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Discrimination of Meat Species Using Raman Spectroscopy and PCA
Reyhan Selin Uysala, Tümay Temiza, Ismail Hakki Boyacia,b, Hasan Murat Veliogluc, Ugur Tamerd

Discrimination of meat species and meat products was performed with using Raman spectroscopy and principal component analysis (PCA).

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A Mass Spectrometer for Elemental Analysis based on Fieldable Technologies
Hilary Brown, Jennifer Speer, John Gerling, and Kenyon Evans-Nguyen

Laser ablation and a Microwave Plasma Torch (MPT) were coupled in order to obtain elemental information from solid samples. The MPT was incorporated as a less costly and more portable alternative to the ICP. MPT was also added to help improve the signal from just the laser ablation alone.

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Rapid Identification of Microorganisms by Touch Spray and Paper Spray Ambient Ionization
Ahmed M. Hamid, Alan K. Jarmusch, Valentina Pirro and R. Graham Cooks

The rapid and accurate identification of microorganisms is necessary in order to improve public health. Molecular-based identification allows for rapid patient treatment and provides more accurate diagnoses, two crucial aspects for successful treatment, yet a great challenge. In this work PS-MS, an existing ambient method, and TS-MS, a newly developed technique, are being utilized in the rapid discrimination of microorganisms (<2 min).

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Fingerprinting analytical strategy used for authentication of honey
Oana Romina DINCAa,b, Roxana Elena IONETEa*, Raluca POPESCUa, Radu TAMAIANa, Diana COSTINELa, Gabriel Lucian RADUb

The goal of the current study is mainly to establish potential origin markers, and not to build a model for prediction. This research provides a database for comparison of honey samples from Romania with other honey samples from the world. Data on d13C, d18O and d2H of honey measured by IRMS together with the stable isotopes (deuterium by SNIF-NMR and carbon 13 - IRMS) in ethanol from fermented honeys were reported.

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Determination of Metabolically Unstable Drugs in Blood by Heat-Stabilized DBS and LC-MS/MS

The aims of this work were to investigate drug stability prior to, during and after blood spot sampling, using procaine, prulofloxacine, esmolol, and acetylsalisylic acid as examples of drug compounds with limited stability and to compare conventional DBS sampling procedure with DBS sampling including heat stabilization.

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Microfluidic analysis of amino acids using aminoacyl-tRNA synthetase coupled with spectrophotometric detection

Analyses of free amino acids in biological fluids?—?such as urine and plasma?—?can be useful in determining disease status in clinical diagnoses [1]. In the food industry, unique changes in amino acid concentrations are useful markers of freshness, nutrition, and taste.

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LC/MS/MS Quantitation of Eicosapentaenoic Acid in Rat Plasma
Rachel Sun, Jordan Nally, Tim Shoaf

Eicosapentaenoic acid (EPA) is an omega-3 fatty acid, which has been documented to be important in biochemical and physiological processes including inflammatory response, blood clotting and the immune system. Eicosapentaenoic acid (EPA) appears in different forms in the blood including triglyceride, ethyl ester, or free acid. In this work we presented an LC/MS/MS method to quantitate the total eicosapentaenoic acid in rat plasma with a 96-well plate format.

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Ion Chromatography ICP-Q-MS for the Detection of Arsenic Species in Apple Juice
Daniel Kutscher, Shona McSheehy-Ducos, Julian Wills and Detlef Jensen

Interest in the determination of Arsenic species in fruit juices has been triggered by recent media reports in the United States claiming that some apple juices may contain high amounts of Arsenic. Inorganic forms of Arsenic (As3+ and As5+) are highly toxic, whereas the organic forms (e.g. arsenobetaine) are not considered toxic. A robust IC-ICP-MS system was developed and shown to be a highly selective and sensitive technique for determination of trace element species.

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Magnetohydrodynamic Based Circular Liquid Chromatography On Chip
Champak Das Guochun Wang and Forrest Payne

This poster demonstrates cyclic liquid chromatography on chip and shows how this can be used in other closed loop applications.

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Showing Results 11 - 20 of 26
Scientific News
Using LC-MS to Analyse Sulfonamides in Food Grade Honey
Sulfonamides are one of a number of groups of chemicals whose presence in honey is limited by international regulations.
Foodborne Pathogen Detection Speeds Up Dramatically
Next-generation sequencing techniques allow rapidly identification of strains of salmonella, quickening responses to potential outbreaks.
Reimagining UHPLC
To learn more about the new Vanquish UHPLC system from Thermo Fisher Scientific we spoke to Wulff Niedner, Director of HPLC Product Marketing.
Salmonella Relies on Single Food Source to Stay Potent
Study suggests genes needed for nutrient could be attractive drug target to fight infection.
Boron Tolerance Discovery for Higher Wheat Yields
Adelaide scientists have identified the genes in wheat that control tolerance to a significant yield-limiting soil condition found around the globe - boron toxicity.
First Direct Evidence of Plants in Neanderthal Diet
Although heavy on meat our prehistoric cousin's diet also included plant tissues, such as tubers and nuts.
Sensor Detects Harmful Bacteria on Food Industry Surfaces
A new device designed to sample and detect foodborne bacteria is being trialled by scientists at the University of Southampton.
Common Bean Critically Important to the Global Food Supply
The bean genome sequence provides powerful tools to improve critical food crop.
Harvesting Sunlight to Help Feed and Fuel the World
Three U.S./U.K. funded projects have been awarded a total of almost $9 million in additional funding to continue research projects aimed at improving the efficiency of photosynthesis.
Humanity's Overall Environmental Footprint is Not Sustainable
Substantial, fundamental changes in the world economy are required to reduce humanity's overall environmental footprint to a sustainable level.
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