Kayoko Kato

Summary

Affiliation: Centers for Disease Control and Prevention
Country: USA

Publications

  1. doi request reprint Effect of temperature and duration of storage on the stability of polyfluoroalkyl chemicals in human serum
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Chemosphere 91:115-7. 2013
  2. doi request reprint Improved selectivity for the analysis of maternal serum and cord serum for polyfluoroalkyl chemicals
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA Tel
    J Chromatogr A 1218:2133-7. 2011
  3. pmc Mono(2-ethyl-5-hydroxyhexyl) phthalate and mono-(2-ethyl-5-oxohexyl) phthalate as biomarkers for human exposure assessment to di-(2-ethylhexyl) phthalate
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA
    Environ Health Perspect 112:327-30. 2004
  4. ncbi request reprint Glucuronidation patterns of common urinary and serum monoester phthalate metabolites
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Mailstop F17, Atlanta, GA 30341, USA
    Arch Toxicol 77:561-7. 2003
  5. ncbi request reprint Urinary biomarkers of di-isononyl phthalate in rats
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Toxicology 223:101-12. 2006
  6. doi request reprint Trends in exposure to polyfluoroalkyl chemicals in the U.S. Population: 1999-2008
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, United States
    Environ Sci Technol 45:8037-45. 2011
  7. doi request reprint Exposure to polyfluoroalkyl chemicals during pregnancy is not associated with offspring age at menarche in a contemporary British cohort
    Krista Yorita Christensen
    Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, USA
    Environ Int 37:129-35. 2011
  8. ncbi request reprint Quantifying phthalate metabolites in human meconium and semen using automated off-line solid-phase extraction coupled with on-line SPE and isotope-dilution high-performance liquid chromatography--tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Anal Chem 78:6651-5. 2006
  9. ncbi request reprint Urinary metabolites of diisodecyl phthalate in rats
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Toxicology 236:114-22. 2007
  10. ncbi request reprint Quantitative detection of nine phthalate metabolites in human serum using reversed-phase high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    J Anal Toxicol 27:284-9. 2003

