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01000naa a22002652 4500 |
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NLM253111471 |
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DE-627 |
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20231224165530.0 |
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cr uuu---uuuuu |
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231224s2015 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1007/s10646-015-1554-1
|2 doi
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5 |
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|a pubmed24n0843.xml
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|a (DE-627)NLM253111471
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|a (NLM)26407711
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Xiong, Lu
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Morphology-dependent antimicrobial activity of Cu/CuxO nanoparticles
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| 264 |
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1 |
|c 2015
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 07.09.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Cu/CuxO nanoparticles (NPs) with different morphologies have been synthesized with glucose as a reducing agent. The X-ray diffraction and Scanning electron microscopy imaging show that the Cu/CuxO NPs have fine crystalline peaks with homogeneous polyhedral, flower-like, and thumbtack-like morphologies. Their antimicrobial activities were evaluated on inactivation of Escherichia coli using a fluorescence-based live/dead staining method. Dissolution of copper ions from these NPs was determined. Results demonstrated a significant growth inhibition for these NPs with different morphologies, and the flower-like Cu/CuxO NPs were the most effective form, where more copper ions were dissolved into the culture media. Surface free energy calculations based on first-principle density functional theory show that different crystal facets of the copper NPs have diverse surface energy, indicating the highest reactivity of the flower-like NPs, which is consistent with the results from the dissolution study and antimicrobial activity test. Together, these results suggest that the difference between the surface free energy may be a cause for their morphology-dependent antimicrobial activity
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Antimicrobial activity
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| 650 |
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4 |
|a Copper nanoparticles
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| 650 |
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4 |
|a Morphology
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| 650 |
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4 |
|a Surface free energy
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| 650 |
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7 |
|a Anti-Infective Agents
|2 NLM
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| 650 |
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7 |
|a Copper
|2 NLM
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| 650 |
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7 |
|a 789U1901C5
|2 NLM
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| 650 |
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7 |
|a cuprous oxide
|2 NLM
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| 650 |
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7 |
|a T8BEA5064F
|2 NLM
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| 650 |
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7 |
|a cupric oxide
|2 NLM
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| 650 |
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7 |
|a V1XJQ704R4
|2 NLM
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| 700 |
1 |
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|a Tong, Zhong-Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jie-Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ling-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Han-Qing
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 24(2015), 10 vom: 25. Dez., Seite 2067-72
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
1 |
8 |
|g volume:24
|g year:2015
|g number:10
|g day:25
|g month:12
|g pages:2067-72
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| 856 |
4 |
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|u http://dx.doi.org/10.1007/s10646-015-1554-1
|3 Volltext
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|h 2067-72
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