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Proton transfer in fluorescent secondary amines: synthesis, photophysics, theoretical calculation and preparation of photoactive phosphatidylcholine-based liposomes
Research on the topic is still fairly limited, meaning it is unclear whether the same effect is present in humans
Schultz HS, stergaard S, Sidney J, Lamberth K, Sette A
They are not quite an electronic, so you don't have to program the time on them
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