Polycation - definition of Polycation by The Free Dictionary

来自 : 发布时间：2025-07-01

pol·y·e·lec·tro·lyte  (p l - -l k tr -l t )n. A polymer, such as a protein or some polysaccharides, having ionic or ionizable constituents.polyelectrolyte (ˌpɒlɪɪˈlɛktrəˌlaɪt) n (Chemistry) chem a substance of polymeric moleculesThesaurusAntonymsRelated WordsSynonymsLegend:Switch tonew thesaurus Noun1.polyelectrolyte - an electrolyte of high molecular weightelectrolyte - a solution that conducts electricity; \"the proper amount and distribution of electrolytes in the body is essential for health\" Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster\'s page for free fun content. Link to this page: First, the cleaned titanium substrate is immersed in polycation (e.g., PEI) to reach a stable positive charge; after removing unconsolidated polycation, the positive substrate is dipped into polyanion solution to obtain a negative charge, followed by the same rinsing procedures.The Surface Modification Methods for Constructing Polymer-Coated StentsTaulelle, \"Al30: A Giant Aluminum Polycation,\" Angewandte Chemie International Edition, vol.Thermal Emission of Alkali Metal Ions from [Al.sub.30]-Pillared Montmorillonite Studied by Mass Spectrometric MethodBorsarelli, \"Improvement of the amperometric response to l-lactate by using a cationic bioinspired thymine polycation in a bioelectrode with immobilized lactate oxidase,\" Sensors and Actuators B: Chemical, vol.Isolation and Characterization of 1,3-Bis(vinylbenzyl)thymine: Copolymerization with Vinylbenzyl Thymine Ammonium ChlorideAmphiphilic copolymers are used as gene carriers where negatively charged cargo molecules (siRNA, mRNA, small protein or DNA) binds to the polycation through ionic interactions and polymers condense complex into sub-150-nm particles.Altogen Biosystems Releases Competitive In Vivo Polymer KitIn fact, changing the order addition of polyanion and polycation solutions affected the formation of stable microparticles.Preparation and characterization of pH-sensitive microparticles based on polyelectrolyte complexes for antibiotic deliveryMolecular hurdles in polyfectin design and mechanistic background to polycation induced cytotoxicity.The mechanism of high transfection efficiency of human serum albumin conjugated polyethylenimine in A549 cellsPolycation TAs are macromolecular substances with positively charged surfaces that may include polylysine20 or protamine sulfate.18 With a strong positive/negative interaction SPIO/TA composites are able to adhere to the surface of cell membranes improve the phagocytosis of iron oxide particles and avoid aggregation of SPIO particles.21 For example Frank and colleagues mixed Ferumoxides (Feridex) with USPIO (MION-46 L) and added cationic TAs successfully raising the concentration of intracellular SPIO particles.MRI tracking stem cells transplantation for coronary heart diseaseA biocompatible arginine-based polycation. Advanced Functional Materials 2011; 21:434-40.Synthesis and characterization of an elastin-like-polypeptide-polyarginine conjugate for three-dimensional cell cultureIstrate, et al., \"Interaction of gentamicin polycation with model and cell membranes,\" Bioelectrochemistry, Vol.Setup for Simultaneous Microwave Heating and Real-Time Spectrofluorometric Measurements in Biological SystemsPEC technique for nanoparticles involves the controlled mixing of diluted polycation and polyanion solutions that gives the size range of 20 to 500 nm with various shapes such as spherical, toroid, and rod-like shapes or have a loose gel-like shape up to compact internal structure.Significance of algal polymer in designing amphotericin B nanoparticlesA related peptide, VIP, also uses these signaling pathways and cross-adapts with lysozyme and PACAP, suggesting that Tetrahymena are signaling through a generalized polycation receptor [15].Nociceptin signaling involves a calcium-based depolarization in Tetrahymena thermophilaTan and coworkers introduced ternary nucleic acid complexes, Liposome Polycation DNA (LPD) where nucleic acids are complexed by protamine before interaction with cationic liposomes to form a core nucleic acid complex surrounded by two lipid bilayers [155].Recent trends in multifunctional liposomal nanocarriers for enhanced tumor targeting