Katsumi WAKABAYASHI, Ph. D. Prof. Emer. Gunma University Technical Consultant, Shibayagi Co., Ltd. In usual step for calculation of the assay value of ELISA is to draw a standard curve, absorbance on Y-axis against concentration on X-axis, then to estimate assay value from the absorbance of the sample. EXCEL is really an excellent tool, however, […]