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Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences|May 7, 2010
A rubber transfer gasket to improve the throughput of liquid-liquid extraction in 96-well plates: application to vitamin D testingAndrew N Hoofnagle, Thomas J Laha, Thomas F Donaldson
Clinical Chemistry|July 20, 2011
Quantification of 1α,25-dihydroxy vitamin D by immunoextraction and liquid chromatography-tandem mass spectrometryFrederick G Strathmann, Thomas J Laha, Andrew N Hoofnagle
Clinica Chimica Acta; International Journal of Clinical Chemistry|July 12, 2014
Evaluation of matrix effects using a spike recovery approach in a dilute-and-inject liquid chromatography-tandem mass spectrometry opioid monitoring assayPatrick C Mathias, Joshua A Hayden, Thomas J Laha, et al.
American Journal of Clinical Pathology|November 1, 2006
Specific detection of anabasine, nicotine, and nicotine metabolites in urine by liquid chromatography-tandem mass spectrometryAndrew N Hoofnagle, Thomas J Laha, Petrie M Rainey, et al.
American Journal of Clinical Pathology|May 13, 2006
Quantification of serum 25-hydroxyvitamin D(2) and D(3) using HPLC-tandem mass spectrometry and examination of reference intervals for diagnosis of vitamin D deficiencyAmy K Saenger, Thomas J Laha, Deborah E Bremner, et al.
Clinical Biochemistry|September 15, 2007
Quantification of urinary 8-iso-PGF2alpha using liquid chromatography-tandem mass spectrometry and association with elevated troponin levelsAmy K Saenger, Thomas J Laha, Michael J Edenfield, et al.
Journal of Analytical Toxicology|July 27, 2012
Improved detection of opioid use in chronic pain patients through monitoring of opioid glucuronides in urineJane A Dickerson, Thomas J Laha, Monica B Pagano, et al.
Journal of Mass Spectrometry and Advances in the Clinical Lab|November 1, 2021
Development and Validation of a Novel LC-MS/MS Assay for C-Peptide in Human SerumBenjamin Y Owusu, Hannah Pflaum, Russell Garner, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences|September 10, 2022
A Second-generation opioid LC-MS/MS assay improves laboratory workflow and capacityHsuan-Chieh Liao, Thomas J Laha, Geoffrey S Baird, et al.
Clinical Chemistry|August 9, 2008
Isopropanol protein precipitation for the analysis of plasma free metanephrines by liquid chromatography-tandem mass spectrometryLuke C Marney, Thomas J Laha, Geoffrey S Baird, et al.
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