Figure 1 | Scientific Reports

Figure 1

From: Digital Proxy of a Bio-Reactor (DIYBOT) combines sensor data and data analytics to improve greywater treatment and wastewater management systems

Figure 1

Scanning electron micrographs showing metallic nanoparticles bound to the surface of a HfMBR biofilm. (A) Low resolution SEM shows a dense network of cells bound by EPS. (B) Inset from panel A indicates small 20 ± 6 nm particles bound to the surface of the biofilm. (C) Representative image of HfMBR biofilm with two regions of interest highlighted to indicate location of elemental analysis; position 1 = spectrum acquired on cell surface with no visible nanoparticle, position 2 = spectrum for 25 nm nanoparticle near the surface of a cell. (D) Average elemental analysis from 20 spectrum acquired for biofilms without nanoparticles (pos. 1) and with nanoparticles (pos. 2).

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