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Although relatively few side effects are associated with dextran use, these side effects can be very serious. These include anaphylaxis, [14] volume overload, pulmonary edema, cerebral edema, or platelet dysfunction. An uncommon but significant complication of dextran osmotic effect is acute kidney injury. [15]
These peptides have organized pendant groups, making one side of the polymer hydrophobic and the other side cationic. [23] This group of polymers efficiently induce cell death through cell wall penetration. [1] Polymer mimics of these antimicrobial peptides have been developed. Protein-mimicking polymers emulate the structure of magainin and ...
Alginate biopolymer applications range from packaging, textile and food industry to biomedical and chemical engineering. The first ever application of alginate was in the form of wound dressing, where its gel-like and absorbent properties were discovered.
These adverse effects can be reduced by using lower concentrations of the polymer, so that it gets naturally released throughout the body. Something else to consider regarding PLGA biocompatibility is the location at which the polymer is implanted or placed in the body.
Sodium hyaluronate is the sodium salt of hyaluronic acid.It is a glycosaminoglycan and long-chain polymer of disaccharide units of Na-glucuronate-N-acetylglucosamine. It can bind to specific receptors for which it has a high affinity.
The exact mechanism of action of silicone gel sheeting has not been fully studied. Currently, many proposed mechanisms explain the efficacy of such treatment, including the occlusion and hydration effect, increased body surface temperature, polarized electric charge, immunological effects, etc. [9] The occlusion and hydration effect is the most studied mechanism of action.
Hints and the solution for today's Wordle on Sunday, December 15.
PNIPA have been used in gel actuators, which convert external stimuli into mechanical motion. [29] Upon heating above the LCST , the hydrogel goes from hydrophilic to hydrophobic state. [ 30 ] This conversion results in an expulsion of water which causes a physical conformational change , creating a mechanical hinge movement.