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X-ray Imaging and Microspectroscopy of Plants and Fungi by W. Yun; S. T. Pratt; R. M. Miller; Z. Cai; D. B. Hunter; A. G. Jarstfer; K. M. Kemner; B. Lai; H.-R. Lee; D. G. Legnini; W. Rodrigues; C. I. Smith is a Physics and Astronomy article available to read on EtoBox.

What is X-ray Imaging and Microspectroscopy of Plants and Fungi about?

X-ray ̄uorescence microscopy and microspectroscopy with micrometre spatial resolution and unprecedented capabilities for the study of biological and environmental samples are reported. These new capabilities are a result of both the combination of high-brilliance synchrotron radiation and high-performance X-ray microfocusing optics and the intrinsic advantages of X-rays for elemental mapping and chemical-state imaging. In this paper, these capabilities are illustrated by experimental results on hard X-ray phase-contrast imaging, X-ray ̄uorescence (XRF) imaging and microspectroscopy of mycorrhizal plant roots and fungi in their natural hydrated state. The XRF microprobe is demonstrated by the simultaneous mapping of the elemental distributions of P, S, K, Ca, Mn, Fe, Ni, Cu and Zn with a spatial resolution of approximately 1 Â 3 mm and with an elemental sensitivity of approximately 500 p.p.b. Microspectroscopy with the same spatial resolution is demonstrated by recording near-edge X-ray absorption (XANES) spectra of Mn at a concentration of approximately 3 p.p.m.

Who reads X-ray Imaging and Microspectroscopy of Plants and Fungi?

Author

W. Yun; S. T. Pratt; R. M. Miller; Z. Cai; D. B. Hunter; A. G. Jarstfer; K. M. Kemner; B. Lai; H.-R. Lee; D. G. Legnini; W. Rodrigues; C. I. Smith

Publisher

International Union of Crystallography; Blackwell Publishing Inc.; International Union of Crystallography (IUCr) (ISSN 0909-0495)

Published

1998

Language

EN

Field

Physics and Astronomy (Physical Sciences)