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Murray V. Johnston, Ph.D. - Publications

Affiliations: 
Chemistry University of Delaware, Newark, DE, United States 
Website:
http://www.udel.edu/chem/johnston/index.html

175 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
2021 Kerecman DE, Apsokardu MJ, Talledo SL, Taylor MS, Haugh DN, Zhang Y, Johnston MV. Online Characterization of Organic Aerosol by Condensational Growth into Aqueous Droplets Coupled with Droplet-Assisted Ionization. Analytical Chemistry. PMID 33513002 DOI: 10.1021/acs.analchem.0c03697  0.441
2020 Apsokardu MJ, Krasnomowitz JM, Jiang S, Johnston MV. Ion Formation from Rapidly Heated Aqueous Droplets by Droplet Assisted Ionization. The Journal of Physical Chemistry. A. PMID 32833452 DOI: 10.1021/Acs.Jpca.0C07101  0.34
2020 Zhang Y, Apsokardu MJ, Kerecman DE, Achtenhagen M, Johnston MV. Reaction Kinetics of Organic Aerosol Studied by Droplet Assisted Ionization: Enhanced Reactivity in Droplets Relative to Bulk Solution. Journal of the American Society For Mass Spectrometry. PMID 32469218 DOI: 10.1021/Jasms.0C00057  0.363
2019 Johnston MV, Kerecman D. Molecular Characterization of Atmospheric Organic Aerosol by Mass Spectrometry. Annual Review of Analytical Chemistry (Palo Alto, Calif.). PMID 30901261 DOI: 10.1146/Annurev-Anchem-061516-045135  0.479
2019 Tiszenkel L, Stangl C, Krasnomowitz J, Ouyang Q, Yu H, Apsokardu MJ, Johnston MV, Lee S. Temperature effects on sulfuric acid aerosol nucleation and growth: initial results from the TANGENT study Atmospheric Chemistry and Physics. 19: 8915-8929. DOI: 10.5194/Acp-19-8915-2019  0.39
2019 Krasnomowitz JM, Apsokardu MJ, Stangl CM, Tiszenkel L, Ouyang Q, Lee S, Johnston MV. Growth of Aitken mode ammonium sulfate particles by α-pinene ozonolysis Aerosol Science and Technology. 53: 406-418. DOI: 10.1080/02786826.2019.1568381  0.475
2019 Stangl CM, Krasnomowitz JM, Apsokardu MJ, Tiszenkel L, Ouyang Q, Lee S, Johnston MV. Sulfur Dioxide Modifies Aerosol Particle Formation and Growth by Ozonolysis of Monoterpenes and Isoprene Journal of Geophysical Research: Atmospheres. 124: 4800-4811. DOI: 10.1029/2018Jd030064  0.482
2018 Choi S, Johnston M, Wang GS, Huang CP. A seasonal observation on the distribution of engineered nanoparticles in municipal wastewater treatment systems exemplified by TiO and ZnO. The Science of the Total Environment. 625: 1321-1329. PMID 29996429 DOI: 10.1016/J.Scitotenv.2017.12.326  0.304
2018 Apsokardu MJ, Kerecman DE, Johnston MV. Ion Formation in Droplet Assisted Ionization. Rapid Communications in Mass Spectrometry : Rcm. PMID 29971846 DOI: 10.1002/Rcm.8227  0.343
2018 Apsokardu MJ, Johnston MV. Nanoparticle growth by particle-phase chemistry Atmospheric Chemistry and Physics. 18: 1895-1907. DOI: 10.5194/Acp-18-1895-2018  0.504
2017 Bzdek BR, DePalma JW, Johnston MV. Mechanisms of Atmospherically Relevant Cluster Growth. Accounts of Chemical Research. PMID 28700203 DOI: 10.1021/Acs.Accounts.7B00213  0.814
2017 Stangl CM, Johnston MV. Aqueous Reaction of Dicarbonyls with Ammonia as a Potential Source of Organic Nitrogen in Airborne Nanoparticles. The Journal of Physical Chemistry. A. PMID 28440646 DOI: 10.1021/Acs.Jpca.7B02464  0.385
2017 Wu Y, Johnston MV. Aerosol Formation from OH Oxidation of the Volatile Cyclic Methyl Siloxane (cVMS) Decamethylcyclopentasiloxane. Environmental Science & Technology. PMID 28333451 DOI: 10.1021/Acs.Est.7B00655  0.475
2017 Horan AJ, Apsokardu MJ, Johnston MV. Droplet Assisted Inlet Ionization for Online Analysis of Airborne Nanoparticles. Analytical Chemistry. 89: 1059-1062. PMID 28194981 DOI: 10.1021/Acs.Analchem.6B04718  0.494
2017 Tu P, Johnston MV. Particle size dependence of biogenic secondary organic aerosol molecular composition Atmospheric Chemistry and Physics. 17: 7593-7603. DOI: 10.5194/Acp-17-7593-2017  0.53
2017 Horan AJ, Krasnomowitz JM, Johnston MV. Particle size and chemical composition effects on elemental analysis with the nano aerosol mass spectrometer Aerosol Science and Technology. 51: 1135-1143. DOI: 10.1080/02786826.2017.1335390  0.52
2016 Thomas JM, He S, Larriba-Andaluz C, DePalma JW, Johnston MV, Hogan Jr CJ. Ion mobility spectrometry-mass spectrometry examination of the structures, stabilities, and extents of hydration of dimethylamine-sulfuric acid clusters. Physical Chemistry Chemical Physics : Pccp. PMID 27485283 DOI: 10.1039/C6Cp03432B  0.779
2016 Hoang K, Pophristic M, Horan AJ, Johnston MV, McEwen CN. High Sensitivity Analysis of Nanoliter Volumes of Volatile and Nonvolatile Compounds using Matrix Assisted Ionization (MAI) Mass Spectrometry. Journal of the American Society For Mass Spectrometry. PMID 27349254 DOI: 10.1007/S13361-016-1433-X  0.344
2016 Tu P, Hall WA, Johnston MV. Characterization of Highly Oxidized Molecules in Fresh and Aged Biogenic Secondary Organic Aerosol. Analytical Chemistry. PMID 27000653 DOI: 10.1021/Acs.Analchem.6B00378  0.642
2016 Wu Y, Johnston MV. Molecular Characterization of Secondary Aerosol from Oxidation of Cyclic Methylsiloxanes. Journal of the American Society For Mass Spectrometry. PMID 26729452 DOI: 10.1007/S13361-015-1300-1  0.308
