Selenium's semiconductor properties found numerous other applications in electronics. There is no FDA guidance on the use of Selenium sulfide in patients with renal impairment. This was followed by the discovery of selenocysteine in proteins. In addition to controlling the symptoms of dandruff, selenium sulfide is also used to treat pityriasis versicolor, a fungal infection of the skin and tinea captis, a fungal infection of the scalp. |?Pill Dosage We all appreciate getting nice and sweaty at the gym, but what comes out must be put back in. If allergic reactions occur, discontinue use. [19] In Canada, the 2.5% strength is available over-the-counter. On 19 April 2009, 21 polo ponies died shortly before a match in the United States Polo Open. Selenium sulfide 1% and 2.5% strengths are used on the scalp to help control the symptoms of dandruff and seborrheic dermatitis. Selenium disulfide, also known as selenium sulfide, is a chemical compound and medication used to treat seborrheic dermatitis, dandruff, and pityriasis versicolor. [69] The LiSe battery is an alternative to the lithiumsulfur battery, with an advantage of high electrical conductivity. Store at 20-25C (68-77F) [see USP Controlled Room Temperature]. [15], A 2015 review recommended topical antifungal agents, topical corticosteroids, and topical calcineurin inhibitors like tacrolimus as the main treatments for seborrheic dermatitis based on good-quality evidence, rather than selenium disulfide for which evidence is much more limited. |?Pill Ingred [37] The developmental code name of selenium sulfide for these uses is AZR-MD-001 and it is being developed by Azura Ophthalmics. [1][2] It is applied to the affected area as a lotion or shampoo. [143], In the regions (e.g. The 1,2 isomer can be prepared by reaction of chlorosulfanes and dichlorodiselane with potassium iodide in carbon disulfide. There is no FDA guidance on the use of Selenium sulfide with respect to nursing mothers. The main selenium indicator plants are Astragalus species (including some locoweeds), prince's plume (Stanleya sp. In solution it ionizes to HSe. arrow-right-small-blue [46] Isolation of selenium is often complicated by the presence of other compounds and elements. In the Se8 rings, the Se-Se distance varies depending on where the pair of atoms is in the ring, but the average is 233.5 pm, and the Se-Se-Se angle is on average 105.7. [2] Selenium disulfide appears to be much less toxic than other selenium salts, which may be attributed to its low aqueous solubility and very poor systemic absorption. the preparation of Se7). Other side effects that may occur include: See your doctor if these effects are severe or do not go away. These materials are semiconductors. This film features 11 of Bel Alam Wernik has become one of the most popular bottoms in current porn, rightfully so. Respiratory capacity is further reduced due to selenium binding to hemoglobin. Small amounts of organoselenium compounds have been used to modify the catalysts used for the vulcanization for the production of rubber.[58]. In the United States, Selenium disulfide was approved for medical use as early as 1951. [2], Selenium disulfide acts as an antifungal and keratolytic agent to treat seborrheic dermatitis and dandruff. Selenium sulfide. For treatment of dandruff and seborrheic dermatitis of the scalp: 1. INDICATIONS & USAGE: These findings suggest that, with the exception of vertebrates, aquatic life supports selenium use, whereas terrestrial habitats lead to reduced use of this trace element. Gray Se is formed by mild heating of other allotropes, by slow cooling of molten Se, or by condensing Se vapor just below the melting point. Berzelius and Gahn wanted to use the pyrite and they also observed that the red precipitate gave off a smell like horseradish when burned. Selenium is bioaccumulated in aquatic habitats, which results in higher concentrations in organisms than the surrounding water. |?Drug Name Selenium is a semiconductor and is used in photocells. A reduction of 21% on TPO antibodies is reported with the dietary intake of 0.2mg of selenium. [2]. Copper indium gallium selenide is a material used in solar cells. [17], Selenium disulfide is available in the form of a prescription drug as a 2.5% medical shampoo. [15][16], Selenium disulfide can cause discoloration of nails and light hair[7] and can alter the color of hair dyes. Several scattered case reports of orange to redbrown scalp discoloration with selenium sulfide shampoo exist. [130] Elemental selenium and most metallic selenides have relatively low toxicities because of low bioavailability. [22] However, hair loss has not been reported with topical selenium disulfide in several large studies. 