Ammonia is a generic precursor for the manufacture of essential fertilizer and most nitrogen-containing organic chemicals. To date, industrial ammonia production is predominantly conducted by the ...

Isosbestic behavior is a term that describes a specific wavelength with stable absorbance, when a reaction proceeds from a reactant (R) to a product (P) and is monitored by optical absorption ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 98, No. 4 (Feb. 13, 2001), pp. 1489-1494 (6 pages) Ribozymes of hepatitis delta virus have been proposed to use an ...