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Related Concept Videos

Cryo-electron Microscopy01:28

Cryo-electron Microscopy

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Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...
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Updated: Feb 17, 2026

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Nanoparticle-mediated cryosurgery for tumor therapy.

Yi Hou1, Ziqiao Sun2, Wei Rao1

  • 1Beijing Key Laboratory of CryoBiomedical Engineering and Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, PR China; School of Future Technology, University of Chinese Academy of Sciences, Beijing, PR China.

Nanomedicine : Nanotechnology, Biology, and Medicine
|December 4, 2017
PubMed
Summary

Nano-cryosurgery enhances traditional cryosurgery by using nanoparticles to improve freezing and protect healthy tissue. This innovative approach aims to overcome limitations of current cryosurgery for better tumor treatment.

Keywords:
Ice crystal growthMinimally invasiveNano-cryosurgeryNanoparticleThermal conductivity

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Oncology

Background:

  • Cryosurgery is a minimally invasive, energy-based technique with fewer side effects than resection.
  • Limitations include insufficient tumor freezing and damage to surrounding healthy tissues.

Purpose of the Study:

  • To review nanoplatforms for nano-cryosurgery.
  • To discuss characteristics, advantages, challenges, and future prospects of nano-cryosurgery.

Main Methods:

  • Literature review of nano-cryosurgery applications.
  • Analysis of nanoparticle-enhanced heat transfer and ice formation.

Main Results:

  • Nanoparticles enhance heat transfer, lower temperatures, and improve ice ball formation in cryosurgery.
  • This can maximize tumor destruction while minimizing healthy tissue injury.

Conclusions:

  • Nano-cryosurgery shows promise for improving cryosurgical outcomes.
  • Further research into nanoplatforms is crucial for clinical translation.