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Creators/Authors contains: "Reis, D"

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  1. ; ; ; ; ; ; (, Chemical Communications)
    Hydrogen selenide (H2Se) is an emerging bioregulator and precursor to essential selenium-containing biomolecules. We show that aryl isoselenocyanates (ISeC-R) release H2Se upon activation by cysteine, and that electronic substitution can modulate release profiles. We also demonstrate applications to live cell imaging, expanding available tools for investigating H2Se chemical biology. 
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    Free, publicly-accessible full text available October 30, 2026
  2. ; ; ; ; ; ; ; ; ; ; et al (, Journals of Accelerator Conferences Website (JACoW))
    Accepted Manuscript Full Text Available
  3. ; ; ; ; ; ; ; ; ; ; et al (, IPAC)
    We present the design of a pair spectrometer for use at FACET-II, where there is a need for spectroscopy of photons having energies up to 10 GeV. Incoming gammas are converted to high-energy positron-electron pairs, which are then subsequently analyzed in a dipole magnet. These charged particles are then recorded in arrays of acrylic Cherenkov counters, which are significantly less sensitive to background x-rays than scintillator counters in this case. To reconstruct energies of single high-energy photons, the spectrometer has a sensitivity to single positron-electron pairs. Even in this single-photon limit, there is always some low-energy continuum present, so spectral deconvolution is not trivial, for which we demonstrate a maximum likelihood reconstruction. Finally, end-to-end simulations of experimental scenarios, together with anticipated backgrounds, are presented. 
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