Robert Brent Dixon

Works (9)

Updated: July 5th, 2023 15:54

2010 article

Design, modeling, fabrication, and evaluation of the air amplifier for improved detection of biomolecules by electrospray ionization mass spectrometry

Robichaud, G., Dixon, R. B., Potturi, A. S., Cassidy, D., Edwards, J. R., Sohn, A., … Muddiman, D. C. (2010, April 22). International Journal of Mass Spectrometry, Vol. 300, pp. 99–107.

By: G. Robichaud n, R. Dixon n, A. Potturi n, D. Cassidy n, J. Edwards n , A. Sohn n, T. Dow n, D. Muddiman n 

author keywords: Air amplifier; Electrospray ionization; Modeling; Detection limits
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Electrohydrodynamics and Fluid Dynamics; Microfluidic and Capillary Electrophoresis Applications
TL;DR: A computer simulation that accurately portrays actual conditions and the results from these simulations are corroborated by the experimental data is developed, which can be used to predict outcomes from future designs resulting in a design process that is efficient in terms of financial cost and time. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 article

One-year plasma N-linked glycome intra-individual and inter-individual variability in the chicken model of spontaneous ovarian adenocarcinoma

Dixon, R. B., Bereman, M. S., Petitte, J. N., Hawkridge, A. M., & Muddiman, D. C. (2010, May 28). International Journal of Mass Spectrometry, Vol. 305, pp. 79–86.

By: R. Dixon n, M. Bereman n, J. Petitte n , A. Hawkridge n & D. Muddiman n 

author keywords: N-linked glycans; HILIC; FTMS; Longitudinal sampling
topics (OpenAlex): Glycosylation and Glycoproteins Research; Cancer, Hypoxia, and Metabolism; Viral Infectious Diseases and Gene Expression in Insects
TL;DR: The initial interrogation of longitudinally-procured samples provides evidence that supports the value of this strategy in the search for glycomic biomarkers, and identifies 35 N-linked glycans identified in this study. (via Semantic Scholar)
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3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2010 article

Study of the ionization mechanism in hybrid laser based desorption techniques

Dixon, R. B., & Muddiman, D. C. (2010, January 1). The Analyst, Vol. 135, pp. 880–882.

By: R. Dixon n & D. Muddiman n 

topics (OpenAlex): Laser Design and Applications; Laser-Matter Interactions and Applications; Spectroscopy and Laser Applications
TL;DR: The purpose of these experiments is to test the hypothesis that the primary ionization pathway in MALDESI is through interaction of the laser-desorbed neutral species with the intersecting electrospray ionization beam. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 article

Characterization of charge separation in the array of Micromachined UltraSonic Electrospray (AMUSE) ion source for mass spectrometry

Forbes, T. P., Dixon, R. B., Muddiman, D. C., Degertekin, F. L., & Fedorov, A. G. (2009, May 21). Journal of the American Society for Mass Spectrometry, Vol. 20, pp. 1684–1687.

By: T. Forbes *, R. Dixon n, D. Muddiman n , F. Degertekin * & A. Fedorov *

MeSH headings : Equipment Design; Equipment Failure Analysis; Radiation Dosage; Radiometry; Sonication; Spectrometry, Mass, Electrospray Ionization / instrumentation; Static Electricity
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Microfluidic and Capillary Electrophoresis Applications; Electrohydrodynamics and Fluid Dynamics
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 article

Ambient Aerodynamic Ionization Source for Remote Analyte Sampling and Mass Spectrometric Analysis

Dixon, R. B., Sampson, J. S., Hawkridge, A. M., & Muddiman, D. C. (2008, June 5). Analytical Chemistry, Vol. 80, pp. 5266–5271.

