LIU Zhen-yao, PAN Tao. Equivalent waveband selection of VIS-NIR spectroscopic measurement for hemoglobin[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2170-2175
LIU Zhen-yao, PAN Tao. Equivalent waveband selection of VIS-NIR spectroscopic measurement for hemoglobin[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2170-2175 DOI: 10.3788/OPE.20122010.2170.
Equivalent waveband selection of VIS-NIR spectroscopic measurement for hemoglobin
检验效果预测均方根偏差(V-SEP)、预测相关系数(V-RP)和相对预测均方根偏差(V-RSEP)分别为2.58 g L
-1
、0.988和1.97%
得到的样品的HGB预测值与临床实测值吻合精度很高
可望应用于临床。
Abstract
The VIS-NIR spectroscopy combined with the improved Moving Window Partial Least-square (MWPLS) method was applied to a high accurate waveband selection for the rapid no-reagent determination of Hemoglobin (HGB) in human whole blood. A new modeling evaluation system was proposed to avoid the evaluation distortion. First
seventy samples were randomly selected from a total of 205 samples as the validation set
the remaining 135 samples were used as the modeling set
and the modeling set was divided into similar calibration (80 samples) and prediction (55 samples) sets for a total of 50 times.Then
modeling and optimization were performed in each division to get stable model. Finally
the optimized model was validated again using the validation set. Experimental results indicate that the VIS-short NIR region 400-1 100 nm can be used as the information waveband of HGB in human whole blood
the global optimal waveband 492-890 nm is further selected from 400-1100 nm with MWPLS method
and a model space including 77 equivalent wavebands is obtained. By taking the 492-890 nm for an example
validation effects V-SEP
V-RP
and V-RSEP are 2.58 g L
-1
0.988
and 1.97%
respectively. It concludes that HGB prediction values of the samples are highly close to the clinic measured values
which may be used in clinical diagnosis.
关键词
Keywords
references
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