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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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Building a digital pathology ecosystem for education and research
Yves Sucaet, Silke Smeets, Stijn Piessens, Sabrina D'Haese, Chris Groven, Wim Waelput, Peter In't Veld

We wanted to build a core digital pathology infrastructure to support different use cases. Various images platforms needed to be accessible through a single access point, and support different user profiles. We wanted a scalable solution that would allow interaction between equipment from different research groups.
We built a centralized infrastructure that integrates a variety of imaging platforms, and now have an interconnected network of heterogeneous and scalable information silos.

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A Novel Bioluminescent HTS Method for Rapid NAD(P)/NAD(P)H Detection Poster
Jolanta Vidugiriene, Donna Leippe, Mary Sobol, Wenhui Zhou, Gediminas Vidugiris, Troy Good, Laurent Bernad, Poncho Meisenheimer and James J. Cali

Nicotinamide adenine dinucleotides (NAD+, NADH, NADP+ and NADPH) are fundamental co-factors of cellular energy metabolism. These dinucleotides are essential for macromolecule biosynthesis and the maintenance of the cellular redox potential. Our new rapid, easy-to-use assays for measuring dinucleotides are convenient tool for investigating their role in these processes.

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ROS-Glo™ H2O2 Assay: A Luminescent Assay for Detection of Reactive Oxygen Species Poster
Gediminas Vidugiris, Sarah Duellman, John Shultz, Jolanta Vidugiriene, Hui Wang, Jean Osterman, Wenhui Zhou, Poncho Meisenheimer and James J. Cali

H2O2 is a reactive oxygen species (ROS) that is measured in cells as a marker of oxidative stress. It is also measured as a marker of enzyme activities that either consume or produce H2O2. It is desirable to screen chemical compounds for their capacity to alter H2O2 levels in cultured cells or for their effects on H2O2 levels in enzyme reactions.

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A Comparison of ITEX Dynamic Headspace–GC/MS to other Enrichment Techniques for Analysis of Flavoring Compounds
Douglas Doster1; Roger Pearson1; Sean Eppel1; Ken Rice1; Tom Flug2; Brian Peat2; Guenter Boehm2

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.

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Effective Comparison of Yeast Extracts Using High Resolution GC and GCxGC-HRTOFMS
David E. Alonso and Joe Binkley

The Pegasus GC-HRT and GC-HRT 4D instruments are effective tools for the comprehensive analysis of yeast extracts.
• Enhanced chromatographic resolution of the HRT 4D system facilitated compound characterization by improving spectral similarity scores
• High quality data resulted in excellent spectral similarity scores when compared to large, well-established databases (NIST, Wiley)
• High resolution, accurate mass data was crucial for determination of fragment, molecular, and adduct

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When Single Dimension GC Separations Fail: Exploring Real World Applications for Comprehensive Two=Dimensional GC (GCxGC)
Joe Binkley, Elizabeth Humston-Fulmer, David E. Alonso, and Lorne Fell

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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"In-vitro studies on hydroxamic acid- CT DNA binding"
Rubi Khilari

In vitro studies of five the interaction between five different derivatives of hydroxamic acids, N-phenyl 2,4dichloro phenoxybutyro, N-m-tolyl 2,4 dichlorophenoxyglutero, N-m-tolyl-4-chlorophenoxyaceto, N-m-chloro-phenyl-tertiarybutylbenzo and N-p-tolyl-iso-valero hydroxamic acids and calf thymus DNA was investigated under simulated physiological condition.

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Developing a digital histopathology platform to support an international diabetes biobank
Sucaet Yves,. Smeets Silke, Waelput Wim, In’t Veld P.eter

An online histopathology platform combines tissue samples and online digital histopathology images. We combine detailed online patient data with whole slide images. This allows potential users of the tissue bank material to select the tissue and patient characteristics before entering into a collaborative agreement. The digital histopathology platform also allows different pathology laboratories in Belgium to discuss histopathological slides, and facilitates research collaboration.

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Scientific News
Accessing Metabolic Information with Mass Spec
Scientists at the Helmholtz Zentrum München have developed a new mass spectrometry imaging method which, for the first time, makes it possible to analyze hundreds of metabolites in fixed tissue samples.
Improving Tumour Therapy with Nanoparticles
UHN nanoparticle called PEARLs is a promising utilisation of photo-thermal therapy for cancer treatment.
Exosome Research and Quality Control Using ZetaView
Particle Matrix's ZetaView particle characterisation system used by Cell Guidance Systems for exosome research.
Natural Metabolite Can Suppress Inflammation
An international group of scientists from US, Canada, Germany and Russia has revealed a substance produced in humans that can suppress the pro-inflammatory activity of macrophages – specific cells of immune system.
Some Women With PCOS May Have Adrenal Disorder
Researchers at NIH have found that a subgroup of women with PCOS, a leading cause of infertility, may produce excess adrenal hormones.
Making Metabolite Identification More Efficient
Metasense combines the industry's most-comprehensive metabolic transformation prediction with efficient analysis of LC/MS analytical measurements to identify, visualize, and report chemical biotransformations.
Mothers Obesity Could be Passed on in mtDNA
Obesity can predispose offspring in multiple generations to metabolic problems.
ASMS 2016: Targeting Mass Spectrometry Tools for the Masses
The expanding application range of MS in life sciences, food, energy, and health sciences research was highlighted at this year's ASMS meeting in San Antonio, Texas.
What Makes a Good Scientist?
It’s the journey, not just the destination that counts as a scientist when conducting research.
Copper is Key in Burning Fat
Berkeley Lab scientist says results could provide new target for obesity research.
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