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*  Sulfur assimilation
Sulfates taken up by the roots are the major sulfur source for growth, though it has to be reduced to sulfide before it is ... For instance, hydrogen sulfide exposure may result in a decreased activity of APS reductase and a depressed sulfate uptake. ... Sulfide is incorporated into cysteine, catalyzed by O-acetylserine (thiol)lyase, with O-acetylserine as substrate. The ... This differs from the process in yeast, where sulfide must be incorporated first in homocysteine then converted in two steps to ...
*  CI chondrite
Iron is present with 25 weight %, but mainly in oxidised form (magnetite). Iron sulfides like pyrrhotite, pentlandite, troilite ... CI chondrite mineralogy is dominated by a fine-grained phyllosilicate matrix, hosting carbonates, sulfates, sulfides, and ...
*  Diallyl trisulfide
DATS can be metabolized by glutathione in red blood cells to form hydrogen sulfide (H2S). This conversion occurs at a ... Heart and Circulatory Physiology, 302 (11): H2410-2418 Lavu, M., Bhushan, S., Lefer, D. (2011) Hydrogen Sulfide-Mediated ... Hydrogen Sulfide Mediates the Vasoactivity of Garlic. Proceedings of the National Academy of Sciences of the United States of ... A major topic of research is the impact of hydrogen sulfide on reducing myocardial ischemia-reperfusion injury. Reperfusion ...
*  Dimethyl trisulfide
DMTS can be synthesized by the reaction of methanethiol with hydrogen sulfide (in the presence of copper (II)) and with sulfur ... Dimethyl trisulfide along with dimethyl sulfide and dimethyl disulfide have been confirmed as volatile compounds given off by ... Mustapha Nedjma; Norbert Hoffmann (1996). "Hydrogen Sulfide Reactivity with Thiols in the Presence of Copper(II) in ...
*  Iron cycle
... and the abiotic reduction of Fe3+ to Fe2+ by iron-sulfide minerals. The iron cycle can also be facilitated by microorganisms, ...
*  Sulfide
... sulfide converts to hydrogen sulfide (H2S) and a metal salt. Oxidation of sulfide gives sulfur or sulfate. Metal sulfides react ... molybdenum sulfide), pentlandite (nickel sulfide), realgar (arsenic sulfide), and stibnite (antimony), sphalerite (zinc sulfide ... When a sulfide burns it produces sulfur dioxide (SO2) gas. Hydrogen sulfide, some of its salts, and almost all organic sulfides ... Sulfide (systematically named sulfanediide, and sulfide(2−)) (British English sulphide) is an inorganic anion of sulfur with ...
*  Sulphide, Ontario
Sulphide Creek, a tributary of the Moira River, flows through the community. Founded in 1836, the town was named for a series ... Sulphide is a settlement in the municipality of Tweed, Hastings County, Ontario, Canada, about 4.5 kilometres (2.8 mi) west of ... Today, Sulphide is home to country living, with some of the original private houses re-occupied. Still, there are some ... The name of the town "Sulphide" came from the mineral that gave the town its existence. And it was by accident. A failed gold ...
*  Lithium sulfide
In air, it easily hydrolyses to release hydrogen sulfide (rotten egg odor). Lithium sulfide is prepared by treating lithium ... 2 Li + S → Li2S The THF-soluble triethylborane adduct of lithium sulfide can be generated using superhydride. Lithium sulfide ... ISBN 0-7506-3365-4. "Webelements - Lithium Sulfide". Retrieved 2005-09-16. Rankin, D. W. H. (1974). "Digermanyl Sulfide". Inorg ... Lithium sulfide is the inorganic compound with the formula Li2S. It crystallizes in the antifluorite motif, described as the ...
*  Triphenylphosphine sulfide
... (IUPAC name: triphenyl-λ5-phosphanethione) is the organophosphorus compound with the formula (C6H5) ... Triphenylphosphine sulfide is useful for the conversion of epoxides to the corresponding episulfides: Ph2C2H2O + Ph3PS → ... Codding, P. W.; Kerr, K. A. (1978). "Triphenylphosphine sulfide". Acta Crystallographica Section B. 34 (12): 3785. doi:10.1107/ ... Mayhew, Darrin L.; Clive, Derrick L. J. (Apr 15, 2001). "Triphenylphosphine Sulfide". Encyclopedia of Reagents for Organic ...
