基于CARS的生物组织成像多模式显微镜系统 [受邀]
Mingyu Sheng1, Yuan Zhao1, Zhenguo Wu1,2
1Imaging Unit - Integrative Oncology Department, BC Cancer Research Institute, 675 West 10th Avenue, Vancouver, BC, V5Z 1L3, Canada.
Biomedical optics express
|January 15, 2024
概括
一个新的多模式显微镜系统结合了连贯抗斯托克斯拉曼散射 (CARS) 与多光子和反射共聚焦显微镜,用于详细的生物成像. 这种先进的系统以1fps的速度提供了ex-vivo组织的清晰的2D和3D视图.
科学领域:
- 生物医学光学 生物医学光学
- 显微镜技术 显微镜技术
- 先进的成像成像技术 (Advanced Imaging) 是一种先进的成像技术.
背景情况:
- 多模态显微镜为生物样本分析提供了补充信息.
- 连贯抗斯托克斯拉曼散射 (CARS) 显微镜可以提供无标签的化学对比.
- 整合多种成像模式可以提高诊断和研究能力.
研究的目的:
- 开发和演示基于CARS的新型多模式显微镜系统.
- 为了整合CARS,多光子显微镜 (MPM) 和反射共焦显微镜 (RCM).
- 为了实现高分辨率,共同注册的生物组织成像.
主要方法:
- 使用一个单一的Ti:蓝宝石五分秒激光源.
- 实施了振动激发的光谱选择 (大约. 2850 厘米−1) 针对脂质细胞.
- 采用可调节的光谱过器用于可调节的激发.
- 实现了每秒1的成像速度,分辨率为1024×1024像素.
主要成果:
- 成功生成了ex-vivo生物样本的清晰2D和3D图像.
- 在CARS,MPM和RCM模式中展示了共同注册的成像.
- 使用猪脂肪,小鼠皮肤和小鼠肝脏组织验证了系统的性能.
结论:
- 开发的基于CARS的多模式显微镜系统对于高分辨率的生物成像是有效的.
- 该系统结合多种模式的能力,为组织结构和组成提供了全面的见解.
- 这项技术有可能在病理学和生物医学诊断领域进行先进的研究.
相关概念视频
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