Journal
INFRARED PHYSICS & TECHNOLOGY
Volume 81, Issue -, Pages 210-214Publisher
ELSEVIER
DOI: 10.1016/j.infrared.2016.12.024
Keywords
Non-contact; Blood discrimination; Visible and near -infrared spectroscopy; Diffuse reflectance spectroscopy
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Funding
- National High-Tech R&D Program of China (863 Program) [2015AA021105]
- Tianjin Application Basis & Front Technology Study Programs [14JCZDJC33100]
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Discrimination of human and nonhuman blood is crucial for import-export ports and inspection and quarantine departments. Current methods are usually destructive, complicated and time-consuming. We had previously demonstrated that visible diffuse reflectance spectroscopy combining PLS-DA method can successfully realize human blood discrimination. In that research, the spectra were measured with the fiber probe under the surface of blood samples. However, open sampling may pollute the blood samples. Virulence factors in blood samples can also endanger inspectors. In this paper, we explored the classification effect with the blood samples measured in the original containers vacuum blood vessel. Furthermore, we studied the impact of different conditions of blood samples, such as coagulation and hemolysis, on the prediction ability of the discrimination model. The calibration model built with blood samples in different conditions displayed a satisfactory prediction result. This research demonstrated that visible and near-infrared diffuse reflectance spectroscopy method was potential for noncontact discrimination of human blood. (C) 2017 Elsevier B.V. All rights reserved.
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