Advances in Molecular Electronics: a brief Review


ETO-NPs with different concentrations



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ETO-NPs with different concentrations. 
Figure 7a:
 Left: different concentrations of ETO-NP vs. Zone inhibition 
(2 dimensional graph depicting antifungal activity that the higher 
concentration of ETO-NP causes higher percentage of toxic activity). 
Right: antibacterial activity of ETO-NPs against Aspergillus and
Mucor using the well-known technique of disc diffusion. 
 
ETO-NPs with different concentrations. 
Figure 7b:
 Left: different concentrations of ETO-NP vs. Zone inhibition 
(2 dimensional graph depicting antifungal activity that the higher 
concentration of ETO-NP causes higher percentage of toxic activity). 
Right: antibacterial activity of ETO-NPs against Aspergillus and
Mucor using the well-known technique of disc diffusion. 
Table 2: 
 Antifungal activity of ETO-NPs with different concentrations. 
Compound 
Aspergillus (Zone inhibition) 
ETO-NPs 
Concentration 
Control 
100 mg 
200 mg 
300 mg 
13 mm 
18 mm 
21 mm 
22 mm 
Mucor (Zone inhibition) 
Concentration 
Control 
100 mg 
200 mg 
300 mg 
21 mm 
13 mm 
14 mm 
17 mm 
Antibacterial Activity of ETO-Nps 
The ratio between surface area and volume is very high for the 
ETO-NPs and this property allows that the rare earth metal ETO-
NPs seem to be a promising conventional alternative antibacterial 
agent in the place of antibiotics. The antibacterial activities of 
ETO- NPs are treated at various concentrations with 100-300 mg 
against Bacillus Sp. and E. coli using disk diffusion technique 
which is shown in ( Figure 8). The minimum antibacterial 
activity has been observed by adding each 100 mg of ETO-NPs 
on the Bacillus Sp. and E. coli with observed inhibitions zone are 
19 and 13 mm respectively. Similarly, the maximum activity was 
observed against Bacillus Sp. and E. coli with zone inhibition of 
23 and 18 mm respectively by adding each 300 mg of synthesized 
ETO-NPs. It was observed from (Table 3) and chart in fig.8 that 
the ETO-NPs are more effective against BACILLUS SP than 
and E. coli bacteria. 
Figure 8:
 Left: different concentrations of ETO-NP vs. Zone inhibition (2 
dimensional graph depicting antibacterial activity that the higher 
concentration of ETO-NP causes higher activity). Right: antibacterial 
activity of ETO-NPs against Bacillus SP and E.Coli using the technique 
of disc diffusion. 

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