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United States Department of Agriculture

Agricultural Research Service

Research Project: TECHNOLOGIES FOR THE DETECTION OF CHEMICAL AND BIOLOGICAL CONTAMINANTS IN FOODS

Location: Residue Chemistry and Predictive Microbiology

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Evaluation of a recent product to remove lipids and other matrix co-extractives in the analysis of pesticide residues and environmental contaminants in foods - (Peer Reviewed Journal)
Han, L., Matarrita-Rodriguez, J.A., Sapozhnikova, Y.V., Lehotay, S.J. 2016. Evaluation of a recent product to remove lipids and other matrix co-extractives in the analysis of pesticide residues and environmental contaminants in foods. Journal of Chromatography A. 1449:17-29. doi: 10.1016/j.chroma.2016.04.052.
Method validation for 243 pesticides and environmental contaminants in meats and poultry by tandem mass spectrometry coupled to low-pressure gas chromatography and ultra high-performance liquid chromatography - (Peer Reviewed Journal)
Han, L., Sapozhnikova, Y.V., Lehotay, S.J. 2016. Method validation for 243 pesticides and environmental contaminants in meats and poultry by tandem mass spectrometry coupled to low-pressure gas chromatography and ultra high-performance liquid chromatography. Food Control. 66:270-282.
Structural characterization of product ions of regulated veterinary drugs by electrospray ionization and quadrupole time-of-flight mass spectrometry (part 3) Anthelmintics, thyreostats, and flukicides - (Peer Reviewed Journal)
Nunez, A., Lehotay, S.J., Lightfield, A.R. 2016. Structural characterization of product ions of regulated veterinary drugs by electrospray ionization and quadrupole time-of-flight mass spectrometry (part 3) Anthelmintics, thyreostats, and flukicides. Journal of Rapid Communications in Mass Spectroscopy. 30:813-822.
Analysis of nitrosamines in cooked bacon by QuEChERS sample preparation and gas chromatography – tandem mass spectrometry with backflushing     Reprint Icon - (Peer Reviewed Journal)
Lehotay, S.J., Sapozhnikova, Y.V., Han, L., Johnston, J.J. 2015. Analysis of nitrosamines in cooked bacon by QuEChERS sample preparation and gas chromatography – tandem mass spectrometry with backflushing. Journal of Agricultural and Food Chemistry. 63:10341-10351.
Review of recent developments and applications in low-pressure (vacuum outlet) gas chromatography - (Review Article)
Sapozhnikova, Y.V., Lehotay, S.J. 2015. Review of recent developments and applications in low-pressure (vacuum outlet) gas chromatography. Analytica Chimica Acta. 899:13-22. doi: 10.1016/j.aca.2015.10.003.
Multiresidue analysis of pesticides in traditional Chinese medicines using gas chromatography - negative chemical ionization tandem mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Nie, J., Miao, S., Lehotay, S.J., Li, W., Zhou, H., Mao, X., Lu, J., Lan, L., Ji, S. 2015. Multiresidue analysis of pesticides in traditional Chinese medicines using gas chromatography - negative chemical ionization tandem mass spectrometry. Food Additives & Contaminants. Part A. 32:1287-1300. doi: 10.1080/19440049.2015.1055340.
Speciation of AsIII and AsV in fruit juices by dispersive liquid–liquid microextraction and hydride generation-atomic fluorescence spectrometry     Reprint Icon - (Peer Reviewed Journal)
Lai, G., Chen, G. 2015. Speciation of AsIII and AsV in fruit juices by dispersive liquid–liquid microextraction and hydride generation-atomic fluorescence spectrometry. Journal of Food Chemistry. DOI: 10.1016/j.foodchem.2015.05.052.
Evaluation of different parameters in the extraction of incurred pesticides and environmental contaminants in fish - (Peer Reviewed Journal)
Sapozhnikova, Y.V., Lehotay, S.J. 2015. Evaluation of different parameters in the extraction of incurred pesticides and environmental contaminants in fish. Journal of Agricultural and Food Chemistry. DOI:10.1021/jf505651g.
Sampling and sample processing in pesticide residue analysis     Reprint Icon - (Peer Reviewed Journal)
Lehotay, S.J., Cook, J. 2015. Sampling and sample processing in pesticide residue analysis. Journal of Agricultural and Food Chemistry. DOI: 10.1021/jf5056985.
