Uricase is an important enzyme in the metabolism of purines catalyzing the oxidation of uric acid in the presence of oxygen, producing allantion, H2O2 and CO2....

In this study hyper-production of citric acid Aspergillus niger was carried out using agro-industrial residues as carrier substrates in solid state fermentation (SSF) of sucrose molasses medium....

Fertilizer consumption has increased three fold during the past 30 years. It reached one million nutrient tones in 1980/81, two million tons in 1992/93 and three million tons in 2002/03. Urea, today, is made in approximately 75 factories worldwide with a total capacity approaching 100,000,000 tons annually. Urea hydrolyzed by urease....