Recent Publications of Dr. Diana Aga
(2004-Present)

1. Mojica, E.E.; Kim, S.; *Aga, D.S. Formation of N-ethylmaleimide (NEM)-glutathione conjugate and N-ethylmaleamic acid revealed by mass spectral characterization of intracellular and extracellular microbial metabolites of NEM, Applied Environmental Microbiology, 2008, 74, 323-326.
2. Farkas, M.H.; Berry, J.O.; *Aga, D.S. Determination of enzyme kinetics and glutathione conjugates of chlortetracycline and chloroacetanilides using liquid chromatography/mass spectrometry, Analyst, 2007, 132, 664-671. [Featured in the Inside Cover of the Journal].
3. O’Connor, S.; *Aga, D.S. Analysis of tetracycline antibiotics in soil: Advances in extraction, clean-up, and quantification, Trends in Analytical Chemistry, 2007, 26, 456-465.
4. Kim, S.; *Aga, D.S. Potential ecological and human health impacts of antibiotics and antibiotic resistant bacteria from wastewater treatment plants, Journal of Toxicology and Environmental Health, Part B, 2007, 10, 559-573.
5. Pérez, S.; McJury, B.E.; Eichhorn, P.; *Aga, D.S. Determination of the antimicrobial growth promoter moenomycin-A in chicken litter, Journal of Chromatography-A, 2007, 1175, 234-241.
6. Pérez, S.; Farkas, M.; Barcelo´, D.; *Aga, D.S. Characterization of glutathione conjugates of chloroacetanilide pesticides using ultra-performance liquid chromatography/quadrupole time-of-flight mass spectrometry and liquid chromatography/ion trap mass spectrometry, Rapid Communications in Mass Spectrometry, 2007, 21, 4017-4022.
7. O’Connor, S.; Locke, J.; *Aga, D.S. Addressing the challenges of tetracycline analysis in soil: extraction, clean-up, and matrix effects in LC-MS, Journal of Environmental Monitoring, 2007, 9, 1254-1262.
8. Henriques, I.D.S.; Aga, D.S.; Mendes, P.; O'Connor, S.K.; *Love, N.G. Metabolic footprinting: A new approach to identify physiological changes in complex microbial communities upon exposure to toxic chemicals, Environmental Science and Technology, 2007, 41, 3945-3951.
9. Batt, A.L.; Kim, S.; *Aga, D.S. Comparison of the occurrence of antibiotics in four full-scale wastewater treatment plants with varying designs and operations, Chemosphere, 2007, 68, 428-435.
10. Farkas, M.H.; Berry, J.O.; *Aga, D.S. Chlorotetracycline detoxification in maize via induction of glutathione s-transferases after antibiotic exposure, Environmental Science and Technology, 2007, 41, 1450-1456.
11. Kim, S.; Jensen, J.N.; Aga, D.S.; *Weber, A.S. Tetracycline as a selector for resistant bacteria in activated sludge, Chemosphere, 2007, 66, 1643-1651.
12. Peak, N.; Knapp, C.W.; Yang, R.K.; Hanfelt, M.M.; Smith, M.S.; Aga, D.S.; *Graham, D.W. Abundance of six tetracycline resistance genes in wastewater lagoons at cattle feedlots with different antibiotic use strategies, Environmental Microbiology, 2007, 9(1), 143-151.
13. *Kim, S.; Jensen, J.N.; Aga, D.S.; Weber, A.S. Fate of tetracycline resistant bacteria as a function of activated sludge process organic loading and growth rate, Water Science and Technology, 2007, 55, 291-297.
14. Batt, A.L.; Kim, S.; *Aga, D.S. Enhanced biodegradation of iopromide and trimethoprim in nitrifying activated sludge, Environmental Science and Technology, 2006, 40, 7367-7373.
15. Pérez, S.; Eichhorn, P.; Celiz, M.D.; *Aga, D.S. Structural characterization of the x-ray contrast agent iopromide and its metabolites in activated sludge using ion trap mass spectrometry, Analytical Chemistry, 2006, 78, 1866-1874.
16. Batt, A.L.; Snow, D.; *Aga, D.S. Occurrence of sulfonamide antimicrobials in private water wells in Washington County, Idaho, USA, Chemosphere, 2006, 64, 1963-1971.
17. *Aga, D.S. “Pharmaceutical residues in the environment”. In McGraw-Hill Yearbook of Science & Technology, D. Blumel and A. Rappaport (Eds.), McGraw-Hill Professional, New York, NY, 2006, pp. 226-230.
