Hydrogels polymeric

The hydrophilic/hydrophobic SIN composition of PDMS with poly(HEMA) and poly(AAC) were proposed as a potential apphcation for high-permeability soft contact lenses. Other sUicone-containing IPNs for contact lenses include polymerization of MMA in the presence of polymerized methacryloxypropyl trimethoxysilane, the cross-linking of a polymeric hydrogel of a copolymer of NVP during the final compression or injection-moulding process. 

Tatykhanova GS, Bektenova GA, Kudaibergenov SE (2008) Sorption immobilization of catalase within the matrix of pH and thermosensitive polymeric hydrogels. Chemistry Journal of Kazakhstan 21 271-276... 

Aldol crosslinked polymeric hydrogel adhesives, (II), were prepared by Arthur... 

Attempts to develop polymeric hydrogels which would be compatible with blood. 

Polymeric hydrogels have been attractive biomaterials for drug delivery, particularly for controlled release of delicate bioactive agents such as proteins and peptides. However, chemically crosslinked hydrogels can be applied only as implantables,... 

Li J (2004) Polymeric hydrogels. In Teoh SH (ed) Biomaterials engineering and processing series, vol. 1. Engineering materials for biomedical applications. World Scientific, New Jersey... 

A number of general reviews on polyphosphazenes have appeared. Specific reviews on polyphosphazenes deal with radiation graft polymerization, anionic polymerization, hydrogel microspheres,controlled biodegradability,coatings, and membrane separation. 

Shanta K, Ravichandran P, Rao K. Azo polymeric hydrogels for colon targeted drag delivery. Biomaterials 1995 16 1313-1318. 

The implication of such stimuli-responsive particles as a solid polymer support of biomolecules in the biomedical field is probably due to various factors (1) easiest to prepare via precipitation polymerization (hydrogel particles) or a combination of emulsion and precipitation polymerizations (core-shell particles), (2) the colloidal properties are related to the temperature and to the medium composition (i.e., pH, salinity, surfactant etc.), (3) the adsorption and the desorption of antibodies and proteins are principally related to the incubation temperature, (4) the covalent binding of proteins onto such hydrophilic and stimuli-responsive particles can be controlled easily by temperature, and, finally, (5) the hydrophilic character of the microgel particles is an undeniably suitable environment for immobilized biomolecules. 

A copolymer of this monomer with N,N melhylenebis (acrylamide) imbibed 100 times its weight of water. This swelling was not affected by sodium chloride in the water. Most super-slurpers swell less in the presence of dissolved salts. Thus, the new copolymer may be of use in collecting urine in diapers. Another polymeric hydrogel was made by polymerization of sucrose-l -acrylate using sucrose-6,1 -diacrylate (prepared by enzymatic transesterification of sucrose and vinyl acrylate) as the cross-linking agent.155... 

Shantha KL, Harding DRK. Synthesis and evaluation of sucrose-containing polymeric hydrogels for oral drug delivery. J Appl Polym Sci 2002 84 2597-2604. 

Xinming, L., Yingde, C., Lloyd, A. W. et al. 2008. Polymeric hydrogels for novel contact lens-based ophthalmic drug delivery systems. Contact Lens and Anterior Eye M 57-64. 

Polymeric Hydrogels for Piggyback Contact Lens Combining... 

Various methods to prepare polymeric hydrogels for novel CL-based ophthalmic drug delivery systems are critically analyzed in Section 51.4.8. In addition, advantages and limitations of CLs as drug carriers and then a more extensive analysis of the approaches made to modify the polymeric networks at the nanoscale in order to improve drug loading and release performance will be discussed. 

Polymeric Hydrogels for Piggyback Contact Lens Combining with a Drug Plate or Drug Solution... 

Missirlis, D. Kawamura, R. Tirelli, N. Hubbell, J.A. Doxorubicin encapsulation and diffusionalrelease from stable, polymeric, hydrogel nanoparticles. Eur. J. Pharm. Sci. 2006, 29 (2), 120-129. 

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