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A pressure-actuated flow cell for soft X-ray spectromicroscopy in liquid media

Abstract : We present and fully characterize a flow cell dedicated to imaging in liquid at the nanoscale. Its use as a routine sample environment for soft X-ray spectromicroscopy is demonstrated, in particular through the spectral analysis of inorganic particles in water. The care taken in delineating the fluidic pathways and the precision associated with pressure actuation ensure the efficiency of fluid renewal under the beam, which in turn guarantees a successful utilization of this microfluidic tool for in situ kinetic studies. The assembly of the described flow cell necessitates no sophisticated microfabrication and can be easily implemented in any laboratory. Furthermore, the design principles we relied on are transposable to all microscopies involving strongly absorbed radiations (e.g. X-ray, electron), as well as to all kinds of X-ray diffraction/scattering techniques.
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https://hal-cea.archives-ouvertes.fr/cea-02907954
Contributor : Serge Palacin <>
Submitted on : Tuesday, July 28, 2020 - 9:08:16 AM
Last modification on : Saturday, October 10, 2020 - 3:07:29 AM

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Charlie Gosse, Stefan Stanescu, Joni Frederick, Stéphane Lefrançois, Aymeric Vecchiola, et al.. A pressure-actuated flow cell for soft X-ray spectromicroscopy in liquid media. Lab on a Chip, Royal Society of Chemistry, 2020, 20, pp.3213-3217. ⟨10.1039/C9LC01127G⟩. ⟨cea-02907954⟩

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