2015 DePalma JW, Wang J, Wexler AS, Johnston MV. Growth of Ammonium Bisulfate Clusters by Adsorption of Oxygenated Organic Molecules. The Journal of Physical Chemistry. A. PMID 26488562 DOI: 10.1021/Acs.Jpca.5B07744  0.768
2015 DePalma JW, Bzdek BR, Ridge DP, Johnston MV. Correction to "activation barriers in the growth of molecular clusters derived from sulfuric Acid and ammonia". The Journal of Physical Chemistry. A. 119: 931-2. PMID 25611988 DOI: 10.1021/Acs.Jpca.5B00077  0.774
2014 DePalma JW, Bzdek BR, Ridge DP, Johnston MV. Activation barriers in the growth of molecular clusters derived from sulfuric acid and ammonia. The Journal of Physical Chemistry. A. 118: 11547-54. PMID 25394285 DOI: 10.1021/Jp507769B  0.797
2014 Bzdek BR, Horan AJ, Pennington MR, Janechek NJ, Baek J, Stanier CO, Johnston MV. Silicon is a frequent component of atmospheric nanoparticles. Environmental Science & Technology. 48: 11137-45. PMID 25203137 DOI: 10.1021/Es5026933  0.684
2014 DePalma JW, Doren DJ, Johnston MV. Formation and growth of molecular clusters containing sulfuric acid, water, ammonia, and dimethylamine. The Journal of Physical Chemistry. A. 118: 5464-73. PMID 24963535 DOI: 10.1021/Jp503348B  0.754
2014 Bzdek BR, Lawler MJ, Horan AJ, Pennington MR, Depalma JW, Zhao J, Smith JN, Johnston MV. Molecular constraints on particle growth during new particle formation Geophysical Research Letters. 41. DOI: 10.1002/2014Gl060160  0.814
2013 Bzdek BR, Horan AJ, Pennington MR, DePalma JW, Zhao J, Jen CN, Hanson DR, Smith JN, de McMurry PH, Johnston MV. Quantitative and time-resolved nanoparticle composition measurements during new particle formation. Faraday Discussions. 165: 25-43. PMID 24600995 DOI: 10.1039/C3Fd00039G  0.836
2013 Johnston MV, Klems JP, Zordan CA, Pennington MR, Smith JN. Selective detection and characterization of nanoparticles from motor vehicles. Research Report (Health Effects Institute). 3-45. PMID 23614271  0.827
2013 DePalma JW, Horan AJ, Hall WA, Johnston MV. Thermodynamics of oligomer formation: implications for secondary organic aerosol formation and reactivity. Physical Chemistry Chemical Physics : Pccp. 15: 6935-44. PMID 23549300 DOI: 10.1039/C3Cp44586K  0.811
2013 Kulmala M, Kontkanen J, Junninen H, Lehtipalo K, Manninen HE, Nieminen T, Petäjä T, Sipilä M, Schobesberger S, Rantala P, Franchin A, Jokinen T, Järvinen E, Äijälä M, Kangasluoma J, ... ... Johnston MV, et al. Direct observations of atmospheric aerosol nucleation. Science (New York, N.Y.). 339: 943-6. PMID 23430652 DOI: 10.1126/Science.1227385  0.419
2013 Klems JP, Johnston MV. Origin and impact of particle-to-particle variations in composition measurements with the nano-aerosol mass spectrometer. Analytical and Bioanalytical Chemistry. 405: 6995-7003. PMID 23407811 DOI: 10.1007/S00216-013-6800-X  0.85
2013 Hall WA, Pennington MR, Johnston MV. Molecular transformations accompanying the aging of laboratory secondary organic aerosol. Environmental Science & Technology. 47: 2230-7. PMID 23390983 DOI: 10.1021/Es303891Q  0.665
2013 Bzdek BR, DePalma JW, Ridge DP, Laskin J, Johnston MV. Fragmentation energetics of clusters relevant to atmospheric new particle formation. Journal of the American Chemical Society. 135: 3276-85. PMID 23373990 DOI: 10.1021/Ja3124509  0.801
2013 Pennington MR, Bzdek BR, Depalma JW, Smith JN, Kortelainen AM, Hildebrandt Ruiz L, Petäjä T, Kulmala M, Worsnop DR, Johnston MV. Identification and quantification of particle growth channels during new particle formation Atmospheric Chemistry and Physics. 13: 10215-10225. DOI: 10.5194/Acp-13-10215-2013  0.846
2013 Bzdek BR, Depalma JW, Ridge DP, Laskin J, Johnston MV. Fragmentation and growth energetics of clusters relevant to new particle formation Aip Conference Proceedings. 1527: 177-180. DOI: 10.1063/1.4803232  0.819
2013 Bzdek BR, Horan AJ, Ross Pennington M, Depalma JW, Zhao J, Jen CN, Hanson DR, Smith JN, McMurry PH, Johnston MV. Quantitative and time-resolved nanoparticle composition measurements during new particle formation Faraday Discussions. 165: 25-43. DOI: 10.1039/c3fd00039g  0.822
2012 Horan AJ, Gao Y, Hall WA, Johnston MV. Online characterization of particles and gases with an ambient electrospray ionization source. Analytical Chemistry. 84: 9253-8. PMID 23013239 DOI: 10.1021/Ac302024Y  0.744
2012 Adou K, Johnston MV, Dykins JL. Targeted absolute quantification of intact proteins by reversed phase liquid chromatography-mass spectrometry, charge reduced electrospray, and condensation particle counting. Analytical Chemistry. 84: 6981-5. PMID 22812610 DOI: 10.1021/Ac300950W  0.799
2012 Hall WA, Johnston MV. Oligomer formation pathways in secondary organic aerosol from MS and MS/MS measurements with high mass accuracy and resolving power. Journal of the American Society For Mass Spectrometry. 23: 1097-108. PMID 22476934 DOI: 10.1007/S13361-012-0362-6  0.641
2012 Bzdek BR, Zordan CA, Pennington MR, Luther GW, Johnston MV. Quantitative assessment of the sulfuric acid contribution to new particle growth. Environmental Science & Technology. 46: 4365-73. PMID 22435616 DOI: 10.1021/Es204556C  0.842
