Search Results - "McEwen, C. N."

Production of Perfluoroalkylated Nanospheres from Buckminsterfullerene by Fagan, Paul J., Krusic, Paul J., McEwen, C. N., Lazar, J., Parker, Deborah Holmes, Herron, N., Wasserman, E.

“…Perfluoroalkylated nanospheres have been prepared by reaction of fullerenes with a variety of fluoroalkyl radicals. The latter are generated by thermal or…”
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Analysis of Solids, Liquids, and Biological Tissues Using Solids Probe Introduction at Atmospheric Pressure on Commercial LC/MS Instruments by McEwen, Charles N, McKay, Richard G, Larsen, Barbara S

“…Direct analysis of samples using atmospheric pressure ionization (API) provides a more rapid method for analysis of volatile and semivolatile compounds than…”
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The Limitations of MALDI-TOF Mass Spectrometry in the Analysis of Wide Polydisperse Polymers by Byrd, H. C. Michelle, McEwen, Charles N

“…Average molecular weight determination of polymers with polydispersities greater than 1.2 is an ongoing challenge in the field of matrix-assisted laser…”
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An electrospray ion source for magnetic sector mass spectrometers by Larsen, Barbara S., McEwen, Charles N.

“…Electrospray mass spectra of carbonic anhydrase (MW ∼ 29000) and ovalbumin (MW ∼ 45000) were obtained on a double focusing magnetic secter mass spectrometer by…”
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Fast radical reactions in a mass spectrometer ion source: radical addition to 7,7,8,8-tetracyanoquinodimethane by McEwen, C. N, Rudat, M. A

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Isomerization of gas-phase hydrocarbon ions. Radical trapping. 3 by McEwen, C. N, Rudat, M. A

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Radical trapping in a mass spectrometer ion source. 1 by McEwen, C. N, Rudat, M. A

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Gas-phase radical structures. Radical trapping. 2 by Rudat, M. A, McEwen, C. N

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Field desorption and electron impact mass spectra of ionic dyes by McEwen, C. N, Layton, S. F, Taylor, S. K

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Fundamentals of the application of matrix-assisted laser desorption-ionization mass spectrometry to low mass poly(methylmethacrylate) polymers by Larsen, Barbara S., Simonsick, William J., McEwen, Charles N.

“…Matrix-assisted laser desorption-ionization (MALDI) time of flight is shown to give a molar peak area response for isolated methylmethacrylate oligomers that…”
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Negative gold ion gun for liquid secondary ion mass spectrometry by McEwen, Charles N, Hass, J. Ronald

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The fundamentals of applying electrospray ionization mass spectrometry to low mass poly(methyl methacrylate) polymers by McEwen, Charles N., Simonsick, William J., Larsen, Barbara S., Ute, Kaichi, Hatada, Koichi

“…Electrospray ionization (ESI) is capable of ionizing many soluble polymers. The ESI spectra are complex because of overlap of the multiply charged ions of the…”
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Sample preparation for high throughput accurate mass analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry by Lake, Derek A., Johnson, Murray V., McEwen, Charles N., Larsen, Barbara S.

“…An automated sample preparation for high throughput accurate mass determinations by matrix‐assisted laser desorption/ionization time‐of‐flight mass…”
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A Combination Atmospheric Pressure LC/MS:GC/MS Ion Source: Advantages of Dual AP-LC/MS:GC/MS Instrumentation by McEwen, Charles N., McKay, Richard G.

“…Modification of commercial LC/MS instrumentation to allow both atmospheric pressure (AP) LC/MS and GC/MS is described. Advantages of this additional capability…”
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Fluorescence-Based Pep tide Labeling and Fractionation Strategies for Analysis of Cysteine-Containing Peptides by Clements, A, Johnston, M V, Larsen, B S, McEwen, C N

“…This study demonstrates that 1,5-I-AEDANS (5-({2-[(iodoacetyl)amino]ethyl}amino) naphthalene-1-sulfonic acid) can be used as a versatile fluorescence-based…”
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The fate of thermally produced cyclohexyloxyl radicals as determined by mass spectrometry by McEwen, Charles N, Druliner, J. Douglas

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Mass Spectrometry of Synthetic Polymers by Peacock, Patricia M, McEwen, Charles N

“…The Scope of Peacock's and McEwen's review is limited to articles published in 2002 or 2003 and includes only publications dealing with mass spectrometry of…”
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C60 as a radical sponge by McEwen, Charles N, McKay, Richard G, Larsen, Barbara S

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Determining affinity-selected ligands and estimating binding affinities by online size exclusion chromatography/liquid chromatography-mass spectrometry by Blom, K F, Larsen, B S, McEwen, C N

“…Size exclusion chromatography (SEC) isolation of affinity-selected ligands combined with reverse phase liquid chromatography-mass spectrometry (LC-MS) is an…”
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Mass Spectrometry of Chemical Polymers by McEwen, Charles N, Peacock, Patricia M

“…The scope of McEwen and Peacock's review is limited to articles published or in press from Jan 2000 through Jan 2002 and includes only publications dealing…”
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