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Characterization of a submicro-X-ray fluorescence setup on the B16 beamline at Diamond Light Source

DOI: 10.1107/S1600577518006203 DOI Help

Authors: M. Rauwolf (Atominstitut, TU Wien) , Anna Turyanskaya (Atominstitut, TU Wien) , D. Ingerle (Atominstitut, TU Wien) , N. Szoboszlai (Eötvös Loránd University) , I. Pape (Diamond Light Source) , A. W. Malandain (Diamond Light Source) , O. J. L. Fox (Diamond Light Source) , L. Hahn (Karlsruhe Institute of Technology (KIT)) , K. J. S. Sawhney (Diamond Light Source) , C. Streli (Atominstitut, TU Wien)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Synchrotron Radiation , VOL 25

State: Published (Approved)
Published: July 2018
Diamond Proposal Number(s): 12705 , 12869 , 15267 , 16260

Open Access Open Access

Abstract: An X-ray fluorescence setup has been tested on the B16 beamline at the Diamond Light Source synchrotron with two different excitation energies (12.7 and 17 keV). This setup allows the scanning of thin samples (thicknesses up to several micrometers) with a sub-micrometer resolution (beam size of 500 nm × 600 nm determined with a 50 µm Au wire). Sensitivities and detection limits reaching values of 249 counts s−1 fg−1 and 4 ag in 1000 s, respectively (for As Kα excited with 17 keV), are presented in order to demonstrate the capabilities of this setup. Sample measurements of a human bone and a single cell performed at B16 are presented in order to illustrate the suitability of the setup in biological applications.

Journal Keywords: SR submicro-XRF; beamline B16; elemental imaging; scanning; human bone; cells

Diamond Keywords: Bone

Subject Areas: Technique Development, Biology and Bio-materials


Instruments: B16-Test Beamline

Added On: 19/06/2018 14:15

Documents:
pp5117.pdf

Discipline Tags:

Technique Development - Life Sciences & Biotech Biophysics Life Sciences & Biotech

Technical Tags:

Imaging X-ray Fluorescence (XRF)