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Hydrogels nanosized

Nanogels Nanosized hydrogels consisting of cross-linked hydrophilic polymers Loading various compounds for controlled release or targeting 20... [Pg.1253]

A nanogel is a nanosized hydrogel made of physically or chemically cross-linked polymers that are water-soluble. A nanogel that is composed of responsive polymers may change volume depending on the external environment [23]. [Pg.210]

Vinogradov SV, Bronich TK, Kabanov AV. Nanosized cationic hydrogels for drug delivery Preparation, properties and interactions with cells. Adv Drug Deliver Rev 2002 54 135-147. [Pg.233]

Cationic polymer-based nanogels are nanosized swollen cationic hydrogel particles composed of chemically or physically crosslinked polymer net-works/ The highly hydrated properties and tightly crosslinked core makes these systems superior in colloidal stability. These properties make these nanogels suitable for encapsulation of therapeutic nucleic acids in the core for carrier systems for delivery, in comparison to macroscopic hydrogels or nanoparticles. ... [Pg.446]

Thermoreversible polymer hydrogels also represent a medium for synthesis of nanosized zeolite crystals. This support is recyclable and stable in the temperature range of interest for zeolite synthesis. In aqueous media, the voids between monodisperse polymer spheres can serve as a nanoreactor for controlled growth [157]. Recycling of the support can be done via dissolution of... [Pg.264]

Both, Wan et al. and Hutchens et al. prepared HA by using a biomimetic synthesis approach, with a bacterial cellulose hydrogel as template [64, 65]. Their results indicated that spherical HA particles comprised of nanosized crystallites... [Pg.419]

Similarly, chitosan mixed with different nanofillers such as clay nanoparticles and silica nanoparticles are used for dye removal purpose [171]. In recent carbon nanotube (CNT) appeared as a promising nanofiller for the preparation of chitosan-CNT nanocomposites because of its excellent mechanical, electrical, and thermal properties [171]. Several papers reflect CNT as a superb adsorbent for different material like dioxin removal and dye removal because of its hollow and layered nanosized structures that have a large specific surface area [171, 172]. A number of conventional methods like precipitation, membrane filtration, ion exchange treatment are used to remove metal ions from the water system, but hydrogel based adsorbents have attracted distinctive attention because of they are highly potential for efficient removal of heavy metals [173, 174] (Fig. 12). [Pg.213]

BF3k approach Spontaneous polymerization of macromonomer 6-MOEG-9-BF3k [37] physical hydrogel, which was rapidly broken by ultrasounds and could be dissolved in water (thermoresponsive dispersion), where isolated macromolecules are in equilibrium with nanosized water-soluble aggregates [37]... [Pg.132]

Serizawa, T., Wakita, K., Kaneko, T., Akashi, M. Thermoresponsive properties of porous poly(N-isopropylactylamide) hydrogels prepared in the presence of nanosized silica particles and subsequent add treatment. J. Polym. Sd. Part A Polym. Chem. 40(23), 4228-4235... [Pg.101]


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Nanosize

Nanosized

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