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Edible, surfactant‐stripped, frozen micelles are formed from pheophytin (demetallated chlorophyll), a pigment that is naturally consumed in human diets. Pheophytin nanoparticles pass completely and safely through the gastrointestinal tract and enable trimodal gut contrast imaging via photoacoustic, fluorescence, and positron emission tomography techniques.
On page 8524, J. F. Lovell and co‐workers report that pheophytin (demetallated chlorophyll), a safe pigment that is naturally consumed in human diets, can be used to form stable, surfactant‐stripped micelles. Pheophytin nanoparticles pass completely and safely through the gastrointestinal tract and enable trimodal gut contrast imaging via photoacoustic, fluorescence, and positron emission tomography...
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