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近红外光谱仪(ｎｅａｒｉｎｆｒａｒｅｄｓｐｅｃｔｒｏｓｃｏｐｙ,ＮＩＲＳ)是利用波长为700～1100ｎｍ的可吸收光线,观察组织中氧合血红蛋白(ＨｂＯ2)、还原血红蛋白(Ｈｂ)、总血红蛋白(ｔＨｂ)、细胞色素氧化酶(Ｃｙｔａａ3)的变化,是监测生物体内氧合代谢和血流动力学改变
Near Infrared Spectroscopy (NIRS) is the use of absorbable light with a wavelength of 700-1100 nm to observe the changes of HbO2, Hb, tHb and Cytaa3 in tissues, The change is to monitor oxygenated metabolism and hemodynamic changes in the organism