Hydroxyethylmethacrylate gel

Photoresponsive gels based on the photon mode work by cis-trans photoisomerism of photochromic molecules like azobenzene or by photoionization of triphenylmethanelqyco. Ishihara et al. found that poly(2-hydroxyethylmethacrylate) gel shrinks upon ultraviolet irradiation after equilibrium swelling is reached in water [33]. They fiirther found that this gel swells again upon irradiation by visible light. Azobenzene isomerizes... 

Swelling experiments have been used to determine the crosslink density of water swollen poly(vinyl alcohol) and poly(2-hydroxyethylmethacrylate) gels [28]. However, this method Is less valuable for water absorbent polymers than It is for organic systems. First of all, obtaining a meaningful value of aqueous systems is difficult due to weaknesses in the theory for systems with extensive hydrogen bonding. If Xi is used... 

However, on a lightly cross-linked hydroxyethylmethacrylate/styrene polymer that swells in polar solvents (22, 365), or on a silica-gel support (366), catalyst performance matches that of the soluble one for the precursor amino acid substrates. A rhodium-DIOP analog has also been supported on a polymer containing pendent optically active alcohol sites [incidentally, formed via hydrosilylation and hydrolysis of a ketonic polymer component using an in situ rhodium(I)-DIOP catalyst]. The supported catalyst in alcohol again matched that of the soluble catalyst for... 

As discussed earlier, the proteins used as chiral selectors in affinity chromatography cannot be used under the high-pressure HPLC with a variety of mobile phases therefore, these proteins were immobilized with some solid support such as hydroxyethylmethacrylate, polystyrene-divinylbenzene, polyethylene fibers, and silica gel [14,15]. Avariety of techniques have been used for the immobiliza-... 

STUDY OF THE KINETICS OF RELEASE OF BIOCIDES FROM SWOLLEN GELS OF 2-HYDROXYETHYLMETHACRYLATE/N-VINYL-... 

Gel permeation chromatography Planck constant Hydroxyethylmethacrylate Holographic optical element Intensity... 

It has been demonstrated that highly crosslinked dextran [ref. 5-33], polyacrylamide [ref. 9, 11, 12, 18, 34-39], cellulose [ref. 40], poly(acryloyl morpholine) [ref. 41] and hydroxyethylmethacrylate [ref. 42] gels exhibit selectivity for small inorganic ions. In most cases, the chromatographic behaviour of inorganic ions cannot be explained only by the steric exclusion effect. Recently several approaches have been devoted to the interpretation of the chromatograph-... 

Costantini, A., Luciani, G., Silvestri, B., Tescione, F., Branda, F., 2008. Bioactive poly(2-hydroxyethylmethacrylate)/silica gel hybrid nanocomposites prepared by sol-gel process. Journal of Biomedical Materials Research B 86B, 98—104. 

Water swollen gels produced from several different polymers have been tested with this apparatus, including crosslinked cellulose ethers, poly(N-isopropylacrylamide), and poly(2-hydroxyethylmethacrylate). Typical plots of stress vs. are shown in... 

We felt that our investigations should not be confined to dilute aqueous solutions. Such solutions are rare in biological systems. Many processes take place in or on membranes, or in the gel-like cytoplasm. For that reason an extension to gels, preferably in the form of membranes, is very desirable. These gels should exhibit the necessary amphiphilic behavior in water required for a satisfactory model compound. Gels of poly(hydroxyethylmethacrylate) are expected to be excellent candidates, as is discussed in the following section. 

Soft contact lenses (SCL) are one of the most famous application of synthetic polymer gels. The development of SCL began with the invention of poly(hydroxyethylmethacrylate) by Wichterle in 1960, who improved the material to a soft and transparent substance. The SCLs were first manufactured by Bausch-Lomb Inc., but are now found worldwide. 

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