• Publications
  • Influence
Analytical separation and detection methods for flavonoids.
Flavonoids receive considerable attention in the literature, specifically because of their biological and physiological importance. This review focuses on separation and detection methods forExpand
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Matrix effects in quantitative pesticide analysis using liquid chromatography-mass spectrometry.
Combined liquid chromatography-mass spectrometry using electrospray or atmospheric-pressure chemical ionization has become an important tool in the quantitative analysis of pesticide residues inExpand
  • 334
  • 8
Determination of patterns of biologically relevant aldehydes in exhaled breath condensate of healthy subjects by liquid chromatography/atmospheric chemical ionization tandem mass spectrometry.
A method for the simultaneous determination of several classes of aldehydes in exhaled breath condensate (EBC) was developed using liquid chromatography/atmospheric pressure chemical ionizationExpand
  • 167
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State-of-the-art in liquid chromatography-mass spectrometry.
  • W. Niessen
  • Chemistry, Medicine
  • Journal of chromatography. A
  • 24 September 1999
Impressive progress has been made in the technology and application of combined liquid chromatography-mass spectrometry (LC-MS) in the past decennium. From a technique, that could only be used by aExpand
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Analysis of antibiotics by liquid chromatography-mass spectrometry.
  • W. Niessen
  • Chemistry, Medicine
  • Journal of chromatography. A
  • 3 July 1998
The current status of the application of LC-MS in the analysis of antibiotic and antibacterial compounds is reviewed. The main application area of LC-MS in this field is the confirmation of identityExpand
  • 170
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Application of a liquid chromatography tandem mass spectrometry method to the analysis of water-soluble vitamins in Italian pasta
Abstract A sensitive and selective liquid chromatography tandem mass spectrometry (LC–MS/MS) method for the determination of several water-soluble vitamins, namely vitamins B 1 , B 2 , B 6Expand
  • 72
  • 5
Advances in instrumentation in liquid chromatography-mass spectrometry and related liquid-introduction techniques.
  • W. Niessen
  • Chemistry, Medicine
  • Journal of chromatography. A
  • 23 January 1998
In the past few years, the instrumental developments in the field of combined liquid chromatography-mass spectrometry (LC-MS) and related liquid-introduction techniques has been extremely fast. SoonExpand
  • 199
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Liquid chromatography/electrospray tandem mass spectrometry characterization of styrene metabolism in man and in rat.
Liquid chromatography with electrospray tandem mass spectrometry was used to characterize the metabolism of styrene in man and in rat. To improve identification and characterization of minor styreneExpand
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