
Keywords: اشعه ماوراء بنفش A; absorbance; A; absorbed photon flux density; qn, pa, V; acetonitrile; ACN; ammonium acetate; NH4Ac; 6âcarboxypterin; Cap; emission wavelength; λem; excitation wavelength; λexc; folic acid; PteGlu; folic acid radical cation; PteGlu+; formic acid; HCOOH