Cross-linking of polyvinyl alcohol by gamma radiation
β Scribed by H. Dieu; V. Desreux
- Publisher
- Elsevier Science
- Year
- 1959
- Weight
- 178 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0020-708X
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## Abstract A study of the calcification of the polyvinyl alcohol/polyvinyl pyrrolidone (PVA/PVP) hydrogels during their exposure to a calcium chloride solution or a simulated body fluid has been carried out. On the basis of the experiments, using a twoβcompartment permeation cell, the diffusion of
Host-dependent optical dephasing of the zero-phonon line of two organic dye molecules doped in several cross-linked polyvinyl alcohol (PVA) derivatives was studied by using an incoherent photon echo technique. It was found that the optical dephasing time of the zero-phonon line increases with increa