Sulfides
Allyl Compounds
Transition Elements
Sulfur Compounds
Garlic
Hydrothermal Vents
Sulfoxides
Iron Compounds
Meteoroids
Sulfinic Acids
Geologic Sediments
Oxidation-Reduction
Sulfur
Iron
Stereoisomerism
Bacteria
Allyl-containing sulfides in garlic increase uncoupling protein content in brown adipose tissue, and noradrenaline and adrenaline secretion in rats. (1/1610)
The effects of garlic supplementation on triglyceride metabolism were investigated by measurements of the degree of thermogenesis in interscapular brown adipose tissue (IBAT), and noradrenaline and adrenaline secretion in rats fed two types of dietary fat. In Experiment 1, rats were given isoenergetic high-fat diets containing either shortening or lard with or without garlic powder supplementation (8 g/kg of diet). After 28 d feeding, body weight, plasma triglyceride levels and the weights of perirenal adipose tissue and epididymal fat pad were significantly lower in rats fed diets supplemented with garlic powder than in those fed diets without garlic powder. The content of mitochondrial protein and uncoupling protein (UCP) in IBAT, and urinary noradrenaline and adrenaline excretion were significantly greater in rats fed a lard diet with garlic powder than in those fed the same diet without garlic. Other than adrenaline secretion, differences due to garlic were significant in rats fed shortening, also. In Experiment 2, the effects of various allyl-containing sulfides present in garlic on noradrenaline and adrenaline secretion were evaluated. Administration of diallyldisulfide, diallyltrisulfide and alliin, organosulfur compounds present in garlic, significantly increased plasma noradrenaline and adrenaline concentrations, whereas the administration of disulfides without allyl residues, diallylmonosulfide and S-allyl-L-cysteine did not increase adrenaline secretion. These results suggest that in rats, allyl-containing sulfides in garlic enhance thermogenesis by increasing UCP content in IBAT, and noradrenaline and adrenaline secretion. (+info)Nitrate removal in closed-system aquaculture by columnar denitrification. (2/1610)
The columnar denitrification method of nitrate-nitrogen removal from high-density, closed system, salmonid aquaculture was investigated and found to be feasible. However, adequate chemical monitoring was found to be necessary for the optimization and quality control of this method. When methanol-carbon was not balanced with inlet nitrate-nitrogen, the column effluent became unsatisfactory for closed-system fish culture due to the presence of excess amounts of nitrite, ammonia, sulfide, and dissolved organic carbon. Sulfide production was also influenced by column maturity and residence time. Methane-carbon was found to be unsatisfactory as an exogenous carbon source. Endogenous carbon could not support high removal efficiencies. Freshwater columns adpated readily to an artificial seawater with a salinity of 18% without observable inhibition. Scanning electron microscopy revealed that the bacterial flora was mainly rod forms with the Peritricha (protozoa) dominating as the primary consumers. Denitrifying bacteria isolated from freshwater columns were tentatively identified as species of Pseudomonas and Alcaligenes. A pilot plant column was found to behave in a manner similar to the laboratory columns except that nitrite production was never observed. (+info)Dense populations of a giant sulfur bacterium in Namibian shelf sediments. (3/1610)
A previously unknown giant sulfur bacterium is abundant in sediments underlying the oxygen minimum zone of the Benguela Current upwelling system. The bacterium has a spherical cell that exceeds by up to 100-fold the biovolume of the largest known prokaryotes. On the basis of 16S ribosomal DNA sequence data, these bacteria are closely related to the marine filamentous sulfur bacteria Thioploca, abundant in the upwelling area off Chile and Peru. Similar to Thioploca, the giant bacteria oxidize sulfide with nitrate that is accumulated to +info)Tetradecylthioacetic acid (a 3-thia fatty acid) impairs secretion of oleic acid-induced triacylglycerol-rich lipoproteins in CaCo-2 cells. (4/1610)
The fatty acid analogue tetradecylthioacetic acid (TTA) has previously been shown to decrease triacylglycerol secretion in CaCo-2 cells (Gedde-Dahl et al., J. Lipid Res. 36 (1995) 535-543). The present study was designed to further elucidate the effect of TTA on lipoprotein production in CaCo-2 cells. TTA did not affect oleic acid-induced triacylglycerol synthesis, but it significantly decreased secretion of newly synthesized triacylglycerol when compared to cells incubated with oleic acid alone or oleic acid in combination with palmitic acid. In contrast, pulse-chase experiments showed no difference in the amount of labeled triacylglycerol secreted from cells exposed to either fatty acid combination during the chase period, indicating that TTA did not affect the secretory process in general. Cells incubated with TTA alone secreted triacylglycerol present at 1.025Thiolated recombinant human tumor necrosis factor-alpha protects against Plasmodium berghei K173-induced experimental cerebral malaria in mice. (5/1610)
