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Electron paramagnetic resonance (EPR) study of the short-living radicals generated thermally in phosphorylated maize starch with different amounts of amylose
carbon centred radicals
electron paramagnetic resonance (EPR) spectroscopy
PBN spin trap
starch phosphates
thermal treatment
Quantitative electron paramagnetic resonance (EPR) spectroscopy was used for the determination of a number and properties of short-living radicals generated thermally in maize starch with various amounts of amylose. The EPR spectra of radical adducts with N-tert-butyl-α-phenylnitrone (PBN) spin trap reveal the presence of three types of radicals of mobility related with their localization in the zones of various degree of crystallinity. Hylon VII, which represents a matrix with a high content of amylose, offers better conditions for free rotation of radical species, whereas waxy maize, containing almost exclusively amylopectin, exhibits more restricted dynamics.
dc.abstract.en | Quantitative electron paramagnetic resonance (EPR) spectroscopy was used for the determination of a number and properties of short-living radicals generated thermally in maize starch with various amounts of amylose. The EPR spectra of radical adducts with N-tert-butyl-α-phenylnitrone (PBN) spin trap reveal the presence of three types of radicals of mobility related with their localization in the zones of various degree of crystallinity. Hylon VII, which represents a matrix with a high content of amylose, offers better conditions for free rotation of radical species, whereas waxy maize, containing almost exclusively amylopectin, exhibits more restricted dynamics. | pl |
dc.affiliation | Wydział Chemii : Zakład Chemii Nieorganicznej | pl |
dc.contributor.author | Bidzińska, Ewa - 127305 | pl |
dc.contributor.author | Dyrek, Krystyna - 364033 | pl |
dc.contributor.author | Kruczała, Krzysztof - 129508 | pl |
dc.contributor.author | Szczygieł, Jadwiga - 115143 | pl |
dc.contributor.author | Wenda, Elżbieta - 132579 | pl |
dc.contributor.author | Błaszczak, Wioletta | pl |
dc.contributor.author | Fornal, Józef | pl |
dc.date.accession | 2018-06-04 | pl |
dc.date.accessioned | 2015-05-19T11:39:54Z | |
dc.date.available | 2015-05-19T11:39:54Z | |
dc.date.issued | 2013 | pl |
dc.date.openaccess | 0 | |
dc.description.accesstime | w momencie opublikowania | |
dc.description.admin | [AB] Dyrek, Krystyna [SAP14021069] 50000141 | pl |
dc.description.admin | [AB] Wenda, Elżbieta [SAP11004652] 50000141 | pl |
dc.description.number | 3 | pl |
dc.description.physical | 429-433 | pl |
dc.description.version | ostateczna wersja wydawcy | |
dc.description.volume | 58 | pl |
dc.identifier.eissn | 1508-5791 | pl |
dc.identifier.issn | 0029-5922 | pl |
dc.identifier.project | ROD UJ / P | pl |
dc.identifier.uri | http://ruj.uj.edu.pl/xmlui/handle/item/7438 | |
dc.identifier.weblink | http://www.nukleonika.pl/www/back/full/vol58_2013/v58n3p429f.pdf | pl |
dc.language | eng | pl |
dc.language.container | eng | pl |
dc.rights | Udzielam licencji. Uznanie autorstwa - Użycie niekomercyjne - Bez utworów zależnych 3.0 Polska | * |
dc.rights.licence | CC-BY-NC-ND | |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/legalcode | * |
dc.share.type | otwarte czasopismo | |
dc.subject.en | carbon centred radicals | pl |
dc.subject.en | electron paramagnetic resonance (EPR) spectroscopy | pl |
dc.subject.en | PBN spin trap | pl |
dc.subject.en | starch phosphates | pl |
dc.subject.en | thermal treatment | pl |
dc.subtype | Article | pl |
dc.title | Electron paramagnetic resonance (EPR) study of the short-living radicals generated thermally in phosphorylated maize starch with different amounts of amylose | pl |
dc.title.journal | Nukleonika | pl |
dc.title.volume | Proceedings of the 2nd Electron Magnetic Resonance Forum EMR-PL 16-18 May 2012, Częstochowa-Hucisko, Poland | pl |
dc.type | JournalArticle | pl |
dspace.entity.type | Publication |
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