计算溶液所需的质量、体积或浓度。

Recombinant Human Transferrin Protein (rp155948)-SDS-PAGE
2μg/lane of Recombinant Human EGF was resolved with SDS-PAGE under reducing (R) and non-reducing (N) conditions and visualized by Coomassie® Blue staining, showing a single band at 69.4 kDa.