Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Bryan J. McCullough"'
Autor:
David Douce, Peter Cain, Kirtan Patel, Chris Hopley, Steve Bajic, Bryan J. McCullough, Nicola Lumley, Ryan Francis, Kate Whyatt
Publikováno v:
Journal of the American Society for Mass Spectrometry. 31(2)
The emergence of ambient ionization techniques and their combination with smaller, cheaper mass spectrometers is beginning to make real the possibility of mass spectrometry measurements being made routinely outside of traditional laboratory settings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94b40979a8b81b4b3bf3db4718cc1d11
https://pubmed.ncbi.nlm.nih.gov/32031401
https://pubmed.ncbi.nlm.nih.gov/32031401
Autor:
David Douce, Daniel Burns, Nicola Lumley, Chris Hopley, Simone C. Mathias, Bryan J. McCullough, Steve Bajic, Patrick Sears
Publikováno v:
International Journal of Mass Spectrometry. 471:116735
Five different classes of explosives were analysed by ambient ionisation mass spectrometry testing selectivity, sensitivity, and repeatability. We compare the effectiveness of two techniques (ASAP and SESI) for the trace detection of five explosives
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4866d42cae8259815b3a9fba3358fddf
https://doi.org/10.1016/j.ijms.2021.116735
https://doi.org/10.1016/j.ijms.2021.116735
Publikováno v:
Food Chemistry. 245:289-296
The need for an analytical procedure for the identification of allergens present at trace levels in foods was highlighted by conflicting results in a case of contamination of the spice cumin. The application of a bottom-up proteomics experiment was i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e293fbd88254a4498ed26226b763a9c3
https://doi.org/10.1016/j.foodchem.2017.10.101
https://doi.org/10.1016/j.foodchem.2017.10.101
Publikováno v:
Forensic Chemistry. 4:75-81
Recent developments in the miniaturisation of mass spectrometry have led to a new generation of low-cost instruments which are making MS a more accessible technology in all areas of analytical science. While the utility of these instruments for quali
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a64dd7200285eb5c4dbe213e0ae2c438
https://doi.org/10.1016/j.forc.2017.03.002
https://doi.org/10.1016/j.forc.2017.03.002
Publikováno v:
Rapid communications in mass spectrometry : RCMREFERENCES. 35
RATIONALE As the popularity of ambient ionisation grows, so too does the importance of understanding its capabilities and limitations. The British Mass Spectrometry Society Special Interest Group on Ambient Ionisation has carried out two studies into
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09830d5bd231793dcf72f7ee4554c74b
https://pubmed.ncbi.nlm.nih.gov/31334890
https://pubmed.ncbi.nlm.nih.gov/31334890
Autor:
Christopher J. Welch, Xiaodong Bu, Simon E. Hamilton, Bryan J. McCullough, Fred Mattrey, David Murray
Publikováno v:
Organic Process Research & Development. 18:103-108
In this study we describe the evaluation of a recently developed miniaturized single-quadrupole mass spectrometer to support pharmaceutical process research investigations. Mass spectrometry is becoming an indispensable tool for analytical support of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c72ef673143cbe3f5f15a6a22636a4b5
https://doi.org/10.1021/op400253x
https://doi.org/10.1021/op400253x
Autor:
Dominic J. Campopiano, Bryan J. McCullough, Martin De Cecco, Julia R. Dorin, K. J. Taylor, Emily S. Seo, Perdita E. Barran, Derek Macmillan, David Clarke
Publikováno v:
The Journal of Physical Chemistry B. 114:2312-2318
In recent times there has been an enormous rise in resistance to synthetic antibiotics as well as an increase in the virulence of bacteria, the so-called "superbugs". This problem has catalyzed a search for novel molecules to fight bacteria, which in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cacba3252f1381793df54e9575ba17a9
https://doi.org/10.1021/jp9111662
https://doi.org/10.1021/jp9111662
Autor:
Bryan J. McCullough, Peter Faull, Karoliina E. Korkeila, Jason M. D. Kalapothakis, Andrew Gray, Perdita E. Barran
Publikováno v:
International Journal of Mass Spectrometry. 283:140-148
Gas-phase biomolecular structure may be explored through a number of analytical techniques. Ion mobility-mass spectrometry (IM-MS) continues to prove itself as a sensitive and reliable bioanalytical tool for gas-phase structure determination due to i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d7c83cd6c176eb0ca4dfbaf4d4a9d24
https://doi.org/10.1016/j.ijms.2009.02.024
https://doi.org/10.1016/j.ijms.2009.02.024
Autor:
Bryan J. McCullough, K. J. Taylor, Perdita E. Barran, Julia R. Dorin, Paul Kemper, Derek Macmillan, Jason M. D. Kalapothakis, Hayden Eastwood
Publikováno v:
Analytical Chemistry. 80:6336-6344
We describe here a new ion mobility capable mass spectrometer which comprises a drift cell for mobility separation and a quadrapole time of flight mass spectrometer for mass analysis--the MoQTOF. A commercial QToF instrument (Micromass UK Ltd., Manch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bb0e304842f8b45f7bd0a52783e779d
https://doi.org/10.1021/ac800651b
https://doi.org/10.1021/ac800651b
Autor:
Perdita E. Barran, Emily S. Seo, Karen Taylor, Derek Macmillan, De Yang, Julia R. Dorin, John R. W. Govan, Joost J. Oppenheim, Wuthareth Chin, Bryan J. McCullough, David Clarke, Dušan Uhrín, Dominic J. Campopiano
Publikováno v:
Journal of Biological Chemistry. 283:6631-6639
beta-Defensins are important in mammalian immunity displaying both antimicrobial and chemoattractant activities. Three canonical disulfide intramolecular bonds are believed to be dispensable for antimicrobial activity but essential for chemoattractan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42285b1201f8d3e5617c4cb396655653
https://doi.org/10.1074/jbc.m709238200
https://doi.org/10.1074/jbc.m709238200