Colorado PROFILES, The Colorado Clinical and Translational Sciences Institute (CCTSI)
Keywords
Last Name
Institution
Menu

Contact Us
If you have any questions or feedback please contact us.
 Back to Details

Connection

Uwe Christians to Tandem Mass Spectrometry

This is a "connection" page, showing publications Uwe Christians has written about Tandem Mass Spectrometry.

 
Connection Strength
  
 
 
5.441
  
  1. Klepacki J, Davari B, Boulet M, Lizarraga R, Christians U. A High-throughput HPLC-MS/MS Assay for the Detection, Quantification and Simultaneous Structural Confirmation of 136 Drugs and Metabolites in Human Urine. Ther Drug Monit. 2017 10; 39(5):565-574.
    View in: PubMed
    Score: 0.445
  2. Klepacki J, Klawitter J, Klawitter J, Karimpour-Fard A, Thurman J, Ingle G, Patel D, Christians U. Amino acids in a targeted versus a non-targeted metabolomics LC-MS/MS assay. Are the results consistent? Clin Biochem. 2016 Sep; 49(13-14):955-61.
    View in: PubMed
    Score: 0.406
  3. Klepacki J, Klawitter J, Klawitter J, Thurman JM, Christians U. A high-performance liquid chromatography-tandem mass spectrometry-based targeted metabolomics kidney dysfunction marker panel in human urine. Clin Chim Acta. 2015 Jun 15; 446:43-53.
    View in: PubMed
    Score: 0.375
  4. Pian P, Labovitz E, Hoffman K, Clavijo CF, Rzasa Lynn R, Galinkin JL, Vinks AA, Malik P, Christians U. Quantification of the 5-lipoxygenase inhibitor zileuton in human plasma using high performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2013 Oct 15; 937:79-83.
    View in: PubMed
    Score: 0.335
  5. Taylor RR, Hoffman KL, Schniedewind B, Clavijo C, Galinkin JL, Christians U. Comparison of the quantification of acetaminophen in plasma, cerebrospinal fluid and dried blood spots using high-performance liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal. 2013 Sep; 83:1-9.
    View in: PubMed
    Score: 0.326
  6. Klawitter J, Haschke M, Shokati T, Klawitter J, Christians U. Quantification of 15-F2t-isoprostane in human plasma and urine: results from enzyme-linked immunoassay and liquid chromatography/tandem mass spectrometry cannot be compared. Rapid Commun Mass Spectrom. 2011 Feb 28; 25(4):463-8.
    View in: PubMed
    Score: 0.282
  7. Klawitter J, Zhang YL, Klawitter J, Anderson N, Serkova NJ, Christians U. Development and validation of a sensitive assay for the quantification of imatinib using LC/LC-MS/MS in human whole blood and cell culture. Biomed Chromatogr. 2009 Dec; 23(12):1251-8.
    View in: PubMed
    Score: 0.258
  8. Clavijo C, Bendrick-Peart J, Zhang YL, Johnson G, Gasparic A, Christians U. An automated, highly sensitive LC-MS/MS assay for the quantification of the opiate antagonist naltrexone and its major metabolite 6beta-naltrexol in dog and human plasma. J Chromatogr B Analyt Technol Biomed Life Sci. 2008 Oct 15; 874(1-2):33-41.
    View in: PubMed
    Score: 0.237
  9. Boernsen KO, Egge-Jacobsen W, Inverardi B, Strom T, Streit F, Schiebel HM, Benet LZ, Christians U. Assessment and validation of the MS/MS fragmentation patterns of the macrolide immunosuppressant everolimus. J Mass Spectrom. 2007 Jun; 42(6):793-802.
    View in: PubMed
    Score: 0.217
  10. Ng KY, Zhou H, Zhang YL, Hybertson B, Randolph T, Christians U. Quantification of isoniazid and acetylisoniazid in rat plasma and alveolar macrophages by liquid chromatography-tandem mass spectrometry with on-line extraction. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Mar 01; 847(2):188-98.
    View in: PubMed
    Score: 0.208
  11. Sempio C, Campos-Palomino J, Klawitter J, Zhao W, Huestis MA, Christians U, Klawitter J. Quantification of 11 kratom alkaloids including mitragynine and its main metabolites in human plasma using LC-MS/MS. Anal Bioanal Chem. 2025 Feb; 417(4):761-769.
    View in: PubMed
    Score: 0.183
  12. Helmke SM, McRae MP, Christians U, Shokati T, Everson GT. A Validated LC-MS/MS Assay for the Quantification of Cholate Isotopes in Human Serum. J Appl Lab Med. 2024 Nov 04; 9(6):1028-1039.
    View in: PubMed
    Score: 0.182
  13. Sempio C, Campos-Palomino J, Klawitter J, Harrison A, Peters EN, MacNair L, Haghdoost M, Bonn-Miller M, Babalonis S, Huestis MA, Christians U, Klawitter J. LC-MS-MS quantification of ?8-THC, ?9-THC, THCV isomers and their main metabolites in human plasma. J Anal Toxicol. 2024 Aug 21; 48(7):499-506.
