同时无标签的自光多子显微镜,由从散装非线性晶体生成的超级连续驱动
Alejandro De la Cadena1, Jaena Park1,2, Kayvan F Tehrani1
1Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, Urbana, IL, USA.
Biomedical optics express
|February 26, 2024
概括
这项研究引入了一种新的超连续激光源,用于非线性多光子显微镜. 这种紧的系统可以同时对生物分子进行无标签的成像,从而推进临床应用.
科学领域:
- 生物医学光学 生物医学光学
- 显微镜的使用方法
- 激光物理 激光物理
背景情况:
- 非线性显微镜使用激光来成像生物样本中的内在分子.
- 目前的系统的光谱能力有限,需要多个激光器进行同时的分子分析.
- 这增加了数字组织病理学和图像引导手术等应用的成本和复杂性.
研究的目的:
- 为非线性多光子显微镜开发一个紧而实用的超连续激光源.
- 为了实现生物组织中多个内源分子的同时,无标签的成像.
- 为非线性显微镜的临床翻译提供一个具有成本效益的替代方案.
主要方法:
- 从散装的伊特石榴石 (YAG) 水晶中利用超连续生成.
- 产生的宽带秒辐射覆盖可见光和近红外光谱.
- 将生成的超级连续体应用于非线性多光子显微镜进行成像.
主要成果:
- 超级连续源提供宽带辐射 (550-900 nm和950-1200 nm).
- 在1030-1150nm范围内的脉冲使得ex vivo辛奇拉脏的无标签体积化学成像成为可能.
- 证明了同时自光多波成像能力.
结论:
- 来自散装YAG晶体的超连续生成是多式非线性显微镜的强大来源.
- 开发的系统为先进的生物成像提供了一个实用而紧的解决方案.
- 这种方法促进了无标签非线性显微镜技术的临床转化.
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