Residues in food and feed topic area at the 13th IUPAC International Congress of pesticide chemistry     Reprint Icon - (Proceedings)
Lehotay, S.J., Riter, L.S., Saha, M. 2015. Residues in food and feed topic area at the 13th IUPAC International Congress of pesticide chemistry. Journal of Agricultural and Food Chemistry. DOI: 10.1021/jf5059599.
Current issues involving screening and identification of chemical contaminants in foods by mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Lehotay, S.J., Sapozhnikova, Y.V., Mol, H. 2015. Current issues involving screening and identification of chemical contaminants in foods by mass spectrometry. Trends in Analytical Chemistry. 69:62-75.
Evaluation of a fast and simple sample preparation method for PBDE flame retardants and DDT pesticides in fish for analysis by ELISA compared with GC-MS/MS     Reprint Icon - (Peer Reviewed Journal)
Sapozhnikova, Y.V., Simons, T., Lehotay, S.J. 2015. Evaluation of a fast and simple sample preparation method for PBDE flame retardants and DDT pesticides in fish for analysis by ELISA compared with GC-MS/MS. Agricultural Food and Science. 63:4429-4434.
Structural characterization of product ions by electrospray ionization and quadrupole time-of-flight mass spectrometry to support regulatory analysis of veterinary drug residues in foods Part 2: Benzimidazoles nitromidaz..... - (Peer Reviewed Journal)
Nunez, A., Lehotay, S.J., Geis-Asteggiente, L. 2015. Structural characterization of product ions by electrospray ionization and quadrupole time-of-flight mass spectrometry to support regulatory analysis of veterinary drug residues in foods Part 2: Benzimidazoles nitromidaz...... Rapid Communications in Mass Spectrometry. 29(9):719-729.
Inorganic arsenic in starchy roots, tubers, and plantain and assessment of cancer risk of sub-Saharan African populations     Reprint Icon - (Peer Reviewed Journal)
Chen, T., Huang, L., Lai, G., Chen, G. 2015. Inorganic arsenic in starchy roots, tubers, and plantain and assessment of cancer risk of sub-Saharan African populations. Food Control. DOI: 10.1016/j.foodcont.2015.01.016.
Rapid screening of oxytetracycline residue in catfish muscle by dispersive liquid-liquid microextraction and europium-sensitized luminescence     Reprint Icon - (Peer Reviewed Journal)
Lai, G., Chen, G., Chen, T., Li, Q. 2015. Rapid screening of oxytetracycline residue in catfish muscle by dispersive liquid-liquid microextraction and europium-sensitized luminescence. Journal of Food Analytical Methods. DOI: 10.1007/s12161-014-0076-4.
Validation of a streamlined multiclass, multiresidue method for determination of veterinary drug residues in bovine muscle by liquid chromatography-tandem mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Schneider, M.J., Lehotay, S.J., Lightfield, A.R. 2014. Validation of a streamlined multiclass, multiresidue method for determination of veterinary drug residues in bovine muscle by liquid chromatography-tandem mass spectrometry. Analytical and Bioanalytical Chemistry. DOI:10.1007/s00216-014-8386-3.
Expansion of the scope of AOAC first action method 2012.25 - single-laboratory validation of triphenylmethane dye and leuco metabolite analysis in shrimp, tilapia, catfish, and salmon by LC-MS/MS     Reprint Icon - (Peer Reviewed Journal)
Andersen, W.C., Casey, C.R., Schneider, M.J., Turnipseed, S.B. 2015. Expansion of the scope of AOAC First Action Method 2012.25 - single-laboratory validation of triphenylmethane dye and leuco metabolite analysis in shrimp, tilapia, catfish, and salmon by LC-MS/MS. Journal of AOAC International. DOI: 10.5740/jaoacint.14-264.
Use of ammonium formate in QuEChERS for high-throughput analysis of pesticides in food by fast, low-pressure gas chromatography and liquid chromatography tandem mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Gonzalez-Curbelo, M.A., Lehotay, S.J., Hernandez-Borges, J., Rodrigues-Delgado, M.A. 2014. Use of ammonium formate in QuEChERS for high-throughput analysis of pesticides in food by fast, low-pressure gas chromatography and liquid chromatography tandem mass spectrometry. Journal of Chromatography A. http://dx.doi.org/10.1016/j.chroma.2014.06.104.