*  Potassium sulfide
Other alkali metal sulfides behave similarly. Potassium sulfides are formed when black powder is burned and are important ... Potassium sulfide is the inorganic compound with the formula K2S. The colourless solid is rarely encountered, because it reacts ... Sulfide is highly basic, consequently K2S completely and irreversibly hydrolyzes in water according to the following equation: ... the term potassium sulfide refers loosely to this mixture, not the anhydrous solid. It adopts "antifluorite structure," which ...
*  Sulphide Glacier
... descends from 8,600 to 5,600 ft (2,600 to 1,700 m). Sulphide Glacier is along the route taken when Mount ... "Sulphide Basin Falls". Northwest Waterfall Survey. Retrieved April 20, 2013. "Sulphide Creek Falls". Northwest Waterfall Survey ... Below these cascades lies Sulphide Lake, which empties over Sulphide Creek Falls, one of the highest waterfalls in North ... Sulphide Glacier is in North Cascades National Park in the U.S. state of Washington, on the south slopes of Mount Shuksan. ...
*  Sulphide Lake
... into Sulphide Lake including Sulphide Basin Falls which is from melt off the Sulphide Glacier. After Sulphide Creek drains from ... Sulphide Lake is located in North Cascades National Park, in the U. S. state of Washington. Sulphide Lake lies in a cirque on ... over a series of cascades called Sulphide Creek Falls, which is one of the tallest waterfalls in the U.S. "Sulphide Lake". ... "Sulphide Creek Falls". Northwest Waterfall Survey. Retrieved June 29, 2013. ...
*  Sulphide Creek
At this point, the distance from the confluence to Sulphide Creek Falls is roughly 2 miles (3.2 km). The volume of Sulphide ... Sulphide Lake, then as it flows out of the lake, drops down Sulphide Creek Falls, one of the tallest waterfalls in North ... Sulphide Creek is a 2.5-mile (4.0 km) glacial tributary of the Baker River in Whatcom County in the U.S. state of Washington, ... "Sulphide" is the British English spelling of sulphur, although the origin of the name is unknown. After exiting the glaciers, ...
*  Phosphorus sulfide
There are several other phosphorus sulfides in addition to P4S3 and P4S10. Six of these phosphorus sulfides exist as isomers: ... "Transfer of Sulfur from Arsenic and Antimony Sulfides to Phosphorus Sulfides. Rational Syntheses of Several Less-Common P4Sn ... Phosphorus sulfides comprise a family of inorganic compounds containing only phosphorus and sulfur. These compounds have the ... All known molecular phosphorus sulfides contain a tetrahedral array of four phosphorus atoms. P4S2 is also known but is ...
*  Copper sulfide
... which consist of mixed copper-iron sulfides, are often referred to as "copper sulfides". In chemistry, a "binary copper sulfide ... Copper sulfides (British English spelling: copper sulphide) describe a family of chemical compounds and minerals with the ... Some copper sulfides are economically important ores. Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS ( ... sulfide Copper(II) sulfide J.C.W. Folmer Holes in the valence band of copper chalcogenides Thesis 1981 Groningen State ...
*  Cobalt sulfide
In general, the sulfides of cobalt are black, semiconducting, insoluble in water, and nonstoichiometric. Cobalt sulfides occur ... Cobalt sulfide is the name for chemical compounds with a formula CoxSy. Well-characterized species include minerals with the ... Synthetic cobalt sulfides are widely investigated as electrocatalysts. Congiu, M.; Albano, L. G. S.; Decker, F.; Graeff, C. F. ... Binary cobalt sulfide minerals include the cattierite (CoS2) and linnaeite (Co3S4). CoS2 is isostructural with iron pyrite, ...
*  Nickel sulfide
It is a black solid that is produced by treating nickel(II) salts with hydrogen sulfide. Many nickel sulfides are known, ... Nonstoichiometric forms of nickel sulfide are known, e.g., Ni9S8 and Ni3S2. Like many related materials, nickel sulfide adopts ... In this structure, nickel is octahedral and the sulfide centers are in trigonal prismatic sites. Nickel sulfide has two ... "Direct Electrical Measurement of the Conversion of Metal Acetates to Metal Sulfides by Hydrogen Sulfide" Inorg. Chem., 2006, 45 ...
