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June 2014 Pesticides Food Authenticity & Profiling Antibiotics Marine Biotoxins Food Pathogens Assessing Washing Methods for Reduction of Pesticide Residues in Tomatoes and Other Produce Philip Wylie, Fadwa Al-Taher, Yang Chen, and Jack Cappozzo, Agilent Technologies Various washing protocols have been assessed for efficacy using Agilent LC–MS and GC–MS instrumentation to measure pesticide residues in tomatoes and other produce. Read More Lowering Detection Limits for Routine Analysis of Pesticides Residues in Foods Using Triple Quadrupole GC–MS Melissa Churley, Agilent Technologies A triple quadrupole GC–MS method has been employed to test over 100 pesticides in plum and winter squash matrices with limits of quantitation in the low ng/g range. Read More Discovery of Imidacloprid Metabolites in Onions Using Mass Profiler Professional Jerry Zweigenbaum, Imma Ferrer, and E. Michael Thurman, Agilent Technologies Agilent's Mass Profiler Professional, a multivariate statistical program, was applied to complex mass spectral chromatograms to differentiate pesticide metabolite residues. Read More Quality Analysis of Extra Virgin Olive Oil Sonja Krieger, Agilent Technologies Determination of phenolic compounds in extra virgin olive oil using 2D-LC and time-of-flight mass spectrometry (TOF-MS). Read More Determining Wine Authenticity: A Metabolomics Analysis Using UHPLC ESI/Q-TOF MS Meiling Lu and Shan Zhou, Agilent Technologies Demonstrates the advantages of using Q–TOF LC–MS and multivariate statistical analysis for metabolic profiling of wines. Read More Classification of Chamomile Flowers, Essential Oils, and Commercial Products Using Chemometrics and GC–MS Jerry Zweigenbaum and Philip Wylie, Agilent Technologies A highly accurate statistical model has been developed to determine the exact type of chamomile used in the production of commercial herbal products. Read More Simultaneous Determination of Multiclass Antibiotic Residues in Nile Tilapia by LC–MS–MS Sergio Henrique Monteiro, Valdemar Liuz Tornisielo, and Jeane Gisele Francisco, Agilent Technologies A validated method for the simultaneous assessment of 11 drugs of different antibiotic classes in Nile Tilapia muscle tissue. Read More Development of an Analytical Method for Determination of Antiparasitics Residues in Milk Using QuEChERS and Analysis by LC–MS–MS Daniela Daniel, Regina Furlani, Fernanda Gomes, Silvia Tfouni, and Monica Camargo, Agilent Technologies A validated method for the simultaneous assessment of ivermectin, abamectin, doramectin, eprinomectin, moxidectin, and diflubenzuron residues in milk. Read More Determination of Azaspiracids in Edible Shellfish by LC–MS–MS Meiling Lu, Shan Zhou, Shen Han, Peiyue Wang, Ying Liu, Jin Gu, and Jinhua Wang, Agilent Technologies A modified QuEChERS method coupled with UHPLC triple quadrupole mass spectrometry for the detection of azaspiracids in shellfish. Read More High-Throughput Analysis of Foodborne Bacterial Genomic DNA Lenore Kelly, Richard Jeannotte, Eric Lee, Nguyet Kong, Whitney Ng, and Bart C. Weimer, Agilent Technologies Genomic DNA from nine foodborne pathogens was analyzed using several accepted high-throughput methods as part of the 100K Pathogen Genome Project. Read More   Go to Application Note Library Subscribe to the Application Note Alert LCE Print Edition LCE Digital Edition