High-Speed Coherent Raman Fingerprint Imaging of Biological Tissues.

High-Speed Coherent Raman Fingerprint Imaging of Biological Tissues.
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DOI:
10.1038/nphoton.2014.145
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发表时间:
2014
期刊:
影响因子:
35
通讯作者:
--
中科院分区:
物理与天体物理1区
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--
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An imaging platform based on broadband coherent anti-Stokes Raman scattering (BCARS) has been developed which provides an advantageous combination of speed, sensitivity and spectral breadth. The system utilizes a configuration of laser sources that probes the entire biologically-relevant Raman window (500 cm−1 to 3500 cm−1) with high resolution (< 10 cm−1). It strongly and efficiently stimulates Raman transitions within the typically weak “fingerprint” region using intrapulse 3-colour excitation, and utilizes the nonresonant background (NRB) to heterodyne amplify weak Raman signals. We demonstrate high-speed chemical imaging in two- and three-dimensional views of healthy murine liver and pancreas tissues and interfaces between xenograft brain tumours and the surrounding healthy brain matter.
具有宽带汽车显微镜的药物固体剂型形式的多组分化学成像。
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