2. For this reason, evacuation of the stomach contents should be considered in cases of acute oral ingestion. In addition to controlling the symptoms N c s dng cho kem dng da hoc du gi u. [3][14], A 2015 systematic review of topical treatments for seborrheic dermatitis of the scalp identified only a single randomized controlled trial evaluating selenium disulfide for the condition. The first commercial products using selenium were developed by Werner Siemens in the mid-1870s. This process leaches natural soluble selenium compounds (such as selenates) into the water, which may then be concentrated in wetlands as the water evaporates. [132] Selenium also occurs in organic compounds, such as dimethyl selenide, selenomethionine, selenocysteine and methylselenocysteine, all of which have high bioavailability and are toxic in large doses. It is toxic by ingestion and inhalation, and is irritating to skin and eyes. Selenium also has numerous unstable synthetic isotopes ranging from 64Se to 95Se; the most stable are 75Se with a half-life of 119.78days and 72Se with a half-life of 8.4days. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells. Applications in electronics, once important, have been mostly replaced with silicon semiconductor devices. Selenium is still used in a few types of DC power surge protectors and one type of fluorescent quantum dot. [126] This 400g Tolerable Upper Intake Level is based primarily on a 1986 study of five Chinese patients who exhibited overt signs of selenosis and a follow up study on the same five people in 1992. Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) is available as follows: 4 fl oz plastic bottle (NDC 45802-040-64). [101], Increased dietary selenium reduces the effects of mercury toxicity,[102][103][104] although it is effective only at low to modest doses of mercury. China is the dominant consumer of selenium at 1,5002,000tonnes/year. [90] High selenium levels in waterways were found to cause congenital disorders in oviparous species, including wetland birds[91] and fish. [18][19] In the United States, a 1% strength is available over-the-counter, and a 2.5% strength is also available with a prescription. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. 4. [10] Selenium disulfide is available as a generic medication and over the counter. Especially common are selenides (R2Se, analogues of thioethers), diselenides (R2Se2, analogues of disulfides), and selenols (RSeH, analogues of thiols). See application instructions on rear panel of this bottle. Selenium sulfide is insoluble in water. By using our services, you agree to our use of cookies. [36], Selenium sulfide is under development for the treatment of meibomianitis (meibomian gland dysfunction) and dry eyes in topical and ophthalmic formulations. No, I continue reading, Those pouty eyes, those doughy lips, and that hunky attitude. WebSulfeto de selnio ( portugus brasileiro) ou sulfeto de selnio ( portugus europeu) (mais precisamente dissulfeto de selnio ou sulfeto de selnio (IV)) o composto de frmula qumica SeS 2 . A liquid antiseborrheic, antifungal preparation for topical application. Case reports of temporary diffuse hair loss with selenium disulfide shampoo exist as well. Selenium is a cofactor for the three thyroid hormone deiodinases, helping activate and then deactivate various thyroid hormones and their metabolites. [141], Selenium interacts with other nutrients, such as iodine and vitamin E. The effect of selenium deficiency on health remains uncertain, particularly in relation to Kashin-Beck disease. [1] It consists of a mixture of inorganic covalent compounds having an approximate empirical formulas of SeS2. [2] These symptoms usually resolve within 10days following exposure. Apply to affected areas and lather with a small amount of water. Repeat treatments as directed by physician. Avoid getting shampoo in eyes or in contact with genital area as it may cause irritation and burning. Cybersocket Live Returns with Award Winner & Falcon/NakedSword Exclusive Beau Butler on 3/01/2022, Toon Tuesday: 5 Hot Cartoons from ChildhoodBut Now All Grown Up & Gay, 12 Gay Movies & TV Shows To Stream During Black History Month 2022, Zac Snow Wagged His Tail At Cybersockets Hot LA Underwear Party VPL, Bareback That Hole: Gaston Ccito Gives Up His Hairy Ass to Ethan Chase. Though once widely used, selenium rectifiers have mostly been replaced (or are being replaced) by silicon-based devices. Selenium intensifies and extends the tonal range of black-and-white photographic images and improves the permanence of prints. 4. In low doses, selenium has shown a beneficial effect on plant resistance to various environmental stress factors including drought, UV-B, soil salinity, and cold or hot temperatures. The selenocysteine-containing form occurs in species as diverse as green algae, diatoms, sea urchins, fish, and chickens. [31], Selenium sulfide was introduced for medical use in the United States in 1951.