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METHOD DEVELOPMENT FOR THE SIMULTANEOUS DETERMINATION OF METHYLMERCURY AND INORGANIC MERCURY IN SEAFOOD
Sergio Carneado, Ariane V. Zmozinski, Carmen Ibáñez-Palomino, Àngels Sahuquillo, José Fermín López-Sánchez, Márcia M. da Silva

This work reports the method development for the simultaneous determination of methylmercury (MeHg+) and inorganic mercury (iHg) species in seafood. The study focused on the extraction and quantification of MeHg+ by liquid chromatography coupled to on-line UV irradiation and cold vapour atomic fluorescence spectroscopy (LC-UV-HG-AFS), using HCl 4 mol L-1 as extractant agent.

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Analysis of Low Levels of Bisphenol A (BPA) in Canned Broths
Ken G. Espenschied, Michael Ye, Olga I. Shimelis, and Christine Dumas

Bisphenol A (BPA) is a primary monomer used in the manufacture of many plastics and epoxies. Some of these plastics are used as beverage containers and as liners and sealants for metal food containers. Because of BPA’s potential to act as an endocrine disrupter at low concentrations in humans, regulations have been enacted regarding BPA concentrations in food and beverages sold for human consumption.

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Fast and Efficient Analysis of Polynuclear Aromatic Hydrocarbons in Edible Oils Using Dual-Layer SPE
Christine Dumas and Katherine Stenerson

A new dual-layer cartridge for the efficient extraction of PAHs from edible oils

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Total Phenolics and Beta-1,3-Glucans Extracted from Medicinal Mushrooms (Ganoderma lucidum, Inonotus obliquus, and Phellinus linteus)
Jaecheol Kim, Kiuk Lee, Keum Taek Hwang(1), Gichun Yoo(2)

This study was to analyze the total phenolics, beta-glucans, and beta-1,3-glucans in water extracts of three medicinal mushrooms (Ganoderma lucidum(GL), Inonotus obliquus(IO), and Phellinus linteus(PL)) under different extraction conditions.

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Microextraction techniques combined with X-ray fluorescence spectrometry for determination of different metal ions in water
Karina Kocot (a), Beata Zawisza (a), Eva Marguí (b), Ignasi Queralt (c), Rafal Sitko (a)

In present work new preconcentration procedures combining microextraction techniques and X-ray fluorescence spectroscopy were developed. Proposed methodologies are promising tools for multielemental analysis enabling detection of natural pollutants in different water samples.

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Application of Central Composite Design (CCD) for the Optimization of Ultrasound-assisted Extraction (UAE) of Phenolics from Corn (Zea mays)
Widiastuti Setyaningsih, 1,2 Erwan Duros, 3 Ceferino Carrera, 4 Miguel Palma, 2 Carmelo G. Barroso 2

A new Ultrasound-assisted Extraction (UAE) of phenolic compounds from corn (Zea mays) has been optimized by means of chemometrics tool. The proposed method was validated and successfully applied to the analysis of phenolics content in several corn cultivars.

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Metabolism of Eight Model Pharmaceutical Compounds in Rat and Human HepatoPac Versus Liver Microsomes and Suspension Hepatocyte Platforms
Julius O. Enoru, William DeMaio, Adiba Watanyar, Kenneth Draper, Amanda Moore & Okey Ukairo

This poster presents our comparative metabolite profiling analysis of eight model pharmaceutical compounds with various biotransformation reactions using a functionally stable model of primary hepatocytes [micropatterned co-cultures (MPCCs)] in parallel with the traditional liver microsomal and suspension hepatocyte systems.

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Characterization of Proteins and Protein Self Association (Oligomerization) with SEC-MALS
Michel Terray, Mark Pothecary

In this poster, a series of proteins and their oligomers were characterized using SEC-MALS with UV and RI detection. The monomer molecular weights are measured and compared with those from column calibration. The molecular weights of their oligomers are also compared with column calibration and the differences explored.

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MsCompare: An Untargeted LC & GC/MS Metabolomics Platform for Quality Control, Precise Deconvolution and Data Analysis
Marco Ruijken

A GC/MS or LC/MS workflow for Metabolomics applications includes a number of distinct steps: experimental design, sampling, sample preparation, data acquisition, data processing, deconvolution, identification and data interpretation.

The MsXelerator software includes Quality Control procedures and Analysis of Variance (ANOVA) to properly control each step in this workflow and to obtain reliable results for both quantitation and identification.

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Showing Results 21 - 30 of 81
Scientific News
New Research Into Health Benefits Of Coffee
New research has brought us closer to being able to understand the health benefits of coffee.
Broccoli Sprout Extract Promising for Head and Neck Cancer Prevention
Study shows broccoli sprout extract protects against oral cancer in mice.
Kimchi-based Preservative Used in Cosmetics is Not So Natural
Scientists report that kimchi-based preservative marketed as “all-natural” contains synthetic ingredients.
Could Maple Syrup Help Cut Use Of Antibiotics?
Syrup extract found to make antibiotics more effective against bacteria.
Sensor Detects Spoiled Meat
Tiny device could be incorporated into “smart packaging” to improve food safety.
Enriched Broccoli Reduces Cholesterol
New broccoli variety can help to reduce blood LDL-cholesterol.
Inkjet Printer Could Help Identify Food Contaminants
Ordinary office inkjet printer could produce simple tool to identify infectious disease, food contaminants.
Multi-Treenut Food Allergen Test Developed
Neogen has developed a rapid test that can simultaneously detect the presence of six tree nuts in a single test in just 10 minutes after extraction.
Drinking Raw Milk Dramatically Increases Risk for Foodborne Illness
Researchers discourage the consumption of raw milk, especially by children, pregnant women and the elderly.
The Colour Of Lettuce Determines The Speed Of Its Antioxidant Effect
A study by the UPV/EHU-University of the Basque Country has explored the kinetics in the Batavia, Marvel of Four Seasons and Oak Leaf lettuces.
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