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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c00698
|2 doi
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|a pubmed24n1095.xml
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|a (DE-627)NLM328733350
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|a (NLM)34328738
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Subhadarshini, Suvani
|e verfasserin
|4 aut
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| 245 |
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|a Silver Nanodot Decorated Dendritic Copper Foam As a Hydrophobic and Mechano-Chemo Bactericidal Surface
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|c 2021
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|a Text
|b txt
|2 rdacontent
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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 12.08.2021
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|a Date Revised 12.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The present work investigates the time-dependent antibacterial activity of the silver nanodot decorated dendritic copper foam nanostructures against Escherichia coli (Gram-negative) and Bacillus subtilis (Gram-positive) bacteria. An advanced antibacterial and antifouling surface is fabricated utilizing the collective antibacterial properties of silver nanodots, chitosan, and dendritic copper foam nanostructures. The porous network of the Ag nanodot decorated Cu foam is made up of nanodendrites, which reduce the wettability of the surface. Hence, the surface exhibits hydrophobic nature and inhibits the growth of bacterial flora along with the elimination of dead bacterial cells. The fabricated surface exhibits a water contact angle (WCA) of 158.7 ± 0.17°. Specifically, we tested the fabricated material against both the Gram-positive and Gram-negative bacterial models. The antibacterial activity of the fabricated surface is evident from the growth inhibition percentage of bacterial strains of Escherichia coli (72.30 ± 0.60%) and Bacillus subtilis (48.30 ± 1.71%). The micrographs obtained from scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM) of the treated cells show the damaged cellular structures of the bacteria, which is strong evidence of successful antibacterial action. The antibacterial effect can be attributed to the synergistic mechano-chemo mode of action involving mechanical disruption of the bacterial cell wall by the nanoprotrusions present on the Cu dendrites along with the chemical interaction of the Ag nanodots with vital intracellular components
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Anti-Bacterial Agents
|2 NLM
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| 650 |
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|a Silver
|2 NLM
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| 650 |
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|a 3M4G523W1G
|2 NLM
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| 650 |
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|a Copper
|2 NLM
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| 650 |
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|a 789U1901C5
|2 NLM
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| 700 |
1 |
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|a Singh, Rashika
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mandal, Ajoy
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roy, Satyajit
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mandal, Suman
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mallik, Samik
|e verfasserin
|4 aut
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| 700 |
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|a Goswami, Dipak K
|e verfasserin
|4 aut
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| 700 |
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|a Das, Amit K
|e verfasserin
|4 aut
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| 700 |
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|a Das, Narayan C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 31 vom: 10. Aug., Seite 9356-9370
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:37
|g year:2021
|g number:31
|g day:10
|g month:08
|g pages:9356-9370
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|u http://dx.doi.org/10.1021/acs.langmuir.1c00698
|3 Volltext
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