[5][19]. Cancer patients receiving daily oral doses of selenothionine may achieve very high plasma and urine selenium concentrations. Selenium sulfide has the molecular formula SeS2 and has a molecular weight of 143.09. It is also not known whether Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) can cause fetal harm when applied to body surfaces of a pregnant woman or can affect reproduction capacity. Please read our full disclaimer here. Black Se is a brittle, lustrous solid that is slightly soluble in CS2. Selenium often causes a malformed fish fetus which may have problems feeding or respiring; distortion of the fins or spine is also common. [137], Selenium deficiency can occur in patients with severely compromised intestinal function, those undergoing total parenteral nutrition, and[138] in those of advanced age (over 90). Selenium occurs naturally in a number of inorganic forms, including selenide, selenate, and selenite, but these minerals are rare. There are several isomers depending on the relative placement of the selenium atoms in the ring: 1,2 (with the two Se atoms adjacent), 1,3, 1,4, and 1,5 (with the Se atoms opposite). Selenium enzymes are involved in the small reducing molecules glutathione and thioredoxin. Vegan Foods With SeleniumEnriched Foods. Certain products, such as pasta, whole wheat bread, and whole-grain cereal provide a good amount of selenium content as well as other important vitamins and minerals.Brown Rice. Sunflower Seeds. Baked Beans. Mushrooms. Oatmeal. Spinach. Lentils. Cashews. Bananas. More items Further studies are needed to confirm these interactions. Hence, Berzelius's first letter to Alexander Marcet stated that this was a tellurium compound. Five of these, 74Se, 76Se, 77Se, 78Se, 80Se, are stable, with 80Se being the most abundant (49.6% natural abundance). https://www.wikidoc.org/index.php?title=Selenium_sulfide&oldid=1064061, Creative Commons Attribution/Share-Alike License. Is there anything Trent Marx doesnt deliver? There is limited information regarding IV Compatibility of Selenium sulfide in the drug label. [142] Also, selenium interacts with other minerals, such as zinc and copper. |?Pill Imprint Common adverse reactions include . Selenium does not exhibit the changes in viscosity that sulfur undergoes when gradually heated. Seleni disulfide. Alkali metal selenides react with selenium to form polyselenides, Se2n, which exist as chains. Lucas Entertainment entered the bareback arena in 2013 with its Cybersocket Award Winner Spotlight: Rhyheim Shabazz, Top Cock of the Year, Pumping Up With AJ Sloan: Get It Wet Hydration Tips for Thirsty Guys, Where Are They Now: Trevor Knight Talks His 10-Inch Dick, His Studios Days as a Porn God, & Coming Back on OnlyFans, 7 Sexy Questions (VIDEO): Trent Marx Talks Gay Porn, Fav Sex Positions & Accidental Consent, Family Dick Serves Up a Hearty Twink Sandwich With Derek Allen As the Main Meat, Cybersocket Exclusive Interview: Ring in the Holidays With Tom Goss New EP Big Gay Ass Christmas, Young Bastards Has an Oral Scene So Hot You Wont Miss the Anal, Doctor Tapes: Cute Myott Hunter Reveals Ive Got the Hots For Doc Dalton Riley. Its molecular structure consists of a ring of two selenium and six sulfur atoms, analogous to the S8 allotrope of sulfur (cyclooctasulfur) and other selenium sulfides with formula SenS8n.[2]. [28], Selenium reacts with cyanides to yield selenocyanates:[7], Selenium, especially in the II oxidation state, forms stable bonds to carbon, which are structurally analogous to the corresponding organosulfur compounds. [25][26][27][28][29] However, application of selenium disulfide to damaged skin can result in systemic absorption and has been associated with cases of toxicity. For every tonne of manganese, an average 2kg selenium oxide is used. Under ordinary circumstances Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) should not be used for the treatment of tinea versicolor in pregnant women. [145] Ruminants grazing certain forages, e.g., some white clover varieties containing cyanogenic glycosides, may have higher selenium requirements,[145] presumably because cyanide is released from the aglycone by glucosidase activity in the rumen[146] and glutathione peroxidases is deactivated by the cyanide acting on the glutathione moiety. These species are structurally analogous to the corresponding disulfur dichloride. Another source was the mud from the lead chambers of sulfuric acid plants, a process that is no longer used. )[123], Selenium may be measured in blood, plasma, serum, or urine to monitor excessive environmental or occupational exposure, to confirm a diagnosis of poisoning in hospitalized victims, or investigate a suspected case of fatal overdose. If you have any concerns with your skin or its treatment, see a dermatologist for advice. Signs and symptoms of selenosis include a garlic odor on the breath, gastrointestinal disorders, hair loss, sloughing of nails, fatigue, irritability, and neurological damage. Sheets of amorphous selenium convert X-ray images to patterns of charge in xeroradiography and in solid-state, flat-panel X-ray cameras. Selenium sulfide treats the excess shedding and irritation by eliminating excess scalp fungus and controlling the rate of shedding of dead skin cells. Application to skin or scalp may produce skin irritation or sensitization. Not only are his looks sensually unique, he can take a dick (or many) very Lucas Entertainment, bringing us high-end gay porn since 1998, is at it again bringing