About: PRELIMINARY STUDY OF POLYCAPROLACTONE MICROBIAL DEGRADATION

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Poly( -caprolactone) (PCL) a semicrystalline aliphatic polyester regarded as a nontoxic and hard and soft tissues compatible material has been utilized both for biomedical (Capronor) and biodegradable packaging application (Mater Bi, Italy). In the view of still growing interest of biodegradable plastics, more information about degradation mechanism generating the intermediates which are considered to be assimilated by microorganisms has to been obtained. In this work, the biodegradability of low-molecular weight poly( -caprolactone) (Mn = 12 kg?mol-1) with crystallinity degree of 53 % by bacterial strain Bacillus subtilis was examined. PCL homopolymer synthesized by ring-opening polymerization and thoroughly purified was exposed in the form of melt-pressed films and as a powder. Both squares (10 x 10x 0.4 mm) and neat powder were immersed in brain heart and mineral media inoculated with bacterium for 42 days. The pink colour developed after 14 days in mineral medium indicated that Bacillus subtilis Poly( -caprolactone) (PCL) a semicrystalline aliphatic polyester regarded as a nontoxic and hard and soft tissues compatible material has been utilized both for biomedical (Capronor) and biodegradable packaging application (Mater Bi, Italy). In the view of still growing interest of biodegradable plastics, more information about degradation mechanism generating the intermediates which are considered to be assimilated by microorganisms has to been obtained. In this work, the biodegradability of low-molecular weight poly( -caprolactone) (Mn = 12 kg?mol-1) with crystallinity degree of 53 % by bacterial strain Bacillus subtilis was examined. PCL homopolymer synthesized by ring-opening polymerization and thoroughly purified was exposed in the form of melt-pressed films and as a powder. Both squares (10 x 10x 0.4 mm) and neat powder were immersed in brain heart and mineral media inoculated with bacterium for 42 days. The pink colour developed after 14 days in mineral medium indicated that Bacillus subtilis (en)
Title	PRELIMINARY STUDY OF POLYCAPROLACTONE MICROBIAL DEGRADATION PRELIMINARY STUDY OF POLYCAPROLACTONE MICROBIAL DEGRADATION (en)
skos:prefLabel	PRELIMINARY STUDY OF POLYCAPROLACTONE MICROBIAL DEGRADATION PRELIMINARY STUDY OF POLYCAPROLACTONE MICROBIAL DEGRADATION (en)
skos:notation	RIV/00216305:26310/09:PU83689!RIV10-MSM-26310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021630501)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Burešová, Alena Omelková, Jiřina Voběrková, Stanislava Hermanová, Soňa Cihlář, Jaroslav
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	335643
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/09:PU83689
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	poly( -caprolactone), biodegradability, Bacillus sp. (en)
http://linked.open.../riv/klicoveSlovo	poly( -caprolactone) biodegradability Bacillus sp.
http://linked.open...ontrolniKodProRIV	[CE35A95326F4]
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Omelková, Jiřina Hermanová, Soňa Voběrková, Stanislava Cihlář, Jaroslav Grycová, Alena
http://linked.open...n/vavai/riv/zamer	Multifunkční heterogenní materiály na bázi syntetických polymerů a biopolymerů
http://localhost/t...ganizacniJednotka	26310

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