The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Effect of eluent on the ionization efficiency of flavonoids by ion spray, atmospheric pressure chemical ionization, and atmospheric pressure photoionization mass spectrometry
Abstract
The effect of nine different eluent compositions on the ionization efficiency of five flavonoids was studied using ion spray (IS), atmospheric pressure chemical ionization (APCI), and the novel atmospheric pressure photoionization (APPI), in positive and negative ion modes. The eluent composition had a great effect on the ionization efficiency, and the optimal ionization conditions were achieved in positive ion IS and APCI using 0.4% formic acid (pH 2.3) as a buffer, and in negative ion IS and APCI using ammonium acetate buffer adjusted to pH 4.0. For APPI work, the eluent of choice appeared to be a mixture of organic solvent and 5 m M aqueous ammonium acetate. The limits of detection (LODs) were determined in scan mode for the analytes by liquid chromatography/mass spectrometry using IS, APCI and APPI interfaces. The results show that negative ion IS with an eluent system consisting of acidic ammonium acetate buffer provides the best conditions for detection of flavonoids in mass spectrometry mode, their LODs being between 0.8 and 13 µ M for an injection volume of 20 µl. Copyright © 2001 John Wiley & Sons, Ltd.
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Citations
Cites
Advances in flavonoid research since 1992
Harborne, J. B., & Williams, C. A. (2000) · Phytochemistry · doi:10.1016/s0031-9422(00)00235-1 · Cited by 3,956
Cited by
Atmospheric pressure photoionization mass spectrometry
Raffaelli, A., & Saba, A. (2003) · Mass Spectrometry Reviews · doi:10.1002/mas.10060 · Cited by 429
Metadata
- Authors
- Rauha, J., Vuorela, H., & Kostiainen, R.
- Venue
- Journal of Mass Spectrometry
- Publisher
- Wiley
- Published
- 2001-10-11
- Volume
- 36
- Issue
- 12
- Pages
- 1269-1280
- ISSN
- 1076-5174 (ISSN-L)
- 1096-9888
- OpenAlex
- W2108216977
- Cited by
- 173
- References
- 1
- FWCI
- 7.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Rauha, J., Vuorela, H., & Kostiainen, R. (2001). Effect of eluent on the ionization efficiency of flavonoids by ion spray, atmospheric pressure chemical ionization, and atmospheric pressure photoionization mass spectrometry. Journal of Mass Spectrometry. https://doi.org/10.1002/jms.231
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