Radiation Damage in Carnidazole: a Single Crystal EPR Study | Zendy

Théo Berclaz | Zendy; Gérald Bernardinelli | Zendy; Michel Geoffroy | Zendy; N. Rajalakshmi | Zendy

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Radiation Damage in Carnidazole: a Single Crystal EPR Study

Author(s) -

Théo Berclaz,

Gérald Bernardinelli,

Michel Geoffroy,

N. Rajalakshmi

Publication year - 1992

Publication title -

chimia international journal for chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.387

H-Index - 55

eISSN - 2673-2424

pISSN - 0009-4293

DOI - 10.2533/chimia.1992.130

Subject(s) - electron paramagnetic resonance , anhydrous , moiety , single crystal , radical , molecule , context (archaeology) , chemistry , crystal (programming language) , crystallography , irradiation , photochemistry , materials science , nuclear magnetic resonance , stereochemistry , organic chemistry , physics , paleontology , computer science , nuclear physics , programming language , biology

Single crystals of hydrated and anhydrous carnidazole have been subjected to X-irradiation at 77 K and studied by EPR. The determination of the EPR tensors shows that NO2, sulfur-centered radicals as well as a radical pair can be generated from this molecule; it appears that the species trapped at 77 K are not the same in the hydrated and in the anhydrous crystal. The results are discussed in the context of the radiosensitizing action of molecules containing a 5-nitroimidazole moiety.

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