By: R. Dixon n, J. Sampson n, A. Hawkridge n & D. Muddiman n 

MeSH headings : Acetaminophen / antagonists & inhibitors; Acetaminophen / chemistry; Caffeine / analysis; Caffeine / chemistry; Natriuretic Peptide, Brain / analysis; Natriuretic Peptide, Brain / chemistry; Spectrometry, Mass, Electrospray Ionization / instrumentation; Spectrometry, Mass, Electrospray Ionization / methods; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / instrumentation; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / methods; Ubiquitin / analysis; Ubiquitin / chemistry
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Analytical Chemistry and Chromatography; Microfluidic and Capillary Electrophoresis Applications
TL;DR: This novel aerodynamic device, herein termed remote analyte sampling, transport, and ionization relay (RASTIR) was used to remotely sample neutral species in the ambient and entrain them into an electrospray plume where they were subsequently ionized and detected using a linear ion trap Fourier transform mass spectrometer. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 article

Generation of multiply charged peptides and proteins by radio frequency acoustic desorption and ionization for mass spectrometric detection

Dixon, R. B., Sampson, J. S., & Muddiman, D. C. (2008, December 7). Journal of the American Society for Mass Spectrometry, Vol. 20, pp. 597–600.

By: R. Dixon n, J. Sampson n & D. Muddiman n 

MeSH headings : Electrodes; Equipment Design; Mass Spectrometry / instrumentation; Mass Spectrometry / methods; Natriuretic Peptide, Brain / chemistry; Peptides / chemistry; Proteins / chemistry; Quartz / chemistry; Ubiquitin / chemistry
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Advanced Chemical Sensor Technologies; Analytical Chemistry and Chromatography
TL;DR: The design and implementation of a radio frequency acoustic desorption ionization (RADIO) source has been demonstrated and intact and dissociated species observed during MS and MS/MS experiments, respectively are confirmed. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 article

Mass measurement accuracy comparisons between a double‐focusing magnetic sector and a time‐of‐flight mass analyzer

Bereman, M. S., Lyndon, M. M., Dixon, R. B., & Muddiman, D. C. (2008, April 17). Rapid Communications in Mass Spectrometry.

By: M. Bereman n, M. Lyndon n, R. Dixon n & D. Muddiman n 

MeSH headings : Equipment Design; Equipment Failure Analysis; Magnetics / instrumentation; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization / instrumentation; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / instrumentation
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Analytical Chemistry and Chromatography; Advanced Proteomics Techniques and Applications
TL;DR: A direct comparison of the mass measurement accuracies (MMAs) obtained on different mass spectrometry instrument types; a magnetic sector as the 'gold standard' and an electrospray ionization time-of-flight (ESI-TOF) instrument. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 article

Probing the mechanisms of an air amplifier using a LTQ-FT-ICR-MS and fluorescence spectroscopy

Dixon, R. B., Muddiman, D. C., Hawkridge, A. M., & Fedorov, A. G. (2007, August 17). Journal of the American Society for Mass Spectrometry, Vol. 18, pp. 1909–1913.

By: R. Dixon n, D. Muddiman n , A. Hawkridge n & A. Fedorov *

MeSH headings : Air; Amplifiers, Electronic; Cyclotrons; Fluorescent Dyes / chemistry; Spectrometry, Fluorescence / instrumentation; Spectrometry, Fluorescence / methods; Spectrometry, Mass, Electrospray Ionization / instrumentation; Spectrometry, Mass, Electrospray Ionization / methods; Spectroscopy, Fourier Transform Infrared / instrumentation; Spectroscopy, Fourier Transform Infrared / methods
topics (OpenAlex): Mass Spectrometry Techniques and Applications; Analytical chemistry methods development; Microfluidic and Capillary Electrophoresis Applications
TL;DR: Experimental results provide direct evidence of aerodynamic focusing of electrosprayed droplets/ions enabled by an air amplifier, resulting in improved Electrospray droplet/ion capture efficiency and reduced ion injection time. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 article

Remote mass spectrometric sampling of electrospray- and desorption electrospra-generated ions using an air ejector

Journal of the American Society for Mass Spectrometry, Vol. 18, pp. 1844–1847.

By: R. Dixon, M. Bereman, D. Muddiman  & A. Hawkridge

topics (OpenAlex):
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

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