Investigation on the molecular basis of mitochondrial disease by Electron paramagnetic resonance (EPR) spectroscopy (CAT#: STEM-MB-1012-WXH)

Introduction

Mitochondrial disease is a group of disorders caused by mitochondrial dysfunction. Mitochondria are the organelles that generate energy for the cell and are found in every cell of the human body except red blood cells. They convert the energy of food molecules into the ATP that powers most cell functions.
Mitochondrial diseases take on unique characteristics both because of the way the diseases are often inherited and because mitochondria are so critical to cell function. A subclass of these diseases that have neuromuscular symptoms are known as mitochondrial myopathies.

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Principle Applications Procedure Materials Notes Related Products

Principle

Electron Paramagnetic Resonance (EPR), also called Electron Spin Resonance (ESR), is a branch of magnetic resonance spectroscopy which utilizes microwave radiation to probe species with unpaired electrons, such as radicals, radical cations, and triplets in the presence of an externally applied static magnetic field.
EPR spectroscopy is particularly suitable for the investigation of (bio)chemical systems with strongly localized spin density and their interaction with the environment. For these systems EPR provides information on the structure and dynamics and is widely used in chemistry, physics and biology.

Applications

• Study dynamic organisation of lipids in biological membranes, lipid-protein interactions and temperature of transition of gel to liquid crystalline phases.
• Determine oxygen levels in tissues and blood.
• Injection of spin-labeled molecules allows for electron resonance imaging of living organisms.
• EPR can be used to measure microviscosity and micropolarity within drug delivery systems as well as the characterization of colloidal drug carriers.
• The study of radiation-induced free radicals in biological substances (for cancer research).
• Investigation on the antioxidant properties of medicine

Procedure

1. Sample Preparation
2. Electron paramagnetic resonance (EPR) spectroscopy testing
3. Data analysis

Materials

• EPR Spectrometer
• Spectrophotometer

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