Fatty acid droplet self-division driven by a chemical reaction.

Fatty acid droplet self-division driven by a chemical reaction.
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由化学反应驱动的脂肪酸滴自分裂。

DOI:
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发表时间:
2014
期刊:
Physical Chemistry, Chemical Physics - PCCP
影响因子:
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通讯作者:
I. Lagzi
I. Lagzi
中科院分区:
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文献类型:
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作者:
I. Derényi;I. Lagzi

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毫米大小的分隔脂肪酸液滴的分裂是由在 10 秒时间尺度上运行的化学 pH 时钟反应触发的。隔室内的自主 pH 变化转化为脂肪酸分子的去质子化,导致液滴内的水-油界面处出现负界面张力。这种现象引起液滴的膨胀,随后液滴分裂成受高原-瑞利不稳定性控制的子液滴。
Division of a millimeter-sized and compartmentalized fatty acid droplet is triggered by a chemical pH clock reaction operating on the ten-second time scale. The autonomous pH change inside the compartment translates into the deprotonation of the fatty acid molecules, leading to a negative interfacial tension at the water-oil interface inside the droplet. This phenomenon induces the expansion of the droplet, which is followed by its division into daughter droplets governed by the Plateau-Rayleigh instability.
DOI: 10.1038/nchem.1110
发表时间: 2011-09-01
期刊: NATURE CHEMISTRY
影响因子: 21.8
作者:
Koga, Shogo;Williams, David S.;Mann, Stephen
通讯作者: Mann, Stephen