摘要:
There is provided a method for assaying homocysteine in a sample, e.g. blood, plasma or urine, which comprises the steps of contacting said sample with a homocysteine converting enzyme and at least one substrate for said enzyme other than homocysteine, and without chromatographic separation assessing a non-labelled analyte selected from a homocysteine co-substrate and the homocysteine conversion products of the enzymic conversion of homocysteine by said enzyme.
摘要:
Process for the preparation of a mercaptal of an oligosaccharide which process comprises the step of reacting the oligosaccharide with a thiol in the presence of an aqueous halocarboxylic or halosulphonic acid.
摘要:
Die Erfindung betrifft Elaiophylinderivate der Formel I, II und III in denen die Substituenten R(1), R(2), R(3) und R(3′) die angegebenen Bedeutungen haben. Die Verbindungen zeigen antibakterielle und antivirale Aktivität.
摘要:
Novel nonionic perfluoroalkylthioglycosides of the formula R f -E-S-saccharide are described, wherein R f is a straight or branched chain perfluoroalkyl of 1 to 18 carbon atoms or said perfluoroalkyl substituted by perfluoroalkoxy of 2 to 6 carbon atoms, E is a connecting group, and the saccharide is a mono-, di-, or higher oligosaccharide comprising 1 to 30 units of 5, 6, or 7 carbon-membered sugars. They can be used as surfactants.