Rudolf C. Johnson, Ph.D. - Publications

Affiliations: 
1999 Purdue University, West Lafayette, IN, United States 
Area:
mass spectrometric instrumentation, including miniature mass spectrometers.

30 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2016 Coleman R, Lemire SW, Bragg W, Garrett A, Ojeda-Torres G, Hamelin E, Johnson RC, Thomas J. Development and validation of a high-throughput online solid phase extraction - Liquid chromatography - Tandem mass spectrometry method for the detection of tetrodotoxin in human urine. Toxicon : Official Journal of the International Society On Toxinology. PMID 27212629 DOI: 10.1016/j.toxicon.2016.05.009  0.88
2016 Isenberg SL, Carter MD, Crow BS, Graham LA, Johnson D, Beninato N, Steele K, Thomas JD, Johnson RC. Quantification of Hydrazine in Human Urine by HPLC-MS-MS. Journal of Analytical Toxicology. PMID 26977107 DOI: 10.1093/jat/bkw015  0.88
2016 Crow BS, Quiñones-González J, Pantazides BG, Perez JW, Winkeljohn WR, Garton JW, Thomas JD, Blake TA, Johnson RC. Simultaneous Measurement of 3-Chlorotyrosine and 3,5-Dichlorotyrosine in Whole Blood, Serum and Plasma by Isotope Dilution HPLC-MS-MS. Journal of Analytical Toxicology. PMID 26977104 DOI: 10.1093/jat/bkw011  0.88
2016 Schulze ND, Hamelin EI, Winkeljohn WR, Shaner RL, Basden BJ, deCastro BR, Pantazides BG, Thomas JD, Johnson RC. Evaluation of Multiple Blood Matrices for Assessment of Human Exposure to Nerve Agents. Journal of Analytical Toxicology. PMID 26861671 DOI: 10.1093/jat/bkw003  0.88
2015 Peng H, Brimijoin S, Hrabovska A, Krejci E, Blake TA, Johnson RC, Masson P, Lockridge O. Monoclonal antibodies to human butyrylcholinesterase reactive with butyrylcholinesterase in animal plasma. Chemico-Biological Interactions. PMID 26585590 DOI: 10.1016/j.cbi.2015.11.011  0.88
2015 Peng H, Brimijoin S, Hrabovska A, Targosova K, Krejci E, Blake TA, Johnson RC, Masson P, Lockridge O. Comparison of 5 monoclonal antibodies for immunopurification of human butyrylcholinesterase on Dynabeads: KD values, binding pairs, and amino acid sequences. Chemico-Biological Interactions. 240: 336-345. PMID 26343001 DOI: 10.1016/j.cbi.2015.08.024  0.88
2015 Isenberg SL, Carter MD, Graham LA, Mathews TP, Johnson D, Thomas JD, Pirkle JL, Johnson RC. Quantification of Metabolites for Assessing Human Exposure to Soapberry Toxins Hypoglycin A and Methylenecyclopropylglycine. Chemical Research in Toxicology. 28: 1753-9. PMID 26328472 DOI: 10.1021/acs.chemrestox.5b00205  0.88
2015 Johnson D, Carter MD, Crow BS, Isenberg SL, Graham LA, Erol HA, Watson CM, Pantazides BG, van der Schans MJ, Langenberg JP, Noort D, Blake TA, Thomas JD, Johnson RC. Quantitation of ortho-cresyl phosphate adducts to butyrylcholinesterase in human serum by immunomagnetic-UHPLC-MS/MS. Journal of Mass Spectrometry : Jms. 50: 683-92. PMID 26149113 DOI: 10.1002/jms.3576  0.88
2015 Perez JW, Pantazides BG, Watson CM, Thomas JD, Blake TA, Johnson RC. Enhanced stability of blood matrices using a dried sample spot assay to measure human butyrylcholinesterase activity and nerve agent adducts. Analytical Chemistry. 87: 5723-9. PMID 25955132 DOI: 10.1021/acs.analchem.5b00893  0.88
