Hyaluronic acid ( ha ) is a high molecular weight linear polysaccharide composed of repeating disaccharide units of d - glucuronic acid ( glclia ) and n - acetyl - d - glucosamine ( glcnac ) linked by 3 - 1 - 3 and p - 1 - 4 glycoside bonds 透明质酸( hyaluronicacid )是一种由葡萄糖醛酸( glcua )和n -乙酰氨基葡萄糖( clcnac )以- 1 - 3和- 1 - 4糖苷键相连的二糖单位重复构建而成的，具有生物相容性的高分子聚合物。
2.
[ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid . the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ) . these specific sulfate patterns are involved in the interaction of heparin with other molecules [目的]肝素是由n -乙酰葡萄糖胺与d -葡萄糖醛酸以1 4糖苷键连接起来的重复二糖单位组成的线性多糖，葡萄糖胺可带有n -硫酸基团，可在c6上形成0 -硫酸酯，带有硫酸基团的独特结构参与了肝素与其他分子的相互作用。
