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Here is a new approach within a recent PhD thesis. It seems promising!

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http://ir.uiowa.edu/cgi/viewcont ... 503&context=etd

¡°In this work, aldehyde-functionalized chitosan was produced by the reaction of chitosan in the solid state with nitrogen oxide gases, generated in situ from a HNO3/H3PO4 - NaNO2 mixture. This reaction is more advantageous than the existing methods to produce aldehyde-functionalized chitosan, since the depolymerization was slower and the purification process of the products was easy and straightforward.¡±
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3Â¥2012-09-17 04:39:59
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zhoubin4111

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3Â¥: Originally posted by aircraftvip at 2012-09-17 04:39:59
Here is a new approach within a recent PhD thesis. It seems promising!

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http://ir.uiowa.edu/cgi/viewcontent.cgi?article=2503&context=etd

¡°In this work, aldehyde-functionalized c ...

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4Â¥2012-09-17 08:07:57
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aircraftvip

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4Â¥: Originally posted by ºìÖÛÁ÷ÐÇ at 2012-09-17 08:07:57
ÿ´Î¿´Äã»ØÌû¶¼ÊÇѧӢÓµ«ÊÇÈçºÎ±£Ö¤¹ÌÌå·´Ó¦µÄ¾ùÒ»ÐÔÄØ£¿...

A good question. May you read the details in the thesis or contact the author

sorry, i can not type in Zhongwen in my lab.
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5Â¥2012-09-17 15:28:58
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