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Analysis of Petroleum Products Using Comprehensive Two-Dimensional Gas Chromatography (GCxGC) with Both Time-of-Flight MS and Flame Ionization Detectors
Christina N. Kelly, Jonathan D. Byer, David E. Alonso, Lorne E. Fell, Joseph E. Binkley

Several possible configurations were tested to develop a workflow which would allow either subsequent or simultaneous acquisitions of GC×GC TOFMS and FID data on the same GC×GC instrument for petroleum analysis.

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Determination of C2-C12 Aldehydes in Water by SPME Arrow On-Fiber Derivatization and GC/MS
Peter Egli, Beat Schilling, Guenter Boehm, Kai Schueler

A method applying SPME Arrow extraction and on-fiber derivatization for the quantitation of C2-C12 aldehydes in water by GC/MS is described.

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Assessing Diversity in Cassava through the Application of Metabolomics
Margit Drapala, Elisabete Carvalhoa, Laura Perez-Fonsa, Elliott Pricea, L. Augusto Becerra Lopez-Lavalleb, Paul D. Frasera

In the present study metabolomic platforms have been established for Cassava and used to assess the biodiversity present in Cassava germplasm collections and elucidate underlying biochemical mechanisms associated with traits of interest.

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A KNIME Pipeline for the Analysis of GC-MS Data in Metabolomics
Sonia Liggi1, Maria Laura Santoru1, Cristina Piras1, Antonio Murgia2, Pierluigi Caboni2, Luigi Atzori1

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

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PredRet: Prediction of Retention Time by Direct Mapping between Multiple Chromatographic Systems
Jan Stanstrup, Steffen Neumann, Urška Vrhovšek

Retention time (RT) information is under-utilized in LC-MS based metabolomics and sharing of RTs between systems is not currently possible. PredRet is a new system that allows highly accurate mapping and prediction of RTs between LC systems.

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Profiling of metabolomic changes induced by testosterone esters in pig plasma and urine
Kamil Stastny, Martin Faldyna, Milan Franek

In this study, metabolic fingerprinting to discriminate between pigs treated with 17ß-testosteron esters and control animals has been investigated. Multivariate statistical analysis showed significant metabolic differences between test and control groups on day 28 after aplication of the testosterone hormonal preparation.

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Sample Stabilization and Purification Devices for Superior Forensic DNA Storage, Purification and Profiling
Geoffrey Routh,& Bassam El-Fahmawi

The tools used for evidentiary sample collection are often challenged in criminal cases. Maintaining the integrity of evidentiary samples continues to be a major challenge - especially when samples stay in transit during transportation where sample integrity is highly compromised. Thus, there is a crucial need for a cost-effective, efficient DNA collection and storage system that maintain sample integrity from collection until processing, while providing a means to ensure proper chain of custody

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A Simple Plate Based Assay Using pH Sensor Dye to Screen for Internalizing Antibody
Nidhi Nath, Becky Godat, Cesear Corona, Chad Zimprich, Mark McDougall, Poncho Meisenheimer, Marjeta Urh

Receptor mediated internalization is a key mechanism of action (MOA) for antibody drug conjugates (ADCs). However, current methods of studying antibody internalization have several limitations including: 1) A multistep process not suitable for screening; 2) Low signal-to-background ratios; 3) Not suitable for kinetic measurements. We have developed a method that mitigates problems associated with traditional internalization assays.

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An IgG Cleaving Protease from S equi with Improved Activity Against Mouse IgGs
Chris Hosfield, Philip Compton, Luca Fornelli, Paul Thomas, Neil L. Kelleher, Michael Rosenblatt & Marjeta Urh

Here we have expressed and purified a modified recombinant IdeZ, and show that it has significantly improved activity against mouse IgG2a and IgG3 subclasses when compared to IdeS. We also demonstrate the use of IdeZ in LC-MS workflows for human and mouse IgG characterization.

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Scientific News
Metabolite Promotes Cancer Cell Transformation
Researchers have identified a metabolite that promotes cancer cell transformation and colorectal cancer spread.
Top 10 Life Science Innovations of 2016
2016 has seen the release of some truly innovative products. To help you digest these developments, The Scientist have listed their top picks for the year.
Hunting the Missing Link Between Genetics and the Environment
The International Phenome Centre Network (IPCN) works to transform healthcare through phenomics - the dynamic interactions between our genes and our environment.
Cocaine Test Could Lead to Rapid Roadside Testing
Scientists develop urine and oral fluid diagnostic test for cocaine, utilising a compact mass spectrometer.
The Benefits of a Mediterranean-style Diet
A Western-style diet, with more omega-6 fatty acids than the Mediterranean, dysregulates lipid signaling in aged mice and promotes inflammation.
Peer Review is in Crisis, But Should be Fixed, Not Abolished
After the time to get the science done, peer review has become the slowest step in the process of sharing studies, and some scientists have had enough.
Rapid Identification of Illicit Designer Drugs
New technique can identify commonly used illicit compounds in as little as 15 seconds.
Early Warning System for Colorectal Cancer
Potential new diagnostic tool identified for the second most common cancer in the world.
Enhancing On-line Biological Sample Processing
New techniques are required to meet emerging demands on biopharmaceutical analysis.
Scientists Develop a Novel Method to Benchmark and Improve the Performance of Protein Measurement Techniques
A wide range of laboratories around the world are benefiting from this work, which enables researchers to analyze or compare the results of quantitative proteomics assays in a standardized way.
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