07.06.2017 Views

Báo cáo khoa học: Hydrogels as Drug Delivery Systems (Hệ dẫn truyền thuốc Hydogels)

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I. VIEW OF GELS AND HYDROGELS – FUNDAMENTAL CONCEPTIONS<br />

1.2. What is hydrogel?<br />

• Is a Gel in which the swelling agent<br />

is water (water is discontinuous<br />

ph<strong>as</strong>e).<br />

• The network component of a<br />

hydrogel is usually a polymer<br />

network.<br />

• A hydrogel in which<br />

the network component is a colloidal<br />

network may be referred to <strong>as</strong><br />

an Aquagel.<br />

http://en.wikipedia.org/wiki/Gel<br />

http://www.gcsescience.com/o70.htm<br />

7

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