Microfluidics: A Novel Approach for Dehydration Protein Droplets

The equation of state of colloids plays an important role in the modelling and comprehension of industrial processes, defining the working conditions of processes such as drying, filtration, and mixing. The determination of the equation is based on the solvent equilibration, by dialysis, between the...

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Autores principales: Van Nhat Pham, Dimitri Radajewski, Isaac Rodríguez-Ruiz, Sebastien Teychene
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/1d90d2024b234b628b4a59145f2c3b49
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spelling oai:doaj.org-article:1d90d2024b234b628b4a59145f2c3b492021-11-25T16:55:40ZMicrofluidics: A Novel Approach for Dehydration Protein Droplets10.3390/bios111104602079-6374https://doaj.org/article/1d90d2024b234b628b4a59145f2c3b492021-11-01T00:00:00Zhttps://www.mdpi.com/2079-6374/11/11/460https://doaj.org/toc/2079-6374The equation of state of colloids plays an important role in the modelling and comprehension of industrial processes, defining the working conditions of processes such as drying, filtration, and mixing. The determination of the equation is based on the solvent equilibration, by dialysis, between the colloidal suspension and a reservoir with a known osmotic pressure. In this paper, we propose a novel microfluidic approach to determine the equation of state of a lysozyme solution. Monodispersed droplets of lysozyme were generated in the bulk of a continuous 1-decanol phase using a flow-focusing microfluidic geometry. In this multiphasic system and in the working operation conditions, the droplets can be considered to act as a permeable membrane system. A water mass transfer flow occurs by molecule continuous diffusion in the surrounding 1-decanol phase until a thermodynamic equilibrium is reached in a few seconds to minutes, in contrast with the standard osmotic pressure measurements. By changing the water saturation of the continuous phase, the equation of state of lysozyme in solution was determined through the relation of the osmotic pressure between protein molecules and the volume fraction of protein inside the droplets. The obtained equation shows good agreement with other standard approaches reported in the literature.Van Nhat PhamDimitri RadajewskiIsaac Rodríguez-RuizSebastien TeycheneMDPI AGarticlemicrofluidicslysozymedehydrationequation of stateBiotechnologyTP248.13-248.65ENBiosensors, Vol 11, Iss 460, p 460 (2021)
institution DOAJ
collection DOAJ
language EN
topic microfluidics
lysozyme
dehydration
equation of state
Biotechnology
TP248.13-248.65
spellingShingle microfluidics
lysozyme
dehydration
equation of state
Biotechnology
TP248.13-248.65
Van Nhat Pham
Dimitri Radajewski
Isaac Rodríguez-Ruiz
Sebastien Teychene
Microfluidics: A Novel Approach for Dehydration Protein Droplets
description The equation of state of colloids plays an important role in the modelling and comprehension of industrial processes, defining the working conditions of processes such as drying, filtration, and mixing. The determination of the equation is based on the solvent equilibration, by dialysis, between the colloidal suspension and a reservoir with a known osmotic pressure. In this paper, we propose a novel microfluidic approach to determine the equation of state of a lysozyme solution. Monodispersed droplets of lysozyme were generated in the bulk of a continuous 1-decanol phase using a flow-focusing microfluidic geometry. In this multiphasic system and in the working operation conditions, the droplets can be considered to act as a permeable membrane system. A water mass transfer flow occurs by molecule continuous diffusion in the surrounding 1-decanol phase until a thermodynamic equilibrium is reached in a few seconds to minutes, in contrast with the standard osmotic pressure measurements. By changing the water saturation of the continuous phase, the equation of state of lysozyme in solution was determined through the relation of the osmotic pressure between protein molecules and the volume fraction of protein inside the droplets. The obtained equation shows good agreement with other standard approaches reported in the literature.
format article
author Van Nhat Pham
Dimitri Radajewski
Isaac Rodríguez-Ruiz
Sebastien Teychene
author_facet Van Nhat Pham
Dimitri Radajewski
Isaac Rodríguez-Ruiz
Sebastien Teychene
author_sort Van Nhat Pham
title Microfluidics: A Novel Approach for Dehydration Protein Droplets
title_short Microfluidics: A Novel Approach for Dehydration Protein Droplets
title_full Microfluidics: A Novel Approach for Dehydration Protein Droplets
title_fullStr Microfluidics: A Novel Approach for Dehydration Protein Droplets
title_full_unstemmed Microfluidics: A Novel Approach for Dehydration Protein Droplets
title_sort microfluidics: a novel approach for dehydration protein droplets
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/1d90d2024b234b628b4a59145f2c3b49
work_keys_str_mv AT vannhatpham microfluidicsanovelapproachfordehydrationproteindroplets
AT dimitriradajewski microfluidicsanovelapproachfordehydrationproteindroplets
AT isaacrodriguezruiz microfluidicsanovelapproachfordehydrationproteindroplets
AT sebastienteychene microfluidicsanovelapproachfordehydrationproteindroplets
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