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Analytical Letters Volume 49, 2016 - Issue 2
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Vibrational Spectroscopy

Characterization of the Postmortem Interval by Infrared Microscopy

Ping HuangDepartment of Forensic Pathology, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Donghua ZouDepartment of Forensic Pathology, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Shiying LiDepartment of Forensic Pathology, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Che XuShanghai Key Laboratory of Forensic Science, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Yiwen LuoShanghai Key Laboratory of Forensic Science, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Qiran SunShanghai Key Laboratory of Forensic Science, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Kaifei DengDepartment of Forensic Pathology, Institute of Forensic Science, Ministry of Justice, Shanghai, China
,
Zhijun WangDepartment of Forensic Pathology, Xi’an Jiaotong University, Xi’an, China
,
Zhenyuan WangDepartment of Forensic Pathology, Xi’an Jiaotong University, Xi’an, ChinaCorrespondence[email protected]
&
Yijiu ChenDepartment of Forensic Pathology, Institute of Forensic Science, Ministry of Justice, Shanghai, ChinaCorrespondence[email protected]
 show all
Pages 290-298 | Received 05 Mar 2015, Accepted 02 Jul 2015, Published online: 03 Nov 2015
 
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ABSTRACT

The objective of this study was to develop a novel and effective method for the evaluation of the postmortem interval using infrared microspectroscopy. Postmortem rat liver samples were investigated at 10, 20, and 30°C. Time-dependent changes in the images were observed from variations in the spatial distribution in the liver tissue that were correlated with the postmortem interval. This relationship, which has not been reported previously, offers a novel approach to supplement conventional forensic methods.

Acknowledgments

Ping Huang and Donghua Zou contributed equally to this work.

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