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Optical diagnosis of typhoid infection in human blood sera using Raman spectroscopy
Spectroscopy Letters ( IF 1.7 ) Pub Date : 2020-03-10 , DOI: 10.1080/00387010.2020.1734841
Khulla Naseer 1 , Muhammad Saleem 2 , Javaria Qazi 1
Affiliation  

Abstract Raman spectroscopy has the ability to provide highly specific disease diagnostic results based on intrinsic molecular signatures in biological samples. We recorded variation in spectral range (540–1830 cm−1) for 60 Salmonella typhi-infected and 60 healthy sera samples at 785 nm. Analysis reveals characteristic peaks at 630, 1099, 1144, 1343, 1692, 1711, and 1746 cm−1. Moreover, statistical analysis using principal component analysis successfully separated healthy and diseased samples. Our results provide an initial indication of possibility to use these typhoid specific serum markers for the optical diagnosis of typhoid.

中文翻译:

使用拉曼光谱对人血清中的伤寒感染进行光学诊断

摘要 拉曼光谱能够根据生物样品中的内在分子特征提供高度特异性的疾病诊断结果。我们在 785 nm 处记录了 60 个伤寒沙门氏菌感染和 60 个健康血清样本的光谱范围(540–1830 cm-1)的变化。分析揭示了 630、1099、1144、1343、1692、1711 和 1746 cm-1 处的特征峰。此外,使用主成分分析的统计分析成功地分离了健康和患病样本。我们的结果提供了使用这些伤寒特异性血清标志物进行伤寒光学诊断的可能性的初步指示。
更新日期:2020-03-10
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