*  Silver sulfide
... is insoluble in all solvents, but is degraded by strong acids. Silver sulfide is a network solid made up of ... Silver sulfide (Ag 2S) is the sulfide of silver. It is useful as a photosensitizer in photography. This dense black solid ... When combined with silver, hydrogen sulfide gas creates a layer of black silver sulfide patina on the silver, protecting the ... Degrading wooden treasure chests aboard sunken galleons can provide the sulfide needed for certain sulfide ion consuming ...
*  Sulfide minerals
The sulfide minerals are a class of minerals containing sulfide (S2−) as the major anion. Some sulfide minerals are ... Sulfide minerals are inorganic compounds. Common or important examples include: Sulfides: Acanthite Ag2S Chalcocite Cu2S ... Webmineral New Dana Classification of Sulfide Minerals Media related to Sulfides at Wikimedia Commons. ... 10 Patronite 02.F Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O 02.FA With As, (Sb), S: 05 ...
*  Hydrogen sulfide
... sulfide, which is black. Treating metal sulfides with strong acid often liberates hydrogen sulfide. At pressures above 90 GPa ( ... Hydrogen sulfide is slightly denser than air; a mixture of H 2S and air can be explosive. Hydrogen sulfide burns in oxygen with ... These metal sulfides, such as ferrous sulfide FeS, are often black or brown, leading to the dark color of sludge. Several ... Hydrogen sulfide is used to separate deuterium oxide, or heavy water, from normal water via the Girdler sulfide process. ...
*  Cadmium sulfide
... is the inorganic compound with the formula CdS. Cadmium sulfide is a yellow solid. It occurs in nature with two ... Cadmium sulfide can be prepared by the precipitation from soluble cadmium(II) salts with sulfide ion. This reaction has been ... Cadmium sulfide has, like zinc sulfide, two crystal forms. The more stable hexagonal wurtzite structure (found in the mineral ... Cadmium Sulfide Bjornberg, A (Sep 1963). "Reactions to light in yellow tattoos from cadmium sulfide". Arch Dermatol. 88: 267-71 ...
*  Sulfide intrusion
In biology, sulfide intrusion refers to an excess of sulfide molecules in the soil interfering with plant growth, often ... 2009), "Sulfide intrusion in the tropical seagrasses Thalassia testudinum and Syringodium filiforme", Estuarine, Coastal and ... Seagrass bed sediment (soil) is typically anoxic, containing a reduced form of sulfur: hydrogen sulfide (H2S). H2S is a ... For example, bivalves (clams) in the family Lucinidae host symbiotic bacteria that oxidize sulfides. Lucinid bivalves' gills ...
*  Aluminium sulfide
Aluminum sulfide or aluminium sulphide is a chemical compound with the formula Al2S3. This colorless species has an interesting ... This can begin when the sulfide is exposed to the atmosphere. The hydrolysis reaction generates gaseous hydrogen sulfide (H2S ... Compressing aluminium sulfide to 2-65 kbar results in the δ phase where vacancies are arranged in a superlattice of tetragonal ... Aluminium sulfide is readily prepared by ignition of the elements 2 Al + 3 S → Al2S3 This reaction is extremely exothermic and ...
*  Tetramethylthiuram sulfide
... is an organosulfur compound with the formula ((CH3)2NCS)2S. It is a yellow solid that is soluble in ... It is the parent member of a large class of tetraalkylthiuram sulfides. It is prepared by desulfuration of tetramethylthiuram ... 2NCS subunits joined by a sulfide. The dihedral angle between the subunits is close to 90°. Schubart, Rüdiger (2005), " ...
*  Strontium sulfide
As expected for a sulfide salt of alkaline earth, the sulfide hydrolyzes readily: SrS + 2 H2O → Sr(OH)2 + H2S For this reason, ... Strontium sulfide is the inorganic compound with the formula SrS. It is a white solid. The compound is an intermediate in the ... Strontium sulfide is produced by the reduction of the sulfate above 1000 °C: SrSO4 + 2 C → SrS + 2 CO2 About 300,000 tons are ... Strontium sulfide, cameochemicals.noaa.gov J. Paul MacMillan, Jai Won Park, Rolf Gerstenberg, Heinz Wagner, Karl Köhler, Peter ...