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*  History of cancer chemotherapy
They exchanged a nitrogen molecule for sulfur and had a more stable compound in nitrogen mustard. A year into the start of ...
*  Chlorosome
Green sulfur bacteria are a group of organisms that generally live in extremely low-light environments, such as at depths of ... Inside green sulfur bacteria, the chlorosomes are attached to type-I reaction centers in the cell membrane via FMO-proteins and ... Because they have been so difficult to study, the chlorosomes in green sulfur bacteria are the last class of light-harvesting ... To create the mutant, three genes were inactivated that green sulfur bacteria acquired late in their evolution. In this way it ...
*  Sulfur assimilation
Cysteine is sulfur donor for the synthesis of methionine, the major other sulfur-containing amino acid present in plants. This ... Sulfur gases are potentially phytotoxic, however, they may also be metabolized and used as sulfur source and even be beneficial ... Sulfur compounds are also of great importance for food quality and for the production of phyto-pharmaceutics. Sulfur deficiency ... It is also the major transport form of reduced sulfur in plants. Roots likely largely depend for their reduced sulfur supply on ...
*  Flue-gas desulfurization
The action of the electron beam is to promote the oxidation of sulfur dioxide to sulfur(VI) compounds. The ammonia reacts with ... When fossil fuels are burned, about 95 percent or more of the sulfur is generally converted to sulfur dioxide (SO 2). Such ... 4,000 per ton An alternative to removing sulfur from the flue gases after burning is to remove the sulfur from the fuel before ... This elemental sulfur is then separated and finally recovered at the end of the process for further usage in, for example, ...
*  Allotropes of sulfur
It sometimes called "white sulfur of Das" or supersublimated sulfur. It is a mixture of ψ-sulfur and lamina sulfur. The ... It is called ρ-sulfur, ε-sulfur, Engel's sulfur and Aten's sulfur. Another method of preparation involves reacting a ... This form, also called fibrous sulfur or ω1-sulfur, has been well characterized. It has a density of 2.01 g·cm−3 (α-sulfur ... This is the predominant form found in "flowers of sulfur", "roll sulfur" and "milk of sulfur". It contains S8 puckered rings, ...
*  Dimethyl trisulfide
The reactivity of DMTS is related to its weak sulfur-sulfur bond (ca. 45 kcal/mol). Dimethyl tetrasulfide, which is thermally ... sulfur-sulfur bond (ca. 36 kcal/mol). Oxidation of DMTS by meta-chloroperoxybenzoic acid (mCPBA) gives the corresponding S- ... and with sulfur dichloride, among other methods: 2 CH3SH + SCl2 → CH3SSSCH3 + HCl On heating at 80 °C, DMTS slowly decomposes ...
*  Nerve agent
... while other substances such as sulfur mustard could last longer. There have also been a few incidents of chemical weapons ...
*  Calcium bisulfite
It is a weak reducing agent, as is sulfur dioxide, sulfites, and any other compound containing sulfur in the +4 oxidation state ... It may be prepared by reacting lime with an excess of sulfurous acid[citation needed], essentially a mixture of sulfur dioxide ...
*  Low-sulfur diet
A low-sulfur diet is a diet with reduced sulfur content. Sulfur containing compounds may also be referred to as thiols or ... Important dietary sources of sulfur and sulfur containing compounds may be classified as essential mineral (e.g. elemental ... Sulfur is an essential dietary mineral primarily because amino acids contain it. Sulphur is thus considered fundamentally ... particularly sulfur containing amino acids). Low sulfur diets are purported to be therapeutic for non medically recognized ...
*  Sulfur
... mustard, a potent vesicant, was used in World War I as a disabling agent. Sulfur-sulfur bonds are a structural component ... The principal sulfur oxides are obtained by burning sulfur: S + O2 → SO2 2 SO2 + O2 → 2 SO3 Multiple sulfur oxides are known; ... Sulfur is derived from the Latin word sulpur, which was Hellenized to sulphur. The spelling sulfur appears toward the end of ... Standard-formulation dusting sulfur is applied to crops with a sulfur duster or from a dusting plane. Wettable sulfur is the ...
