实时监测氧气敏感光聚 (烯-烯无水化物) 纳米颗粒的细胞毒性作用,使用电基板阻抗传感
Fernando Pesantez Torres1, Elijah C Feret1, Yubing Xie1
1Department of Nanoscale Science and Engineering, College of Nanotechnology, Science and Engineering, University at Albany, State University of New York, 257 Fuller Road, Albany, New York 12203, United States.
ACS applied bio materials
|October 9, 2025
概括
聚 styrene-co-maleic anhydride (SMA) 纳米粒子 (NP) 氧气传感器是生物相容的,没有细胞毒性. 然而,这些纳米粒子传感器可能会破坏内皮屏障功能,需要进一步研究生物医学应用.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 细胞生物学 细胞生物学
背景情况:
- 光聚 styrene-co-maleic anhydride (SMA) 纳米粒子 (NP) 氧气传感器为生物医学研究中的现场氧气梯度的可视化提供了潜力.
- 了解细胞相互作用和生物相容性对于扩大这些SMA NP氧气传感器的应用至关重要.
研究的目的:
- 使用电池基底阻抗传感器 (ECIS) 评估SMA NP氧气传感器的细胞毒性.
- 检查SMANP对内皮屏障功能和细胞相互作用的影响.
- 评估ECIS对纳米粒子生物相容性评估的有用性.
主要方法:
- 利用电气细胞基底阻抗传感器 (ECIS) 来监测细胞行为并测量单层培养物的阻抗.
- 进行了内皮屏障功能分析和显微镜检查,以评估NP效应.
- 在各种剂量中评估了SMA NP细胞毒性.
主要成果:
- 在任何测试剂量中,SMA NP氧气传感器都没有显示出细胞毒性,表明良好的生物相容性.
- 显微镜检查显示,NP 已经融入了细胞外基质.
- 有证据表明,NP的结合可能会破坏内皮屏障的功能.
结论:
- SMA NP氧气传感器是生物相容的,适合在生物医学研究中进一步使用.
- ECIS是评估纳米粒子生物相容性的宝贵工具,特别是当光学方法受到干扰的阻碍时.
- 需要进行进一步的研究,以了解和减轻由SMANP引起的内皮屏障功能的潜在干扰.
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