Fig. 6: Increase of metabolic rate of the CDs-fed S. oneidensis MR-1.
From: Carbon dots-fed Shewanella oneidensis MR-1 for bioelectricity enhancement
a ETSA measurement of S. oneidensis MR-1 with/without the CDs addition for 12 h incubation (n = 4). b ATP level of the pristine cells and cells incubated with the CDs for 12 h (n = 4). c, d AFM results of living S. oneidensis MR-1 on positively charged glass slides without the CDs and after 6 h-incubation with the CDs. The color bars indicate height difference from 0 to 900 nm and the scale bars are 10 µm. e Riboflavin concentration (n = 3) and f CV curves (10 mV s‒1) of MEC-CD and control group, where MEC-CD and Control group represent the MEC of S. oneidensis MR-1 with and without CDs’ addition, respectively. Data in a, b, e are expressed as the mean ± standard deviation. Two-tailed Student’s t-test: *p < 0.05, and **p < 0.01.
