Works (9)

Updated: July 5th, 2023 15:54

2011 journal article

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

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 300(2-3), 99–107.

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

author keywords: Air amplifier; Electrospray ionization; Modeling; Detection limits
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)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

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

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 305(2-3), 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
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)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2010 journal article

Study of the ionization mechanism in hybrid laser based desorption techniques

ANALYST, 135(5), 880–882.

By: R. Dixon n & D. Muddiman n

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)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Characterization of Charge Separation in the Array of Micromachined UltraSonic Electrospray (AMUSE) Ion Source for Mass Spectrometry

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, 20(9), 1684–1687.

MeSH headings : Equipment Design; Equipment Failure Analysis; Radiation Dosage; Radiometry; Sonication; Spectrometry, Mass, Electrospray Ionization / instrumentation; Static Electricity
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Generation of Multiply Charged Peptides and Proteins by Radio Frequency Acoustic Desorption and Ionization for Mass Spectrometric Detection

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, 20(4), 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
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)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Ambient aerodynamic ionization source for remote analyte sampling and mass spectrometric analysis

ANALYTICAL CHEMISTRY, 80(13), 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
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)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

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

RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 22(10), 1563–1566.

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
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)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

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

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY, 18(11), 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
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)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

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

Journal of the American Society for Mass Spectrometry, 18(10), 1844–1847.

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

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

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