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Abstract:
以L-胱氨酸(L-CYS)作为交联剂,利用滴液成球法制备交联球形壳聚糖凝胶,用傅里叶红外光谱、13 CNMR、扫描电镜对产物进行了表征,结果表明L-CYS与壳聚糖发生了酰胺化及酯化反应,并且制得的凝胶内部存在着疏松的网络状大孔。交联剂L-CYS中的二硫键有助于二价铜离子的吸附。以L-CYS交联得到的球形壳聚糖凝胶对Cu2+的吸附量达到了72.96mg·g-1,接近于未交联的球形壳聚糖凝胶的吸附量,而耐溶胀性优于未交联的壳聚糖凝胶。
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Source :
化工学报
ISSN: 0438-1157
CN: 11-1946/TQ
Year: 2013
Issue: 09
Volume: 64
Page: 3437-3445
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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