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. 2021 Sep 8;6(37):23654–23665. doi: 10.1021/acsomega.1c03215

Table 2. Effects of CNTs on Soil Microorganism.

sample no organism CNTs treatment effect ref
1 Microbial communities MWCNT 10–100 mg/kg No visible effects (16a)
2 Microbial communities MWCNT 0,50,500, and 5000 mg/g Reduced enzyme activity, microbial biomass, and extracellular enzyme activity (14e)
3 Microbial communities Raw and acid treated, functionalized MWCNTs 0–5000 mg/kg Bacterial community composition affected but recovered afterward (16b)
4 Escherichia coli SWNTs 1–50 mg/mL Strong antimicrobial properties. (16c)
5 Gram-negative Escherichia coli, Pseudomonas aeruginosa, and gram-positive Staphylococcus aureus, Bacillus subtilis SWCNT dispersed and SWCNT agglomerates in saline solution 5 g/mL Higher antibacterial activity to gram-positive bacteria compared to agglomerates. (9b)
6 Bacterial and fungal communities Carboxyl-functionalized SWCNTs 0.5 mg/L Alteration on Pseudomonas putida (Gram-negative) phase transition temperatures. Higher doses had maximum biomass loss. (16d)
7 Gram-positive, Gram-negative bacteria, and fungal population SWCNT 0.03–1 mg/g Reduced biomass of microbe and fungal population (14g)