This was achieved by using flow cytometry to simultaneously measure cellular DNA and protein content, enabling the calculation of percentages of cells in G0, G1, S and G2+M phases of the cell cycle.

• 通过流式细胞仪来同时检测细胞的DNA和蛋白质的含量，这样就能够计算出细胞处于G0期，G1期，S期以及G2期+M期的百分率。