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Updated: May 24, 2025

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities

Published on: October 27, 2023

对于双模体体外成像的尺寸控制自组装.

Antonia Albers¹, Shivadharshini Kuberasivakumaran², Zulema Fernández¹

¹Universität Münster, Organisch-Chemisches Institut, Corrensstraße 36, 48149, Münster, Germany.

Angewandte Chemie (International ed. in English)

|March 4, 2025

概括

新的染料组合作为对比剂,用于同时进行多模式和多尺度的生物医学成像. 这些自组装的aza-BODIPY纳米结构提供可调节的特性和优良的生物相容性,用于先进的诊断.

关键词:

两系统是两系统.水性自组装式自组装器生物医学成像学生物医学成像学纳米结构是一种纳米结构.π-结合系统是 π-结合系统.

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Last Updated: May 24, 2025

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科学领域:

生物医学工程生物医学工程
材料科学材料科学材料科学
纳米技术纳米技术

背景情况:

对比剂 (CA) 在生物医学成像中对疾病诊断和治疗监测至关重要.
目前的CA仅限于单一的模式,并具有固定的特性,阻碍了全面的生物过程可视化.
开发多功能CA对于推进诊断能力至关重要.

研究的目的:

引入一种由合理设计的染料组件组成的新平台,用于同时进行多模式和多尺度的生物医学成像.
合成两性aza-BODIPY染料,并研究它们自组装成具有可调节性质的纳米结构.
确定这些纳米结构对于先进的体外和体外成像应用的实用性.

主要方法:

合成具有不同疏水性基链长度 (C1,C8,C12,C16) 的两性aza-BODIPY染料.
在水性介质中以可调节尺寸 (50 nm-1 μm) 和光物理性质的纳米结构进行自我组装的表征.
建立光反射率和光声成像 (体外和体内),细胞活力测定和生物分布研究.

主要成果:

Aza-BODIPY染料自组装成J型聚合的纳米结构,具有近红外 (NIR) 吸收/发射和光声学特性 (C8-C16).
在体外和体内成功证明了半定量光反射率和光声学成像.
在体内证实了纳米结构的优良生物相容性和尺寸依赖的生物分布.

结论:

合理设计的aza-BODIPY染料组件为多模式和多尺度的生物医学成像提供了一个多功能平台.
自组装方法允许调节的纳米结构大小和光物理性质,克服传统CA的局限性.
这项技术在解决复杂的生物医学问题和推进诊断成像方面具有重大潜力.