineering - Iowa State University, 618 Bissell Rd, Ames, IA 50011.
Proteins can be rapidly prototyped with cell-free expression (CFE) but in most cases there is a lack of probes or assays to measure their function directly in the cell lysate, thereby limiting the throughput of these screens. Increased throughput is needed to build standardized, sequence to function data sets to feed machine learning guided protein optimization. Herein, we describe the use of fluorescent single-walled carbon nanotubes (SWCNT) as effective probes for measuring protease activity directly in cell-free lysate.
View Article and Find Full Text PDFRA-0002034 ( ) is a potent covalent inhibitor targeting the alphavirus nsP2 cysteine protease. The species-dependent pharmacokinetics and metabolism of were investigated to evaluate its therapeutic potential. Pharmacokinetic profiling revealed rapid clearance in mice, predominantly mediated by glutathione -transferase (GST)-catalyzed conjugation.
View Article and Find Full Text PDFHigher monomeric C-reactive protein levels are associated with premature coronary artery disease.
Front Immunol
January 2025
Laboratory of Cell Hemostasis, Chazov National Medical Research Center of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russia.
Introduction: Chronic inflammation is a major risk factor for coronary artery disease (CAD). Currently, the inflammatory cardiovascular risk is assessed via C-reactive protein (CRP) levels measured using a high-sensitivity assay (hsCRP). Monomeric CRP (mCRP) is a locally produced form of CRP that has emerged as a potential biomarker of inflammation.
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