An oligosaccharide containing about 20 monosaccharide units is provided. This oligosaccharide designated (M.sub.9 G).sub.2 is a copolymer .beta.-D-(1.fwdarw.4) connected mannuronopyranose units and an .alpha.-L-(1.fwdarw.4) connected guluronic acid unit at a ratio of 9:1. In addition, 40-60% of the carboxylic functional groups are esterified with propanol, 2-propanol or methanol, and substantially all of the C.sub.2 carbons and about 50% of the C.sub.3 positions of the residues are sulfated, such that the resulting compound contains about 7-13% organic sulfur. The compounds are used for the prevention and therapy of thrombosis-induced ischemic vascular diseases of the heart and the central nervous system, for treating acute thrombosis-induced brain infarction and in coronary ischemia-induced angina, and for treating hyperlipoproteinemia and lowering the relative amount of cholesterol.

Ocean University of Oingdao

Low molecular weight sulfated polysaccharides and uses thereof

A biocompatible, electrically conductive biomaterial capable of earn carrying the electrical potential of a cardiac impulse and comprising (1) a conductive polymer such as polyaniline, polypyrrole or polythiophene, and (ii) a biocompatible component such as a polysaccharide, a protein, or a polypeptide, in particular chitosan or gelatin, is described. The material can take the form of a hydrogel, membrane, sheet or mesh. It can be used to restore or improve electrical impulse propagation across damaged tissue or scar region of the myocardium, in particular in the ti treatment of myocardial infarction and arrhythmia.

polysaccharide/infarkt

Low molecular weight sulfated polysaccharides and uses thereof

Conductive biomaterial for enhancement of conduction in vitro and in vivo

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