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A new approach to haemoglobinometry based on reflectance photometry using a pretreated cell strip is described. A disposable cell strip is designed to absorb a standardized volume of blood from a finger prick without any volumetric measuring apparatus. Pretreatment of the cell oxidizes haemoglobin to methemoglobin, thereby eliminating the errors of Tallqvist's method. The behavior of blood cells on...
Computer simulations based on the photon diffusion theory are carried out to analyze the feasibility of measuring the percent carboxyhemoglobin (%HbCO) using the pulse-oximetry technique. A series of in vitro experiments using a mechanical pulser to simulate the pumping effect of the heart is performed. Both the theoretical and the experimental data show that a pulse-oximetry technique using multiple...
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