Maria Ospina

Summary

Affiliation: Centers for Disease Control and Prevention
Country: USA

Publications

  1. ncbi request reprint Assessment of the relation between biomarkers for smoking and biomarkers for acrylamide exposure in humans
    Hubert W Vesper
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, Northeast MS F 25, Atlanta, GA, USA
    Cancer Epidemiol Biomarkers Prev 16:2471-8. 2007
  2. doi request reprint Characterization of N-terminal formaldehyde adducts to hemoglobin
    Maria Ospina
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Rapid Commun Mass Spectrom 25:1043-50. 2011
  3. ncbi request reprint LC/MS/MS method for the analysis of acrylamide and glycidamide hemoglobin adducts
    Maria Ospina
    National Center for Environmental Health, Center for Disease Control and Prevention, 477 Buford Highway, MS F25, Atlanta, GA 30341, USA
    Adv Exp Med Biol 561:97-107. 2005
  4. ncbi request reprint Pilot study on the impact of potato chips consumption on biomarkers of acrylamide exposure
    Hubert W Vesper
    National Center for Environmental Health, Centers for Disease Control and Prevention, 477 Buford Hwy NE MS F25, Atlanta, GA 30341, USA
    Adv Exp Med Biol 561:89-96. 2005
  5. ncbi request reprint Automated method for measuring globin adducts of acrylamide and glycidamide at optimized Edman reaction conditions
    Hubert W Vesper
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, NE MS F 25, USA
    Rapid Commun Mass Spectrom 20:959-64. 2006
  6. ncbi request reprint Identification of biomarkers of whole Coxiella burnetii phase I by MALDI-TOF mass spectrometry
    Edward I Shaw
    Division of Viral and Rickettsial Diseases, National Center for Infectious Diseases, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Anal Chem 76:4017-22. 2004
  7. ncbi request reprint Analysis of four human microsporidian isolates by MALDI-TOF mass spectrometry
    Hercules Moura
    Atlanta Research and Education Foundation, Rio de Janeiro, Brazil
    J Eukaryot Microbiol 50:156-63. 2003
  8. ncbi request reprint Quantification of ricinine in rat and human urine: a biomarker for ricin exposure
    Rudolph C Johnson
    Division of Laboratory Sciences, Centers for Disease Control and Prevention, 4770 Buford Highway, Mailstop F47, Atlanta, Georgia 3034, USA
    J Anal Toxicol 29:149-55. 2005
  9. ncbi request reprint Quantitation of the sulfur mustard metabolites 1,1'-sulfonylbis[2-(methylthio)ethane] and thiodiglycol in urine using isotope-dilution Gas chromatography-tandem mass spectrometry
    Anne E Boyer
    Centers for Disease Control and Prevention, National Center for Environmental Health, Atlanta, Georgia 30341, USA
    J Anal Toxicol 28:327-32. 2004
  10. ncbi request reprint Validation by a mass spectrometric reference method of use of boronate affinity chromatography to measure glycohemoglobin in the presence of hemoglobin S and C traits
    Randie R Little
    University of Missouri Columbia School of Medicine, Department of Pathology and Anatomical Sciences, Columbia, MO 65212, USA
    Clin Chem 51:264-5. 2005

