期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 51, 页码 14124-14127出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201408338
关键词
analytical methods; mass spectrometry; microextraction; online reaction
资金
- Nation Institutes of Health [1R01GM106016]
Direct mass spectrometry (MS) analysis of biofluids with simple procedures represents a key step in the translation of MS techniques to clinical and point-of-care applications. The current study reports the development of a single-step method using slug-flow microextraction and nano-electrospray ionization for MS analysis of organic compounds in blood and urine. High sensitivity and quantitation precision have been achieved in the analysis of therapeutic and illicit drugs in 5 mL samples. Real-time chemical derivatization has been incorporated for analyzing anabolic steroids. The monitoring of enzymatic functions has also been demonstrated with cholinesterase in wet blood. The reported study encourages the future development of disposable cartridges, which function with simple operation to replace the traditional complex laboratory procedures for MS analysis of biological samples.
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