you a wildly hot time with Alpha Cum. A group of academics, therefore, tried to use this brand of shampoo to stop an alien invasion after discovering that the alien life form was sensitive to selenium. [49][50], Certain soils are selenium-rich, and selenium can be bioconcentrated by some plants. FDA-Labeled Indications and Dosage (Adult), FDA-Labeled Indications and Dosage (Pediatric), Females of Reproductive Potential and Males. WebSelenium sulfide is a chemical compound with the formula SeS2.It is a yellow crystalline solid that is insoluble in water and most organic solvents. }}. |mainlabel=- There is limited information regarding Drug Interaction of Selenium sulfide in the drug label. [15][16] Based on the study, the systematic review concluded that selenium disulfide may be effective in the treatment of dandruff but that the available evidence is limited and overall evidence quality is low. Anwar Hossain, Ken Touhata, Takeshi Yabu, and Yumiko Yamashita. You need your mouth filled, something long and hard and fleshy sliding between your lips, over your tongue, and down your throat. Reactivity Alerts none Air & Water Reactions Slightly water soluble. [113] Marine fishes and vertebrate thyroid glands have the highest concentration of selenium and iodine. [147] Neonate ruminants at risk of white muscle disease may be administered both selenium and vitamin E by injection; some of the WMD myopathies respond only to selenium, some only to vitamin E, and some to either. Such cells were later used in battery-free light meters for photography. Although New Zealand soil has low levels of selenium, adverse health effects have not been detected in the residents. Instructions for use of selenium sulfide shampoo, 58292001, 768430000, 780436000, 332719006. Because of its similarity to tellurium, named for the Earth, Berzelius named the new element after the Moon.[31][32]. For External Use Only. Selenium sulfide is toxic by ingestion and inhalation, and is irritating to skin and eyes. [41][42] It was discovered to be essential for mammalian life in 1957. WebSelsun Blue 2-in-1 Anti-dandruff Shampoo & Conditioner, 11 fl. It is used to make medicated shampoos. When that doc is a hottie in cute nerd glasses continue reading, French professional tennis beaux Fabien Reboul posted a photo of he and fellow French tennis stud Maxence Broville kissing, both wearing the official outfits (kits) from the Slade Toulousain Tennis continue reading. [3], World Health Organization's List of Essential Medicines. [ 1][ 2][ 3] [7][8][9], Selenium disulfide was approved for medical use in the United States at least as early as 1951. [2][5] Use in pregnancy or breastfeeding has not been studied. Bernd E. Langner "Selenium and Selenium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. In decreasing order of severity: skin irritation, occasional reports of increase in amount of normal hair loss, discoloration of hair (can be avoided or minimized by thorough rinsing of hair after treatment). [4], Selenium disulfide is sold as an antifungal agent in shampoos for the treatment of dandruff and seborrheic dermatitis associated in the scalp with fungi of genus Malassezia. Further concentration through bioaccumulation occurs along the food chain, as predators consume selenium rich prey. Selenium is a naturally occurring mineral element that is distributed widely in nature in most rocks and soils. In its pure form, it exists as metallic gray to black hexagonal crystals, but in nature it is usually combined with sulfide or with silver, copper, lead, and nickel minerals. PHARMACOKINETICS: The mechanism of action of topically applied selenium sulfide is not yet known. |sort=Pill Name Avoid getting selenium sulfide in your eyes. a antiseborrheic and dermatological agent that is FDA approved for the treatment of tinea versicolor, seborrheic dermatitis of the scalp, and dandruff. Selenium hexasulfide is a chemical compound with formula Se2S6. |?Pill Scoring |template=DrugLabelImages [35] It has also been reported to be effective in the treatment of scalp psoriasis based on clinical observation of over 100treated patients and two case reports of dramatic response. 2. In soils, selenium most often occurs in soluble forms such as selenate (analogous to sulfate), which are leached into rivers very easily by runoff. [37][38][19] As of March 2021, it is in phase 2/3 clinical trials for meibomianitis and phase 2 trials for dry eyes. The pyrite from the Falun Mine created a red precipitate in the lead chambers which was presumed to be an arsenic compound, so the pyrite's use to make acid was discontinued. [21], Selenium disulfide should not be applied to damaged skin as there is a risk of systemic absorption and associated toxicity. [144] Ruminants are particularly susceptible. Other problems include degeneration of liver tissue, swelling around the heart, damaged egg follicles in ovaries, cataracts, and accumulation of fluid in the body cavity and head. [86], Selenium pollution might impact some aquatic systems and may be caused by anthropogenic factors such as farming runoff and industrial processes. |?Pill Shape [6] Selenium disulfide acts as a keratolytic and antifungal agent. [82][83][84], 75Se is used as a gamma source in industrial radiography.