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1.Hydrophilic Gels (hydrogels)

▪ Good spreadability, non occlusion, high drug release.

▪ Their bases usually consist of water; glycerol or propylene glycol gelled with suitable
gelling agents

▪ Applications:

➢ Scaffolds in tissue engineering
➢ Sustained release drug delivery system
➢ Contact lenses
➢ ECG medical electrodes
What is hydrogel?

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