Production and characterization of medical nanofiber based filters

Kód výsledku v IS VaVaI

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Nalezeny alternativní kódy

RIV/70883521:28610/12:43868869

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Production and characterization of medical nanofiber based filters

Popis výsledku v původním jazyce

Nanofiber based filters are promising materials for medical applications for filtering bacteria?s or even viruses due to their very small fiber and pore sizes. In this work, a polyurethane nanofiber based filter was produced via electrospinning process and consequently characterized experimentally in the ultrafine particle size range (20- 400 nm). A 3D filtration model utilizing realistic SEM image based 3D structure model, transition/free molecular flow regime, Brownian diffusion, particle-particle interactions, particle-fiber interactions, aerodynamic slip and sieve has been proposed and validated for nanofiber based filters optimization. By using the proposed theoretical approach for the 3D filter clogging modeling, it has been found that the decrease in the fiber-particle friction coefficient leads to higher pressure drop, lower filtration efficiency, lower quality factor and lower quality factor sensitivity.

Název v anglickém jazyce

Production and characterization of medical nanofiber based filters

Popis výsledku anglicky

Nanofiber based filters are promising materials for medical applications for filtering bacteria?s or even viruses due to their very small fiber and pore sizes. In this work, a polyurethane nanofiber based filter was produced via electrospinning process and consequently characterized experimentally in the ultrafine particle size range (20- 400 nm). A 3D filtration model utilizing realistic SEM image based 3D structure model, transition/free molecular flow regime, Brownian diffusion, particle-particle interactions, particle-fiber interactions, aerodynamic slip and sieve has been proposed and validated for nanofiber based filters optimization. By using the proposed theoretical approach for the 3D filter clogging modeling, it has been found that the decrease in the fiber-particle friction coefficient leads to higher pressure drop, lower filtration efficiency, lower quality factor and lower quality factor sensitivity.

Druh

D - Stať ve sborníku

CEP obor

CD - Makromolekulární chemie

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

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

Název statě ve sborníku

24th Annual International Conference on Medical Plastics

ISBN

87-89753-65-8

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

838-843

Název nakladatele

Hexagon Holding

Místo vydání

Copenhagen

Místo konání akce

Copenhagen

Datum konání akce

9. 10. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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