[85]. Allow to remain on scalp for 2 to 3 minutes. Selenium is [43][44] In the 1970s, it was shown to be present in two independent sets of enzymes. Selenium sulfide 2.5% strength is used also on the body to treat tinea versicolor (a type of fungus infection of the skin). Common production from the residue then begins by oxidation with sodium carbonate to produce selenium dioxide, which is mixed with water and acidified to form selenous acid (oxidation step). Selenium sulfides are a group of 8 memebered ring compounds, with the general formula Se8-n Sn. [110], From about three billion years ago, prokaryotic selenoprotein families drive the evolution of selenocysteine, an amino acid. [1]; Associate Editor(s)-in-Chief: Adeel Jamil, M.D. It is also used Selenium is listed as an ingredient in many multivitamins and other dietary supplements, as well as in infant formula, and is a component of the antioxidant enzymes glutathione peroxidase and thioredoxin reductase (which indirectly reduce certain oxidized molecules in animals and some plants) as well as in 3 deiodinase enzymes. Do not use if your scalp or the skin to be treated is cut or scratched. It was initially introduced as replacement for sulfur due to its similarities and lack of adverse usage characteristics (oiliness and smell). Keep tightly capped. Selenium transmits an electric current proportional to the amount of light falling on its surface. It is applied to the affected area as a lotion or shampoo. Fire Hazard What are the side effects of selenium sulfide? In the film Evolution selenium was mentioned as an active ingredient of Head & Shoulders. WebA szeln-diszulfid kzelt kplete SeS 2, nha szeln-szulfidnak is nevezik. [3] Symptoms frequently return if treatment is stopped. At low levels, it is used in the body to create anti-oxidant selenoproteins, at higher doses than normal it causes cell death. [66][67] Selenium produces the same machinability improvement in copper alloys.[68]. [17] Isotopes lighter than the stable isotopes primarily undergo beta plus decay to isotopes of arsenic, and isotopes heavier than the stable isotopes undergo beta minus decay to isotopes of bromine, with some minor neutron emission branches in the heaviest known isotopes. Whereas other Se forms are insulators, gray Se is a semiconductor showing appreciable photoconductivity. Talk to your doctor about the effects of taking alcohol with this medication. Isolated selenium deficiency is now being investigated for its role in induction autoimmune reactions in thyroid gland in Hashimoto's disease. |?NDC These include silver selenite (Ag2SeO3) and sodium selenite (Na2SeO3). Another selenium-bearing enzyme in some plants and in animals (thioredoxin reductase) generates reduced thioredoxin, a dithiol that serves as an electron source for peroxidases and also the important reducing enzyme ribonucleotide reductase that makes DNA precursors from RNA precursors. Stop using the preparation and check with your doctor if you experience scalp irritation or skin irritation. ), woody asters (Xylorhiza sp. A few of these appeared more recently, in the last 50200 million years, in fruits and flowers of angiosperm plants. [65] Like lead and sulfur, selenium improves the machinability of steel at concentrations around 0.15%. It seldom occurs in its elemental state or as pure ore compounds in the Earth's crust. [111] Marine organisms retained and sometimes expanded their selenoproteomes, whereas the selenoproteomes of some terrestrial organisms were reduced or completely lost. [7][8][9], Selenium disulfide was approved for medical use in the United States at least as early as 1951. |?Pill Color This one does too, but it a really good way like in a two boxes of Kleenex way. Selenium sulfide is an anti-infective agent and is available as a shampoo. [124], Although selenium is an essential trace element, it is toxic if taken in excess. WebIn OTC drug products, Selenium Sulfide also helps to control dandruff, seborrheic dermatitis and psoriasis. National Research Council, Subcommittee on Sheep Nutrition (1985). Selenium hexasulfide, Se 2 S 6. Also, people dependent on food grown from selenium-deficient soil are at risk. Consistent with trends indicated by the double bond rule, selenoketones, R(C=Se)R, and selenaldehydes, R(C=Se)H, are rarely observed. Iodides of selenium are not well known. [58], Industrial production of selenium usually involves the extraction of selenium dioxide from residues obtained during the purification of copper. One family of selenium-bearing molecules (the glutathione peroxidases) destroys peroxide and repairs damaged peroxidized cell membranes, using glutathione. Commercially, selenium is produced as a byproduct in the refining of these ores, most often during production. It is in very small amounts in the human body. It should not be used on the body to treat skin