Dynamics of hydrogen nanobubbles in KLH protein solution studied with in situ wet-TEM

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Tsu-Wei Huang
  • Shih-Yi Liu
  • Yun-Ju Chuang
  • Hsin-Yi Hsieh
  • Chun-Ying Tsai
  • Wei-Jung Wu
  • Cheng-Ting Tsai
  • Utkur Mirsaidov
  • Paul Matsudaira
  • Chia-Shen Chang
  • Fan-Gang Tseng

Detail(s)

Original languageEnglish
Pages (from-to)8856-8861
Journal / PublicationSoft Matter
Volume9
Issue number37
Online published16 Jul 2013
Publication statusPublished - 7 Oct 2013
Externally publishedYes

Abstract

Although the stability of the nanobubble remains a controversial issue that is subject to the classical predictions of high Laplace pressure, we demonstrate that a hydrogen nanobubble can be generated and stabilized in an aqueous solution of Keyhole limpet hemocyanin (KLH) protein via an electron radiolysis process. The hydrogen gas inside the nanobubble is in a "dense gas" phase that is characterized by a Knudsen number and number density of hydrogen molecules. The dynamics of nanobubbles are analyzed using time-series electron microscopy images. The growth of small nanobubbles will be affected by the largest neighboring nanobubble; however, a diffusive shielding effect for small nanobubbles is observed. Locally, anti-Ostwald ripening of nanobubbles can be observed; however, the global growth behavior among the nanobubbles is randomly correlated because the characteristic diffusion length of the hydrogen molecules is considerably greater than the average spacing among the nanobubbles.

Citation Format(s)

Dynamics of hydrogen nanobubbles in KLH protein solution studied with in situ wet-TEM. / Huang, Tsu-Wei; Liu, Shih-Yi; Chuang, Yun-Ju; Hsieh, Hsin-Yi; Tsai, Chun-Ying; Wu, Wei-Jung; Tsai, Cheng-Ting; Mirsaidov, Utkur; Matsudaira, Paul; Chang, Chia-Shen; Tseng, Fan-Gang; Chen, Fu-Rong.

In: Soft Matter, Vol. 9, No. 37, 07.10.2013, p. 8856-8861.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review