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GC-MS – Multimedia

Determination of C2-C12 Aldehydes in Water by SPME Arrow On-Fiber Derivatization and GC/MS content piece image
Poster

Determination of C2-C12 Aldehydes in Water by SPME Arrow On-Fiber Derivatization and GC/MS

A method applying SPME Arrow extraction and on-fiber derivatization for the quantitation of C2-C12 aldehydes in water by GC/MS is described.
A KNIME Pipeline for the Analysis of GC-MS Data in Metabolomics content piece image
Poster

A KNIME Pipeline for the Analysis of GC-MS Data in Metabolomics

A KNIME pipeline was developed to perform pre-processing of GC-MS data in an automated way and applied to a Inflammatory bowel diseases case study
A Comparison of ITEX Dynamic Headspace–GC/MS to other Enrichment Techniques for Analysis of Flavoring Compounds content piece image
Poster

A Comparison of ITEX Dynamic Headspace–GC/MS to other Enrichment Techniques for Analysis of Flavoring Compounds

Enrichment techniques are commonly used for the analysis of flavoring compounds in different matrices with GC/MS. Analysis of flavoring compounds is done by purge & trap, SPME or headspace, depending on requirements for sensitivity. The In-Tube Ex¬traction (ITEX) Dynamic Headspace uses a micro trap filled with an adsorbent material to efficiently extract the compounds. Here we evaluate if the ITEX can be used to effectively analyze for these compounds and reduce the analyst’s time involved.
Quantitative Analysis Of Pesticides In Quechers Extracts Using UPLC- and APGC- MS/MS  content piece image
Poster

Quantitative Analysis Of Pesticides In Quechers Extracts Using UPLC- and APGC- MS/MS

In this study, we demonstrate sensitive, accurate and repeatable results for the analysis of pesticides in QuEChERS extracts of a selection of
commodities below the regulatory limits.
Video

New Metabolomics Biomarker for Heart Failure

Metabolomics has been successfully applied to identify and validate biomarkers for congestive heart failure. Diagnosis and risk stratification of heart failure (HF) is challenging.
DETERMINATION OF THE QUALITY OF ACTIVE INGREDIENTS IN PAIN KILLERS USING GC-MS content piece image
Poster

DETERMINATION OF THE QUALITY OF ACTIVE INGREDIENTS IN PAIN KILLERS USING GC-MS

From this study, the pain killers sampled were found to have large error bars suggesting that there exist counterfeit drugs in the market. The brands mostly affected for analysis of acetaminophen were panadol, action, P500, P5500, elymol and neladol. The error bars for caffeine analysis were quite low indicating that all tablets either counterfeit or original maintained the same amount of this active ingredient.
TGA/IST16/GC/MS coupling : an advanced technique for LLDPE structure interpretation content piece image
Poster

TGA/IST16/GC/MS coupling : an advanced technique for LLDPE structure interpretation

An innovative TGA/IST16/GC/MS coupling is presented.
Analysis of Polymers, Additives and Contaminates in Medical Devices using Pyrolysis-GCMS content piece image
Poster

Analysis of Polymers, Additives and Contaminates in Medical Devices using Pyrolysis-GCMS

Pyrolysis GC-MS is a standard technique used to analyze industrial polymers. This poster will show the use of multiple temperature ramps to analyze for additives and contaminants, in addition to polymer identification, in several medical devices.
Video

Diagnosis of Disorders Affecting Steroid Synthesis and Metabolism by Mass Spectrometry

Despite all the progress in the proteomic and genomic research, the quantitation of steroids in biological samples is still needed for the establishment of the biochemical phenotype of disorders affecting steroid biosynthesis.
When Single Dimension GC Separations Fail: Exploring Real World Applications for Comprehensive Two=Dimensional GC (GCxGC) content piece image
Poster

When Single Dimension GC Separations Fail: Exploring Real World Applications for Comprehensive Two=Dimensional GC (GCxGC)

Examples will be highlighted for food/flavor/fragrance, metabolomic, and petrochemical application markets. The advantage in number of compounds detected and overall quality of their mass spectral library similarity scores, as compared to one-dimensional methods will be clearly demonstrated.
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