Collaborators

Detail Information

Publications11

  1. ncbi request reprint Assessment of the relation between biomarkers for smoking and biomarkers for acrylamide exposure in humans
    Hubert W Vesper
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway, Northeast MS F 25, Atlanta, GA, USA
    Cancer Epidemiol Biomarkers Prev 16:2471-8. 2007
    ..The findings suggest that tobacco smoke exposure in individuals with PC values of <1 ng/mL has only a minimal effect on HbAA and HbGA...
  2. doi request reprint Characterization of N-terminal formaldehyde adducts to hemoglobin
    Maria Ospina
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341, USA
    Rapid Commun Mass Spectrom 25:1043-50. 2011
    ..These peptides are suitable for use as calibrators for the quantitative assessment of internal exposure to FA...
  3. ncbi request reprint LC/MS/MS method for the analysis of acrylamide and glycidamide hemoglobin adducts
    Maria Ospina
    National Center for Environmental Health, Center for Disease Control and Prevention, 477 Buford Highway, MS F25, Atlanta, GA 30341, USA
    Adv Exp Med Biol 561:97-107. 2005
    ..The method is performed on an automated liquid handling and SPE system. It provides good sensitivity in the low-exposure range as assessed in pooled samples and enables differentiation between smokers and non smokers...
  4. ncbi request reprint Pilot study on the impact of potato chips consumption on biomarkers of acrylamide exposure
    Hubert W Vesper
    National Center for Environmental Health, Centers for Disease Control and Prevention, 477 Buford Hwy NE MS F25, Atlanta, GA 30341, USA
    Adv Exp Med Biol 561:89-96. 2005
    ..However, because of the design of this pilot study, the observed magnitude of change cannot be. generalized and needs to be confirmed in the main study...
  5. ncbi request reprint Automated method for measuring globin adducts of acrylamide and glycidamide at optimized Edman reaction conditions
    Hubert W Vesper
    Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, NE MS F 25, USA
    Rapid Commun Mass Spectrom 20:959-64. 2006
    ..The GA-Hb/AA-Hb ratio decreases significantly with increasing AA-Hb values indicating that measurement of AA-Hb as well as GA-Hb are needed to appropriately assess human exposure to acrylamide...
  6. ncbi request reprint Identification of biomarkers of whole Coxiella burnetii phase I by MALDI-TOF mass spectrometry
    Edward I Shaw
    Division of Viral and Rickettsial Diseases, National Center for Infectious Diseases, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA
    Anal Chem 76:4017-22. 2004
    ..burnetii isolates, especially when coupled with antigen capture techniques. The method also has potential for several applications in basic microbial research, including regulation of gene expression...
  7. ncbi request reprint Analysis of four human microsporidian isolates by MALDI-TOF mass spectrometry
    Hercules Moura
    Atlanta Research and Education Foundation, Rio de Janeiro, Brazil
    J Eukaryot Microbiol 50:156-63. 2003
    ..MALDI-TOF MS analysis of whole organisms is a rapid, sensitive, and specific option to characterize microsporidian isolates and has the potential for several applications in parasitology...
  8. ncbi request reprint Quantification of ricinine in rat and human urine: a biomarker for ricin exposure
    Rudolph C Johnson
    Division of Laboratory Sciences, Centers for Disease Control and Prevention, 4770 Buford Highway, Mailstop F47, Atlanta, Georgia 3034, USA
    J Anal Toxicol 29:149-55. 2005
    ..These studies show that ricinine can be measured in rat urine at least 48 h after exposure. Ricinine is present in crude preparations of ricin, and it can be found in human urine after a lethal exposure to ricin...
  9. ncbi request reprint Quantitation of the sulfur mustard metabolites 1,1'-sulfonylbis[2-(methylthio)ethane] and thiodiglycol in urine using isotope-dilution Gas chromatography-tandem mass spectrometry
    Anne E Boyer
    Centers for Disease Control and Prevention, National Center for Environmental Health, Atlanta, Georgia 30341, USA
    J Anal Toxicol 28:327-32. 2004
    ..The geometric mean concentration of TDG was 3.43 ng/mL, with concentrations ranging from < 0.5 ng/mL to 20 ng/mL...
  10. ncbi request reprint Validation by a mass spectrometric reference method of use of boronate affinity chromatography to measure glycohemoglobin in the presence of hemoglobin S and C traits
    Randie R Little
    University of Missouri Columbia School of Medicine, Department of Pathology and Anatomical Sciences, Columbia, MO 65212, USA
    Clin Chem 51:264-5. 2005
  11. ncbi request reprint Patients presenting to the emergency department: the use of other health care services and reasons for presentation
    Alice Han
    Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
    CJEM 9:428-34. 2007
    ..This study assessed the frequency and determinants of patients' efforts to access alternative care before ED presentation...