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Updated: Jun 14, 2026
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Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
Published on: August 7, 2018
A new heat source for thermochemical ablation based on redox chemistry: initial studies using permanganate
Erik N K Cressman1, Hsiang-Jer Tseng, Reza Talaie
1Department of Radiology, University of Minnesota Medical Center, Minneapolis, Minnesota 55455, USA. cress013@umn.edu
Summary
Permanganate redox reactions can generate high temperatures for tumor ablation. Controlling reagent concentrations, volumes, and substrates allows for precise thermal control in this exothermic chemical process.
Area of Science:
- Chemistry
- Biomedical Engineering
- Oncology
Background:
- Exothermic redox reactions are being explored for novel therapeutic applications.
- Tumor ablation requires precise temperature control to destroy cancerous cells effectively.
Purpose of the Study:
- To investigate the potential of permanganate redox chemistry for tumor ablation.
- To evaluate the influence of various parameters on the temperature generated by this reaction.
Main Methods:
- Sodium permanganate and glycerol were injected in various orders and concentrations into a beaker.
- Experiments were repeated with different substrates including glucose, sucrose, and polysaccharides.
- Simultaneous injections were performed in explanted porcine muscle tissue.
- Temperature was monitored using a thermocouple probe and infrared camera.
Main Results:
- Optimal conditions (2 M permanganate, 1 M glycerol) yielded temperatures up to 97.4°C.
- Glucose and sucrose as substrates produced similar temperatures but at varying rates.
- Dextrin and maltodextrin resulted in lower maximum temperatures (42.5°C and 51.1°C).
- Intramuscular injection in porcine muscle reached an average of 76.5°C at the lesion site.
Conclusions:
- Permanganate redox chemistry demonstrates significant potential for achieving tumoricidal temperatures.
- The reaction's outcome can be modulated by adjusting reagent concentrations, volumes, injection order, and substrate selection.
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