Table 1

Inhibition percentage of AO caused by AgNPs and Ag+

MicroorganismSilver species and concentrationInhibition percentage of AO (%)Reference
BA-entrapped nitrifying sludge AgNPs at 10 mg/L 20.8 This study
BA-entrapped nitrifying sludge Ag+ at 0.1 mg/L 15.0 This study
Free nitrifying sludge AgNPs at 10 mg/L 63.3 Giao et al. (2017)
Free nitrifying sludge Ag+ at 0.1 mg/L 75.3 Giao et al. (2017)
Calcium alginate-entrapped nitrifying sludge AgNPs at 5 mg/L 19.0–35.0 Siripattanakul-Ratpukdi et al. (2014)
PVA-entrapped nitrifying sludge AgNPs at 1 mg/L 18.0–95.0 Siripattanakul-Ratpukdi et al. (2014)
Free nitrifying sludge Ag+ at 1 mg/L 13.5 Liang et al. (2010)
Free nitrifying sludge AgNPs at 1 mg/L 41.4 Liang et al. (2010)
Free nitrifying sludge AgNPs at 1 mg/L 100.0 Choi et al. (2009)
MicroorganismSilver species and concentrationInhibition percentage of AO (%)Reference
BA-entrapped nitrifying sludge AgNPs at 10 mg/L 20.8 This study
BA-entrapped nitrifying sludge Ag+ at 0.1 mg/L 15.0 This study
Free nitrifying sludge AgNPs at 10 mg/L 63.3 Giao et al. (2017)
Free nitrifying sludge Ag+ at 0.1 mg/L 75.3 Giao et al. (2017)
Calcium alginate-entrapped nitrifying sludge AgNPs at 5 mg/L 19.0–35.0 Siripattanakul-Ratpukdi et al. (2014)
PVA-entrapped nitrifying sludge AgNPs at 1 mg/L 18.0–95.0 Siripattanakul-Ratpukdi et al. (2014)
Free nitrifying sludge Ag+ at 1 mg/L 13.5 Liang et al. (2010)
Free nitrifying sludge AgNPs at 1 mg/L 41.4 Liang et al. (2010)
Free nitrifying sludge AgNPs at 1 mg/L 100.0 Choi et al. (2009)
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