| アイテムタイプ |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2026-02-16 |
| タイトル |
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タイトル |
Changes in yields of water radiolysis products in the presence of hydrogenated nanodiamonds under X-rays: Significant increase of hydrogen peroxide |
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言語 |
en |
| 言語 |
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言語 |
eng |
| 資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
| 著者 |
Kusumoto Tamon
Konishi Teruaki
Picollo Federico
Sturari Sofia
Apra Pietro
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| 抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
In this work, we investigate how hydrogenated nanodiamonds (NDs) influence the radiolytic formation of hydrogen peroxide (H₂O₂) and OH radicals (·OH) under X-rays to understand their potential roles as radiosensitizer. To do so, changes in yields of H₂O₂ and ·OH in the presence of hydrogenated nanodiamonds (NDs) under X-rays are explored. Yields of H₂O₂ are quantified by Ghomley technique. Yields of H₂O₂ increase with the concentration of NDs under both oxygenated and de-oxygenated conditions. This enhancement is attributed to the structured adsorbed water layer at the ND surface, which alters secondary radical recombination pathways and promotes H₂O₂ formation. Additionally, yields of ·OH are evaluated using Amplex Red solution. Yields of ·OH do not vary in the presence of NDs. This finding indicates that NDs do not decompose H₂O₂, the dominant route to additional ·OH generation in nanoparticle-enhanced systems. Overall, while NDs do not amplify indirect action via ·OH, their modulation of H₂O₂ yields would still influence downstream oxidative processes and warrants further biological investigation. |
| 書誌情報 |
Colloids and Surfaces A: Physicochemical and Engineering Aspects
巻 737,
p. 139871,
発行日 2026-02
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| 出版者 |
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出版者 |
ELSEVIER |
| DOI |
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識別子タイプ |
DOI |
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関連識別子 |
10.1016/j.colsurfa.2026.139871 |
