ROS and Male fertility ..2

ROS and Male fertility  ..2






My memories
ROS and Male fertility ...2
Posted in 2013

They are short-lived reactive chemical intermediates, which contain one or more electrons with unpaired spin. Free radicals are highly reactive and oxide lipids in membranes, carbohydrates and amino acids in proteins, and damage nucleic acids. Free radicals are active participants in different processes, and they cannot be considered only damaging agents, but real players in many normal functions of living organisms. They are normal by-products in various metabolic and physiological processes, whereas excessive production of them results in the oxidative stress.
The dioxygen molecule (O2) is a biradical, because it contains two electrons with the same spin in an external antibonding molecular orbital. Molecular oxygen can be reduced via a four-electron mechanism with acceptance of four protons yielding two water molecules. In this case, the free biradical is simply converted to a non-radical species due to acceptance of the four electrons and four protons. However, there is another way to reduce molecular oxygen; this is one-electron successive reduction. Receiving one electron, O2 is converted to the superoxide anion radical (O2⋅-), containing one unpaired electron in an external antibonding orbital. Accepting a second electron and two protons converts the superoxide anion radical into hydrogen peroxide (H2O2); H2O2has a non-radical nature and is chemically more active than molecular oxygen but less active than O2⋅-.
My advise
1...  Oxygen is important for our life.   Without oxygen we cannot survive
2...  Oxygen is important for digesting our food
3...  Oxygen is important for our brain, lungs and kidney function,, cleaning our blood etc..
4...  Oxygen is important for sperm health of the male
5...  Follow healthy food for your body and sperm health

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