    View in: PubMed
    Score: 0.179
  14. Mayne G, De Bloois E, Dabelea D, Christians U. Development and validation of an LC-MS/MS assay for the quantification of allopregnanolone and its progesterone-derived isomers, precursors, and cortisol/cortisone in pregnancy. Anal Bioanal Chem. 2021 Sep; 413(21):5427-5438.
    View in: PubMed
    Score: 0.145
  15. Schniedewind B, Meyer EJ, Christians U. Long-Term Performance of Laboratory-Developed Liquid Chromatography-Tandem Mass Spectrometry Tests and a Food and Drug Administration-Approved Immunoassay for the Therapeutic Drug Monitoring of Everolimus. Ther Drug Monit. 2020 06; 42(3):421-426.
    View in: PubMed
    Score: 0.134
  16. Davari B, Kotecha N, Clavijo CF, Thomas JJ, Rzasa-Lynn R, Galinkin JL, Christians U, Sempio C. A Sensitive LC-MS/MS Assay for the Quantification of Methadone and its Metabolites in Dried Blood Spots: Comparison With Plasma. Ther Drug Monit. 2020 02; 42(1):118-128.
    View in: PubMed
    Score: 0.131
  17. Klawitter J, Klawitter J, Pennington A, Kirkpatrick B, Roda G, Kotecha NC, Thurman JM, Christians U. Cyclophilin D knockout protects the mouse kidney against cyclosporin A-induced oxidative stress. Am J Physiol Renal Physiol. 2019 09 01; 317(3):F683-F694.
    View in: PubMed
    Score: 0.125
  18. Davidson JA, Pfeifer Z, Frank B, Tong S, Urban TT, Wischmeyer PA, Mourani P, Landeck B, Christians U, Klawitter J. Metabolomic Fingerprinting of Infants Undergoing Cardiopulmonary Bypass: Changes in Metabolic Pathways and Association With Mortality and Cardiac Intensive Care Unit Length of Stay. J Am Heart Assoc. 2018 12 18; 7(24):e010711.
    View in: PubMed
    Score: 0.121
  19. Bittersohl H, Schniedewind B, Christians U, Luppa PB. A simple and highly sensitive on-line column extraction liquid chromatography-tandem mass spectrometry method for the determination of protein-unbound tacrolimus in human plasma samples. J Chromatogr A. 2018 Apr 27; 1547:45-52.
    View in: PubMed
    Score: 0.115
  20. Klawitter J, Sempio C, M?rlein S, De Bloois E, Klepacki J, Henthorn T, Leehey MA, Hoffenberg EJ, Knupp K, Wang GS, Hopfer C, Kinney G, Bowler R, Foreman N, Galinkin J, Christians U, Klawitter J. An Atmospheric Pressure Chemical Ionization MS/MS Assay Using Online Extraction for the Analysis of 11 Cannabinoids and Metabolites in Human Plasma and Urine. Ther Drug Monit. 2017 10; 39(5):556-564.
    View in: PubMed
    Score: 0.111
  21. F?ste CK, Moen A, Schniedewind B, Haug Anonsen J, Klawitter J, Christians U. Development of liquid chromatography-tandem mass spectrometry methods for the quantitation of Anisakis simplex proteins in fish. J Chromatogr A. 2016 Feb 05; 1432:58-72.
    View in: PubMed
    Score: 0.099
  22. Christians U, Vinks AA, Langman LJ, Clarke W, Wallemacq P, van Gelder T, Renjen V, Marquet P, Meyer EJ. Impact of Laboratory Practices on Interlaboratory Variability in Therapeutic Drug Monitoring of Immunosuppressive Drugs. Ther Drug Monit. 2015 Dec; 37(6):718-24.
    View in: PubMed
    Score: 0.098
  23. Shokati T, Bodenberger N, Gadpaille H, Schniedewind B, Vinks AA, Jiang W, Alloway RR, Christians U. Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS. J Vis Exp. 2015 Nov 08; (105):e52424.
    View in: PubMed
    Score: 0.097
  24. Klepacki J, Klawitter J, Bendrick-Peart J, Schniedewind B, Heischmann S, Shokati T, Christians U, Klawitter J. A high-throughput U-HPLC-MS/MS assay for the quantification of mycophenolic acid and its major metabolites mycophenolic acid glucuronide and mycophenolic acid acyl-glucuronide in human plasma and urine. J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Feb 01; 883-884:113-9.
    View in: PubMed
    Score: 0.073
  25. Clavijo CF, Hoffman KL, Thomas JJ, Carvalho B, Chu LF, Drover DR, Hammer GB, Christians U, Galinkin JL. A sensitive assay for the quantification of morphine and its active metabolites in human plasma and dried blood spots using high-performance liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem. 2011 May; 400(3):715-28.
    View in: PubMed
    Score: 0.071