2012 Klems JP, Zordan CA, Pennington MR, Johnston MV. Chemical composition of ambient nanoparticles on a particle-by-particle basis. Analytical Chemistry. 84: 2253-9. PMID 22296258 DOI: 10.1021/Ac202868H  0.835
2012 DePalma JW, Bzdek BR, Doren DJ, Johnston MV. Structure and energetics of nanometer size clusters of sulfuric acid with ammonia and dimethylamine. The Journal of Physical Chemistry. A. 116: 1030-40. PMID 22185572 DOI: 10.1021/Jp210127W  0.781
2012 Hall IV WA, Johnston MV. The thermal-stability of oligomers in alpha-pinene secondary organic aerosol Aerosol Science and Technology. 46: 983-989. DOI: 10.1080/02786826.2012.685114  0.47
2012 Pennington MR, Klems JP, Bzdek BR, Johnston MV. Nanoparticle chemical composition and diurnal dependence at the CalNex Los Angeles ground site Journal of Geophysical Research: Atmospheres. 117. DOI: 10.1029/2011Jd017061  0.828
2012 Bzdek BR, Pennington MR, Johnston MV. Single particle chemical analysis of ambient ultrafine aerosol: A review Journal of Aerosol Science. 52: 109-120. DOI: 10.1016/J.Jaerosci.2012.05.001  0.764
2012 Ross Pennington M, Johnston MV. Trapping charged nanoparticles in the nano aerosol mass spectrometer (NAMS) International Journal of Mass Spectrometry. 311: 64-71. DOI: 10.1016/J.Ijms.2011.12.011  0.496
2011 Klems JP, Pennington MR, Zordan CA, McFadden L, Johnston MV. Apportionment of motor vehicle emissions from fast changes in number concentration and chemical composition of ultrafine particles near a roadway intersection. Environmental Science & Technology. 45: 5637-43. PMID 21667963 DOI: 10.1021/Es104228Q  0.825
2011 Bzdek BR, Ridge DP, Johnston MV. Amine reactivity with charged sulfuric acid clusters Atmospheric Chemistry and Physics. 11: 8735-8743. DOI: 10.5194/Acp-11-8735-2011  0.685
2011 Bzdek BR, Zordan CA, Luther GW, Johnston MV. Nanoparticle Chemical Composition During New Particle Formation Aerosol Science and Technology. 45: 1041-1048. DOI: 10.1080/02786826.2011.580392  0.825
2011 Hall IV WA, Johnston MV. Oligomer content of α-pinene secondary organic aerosol Aerosol Science and Technology. 45: 37-45. DOI: 10.1080/02786826.2010.517580  0.387
2011 Bzdek BR, Ridge DP, Johnston MV. Reactivity of methanesulfonic acid salt clusters relevant to marine air Journal of Geophysical Research: Atmospheres. 116. DOI: 10.1029/2010Jd015217  0.742
2011 Wexler AS, Johnston MV. Real-Time Particle Analysis by Mass Spectrometry Aerosol Measurement: Principles, Techniques, and Applications: Third Edition. 233-254. DOI: 10.1002/9781118001684.ch11  0.388
2010 Bzdek BR, Ridge DP, Johnston MV. Size-dependent reactions of ammonium bisulfate clusters with dimethylamine. The Journal of Physical Chemistry. A. 114: 11638-44. PMID 20936867 DOI: 10.1021/Jp106363M  0.704
2010 Bzdek BR, Johnston MV. New particle formation and growth in the troposphere. Analytical Chemistry. 82: 7871-8. PMID 20879798 DOI: 10.1021/Ac100856J  0.707
2010 Gao Y, Hall WA, Johnston MV. Molecular composition of monoterpene secondary organic aerosol at low mass loading. Environmental Science & Technology. 44: 7897-902. PMID 20853884 DOI: 10.1021/Es101861K  0.744
2010 Klems JP, Pennington MR, Zordan CA, Johnston MV. Ultrafine particles near a roadway intersection: origin and apportionment of fast changes in concentration. Environmental Science & Technology. 44: 7903-7. PMID 20843065 DOI: 10.1021/Es102009E  0.827
2010 Zordan CA, Pennington MR, Johnston MV. Elemental composition of nanoparticles with the nano aerosol mass spectrometer. Analytical Chemistry. 82: 8034-8. PMID 20804130 DOI: 10.1021/Ac101700Q  0.825
2010 Bzdek BR, Ridge DP, Johnston MV. Amine exchange into ammonium bisulfate and ammonium nitrate nuclei Atmospheric Chemistry and Physics. 10: 3495-3503. DOI: 10.5194/Acp-10-3495-2010  0.699
2009 Adou K, Johnston MV. Flow interface for charge-reduced electrospray of nanoparticle solutions. Analytical Chemistry. 81: 10186-92. PMID 19924869 DOI: 10.1021/Ac902275H  0.801
2009 Heaton KJ, Sleighter RL, Hatcher PG, Hall WA, Johnston MV. Composition domains in monoterpene secondary organic aerosol. Environmental Science & Technology. 43: 7797-802. PMID 19921896 DOI: 10.1021/Es901214P  0.771
2009 Gao Y, Johnston MV. Online deposition of nano-aerosol for matrix-assisted laser desorption/ionization mass spectrometry. Rapid Communications in Mass Spectrometry : Rcm. 23: 3963-8. PMID 19918939 DOI: 10.1002/Rcm.4331  0.545
2009 Spraggins JM, Lloyd JA, Johnston MV, Laskin J, Ridge DP. Fragmentation mechanisms of oxidized peptides elucidated by SID, RRKM modeling, and molecular dynamics. Journal of the American Society For Mass Spectrometry. 20: 1579-92. PMID 19560936 DOI: 10.1016/J.Jasms.2009.04.012  0.625
2009 Lloyd JA, Heaton KJ, Johnston MV. Reactive uptake of trimethylamine into ammonium nitrate particles. The Journal of Physical Chemistry. A. 113: 4840-3. PMID 19338327 DOI: 10.1021/Jp900634D  0.852
2009 Lloyd JA, Johnston MV. An IT-TOF mass spectrometer for the analysis of organic aerosol International Journal of Mass Spectrometry. 281: 8-14. DOI: 10.1016/J.Ijms.2008.11.001  0.68
