Sensitivity enhancement in tandem liquid chromatographic mass spectrometric assays by summation of two transition ion pairs – perspectives
✍ Scribed by Nuggehally R. Srinivas
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 154 KB
- Volume
- 32
- Category
- Article
- ISSN
- 1615-9306
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✦ Synopsis
Abstract
The introduction of tandem liquid chromatographic mass spectrometric assays has boosted the sensitivity of the bioanalytical determination for the scores of analytes as compared to other conventional modes of detection [1–6]. Additionally, many intelligent variants such as improved ionization potential, suitable adduct formation, and/or identification of a precursor ion, switching of modality of detection (+ve to –ve and vice versa), and derivatization steps (to aid fragmentation and/or impart ionization property) within tandem mass spectrometric assays have further aided in improving the sensitivity. Some researchers have also expressed thoughts of using matrix effects in a beneficial manner so that there may be ion enhancement for improving the sensitivity of the assay.