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Fluorescence properties of coumarin-gelatin RFG dosimeter, excitation (dashed-lines) and emission (solid-lines) spectra for solutions of 7% gelatin with 0.9 mM C3CA and 0.1 mM umbelliferone. Curves are labeled in the graph. X-axis represents wavelength of emitted and collected light, Y-axis is not shown but represents an arbitrary unit of light intensity.
