Results 181 to 190 of about 6,881 (219)
Bulk Nanobubbles or Not Nanobubbles: That Is the Question [PDF]
Langmuir, 2020 Bulk nanobubbles are a novel nanoscale bubble system with unusual properties which challenge our understanding of bubble behavior. Because of their extraordinary longevity, their existence is still not widely accepted as they are often attributed to the presence of supramolecular structures or contaminants.
Ananda J Jadhav, Mostafa Barigou
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Langmuir, 2016
We follow the history of nanobubbles from the earliest experiments pointing to their existence to recent years. We cover the effect of Laplace pressure on the thermodynamic stability of nanobubbles and why this implies that nanobubbles are thermodynamically never stable.
Marie Jehannin +2 more
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We follow the history of nanobubbles from the earliest experiments pointing to their existence to recent years. We cover the effect of Laplace pressure on the thermodynamic stability of nanobubbles and why this implies that nanobubbles are thermodynamically never stable.
Marie Jehannin +2 more
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Nanobubbles and the Nanobubble Bridging Capillary Force
Advances in Colloid and Interface Science, 2010Interactions between hydrophobic surfaces at nanometer separation distances in aqueous solutions are important in a number of biological and industrial processes. Force spectroscopy studies, most notably with the atomic force microscope and surface-force apparatus, have found the existence of a long range hydrophobic attractive force between ...
Anh V. Nguyen, A V Nguyen
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Stability of Surface and Bulk Nanobubbles
Current Opinion in Colloid and Interface Science, 2021 The existence of stable nanoscopic gaseous domains in liquids, or nanobubbles, has attracted both scepticism and intrigue, since classical theory predicts that spherical gas bubbles cannot achieve stable equilibrium.
Claus-Dieter Ohl +2 more
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Microfluidic nanobubbles: observations of a sudden contraction of microbubbles into nanobubbles
Soft Matter, 2023Utilizing a microfluidic flow-focusing chip to generate monodisperse bulk nanaobubbles. We make the surprising observation of a critical microbubble diameter above and below which the scale of bubble shrinkage dramatically changes.
Ali A. Paknahad +4 more
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Current Opinion in Colloid and Interface Science, 2021
Abstract Gas saturated solutions have attracted great attention in the past two decades with reports of stable nanobubbles in solutions. The fundamental interest focus arises from the surprising stability which opens up a wide range of potential applications where the interactions between particles and nanobubbles are important.
Minmin Zhang +2 more
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Abstract Gas saturated solutions have attracted great attention in the past two decades with reports of stable nanobubbles in solutions. The fundamental interest focus arises from the surprising stability which opens up a wide range of potential applications where the interactions between particles and nanobubbles are important.
Minmin Zhang +2 more
exaly +2 more sources
Electrolytically Generated Nanobubbles on Highly Orientated Pyrolytic Graphite Surfaces [PDF]
Langmuir, 2009 Electrolysis of water is employed to produce surface nanobubbles on highly orientated pyrolytic graphite (HOPG) surfaces. Hydrogen (oxygen) nanobubbles are formed when the HOPG surface acts as a negative (positive) electrode.
Harold J.W. Zandvliet +2 more
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On the Shape of Surface Nanobubbles
Langmuir, 2009Previous AFM experiments on surface nanobubbles have suggested an anomalously large contact angle theta of the bubbles (typically approximately 160 degrees measured through the water) and a possible size dependence theta(R). Here we determine theta(R) for nanobubbles on smooth, highly oriented pyrolytic graphite (HOPG) with a variety of different ...
Borkent, B.M. +3 more
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The Collapse of Nanobubbles in Water
Journal of the American Chemical Society, 2005We use molecular dynamics to simulate the collapse of nanobubbles in water and show that the macroscopic description holds down to the nanometer size. We further give a description of the collapse in terms of stochastic growth of the density of water inside the cavity.
LUGLI, FRANCESCA +2 more
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Stability of Interfacial Nanobubbles
Langmuir, 2013Interfacial nanobubbles (INBs) on a solid surface in contact with water have drawn widespread research interest. Although several theoretical models have been proposed to explain their apparent long lifetimes, the underlying mechanism still remains in dispute.
Zhang, Xuehua +3 more
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