Absorption spectrum of serum, plasma, hemoglobin, albumin,erythrocytes,lymphocytes,platelet were different, and so were the stations of their peak absorption value.

• 血清、血浆、血红蛋白、白蛋白、红细胞、淋巴细胞、血小板的吸收光谱各有差异，吸收峰值位置亦不一致。