On the Limits of High-Speed Microthermal Focusing Field-Flow Fractionation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F10%3A63509425" target="_blank" >RIV/70883521:28110/10:63509425 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

On the Limits of High-Speed Microthermal Focusing Field-Flow Fractionation

Popis výsledku v původním jazyce

The migration of the microparticles exposed to the gravitational-buoyancy force and lift force, and transported by the flow of the carrier liquid inside the microfluidic conduits was studied from the viewpoint of the transient period (the relaxation) between the moment at which the particles start to be transported by the hydrodynamic flow and the time at which they are focused at an equilibrium position. Relaxation times were calculated theoretically by incremental numerical method and the results werecompared with the experimental data obtained on two microfluidic channels of different lengths and for different average linear velocities of the carrier liquid. It has been found that the maximal linear velocity of the carrier liquid in Microthermal Field-Flow Fractionation channel whose dimensions were already optimized is of the order of few cm/s under the investigated experimental conditions. At this velocity, the contribution of the secondary relaxation time is negligible compared

Název v anglickém jazyce

On the Limits of High-Speed Microthermal Focusing Field-Flow Fractionation

Popis výsledku anglicky

The migration of the microparticles exposed to the gravitational-buoyancy force and lift force, and transported by the flow of the carrier liquid inside the microfluidic conduits was studied from the viewpoint of the transient period (the relaxation) between the moment at which the particles start to be transported by the hydrodynamic flow and the time at which they are focused at an equilibrium position. Relaxation times were calculated theoretically by incremental numerical method and the results werecompared with the experimental data obtained on two microfluidic channels of different lengths and for different average linear velocities of the carrier liquid. It has been found that the maximal linear velocity of the carrier liquid in Microthermal Field-Flow Fractionation channel whose dimensions were already optimized is of the order of few cm/s under the investigated experimental conditions. At this velocity, the contribution of the secondary relaxation time is negligible compared

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CB - Analytická chemie, separace

OECD FORD obor

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Projekt

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Návaznosti

V - Vyzkumna aktivita podporovana z jinych verejnych zdroju

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

International Journal of Polymer Analysis and Characterization

ISSN

1023-666X

e-ISSN

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Svazek periodika

2010

Číslo periodika v rámci svazku

15

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

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Kód UT WoS článku

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EID výsledku v databázi Scopus

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