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Diffusivity of water through a HEMA-based soft contact lens

✍ Scribed by Francesco Fornasiero; Florian Krull; Clayton J. Radke; John M. Prausnitz


Book ID
108131954
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
127 KB
Volume
228-229
Category
Article
ISSN
0378-3812

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Water diffusion in a soft contact lens p
✍ M. C. Thimmegowda; H. B. Ravi Kumar; C. Ranganathaiah 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB 👁 1 views

## Abstract The kinetics of water sorption, the topology or the free‐volume changes due to the presence of sorbed water in a soft contact lens polymer, poly(2‐hydroxyethyl methacrylate), were investigated by using the positron lifetime technique. It was found that the ortho‐positronium lifetime inc