ion-exchange cellulose

美 [ˈaɪən ɪksˈtʃeɪndʒ ˈseljuloʊs]英 [ˈaɪən ɪksˈtʃeɪndʒ ˈseljuləʊs]

1

Aimed at the hotspot of absorbents preparation from cellulose and its derivatives , the present research situation of heavy metal-ion absorbents based on cellulose ( including ion-exchange cellulose absorbents and chelating cellulose absorbents ) were introduced .

针对近年来利用纤维素及其衍生物制备高吸附材料的热点，概述了纤维素基重金属离子吸附材料（离子交换型纤维素吸附材料和离子螯合型纤维素吸附材料）的研究现状。
2

Methods : Purified gPC ⅲ was acquired from the material of goat fetal skin through salting out ( 11.2 % ammonium sulfate and 10 % sodium chloride ), ultracentrifuge and ion-exchange cellulose chromatography ( DE32 and DE52 ) .

方法：以山羊胎皮为原料，通过112%硫酸铵及10%氯化钠盐析和超速离心，DE32和DE52阴离子交换纤维素柱层析提取纯化得到羊Ⅲ型前胶原。