METHODS:The bilayer minipellet was prepared and shaped by pressurizing gel with the collagen protein as coating material and the sodiumchondroitinsulfate as releasing moderator;
方法：以胶原蛋白为包裹材料，以硫酸软骨素钠为释放调节剂，采用凝胶加压成型的方法制备双层微条；
2
Objective to establish the detection method of bacterial endotoxin for chondroitinsulfate a sodium injection.
目的建立检查硫酸软骨素a钠注射液细菌内毒素的方法。
3
Purpose to Establish detection method of bacterial endotoxin test to chondroitinsulfate a sodium injection.