2015 Bragg WA, Lemire SW, Coleman RM, Hamelin EI, Johnson RC. Detection of human exposure to saxitoxin and neosaxitoxin in urine by online-solid phase extraction-liquid chromatography-tandem mass spectrometry. Toxicon : Official Journal of the International Society On Toxinology. 99: 118-24. PMID 25817003 DOI: 10.1016/j.toxicon.2015.03.017  0.88
2015 Pantazides BG, Crow BS, Garton JW, Quiñones-González JA, Blake TA, Thomas JD, Johnson RC. Simplified Method for Quantifying Sulfur Mustard Adducts to Blood Proteins by Ultrahigh Pressure Liquid Chromatography-Isotope Dilution Tandem Mass Spectrometry. Chemical Research in Toxicology. PMID 25622494 DOI: 10.1021/tx500468h  0.88
2014 Crow BS, Pantazides BG, Quiñones-González J, Garton JW, Carter MD, Perez JW, Watson CM, Tomcik DJ, Crenshaw MD, Brewer BN, Riches JR, Stubbs SJ, Read RW, Evans RA, Thomas JD, ... ... Johnson RC, et al. Simultaneous measurement of tabun, sarin, soman, cyclosarin, VR, VX, and VM adducts to tyrosine in blood products by isotope dilution UHPLC-MS/MS. Analytical Chemistry. 86: 10397-405. PMID 25286390 DOI: 10.1021/ac502886c  0.88
2014 Shaner RL, Kaplan P, Hamelin EI, Bragg WA, Johnson RC. Comparison of two automated solid phase extractions for the detection of ten fentanyl analogs and metabolites in human urine using liquid chromatography tandem mass spectrometry. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 962: 52-8. PMID 24893271 DOI: 10.1016/j.jchromb.2014.05.025  0.88
2014 Hamelin EI, Schulze ND, Shaner RL, Coleman RM, Lawrence RJ, Crow BS, Jakubowski EM, Johnson RC. Quantitation of five organophosphorus nerve agent metabolites in serum using hydrophilic interaction liquid chromatography and tandem mass spectrometry. Analytical and Bioanalytical Chemistry. 406: 5195-202. PMID 24633507 DOI: 10.1007/s00216-014-7702-2  0.88
2014 Pantazides BG, Watson CM, Carter MD, Crow BS, Perez JW, Blake TA, Thomas JD, Johnson RC. An enhanced butyrylcholinesterase method to measure organophosphorus nerve agent exposure in humans. Analytical and Bioanalytical Chemistry. 406: 5187-94. PMID 24604326 DOI: 10.1007/s00216-014-7718-7  0.88
2014 Wooten JV, Pittman CT, Blake TA, Thomas JD, Devlin JJ, Higgerson RA, Johnson RC. A case of abrin toxin poisoning, confirmed via quantitation of L-abrine (N-methyl-L-tryptophan) biomarker. Journal of Medical Toxicology : Official Journal of the American College of Medical Toxicology. 10: 392-4. PMID 24522983 DOI: 10.1007/s13181-013-0377-9  0.88
2014 Andacht TM, Pantazides BG, Crow BS, Fidder A, Noort D, Thomas JD, Blake TA, Johnson RC. An enhanced throughput method for quantification of sulfur mustard adducts to human serum albumin via isotope dilution tandem mass spectrometry. Journal of Analytical Toxicology. 38: 8-15. PMID 24201816 DOI: 10.1093/jat/bkt088  0.88
2014 Carter MD, Crow BS, Pantazides BG, Watson CM, DeCastro BR, Thomas JD, Blake TA, Johnson RC. Profiling cholinesterase adduction: a high-throughput prioritization method for organophosphate exposure samples. Journal of Biomolecular Screening. 19: 325-30. PMID 23954929 DOI: 10.1177/1087057113497799  0.88
