Brett J Vanderford

Summary

Publications

  1. ncbi request reprint Analysis of endocrine disruptors, pharmaceuticals, and personal care products in water using liquid chromatography/tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, 243 Lakeshore Road, Boulder City, Nevada 89005, USA
    Anal Chem 75:6265-74. 2003
  2. doi request reprint On-line solid phase extraction LC-MS/MS analysis of pharmaceutical indicators in water: a green alternative to conventional methods
    Rebecca A Trenholm
    Water Quality Research and Development Department, Southern Nevada Water Authority, Henderson, NV 89015, USA
    Talanta 79:1425-32. 2009
  3. ncbi request reprint Pharmaceuticals and endocrine disrupting compounds in U.S. drinking water
    Mark J Benotti
    Applied Research and Development Center, Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Environ Sci Technol 43:597-603. 2009
  4. doi request reprint Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
  5. doi request reprint Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
  6. doi request reprint Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
  7. ncbi request reprint Analysis of p-chlorobenzoic acid in water by liquid chromatography-tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, Henderson, NV 89015, USA
    J Chromatogr A 1164:219-23. 2007
  8. ncbi request reprint Analysis of pharmaceuticals in water by isotope dilution liquid chromatography/tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, 1350 Richard Bunker Avenue, Henderson, Nevada 89015, USA
    Environ Sci Technol 40:7312-20. 2006
  9. ncbi request reprint Broad range analysis of endocrine disruptors and pharmaceuticals using gas chromatography and liquid chromatography tandem mass spectrometry
    Rebecca A Trenholm
    Water Quality Research and Development Department, Southern Nevada Water Authority, 1350 Richard Bunker Avenue, Henderson, NV 89015, USA
    Chemosphere 65:1990-8. 2006
  10. doi request reprint Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011

