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izvor podataka: crosbi

ENDOR study of the dynamic properties of stable paramagnetic centres in γ -irradiated L-alanine crystals (CROSBI ID 135117)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Rakvin, Boris ; Maltar-Strmečki, Nadica ; Kattnig, Daniel ; Grampp Gűnter ENDOR study of the dynamic properties of stable paramagnetic centres in γ -irradiated L-alanine crystals // Molecular physics, 105 (2007), 15-16; 2087-2094

Podaci o odgovornosti

Rakvin, Boris ; Maltar-Strmečki, Nadica ; Kattnig, Daniel ; Grampp Gűnter

engleski

ENDOR study of the dynamic properties of stable paramagnetic centres in γ -irradiated L-alanine crystals

The dynamic properties of the stable L-alanine radicals SAR1 and SAR2 induced by γ -irradiation of a L-alanine crystal have been investigated using the electron nuclear double resonance technique (ENDOR). The study was focused on the dynamic properties of these centres in the temperature range from 180 to 320 K. In this region, the motion of the NH3+ and CH3 groups exhibits slow and fast motional dynamics in comparison with the nuclear and electron Larmor frequencies, respectively. The correlation rotation times of the CH3 and NH3+ groups of the SAR2 CH3 group and the neighbouring CH3 group of the SAR1 paramagnetic centre were estimated from the spectral line broadening and spectral intensity.

L-Alanine; Paramagnetic centres; Electron nuclear double resonance; Spin-lattice

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Podaci o izdanju

105 (15-16)

2007.

2087-2094

objavljeno

0026-8976

Povezanost rada

Fizika, Kemija

Indeksiranost