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2Â¥2009-07-02 13:57:31
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luckydogzhang

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6Â¥2009-07-03 16:07:07
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nilei1201

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ifand163

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luckydogzhang(½ð±Ò+6,VIP+0):ºÃ¾Ã²»¼û°¡ 7-13 08:17
Poly(N-isopropylacrylamide) (variously abbreviated PNIPA, PNIPAAm, PNIPAA or PNIPAm) is a temperature-responsive polymer that was first synthesized in the 1950s.[1]

It forms a three-dimensional hydrogel when crosslinked with N,N¡¯-methylene-bis-acrylamide (MBAm) or N,N¡¯-cystamine-bis-acrylamide (CBAm). When heated in water above 33¡ãC, it undergoes a reversible phase transition from a swollen hydrated state to a shrunken dehydrated state, losing about 90% of its mass. Since PNIPAm expels its liquid contents at a temperature near that of the human body, PNIPAm has been investigated by many researchers for possible applications in controlled drug delivery.[2][3]

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https://en.wikipedia.org/wiki/Poly(N-isopropylacrylamide)

8Â¥2009-07-12 14:49:27
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luckydogzhang

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Originally posted by ifand163 at 2009-7-12 14:49:
Poly(N-isopropylacrylamide) (variously abbreviated PNIPA, PNIPAAm, PNIPAA or PNIPAm) is a temperature-responsive polymer that was first synthesized in the 1950s.[1]

It forms a three-dimensional  ...

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9Â¥2009-07-13 08:16:44
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leeshow

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Originally posted by luckydogzhang at 2009-07-02 09:37:33:
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