结果多糖衍生物、多糖-蛋白质结合物均具有GAMP抗原特异性；
Results Both GAMP derivatives and GAMP-protein conjugates showed GAMP antigen specificity.
纤维素硫酸酯(CS)是一种硫酸酯化多糖衍生物，具有抗凝血等多种生物活性。
Cellulose sulfate (CS) is a sulfated polysaccharide derivative, which shows a variety of biological activities such as anticoagulation etc.
多糖是由单糖单位构建成和他们的衍生物，有十到几十个单位。
Polysaccharides are constructed from monosaccharide unit and their derivatives, and have ten to several thousand units.
方法水提醇沉法分离出粗多糖，采用蒽酮一硫酸法制得有色糖醛衍生物，用分光光度法进行含量测定。
Methods The polysaccharide were extracted with hot water and precipitated with alcohol, The contents of polysaccharide were determined by sulfuric acid-anthrone method by UV spectrophotometry.
方法水提醇沉法分离出粗多糖，采用蒽酮一硫酸法制得有色糖醛衍生物，用分光光度法进行含量测定。
Methods The polysaccharide were extracted with hot water and precipitated with alcohol, The contents of polysaccharide were determined by sulfuric acid-anthrone method by UV spectrophotometry.
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