  26. Steudel W, Dingmann C, Zhang YL, Bendrick-Peart J, Clavijo C, Shulze J, Betts R, Christians U. Randomized, double-blind, placebo-controlled, single intravenous dose-escalation study to evaluate the safety, tolerability, and pharmacokinetics of the novel coronary smooth muscle cell proliferation inhibitor Biolimus A9 in healthy individuals. J Clin Pharmacol. 2011 Jan; 51(1):29-39.
    View in: PubMed
    Score: 0.066
  27. Clavijo C, Strom T, Moll V, Betts R, Zhang YL, Christians U, Bendrick-Peart J. Development and validation of a semi-automated assay for the highly sensitive quantification of Biolimus A9 in human whole blood using high-performance liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2009 Nov 01; 877(29):3506-14.
    View in: PubMed
    Score: 0.063
  28. Filler G, Bendrick-Peart J, Strom T, Zhang YL, Johnson G, Christians U. Characterization of sirolimus metabolites in pediatric solid organ transplant recipients. Pediatr Transplant. 2009 Feb; 13(1):44-53.
    View in: PubMed
    Score: 0.058
  29. Mayne G, DeWitt PE, Wen J, Schniedewind B, Dabelea D, Christians U, Hurt KJ. Adiponectin and Glucocorticoids Modulate Risk for Preterm Birth: The Healthy Start Study. J Clin Endocrinol Metab. 2025 Jan 21; 110(2):523-533.
    View in: PubMed
    Score: 0.046
  30. Sempio C, Almaraz-Quinones N, Jackson M, Zhao W, Wang GS, Liu Y, Leehey M, Knupp K, Klawitter J, Christians U, Klawitter J. Simultaneous Quantification of 17 Cannabinoids by LC-MS-MS in Human Plasma. J Anal Toxicol. 2022 Apr 21; 46(4):383-392.
    View in: PubMed
    Score: 0.038
  31. Hopp K, Kleczko EK, Gitomer BY, Chonchol M, Klawitter J, Christians U, Klawitter J. Metabolic reprogramming in a slowly developing orthologous model of polycystic kidney disease. Am J Physiol Renal Physiol. 2022 03 01; 322(3):F258-F267.
    View in: PubMed
    Score: 0.037
  32. Sempio C, Wymore E, Palmer C, Bunik M, Henthorn TK, Christians U, Klawitter J. Detection of Cannabinoids by LC-MS-MS and ELISA in Breast Milk. J Anal Toxicol. 2021 Aug 14; 45(7):686-692.
    View in: PubMed
    Score: 0.036
  33. Hinckley JD, Saba L, Raymond K, Bartels K, Klawitter J, Christians U, Hopfer C. An Approach to Biomarker Discovery of Cannabis Use Utilizing Proteomic, Metabolomic, and Lipidomic Analyses. Cannabis Cannabinoid Res. 2022 02; 7(1):65-77.
    View in: PubMed
    Score: 0.034
  34. Sempio C, Lindley E, Klawitter J, Christians U, Bowler RP, Adgate JL, Allshouse W, Awdziejczyk L, Fischer S, Bainbridge J, Vandyke M, Netsanet R, Crume T, Kinney GL. Surface Detection of THC Attributable to Vaporizer Use in the Indoor Environment. Sci Rep. 2019 12 09; 9(1):18587.
    View in: PubMed
    Score: 0.032
  35. Lesche D, Sigurdardottir V, Leichtle AB, Nakas CT, Christians U, Englberger L, Fiedler M, Largiad?r CR, Mohacsi P, Sistonen J. Targeted and global pharmacometabolomics in everolimus-based immunosuppression: association of co-medication and lysophosphatidylcholines with dose requirement. Metabolomics. 2017 11 25; 14(1):3.
    View in: PubMed
    Score: 0.028
  36. Clavijo CF, Thomas JJ, Cromie M, Schniedewind B, Hoffman KL, Christians U, Galinkin JL. A low blood volume LC-MS/MS assay for the quantification of fentanyl and its major metabolites norfentanyl and despropionyl fentanyl in children. J Sep Sci. 2011 Dec; 34(24):3568-77.
    View in: PubMed
    Score: 0.018
  37. Klawitter J, Klawitter J, Kushner E, Jonscher K, Bendrick-Peart J, Leibfritz D, Christians U, Schmitz V. Association of immunosuppressant-induced protein changes in the rat kidney with changes in urine metabolite patterns: a proteo-metabonomic study. J Proteome Res. 2010 Feb 05; 9(2):865-75.
    View in: PubMed
    Score: 0.016
  38. Ostojic M, Sagic D, Jung R, Zhang YL, Nedeljkovic M, Mangovski L, Stojkovic S, Debeljacki D, Colic M, Beleslin B, Milosavljevic B, Orlic D, Topic D, Karanovic N, Paunovic D, Christians U. The pharmacokinetics of Biolimus A9 after elution from the Nobori stent in patients with coronary artery disease: the NOBORI PK study. Catheter Cardiovasc Interv. 2008 Dec 01; 72(7):901-8.
    View in: PubMed
    Score: 0.015
Connection Strength

The connection strength for concepts is the sum of the scores for each matching publication.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.

Copyright © 2025 The Regents of the University of Colorado, a body corporate. All rights reserved. (Harvard PROFILES RNS software version: 2.11.1)