Collaborators

Detail Information

Publications19

  1. doi request reprint Effect of temperature and duration of storage on the stability of polyfluoroalkyl chemicals in human serum
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Chemosphere 91:115-7. 2013
    ..Concentrations of the target analytes remained unchanged under all studied conditions, even when serum was kept at room temperature for 10 days...
  2. doi request reprint Improved selectivity for the analysis of maternal serum and cord serum for polyfluoroalkyl chemicals
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA Tel
    J Chromatogr A 1218:2133-7. 2011
    ..1 ng/mL except for PFOS (0.2 ng/mL)) than our previous method that used methanol for the HPLC separation. The present method should improve the precise and selective analysis of maternal and cord serum for PFCs...
  3. pmc Mono(2-ethyl-5-hydroxyhexyl) phthalate and mono-(2-ethyl-5-oxohexyl) phthalate as biomarkers for human exposure assessment to di-(2-ethylhexyl) phthalate
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA
    Environ Health Perspect 112:327-30. 2004
    ....
  4. ncbi request reprint Glucuronidation patterns of common urinary and serum monoester phthalate metabolites
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Mailstop F17, Atlanta, GA 30341, USA
    Arch Toxicol 77:561-7. 2003
    ..Serum mBzP was largely below the method limit of detection. Interestingly, the serum mEP and mBP levels were less than 3% and 47%, respectively, of their urinary levels, whereas the level of mEHP was similar both in urine and serum...
  5. ncbi request reprint Urinary biomarkers of di-isononyl phthalate in rats
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Toxicology 223:101-12. 2006
    ....
  6. doi request reprint Trends in exposure to polyfluoroalkyl chemicals in the U.S. Population: 1999-2008
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, United States
    Environ Sci Technol 45:8037-45. 2011
    ..Nonetheless, these NHANES data suggest that sociodemographic factors may influence exposure and also provide unique information on temporal trends of exposure...
  7. doi request reprint Exposure to polyfluoroalkyl chemicals during pregnancy is not associated with offspring age at menarche in a contemporary British cohort
    Krista Yorita Christensen
    Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, USA
    Environ Int 37:129-35. 2011
    ..We used data from the Avon Longitudinal Study of Parents and Children (ALSPAC) in the United Kingdom to conduct a nested case-control study examining the association between age at menarche, and exposure to PFCs during pregnancy...
  8. ncbi request reprint Quantifying phthalate metabolites in human meconium and semen using automated off-line solid-phase extraction coupled with on-line SPE and isotope-dilution high-performance liquid chromatography--tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Anal Chem 78:6651-5. 2006
    ....
  9. ncbi request reprint Urinary metabolites of diisodecyl phthalate in rats
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Toxicology 236:114-22. 2007
    ..Additional research on the toxicokinetics of these metabolites is needed to understand the extent of human exposure to DiDP from the urinary concentrations of MCiNP and other DiDP secondary metabolites...
  10. ncbi request reprint Quantitative detection of nine phthalate metabolites in human serum using reversed-phase high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    J Anal Toxicol 27:284-9. 2003
    ..In addition, it allows the direct measurement of the active phthalate monoester metabolites reportedly responsible for the reproductive and developmental toxicity of certain phthalates...
  11. ncbi request reprint Determination of 16 phthalate metabolites in urine using automated sample preparation and on-line preconcentration/high-performance liquid chromatography/tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, Mailstop F17, Atlanta, Georgia 30341, USA
    Anal Chem 77:2985-91. 2005
    ....
  12. ncbi request reprint Urinary metabolites of di-n-octyl phthalate in rats
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Mailstop F17, 4770 Buford Hwy NE, Atlanta, GA 30341, USA
    Toxicology 210:123-33. 2005
    ..We also studied the in vitro metabolism of DnOP and MnOP by rat liver microsomes. DnOP produced MnOP, MHOP, and PA in vitro whereas, MnOP produced MHOP and PA in vitro at detectable levels...
  13. ncbi request reprint Determination of total phthalates in urine by isotope-dilution liquid chromatography-tandem mass spectrometry
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    J Chromatogr B Analyt Technol Biomed Life Sci 814:355-60. 2005
    ..The present method accurately assesses total exposure to phthalates without noticeable contamination from the ubiquitous phthalates in the environment, but it gives no information about the parent phthalate...
  14. ncbi request reprint Polyfluoroalkyl compounds in pooled sera from children participating in the National Health and Nutrition Examination Survey 2001-2002
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
    Environ Sci Technol 43:2641-7. 2009
    ..Nevertheless,these findings suggestthat human exposure to PFCs among the population groups of children examined may differ and stress the importance of identifying the environmental sources and routes of exposure to PFCs...
  15. doi request reprint Polyfluoroalkyl chemicals in house dust
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, Mailstop F53, Atlanta, GA 30341, USA
    Environ Res 109:518-23. 2009
    ..We detected PFOS, PFBuS, and PFHxS at the highest median concentration, followed by Et-PFOSA-AcOH and Me-PFOSA-EtOH...
  16. doi request reprint Analysis of blood spots for polyfluoroalkyl chemicals
    Kayoko Kato
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Anal Chim Acta 656:51-5. 2009
    ....
  17. ncbi request reprint Improved quantitative detection of 11 urinary phthalate metabolites in humans using liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry
    Manori J Silva
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy NE, Mailstop F17, Atlanta, GA 30341 3724, USA
    J Chromatogr B Analyt Technol Biomed Life Sci 789:393-404. 2003
    ....
  18. doi request reprint Reductions in serum lipids with a 4-year decline in serum perfluorooctanoic acid and perfluorooctanesulfonic acid
    Nicola Fitz-Simon
    Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, London, United Kingdom
    Epidemiology 24:569-76. 2013
    ..A longitudinal study should be less susceptible to biases from uncontrolled confounding or reverse causality...
  19. pmc Assessing human exposure to phthalates using monoesters and their oxidized metabolites as biomarkers
    Dana B Barr
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Environ Health Perspect 111:1148-51. 2003
    ....