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Abstract

In order to provide a fluorescence measurement method and a fluorescence measurement device that are provided by a simpler structure, and are more inexpensive and capable of measuring an amount of fluorescence using a very small amount of sample, using a fluorescence measurement device including a light-blocking measurement box to which a microtube is loaded; a container support part disposed inside the measurement box, the container support part vertically supporting the microtube; an excitation light source part disposed inside the measurement box, the excitation light source part including a light source that horizontally irradiates excitation light a sidewall surface of the loaded microtube; and a fluorescence detection part provided at an upper portion of the measurement box and above the loaded microtube, the fluorescence detection part measuring an amount of fluorescence in a particular wavelength range from a target sample, a microtube charged with a target liquid sample is loaded into the measurement box, the microtube that is uncapped is irradiated laterally in a horizontal direction with excitation light having a particular peak wavelength, and an amount of fluorescence from the target liquid sample excited by light distributed to the entire region of the target liquid inside the tube using a sidewall surface of the microtube as an excitation light waveguide and light leaking from the sidewall surface is measured by a fluorescence detection part for a particular wavelength range.

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First Claim