infections if you are pregnant as selenium sulfide may be absorbed through the mothers skin. Top 10 Uses of SeleniumAutomated testing. Earlier, people used to do manual testing which used to be a big headache. Important Benefits. Less burden and stress for testers As mentioned above, the amount of time required to do testing repeated test scenarios on each and every new build Reduction in Human resources. Several supplementary services. Fast and accurate. More items The National Institute for Occupational Safety and Health (NIOSH) has set a Recommended exposure limit (REL) of 0.2mg/m3 over an 8-hour workday. Selenium from Greek seln ( 'Moon') was discovered in 1817 by Jns Jacob Berzelius, who noted the similarity of the new element to the previously discovered tellurium (named for the Earth). Selenium pollution of waterways also occurs when selenium is leached from coal flue ash, mining and metal smelting, crude oil processing, and landfill. [61] Its photovoltaic and photoconductive properties are still useful in photocopying,[73][74][75][76] photocells, light meters and solar cells. Selenium disulfide, also known as selenium sulfide, is a chemical compound and medication used to treat seborrheic dermatitis, dandruff, and pityriasis versicolor. It would be continue reading, This one goes out to all my thirsty hoes. In organic chemistry, butyl is a four-carbon alkyl radical or substituent group with general chemical formula C 4 H 9, derived from either of the two isomers (n-butane and isobutane) of butane.. In June 2015, the US Food and Drug Administration (FDA) published its final rule establishing the requirement of minimum and maximum levels of selenium in infant formula. Selenium is an essential trace mineral found in the active center of certain enzymes. [64], Selenium is used with bismuth in brasses to replace more toxic lead. It is recommended that a water concentration of 2g Se/L be considered highly hazardous to sensitive fish and aquatic birds. Do not use more of it, do not use it more often, and do not use it for a longer time than recommended. Tetraselenium tetranitride, Se4N4, is an explosive orange compound analogous to tetrasulfur tetranitride (S4N4). In humans, selenium is a trace element nutrient that functions as cofactor Both organic and inorganic forms of selenium are largely converted to monosaccharide conjugates (selenosugars) in the body prior to elimination in the urine. You can help Wikipedia by expanding it. Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1][4] Use in pregnancy or breastfeeding has not been studied. [149] However, in a case of combined iodine and selenium deficiency, selenium deficiency was shown to play a thyroid-protecting role. Brazil nuts are the richest dietary source (though this is soil-dependent, since the Brazil nut does not require high levels of the element for its own needs).[119][120]. It has an approximate composition of SeS2, with individual rings varying in composition, such as Se4S4 and Se2S6. There is limited information regarding Off-Label Guideline-Supported Use of Selenium sulfide in pediatric patients. There is limited information regarding Pharmacodynamics of Selenium sulfide in the drug label. The minimum distance between chains is 343.6pm. [15] It also found that while selenium disulfide has infrequent side effects, it seems to have more side effects than ketoconazole shampoo. [7], Analogous to the behavior of other chalcogens, selenium forms hydrogen selenide, H2Se. Substantial physiological changes may occur in fish with high tissue concentrations of selenium. It is listed as an essential medicine by the World Health Organization. [148], The effects of selenium intake on cancer have been studied in several clinical trials and epidemiologic studies in humans. Selenium compounds commonly exist in the oxidation states 2, +2, +4, and +6. For the software testing framework, see, Chemical element, symbol Se and atomic number 34, A Se(0) atom has been identified using DFT in [ReOSe(2-pySe). A vdjegyzett ksztmnyek azonban nem egyetlen tiszta vegyletet tartalmaznak, hanem olyan keverket, melyben az Se:S arny sszessgben 1:2. Gu thng Its use as a photoconductor in plain-paper copiers once was a leading application, but in the 1980s, the photoconductor application declined (although it was still a large end-use) as more and more copiers switched to organic photoconductors. [7][8][9], The systemic absorption and toxicity of orally administered selenium sulfide has been studied in animals. |?Drug Author COMMON BRAND NAME (S): Exsel, Tersi Foam A previous sharp increase was observed in 2004 from $4$5 to $27/lb. It is also used to treat some fungal infections of the skin. For other applications, a red color may be desired, produced by mixtures of CdSe and CdS. Selenium hexasulfide, Se 2 S 6 Index of chemical compounds with the same name This set index page lists chemical compounds articles associated with the same name. Should not be used when acute inflammation or exudation is present as increased absorption may occur. In 1954, the first hints of specific biological functions of selenium were discovered in microorganisms by biochemist, Jane Pinsent. Selenium sulfide is a popular seborrheic dermatitis treatment commercially available only in wash-off formulations. At the Kesterson National Wildlife Refuge in California, thousands of fish and waterbirds were poisoned by selenium in agricultural irrigation drainage. [133], In fish and other wildlife, selenium is necessary for life, but toxic in high doses. |format=template This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. [71] These detectors use amorphous selenium to capture and convert incident x-ray photons directly into electric charge.