*  Sulfur (song)
"Sulfur" - 4:37 "Sulfur (Chris Lord-Alge Mix)" - 4:37 (#8) Corey Taylor - vocals (#7) Mick Thomson - rhythm guitar (#4) Jim Root ... "Video Preview: Get a Whiff of Slipknot's 'Sulfur'". MTV. 2009-04-14. Retrieved 2009-04-15. "Video Premiere: Slipknot's 'Sulfur ... "Sulfur" was the fourth single from American metal band Slipknot's fourth album All Hope Is Gone. The single was released on ... "Sulfur", "Duality" and "Psychosocial" became downloadable content in Rock Band on December 8, 2009. "This is the first song Jim ...
*  Sulfur hexafluoride
Like xenon, sulfur hexafluoride is a non-toxic gas, yet by displacing oxygen in the lungs, it also carries the risk of asphyxia ... Sulfur hexafluoride is also routinely used as a tracer gas in laboratory fume hood containment testing. The gas is used in the ... The density of sulfur hexafluoride is relatively high at room temperature and pressure due to the gas's large molar mass. ... Some other sulfur fluorides are cogenerated, but these are removed by heating the mixture to disproportionate any S 2F 10 ( ...
*  Sulfur (band)
Studio albums Delirium Tremens (1998, Goldenfly) Singles "Water Song/Nova Sangre" (1994, Lungcast) Sulfur at AllMusic Sulfur ( ... Sulfur was an American dark cabaret ensemble formed by Michele Amar in New York City in 1991. It was originally an outlet for ... Sulfur's beginnings can be traced to a musical project began in 1991 by French musician Michele Amar, who had started composing ... After playing several shows, the band changed its name to Sulfur after being informed that another band had already taken the ...
*  Sulfur diimide
Other routes to sulfur diimides involve treatment of sulfur tetrafluoride with amines. A third route involves transimidation of ... Sulfur diimides are chemical compounds of the formula S(NR)2. The parent member, S(NH)2, is of only theoretical interest. Other ... A yellow oil, it is prepared by reaction of tert-butylamine with sulfur dichloride to give the intermediate "S(N-t-Bu)", which ... Sulfur diimides are electrophilic. They undergo Diels-Alder reaction with dienes. Organolithium compounds add to give the ...
*  Sulfur lamp
The sulfur lamp consists of a golf ball-sized (30 mm) fused-quartz bulb containing several milligrams of sulfur powder and ... The sulfur lamp (also sulphur lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated ... It would be impossible to excite the sulfur using traditional electrodes since the sulfur would quickly react with and destroy ... One sulfur lamp with a light pipe can replace dozens of HID lamps. In the National Air and Space Museum, three lamps, each with ...
*  Sulfur trioxide
Sulfur dioxide, which in turn is produced by the burning of sulfur or iron pyrite (a sulfide ore of iron). After being purified ... Sulfur trioxide is generated in situ from sulfuric acid or is used as a solution in the acid. Sulfur trioxide will cause ... Sulfur trioxide (alternative spelling sulphur trioxide) is the chemical compound with the formula SO3. In the gaseous form, ... NIST Standard Reference Database ChemSub Online Hypervalent molecule Sulfur trioxide pyridine complex "SULFUR TRIOXIDE CAMEO ...
*  Sulfur inlay
On cooling, sulfur also expands slightly, locking it into place. The colour of the sulfur inlay is a pale yellow or off-white. ... Sulfur is used as it has a low melting point, easily achieved on a hotplate. This also reduces the risk of charring the wood ... Sulfur has also been used as a historical hot-melt glue for setting ironwork into stone, or for bonding stone together. Niello ... Overheating the sulfur causes it to darken to brown, and also produces noxious fumes and a risk of fire. Antiquarians ...
