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首页> 外文期刊>Journal of mass spectrometry: JMS >Analysis of sexual assault evidence by desorption electrospray ionization mass spectrometry
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Analysis of sexual assault evidence by desorption electrospray ionization mass spectrometry

机译：解吸电喷雾电离质谱法分析性侵犯证据

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摘要

Desorption electrospray ionization mass spectrometry (DESI-MS) is employed in the forensic analysis of chemical components present in condoms and imaging of latent fingerprints as circumstantial evidence of sexual assault. Polymers such as nonoxynol-9, polyethylene glycol, and polydimethylsiloxane, as well as small molecules additives such as Nmethylmorpholine, N-octylamine, N,N-dibutyl formamide, and isonox 132, commonly used in lubricated condom formulations, were successfully characterized by DESI. The results suggest that DESI-MS is useful for identification of this type of evidence, and it has advantages over conventional extractive techniques, in terms of speed of analysis and ease of use.
机译：解吸电喷雾电离质谱法（DESI-MS）用于对避孕套中存在的化学成分进行法医分析以及对潜在指纹进行成像，以此作为性侵犯的间接证据。通过DESI成功地表征了通常用于润滑避孕套配方的聚合物，如壬氧酚9，聚乙二醇和聚二甲基硅氧烷，以及小分子添加剂，如N甲基吗啉，N-辛胺，N，N-二丁基甲酰胺和isoonox 132。 。结果表明，DESI-MS可用于鉴定此类证据，并且在分析速度和易用性方面均优于常规提取技术。

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