2009 Dreyfus MA, Adou K, Zucker SM, Johnston MV. Organic aerosol source apportionment from highly time-resolved molecular composition measurements Atmospheric Environment. 43: 2901-2910. DOI: 10.1016/J.Atmosenv.2009.03.008  0.784
2008 Zordan CA, Wang S, Johnston MV. Time-resolved chemical composition of individual nanoparticles in urban air. Environmental Science & Technology. 42: 6631-6. PMID 18800541 DOI: 10.1021/Es800880Z  0.846
2008 Wexler AS, Johnston MV. What have we learned from highly time-resolved measurements during EPA's Supersites Program and related studies? Journal of the Air & Waste Management Association (1995). 58: 303-19. PMID 18318343 DOI: 10.3155/1047-3289.58.2.303  0.391
2008 Reinard MS, Johnston MV. Ion formation mechanism in laser desorption ionization of individual nanoparticles. Journal of the American Society For Mass Spectrometry. 19: 389-99. PMID 18191579 DOI: 10.1016/J.Jasms.2007.11.017  0.831
2008 Solomon P, Hopke P, Chow J, Doraiswamy P, Watson J, Chen L, Ho S, Sodeman D, Solomon P, Sioutas C, Turner J, Allen D, Demerjian K, Mohnen V, Fine P, ... ... Johnston M, et al. Supplemental Material to "Advances in Integrated and Continuous Measurements for Particle Mass and Chemical Composition" Journal of the Air & Waste Management Association. 58. DOI: 10.3155/1047-3289.58.2.141_Supplmaterial  0.455
2008 Dreyfus MA, Johnston MV. Rapid sampling of individual organic aerosol species in ambient air with the photoionization aerosol mass spectrometer Aerosol Science and Technology. 42: 18-27. DOI: 10.1080/02786820701785112  0.804
2008 Bein KJ, Zhao Y, Johnston MV, Wexler AS. Interactions between boreal wildfire and urban emissions Journal of Geophysical Research Atmospheres. 113. DOI: 10.1029/2007Jd008910  0.491
2008 Ertem G, Snellinger-O'Brien AM, Ertem M, Rogoff D, Dworkin JP, Johnston MV, Hazen RM. Abiotic formation of RNA-like oligomers by montmorillonite catalysis: part II International Journal of Astrobiology. 7: 1-7. DOI: 10.1017/S147355040700393X  0.313
2007 Eiceman GA, Young D, Schmidt H, Rodriguez JE, Baumbach JI, Vautz W, Lake DA, Johnston MV. Ion mobility spectrometry of gas-phase ions from laser ablation of solids in air at ambient pressure. Applied Spectroscopy. 61: 1076-83. PMID 17958958 DOI: 10.1366/000370207782217671  0.665
2007 Heaton KJ, Dreyfus MA, Wang S, Johnston MV. Oligomers in the early stage of biogenic secondary organic aerosol formation and growth. Environmental Science & Technology. 41: 6129-36. PMID 17937292 DOI: 10.1021/Es070314N  0.806
2007 Murphy DM, Hudson PK, Cziczo DJ, Gallavardin S, Froyd KD, Johnston MV, Middlebrook AM, Reinard MS, Thomson DS, Thornberry T, Wexler AS. Distribution of lead in single atmospheric particles Atmospheric Chemistry and Physics. 7: 3195-3210. DOI: 10.5194/Acp-7-3195-2007  0.831
2007 Reinard MS, Adou K, Martini JM, Johnston MV. Source characterization and identification by real-time single particle mass spectrometry Atmospheric Environment. 41: 9397-9409. DOI: 10.1016/J.Atmosenv.2007.09.001  0.82
2007 Bein KJ, Zhao Y, Johnston MV, Wexler AS. Identification of sources of atmospheric PM at the Pittsburgh Supersite-Part III: Source characterization Atmospheric Environment. 41: 3974-3992. DOI: 10.1016/J.Atmosenv.2007.01.039  0.497
2006 Johnston MV, Wang S, Reinard MS. Nanoparticle mass spectrometry: pushing the limit of single particle analysis. Applied Spectroscopy. 60: 264-72. PMID 17059659 DOI: 10.1366/000370206778664671  0.851
2006 Hamilton CS, Greco TM, Vizthum CA, Ginter JM, Johnston MV, Mueller EG. Mechanistic investigations of the pseudouridine synthase RluA using RNA containing 5-fluorouridine. Biochemistry. 45: 12029-38. PMID 17002302 DOI: 10.1021/Bi061293X  0.757
2006 Wright CM, Christman GD, Snellinger AM, Johnston MV, Mueller EG. Direct evidence for enzyme persulfide and disulfide intermediates during 4-thiouridine biosynthesis. Chemical Communications (Cambridge, England). 3104-6. PMID 16855700 DOI: 10.1039/B604040C  0.3
2006 Lloyd JA, Spraggins JM, Johnston MV, Laskin J. Peptide ozonolysis: product structures and relative reactivities for oxidation of tyrosine and histidine residues. Journal of the American Society For Mass Spectrometry. 17: 1289-98. PMID 16820303 DOI: 10.1016/J.Jasms.2006.05.009  0.634
2006 Saul TD, Tolocka MP, Johnston MV. Reactive uptake of nitric acid onto sodium chloride aerosols across a wide range of relative humidities. The Journal of Physical Chemistry. A. 110: 7614-20. PMID 16774205 DOI: 10.1021/Jp060639A  0.844
2006 Tolocka MP, Heaton KJ, Dreyfus MA, Wang S, Zordan CA, Saul TD, Johnston MV. Chemistry of particle inception and growth during alpha-pinene ozonolysis. Environmental Science & Technology. 40: 1843-8. PMID 16570606 DOI: 10.1021/Es051926F  0.817
2006 Wang S, Zordan CA, Johnston MV. Chemical characterization of individual, airborne sub-10-nm particles and molecules. Analytical Chemistry. 78: 1750-4. PMID 16536407 DOI: 10.1021/Ac052243L  0.838
2006 Tolocka M, Reinard M, Lake D, Ondov J, Wexler A, Johnston M. Characterization of short-term particulate matter events by real-time single particle mass spectrometry Aerosol Science and Technology. 40: 873-882. DOI: 10.1080/02786820600714395  0.84
