What is Electron Paramagnetic Resonance (EPR) and What It Can Do for You?

EPR is a spectroscopic technique that detects species that have unpaired electrons. It is also often called ESR (Electron Spin Resonance). A surprisingly large number of materials have unpaired electrons. These include free radicals, many transition metal ions, and defects in materials. Free electrons are often short-lived, but still play crucial roles in many processes such as photosynthesis, oxidation, catalysis, and polymerization reactions. As a result, EPR crosses several disciplines including chemistry, physics, biology, materials science, medical science and many more.

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0:00 Introduction
0:03 ELECTRON PARAMAGNETIC RESONANCE
0:21 WHAT IS EPR?
0:34 FREE RADICALS
1:20 EPR SPECTROSCOPY
2:29 EMX nano SPECTROMETER