傅里叶变换红外光谱
规范化(社会学)
傅里叶变换
平滑的
分析化学(期刊)
生物医学工程
计算机科学
化学
数学
医学
工程类
化学工程
色谱法
计算机视觉
数学分析
社会学
人类学
作者
Ping Huang,Ya Tuo,Zhenyuan Wang
出处
期刊:Journal of Forensic Medicine
[OMICS Publishing Group]
日期:2010-06-01
卷期号:26 (3): 198-201
摘要
Estimation of the postmortem interval (PMI) is a practical task in daily forensic casework. Researches on PMI is an important practical project in forensic field. Estimation of the time since death is influenced by internal and external, antemortem and postmortem factors, thus the old methods have limitations. Fourier transform infrared (FTIR) spectroscopy has been applied to study the pure protein, nucleic acid and carbohydrate and to detect the changes in complex cells and tissues. At present because the powerful software has could be used to achieve the spectrum transformation, smoothing, baseline correction and normalization, it is possible to analyze the samples quantitatively with the FTIR which has been applied in the biology and clinical medicine. This paper has reviewed the mechanism of FTIR and its application in biomedicine. The postmortem FTIR spectral changes were also discussed, which showed its potential for estimating PMI.
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