Oligosaccharides are structurally characterized utilizing enzymatic digestion with an array of highly specific exoglycosidases followed by electrochemical detection and measurement of the molar quantity of cleaved monosaccharides in each enzymatic digest. ...http://www.google.com.au/patents/US5753454?utm_source=gb-gplus-sharePatent US5753454 - Sequencing of oligosaccharides: the reagent array-electrochemical detection method 
