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Skin morphology and...
Skin morphology and layer identification using different STIM geometries
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Aguer, P (author)
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Alves, LC (author)
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Barberet, P (author)
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Gontier, E (author)
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Incerti, S (author)
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Michelet-Habchi, C (author)
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Kertesz, Z (author)
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Kiss, AZ (author)
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Moretto, P (author)
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- Pallon, Jan (author)
- Lund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Pinheiro, T (author)
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Surleve-Bazeille, JE (author)
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Szikszai, Z (author)
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Verissimo, A (author)
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Ynsa, MD (author)
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- English.
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In: Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. - : Elsevier BV. - 0168-583X. ; 231:1-4, s. 292-299
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The use of on-axis geometry in scanning transmission ion microscopy (STIM) has been widely used for thin biological sample structure identification. In this configuration, the lateral resolution is optimised so that micron or submicron beam spots are easily achieved even for classic microbeam lines. Off-axis STIM was more particularly employed for rapid imaging, and also (when associated to a scattering set-up) for normalising elemental contents obtained by other ion beam analysis techniques in organic thin samples. Due to the very small beam current required, on-axis STIM is a stand-alone technique. Off-axis STIM can be advantageous as it enables the simultaneous utilisation of PIXE and RBS techniques. In this paper, the STIM images obtained with an on-axis geometry, a standard off-axis geometry and a recently developed on-off geometry are presented and discussed. Data from skin samples are used for comparison purposes aiming at studying skin permeability to sunscreens. Skin is a stratified tissue and the precise identification of skin layers is needed to ascertain the penetration depth of the physical filter from the formulation. In addition to the intrinsic difference in image quality due to the beam resolution, the influence of the detector type, implanted silicon detector versus Si pin diode, is discussed on the basis of their energy resolution.. their resistance to beam damage as well as the effect
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- beam damage
- image quality
- STIM
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Aguer, P
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Alves, LC
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Barberet, P
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Gontier, E
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Incerti, S
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Michelet-Habchi, ...
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show more...
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Kertesz, Z
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Kiss, AZ
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Moretto, P
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Pallon, Jan
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Pinheiro, T
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Surleve-Bazeille ...
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Szikszai, Z
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Verissimo, A
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Ynsa, MD
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
- Articles in the publication
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Nuclear Instrume ...
- By the university
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Lund University