Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

870
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
870

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Nearly Flat Conduction Bands from Bond-Centered Orbital Networks in Dense C<sub>3</sub>N<sub>4</sub>.

Nano letters·2026
Same author

Two-Dimensional Flat Bands in Moiré Diamonds.

Nano letters·2026
Same author

First-principles predictions of the diversity in the atomic structures and electronic properties of the reconstructed Si(111)-7 × 7 surface.

Physical chemistry chemical physics : PCCP·2026
Same author

Prediction of Room Temperature Ferroelectricity in Subnano Silicon Thin Films with an Antiferroelectric Ground State.

Physical review letters·2025
Same author

Low-energy tetrahedral networks for carbon and silicon from (2+1)-regular bipartite-like graphs.

IUCrJ·2025
Same author

Flat-band based high-temperature ferromagnetic semiconducting state in the graphitic C<sub>4</sub>N<sub>3</sub> monolayer.

Fundamental research·2025

相关实验视频

Updated: Apr 30, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.7K

使用稀土化碳量子点进行高效的生物成像:一种化策略

Junyang Shao1, Yi Zhang1, Chaoyu He2

  • 1College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.

iScience
|February 24, 2026
PubMed
概括

用兰化物合的碳量子点 (L-CQD) 克服了生物成像的局限性. 这些增强的量子点为先进的细胞和体内成像提供了改进的光发光量子产量和简化净化.

关键词:
应用科学 应用科学光学成像技术的使用.

更多相关视频

Visualizing Subcellular Localization of a Protein in the Heart Using Quantum Dots-Mediated Immuno-Labeling Followed by Transmission Electron Microscopy
08:13

Visualizing Subcellular Localization of a Protein in the Heart Using Quantum Dots-Mediated Immuno-Labeling Followed by Transmission Electron Microscopy

Published on: September 16, 2022

3.3K
Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays
07:13

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays

Published on: June 28, 2024

2.3K

相关实验视频

Last Updated: Apr 30, 2026

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

18.7K
Visualizing Subcellular Localization of a Protein in the Heart Using Quantum Dots-Mediated Immuno-Labeling Followed by Transmission Electron Microscopy
08:13

Visualizing Subcellular Localization of a Protein in the Heart Using Quantum Dots-Mediated Immuno-Labeling Followed by Transmission Electron Microscopy

Published on: September 16, 2022

3.3K
Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays
07:13

Author Spotlight: High-Quality Quantum Dot Nanobeads for Sensitive Fluorescent Lateral Flow Immunoassays

Published on: June 28, 2024

2.3K

科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 生物医学工程 生物医学工程

背景情况:

  • 碳量子点 (CQD) 面临生物成像方面的挑战,包括低光发光量子产量 (PLQY) 和复杂的净化.
  • 开发具有增强光学性能和生物相容性的新型纳米材料对于先进的生物成像至关重要.

研究的目的:

  • 合成化碳量子点 (L-CQDs),以解决传统CQDs的局限性.
  • 增强PLQY并简化CQD的净化过程.
  • 评估L-CQD在细胞标记和体内光成像方面的潜力.

主要方法:

  • 使用酸,尿素,化和化在糖醇水系统中的L-CQDs的一微波辅助溶热合成.
  • 对L-CQD的结构,尺寸和光学特性进行表征,包括PLQY测量.
  • 在各种细胞系 (HUVEC,RAW264.7) 和体内 (C57小鼠) 中评估L-CQD生物安全性,并评估其生物成像性能.

主要成果:

  • 通过兰化物 (和) 的注,实现了PLQY从0.43%到69%的显著增强.
  • 合成了类似于石墨烯的L-CQDs (≈8 nm) 与抗斯托克斯蓝色排放,并通过乙醇沉证明了有效的净化.
  • 证实了出色的生物安全性,并观察到增强的光强度,在高透的器官,包括大脑,特定的积累,表明血脑屏障的透.

结论:

  • 在生物成像中,用兰化物合的碳量子点 (L-CQDs) 为克服传统CQDs在生物成像中的局限性提供了一个有希望的解决方案.
  • 开发的L-CQD显示出卓越的光学性能,高效的净化和出色的生物相容性.
  • L-CQD显示出高级细胞标记和体内光成像应用的巨大潜力,包括穿越血脑屏障.