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Desulfuromonas acetoxidans is a species of bacteria. It is strictly anaerobic, rod-shaped, laterally flagellated and Gram-negative . It is unable to ferment organic substances; it obtains energy for growth by anaerobic sulfur respiration .
Sulfur reduction metabolism is an ancient process, found in the deep branches of the phylogenetic tree. [15] Sulfur reduction uses elemental sulfur (S 0) and generates hydrogen sulfide (H 2 S) as the main end product. This metabolism is largely present in extreme environments where, especially in recent years, many microorganisms have been ...
The related Willgerodt–Kindler reaction [6] takes place with elemental sulfur and an amine like morpholine. The initial product is a thioamide for example that of acetophenone [7] which can again be hydrolyzed to the amide. The reaction is named after Karl Kindler The Kindler modification of the Willgerodt rearrangement
Colloidal sulfur (sulfur colloidale) is an extremely fine sulfur powder prepared by repeated precipitation, first from polysulfides with protein and then from a slightly alkaline solution with ethanol or acetone. It has a greyish-white colour. Colloidal solutions in water are milky, and bluish when viewed against the light due to the Tyndall ...
Organosulfur chemistry is the study of the properties and synthesis of organosulfur compounds, which are organic compounds that contain sulfur. [1] They are often associated with foul odors, but many of the sweetest compounds known are organosulfur derivatives, e.g., saccharin. Nature is abound with organosulfur compounds—sulfur is vital for ...
It is a rare blood condition in which the β-pyrrole ring of the hemoglobin molecule has the ability to bind irreversibly to any substance containing a sulfur atom. [ 1 ] [ 2 ] When hydrogen sulfide (H 2 S) (or sulfide ions ) and ferrous ions combine in the heme of hemoglobin, the blood is thus incapable of transporting oxygen to the tissues.
This Thermodesulfobacteriota -related article is a stub. You can help Wikipedia by expanding it.
The Gewald reaction (or the Gewald aminothiophene synthesis) is an organic reaction involving the condensation of a ketone (or aldehyde when R 2 = H) with a α-cyanoester in the presence of elemental sulfur and base to give a poly-substituted 2-amino-thiophene. [1] [2] The Gewald reaction. The reaction is named after the German chemist Karl ...
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