Choline and Acetylcholine

Chem. Listy 97, 1190 ñ 1192 (2003) LaboratornÌ p¯Ìstroje a postupy LABORATORNÕ PÿÕSTROJE A POSTUPY STANOVENÕ HLADINY ACETYLCHOLINU A CHOLINU V HIPPOKAMPU POTKANA KAPALINOVOU CHROMATOGRAFIÕ S ELEKTROCHEMICKOU DETEKCÕ MARCELA BIELAVSK¡ a JIÿÕ KASSA* Katedra toxikologie, Vojensk· lÈka¯sk· akademie J. E.…

Application Note 249 Determination of Methacholine Chloride and Potential Impurities Using a Reagent-Free Ion Chromatography System INTRODUCTION Methacholine chloride [2-(acetyloxy)-N,N,Ntrimethyl-1-propanaminium chloride] is a synthetic analogue of the neurotransmitter acetylcholine. Its principal use is as a parasympathomimetic bronchoconstrictor agent to assess…

Technical note | 001521 Ion chromatography Choosing the appropriate cation-exchange column for quaternary amine determinations Authors Goal Sachin Patil and Jeff Rohrer To evaluate and identify cation-exchange columns suitable for applications involving Thermo Fisher Scientific, Sunnyvale, CA quaternary ammonium compound…

Beverages Applications Notebook Milk Table of Contents Index of Analytes......................................................................................................................................................................... 3 Introduction to Beverages........................................................................................................................................................... 4 UltiMate 3000 UHPLC+ Systems............................................................................................................................................... 5 IC and RFIC Systems.................................................................................................................................................................. 6 MS Instruments........................................................................................................................................................................... 7 Chromeleon 7 Chromatography Data System Software............................................................................................................ 8 Process Analytical Systems and Software..................................................................................................................................…