非传统的发光生物大分子具有有效的稀释溶液排放,用于脂质滴滴成像
Bingli Jiang1, Huili Wei1, Feifei Yang1
1Guangxi Key Laboratory of Drug Discovery and Optimization, College of Pharmacy, Guilin Medical University, No. 1 Zhiyuan Rd, Lingui District, Guilin 541199, China.
Biomacromolecules
|January 29, 2026
概括
基于酸的新型非传统发光材料 (NLM) 实现了强大的聚合触发发射 (CTE) 生物成像. 这些可持续材料提供高光发光和低细胞毒性,推进亚细胞成像应用.
科学领域:
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
- 有机化学 有机化学
背景情况:
- 传统的有机发光材料面临着合成和环境挑战.
- 非传统的发光材料 (NLM) 提供了更好的生物相容性,但在稀释溶液中往往显示出微弱的排放.
- 由于在稀释状态下性能差,现有的NLM在生物医学应用中的实用性有限.
研究的目的:
- 为生物成像开发基于酸的新型NLM,具有增强的集群触发发射 (CTE).
- 为了克服非传统发光材料稀释溶液中微弱发射的局限性.
- 为了创建可持续和生物相容的发光探头用于亚细胞成像.
主要方法:
- 合成四种基于酸的NLMs (S1-S4),其中包括疏水性细分.
- 研究在稀释溶液中自组装成纳米集群以诱导CTE.
- 评价光发光量子产量 (PLQYs) 和细胞毒性.
- 评估NLM作为脂滴 (LD) 成像剂,使用尼罗河红色的同位化研究.
主要成果:
- 合成的NLMs (S1-S4) 有效地自组装成纳米集群,限制分子运动并使强大的CTE成为可能.
- 实现了高光发光量子产量,在0.5 mg/mL时达到高达10.07%.
- 该NLM显示出低细胞毒性,表明良好的生物相容性.
- 作为脂质滴滴 (LD) 成像剂,S4表现出色,与尼罗河红色的同位化率为94%.
结论:
- 基于酸的NLM与疏水分段可以在稀释溶液中实现强大的CTE.
- 这些新型NLM为特定亚细胞成像提供了传统光探针的可持续和强大的替代方案.
- 开发的材料有助于在生物医学领域实践应用非合发射剂.
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