2006 Nash DG, Baer T, Johnston MV. Aerosol mass spectrometry: An introductory review International Journal of Mass Spectrometry. 258: 2-12. DOI: 10.1016/J.Ijms.2006.09.017  0.511
2006 Wang S, Johnston MV. Airborne nanoparticle characterization with a digital ion trap-reflectron time of flight mass spectrometer International Journal of Mass Spectrometry. 258: 50-57. DOI: 10.1016/J.Ijms.2006.07.001  0.536
2006 Bein KJ, Zhao Y, Pekney NJ, Davidson CI, Johnston MV, Wexler AS. Identification of sources of atmospheric PM at the Pittsburgh Supersite-Part II: Quantitative comparisons of single particle, particle number, and particle mass measurements Atmospheric Environment. 40: 424-444. DOI: 10.1016/J.Atmosenv.2006.01.064  0.487
2006 Pekney NJ, Davidson CI, Bein KJ, Wexler AS, Johnston MV. Identification of sources of atmospheric PM at the Pittsburgh Supersite, Part I: Single particle analysis and filter-based positive matrix factorization Atmospheric Environment. 40: 411-423. DOI: 10.1016/J.Atmosenv.2005.12.072  0.504
2006 Ondov JM, Buckley TJ, Hopke PK, Ogulei D, Parlange MB, Rogge WF, Squibb KS, Johnston MV, Wexler AS. Baltimore Supersite: Highly time- and size-resolved concentrations of urban PM2.5 and its constituents for resolution of sources and immune responses Atmospheric Environment. 40: 224-237. DOI: 10.1016/J.Atmosenv.2005.11.072  0.41
2005 Dreyfus MA, Tolocka MP, Dodds SM, Dykins J, Johnston MV. Cholesterol ozonolysis: kinetics, mechanism, and oligomer products. The Journal of Physical Chemistry. A. 109: 6242-8. PMID 16833964 DOI: 10.1021/Jp050606F  0.839
2005 Zhou F, Johnston MV. Protein profiling by capillary isoelectric focusing, reversed-phase liquid chromatography, and mass spectrometry. Electrophoresis. 26: 1383-8. PMID 15759303 DOI: 10.1002/Elps.200410125  0.317
2005 Hamilton CS, Spedaliere CJ, Ginter JM, Johnston MV, Mueller EG. The roles of the essential Asp-48 and highly conserved His-43 elucidated by the pH dependence of the pseudouridine synthase TruB. Archives of Biochemistry and Biophysics. 433: 322-34. PMID 15581587 DOI: 10.1016/J.Abb.2004.09.009  0.758
2005 Bein KJ, Zhao Y, Wexler AS, Johnston MV. Speciation of size-resolved individual ultrafine particles in Pittsburgh, Pennsylvania Journal of Geophysical Research Atmospheres. 110: 1-22. DOI: 10.1029/2004Jd004708  0.535
2005 Tolocka MP, Lake DA, Johnston MV, Wexler AS. Size-resolved fine and ultrafine particle composition in Baltimore, Maryland Journal of Geophysical Research Atmospheres. 110: 1-15. DOI: 10.1029/2004Jd004573  0.755
2005 Öktem B, Tolocka MP, Zhao B, Wang H, Johnston MV. Chemical species associated with the early stage of soot growth in a laminar premixed ethylene-oxygen-argon flame Combustion and Flame. 142: 364-373. DOI: 10.1016/J.Combustflame.2005.03.016  0.778
2004 Spedaliere CJ, Ginter JM, Johnston MV, Mueller EG. The pseudouridine synthases: revisiting a mechanism that seemed settled. Journal of the American Chemical Society. 126: 12758-9. PMID 15469254 DOI: 10.1021/Ja046375S  0.761
2004 Ginter JM, Zhou F, Johnston MV. Generating protein sequence tags by combining cone and conventional collision induced dissociation in a quadrupole time-of-flight mass spectrometer. Journal of the American Society For Mass Spectrometry. 15: 1478-86. PMID 15465361 DOI: 10.1016/J.Jasms.2004.07.004  0.785
2004 Cox FJ, Johnston MV, Qian K, Peiffer DG. Compositional analysis of isobutylene/p-methylstyrene copolymers by matrix-assisted laser desorption/ionization mass spectrometry. Journal of the American Society For Mass Spectrometry. 15: 681-8. PMID 15121197 DOI: 10.1016/J.Jasms.2003.12.017  0.784
2004 Tolocka MP, Jang M, Ginter JM, Cox FJ, Kamens RM, Johnston MV. Formation of oligomers in secondary organic aerosol. Environmental Science & Technology. 38: 1428-34. PMID 15046344 DOI: 10.1021/Es035030R  0.811
2004 Oktem B, Tolocka MP, Johnston MV. On-line analysis of organic components in fine and ultrafine particles by photoionization aerosol mass spectrometry. Analytical Chemistry. 76: 253-61. PMID 14719868 DOI: 10.1021/Ac0350559  0.786
2004 Tolocka MP, Saul TD, Johnston MV. Reactive Uptake of Nitric Acid into Aqueous Sodium Chloride Droplets Using Real-Time Single-Particle Mass Spectrometry Journal of Physical Chemistry A. 108: 2659-2665. DOI: 10.1021/Jp036612Y  0.831
2004 Tolocka MP, Lake DA, Johnston MV, Wexler AS. Ultrafine nitrate particle events in Baltimore observed by real-time single particle mass spectrometry Atmospheric Environment. 38: 3215-3223. DOI: 10.1016/J.Atmosenv.2004.03.011  0.735
2004 Tolocka MP, Lake DA, Johnston MV, Wexler AS. Number concentrations of fine and ultrafine particles containing metals Atmospheric Environment. 38: 3263-3273. DOI: 10.1016/J.Atmosenv.2004.03.010  0.741
2004 Lake DA, Tolocka MP, Johnston MV, Wexler AS. The character of single particle sulfate in Baltimore Atmospheric Environment. 38: 5311-5320. DOI: 10.1016/J.Atmosenv.2004.02.067  0.751
2003 Lake DA, Tolocka MP, Johnston MV, Wexler AS. Mass spectrometry of individual particles between 50 and 750 nm in diameter at the Baltimore Supersite. Environmental Science & Technology. 37: 3268-74. PMID 12966969 DOI: 10.1021/Es026270U  0.756
