Vesicle formation from an amphiphilic porphyrin derivative at the air-water interface.

Vesicle formation from an amphiphilic porphyrin derivative at the air-water interface.
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两亲性卟啉衍生物在空气-水界面形成囊泡。

DOI:
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发表时间:
2010
期刊:
Chemistry - An Asian Journal
影响因子:
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通讯作者:
Amitava Das
Amitava Das
中科院分区:
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文献类型:
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作者:
Amrita Ghosh;Sipra Choudhury;Amitava Das

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一种四苯基卟啉衍生物,其两个C(16)烷基链通过醚键共价结合到四个外围苯环中的每一个上,在空气-水表面形成多层簇或囊泡。更有趣的是,当沉积在适当的固体表面上时也形成球形囊泡,并且这些囊泡即使在干燥条件下也是稳定的。沉积在云母表面上的流延膜的各种显微图像证实了具有颈缩和膨胀的封闭端纳米管/纳米棒型形成。这些狭窄的管道被认为是通过在凸起的两侧分裂形成囊泡的中间体。这种泡状的形成是不常见的,无论是铸造或Langmuir-Blodgett膜沉积在固体表面上。
A tetraphenyl porphyrin derivative with two C(16) alkyl chains covalently bound to each of the four peripheral phenyl rings through ether linkages formed multilayer clusters or vesicles at the air-water surface. More interestingly, spherical vesicles were also formed when deposited on appropriate solid surfaces, and these vesicles were stable even in dry conditions. Various microscopic images of the cast film deposited on a mica surface confirmed closed-ended nanotube/nanorod-type formation with necking and bulging. These narrow tubes are proposed to be intermediates for the formation of vesicles by fission at either side of the bulge. Such vesicular formation is not common when either cast or Langmuir-Blodgett films were deposited on a solid surface.
DOI: 10.1073/pnas.98.4.1353
发表时间: 2001-02
影响因子: 11.1
作者:
H. T. Jung;B. Coldren;J. Zasadzinski;D. J. Iampietro;E. Kaler
通讯作者: H. T. Jung;B. Coldren;J. Zasadzinski;D. J. Iampietro;E. Kaler
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