2014
DOI: 10.1016/j.powtec.2014.01.010
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Characterization and antibacterial activity of nanostructured ZnO thin films synthesized through a hydrothermal method

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Cited by 68 publications
(32 citation statements)
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“…The observed difference in the diameter of the inhibition zone may be due to the difference in the susceptibility of the different bacteria to the prepared ZnO particles (Bindhu and Umadevi 2015). Table 2 reveals that the moderate effect of antibacterial activity against K. pneumonia (300 mg/mL) and B. subtilis (200 mg/mL and 300 mg/mL) can be attributed to the weak attachment of ZnO particles towards the cell wall membrane of the bacteria resulting in the minimization of the formation of the reactive oxygen species (ROS) such as H 2 O 2 which are responsible for the inhibition of the building elements of the bacteria (Ekthammathat et al 2014). As can be seen from Table 2, the maximum antibacterial activity of ZnO was against S. aureus.…”
Section: Electrical Studiesmentioning
confidence: 96%
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“…The observed difference in the diameter of the inhibition zone may be due to the difference in the susceptibility of the different bacteria to the prepared ZnO particles (Bindhu and Umadevi 2015). Table 2 reveals that the moderate effect of antibacterial activity against K. pneumonia (300 mg/mL) and B. subtilis (200 mg/mL and 300 mg/mL) can be attributed to the weak attachment of ZnO particles towards the cell wall membrane of the bacteria resulting in the minimization of the formation of the reactive oxygen species (ROS) such as H 2 O 2 which are responsible for the inhibition of the building elements of the bacteria (Ekthammathat et al 2014). As can be seen from Table 2, the maximum antibacterial activity of ZnO was against S. aureus.…”
Section: Electrical Studiesmentioning
confidence: 96%
“…This is because of the firm attachment of ZnO particles to the outer cell wall membrane of the bacteria. After that, ZnO particles begin to release oxygen species into the medium (bacteria), which will inhibit the growth of cell leading to the distortion and leakage of the cell and finally the death of the cell (Ekthammathat et al 2014).…”
Section: Electrical Studiesmentioning
confidence: 99%
“…In the present study 0.1 mg/ml concentration showed maximum antifungal activity against Aspergillussp. Moreover the concentration dependency as well as particle size is the factors determining the maximum antifungal activity against Penicillium expansum 20 .It is concluded that ZnO has the maximum antifungal activity when compared to other nanoparticles with minimum concentration 21 .…”
Section: B Fesem Analysis With Edaxmentioning
confidence: 99%
“…When the Na 3 C 6 H 5 O 7 ·2H 2 O is introduced into the ZnAc 2 ·2H 2 O solution, Zn 2+ ions are partly precipitated into Zn(OH) 2 due to the chelating between Zn 2+ and sodium citrate. In the NaOH alkaline solutions, Zn(OH) 4 2− formed, and then the ZnO nanoparticles are synthesized by dehydration of the Zn(OH) 4 2− ions [10]. The overall reaction for the growth of ZnO crystals may be expressed by the following equations: As a chelating agent, glycerol is easy bond to form a stable complex compound with Zn 2+ in the solvent and hinders the rapid escape to different orientations of nanoparticles, so that the ZnO nanoparticles oriented attachment on the surface of Zn(OH) 2 precipitation and form ZnO six-sided pyramid.…”
Section: Experimental Detailmentioning
confidence: 99%