Poly l arginine
WebProtamine sulfate (PS), mainly composed of poly ( l -arginine), is biodegradable and has been widely used for biomedical and biotechnological applications. In the study of Cheng … WebThe aim of the present study was to investigate the influence of pH, temperature, and glycine on antibacterial activity of poly-l-arginine (PLA) with a molecular weight of 5-15 kDa against Escherichia coli O157:H7 and Staphylococcus aureus. Materials and methods: The percentage of growth inhibition of PLA against both bacteria was analyzed at ...
Poly l arginine
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WebNov 1, 2012 · A novel sensor based on graphene–Nafion and poly(L-arginine) was constructed. Electrochemical properties of Terbutaline sulfate were investigated. The sensor showed a significant voltammetric response to Terbutaline sulfate. This work promoted the applications of graphene in electrochemical sensors. WebJul 15, 2024 · Poly(l-arginine) (P-Arg) has been widely used as electrode modified material that was electropolymerized on electrode surface through the formation of peptide bond …
WebMar 1, 2002 · Cationic poly-amino acids, including poly-l-lysine and poly-l-arginine, mediate protection against challenge with live tumor cells in animal models when coinjected with tumor antigen-derived peptides .However, the mode of action of this vaccine and, in particular, the involvement of T cells, which are thought to be the most important … WebN ω-Tosyl-L-arginine-N a-carboxylic acid anhydride hydrochloride was obtained as a crystal by the reaction of N a-carbobenzyloxy-N ω-tosyl-L-arginine and thionyl chloride.After …
WebFeb 9, 2012 · Among the well-studied polypeptide-type gene carriers, transfection efficiency is empirically known to be higher for poly(L-arginine) (PR) than poly(L-lysine) (PK). The big difference between PR and PK should be determined at one of the intracellular trafficking steps based on the different charge densities, structures or PKa values. WebNov 24, 2024 · The p(L-Arg) particles exhibited fascinating blood compatibility with less than 4% hemolysis induction and more than 95% blood clotting index at 2 mg/mL concentration. The antioxidant activity of p(L-Arg) particles was measured as 0.66 ± 0.06 μM Trolox equivalent g −1 by means of TEAC assay.
WebThis work reports the synthesis of poly-L-ornithine(poc) (polyLOpoc) serving as the precursor for hydrogels of poly-L-ornithine (polyOrn) and poly(L-arginine-r-L-ornithine) (poly(Arg-r-Orn)). Their controllable degree of crosslinking, good mechanical properties, good biocompatibility, and pH-responsibility are detailedly investigated.
WebJan 8, 2024 · Download Citation Poly-L-arginine as a High-Performance and Biodegradable Shale Inhibitor in Water-Based Drilling Fluids for Stabilizing Wellbore The hydration and swelling of shale formations ... china grove baptist church chadbourn ncWebPoly-L-arginine hydrochloride (PLA) is a homopolyamino acid. PLA enhances membrane permeability compared to poly-L-lysine. It has applications as drug carrier, neuroprotective … china ground shipWebMar 25, 2024 · Analysis of CR virulence factor expression showed that high-dose arginine had a remarkably greater inhibitory effect on Tir expression than low-dose arginine (Figure 8D); in addition, dilution coating of stool samples and microbial diversity analysis demonstrated that different concentrations of arginine inhibited CR proliferation at … graham hurley spoils of war seriesWebPoly-L-arginine Ohtake K, Maeno T, Ueda H, Ogihara M, Natsume H, Morimoto Y (2003) Poly-L-arginine enhances paracellular permeability via serine/threonine phosphorylation … china grove baptist church jackson msWebFacile and Quantitative Synthesis of a Poly(ethylene glycol)-b-Poly(l-arginine) Block Copolymer and Its Use for the Preparation of Polyion Complex Micelles with Polyanions … china ground solar panels pricelistWebPoly-L-arginine seems to facilitate doxorubicin uptake and increase its intracellular concentration. 24h combined treatment of cells with doxorubicin (0.5 µM) and poly-L … china grove baptist church moultrie gaWebPolymers of L- or D-arginine containing six or more amino acids entered cells far more effectively than polymers of equal length composed of lysine, ornithine and histidine. Peptides of fewer than six amino acids were ineffective. The length of the arginine side-chain could be varied without significant loss of activity. graham hutchason death