Release, Transport and Toxicity of Engineered Nanoparticles - Reviews of Environmental Contamination and Toxicology - page 17

Table 5 A summary of the toxic effects that ENPs have produced on different organisms
Nanoparticle studied Concentration used Organism studied Observed effects References

Bacteria
Nano C 60 0.5-3.0mg/L(MIC)and

1.5-4.0mg/L(MBC)

Escherichia coli and Bacillus
subtilis

MIC and MBC Lyonetal.( 2005 )

C 60 0.5and0.01mg/L Pseudomonas putida and Bacillus

subtilis

Decreased unsaturated fatty acid and increase
in cyclopropane fatty acid

Fangetal.( 2007 )

nC 60 1 and 1,000 ʼg/g Total microbial biomass Less impact on bacterial community Tongetal.( 2007 )

SWNTs(0.75-1.2) 1-50 ʼg/L Escherichia coli K12 Loss in viability which increases with time Kangetal.( 2007 )

Silver nanoparticles 10 and 50 ʼg/mL Escherichia coli Inhibitioningrowth,leakageofreducing

sugars and proteins, depression of activity of
membranousenzymes

Lietal.( 2010 )

Nanosilver(15-21nm) 10mg/L Escherichia coli Aggregation and penetration after 1 h of exposure Choietal.( 2010 )

TiO 2 (20and10nm) 5mg/L Planktonsandbioilms Cell membrane damage Battinetal.( 2009 )

Nano TiO 2 , SiO 2 And
ZnO

TiO 2 —1,000mg/L-
5,000mg/L

Bacillus subtilis and Escherichia
coli

Antibacterial activity increases in order
SiO 2 < TiO 2 < ZnO

Adamsetal.( 2006 )

SiO 2 —>5,000mg/L
ZnO—10and1,000mg/L

ZnO(1.4-14nm) 10 −2 -3.0×10 −3 M Escherichia coli Inhibition in bacterial growth, cellular

internalizationandincreasedmembrane
permeability

Brayneretal.( 2006 )

CeO 2 (7nm) 0-730mg/L Escherichia coli Cytotoxicity was observed when nanoparticles

contact with the bacterial cell

Thilletal.( 2006 )

Quantumdots(CdSe) 10mg/L-1g/Latmoderate

acidicandalkalinepH

Escherichia coli and Bacillus
subtilis

Reduced growth with intact surface coating
whereas no growth with weathered surface
coatings

Mahendraetal.( 2008 )

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