The reagent forms a coloured complex with haemoglobin and its variants, which can be detected photometrically. |
Creatinine concentrations in serum were assayed photometrically with standard test combinations. |
The seasonal changes on Mars have been reliably observed, not only visually but also photometrically. |
Chlorophyll concentration was analysed photometrically at 652 nm after Arnon. |
The colour intensity is proportional to the level of specific antibody bound and can be quantified photometrically. |
The p-nitrophenol released is proportional to the ALP activity and can be measured photometrically. |