聚合倾向,细胞摄入量,以及结构上不同的碳醇-甲金纳米结合物的活力效应
Neval Sevinç Özdemir1,2, Özlem İpsiz Öney3, Hacer Yasemin Yenilmez3
1Department of Pharmaceutical Basic Sciences, Faculty of Pharmacy, Acıbadem Mehmet Ali Aydınlar University, Atasehir, Istanbul 34752, Turkiye.
ACS organic & inorganic Au
|February 9, 2026
概括
新型氨酸-金纳米粒子 (Pc-AuNP) 结合物被合成并测试用于癌症治疗. 它们的聚合,细胞相互作用和细胞毒性概况根据金属中心,替代和大小而有所不同,为优化纳米光疗剂提供了洞察力.
科学领域:
- 纳米技术纳米技术
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
背景情况:
- 聚氨酸-金纳米粒子 (Pc-AuNP) 结合物将黄金的特性与聚氨酸在癌症治疗中的治疗潜力结合在一起.
- 合成了新型含有碳素的酸 (Pcs),具有不同的金属中心 (Si-IV,Zn-II) 和替代模式.
研究的目的:
- 为了合成和描述新的Pc-AuNP合物.
- 评估它们的稳定性,细胞相互作用和对癌细胞的细胞毒性作用.
- 了解结构变异如何影响它们作为纳米光疗剂的性能.
主要方法:
- 使用TEM和SEM合成和表征Si-(IV) 和Zn-(II) Pc-AuNP结合物.
- 在完整的介质中进行稳定性测试.
- 使用明亮场显微镜对A549肺腺癌和HUVEC细胞进行细胞相互作用研究.
- 使用PrestoBlue评估细胞毒性进行活力测试.
主要成果:
- SiPc-AuNPs显示出比ZnPc-AuNPs更高的聚合趋势.
- 在A549细胞中,Pc-AuNPs诱导了细胞脱离,但不是HUVEC细胞,这表明细胞类型的特异性.
- 内部化纳米结合物类似地定位在细胞质和周核区域,由AuNP载体驱动.
- 只有Au40/SiPc暂时增加了A549的降解能力,这表明短期的ROS清理.
结论:
- 金属中心,替代几何和纳米粒子大小共同影响PC-AuNP聚合,细胞相互作用和细胞毒性.
- 这些发现为纳米光疗应用Pc-AuNPs的合理设计和优化提供了关键的见解.
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