Detail Information

Publications14

  1. ncbi request reprint Analysis of endocrine disruptors, pharmaceuticals, and personal care products in water using liquid chromatography/tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, 243 Lakeshore Road, Boulder City, Nevada 89005, USA
    Anal Chem 75:6265-74. 2003
    ..Matrix effects from waters with a high content of treated municipal effluent were observed in both ESI modes and are discussed in the paper...
  2. doi request reprint On-line solid phase extraction LC-MS/MS analysis of pharmaceutical indicators in water: a green alternative to conventional methods
    Rebecca A Trenholm
    Water Quality Research and Development Department, Southern Nevada Water Authority, Henderson, NV 89015, USA
    Talanta 79:1425-32. 2009
    ....
  3. ncbi request reprint Pharmaceuticals and endocrine disrupting compounds in U.S. drinking water
    Mark J Benotti
    Applied Research and Development Center, Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Environ Sci Technol 43:597-603. 2009
    ..Atenolol, atrazine, DEET, estrone, meprobamate, and trimethoprim can serve as indicator compounds representing potential contamination from other pharmaceuticals and EDCs and can gauge the efficacy of treatment processes...
  4. doi request reprint Assessment of sample preservation techniques for pharmaceuticals, personal care products, and steroids in surface and drinking water
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    Anal Bioanal Chem 399:2227-34. 2011
    ..Results suggest that if improper protocols are utilized, reported concentrations of target PPCPs and steroids may be inaccurate...
  5. doi request reprint Characterization of fulvic acids by liquid chromatography-quadrupole time-of-flight mass spectrometry
    Douglas B Mawhinney
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, NV 89193 9954, USA
    J Chromatogr A 1216:1319-24. 2009
    ..Lastly, the analysis of even and odd mass (at m/z 1 greater) ion intensity ratios revealed a correlation to the percent nitrogen of the various standards...
  6. doi request reprint Real-time detection and identification of aqueous chlorine transformation products using QTOF MS
    Brett J Vanderford
    Southern Nevada Water Authority, P O Box 99954, Las Vegas, Nevada 89193 9954, USA
    Anal Chem 80:4193-9. 2008
    ..Atorvastatin underwent hydroxylation to form two transformation products with the empirical formulas C33H34FN2O6 (1.8 ppm mass error) and C26H29O5NF (2.9 ppm mass error)...
  7. ncbi request reprint Analysis of p-chlorobenzoic acid in water by liquid chromatography-tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, Henderson, NV 89015, USA
    J Chromatogr A 1164:219-23. 2007
    ..Duplicate samples were analyzed by LC-MS/MS and LC-UV and results were found to be comparable at concentrations quantifiable by both methods...
  8. ncbi request reprint Analysis of pharmaceuticals in water by isotope dilution liquid chromatography/tandem mass spectrometry
    Brett J Vanderford
    Southern Nevada Water Authority, 1350 Richard Bunker Avenue, Henderson, Nevada 89015, USA
    Environ Sci Technol 40:7312-20. 2006
    ..The method reporting limits for all compounds were between 0.25 and 1.0 ng/L, based on 500 mL of sample extracted and a final extract volume of 500 microL. Occurrence of the compounds in all five matrices is also reported...
  9. ncbi request reprint Broad range analysis of endocrine disruptors and pharmaceuticals using gas chromatography and liquid chromatography tandem mass spectrometry
    Rebecca A Trenholm
    Water Quality Research and Development Department, Southern Nevada Water Authority, 1350 Richard Bunker Avenue, Henderson, NV 89015, USA
    Chemosphere 65:1990-8. 2006
    ..Instrument detection limits ranged between 0.12-7.5 pg with corresponding method reporting limits of 1-10 ng l(-1) in water. Recoveries for most compounds were between 50% and 112% with good reproducibility (RSD 6-22%)...
  10. doi request reprint Artificial sweetener sucralose in U.S. drinking water systems
    Douglas B Mawhinney
    Southern Nevada Water Authority, Las Vegas, Nevada 89193, USA
    Environ Sci Technol 45:8716-22. 2011
    ..e., tap) water, as well as an indicator compound for the presence of other recalcitrant compounds in finished drinking water in the U.S...
  11. doi request reprint Determination of household chemicals using gas chromatography and liquid chromatography with tandem mass spectrometry
    Rebecca A Trenholm
    Applied Research and Development Center, Water Quality Research and Development Division, Southern Nevada Water Authority, 1350 Richard Bunker Road, Henderson, NV 89015, USA
    J Chromatogr A 1190:253-62. 2008
    ..MGK-11, methylresorcinol, trifluralin, hexabromododecane, acriflavin and atrazine were not detected in any samples. The method described here detects a broad range of HPV chemicals with great sensitivity and selectivity...
  12. ncbi request reprint Trace analysis of bromate, chlorate, iodate, and perchlorate in natural and bottled waters
    Shane A Snyder
    Water Quality Research and Development Department, Southern Nevada Water Authority, 1350 Richard Bunker Avenue, Henderson, Nevada 89015, USA
    Environ Sci Technol 39:4586-93. 2005
    ..From the limited data set provided here, it appears that perchlorate is a ubiquitous contaminant of natural waters at trace levels...
  13. ncbi request reprint Two new methods of synthesis for the perbromate ion: chemistry and determination by LC-MS/MS
    Aleksey N Pisarenko
    Southern Nevada Water Authority, Applied Research and Development Center, P O Box 99954, Las Vegas, Nevada 89193, USA
    Inorg Chem 50:8691-3. 2011
    ..Furthermore, it was discovered that the perbromate ion was also formed as a result of the electrospray ionization process. Selective reduction of the bromate ion prior to analysis was used to confirm the two formation pathways...
  14. ncbi request reprint Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and waste waters
    Sang D Kim
    Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology, 1 Oryong dong, Buk Gu, Gwangju 500 712, South Korea
    Water Res 41:1013-21. 2007
    ..g., acetaminophen, ibuprofen, and caffeine). Membrane filtration processes using reverse osmosis (RO) and nanofiltration (NF) showed excellent removal (>95%) for all target analytes...