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Molecular depth profiling of organic and biological materials Fletcher, John S., Conlan, Xavier A., Lockyer, Nicholas P. and Vickerman, John C. 2006, Molecular depth profiling of organic and biological materials, Applied surface science, vol. 252, no. 19, pp. 6513-6516. Attached Files Name Description MIMEType Size Downloads Title Molecular depth profiling of organic and biological materials Author(s) Fletcher, John S. Conlan, Xavier A. Lockyer, Nicholas P. Vickerman, John C. Journal name Applied surface science Volume number 252 Issue number 19 Start page 6513 End page 6516 Publisher Elsevier Place of publication Amsterdam, The Netherlands Publication date 2006-07-30 ISSN 0169-4332 1873-5584 Summary Atomic depth profiling using secondary ion mass spectrometry, SIMS, is common in the field micro-electronics; however, the generation of molecular information as a function of sample depth is difficult due to the accumulation of damage both on and beneath the sample surface. The introduction of polyatomic ion beams such as SF5 and C60 have raised the possibility of overcoming this problem as they deposit the majority of their energy in the upper surface of the sample resulting in increased sputter yields but with a complimentary reduction in sub-surface damage accumulation. In this paper we report the depth profile analysis of the bio-polymer polycaprolactone, PCL, using the polyatomic ions Au3+ and C60+ and the monoatomic Au+. Results are compared to recent analysis of a similar sample using . depth profiling of cellulose is also demonstrated, an experiment that has been reported as unsuccessful when attempted with implications for biological analysis are discussed. Language eng Field of Research 060101 Analytical Biochemistry HERDC Research category C1.1 Refereed article in a scholarly journal Copyright notice ©2006, Elsevier B.V. Persistent URL http://hdl.handle.net/10536/DRO/DU:30028590 Document type: Journal Article Collections: Centre for Material and Fibre Innovation School of Life and Environmental Sciences Related Links Link Description Connect to published version (restricted access) Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Wed, 12 May 2010, 14:39:10 EST Wed, 12 May 2010, 14:46:30 EST Wed, 12 May 2010, 14:48:17 EST Wed, 12 May 2010, 14:49:22 EST Mon, 16 Jun 2014, 15:32:38 EST Filtered Full Citation counts:   Cited 32 times in TR Web of Science Cited 32 times in Scopus Search Google Scholar Access Statistics: 319 Abstract Views, 1 File Downloads  -  Detailed Statistics Created: Wed, 12 May 2010, 14:39:08 EST by Leanne Swaneveld

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