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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00179
|2 doi
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|a pubmed24n1186.xml
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|a (DE-627)NLM355836874
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|a (NLM)37079897
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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 |
1 |
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|a Recupido, Federica
|e verfasserin
|4 aut
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| 245 |
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|a Forced Wetting Properties of Bacteria-Laden Droplets Experiencing Initial Evaporation
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.07.2023
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|a Date Revised 12.07.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Microbial adhesion and spreading on surfaces are crucial aspects in environmental and industrial settings being also the early stage of complex surface-attached microbial communities known as biofilms. In this work, Pseudomonas fluorescens-laden droplets on hydrophilic substrates (glass coupons) are allowed to partially evaporate before running wetting measurements, to study the effect of evaporation on their interfacial behavior during spillover or splashing. Forced wetting is investigated by imposing controlled centrifugal forces, using a novel rotatory device (Kerberos). At a defined evaporation time, results for the critical tangential force required for the inception of sliding are presented. Microbe-laden droplets exhibit different wetting/spreading properties as a function of the imposed evaporation times. It is found that evaporation is slowed down in bacterial droplets with respect to nutrient medium ones. After sufficient drying times, bacteria accumulate at droplet edges, affecting the droplet shape and thus depinning during forced wetting tests. Droplet rear part does not pin during the rotation test, while only the front part advances and spreads along the force direction. Quantitative results obtained from the well-known Furmidge's equation reveal that force for sliding inception increases as evaporation time increases. This study can be of support for control of biofilm contamination and removal and possible design of antimicrobial/antibiofouling surfaces
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|a Journal Article
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|a Petala, Maria
|e verfasserin
|4 aut
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|a Caserta, Sergio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marra, Daniele
|e verfasserin
|4 aut
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|a Kostoglou, Margaritis
|e verfasserin
|4 aut
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|a Karapantsios, Thodoris D
|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 39(2023), 25 vom: 27. Juni, Seite 8589-8602
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:25
|g day:27
|g month:06
|g pages:8589-8602
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00179
|3 Volltext
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