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Characterizing Small Molecules in Biological Extracts using IntelliXtract Data Processing on High Resolution Accurate Mass Time-of-Flight Data
Margaret Antler, Graham A. McGibbon, Vitaly Lashin, Jeffrey S. Patick and Kevin Siek

To detect small molecules in biological extracts, LC/MS performed using high resolution time of flight with accurate mass analysis is a powerful technology. Together with advanced data processing algorithms, accurate mass and relative isotope abundance measurements, molecular formulae can be determined and compounds identified.

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Transforming Analytical Data into Knowledge with Software for Metabolite Studies
Tara Sinclair, Graham A. McGibbon and Susan Ling

ACD/Labs has been developing specialized software for chemical and pharmaceutical research for over 16 years. Their expertise includes multi-technique, multi-instrument data handling, knowledge management of analytical and separations data, chemical drawing, and prediction software for a range of chemical properties as well as spectra and chromatograms.

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The LAB2LAB™Advantage
Dr Brian Everatt1 C.Chem., FRSC, Simon Tullett2

Lab2Lab is a novel approach to submitting and transporting samples for analysis across an entire site. Sample tubes are registered and methods selected, an ELN reference is assigned and the sample tube is placed into the “Sender”. The system transports the samples using low pressure compressed air and directs them to the most appropriate analytical instrumentation available. The analytical results are then automatically returned to the originators ELN.

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Qualitative Comparison of Wine Process Samples with UHPLC and Ultra-High Resolution TOFMS
Jeffrey S. Patrick, Joe Binkley, Matthew Giardina and Kevin Siek

The evaluation, identification, and quantitation of flavones, antioxidants and related nutrients, biogenic amines, and potential contaminants in wine and other foodstuffs provides valuable information on their nutritional and health values.

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Analysis of Pesticide Residues in JonaGold Apples Using QuEChERS Approach and Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry (GCxGC-TOFMS)
Joe Binkley, John R Heim and Doug Staples

Screening and quantitation of pesticide residues in fruits and vegetables is of utmost importance for public health and safety concerns. These commodities can contain hundreds-to-thousands of analytes, making them extremely difficult for the screening and accurate quantitation of pesticide residues.

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Analysis of Fruit Commodities by GC-TOFMS and GCxGC-TOFMS Using QuEChERS Approach
Doug Staples, Joe Binkley and John Heim

The availability of fruit commodities from a wide variety of sources has increased the need for rapid and accurate screening for pesticides in fruit. Not all fruit commodities are brought to market under the strict guidelines of the United States Department of Agriculture. Determining whether or not the Environmental Protection Agency tolerances for various pesticides have been violated is important in the risk assessment for consumers in the United States.

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Characterization of Nutrients and Actives in Herbal Supplements and Nutriceuticals Using UHPLC-Multi-Reflecting Time-of-Flight Mass Spectrometry
Jeffrey S. Patrick, Kevin Siek and Joe Binkley

The qualitative and quantitative analysis of the content of nutritional supplements and alternative medicinal therapies is becoming more important and regulation by the FDA is imminent. High resolution mass spectrometry provides a rapid, selective, and useful mechanism for QC of extracts and finished dosage forms, producing a minable, comprehensive data set.

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Detection and Identification of Dispersants (COREXIT® 9527 and 9500) by GC/MS and LC-MS/MS
Sky Countryman, Matthew Trass, Seyed Sadjadi, Jeff Layne

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).

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Ensuring the Quality of Registered Compounds in a Drug Discovery Environment – A Multidisciplinary Approach
Ryan Sasaki and Tara Sinclair

Lexicon Pharmaceuticals have demonstrated that a practical automated verification system using HPLC, LC/MS, and 1D and 2D NMR can be implemented in an industrial/pharmaceutical environment. This system has proven to be robust, and provides added value to compound collection integrity and quality.

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Showing Results 61 - 70 of 124
Scientific News
A Better Understanding of Earth’s Geological Evolution
New instruments to more precisely measure a uranium element carbon dating ratio of 238U/235U.
Insights Into A Rare Genetic Disease
Study shows mutation in NGLY1 gene is linked to a genetic disorder with severe consequences.
Researchers Study Cultural Heritage Painting Cross-Sections
Study of cultural heritage painting cross-sections using AFM-based nanoscale mass spectrometry technique.
Assessing Tumors During Surgery
A novel biomarker for mutant p53 could help pathologists assessing tumors during surgery.
Pharmaceuticals, Personal Care Products Could Taint Swimming Pools
A new study suggests pharmaceuticals and chemicals from personal care products end up in swimming pools, possibly interacting with chlorine to produce disinfection byproducts with unknown properties and health effects.
More Efficient, Sensitive Estrogen Detection Developed
A new method for detecting trace amounts of estrogen in small samples that holds the potential to improve research into cancer and other diseases has been developed.
Chestnuts Roasting On An Open Fire
ORNL work with scientists funded by The American Chestnut Foundation confirms increased blight-resistance of former forest giant.
Metabolomics Data Normalization with EigenMS
In this study, a singular value decomposition-based method, called EigenMS, for normalization of metabolomics data was tested.
Circadian Variation Of The Human Metabolome
Real-time breath analysis was used to study circadian metabolism.
Cells Build 'Cupboards' To Store Metals
Lawrence Livermore researchers have discovered that cells of the alga Chlamydomonas Reinhardti build a “pantry” to store metal and maintain equilibrium.
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