Near-Infrared Spectroscopic Analysis of Hemoglobin with Stability Based on Human Hemolysates Samples

DOI: 10.4236/ajac.2012.31004   PDF   HTML     3,857 Downloads   6,772 Views   Citations


Near-infrared (NIR) spectroscopy combined with the partial least-squares (PLS) regression was successfully applied for the rapid quantitative analysis of hemoglobin (HGB) based on human hemolysates samples. Based on the varied divisions for the calibration and prediction sets, an effective modeling approach using stable model parameters was proposed. Among 255 samples, 80 were randomly selected as the validation set. The remaining 175 samples were divided into the calibration set (110 samples) and the prediction set (65 samples) for a total of 30 times with certain similarities based on partial least squares cross-validation predictive basis (PLSPB). The optimal PLS factor was 8, the modeling effects M-SEPAve, M-RP,Ave, M-SEPStd and M-RP,Std were 3.84g/L, 0.967, 0.16g/L and 0.006, respectively, the validation effects V-SEP, V-RP and V-RSEP were 3.59g/L, 0.980 and 2.7%, respectively. It indicated that the method has high prediction precision and well stability. The results show that NIR spectroscopy of hemolysates is accurate to HGB’s determination, and it is hopeful to be applied to clinic.

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T. Pan, W. Huang, Z. Liu and L. Yao, "Near-Infrared Spectroscopic Analysis of Hemoglobin with Stability Based on Human Hemolysates Samples," American Journal of Analytical Chemistry, Vol. 3 No. 1, 2012, pp. 19-23. doi: 10.4236/ajac.2012.31004.

Conflicts of Interest

The authors declare no conflicts of interest.


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