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Fig. 1 | Particle and Fibre Toxicology

Fig. 1

From: Oxygenated polycyclic aromatic hydrocarbons from ambient particulate matter induce electrophysiological instability in cardiomyocytes

Fig. 1

Effect of ambient PM on the electrophysiological stability of cardiomyocytes. a Electrophysiological parameter data averages from cardiomyocytes with ambient PM infusion (n = 6). b Representative fluorescence images of ROS generation or intracellular calcium in PM-treated cardiomyocytes using H2DCF-DA (top, green) or Fluo-4 AM (under, green), respectively (n = 5). Nuclei were stained with DAPI (blue). The rate of fluorescence in every case was quantified by SIBIA software. Values are represented as mean ± SD. *P < 0.05 or **P < 0.01 compared with control. RMP: resting membrane potential, SPM: PM collected in summer, WPM: PM collected in winter

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