Radiation damage produced in powder of ?-(methylamino)isobutyric acid, ?-aminoisobutyric acid methyl ester hydrochloride and diethylmalonic acid

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dc.contributor.authorBaskan, M. Halim
dc.contributor.authorOsmanoglu, Semsettin
dc.contributor.authorDicle, I. Yesim
dc.date.accessioned2024-12-24T19:28:14Z
dc.date.available2024-12-24T19:28:14Z
dc.date.issued2009
dc.departmentSiirt Üniversitesi
dc.description.abstractThe electron paramagnetic resonance spectra of gamma-irradiated powders of alpha-(methylamino) isobutyric acid - CH(3)NHC(CH(3))(2)COOH, alpha-aminoisobutyric acid methyl ester hydrochloride - NH(2)(CH(3))(2)CCOOCH(3) HCl, and diethylmalonic acid - (CH(3)CH(2))(2)C(COOH)(2) have been investigated at room temperature. It has been found that gamma-irradiation produces the (CH(3))(2)(C) over dotCOOH radical in the first, the (CH(3))(2)(C) over dotCOOCH(3) radical in the second and the (CH(3)CH(2))(2)(C) over dot COOH radical in the third compound. The spectra were computer-simulated. The g values and the hyperfine coupling constants of the unpaired electron with the environmental methyl, methylene protons and OH proton were determined. The results were found to be in good agreement with the existing literature data and theoretical predictions.
dc.identifier.doi10.1080/10420150903173296
dc.identifier.endpage678
dc.identifier.issn1042-0150
dc.identifier.issue11
dc.identifier.scopus2-s2.0-74549156889
dc.identifier.scopusqualityQ3
dc.identifier.startpage673
dc.identifier.urihttps://doi.org/10.1080/10420150903173296
dc.identifier.urihttps://hdl.handle.net/20.500.12604/6982
dc.identifier.volume164
dc.identifier.wosWOS:000271616500002
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofRadiation Effects and Defects in Solids
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241222
dc.subjectEPR
dc.subjectamino-acid derivatives
dc.subjectgamma-irradiation
dc.subjectfree radicals
dc.subjectmalonic acid derivatives
dc.titleRadiation damage produced in powder of ?-(methylamino)isobutyric acid, ?-aminoisobutyric acid methyl ester hydrochloride and diethylmalonic acid
dc.typeArticle

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