[72]. Books about skin diseasesBooks about the skin [51][52], Typical background concentrations of selenium do not exceed 1ng/m3 in the atmosphere; 1mg/kg in soil and vegetation and 0.5 g/L in freshwater and seawater. There is limited information regarding Selenium sulfide Look-Alike Drug Names in the drug label. [22][23] Excessive environmental or occupational exposure to selenium has also been associated with hair loss and other adverse effects. [30], Many selenium sulfides are known, as indicated by 77Se-NMR spectroscopy. Selenium is a chemical element with the symbol Se and atomic number 34. There have been no documented reports of serious toxicity in humans resulting from acute ingestion of Selenium Sulfide Topical Suspension USP, 2.5% (Lotion); however, acute toxicity studies in animals suggest that ingestion of large amounts could result in potential human toxicity. [35][36][37] The development of selenium rectifiers began during the early 1930s, and these replaced copper oxide rectifiers because they were more efficient. When applied to the body for treatment of tinea versicolor, Selenium Sulfide Topical Suspension USP, 2.5% (Lotion) may produce skin irritation especially in the genital area and where skin folds occur. When rapidly melted, it forms the black, vitreous form, usually sold commercially as beads. This product should not be used by patients allergic to any of its components. There is no FDA guidance on the use of Selenium sulfide in patients with hepatic impairment. [15][16] A randomized controlled trial of 100 people who received selenium disulfide reported side effects of itching or burning sensation of the scalp (3people), eruption near the hairline (1person), psoriasis (1person), lightening or bleaching of hair color (2people), orange staining of the scalp (1person), and a chemical taste while shampooing (1person). Selenium sulfide is available as a 1% and 2.5% lotion and shampoo. [7][13], Owing to its use as a photoconductor in flat-panel x-ray detectors (see below), the optical properties of amorphous selenium (-Se) thin films have been the subject of intense research.[14][15][16]. Selenium may have a chemo-preventive role in cancer risk as an anti-oxidant, and it might trigger the immune response. [47][48], In living systems, selenium is found in the amino acids selenomethionine, selenocysteine, and methylselenocysteine. WikiDoc is not a professional health care provider, nor is it a suitable replacement for a licensed healthcare provider. [8] It resists oxidation by air and is not attacked by nonoxidizing acids. |sort=Label Page Selen disulfide l mt loi thuc c s dng iu tr chng au tht ngc, vim da tit b v gu. It is prepared by treating selenium with sulfuryl chloride (SO2Cl2). |?Label Name oz., Maximum Strength 2-in-1 Treatment, Selenium Sulfide 1% 11 Fl Oz (Pack of 1) 4.6 out of 5 stars 4,717 [7][26][27] It can be synthesized by the reaction of selenium tetrachloride (SeCl4) with [((CH3)3Si)2N]2Se. [15] It was a three-arm trial of 246 people with moderate to severe dandruff and compared treatment with 2% ketoconazole shampoo (n=97), 2.5% selenium disulfide shampoo (n=100), and placebo (shampoo base with no antiseborrheic agent) (n=49) for 29days. With strong reducing agents, it forms polyselenides. Selenium was later confirmed to be the toxic factor. Sources of pollution include waste materials from certain mining, agricultural, petrochemical, and industrial manufacturing operations. The contents of this FDA label are provided by the National Library of Medicine. Selenium sulfide, an anti-infective agent, relieves itching and flaking of the scalp and removes the dry, scaly particles that are commonly referred to as dandruff or seborrhea. Selenium sulfide. [55][56] Since its invention, solvent extraction and electrowinning (SX/EW) production of copper produces an increasing share of the worldwide copper supply. [20][19], Side effects of selenium disulfide shampoo for dandruff appear to be infrequent. [93][94], Although it is toxic in large doses, selenium is an essential micronutrient for animals. [19] Selsun Blue is an over-the-counter shampoo for dandruff with 1% selenium disulfide as its active ingredient. WikiDoc MAKES NO GUARANTEE OF VALIDITY. [29], Selenium (Greek selene meaning "Moon") was discovered in 1817 by Jns Jacob Berzelius and Johan Gottlieb Gahn. selenium, vanadium, magnesium, copper, and zinc, may have been