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A series of low-molecular-weight polymannuronate (LPM) and polyguluronate (LPG) polyanionic derivatives, including LPM/LPG phosphate (LPMP/LPGP), LPM/LPG H-phosphonate (LPMHP/LPGHP) and LPM/LPG sulfate (LPMS/LPGS), were prepared as heparinoids by chemical modification of LPM and LPG. The structures and characteristics of LPM, LPG and their derivatives were elucidated based on high performance gel...
A reliable high performance liquid chromatography with pre-column derivatization method was developed for the determination of the mannuronic acid (M)/guluronic acid (G) ratio of propylene glycol alginate sodium sulfate (PSS). The hydrolysis conditions of PSS were investigated by four degradation methods based on the degree of destruction of M and G, and the chromatographic separation conditions were...
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