Hydroxyl radical production induced by plasma hydrogenated nanodiamonds under X-ray irradiation | Zendy

Magdalena Kurzyp | Zendy; Hugues A. Girard | Zendy; Yannis Cheref | Zendy; Émilie Brun | Zendy; Cécile SicardRoselli | Zendy; S. Saada | Zendy; JeanCharles Arnault | Zendy

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Hydroxyl radical production induced by plasma hydrogenated nanodiamonds under X-ray irradiation

Author(s) -

Magdalena Kurzyp,

Hugues A. Girard,

Yannis Cheref,

Émilie Brun,

Cécile SicardRoselli,

S. Saada,

JeanCharles Arnault

Publication year - 2016

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c6cc08895c

Subject(s) - radical , irradiation , plasma , chemistry , detonation , hydroxyl radical , photochemistry , radiochemistry , materials science , organic chemistry , physics , quantum mechanics , nuclear physics , explosive material

For the first time, overproduction of hydroxyl radicals (HO˙) induced by plasma hydrogenated detonation nanodiamonds (H-NDs) under X-ray irradiation is reported. Using coumarin (COU) as a fluorescent probe, we reveal a significant increase of 40% of the HO˙ production in the presence of H-NDs (6-100 μg ml -1 ) compared with water alone. This effect is related to the negative electron affinity of the hydrogenated nanodiamonds and illustrates the ability of H-NDs to produce reactive oxygen species probably via electron emission in water under X-ray irradiation.

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