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Nanoparticle characterisation via 2D classification using single particle averaging

delete2025-07-21
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OA
AI
I
Iain Harley
A
Anke Kaltbeitzel
F
Francesca Mazzotta
K
Kaloian Koynov
S
Sarah S. Lembke
T
Thao P. Doan‐Nguyen
K
Katharina Landfester
I
Ingo Lieberwirth
DOI:10.1039/D5NH00094Gdelete
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摘要

摘要

En 中文
表征纳米粒子(NPs)的尺寸和形貌;特别是在核-壳粒子、纳米胶囊等复杂体系中;由于传统方法在分辨率和适用性方面的局限性,仍是一项重大挑战。在此,我们探索了一种基于图像的NP表征新方法,采用用于单粒子分析中的二维分类平均(2D-CA)技术。通过利用源自结构生物学领域并已建立完善的软件;我们的方法可为包括双峰粒子尺寸分布、纳米胶囊和纳米棒在内的多样化NP体系提供详细的尺寸分布分析。为验证该技术的有效性和准确性,我们将其与现有表征方法进行对比研究;突显了2D-CA在增强对传统方法难以触及的复杂NP系统(如高度团聚的NPs)的分析方面的潜力。我们的结果表明,单粒子平均技术为NP尺寸分布的确定提供了可靠统计学基础;并结合利用成熟软件的简化工作流程。该方法有助于处理大量显微图像,通过自动粒子识别获得统计上稳健的结果,并最大限度地减少人为偏差。

期刊

Nanoscale Horizons 封面图
Nanoscale Horizons
IF:
6.6
论文数:
1.3K
被引数:
6.3K

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