Abstract
An X-ray microprobe for trace elemental analysis at micrometer spatial resolutions, using synchrotron radiation (SR), is under development. The facility consists of two beamlines, one including a 1:1 focusing mirror and the other an 8:1 ellipsoidal mirror. At present, “white light” is used for excitation of the characteristic X-ray fluorescence lines. Sensitivities in thin biological samples are in the range of 2–20 fg in 100μm2 areas in 5 min irradiation times. Scanning techniques, as well as microtomography and chemical speciation, are discussed. Application to a specific biomedical study is included.
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Gordon, B.M. et al. (1990). An X-Ray Microprobe Facility Using Synchrotron Radiation. In: Zeisler, R., Guinn, V.P. (eds) Nuclear Analytical Methods in the Life Sciences. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-4612-0473-2_15
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DOI: https://doi.org/10.1007/978-1-4612-0473-2_15
Publisher Name: Humana Press, Totowa, NJ
Print ISBN: 978-1-4612-6777-5
Online ISBN: 978-1-4612-0473-2
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