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Images of D. melanogaster first-instar larvae subjected to incubation with 10 μM probe A for 2 h, and further incubation with 10 μg/mL NTR, and 500 μM NADH at 37 °C for 120 min. Scale bar: 200 μm. (650 ± 30 nm, λex = 580 nm semiconductor laser).