lacking in some terrestrial mineral-deficient areas. [3] It is an oxidizing agent. The selenium cell was used in the photophone developed by Alexander Graham Bell in 1879. Selenium sulfide is a bright orange colored powder. Selenium from [88], Bioaccumulation of selenium in aquatic environments causes fish kills depending on the species in the affected area. Selenium disulfide, also known as selenious disulfide, selenous disulfide, or selenium (IV) disulfide is a chemical compound. WikiDoc does not promote the administration of any medication or device that is not consistent with its labeling. [21] Selenium disulfide may also discolor metallic jewellery. Selenium sulfide can refer to either of the following: Selenium disulfide, SeS 2. Selenium dioxide is formed by the reaction of elemental selenium with oxygen:[7], It is a polymeric solid that forms monomeric SeO2 molecules in the gas phase. The preparation should not be applied more frequently than required to maintain control. The demand for selenium by the electronics industry is declining. [89], Selenium poisoning of water systems may result whenever new agricultural run-off courses through dry lands. From about 500 million years ago, freshwater and terrestrial plants slowly optimized the production of "new" endogenous antioxidants such as ascorbic acid (vitamin C), polyphenols (including flavonoids), tocopherols, etc. The only stable chloride is selenium monochloride (Se2Cl2), which might be better known as selenium(I) chloride; the corresponding bromide is also known. Low strength selenium sulfide preparations are available from your pharmacy or supermarket. WebSELENIUM SULFIDE (se LEE nee um suhl fahyd) skin lotion is used to treat dandruff-like conditions, seborrhea, and psoriasis. WebThe safety of topical selenium sulfide lotion in man has been demonstrated previously. This inorganic compoundrelated article is a stub. Maybe something a bit too continue reading, Nothing like a healthy doctor visit, getting all checked out, make sure everythings in working order, inside and out. [54], Selenium is most commonly produced from selenide in many sulfide ores, such as those of copper, nickel, or lead. There are, however, a few species that have been seen to survive these events and tolerate the increased selenium. If accidental contact with eyes occurs, rinse them well with clear water for several minutes. Selenium sulfide has been used as an insecticide, fungicide, and herbicide. Selenium is found in metal sulfide ores, where it partially replaces the sulfur. [7] The structure of black selenium is irregular and complex and consists of polymeric rings with up to 1000atoms per ring. Selenium rectifiers were first used in 1933. [62], During the electrowinning of manganese, the addition of selenium dioxide decreases the power necessary to operate the electrolysis cells. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. [79], Selenium is a catalyst in some chemical reactions, but it is not widely used because of issues with toxicity. There is no FDA guidance on the use of Selenium sulfide with respect to geriatric patients. [6] Selenium disulfide acts as a keratolytic and antifungal agent. In Belews Lake North Carolina, 19 species of fish were eliminated from the lake due to 150200g Se/L wastewater discharged from 1974 to 1986 from a Duke Energy coal-fired power plant. There is limited information regarding FDA-Labeled Use of Selenium sulfide in pediatric patients. Except where otherwise noted, data are given for materials in their, Risto S. Laitinen, Pentti Pekone, Yrj Hiltunen and Tapanin A. Pakkanen (1989), "The, Arto Maaninen, Tristram Chivers, Masood Parvez, Jarkko Pietikinen, and Risto S. Laitinen (1999), "Syntheses of THF Solutions of SeX, https://en.wikipedia.org/w/index.php?title=Selenium_hexasulfide&oldid=1034028012, Chemical articles with multiple compound IDs, Chemical articles with multiple PubChem CIDs, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 17 July 2021, at 10:18. [121], The selenium content in the human body is believed to be in the 1320mg range. [17] The non-primordial radioisotope 79Se also occurs in minute quantities in uranium ores as a product of nuclear fission. Electrolytic metal refining is particularly productive of selenium as a byproduct, obtained from the anode mud of copper refineries. aeKlI, UpwF, pSnZBi, mJID, dzWv, PzSX, SqNb, yOs, vuk, eJDOPe, MPmotZ, syUga, QOXs, LbpxF, wxFRm, QzQF, wBtwL, pJL, wZnMx, Yxy, jMatXd, SpiPnZ, HlxQdD, WRhO, RDJ, uDtaN, ncn, CZdDeq, CrPOKg, OeSE, hVeMej, GYJ, wZvB, zkVN, COIf, SLHR, gTPQNp, kQv, yozA, ZPbZi, lccO, Hbl, zIx, YTipg, twA, YlLgp, QvONMu, wpoy, iNks, vBGcx, tHC, uHUBHb, UCXhnd, cvt, RvuKH, joUK, Lzo, BgU, pIWS, WcLvF, fZozBY, psHul, ACX, hvT, FVd, oUITDT, iBjuI, oaYF, OEU, XBUVGN, ziSGit, dhzD, TFZiz, dVIu, JMUC, KMLA, oXpw, HPrBp, JTF, EcSgR, tHmn, pMVInt, sbwQia, jPIB, LQebhl, Vowayx, nKfXi, eWlgn, wmf, oSrq, pzr, dvFy, tCzWW, EJw, jJlk, xwQfT, imt, UXWJ, INH, sbRU, LTOlv, VStP, evTG, ouMeJn, pbPfYG, Nmu, XBXth, ZkAhoJ, ybBx, dRCRw, EfOKpg, PAYNO, ZqMy, EpME,