Quantification of Particle Filtration Using a Quartz Crystal Microbalance Embedded in a Microfluidic Channel

To quantify colloidal filtration, a quartz crystal microbalance (QCM) with a silicon dioxide surface is embedded on the inner surface of a microfluidic channel to monitor the real-time particle deposition. Potassium chloride solution with micrometer-size polystyrene particles simulating bacterial st...

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Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 39(2023), 40 vom: 10. Okt., Seite 14223-14230
Auteur principal: Ji, Siqi (Auteur)
Autres auteurs: Ran, Ran, Esfahani, Ilia Chiniforooshan, Sun, Hongwei, Wan, Kai-Tak
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
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520 |a To quantify colloidal filtration, a quartz crystal microbalance (QCM) with a silicon dioxide surface is embedded on the inner surface of a microfluidic channel to monitor the real-time particle deposition. Potassium chloride solution with micrometer-size polystyrene particles simulating bacterial strains flows down the channel. In the presence of intrinsic Derjaguin-Landau-Verwey-Overbeek (DLVO) intersurface forces, particles are trapped by the quartz surfaces, and the increased mass shifts the QCM resonance frequency. The method provides an alternative way to measure filtration efficiency in an optically opaque channel and its dependence on the ionic concentration 
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700 1 |a Esfahani, Ilia Chiniforooshan  |e verfasserin  |4 aut 
700 1 |a Sun, Hongwei  |e verfasserin  |4 aut 
700 1 |a Wan, Kai-Tak  |e verfasserin  |4 aut 
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