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Cryo-electron Microscopy

Cryo-electron Microscopy

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: Aug 4, 2025

Thermal Ablation for the Treatment of Abdominal Tumors

Thermal Ablation for the Treatment of Abdominal Tumors

Published on: March 7, 2011

Exploratory study on tissue ablation with cryoelectrolysis.

Franco Lugnani¹, Jianfei Ye², Ling Yuan³

¹Hippocrates D.O.O, Divaca, Slovenia.

|April 5, 2023

Summary

This summary is machine-generated.

This study introduces cryoelectrolysis, combining freezing and electrolysis for tissue ablation. The research found that adding electrolysis during thawing expands the ablated area compared to cryoablation alone.

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Area of Science:

Medical Devices
Surgical Technology
Biomedical Engineering

Background:

Cryoablation is a minimally invasive procedure that uses cold to destroy abnormal tissue.
Electrolysis involves using an electric current to cause a chemical change.
Combining these modalities may offer enhanced tissue ablation efficacy.

Purpose of the Study:

To explore the effects of combining electrolysis with cryoablation during the thawing phase.
To evaluate the novel cryoelectrolysis treatment protocol on liver tissue.
To compare histological differences between cryoablation alone and cryoelectrolysis.

Main Methods:

An exploratory study was conducted on Landrace pig livers.
A cryoablation probe was utilized as the electrode for delivering electrolysis.
Tissue samples were examined 24 and 48 hours post-treatment.

Main Results:

Cryoelectrolysis demonstrated an expanded ablated area compared to cryoablation alone.
Distinct histological differences were observed between tissues treated with cryoablation alone, cryoelectrolysis with anode, and cryoelectrolysis with cathode.
The study described the cryoelectrolysis device and various ablation configurations.

Conclusions:

The addition of electrolysis during the thawing stage of cryoablation enhances tissue ablation.
Cryoelectrolysis presents a novel approach with distinct histological outcomes based on electrode polarity.
Further research is warranted to explore the full potential of cryoelectrolysis in tissue ablation.