scholarly journals Application of polydopamine‐coated nylon capillary‐channeled polymer fibers as a stationary phase for mass spectrometric phosphopeptide analysis

2019 ◽  
Vol 41 (3-4) ◽  
pp. 215-224 ◽  
Author(s):  
Hung K. Trang ◽  
R. Kenneth Marcus
Keyword(s):  
Stationary Phase ◽  
Mass Spectrometric ◽  
Polymer Fibers ◽  
Phosphopeptide Analysis

scholarly journals Solid-Phase Microextraction for the Enantiomeric Analysis of Flavors in Beverages

2001 ◽  
Vol 84 (2) ◽  
pp. 479-485 ◽  
Author(s):  
Susan E Ebeler ◽  
Gay M Sun ◽  
Meera Datta ◽  
Phil Stremple ◽  
Allen K Vickers
Keyword(s):  
Stationary Phase ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Mass Spectrometric ◽  
Alcoholic Beverages ◽  
Spectrometric Analysis ◽  
Reliable Technique ◽  
Enantiomeric Analysis ◽  
Cyclodextrin Stationary Phase ◽  
Chromatographic Mass

Abstract Solid-phase microextraction combined with gas chromatographic/mass spectrometric analysis and separation on a chiral cyclodextrin stationary phase was a rapid, reliable technique for profiling chiral aroma compounds in flavored alcoholic beverages. Several enantiomeric terpenes, esters, alcohols, norisoprenoids, and lactones were identified in berry-, peach-, strawberry-, and citrus-flavored wine and malt beverages (wine coolers). Using this technique, we were able to confirm the addition of synthetic flavoring to several beverages, consistent with label designations.

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