ESI-Q-TOF structural characterization of prominent MS/MS product ions of veterinary drugs for improved regulatory monitoring - (Proceedings)
Nunez, A., Lehotay, S.J., Geis-Asteggiente, L. 2015. ESI-Q-TOF structural characterization of prominent MS/MS product ions of veterinary drugs for improved regulatory monitoring. Proceedings of the ASMS Conference on Mass Spectrometry and Allied Topics. http://www.asms.org/publications/abstracts-and-proceedings.
Streamlined sample cleanup using combined dispersive solid-phase extraction and in-vial filtration for analysis of pesticides and environmental pollutants in shrimp     Reprint Icon - (Peer Reviewed Journal)
Han, L., Sapozhnikova, Y.V., Lehotay, S.J. 2014. Streamlined sample cleanup using combined dispersive solid-phase extraction and in-vial filtration for analysis of pesticides and environmental pollutants in shrimp. Analytica Chimica Acta. 827:40-46. http://dx.doi.org/10.1016/j.aca.2014.04.005.
Rapid sample preparation and fast GC-MS/MS for the analysis of pesticides and environmental contaminants in fish - (Peer Reviewed Journal)
Sapozhnikova, Y.V. 2014. Rapid sample preparation and fast GC-MS/MS for the analysis of pesticides and environmental contaminants in fish. LC GC North America. 32:878-886.
Structural characterization of fragment ions by electrospray ionization and Q-TOF mass spectrometry to support regulatory analysis of veterinary drug residues in foods     Reprint Icon - (Peer Reviewed Journal)
Nunez, A., Geis-Asteggiante, L., Lehotay, S.J., Lightfield, A.R. 2014. Structural characterization of fragment ions by electrospray ionization and Q-TOF mass spectrometry to support regulatory analysis of veterinary drug residues in foods. Rapid Communications in Mass Spectrometry. 28(10):1061-1081.
Evaluation of low-pressure gas chromatography-tandem mass spectrometry method for analysis of greater than 140 pesticides in fish     Reprint Icon - (Peer Reviewed Journal)
Sapozhnikova, Y.V. 2014. Evaluation of low-pressure gas chromatography-tandem mass spectrometry method for analysis of greater than 140 pesticides in fish. Journal of Agricultural and Food Chemistry. 62:3684-3689. DOI: 10/1021/jf404389e.
Analysis of pesticide residues in strawberries and soils by GC-MS/MS, LC-MS/MS and two-dimensional GC-time-of-flight MS comparing organic and integrated pest management farming     Reprint Icon - (Peer Reviewed Journal)
Fernandez, V., Lehotay, S.J., Geis-Asteggiante, L., Kwon, H., Mol, H.G., Van Der Kamp, H., Mateus, N., Delerue-Matos, C., Domingues, V.F. 2014. Analysis of pesticide residues in strawberries and soils by GC-MS/MS, LC-MS/MS and two-dimensional GC-time-of-flight MS comparing organic and integrated pest management farming. Food Control. http://dx.doi.org/10.1080/19440049.2013.865842.
SPE speciation of inorganic arsenic in rice followed by hydride-generation atomic fluorescence spectrometric quantification     Reprint Icon - (Peer Reviewed Journal)
Chen, G., Chen, T. 2014. SPE speciation of inorganic arsenic in rice followed by hydride-generation atomic fluorescence spectrometric quantification. Talanta. 119:202-206.
Development of LC-MS/MS method for analysis of polyphenolic compounds in juice, tea and coffee samples - (Peer Reviewed Journal)
Sapozhnikova, Y.V. 2013. Development of LC-MS/MS method for analysis of polyphenolic compounds in juice, tea and coffee samples. Food Chemistry. http://dx.doi.org/10.1016/j.foodchem.2013.10.131.
Supercritical fluid chromatography-tandem mass spectrometry for the analysis of lipid A - (Peer Reviewed Journal)
Chen, Y., Lehotay, S.J., Moreau, R.A. 2013. Supercritical fluid chromatography-tandem mass spectrometry for the analysis of lipid A. Analytical Methods. DOI: 10.1039/C3AY41344F.
Rapid analysis of aminoglycoside antibiotics in bovine tissues using disposable pipette extraction and ultrahigh performance liquid chromatography - tandem mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Lehotay, S.J., Mastovska, K., Lightfield, A.R., Nunez, A., Dutko, T., Ng, C., Bluhm, L. 2013. Rapid analysis of aminoglycoside antibiotics in bovine tissues using disposable pipette extraction and ultrahigh performance liquid chromatography - tandem mass spectrometry. Journal of Chromatography A. 1313:103-112.
