In the presence of TSB and possible poly(NVP) contamination, the concentration of adherent bacteria was reduced to low and uniform levels independent of the hydrogel chemistry.doi:10.1002/jbm.820270115Alonzo D. CookRichard D. SagersWilliam G. Pitt...
PEO-PNVP 聚氧乙烯-聚(N-乙烯基吡咯烷酮) Poly(α-methylene indane)-b-poly(acrylic acid) Poly(α-methylene indane)-b-poly(ethylene oxide) Poly(dimethylsiloxane)-b-poly(acrylic acid) PDMS-PAA 聚二甲基硅氧烷-聚丙烯酸 Poly(dimethylsiloxane)-b-poly(ethylene oxide) PDMS-PEO 聚二甲基硅氧烷-聚氧乙烯...
III. Drug release from glassy poly (HEMA-co-NVP) copolymers. J Controlled Release. 1984;1(2):89–98. doi: 10.1016/0168-3659(84)90001-4. (Open in a new window)Google Scholar Hixson AW, Crowell JH. Dependence of reaction velocity upon surface and agitation. Ind Eng Chem. 1931;23(8...
The mixed matrix membranes were prepared from crosslinked PVA embedded with zeolite 4A that was grafted with PHEMA. The PHEMA was grafted onto the zeolite surface by first, attaching the vinyl-silane onto the zeolite surface and subsequently polymerizing HEMA monomer via the free-radical polymerizatio...
N -Vinylpyrrolidone (NVP) and methacrylates are frequently copolymerized to give hydrogels useful as contact lenses. However, the nature of their copolymer... YC Lai - 《Journal of Applied Polymer Science》 被引量: 224发表: 1997年 Swelling behavior of pH- and temperature-sensitive copolymers cont...
Interestingly, the simulated release study showed that, the decrease of swelling in simulated wound fluid (membranes have low NVP and gum contents) is probably due to the very high ionic strength of the simulated wound fluid, owing to the difference in the concentration of mobile ions between ...
Compression tests revealed that the poly(hydroxyethyl methacrylate- co - N -vinyl pyrrolidone) [poly(HEMA- co -NVP)] played an important role in enhancing the compressive modulus of such hydrogel. More interestingly, the equilibrium swelling ratio (ESR) studies further confirmed that the composite ...
A multi-stimuli-responsive poly(NIPA-co-HEMA-co-NVP) with spironaphthoxazine hydrogel (poly(NIPA-co-HEMA-co-NVP-co-SPO)) was prepared by radical polymerization. The structure of this hydrogel was characterized by FTIR, 13C NMR spectra, and SEM. Equilibrium swelling measurement and UV-vis ...
The macromonomers were copolymerized with N -vinyl-2-pyrrolidone (NVP), 2-hydroxyethyl methacrylate (HEMA) and isoprene (Is). Two types of graft copolymers were obtained: the first one is constituted of hydrophilic backbone (polyNVP or polyHEMA) and hydrophobic uniform polyTBA side chains. The...
drug release from glassy poly (HEMA-co-NVP) copolymers. Journal of Controlled Rel. , 1, 89–98 (1984).Korsmeyer R W,Peppas N A.Solute and penetrant diffu- sion in swellable polymers.3.Drug release from glassy poly (HEMA-co-NVP)copolymers[J].J Controlled Release, 1984,1(2):89...