1. 2001. Comparative study: LC-MS/MS analysis of four steroid compounds using a new photoionization source and a conventional APCI source. Proceedings of the 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, IL, May 27-31, 2001.
2. 2002. Comparative LC-MS/MS analysis of four neurosteroids compounds and their acetyl-pentafluorobenzyl derivatives using a photoionization ion source and a conventional atmospheric pressure chemical ionization source. Proceedings of the 50th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando, FL, June 2-6, 2002.
3. Ion mobility detector for gas chromatography with a direct photoionization source
4. 2001. Analysis of polyaromatic hydrocarbons by atmospheric pressure photoionization LC/MS. Proceedings of the 49th ASMS Conference on Mass Spectrometry and Allied Topics, Chicago, IL, May 27-31, 2001.
5. Photoionization detector for open-tubular liquid chromatography