2003 Shang TQ, Ginter JM, Johnston MV, Larsen BS, McEwen CN. Carrier ampholyte-free solution isoelectric focusing as a prefractionation method for the proteomic analysis of complex protein mixtures. Electrophoresis. 24: 2359-68. PMID 12874871 DOI: 10.1002/Elps.200305502  0.764
2003 Cox FJ, Johnston MV, Dasgupta A. Characterization and relative ionization efficiencies of end-functionalized polystyrenes by matrix-assisted laser desorption/ionization mass spectrometry. Journal of the American Society For Mass Spectrometry. 14: 648-57. PMID 12781466 DOI: 10.1016/S1044-0305(03)00216-2  0.76
2003 Zhao B, Yang Z, Wang J, Johnston MV, Wang H. Analysis of soot nanoparticles in a laminar premixed ethylene flame by scanning mobility particle sizer Aerosol Science and Technology. 37: 611-620. DOI: 10.1080/02786820300908  0.49
2003 Rhoads KP, Phares DJ, Wexler AS, Johnston MV. Size-resolved ultrafine particle composition analysis, 1. Atlanta Journal of Geophysical Research D: Atmospheres. 108: SOS 6-1 SOS 6-13. DOI: 10.1029/2001Jd001211  0.524
2003 Middlebrook AM, Murphy DM, Lee SH, Thomson DS, Prather KA, Wenzel RJ, Liu DY, Phares DJ, Rhoads KP, Wexler AS, Johnston MV, Jimenez JL, Jayne JT, Worsnop DR, Yourshaw I, et al. A comparison of particle mass spectrometers during the 1999 Atlanta supersite project Journal of Geophysical Research D: Atmospheres. 108: SOS 12-1 SOS 12-13. DOI: 10.1029/2001Jd000660  0.529
2003 Cox FJ, Qian K, Patil AO, Johnston MV. Microstructure and composition of ethylene-carbon monoxide copolymers by matrix-assisted laser desorption/ionization mass spectrometry Macromolecules. 36: 8544-8550. DOI: 10.1021/Ma0351367  0.771
2003 Zhao B, Yang Z, Johnston MV, Wang H, Wexler AS, Balthasar M, Kraft M. Measurement and numerical simulation of soot particle size distribution functions in a laminar premixed ethylene-oxygen-argon flame Combustion and Flame. 133: 173-188. DOI: 10.1016/S0010-2180(02)00574-6  0.498
2002 Kane DB, Wang J, Frost K, Johnston MV. Detection of negative ions from individual ultrafine particles. Analytical Chemistry. 74: 2092-6. PMID 12033311 DOI: 10.1021/Ac011126X  0.472
2002 Cox FJ, Feudale RN, Johnston MV, McEwen CN, Hauptman E. Pyrolysis-photoionization mass spectrometry of ethylene-methyl acrylate copolymers Journal of Analytical and Applied Pyrolysis. 64: 305-312. DOI: 10.1016/S0165-2370(02)00040-2  0.76
2002 Young D, Douglas KM, Eiceman GA, Lake DA, Johnston MV. Laser desorption-ionization of polycyclic aromatic hydrocarbons from glass surfaces with ion mobility spectrometry analysis Analytica Chimica Acta. 453: 231-243. DOI: 10.1016/S0003-2670(01)01402-7  0.666
2001 Kane DB, Johnston MV. Enhancing the detection of sulfate particles for laser ablation aerosol mass spectrometry. Analytical Chemistry. 73: 5365-9. PMID 11816561 DOI: 10.1021/Ac010469S  0.518
2001 Johnston MV, Cox FJ, Forte GJ, Nairn DC, Sacher RS, Schwartz AZ, Vertes A. Remote experimentation over the Net: our first year with MALDI. Analytical Chemistry. 73: 440A-445A. PMID 11510864 DOI: 10.1021/Ac012481Q  0.718
2001 Phares DJ, Rhoads KP, Wexler AS, Kane DB, Johnston MV. Application of the ART-2a algorithm to laser ablation aerosol mass spectrometry of particle standards. Analytical Chemistry. 73: 2338-44. PMID 11393861 DOI: 10.1021/Ac0015063  0.49
2001 Kane DB, Oktem B, Johnston MV. An electrostatic lens for focusing charged particles in a mass spectrometer Aerosol Science and Technology. 35: 990-997. DOI: 10.1080/027868201753306750  0.793
2001 Kane DB, Oktem B, Johnston MV. Nanoparticle Detection by Aerosol Mass Spectrometry Aerosol Science and Technology. 34: 520-527. DOI: 10.1080/02786820117085  0.786
2000 Johnston MV. Sampling and analysis of individual particles by aerosol mass spectrometry. Journal of Mass Spectrometry : Jms. 35: 585-95. PMID 10800047 DOI: 10.1002/(Sici)1096-9888(200005)35:5<585::Aid-Jms992>3.0.Co;2-K  0.514
2000 Bartolini WP, Johnston MV. Characterizing DNA photo-oxidation reactions by high-resolution mass measurements with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Journal of Mass Spectrometry : Jms. 35: 408-16. PMID 10767771 DOI: 10.1002/(Sici)1096-9888(200003)35:3<408::Aid-Jms951>3.0.Co;2-0  0.8
2000 Sterner JL, Johnston MV, Nicol GR, Ridge DP. Signal suppression in electrospray ionization Fourier transform mass spectrometry of multi-component samples Journal of Mass Spectrometry : Jms. 35: 385-91. PMID 10767768 DOI: 10.1002/(Sici)1096-9888(200003)35:3<385::Aid-Jms947>3.0.Co;2-O  0.364
2000 Mallina RV, Wexler AS, Rhoads KP, Johnston MV. High speed particle beam generation: A dynamic focusing mechanism for selecting ultrafine particles Aerosol Science and Technology. 33: 87-104. DOI: 10.1080/027868200410868  0.487
2000 Zoller DL, Johnston MV. Microstructures of Butadiene Copolymers Determined by Ozonolysis/MALDI Mass Spectrometry Macromolecules. 33: 1664-1670. DOI: 10.1021/Ma991157I  0.352
2000 Kane DB, Johnston MV. Size and Composition Biases on the Detection of Individual Ultrafine Particles by Aerosol Mass Spectrometry Environmental Science & Technology. 34: 4887-4893. DOI: 10.1021/Es001323Y  0.548
