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zkyu888
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| The PLA (Natureworks PLA 4032D) used in this study was purchased from Nature Works LLC, USA, and was prepared mainly from L-lactic acid. It exhibits a weight-average molecular weight ( ) of 207 kDa, polydispersity index of 1.74 (GPC analysis). |

2Â¥2010-03-18 21:29:45
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3Â¥2010-03-26 10:06:14
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7Â¥2010-04-06 14:48:46
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