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Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...

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Updated: May 28, 2025

Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications

Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications

Published on: November 10, 2017

分子升级转换纳米粒子用于活细胞成像.

Lucie Haye^1,2, Federico Pini^3,4,5, Lohona Kevin Soro⁶

¹Université de Strasbourg, CNRS, Laboratoire de Bioimagerie et Pathologies UMR 7021, Strasbourg 67000, France.

|February 12, 2025

概括

此摘要是机器生成的。

研究人员开发了用于生物成像的明亮分子上转化纳米粒子 (UCMol-NP). 在聚合物纳米颗粒中封装上转化分子实现了与无机纳米颗粒相比的亮度,使得活细胞成像成为可能.

关键词:

在UCNPs中,UCNPs是最重要的.影像成像技术影像成像技术建模建模是什么意思纳米材料的使用方法升级复杂的复杂的复杂.

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An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

Published on: August 30, 2017

相关实验视频

Last Updated: May 28, 2025

Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications

Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications

Published on: November 10, 2017

Biomolecular Imaging of Cellular Uptake of Nanoparticles using Multimodal Nonlinear Optical Microscopy

Biomolecular Imaging of Cellular Uptake of Nanoparticles using Multimodal Nonlinear Optical Microscopy

Published on: May 16, 2022

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

An Integrated System to Remotely Trigger Intracellular Signal Transduction by Upconversion Nanoparticle-mediated Kinase Photoactivation

Published on: August 30, 2017

科学领域:

材料科学材料科学材料科学
生物技术是生物技术.
纳米技术纳米技术

背景情况:

精确的分子控制对于先进的升级转换材料在无自光深组织成像中至关重要.
目前的上转化分子在水性环境中比无机纳米粒子显著暗,限制了生物成像应用.

研究的目的:

为了将分子精度与纳米材料亮度相结合起来,用于新的升级转换材料.
开发混合纳米材料,以提高生物成像能力.

主要方法:

将大约1900个上转化分子封装成40nm以下的聚合物纳米粒子.
具有不同尺寸和分子负载的分子上转化纳米粒子 (UCMol-NP) 的制造,表征和建模.

主要成果:

开发出混合UCMol-NP,其亮度几乎与广泛使用的无机上转化纳米粒子相匹配.
使用UCMol-NPs证明了成功的活细胞成像,验证了它们对生物应用的潜力.
通过制造和建模,确定了通过UCMol-NPs显著增强亮度的途径.

结论:

分子精度和纳米材料亮度可以在混合UCMol-NP中协同实现.
UCMol-NPs代表了升级材料的重大进步,朝着实际的生物成像应用迈进.
进一步优化UCMol-NPs有望超越当前无机纳米粒子的限制,并使临床翻译.