Research Article

Effect and Mechanism of 808 nm Light Pretreatment of Hypoxic Primary Neurons

Figure 3

Morphology of the primary cortical neurons in culture (400X). (a) Control, (b) Neurons without any treatment for 3 days then exposed to 100 μM/L-CoCl2 for 12 hours. (c) Neurons irradiated for 80 seconds in the dark with 25 mW/cm2 808 nm LED light, once a day for 3 days, then exposed to 100 μM/L-CoCl2 for 12 hours. (d) Neurons were irradiated by 25 mW/cm2 808 nm LED light for 3 days then exposed for 12 hours without 100 μM/L-CoCl2 treatment. Images shown are representative of several plates for each group.
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(a)
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(b)
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(c)
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(d)