Effects of UV-B radiation levels on concentrations of phytosterol, ergothioneine, and polyphenolic compounds in mushroom powder used as dietary supplements     Reprint Icon - (Peer Reviewed Journal)
Sapozhnikova, Y.V., Lobato, A., Romig, B. 2014. Effects of UV-B radiation levels on concentrations of phytosterol, ergothioneine, and polyphenolic compounds in mushroom powder used as dietary supplements. Journal of Agricultural and Food Chemistry. dx.doi.org/10.1021/jf403852k.
Hot study: Investigating the risk for violative meat residues in bob veal calves fed colostrum from cows treated at dry-off with cephapirin benzathine - (Peer Reviewed Journal)
Hausler, K., Godden, S.M., Schneider, M.J., Lightfield, A.R., Bulthaus, M., Haines, D. 2013. Hot study: Investigating the risk for violative meat residues in bob veal calves fed colostrum from cows treated at dry-off with cephapirin benzathine. Journal of Dairy Science. 96(4):2349-2355.
The use of ultra-high pressure liquid chromatography with tandem mass spectrometric detection of analysis of agrochemical residues and mycotoxines in food - challenges and applications     Reprint Icon - (Review Article)
O'Mahony, J., Clarke, L., Whelan, M., O'Kennedy, R., Lehotay, S.J., Danaher, M. 2013. The use of ultra-high pressure liquid chromatography with tandem mass spectrometric detection of analysis of agrochemical residues and mycotoxines in food - challenges and applications. Journal of Chromatography A. 1292:83-95.
Luminescence screening of enrofloxacin and ciprofloxacin residues in swine liver after dispersive liquid - liquid microextraction cleanup     Reprint Icon - (Peer Reviewed Journal)
Chen, G., Li, Q. 2013. Luminescence screening of enrofloxacin and ciprofloxacin residues in swine liver after dispersive liquid - liquid microextraction cleanup. Journal of Agricultural and Food Chemistry. 61:98-102.
Multi-class, multi-residue analysis of pesticides, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, polybrominated diphenyl ethers and novel flame retardants....mass spectrometry     Reprint Icon - (Peer Reviewed Journal)
Sapozhnikova, Y.V., Lehotay, S.J. 2013. Multi-class, multi-residue analysis of pesticides, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, polybrominated diphenyl ethers and novel flame retardants....mass spectrometry. Analytica Chimica Acta. 758:80-92.
Prevalence of veterinary drug residues and heavy metals in catfish nuggets     Reprint Icon - (Peer Reviewed Journal)
Ozbay, G., Babu, B., Chen, G. 2012. Prevalence of veterinary drug residues and heavy metals in catfish nuggets. Journal of Food Processing and Technology. doi:10.4172/2157-7110.S11-005.
Ruggedness testing and validation of a practical analytical method for > 100 veterinary drug residues in bovine muscle by ultrahigh performance liquid chromatography – tandem mass spectrometry - (Peer Reviewed Journal)
Geis-Asteggiante, L., Lehotay, S.J., Lightfield, A.R., Dutko, T., Ng, C., Bluhm, L. 2012. Ruggedness testing and validation of a practical analytical method for > 100 veterinary drug residues in bovine muscle by ultrahigh performance liquid chromatography – tandem mass spectrometry. Journal of Chromatography A. 1258:43-54.
Variability of matrix effects in liquid and gas chromatography - mass spectrometry analysis of pesticide residues after QuEChERS sample preparation of different food crops - (Peer Reviewed Journal)
Kwon, H., Lehotay, S.J., Geis-Asteggiante, L. 2012. Variability of matrix effects in liquid and gas chromatography - mass spectrometry analysis of pesticide residues after QuEChERS sample preparation of different food crops. Journal of Chromatography A. 1270:235-245.
A non-targeted comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry method and software for inventorying persistent and bioaccumulative contaminants in marine environments - (Peer Reviewed Journal)
Hoh, E., Dodder, N.G., Lehotay, S.J., Pangallo, K.C., Reddy, C.M., Maruya, K.A. 2012. A non-targeted comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry method and software for inventorying persistent and bioaccumulative contaminants in marine environments. Journal of Environmental Science and Technology. 46(15):8001–8008.