*  Sulfur oxoacid
The sulfur oxoacids are chemical compounds that contain sulfur, oxygen and hydrogen. The best known and most important ... Sulfur Acids at the US National Library of Medicine Medical Subject Headings (MeSH) Sulfur oxoacids along with other acids ... Sulfur has a number of oxoacids; however, some of these are known only from their salts (these are shown in italics in the ... table below). The acids that have been characterised contain a variety of structural features, for example: tetrahedral sulfur ...
*  Sulfur metabolism
Sulfur oxidizers utilize enzymes such as Sulfide:quinone reductase, sulfur dioxygenase and sulfite oxidase to oxidize sulfur ... and other sulfur compounds. Animals obtain sulfur from cysteine and methionine in the protein that they consume. Sulfur is the ... Sulfur is metabolized by all organisms, from bacteria and archaea to plants and animals. Sulfur is reduced or oxidized by ... Sulfur is the sole energy source for some lithotrophic bacteria and archaea. Reduced sulfur compounds, such as hydrogen sulfide ...
*  Sulfur dioxide
Play media Sulfur dioxide is the product of the burning of sulfur or of burning materials that contain sulfur: S + O2 → SO2, ΔH ... Most sulfur dioxide is produced by the combustion of elemental sulfur. Some sulfur dioxide is also produced by roasting pyrite ... Sulfur dioxide for this purpose is made when sulfur combines with oxygen. The method of converting sulfur dioxide to sulfuric ... Sulfur trioxide Sulfur-iodine cycle National Ambient Air Quality Standards Sulfur dioxide, U.S. National Library of Medicine ...
*  Sulfur difluoride
... is an inorganic compound with the chemical formula SF2. It can be generated by the reaction of sulfur ... "Microwave Spectrum and Structure of Sulfur Difluoride". Science. 164 (3882): 950-1. doi:10.1126/science.164.3882.950. PMID ...
*  Sulfacetamide/sulfur
The drug combination sulfacetamide/sulfur is a topical acne medication manufactured by Medicis under the trade name Plexion and ... It combines sodium sulfacetamide, a sulfonamide antibiotic, and sulfur, a keratolytic agent. It is available in four ... The sulfacetamide inhibits the growth of the bacterium Propionibacterium acnes that is associated with acne, while sulfur ... "PLEXION (R) (sodium sulfacetamide 10% and sulfur 5%)". Medicis Inc. Retrieved 2008-12-02. "PLEXION Prescribing information" ( ...
*  Sulfur cycle
Oxidation in elemental sulfur by sulfur oxidizers produces sulfate. Dissimilative sulfur reduction in which elemental sulfur ... Although the sulfur curve shows shifts between net sulfur oxidation and net sulfur reduction in the geologic past, the ... Sulfur acts as a pollutant and an economic resource at the same time. Human activities have a major effect on the global sulfur ... Sulfur is found in oxidation states ranging from +6 in SO42− to -2 in sulfides. Thus elemental sulfur can either give or ...
*  Sulfur water
... (or sulphur water) is a condition where the running water contains a high amount of hydrogen sulfide gas that ... "Sulfur Springs: To Soak or not to Soak?". Fox. Retrieved 24 February 2015. Hydrogen sulfide in drinking water. ... Various methods exist to treat sulfur in water. These methods include Use of a Carbon Filter (useful for very small amounts of ...
*  Sulfur dye
Members of the sulfur bake dyes class are Sulfur Orange 1, Sulfur Brown 21, and Sulfur Green 12. Sulfur dyes are water- ... Red sulfur dyes are unknown, although a pink or lighter scarlet color is available. The forerunner of sulfur dyes is attributed ... Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. They are cheap, generally have good ... Like many sulfur dyes, details on the chemical reactions are poorly understood. It is accepted that the sulfide reduces the ...