Third-harmonic generation microscopy reveals dental anatomy in ancient fossils

Yu Cheng Chen, Szu Yu Lee, Yana Wu, Kirstin Brink, Dar Bin Shieh, Timothy D. Huang, Robert R. Reisz, Chi Kuang Sun

研究成果: Article同行評審

16 引文 斯高帕斯(Scopus)

摘要

Fossil teeth are primary tools in the study of vertebrate evolution, but standard imaging modalities have not been capable of providing high-quality images in dentin, the main component of teeth, owing to small refractive index differences in the fossilized dentin. Our first attempt to use third-harmonic generation (THG) microscopy in fossil teeth has yielded significant submicrometer level anatomy, with an unexpectedly strong signal contrasting fossilized tubules from the surrounding dentin. Comparison between fossilized and extant teeth of crocodilians reveals a consistent evolutionary signature through time, indicating the great significance of THG microscopy in the evolutionary studies of dental anatomy in fossil teeth.

原文English
頁(從 - 到)1354-1357
頁數4
期刊Optics Letters
40
發行號7
DOIs
出版狀態Published - 2015

All Science Journal Classification (ASJC) codes

  • 原子與分子物理與光學

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