2000
DOI: 10.1016/s1386-1425(99)00250-4
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Decomposition study of the electron paramagnetic resonance spectrum of irradiated alanine

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Cited by 17 publications
(17 citation statements)
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“…Simulations of the component demonstrated in Figure 1(b) (inset) were compared with the selected experimental spectrum. The quintet can be considered as an analogue of the alanine radical spectrum measured after its deamination (CH 3  • CHCOO − ), 25 However, the signal in PLA is much less stable than in polycrystalline alanine due to conformational movements of macromolecules. A similar product was also confirmed in the past in irradiated poly(lactide‐co‐glycolide) 26 …”
Section: Resultsmentioning
confidence: 99%
“…Simulations of the component demonstrated in Figure 1(b) (inset) were compared with the selected experimental spectrum. The quintet can be considered as an analogue of the alanine radical spectrum measured after its deamination (CH 3  • CHCOO − ), 25 However, the signal in PLA is much less stable than in polycrystalline alanine due to conformational movements of macromolecules. A similar product was also confirmed in the past in irradiated poly(lactide‐co‐glycolide) 26 …”
Section: Resultsmentioning
confidence: 99%
“…Studies on the fundamental and practical aspects of sucrose radicals have been made by various research groups [2][3][4][5][6][7][8][9][10]. EPR investigations of irradiated monosaccharides showed multi-radical productions [2][3][4][5].…”
Section: Introductionmentioning
confidence: 99%
“…A Figura (13) representa o espectro de um radical formado em uma amostra de alanina após irradicação. O espectro é composto por cinco linhas características, justificado a partir da interação do elétron desemparelhado localizado no átomo do carbono central com os quatros núcleos de hidrogênio vizinhos com intensidade de 1:4:6:4:1 (Vanhaelewyn, 2000;Garcia, 2009). Figura ( 13): Níveis de degenerescência causada pela interação do elétron desemparelhado com os quatro núcleos de vizinhos, formando o espectro característico de alanina.…”
Section: Fator G E a Forma De Linhaunclassified
“…Além disso, para fins dosimétricos, dentre os aminoácidos, a L-α-alanina tem sido extensivamente estudada, devido às suas boas propriedades dosimétricas. O radical livre mais estável à temperatura ambiente e que mais contribui para o espectro de EPR é atribuído à de-aminação da molécula de alanina (Vanhaelewyn, 2000).…”
Section: Capítulo 1: Introduçãounclassified