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Gas Chromatography – Multimedia

Detection and Identification of Dispersants (COREXIT® 9527 and 9500) by GC/MS and LC-MS/MS content piece image
Poster

Detection and Identification of Dispersants (COREXIT® 9527 and 9500) by GC/MS and LC-MS/MS

Dispersants are plasticizers commonly used to prevent clumping and help dissipate oil slicks. In this work, we used GC/MS and LC-MS/ MS to detect and indentify two of the most widely used dispersants (Corexit 9527 and 9500).
Detection of Environmental Contaminants Caused by the Oil Spill in the Gulf of Mexico by GC and HPLC content piece image
Poster

Detection of Environmental Contaminants Caused by the Oil Spill in the Gulf of Mexico by GC and HPLC

In order to help understand the impact that the oil spill has caused, laboratories are looking for rapid and robust analytical procedures to characterize the hydrocarbon contaminants. This work provides SPE, GPC, GC-FID, GC/MS, and HPLC analytical methods for analyzing the most common contaminants that originated from the leak.
App Note / Case Study

Miniaturisation of Gas Chromatography Equipment

Gas Chromatography (GC) is a highly sensitive chemical analysis technique with a broad range of applications. Existing commercial GC systems are generally quite bulky and fragile. Microfluidics enables miniaturisation of the gas chromatography column and low power methods for column heating.
AN INTEGRATED 1H NMR, GC-MS AND HPLC-(ESI/TOF) BASED METABOLOMICS APPROACH TO THE STUDY OF ACUTE EXERCISE IN HUMAN SERUM METABOLOME content piece image
Poster

AN INTEGRATED 1H NMR, GC-MS AND HPLC-(ESI/TOF) BASED METABOLOMICS APPROACH TO THE STUDY OF ACUTE EXERCISE IN HUMAN SERUM METABOLOME

There is an increasing concern about the different response and effect that acute exercise induces on diabetic people and a novel insight into this effect can be performed using a metabolomic approach. Metabolomic is becoming widely spread used as a new and powerful tool for discerning significant changes at metabolic level. In this study we aimed to perform a non-targeted analysis and to identify metabolic differences arisen after 30 minutes of acute exercise in both young men suffering from Ty
App Note / Case Study

EPA Method 524.2: Determination of Volatile Organic Compounds in Drinking Water by Capillary Column GC/MS

EPA Method 524.2, “Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry”, is a general-purpose method for the identification and simultaneous measurement of purgeable volatile organic compounds in surface water, groundwater, and drinking water.
App Note / Case Study

Determination of Methanol Content in Biodiesel using Gas Chromatography with Headspace Sampling According to EN-14110

The popularity and interest in biodiesel is significantly growing in many areas of the world and has become a commonly sought after alternative fuel source for use with diesel engines.
Impacts of climate on water-use and water-use efficiency of woodlands in the Sudanese Sahel region: a modelling study content piece image
Poster

Impacts of climate on water-use and water-use efficiency of woodlands in the Sudanese Sahel region: a modelling study

This poster dealt with the impacts of climate on water-use and water-use efficiency of woodlands in the Sudanese Sahel region. Results are based on global circulation models (GCMs).
Temporal Dynamics of Pathogenesis Related Metabolites and their Metabolic Pathways Following Inoculation of Potato Leaves with Phytophthora infestans content piece image
Poster

Temporal Dynamics of Pathogenesis Related Metabolites and their Metabolic Pathways Following Inoculation of Potato Leaves with Phytophthora infestans

The resistance in potato cultivars against late blight caused by Phytophthora infestans is classified into vertical and horizontal. Several metabolites associated with resistance have been detected: phytoalexins such as rishitin, phytuberin, lubimin, solavetivone etc. Metabolite profiling is a novel technology for the discrimination of quantitative resistance in plants against pathogen stress.
Ethnopharmacological Evaluation of Radal (leaves of Lomatia hirsuta) through Metabolite Profiling and Isolation of 2-Methoxyjuglone. content piece image
Poster

Ethnopharmacological Evaluation of Radal (leaves of Lomatia hirsuta) through Metabolite Profiling and Isolation of 2-Methoxyjuglone.

To evaluate the efficacy of the traditionally used herbal remedy Radal a metabolite profile of the original plant material was established. The EtOAc extract of the leaves and found to be active against the pathogenic fungus Candida albicans (MIC = 8 µg/ml). Cinnamic acid (2) and vanillic acid (5) were identified as the major constituents in the tea by GC-MS along with other phenolic derivatives.
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