Nelson and Somogyi - Download as PDF. Nelson-Somogyi Reducing-Sugar Assay to a. Roboscan Internet Security Key. For determination of reducing sugars by a modified Nelson-Somogyi method. Keywords: Cellulose; cellulase assay; 3,5-dinitrosalicylic acid; Nelson-Somogyi assay; reducing sugars Introduction Enzymatic hydrolysis of cellulose is a complex reaction which depends on the synergistic action of different cellulases [see 1,4-(1,3;1,4)-fl-D-glucan 4-ghicanohydrolase, EC3.2.1.4] acting on a variable substrate.

A sample of one kind of molybdenum blue with the formula Na 15[Mo VI 126Mo V 28O 462H 14(H 2O) 70] ​ 1⁄ 2 [Mo VI 124Mo V 28O 457H 14(H 2O) 68] ​ 1⁄ 2. Molybdenum blue is a term applied to: • reduced heteropolymolybdate complexes, containing Mo(V), Mo(VI), and a hetero atom such as phosphorus or silicon • reduced isopolymolybdate complexes, containing Mo(V), Mo(VI) formed when solutions of Mo(VI) are reduced • a blue pigment containing The 'heteropoly-molybdenum blues', are used extensively in analytical chemistry and as catalysts. The formation of 'isopoly-molybdenum blues' which are intense blue has been used as a sensitive test for reducing reagents. They have recently been shown to contain very large anionic species based on the so-called 'big wheel' containing 154 Mo atoms, with a formula [Mo 154O 462H 14(H 2O) 70] 14−. The molybdenum blue pigment is historically documented but may not be in use today.