Gelatin methacrylate

Kim, P., Yuan, A., Nam, K.H., Jiao, A., Kim, D.H. Fabrication of poly(ethylene glycol) gelatin methacrylate composite nanostructures with tunable stiffness and degradation for vascular tissue engineering. Biofabrication 6, 024112 (2014)... 

Nichol JW, et al. Cell-laden microengineered gelatin methacrylate hydrogels. Biomaterials 2010 31 5536-44. 

Hutson, C.B., Nichol, J.W., Aubin, H., Bae, H., Yamanlar, S., Al-Haque, S., Koshy, S.T., Khademhosseini, A., 2011. Synthesis and characterization of timable polyfethylene glycol) gelatin methacrylate composite hydrogels. Tissue Eng. Part A 17, 1713—1723. 

Hutson CB, Nichol JW, Aubin H, Baea H, Yamanlara S, Al-Haque S, Koshya ST, Khademhosseinia A (2011). Synthesis and characterization of tunable poty(ethylene gtycol) Gelatin methacrylate composite hydrogels. Tissue Eng, 17(13-14), 1713-1723. 

Hydrogels, ie, gelatin and agar, have been known for a long time. In the late nineteenth century, Herschel proposed the use of jelly materials on the cornea for the correction of vision (108). In 1960, the use of synthetic hydrogels for contact lenses was proposed and several U.S. patents were obtained for the invention of cross-linked hydrophilic polymers, eg, systems based on 2-hydroxethyl methacrylate [868-77-9] (HEMA) (5) (109—112). 

Polymeric Calcium Phosphate Cements. Aqueous solutions of polymers such as poly(acryHc acid), poly(vinyl alcohol), gelatin, etc, and/or autopolymerizable monomer systems, eg, 2-hydroxyethyl methacrylate, glycerol dimethacrylate, calcium dimethacrylate, etc, have been used as Hquid vehicles (41,42,76) for the self-setting calcium phosphate cement derived from tetracalcium phosphate and dicalcium phosphate [7757-93-9J. 

Fig. 10. Normalized contact radius as a function of normalized load for gelatin spheres in contact with poly(methyl methacrylate). Shown here arc some of the early data obtained using the JKR method by Johnson and coworkers. (Reproduced with permission from ref. [6. )...

Trauzl Test. 21,.4% of TNT when pure (Ref 26) for mixts see below Uses. It does not gelatinize NC (Ref 15). It improves the octane rating of diesel fuels (Ref 26). It decreases the polymerization rate of methyl methacrylate (Ref 24), and styrene (Ref 23), but. does not inhibit the reaction. A review of its use as an oxidizer in rocket propints is given in Ref 33. TeNMe gives yellow to orange colors with olefins and aromatic compds. This is used as a diagnostic test for the presence of these groups in org analysis (Refs 6, 9, 16, 17 29)... 

A related class of gels are those formed by extensive hydrogen bonding. An example is the polyethylene oxide)-poly(methacrylic acid) complex [18]. Spontaneously gelling natural polymer solutions are frequently of this type, including gelatin and native starch. 

Gelatin-PMMA composite materials can also be prepared via the HIPE pathway [187]. Concentrated emulsions of methyl methacrylate in aqueous gelatin/surfactant solutions, upon polymerisation at 50°C, yielded composite membrane materials. The gelatin lends considerable stability to the emulsions, which will not form in its absence. The membranes swelled in water and certain... 

The crit diam of deton and the max gap distance for sympathetic deton in the test expl were used as criteria of sensitization. Reliable sensitization by NG on NaCl occurred at a level of 8% NG, when the particle size of NaCl was 0.2—0.3mm. At sizes <50 micron ca 20% was required. Sensitization by 1 1 mixts of NG DEGcDN was similar to pure NG. Pure DEGcDN at a level 10% NaCl did not detonate even at a chge diam of 32 mm. The use of gelatinizing agents, such as NC or poly (Me methacrylate) decreased the sensitizing capacity of NG. RDX PETN were effective sensitizers when measured by crit diam, but are less effective than NG with respect to gap test. Combinations of solid and liquid expls were recommended]... 

B. Brogmann, K. Lehmann, Stability of enteric gelatin and starch capsules with aqueous dispersions of methacrylic acid copolymers AAPS Annual Congress, San Diego, 1994. 

Monomer droplets are suspended in the water through the use of agitation and stabilizers, such as methyl cellulose, gelatin, polyvinyl alcohol, and sodium polyacrylate.32 Typical droplet sizes are 0.01-0.5 cm. A monomer soluble initiator is added to begin the polymerization. The kinetics of suspension polymerization are the same as for bulk polymerization, but suspension polymerization offers the advantage of good heat transfer. Polymers such as polystyrene, PVC, and polymethyl methacrylate are prepared by suspension polymerization. 

Chen FM, Zhao YM, Sun HH, Jin T, Wang QT, Zhou W, Wu ZF, Jin Y (2007) Novel gly-cidyl methacrylated dextran (dex-gma)/gelatin hydrogel scaffolds containing microspheres loaded with bone morphogenetic proteins formulation and characteristics. J Control Release 118(1) 65—77... 

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