Figure 2 | Scientific Reports

Figure 2

From: Pulse frequency dependency of photobiomodulation on the bioenergetic functions of human dental pulp stem cells

Figure 2

Biological responses of hDPSCs to CW- and PW-PBM with different frequencies. (A) Intracellular ROS was measured with H2DCFDA. NAC was used to confirm the fluorescence signals. (B) Proliferation of hDPSCs was assessed with WST-1 at the elapsed times of 1, 2, and 3 days. (C) Alkaline phosphatase activity was measured at the elapsed times of 3, 7, and 14 days. Statistical significance is marked with *, **, and *** when P < 0.05, P < 0.01, and P < 0.001, respectively.

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