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A Radio-Fluorogenic Organic Gel for Real-Time, 3D Radiation Dosimetry

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Abstract

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A radio-fluorogenic gel makes it possible to visualize the spatial intensity of “invisible” ionizing radiation. This is illustrated for the gamma-ray emission from a small seed of the radioactive 192Ir isotope of iridium. The underlying mechanism involves the conversion of a non-fluorescent molecule into a fluorescent form when incorporated into a radiation-initiated, growing chain of a bulk monomer.

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