Use of biodegradable PHA-based nanofibers to removing microorganisms from water

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F15%3APU136130" target="_blank" >RIV/00216305:26310/15:PU136130 - isvavai.cz</a>

Výsledek na webu

<a href="https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7388958" target="_blank" >https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7388958</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Use of biodegradable PHA-based nanofibers to removing microorganisms from water

Popis výsledku v původním jazyce

The most frequent type of waste water treatment is based on aerobic and anaerobic microbial decontamination. Nevertheless, presence of many toxic substances was found in treated water. Nanofibrous membranes are very prospective solution in the field of liquid filtration. Nanofibrous membranes enables separation of bacteria, particles and also molecular filtration of risk compounds. Polyhydroxyalkanoates (PHA), namely polyhydroxybutyrate is microbial polymer produced biotechnologically by some bacteria. This polymer is very suitable for water filtration because of its hydrophobicity and biodegradability. This work is focused on preparation and testing of modified PHA-based filters for water filtration and decontamination. Fibers were prepared by electrospinning and spin-coating techniques. For better effect of electrospinning some functional groups were included into PHA structure. PHA fibrous material was tested as high-volume nano-textile membrane. Several bacterial strains were filtered and separation capacity of PHA membranes was evaluated. It can be summarized that PHA-based polymers are quite suitable for removing of both gramnegative and grampositive strains as well as yeasts. Further advantage of PHA based material is that after use the filter with separated microbial cells and other impurities can be composting. Under composting conditions the fibrous material can be fully biodegraded during several days or weeks.

Název v anglickém jazyce

Use of biodegradable PHA-based nanofibers to removing microorganisms from water

Popis výsledku anglicky

The most frequent type of waste water treatment is based on aerobic and anaerobic microbial decontamination. Nevertheless, presence of many toxic substances was found in treated water. Nanofibrous membranes are very prospective solution in the field of liquid filtration. Nanofibrous membranes enables separation of bacteria, particles and also molecular filtration of risk compounds. Polyhydroxyalkanoates (PHA), namely polyhydroxybutyrate is microbial polymer produced biotechnologically by some bacteria. This polymer is very suitable for water filtration because of its hydrophobicity and biodegradability. This work is focused on preparation and testing of modified PHA-based filters for water filtration and decontamination. Fibers were prepared by electrospinning and spin-coating techniques. For better effect of electrospinning some functional groups were included into PHA structure. PHA fibrous material was tested as high-volume nano-textile membrane. Several bacterial strains were filtered and separation capacity of PHA membranes was evaluated. It can be summarized that PHA-based polymers are quite suitable for removing of both gramnegative and grampositive strains as well as yeasts. Further advantage of PHA based material is that after use the filter with separated microbial cells and other impurities can be composting. Under composting conditions the fibrous material can be fully biodegraded during several days or weeks.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

21002 - Nano-processes (applications on nano-scale); (biomaterials to be 2.9)

Projekt

<a href="/cs/project/LO1211" target="_blank" >LO1211: Centrum materiálového výzkumu na FCH VUT v Brně - udržitelnost a rozvoj</a><br>

Návaznosti

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

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název statě ve sborníku

2015 IEEE 15TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY

ISBN

978-1-4673-8155-0

ISSN

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e-ISSN

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Počet stran výsledku

3

Strana od-do

204-206

Název nakladatele

IEEE

Místo vydání

Neuveden

Místo konání akce

Řím

Datum konání akce

27. 7. 2015

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000380515200338