I cant find how would i use excel for this? Should i plot both the curves (the standard and the one which is different absorbances of the enzyme) over each other?
I have read in the literature to store the purified enzyme (post-ammonium sulphate precipitation procedure for proteins) at 4 C because the purified enzyme is unstable. So, if instead of the refrigerator, if i store the crude enzyme at 4 C for the next day use, will the possibilities of native proteases inhibiting the enzyme still be there?
I actually, want to save my time by acquiring crude enzyme by producing it on optimised conditions once for all, for the use in characterization and later on for purification by Ammonium sulphate precipitation method.