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The water-soluble polyphosphazene, [NP(OCH2CH2OCH2CH2OCH3)2]n, cross-links when exposed to gamma rays to form hydrophilic, water-swellable membranes and hydrogels. The degree of cross-linking increases with irradiation dose in a manner that can be utilized to change the properties. gamma irradiation studies of the small molecule model compound,(More)
C30H26N3O6P3, Mr = 617.48, monoclinic, P2(1)/n, a = 13.200(4), b = 16.714(3), c = 13.438(9) A, beta = 96.38(3) degrees, V = 2946.3 A3, Z = 4, Dx = 1.392 Mg m-3, lambda (Mo K alpha) = 0.71073 A, mu = 0.23 mm-1, F(000) = 1280, T = 293(1) K, R = 0.037 for 4089 observed data with I greater than 3 sigma (I). The P3N3 ring has a boat conformation with a P atom(More)
Thrombosis is an important pathophysiologic phenomenon in various cardiovascular diseases, which can lead to oxygen deprivation and infarction of tissues by generation of a thrombus. Thus, direct thrombus imaging can provide beneficial in diagnosis and therapy of thrombosis. Herein, we developed thrombin-activatable fluorescent peptide (TAP) incorporated(More)
The amphiphilic mixed-substituent polyphosphazenes, [NP(OCH2CF3)x (NHCH3)y)]n and [NP(OC6H5)x (NHCH3)y]n, have been prepared by the sequential replacement of chlorine in [NPCI2]n by trifluorethoxide or phenoxide and methylamine. Thin films of these species were cross-linked by exposure to gamma radiation and the semipermeability of the resultant membranes(More)
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