18. Samara, F.; Tsai, C.W.; *Aga, D.S. Determination of potential sources of PCBs and PBDEs in sediments of the Niagara River, Environmental Pollution, 2006, 139, 489-497.
19. Klein, C.; Schneider, R.J.; Meyer, M.T.; *Aga, D.S. Enantiomeric separation of metolachlor and its metabolites using LC/MS and CZE, Chemosphere, 2006, 62, 1591-1599.
20. Batt, A.L.; Bruce, I.B.; *Aga, D.S. Evaluating the vulnerability of surface waters to antibiotic contamination from varying wastewater treatment plant discharges, Environmental Pollution, 2006, 142, 295-302.
21. *Aga, D.S.; O'Connor, S.; Ensley, S.; Payero, J.O.; Snow, D.; Tarkalson, D. Determination of the persistence of tetracycline antibiotics and their degradates in manure-amended soil using enzyme-linked immunosorbent assay and liquid chromatography-mass spectrometry, Journal of Agricultural and Food Chemistry, 2005, 53, 7165-7171.
22. Batt, A.L.; *Aga, D.S. Simultaneous analysis of multiple classes of antibiotics by ion trap LC/MS/MS for assessing surface water and groundwater contamination, Analytical Chemistry, 2005, 77, 2940-2947.
23. Eichhorn, P.; Ferguson, P.L.; Pérez, S.; *Aga, D.S. Application of ion trap-MS with H/D exchange and QqTOF-MS in the identification of microbial degradates of trimethoprim in nitrifying activated sludge, Analytical Chemistry, 2005, 77, 4176-4184.
24. Eichhorn, P.; *Aga, D.S. Characterization of moenomycin antibiotics from medicated chicken feed by ion-trap mass spectrometry with electrospray ionization, Rapid Communications in Mass Spectrometry, 2005, 19, 2179-2186.
25. Kim, S.; Eichhorn, P.; Jensen, J.N.; Weber, A.S.; *Aga, D.S. Removal of antibiotics in wastewater: effect of hydraulic and solid retention times on the fate of tetracycline in the activated sludge process, Environmental Science and Technology, 2005, 39, 5816-5823.
26. Pérez, S.; Eichhorn, P.; *Aga, D.S. Evaluating the biodegradability of sulfamethazine, sulfamethoxazole and trimethoprim at different stages of sewage treatment, Environmental Toxicology and Chemistry, 2005, 24, 1361-1367.
27. Pérez, S.; *Aga, D.S. Recent advances in the sample preparation, liquid chromatography tandem mass spectrometric analysis and environmental fate of microcystins in water, Trends in Analytical Chemistry, 2005, 24, 658-670.
28. Eichhorn, P.; *Aga, D.S. Identification of a photooxygenation product of chlortetracycline in hog lagoons using LC/ESI-ion trap-MS and LC/ESI-time-of-flight-MS, Analytical Chemistry, 2004, 76, 6002-6011.
29. Eichhorn, P.; Pérez, S.; Bechtholt, A.; *Aga, D.S. Fragmentation studies on the antibiotic avilamycin a using ion trap mass spectrometry, Journal of Mass Spectrometry, 2004, 39, 1541-1553.
30. Kulshrestha, P.; Giese, R.F., Jr.; *Aga, D.S. Investigating the molecular interactions of oxytetracycline in clay and organic matter: insights on factors affecting its mobility in soil, Environmental Science and Technology, 2004, 38, 4097-4105.

1. Klein, C.; O’Connor, S.; Locke, J.; *Aga, D.S. Sample preparation of solid bound pharmaceuticals. In: Fate of Pharmaceuticals in the Environment and in Water Treatment Systems. CRC Press, Taylor and Francis Group, LLC, Boca Raton, Florida 33487, U.S.A, Aga (Ed). December 2007.
2. Farkas, M.H.; Berry, J.O.; *Aga, D.S. Antibiotic transformation in plants via glutathione conjugation. In: Fate of Pharmaceuticals in the Environment and in Water Treatment Systems. CRC Press, Taylor and Francis Group, LLC, Boca Raton, Florida 33487, U.S.A, Aga (Ed). December 2007.
3. Kim, S.; Weber, A.S.; Batt, A.L.; *Aga, D.S. Removal of pharmaceuticals in biological wastewater treatment plants. In: Fate of Pharmaceuticals in the Environment and in Water Treatment Systems. CRC Press, Taylor and Francis Group, LLC, Boca Raton, Florida 33487, U.S.A, Aga (Ed). December 2007.