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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b04254
|2 doi
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|a pubmed24n0979.xml
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| 041 |
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|a eng
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| 100 |
1 |
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|a Elton, Eric S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Statistical Analysis of Droplet Charge Acquired during Contact with Electrodes in Strong Electric Fields
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| 264 |
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|c 2019
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| 336 |
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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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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Aqueous droplets acquire charge when they contact electrodes in high-voltage electric fields. Although many researchers have investigated droplet charging under various conditions, the droplet charges are typically reported simply in terms of a mean and standard deviation. Here, we show that droplets often acquire significantly less charge for a single contact compared to the previous and subsequent contacts. These "low-charge events," which are not observed with charging of metal balls, yield up to a 60% decrease in charge acquired by the droplet and occur regardless of the applied field strength, droplet conductivity, or droplet volume. In all cases examined here, the occurrence of low-charge events to good approximation follows a negative binomial distribution (i.e., a Pascal distribution) with a mean probability of 13%. We further demonstrate that approximately 16% of charging events are characterized by "irregular" Taylor cone dynamics, suggesting that instabilities in the electrically driven deformation of the approaching liquid interface may be responsible for the low-charge events. The results indicate that workers using systems involving droplet charging should take into account the high likelihood of droplets randomly acquiring less charge than expected
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Tibrewala, Yash V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ristenpart, William D
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 35(2019), 11 vom: 19. März, Seite 3937-3948
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
8 |
|g volume:35
|g year:2019
|g number:11
|g day:19
|g month:03
|g pages:3937-3948
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.8b04254
|3 Volltext
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|d 35
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|h 3937-3948
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