1999 Green MK, Johnston MV, Larsen BS. Mass accuracy and sequence requirements for protein database searching. Analytical Biochemistry. 275: 39-46. PMID 10542107 DOI: 10.1006/Abio.1999.4270  0.344
1999 Bartolini WP, Bentzley CM, Johnston MV, Larsen BS. Identification of single stranded regions of DNA by enzymatic digestion with matrix-assisted laser desorption/ionization analysis. Journal of the American Society For Mass Spectrometry. 10: 521-8. PMID 10368947 DOI: 10.1016/S1044-0305(99)00015-X  0.769
1999 Zoller DL, Johnston MV, Tomic J, Wang X, Calkins WH. Thermogravimetry-photoionization mass spectrometry of different rank coals Energy and Fuels. 13: 1097-1104. DOI: 10.1021/Ef990069W  0.342
1999 Zoller DL, Sum ST, Johnston MV, Hatfield GR, Qian K. Determination of polymer type and comonomer content in polyethylenes by pyrolysis-photoionization mass spectrometry Analytical Chemistry. 71: 866-872. DOI: 10.1021/Ac9807159  0.358
1999 Johnston MV. On-line single particle analysis by aerosol mass spectrometry Journal of Aerosol Science. 30: S123-S124. DOI: 10.1016/S0021-8502(99)80073-1  0.487
1999 Mallina RV, Wexler AS, Johnston MV. High-speed particle beam generation: Simple focusing mechanisms Journal of Aerosol Science. 30: 719-738. DOI: 10.1016/S0021-8502(98)00759-9  0.505
1998 Green MK, Vestling MM, Johnston MV, Larsen BS. Distinguishing small molecular mass differences of proteins by mass spectrometry. Analytical Biochemistry. 260: 204-11. PMID 9657879 DOI: 10.1006/Abio.1998.2692  0.381
1998 Bentzley CM, Johnston MV, Larsen BS. Base specificity of oligonucleotide digestion by calf spleen phosphodiesterase with matrix-assisted laser desorption ionization analysis. Analytical Biochemistry. 258: 31-7. PMID 9527844 DOI: 10.1006/Abio.1998.2569  0.306
1998 Ge Z, Wexler AS, Johnston MV. Deliquescence Behavior of Multicomponent Aerosols The Journal of Physical Chemistry A. 102: 173-180. DOI: 10.1021/Jp972396F  0.475
1998 Neubauer KR, Johnston MV, Wexler AS. Humidity effects on the mass spectra of single aerosol particles Atmospheric Environment. 32: 2521-2529. DOI: 10.1016/S1352-2310(98)00005-3  0.536
1998 Ge Z, Wexler AS, Johnston MV. Laser desorption/ionization of single ultrafine multicomponent aerosols Journal of Aerosol Science. 29. DOI: 10.1016/S0021-8502(98)90779-0  0.309
1998 Mallina R, Wexler A, Johnston M. High speed particle beam generation : experimental evaluation of dynamic mechanisms Journal of Aerosol Science. 29: S431-S432. DOI: 10.1016/S0021-8502(98)00619-3  0.363
1998 Mansoori BA, Johnston MV, Wexler AS. Laser desorption ionization of size resolved liquid microdroplets Analytica Chimica Acta. 359: 185-191. DOI: 10.1016/S0003-2670(97)00631-4  0.358
1997 Carson PG, Johnston MV, Wexler AS. Real-Time Monitoring of the Surface and Total Composition of Aerosol Particles Aerosol Science and Technology. 26: 291-300. DOI: 10.1080/02786829708965431  0.375
1997 Zoller DL, Johnston MV. Composition and Microstructure of Acrylonitrile−Butadiene Copolymers by Pyrolysis-Photoionization Mass Spectrometry Analytical Chemistry. 69: 3791-3795. DOI: 10.1021/Ac970147H  0.356
1997 Neubauer KR, Johnston MV, Wexler AS. On-line analysis of aqueous aerosols by laser desorption ionization International Journal of Mass Spectrometry and Ion Processes. 163: 29-37. DOI: 10.1016/S0168-1176(96)04534-X  0.481
1997 Mallina RV, Wexler AS, Johnston MV. Particle growth in high-speed particle beam inlets Journal of Aerosol Science. 28: 223-238. DOI: 10.1016/S0021-8502(96)00435-1  0.512
1997 Carson PG, Johnston MV, Wexler AS. Laser desorption/ionization of ultrafine aerosol particles Rapid Communications in Mass Spectrometry. 11: 993-996. DOI: 10.1002/(Sici)1097-0231(19970615)11:9<993::Aid-Rcm950>3.0.Co;2-J  0.456
1996 Bentzley CM, Johnston MV, Larsen BS, Gutteridge S. Oligonucleotide sequence and composition determined by matrix-assisted laser desorption/ionization. Analytical Chemistry. 68: 2141-6. PMID 9027229 DOI: 10.1021/Ac951213N  0.387
1996 Neubauer KR, Sum ST, Johnston MV, Wexler AS. Sulfur speciation in individual aerosol particles Journal of Geophysical Research: Atmospheres. 101: 18701-18707. DOI: 10.1029/96Jd01555  0.544
1996 Mansoori BA, Johnston MV, Wexler AS. Matrix-Assisted Laser Desorption/Ionization of Size- and Composition-Selected Aerosol Particles Analytical Chemistry. 68: 3595-3601. DOI: 10.1021/Ac9603385  0.508
1996 Ge Z, Wexler AS, Johnston MV. Phase partitioning of aerosol particles during crystallization Nucleation and Atmospheric Aerosols. 462-464. DOI: 10.1016/B978-008042030-1/50110-4  0.506
1996 Ge Z, Wexler AS, Johnston MV. Multicomponent aerosol crystallization Journal of Colloid and Interface Science. 183: 68-77. DOI: 10.1006/Jcis.1996.0519  0.507
1995 Johnston MV, Wexler AS. MS of INDIVIDUAL AEROSOL PARTICLES Analytical Chemistry. 67: 721A-726A. DOI: 10.1021/Ac00119A722  0.441
1995 Neubauer KR, Johnston MV, Wexler AS. Chromium speciation in aerosols by rapid single-particle mass spectrometry International Journal of Mass Spectrometry and Ion Processes. 151: 77-87. DOI: 10.1016/0168-1176(95)04312-8  0.538
