Search Results - "Vickerman, JC"

A C 60 Primary Ion Beam System for Time of Flight Secondary Ion Mass Spectrometry:  Its Development and Secondary Ion Yield Characteristics by Weibel, Daniel, Wong, Steve, Lockyer, Nicholas, Blenkinsopp, Paul, Hill, Rowland, Vickerman, John C.

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Development and experimental application of a gold liquid metal ion source by Davies, N., Weibel, D.E., Blenkinsopp, P., Lockyer, N., Hill, R., Vickerman, J.C.

“…A liquid metal ion source (LMIS) based upon a gold/germanium eutectic has been developed. The LMIS emits a variety of ions including monatomic gold and gold…”
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Surface chemical analysis of raw cotton fibres and associated materials by Mitchell, R, Carr, C. M, Parfitt, M, Vickerman, J. C, Jones, C

“…The surface chemical composition of raw unscoured cotton was successfully investigated by the surface analytical techniques X-ray Photoelectron Spectroscopy…”
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C 60 cluster ion bombardment of organic surfaces by Weibel, D.E., Lockyer, N., Vickerman, J.C.

“…This paper reviews the results obtained with a C 60-based ion beam system developed for routine application in ToF-SIMS analysis of organic materials. The…”
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TOF-SIMS Analysis Using C 60 . Effect of Impact Energy on Yield and Damage by Fletcher, John S., Conlan, Xavier A., Jones, Emrys A., Biddulph, Greg, Lockyer, Nicholas P., Vickerman, John C.

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Development of a C 60+ ion gun for static SIMS and chemical imaging by Wong, S.C.C., Hill, R., Blenkinsopp, P., Lockyer, N.P., Weibel, D.E., Vickerman, J.C.

“…This paper reports initial data from the application of the first dedicated buckminsterfullerene ion beam system developed for routine use on existing ToF-SIMS…”
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Is proton cationization promoted by polyatomic primary ion bombardment during time-of-flight secondary ion mass spectrometry analysis of frozen aqueous solutions? by Conlan, Xavier A., Lockyer, Nicholas P., Vickerman, John C.

“…Ion bombardment of pure water ice by Au+ monoatomic and Au 3+ and C 60+ polyatomic projectiles results in the emission of two series of water cluster…”
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Applications of Fourier transform infrared microspectroscopy in studies of benign prostate and prostate cancer. A pilot study by Gazi, E, Dwyer, J, Gardner, P, Ghanbari-Siahkali, A, Wade, AP, Miyan, J, Lockyer, NP, Vickerman, JC, Clarke, NW, Shanks, JH, Scott, LJ, Hart, CA, Brown, M

“…Fourier transform infrared (FTIR) microspectroscopy has been applied to a study of prostate cancer cell lines derived from different metastatic sites and to…”
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Progress in cellular analysis using ToF-SIMS by Lockyer, N.P., Vickerman, J.C.

“…The analysis of cellular biochemistry represents an exciting frontier for ToF-SIMS. The rewards of opening up the life sciences arena are extremely high and a…”
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The combined application of FTIR microspectroscopy and ToF-SIMS imaging in the study of prostate cancer by Gazi, Ehsan, Dwyer, John, Lockyer, Nicholas, Gardner, Peter, Vickerman, John C, Miyan, Jaleel, Hart, Claire A, Brown, Mick, Shanks, Jonathan H, Clarke, Noel

“…At present. a prognosis for prostate cancer (CaP) is determined by its accurate assessment of disease grade and stage. Histopathological typing using the…”
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Application of TOF-SIMS with Chemometrics To Discriminate between Four Different Yeast Strains from the Species Candida glabrata and Saccharomyces cerevisiae by JUNGNICKEL, H., JONES, E. A., LOCKYER, N. P., OLIVER, S. G., STEPHENS, G. M., VICKERMAN, J. C.

“…We present a TOF-SIMS analysis of the cell surface differences between four yeast strains from two species, Candida glabrata and Saccharomyces cerevisiae…”
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Classification of adsorbed protein static ToF-SIMS spectra by principal component analysis and neural networks by Sanni, O. D., Wagner, M. S., Briggs, D., Castner, D. G., Vickerman, J. C.

“…Analysis of the static time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) spectra of adsorbed protein films is reported using principal component…”
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Performance characteristics of a chemical imaging time-of-flight mass spectrometer by Braun, Robert M., Blenkinsopp, Paul, Mullock, Steve J., Corlett, Clive, Willey, Kenneth F., Vickerman, John C., Winograd, Nicholas

“…A chemical imaging time‐of‐flight secondary ion mass spectrometer is described. It consists of a liquid metal ion gun, medium energy resolution reflectron mass…”
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Probing cell chemistry with time-of-flight secondary ion mass spectrometry: development and exploitation of instrumentation for studies of frozen-hydrated biological material by Cliff, Ben, Lockyer, Nicholas, Jungnickel, Harald, Stephens, Gill, Vickerman, John C.

“…Imaging static secondary ion mass spectrometry (SIMS) offers a powerful method of obtaining molecular information from biological systems with good spatial…”
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Mechanisms of secondary ion emission from self-assembled monolayers and multilayers by Wong, Stephen C. C., Lockyer, Nicholas P., Vickerman, John C.

“…Alkanethiol self‐assembled monolayers/multilayers (SAMs) have been applied as model organic systems with which to investigate secondary ion formation and…”
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ToF-SIMS studies as a tool to discriminate between spores and vegetative cells of bacteria by Thompson, C.E., Jungnickel, H., Lockyer, N.P., Stephens, G.M., Vickerman, J.C.

“…Within the field of microbiology rapid bacterial identification is a subject of growing interest. Research into food borne pathogens and disease causing…”
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Kiloelectronvolt Particle-Induced Emission and Fragmentation of Polystyrene Molecules Adsorbed on Silver:  Insights from Molecular Dynamics by Delcorte, A, Vanden Eynde, X, Bertrand, P, Vickerman, J. C, Garrison, B. J

“…Polystyrene oligomers adsorbed on Ag{111} have been used as a model system for a molecular dynamics study of polyatomic fragment ejection from large organic…”
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Development of instrumentation for routine ToF-SIMS imaging analysis of biological material by Cliff, B., Lockyer, N.P., Corlett, C., Vickerman, J.C.

“…The routine analysis of frozen-hydrated biological material is a goal that is highly sought after in the ToF-SIMS community. To this end we have developed a…”
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ToF-SIMS Studies of Sulfuric Acid Hydrate Films by Fletcher, John S, Henderson, Alex, Horn, Andrew B, Vickerman, John C

“…A variety of sulfuric acid hydrate films, formed by the co-deposition of SO3 and H2O on a cooled substrate, have been analyzed using time-of-flight secondary…”
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ToF-SIMS analysis of atmospherically relevant sulphuric acid hydrate films and reactions thereof by Fletcher, J.S., Vickerman, J.C.

“…Sulphuric acid hydrate films have been formed under UHV conditions by the co-deposition of SO 3 and H 2O on a cooled substrate and analysed using secondary ion…”
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