Permian Sea Organics

Sulfureted Hydrogen: Toxic But Brings Us Back to Life

H2S is a fatal poison odorant gas smelt like a moldy egg, but it has important physical function in humane bodies that will midwifery new methods against many diseases such like heart attack, proved by researches. How to Take Care of Your Inviting prom gowns in Daily Life As early as a few centuries ago, scientists had clearly known what harm would hydrogen sulfide cause to human body. wedding flower girl dresses , Most Popular Picks for Daughter Now gas has become a primary factor that cause occupational diseases.

Human nose can sense concentration of 0.0047ppm (1ppm means percent per million) of hydrogen sulfide. When its concentration rise to 500 ppm, our breathing will be inhibited. If the concentration reaches 800ppm, people will die within 5 minutes. But paradoxically, human existence can not be without hydrogen sulfide. Why rely on such gas with odor? Let’s go back 250 million years ago to find the answer. At that time, the Permian era) was drawing to a close when species extinction was on the stage. The prospect of life on Earth was in danger.

A mainstream theory thinks that this catastrophe caused by the eruption of Siberian Voleanic, the carbon dioxide released from this process caused a series of environment changes, the oxygen content of the ocean down to a dangerous level, the life of the earth gradually slid into the abyss of the death. For the aerobic marine life, it was a bad news that the chemical composition of the sea water changed following above mentioned, but in this environment, anaerobic life like green sulfur bacteria flourished quickly. The domination of the anaerobic creatures will release a large amount of hydrogen sulfide, further changing the marine environment, which is more detrimental to the remaining aerobic creatures. The above extinction theory thinks that spread the deadly gas into the air from the ocean, which is also a threat to survival of land plants and animals. When The Permian ended, 95% of marine organisms and that of 70% on land have been extinct. The important role of Hydrogen sulfide in human physiological processes may be inherited from 2.5 million years ago, for only the species that are able to tolerate, and even in some cases to make use of hydrogen sulfide, it may survive this catastrophe.

The study confirme that the blood vessels of human body and the rats can produce hydrogen sulfide, what functions do they have? In fact, hydrogen sulfide is not the only one “deadly gas” known to playing a role in the body. In the 1980s, the scientists have found some proof to indicate that human body produce the NO with low density as the signal element to affect the cell action. The American pharmacologist has found that the NO has the functions of expanding blood vessel, adjusting the immune system and delivering the nerve signs and another CO without color and flavor and called [the silence killer" by people also have the same effect.

Finished work back home, I smell the room filled with the bursts of odor. It took me to the front of the glass window. The treasure-troves of my family were collected in the vitrine including the Easter eggs made in a campus activity by my eldest daughter. One of the eggs was broken where came out the pungent odor. I start to doubt whether the organs and tissue also can produce the hydrogen sulfide with smelly egg. I put the study of NO and CO concentrates into the effects to the cardiovascular system from then on. So I decided to devote my time and energy to researches on H2S right from here. A series of experiments indicated that H2S had a phenomenal bioactivity, which proved my accurate decision. Preliminary researches have proved that there is CSE enzyme which can create hydrogen sulfide in smooth muscle cells, after that, the researches on the mouse, cattles and human endothelial cells reveal that these cells also can synthesized the enzyme, the amount is even more than smooth muscle cells.

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