1995 Carson PG, Neubauer KR, Johnston MV, Wexler AS. On-line chemical analysis of aerosols by rapid single-particle mass spectrometry Journal of Aerosol Science. 26: 535-545. DOI: 10.1016/0021-8502(94)00133-J  0.555
1994 Mowry CD, Johnston MV. Internal Energy of Neutral Molecules Ejected by Matrix-Assisted Laser Desorption The Journal of Physical Chemistry. 98: 1904-1909. DOI: 10.1021/J100058A031  0.327
1994 Mansoori BA, Johnston MV, Wexler AS. Quantitation of Ionic Species in Single Microdroplets by Online Laser Desorption/Ionization Analytical Chemistry. 66: 3681-3687. DOI: 10.1021/Ac00093A023  0.394
1993 Van Bramer SE, Ross PL, Johnston MV. Unimolecular photochemistry of n-alkenes studied by photodissociation-photoionization mass spectrometry. Journal of the American Society For Mass Spectrometry. 4: 65-72. PMID 24234746 DOI: 10.1016/1044-0305(93)85044-X  0.353
1993 Ross PL, Johnston MV. Unimolecular photochemistry of alkanethiols studied by photodissociation-photoionization mass spectrometry The Journal of Physical Chemistry. 97: 10725-10731. DOI: 10.1021/J100143A034  0.326
1993 Mowry CD, Johnston MV. Simultaneous detection of ions and neutrals produced by matrix-assisted laser desorption Rapid Communications in Mass Spectrometry. 7: 569-575. DOI: 10.1002/Rcm.1290070702  0.338
1992 Van Bramer SE, Johnston MV. Tunable, Coherent Vacuum Ultraviolet Radiation for Photoionization Mass Spectrometry Applied Spectroscopy. 46: 255-261. DOI: 10.1366/0003702924125564  0.305
1992 Van Bramer SE, Johnston MV. Structural identification of alkene isomers by photodissociation-photoionization mass spectrometry Organic Mass Spectrometry. 27: 949-954. DOI: 10.1002/Oms.1210270904  0.338
1991 McKeown PJ, Johnston MV. Ion decomposition versus molecular size probed by vacuum ultraviolet photoionization. Journal of the American Society For Mass Spectrometry. 2: 103-107. PMID 24242168 DOI: 10.1016/1044-0305(91)80002-O  0.324
1991 McKeown PJ, Johnston MV, Murphy DM. On-line single-particle analysis by laser desorption mass spectrometry Analytical Chemistry. 63: 2069-2073. DOI: 10.1021/Ac00018A033  0.443
1990 Van Bramer SE, Johnston MV. 10.5-eV photoionization mass spectrometry of aliphatic compounds. Journal of the American Society For Mass Spectrometry. 1: 419-26. PMID 24248975 DOI: 10.1016/1044-0305(90)85024-G  0.353
1989 Kinsel GR, Johnston MV. Post source pulse focusing: a simple method to achieve improved resolution in a time-of-flight mass spectrometer International Journal of Mass Spectrometry and Ion Processes. 91: 157-176. DOI: 10.1016/0168-1176(89)83006-X  0.336
1989 Segar KR, Johnston MV. Sequence-specific fragmentation of benzyloxycarbonyl dipeptides by resonance-enhanced multiphoton ionization Organic Mass Spectrometry. 24: 176-182. DOI: 10.1002/Oms.1210240307  0.319
1988 Kinsel GR, Johnston MV. Isomer identification by metastable decay rates of laser-produced ions Analytical Chemistry. 60: 2084-2089. PMID 3239789 DOI: 10.1021/Ac00170A020  0.346
1987 Kinsel GR, Segar KR, Johnston MV. Wavelength-dependent fragmentation in resonance-enhanced multiphoton ionization mass spectrometry Organic Mass Spectrometry. 22: 627-632. DOI: 10.1002/Oms.1210220910  0.304
1983 Porter LC, Akse JR, Johnston MV, Wright JC. Host Materials for Laser-Excited Fluorescence of Lanthanide Probe Ions Applied Spectroscopy. 37: 360-371. DOI: 10.1366/0003702834634370  0.34
1982 Johnston MV, Wright JC. Determination of transition metals by selectively excited probe ion luminescence of magnesium oxide Analytical Chemistry. 54: 2503-2507. DOI: 10.1021/Ac00251A022  0.394
1981 Johnston MV, Wright JC. Selective laser excitation of probe ion luminescence from associated clusters in precipitates Analytical Chemistry. 53: 1054-1060. DOI: 10.1021/Ac00230A031  0.433
1981 Johnston MV, Wright JC. Determination of ultratrace levels of uranium by selective laser excitation of precipitates Analytical Chemistry. 53: 1050-1054. DOI: 10.1021/Ac00230A030  0.416
1980 WRIGHT JC, TALLANT DR, GUSTAFSON FJ, JOHNSTON MV, MILLER MP, MOORE DS, PORTER LC, AKSE JR. ChemInform Abstract: NEW ANALYTICAL METHODS. 16. APPLICATION OF SEPIL TO THE SOLID BODY DEFECT CHEMISTRY OF FLUORITES AND EXTREME INORGANIC TRACE ANALYSIS Chemischer Informationsdienst. 11. DOI: 10.1002/Chin.198005389  0.32
1979 Johnston MV, Wright JC. Trace analysis of nonfluorescent ions by associative clustering with a fluorescent probe Analytical Chemistry. 51: 1774-1780. DOI: 10.1021/Ac50047A040  0.421
1979 Wright JC, Tallant DR, Gustafson FJ, Johnston MV, Miller MP, Moore DS, Porter LC, Akse JR. Applications of SEPIL to the Solid State Defect Chemistry of Fluorites and Ultra-trace Inorganic Analysis [New analytical methods (16)] Angewandte Chemie International Edition in English. 18: 738-752. DOI: 10.1002/Anie.197907381  0.35
1979 Wright JC, Tallant DR, Gustafson FJ, Johnston MV, Miller MP, Moore DS, Porter LC, Akse JR. Anwendung von SEPIL auf die Festkörper-Defektchemie von Fluoriten und die extreme anorganische Spurenanalyse Angewandte Chemie. 91: 765-780. DOI: 10.1002/Ange.19790911004  0.31
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