Hot topic: Investigating the risk of violative meat residues in bob veal calves fed colostrum from cows treated at dry-off with cephapirin benzathine von Hausler, K., Godden, S.M., Schneider, M.J., Lightfield, A.R., Bulthaus, M., Haines, D.

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Analysis of Pesticide Residues in Eggs by Direct Sample Introduction/Gas Chromatography/Tandem Mass Spectrometry von Lehotay, Steven J, Lightfield, Alan R, Harman-Fetcho, Jennifer A, Donoghue, Dan J

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Supercritical fluid extraction of methyltestosterone, nortestosterone and testosterone at low ppb levels from fortified bovine urine von Stolker, A.A.M, van Ginkel, L.A, Stephany, R.W, Maxwell, R.J, Parks, O.W, Lightfield, A.R

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Use of buffering and other means to improve results of problematic pesticides in a fast and easy method for residue analysis of fruits and vegetables von Lehotay, S.J, Mastovska, K, Lightfield, A.R

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Multiresidue supercritical fluid extraction method for the recovery at low ppb levels of three sulfonamides from fortified chicken liver von Maxwell, Robert J, Lightfield, Alan R

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Determination of pesticide residues in nonfatty foods by supercritical fluid extraction and gas chromatography/mass spectrometry: Collaborative Study von LEHOTAY, Steven J

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Confirmatory and Quantitative Analysis of β-Lactam Antibiotics in Bovine Kidney Tissue by Dispersive Solid-Phase Extraction and Liquid Chromatography−Tandem Mass Spectrometry von Fagerquist, Clifton K, Lightfield, Alan R, Lehotay, Steven J

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Supercritical fluid extraction of clenbuterol from bovine liver tissue von O'KEEFFE, M. J, O'KEEFFE, M, GLENNON, J. D, LIGHTFIELD, A. R, MAXWELL, R. J

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Rapid biorecognition assay for herbicides in biological matrices von BREWSTER, J. D, LIGHTFIELD, A. R

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Determination of Triphenylmethane Dyes and Their Metabolites in Salmon, Catfish, and Shrimp by LC-MS/MS Using AOAC First Action Method 2012.25: Collaborative Study von Schneider, Marilyn J, Andersen, Wendy C

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Evaluation of restricted access media for high-performance liquid chromatographic analysis of sulfonamide antibiotic residues in bovine serum von Brewster, Jeffrey D., Lightfield, Alan R., Barfold, Robert A.

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Determination of Pesticide Residues in Nonfatty Fooda by Percritical Extraction aqnd Gas Chromatography/Mass Spectrometry: Collaborative Study von Lehotay, Steven J, Schaner, A, Nemoto, S, Harman-Fetcho, J, Barney, J, Heighton, L, McIntyre, R, Rosenblum, L, Lightfield, A, Barden, T, Hopper, M, Valverde García, A, Pihlström/G. Blomkvist, T, Anastassiades, M, Scherbaum, E, Santer, J, Deets/S. Morrison, R, Harvey, R

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Determination of Melengestrol Acetate in Supercritical Fluid—Solid Phase Extracts of Bovine Fat Tissue by HPLC-UV and GC—MS von Parks, Owen W., Shadwell, Roxanne J., Lightfield, Alan R., Maxwell, Robert J.

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In-line and off-line trapping of lipids extracted from chicken liver by supercritical carbon dioxide von Li, S, Maxwell, R.J, Lightfield, A.R

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Confirmatory analysis of β-lactam antibiotics in kidney tissue by liquid chromatography/electrospray ionization selective reaction monitoring ion trap tandem mass spectrometry von Fagerquist, Clifton K., Lightfield, Alan R.

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Storage and Immobilization of Photosystem II Reaction Centers Used in an Assay for Herbicides von Brewster, Jeffrey D, Lightfield, Alan R, Bermel, Patricia L

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Induction of systemic aecial infection in Canada thistle (Cirsium arvense) by teliospores of Puccinia punctiformis von French, R.C. (U.S. Department of Agriculture, Agricultural Research Service, Foreign Disease-Weed Science Research, Ft. Detrick, Frederick, MD), Lightfield, A.R

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Analysis of Pesticide Residues in Eggs by Direct Sample Introduction/Gas Chromatography/Tandem Mass Spectrometry von Lehotay, S J, Lightfield, A R, Harman-Fetcho, JA, Donoghue, D J

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An SPE column-teflon sleeve assembly for in-line retention during supercritical fluid extraction of analytes from biological matrices von Maxwell, Robert J., Lightfield, Alan R., Stolker, Alida A. M.

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Effect of sample matrix dehydration during supercritical fluid extraction on the recoveries of drug residues from fortified chicken liver von PARKS, O. W, LIGHTFIELD, A. R, MAXWELL, R. J

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