2014 Knaack JS, Hamelin EI, Magnuson M, Silvestri E, Ash D, Johnson RC. Quantitative analysis and stability of the rodenticide TETS (tetramine) in finished tap water Analytical Methods. 6: 2780-2784. DOI: 10.1039/c3ay41912f  0.88
2013 Carter MD, Crow BS, Pantazides BG, Watson CM, Thomas JD, Blake TA, Johnson RC. Direct quantitation of methyl phosphonate adducts to human serum butyrylcholinesterase by immunomagnetic-UHPLC-MS/MS. Analytical Chemistry. 85: 11106-11. PMID 24205842 DOI: 10.1021/ac4029714  0.88
2013 Hamelin EI, Bragg W, Shaner RL, Swaim LL, Johnson RC. Comparison of high-resolution and tandem mass spectrometry for the analysis of nerve agent metabolites in urine. Rapid Communications in Mass Spectrometry : Rcm. 27: 1697-704. PMID 23821563 DOI: 10.1002/rcm.6621  0.88
2013 Abney CW, Knaack JL, Ali AA, Johnson RC. Novel dual-mode immunomagnetic method for studying reactivation of nerve agent-inhibited butyrylcholinesterase. Chemical Research in Toxicology. 26: 775-82. PMID 23656164 DOI: 10.1021/tx4000717  0.88
2013 Pittman CT, Guido JM, Hamelin EI, Blake TA, Johnson RC. Analysis of a ricin biomarker, ricinine, in 989 individual human urine samples. Journal of Analytical Toxicology. 37: 237-40. PMID 23471955 DOI: 10.1093/jat/bkt010  0.88
2013 Knaack JS, Zhou Y, Magnuson M, Silvestri E, Johnson RC. Performance of a novel high throughput method for the determination of VX in drinking water samples. Analytical Chemistry. 85: 2611-6. PMID 23402290 DOI: 10.1021/ac3036102  0.88
2013 Knaack JS, Pittman CT, Wooten JV, Jacob JT, Magnuson M, Silvestri E, Johnson RC. Stability of ricinine, abrine, and alpha-amanitin in finished tap water Analytical Methods. 5: 5804-5811. DOI: 10.1039/c3ay40304a  0.88
2012 Knaack JS, Zhou Y, Abney CW, Prezioso SM, Magnuson M, Evans R, Jakubowski EM, Hardy K, Johnson RC. High-throughput immunomagnetic scavenging technique for quantitative analysis of live VX nerve agent in water, hamburger, and soil matrixes. Analytical Chemistry. 84: 10052-7. PMID 23126363 DOI: 10.1021/ac3025224  0.88
2012 Knaack JS, Zhou Y, Abney CW, Jacob JT, Prezioso SM, Hardy K, Lemire SW, Thomas J, Johnson RC. A high-throughput diagnostic method for measuring human exposure to organophosphorus nerve agents. Analytical Chemistry. 84: 9470-7. PMID 23083472 DOI: 10.1021/ac302301w  0.88
2012 Hamelin EI, Johnson RC, Osterloh JD, Howard DJ, Thomas JD. Evaluation of ricinine, a ricin biomarker, from a non-lethal castor bean ingestion. Journal of Analytical Toxicology. 36: 660-2. PMID 23014889 DOI: 10.1093/jat/bks077  0.88
2000 Johnson RC, Cooks RG, Allen TM, Cisper ME, Hemberger PH. Membrane introduction mass spectrometry: trends and applications. Mass Spectrometry Reviews. 19: 1-37. PMID 10715830 DOI: 10.1002/(SICI)1098-2787(2000)19:1<1::AID-MAS1>3.0.CO;2-Y  0.88
1998 Badman ER, Johnson RC, Plass WR, Cooks RG. A miniature cylindrical quadrupole ion trap:  simulation and experiment. Analytical Chemistry. 70: 4896-901. PMID 21644672 DOI: 10.1021/ac980908w  0.88
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