What are free radicals? Free radicals are highly reactive molecules or atoms that play a crucial role in various chemical and biological processes. Understanding their behavior and detecting their presence is essential to studying their involvement with disease progression, environmental pollution, and other biological and chemical systems. Image via the Internet Principles of EPR Spectrosc...
In the field of analytical instrumentation, both Electron Spin Resonance (ESR) spectrometers and Nuclear Magnetic Resonance (NMR) spectrometers play an important role. Although they use similar principles, there are significant differences between the two techniques. ESR Spectrometer: Electron Spin Resonance (ESR) spectrometers are employed to study the behavior of unpaired electrons within...
Electron paramagnetic resonance (EPR), also known as electron spin resonance (ESR), is a technique used to study the magnetic properties of materials containing unpaired electrons. Here is a brief explanation of how electron paramagnetic resonance works: Unpaired electrons: Many materials, such as transition metal ions or organic radicals, possess unpaired electrons. These unpaired electrons h...
The g-value plays a crucial role in EPR (Electron Paramagnetic Resonance) spectroscopy in understanding the electronic structure and magnetic properties of paramagnetic substances. Today, we will talk about the key factor in EPR spectroscopy: the g-value (g-factor). The g-value is a dimensionless quantity that represents a constant of proportionality between the magnetic field and the energ...
Electron paramagnetic resonance (EPR) spectroscopy is a powerful technique used to study the electronic structure of paramagnetic substances. It provides valuable insights into the nature and interactions of unpaired electrons in magnetic fields. Selection rules in EPR spectroscopy establish conditions that allow or prohibit leaps between different energy levels. Understanding these selection rule...
Electron Paramagnetic Resonance (EPR) spectrometers are widely used in research institutions, universities, and industrial laboratories in South Korea. Major brands of EPR spectrometers in Korea include Jeol, Bruker, Nicolet, and CIQTEK. Below are the features and prices of these EPR companies. Jeol Features: Jeol is a time-honored brand known for its high-quality and reliable instruments. ...
There are several scanning electron microscope manufacturers in Korea. The following are some of the famous companies: JEOL LIMITED: JEOL is a manufacturer of scientific instruments and equipment, including scanning electron microscopes. They offer a range of scanning electron microscope models with different specifications and applications. Hitachi High-Tech Korea Co., Ltd: Hitachi ...