Laser Induced Popcorn-like Conformational Transition of Nano-diamond as a Nanoknife

Chia-Ching Chang, Hsueh Liang Chu, Tzu Cheng Lee, Ching-Chung Chou

研究成果: Meeting Abstract同行評審

摘要

Nanodiamond (ND) is surrounded by layers of graphite on its surface. This unique structure feature creates unusual fluorescence spectra, which can be used as an indicator to monitor its surface modification. Meanwhile, the impurity, nitroso (C-N=O) inside the ND can be photolyzed by two-photon absorption, releasing NO to facilitate the formation of a sp3 diamond structure in the core of ND and transforming it into a sp2 graphite structure. Such a conformational transition enlarges the size of ND from 8 nm into 90 nm, resulting in a popcorn-like structure. This transition reaction may be useful as nano-knives in biomedical application.
原文English
頁(從 - 到)28A-28A
頁數1
期刊Biophysical Journal
96
發行號3
DOIs
出版狀態Published - 2月 2009

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