Reversed-Phase Point-of-use Purifier for the Removal of Trace Organics in High Purity Water
Poster Dec 07, 2010
Coralie Monferran, Cecilia Devaux, Maricar Tarun, Estelle Riche and Daniel Darbouret
The work detailed in this poster details how a new point-of-use purifier based on reversed-phase chemistry was developed with the purpose of removing traces of organic contamination just before water is dispensed.
Specifically this poster shows:
• Results of tests performed during the polisher’s validation
• LC-MS baselines of ultrapure water with or without the polisher
• Comparisons of water filtered with the specific polisher and LC-MS Grade bottled water
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Automated robotic sample preparation with hyphenated dual LC-SWATH/MS analysis for lipids and polar metabolites.
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Pyrolysis-GC/MS is an effective tool in introducing and analyzing polymers. But since the polymer must be broken down to volatile segments in order to be sent to the GC, identification by the Mass Spec does not look at the original polymer, but only the fragments. This poster will look at a unique library designed to work with the existing NIST library, however contains averaged spectra of pyrolyzed polymers so it can be used to directly identify the original polymer sample.READ MORE
Application of Solid Phase Micro Extraction (SPME) and On‐Fiber Derivatization to Detect Precursors of Biomolecules in the study of Proto‐metabolismPoster
In the studies of origins of life, plausible synthetic reaction pathways to form biological relevant molecules, or building blocks of proto‐bilayer lipids, protein, RNA, and DNA in the primitive environment have been investigated intensively.READ MORE