Nanosized Polymeric Fibres for Solid-phase Microextraction Sorbents

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24210%2F15%3A00002334" target="_blank" >RIV/46747885:24210/15:00002334 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/46747885:24220/15:00002334 RIV/46747885:24510/15:00002334 RIV/46747885:24620/15:00002334

Výsledek na webu

<a href="http://www.nanocon.eu/cz/" target="_blank" >http://www.nanocon.eu/cz/</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Nanosized Polymeric Fibres for Solid-phase Microextraction Sorbents

Popis výsledku v původním jazyce

Solid phase microextraction (SPME) has been established as a convenient method of sample preparation in organic analytical chemistry since its introduction by Pawliszyn in the nineties of the 20th century. Recently, first attempts are reported on the preparation of SPME sorbents by electrospun nanofibres, in contrast to routinely applied sol-gel techniques. The intention of using electrospun fibres geometry is to enhance the sorbent sensitivity and capacity. In this work, polyetherimide (PEI) electrospun nanofibres were prepared from PEI 15 % solution in DMF/THF 80:20 using a needle electrospinner and SPME steel core as electrode under 10 kV. Adhesion between steel core and polymeric coating was optimized to obtain thermally stable PEI/PDMS SPME fibre assembly. Final laboratory-made SPME fibres were characterized by SEM and TGA and their analytical performance (in determination of hexachlorocyclohexanes - HCH by headspace-SPME GC/MS) was compared with commercially available SPME fibres.

Název v anglickém jazyce

Nanosized Polymeric Fibres for Solid-phase Microextraction Sorbents

Popis výsledku anglicky

Solid phase microextraction (SPME) has been established as a convenient method of sample preparation in organic analytical chemistry since its introduction by Pawliszyn in the nineties of the 20th century. Recently, first attempts are reported on the preparation of SPME sorbents by electrospun nanofibres, in contrast to routinely applied sol-gel techniques. The intention of using electrospun fibres geometry is to enhance the sorbent sensitivity and capacity. In this work, polyetherimide (PEI) electrospun nanofibres were prepared from PEI 15 % solution in DMF/THF 80:20 using a needle electrospinner and SPME steel core as electrode under 10 kV. Adhesion between steel core and polymeric coating was optimized to obtain thermally stable PEI/PDMS SPME fibre assembly. Final laboratory-made SPME fibres were characterized by SEM and TGA and their analytical performance (in determination of hexachlorocyclohexanes - HCH by headspace-SPME GC/MS) was compared with commercially available SPME fibres.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

10406 - Analytical chemistry

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název statě ve sborníku

NANOCON 2015 - 7th International Conference on Nanomaterials - Research and Application

ISBN

978-80-87294-63-5

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

282-286

Název nakladatele

Tanger, spol. s.r.o., 2015

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

1. 1. 2015

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000374708800049