Evaluation of a multiclass, multiresidue liquid chromatography-tandem mass spectrometry method for analysis of 120 veterinary drugs in bovine kidney - (Peer Reviewed Journal)
Schneider, M.J., Lehotay, S.J., Lightfield, A.R. 2012. Evaluation of a multiclass, multiresidue liquid chromatography-tandem mass spectrometry method for analysis of 120 veterinary drugs in bovine kidney. Drug Testing and Analysis Journal. 4(1):91-102.
Development and validation of a streamlined method designed to detech residues of 62 veterinary drugs in bovine kidney using ultrahigh performance liquid chromatography - tandem mass spectrometry - (Peer Reviewed Journal)
Lehotay, S.J., Lightfield, A.R., Geis-Asteggiante, L., Schneider, M.J., Dutko, T., Ng, C., Bluhm, L., Mastovska, K. 2012. Development and validation of a streamlined method designed to detech residues of 62 veterinary drugs in bovine kidney using ultrahigh performance liquid chromatography - tandem mass spectrometry. Drug Testing and Analysis Journal. 4:75-90.
Latex agglutination assays for detection and of non-O157 Shiga toxin-producing E. coli serogroups O26, O45, O103, O111, O121 and O145 - (Peer Reviewed Journal)
Medina, M.B., Shelver, W.L., Fratamico, P.M., Fortis, L., Narang, N., Cray, Jr., W., Esteban, E., Tillman, G., Debroy, C. 2012. Latex agglutination assays for detection and of non-O157 Shiga toxin-producing E. coli serogroups O26, O45, O103, O111, O121 and O145. Journal of Food Protection. 75(5):819-826.
Bioactivities of acai (Euterpe precatoria Mart.) fruit pulp, superior antioxidant and anti-inflammatory properties to Euterpe oleracea Mart - (Peer Reviewed Journal)
Kang, J., Thakali, K.M., Xie, C., Kondo, M., Tong, Y., Ou, B., Jensen, G., Medina, M.B., Schauss, A., Wu, X. 2012. Bioactivities of acaí (Euterpe precatoria Mart.) fruit pulp, superior antioxidant and anti-inflammatory properties to Euterpe oleracea Mart. Food Chemistry. 133:671-677.
A multiclass multiresidue LC-MS/MS method for analysis of veterinary drugs in bovine kidney - (Proceedings)
Schneider, M.J., Lehotay, S.J., Lightfield, A.R. 2012. A multiclass multiresidue LC-MS/MS method for analysis of veterinary drugs in bovine kidney. Euroresidue Conference Proceedings. 2:515.
Screening of fluoroquinolone residues in caprine milk using a 5-kg luminescence photometer - (Peer Reviewed Journal)
Chen, G. 2011. Screening of fluoroquinolone residues in caprine milk using a 5-kg luminescence photometer. Journal of Food Analytical Methods. 5:1114–1120.
A 5-kg time-resolved luminescence photometer with multiple excitation sources - (Peer Reviewed Journal)
Chen, G. 2012. A 5-kg time-resolved luminescence photometer with multiple excitation sources. Journal of Applied Spectroscopy. 66(33):341-346.
Effects of temperature and purity of magnesium sulfate during extraction of pesticides residues using the QuEChERS method - (Peer Reviewed Journal)
Geis-Asteggiante, L., Lehotay, S.J., Heinzen, H. 2012. Effects of temperature and purity of magnesium sulfate during extraction of pesticides residues using the QuEChERS method. Official Methods of Analysis of AOAC International. 95(5)1311-1318.
Fast,low-pressure gas chromatography triple quadrupole tandem mass spectrometry for analysis of 150 pesticide residues in fruits and vegetables - (Peer Reviewed Journal)
Koesukwiwat, U., Lehotay, S.J., Leepipatpiboon, N. 2011. Fast,low-pressure gas chromatography triple quadrupole tandem mass spectrometry for analysis of 150 pesticide residues in fruits and vegetables. Journal of Chromatography. 1218:7039-7050.
The 47th annual Florida pesticide residue workshop - (Proceedings)
Lehotay, S.J., Cochran, J. 2011. The 47th annual Florida pesticide residue workshop. Journal of Agricultural and Food Chemistry. 59:7535-7535.
Partners in research exceed the sum of the parts: partners > parts - (Trade Journal)
Lehotay, S.J. 2011. Partners in research exceed the sum of the parts: partners > parts. Inside Laboratory Management. 15(3):11.
Last Modified: 7/30/2016
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