Cationic polymers
Efficient binding, protection, and self release of dsRNA in soil by linear and star cationic polymers
... These polymers are therefore potentially good candidates for soil stability studies, so polyplexes formed from both the linear and star cationic polymers (N + /P − ratios of 5) were subsequently ...
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Coagulation Mechanisms during the Substitution of Inorganic Salts with Cationic Polymers to Increase the Sludge Value
... with cationic coagulants was ...The cationic polymers’ ability to compete with positively charged Al- and Fe-hydrolysis products was argued as the explanation for higher substitution possibilities ...
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Evaluation of the antimicrobial activity of cationic polymers against mycobacteria : toward antitubercular macromolecules
... Considerable e ff ect has been placed on the development of cationic polymers for Gram-negative bacteria due to their widespread role in human disease. Gram-positive bacteria and the Mycobacterium genus, ...
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Evaluation of cationic polymers to control pitch deposition
... or cationic charge density alone does not predict polymer wood pitch ...The cationic polymers investigated can be categorised by how they affect the colloidal stability of the wood resin and their ...
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Tailoring Macromolecular Structure of Cationic Polymers towards Efficient Contact Active Antimicrobial Surfaces
... the cationic polymers were highly ...the cationic polymers strongly affects the biocidal activity of the blend films, in addition to the influence of chemical composition and positive charge ...
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Mechanism of Enhancement of Virus Plaques by Cationic Polymers
... Echovirus type 6 was enhanced markedly by protamine or DEAE-dextran in protein-free overlays or in overlays containing skim milk and protamine, whereas DEAE-dextran did not enhance the p[r] ...
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The development of poly-L-arginine-coated liposomes for gene delivery
... of cationic vectors for gene delivery is low cytotoxicity. However, cationic polymers have been known to be cytotoxic ...ent cationic charge, leading to polymer aggregation on cell surfaces, ...
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Contrasting Effects of Polycations on Plaquing Efficiency of Encephalomyocarditis Virus Variants
... Synthetic cationic polymers and naturally suggested that DEAE dextran complexes with occurring basic polypeptides of a variety of types poliovirus ribonculeic acid and the cell surface e[r] ...
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Comparison of the cellular transport mechanism of cationic, star-shaped polymers and liposomes in HaCat cells
... The ATPase proton pump inhibitor bafilomycin A1 and the lysosomotropic base chloroquine were thus applied in our study, both of which would disturb endosomal acidification and increase the endosomal pH. We measured the ...
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Application of cationic polymer prepared from sulfuric acid lignin as a retention aid for usual rosin sizes to neutral papermaking
... Abstract Cationic polymers that acted as the retention aids for usual rosin sizes in neutral papermaking were prepared from sulfuric acid lignin (SAL), one type of acid ...the cationic polymer ...
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Adsorption and Diffusion of Highly Charged Cationic Polyelectrolyte into Silica Gel Particles
... discussed, ionic charges on a dissolved polymer cause it to adopt a more expanded molecular conformation. But in addition, one can expect interactions with charged groups on and within pores of the substrate should ...
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Cationic and hydrolysable branched polymers by RAFT for complexation and controlled release of dsRNA
... from cationic polymers is an important criteria for the design of gene delivery systems, and can be difficult to achieve due to the persistent positive charges required to initially complex the nucleic ...
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Efficient delivery of NF-κB siRNA to human retinal pigment epithelial cells with hyperbranched cationic polysaccharide derivative-based nanoparticles
... hyperbranched cationic polysaccharide derivatives con- taining the same amount of cationic residues, but different branching structures and molecular weights, were investi- gated for the delivery of siRNA ...
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Influence of phospholipid composition on cationic emulsions/DNA complexes: physicochemical properties, cytotoxicity, and transfection on Hep G2 cells
... the cationic lipid, stearylamine (SA, Sigma, St Louis, MO), different phospholipids, glycerol as an isotonic agent (Merck, Brazil), and ...ferent cationic nanoemulsions (PC/SA, DSPC/SA, DOPC/ SA, DSPE/SA, ...
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Antimicrobial polymers : mimicking amino acid functionality, sequence control and three dimensional structure of host defense peptides
... of polymers designed to mimic antimicrobial host-defence ...of polymers that have been able to mimic these peptides through all levels of structure, starting from specific amino acid sidechains, through to ...
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Antibacterial and Anti-Fungal Activity of Copper and Nickel Nanoparticles Stabilized by Cationic Thiol Polyurethane Surfactants
... synthesized cationic Thiol polyurethane surfactants and their nanoparticles were tested against different strain of bacteria using inhibition zone diameters and showed good antimicrobial activities against the ...
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Synthesis and Biological Evaluation of New Pyrrolotacrines for the Treatment of Alzheimer’s Disease
... The bacterial cell membrane is composed of a thick wall containing many layers of peptidoglycan and teichoic acids, which are glycerol-ribitol (polyhydric alcohol) through a phosphorus bond surrounded by lipids of ...
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Investigations on humic acid removal from water using surfactant-modified zeolite as adsorbent in a fixed-bed reactor
... While aqueous cationic surfactant concentration is larger than the CMC and sufficient amount of surfactant exists in the solution, the loaded cationic surfactants on the external surface[r] ...
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Redox cationic polymerisation
... Figure 3.0: Typical conversion % versus time hour for the redox cationic polymerisation of monomers 72, 25.4mmols and 76, 14.07mmol monitoring oxirane decay at 790 cm’' and using [AgCOD2[r] ...
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Preparation, characterization, and efficient transfection of cationic liposomes and nanomagnetic cationic liposomes
... Materials and methods: CLs and magnetic cationic liposomes (MCLs) were prepared using the freeze-dried empty liposome method. Luciferase-harboring vectors (pGL3) were transferred into liposomes and the ...
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