I know one kit but I am looking preferentially for some colorimetric analysis or quantification using fluorescence spectroscopy. Help regarding any of the methods would be appreciated.
Thanku so much for the info... i went through the link but unfortunately i have not got answer to my question. m looking for a colorimetric quantification assay... i have seen papers where method developed by Bernofsky and Swan has been used.. m not able to have access to the particular paper.... Bernofsky C, Swan M (1973) An improved cycling assay for nicotinamide