The introduction of reactive thiol groups in recombinant human tumor necrosis factor (TNF) alpha (rhTNF-alpha) by the reagent succinimidyl-S-acetylthioacetate resulted in the formation of a chemically stabilized rhTNF-alpha trimer (rhTNFalpha-AT; as determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis). rhTNFalpha-AT showed a substantially enhanced protective efficacy against the development of experimental murine cerebral malaria (ECM) after intravenous injection compared to the protective efficacy of nonmodified rhTNF-alpha. Administration of thiolated rhTNF-alpha with protected thiol groups (rhTNFalpha-ATA; no stabilized trimers in vitro) exhibited the same protective efficacy against ECM, while in vitro bioactivity was reduced. Parasitemia was significantly suppressed in rhTNF-treated mice that were protected against ECM but not in treated mice that developed ECM. Protection against ECM was not related to increased concentrations in plasma of soluble TNF receptor 1 and 2 directly after injection or at the moment of development of ECM in nontreated mice. The results indicate that thiolation of rhTNF-alpha leads to the formation of stable trimers with increased potential in vivo. (+info)A fission yeast gene for mitochondrial sulfide oxidation. (6/1610)
A cadmium-hypersensitive mutant of the fission yeast Schizosaccharomyces pombe was found to accumulate abnormally high levels of sulfide. The gene required for normal regulation of sulfide levels, hmt2(+), was cloned by complementation of the cadmium-hypersensitive phenotype of the mutant. Cell fractionation and immunocytochemistry indicated that HMT2 protein is localized to mitochondria. Sequence analysis revealed homology between HMT2 and sulfide dehydrogenases from photosynthetic bacteria. HMT2 protein, produced in and purified from Escherichia coli, was soluble, bound FAD, and catalyzed the reduction of quinone (coenzyme Q2) by sulfide. HMT2 activity was also detected in isolated fission yeast mitochondria. We propose that HMT2 functions as a sulfide:quinone oxidoreductase. Homologous enzymes may be widespread in higher organisms, as sulfide-oxidizing activities have been described previously in animal mitochondria, and genes of unknown function, but with similarity to hmt2(+), are present in the genomes of flies, worms, rats, mice, and humans. (+info)Health aspects of the curing of synthetic rubbers. (7/1610)
A commonly used tread rubber formulation was cured in the laboratory under conditions simulating vulcanization in the Bag-O-Matic press. Volatile emissions were collected on charcoal and analyzed by combined GC-mass spectrometry. The compounds identified were either contaminants present in the raw material or reaction products. Some of these compounds were also identified in charcoal tube samples collected in the atmosphere of the industrial operations. Estimates based on the loss of weight of rubber during curing were used to predict airborne concentrations and compared to the concentrations actually found. The literature of the toxicity of raw materials and effluents was reviewed, and no acute or chronic toxicological effects would be anticipated. Information concerning potential carcinogenicity was not available and could not be evaluated. (+info)Novel derivatives of phenethyl-5-bromopyridylthiourea and dihydroalkoxybenzyloxopyrimidine are dual-function spermicides with potent anti-human immunodeficiency virus activity. (8/1610)
Sexually active women represent the fastest growing HIV/AIDS (human immunodeficiency virus/acquired immunodeficiency syndrome) risk group. In an effort to develop a vaginal microbicidal contraceptive potentially capable of preventing HIV transmission as well as providing fertility control, we have synthesized novel non-nucleoside inhibitors (NNIs) of HIV-1 reverse transcriptase (RT) and examined them for dual-function anti-HIV and spermicidal activity. Structure-based drug design by use of a computer docking procedure for the NNI binding pocket generated from nine RT-NNI crystal structures led to the synthesis of three novel NNIs: N-[2-(2, 5-dimethoxyphenethyl)]-N'-[2-(5-bromopyridyl)]-thiourea (D-PBT); N-[2-(2-fluorophenethyl)]-N'-[2-(5-bromopyridyl)]-thiourea (F-PBT); and 5-isopropyl-2-[(methylthiomethyl)thio]-6-(benzyl)-pyrimidin-4-(1H)-on e (S-DABO). The anti-HIV activity of these NNIs was compared with that of trovirdine and virucidal/spermicide, nonoxynol-9 (N-9), by measuring viral RT activity and p24 antigen production as markers of viral replication using HTLVIIIB-infected human peripheral blood mononuclear cells (PBMCs). The effects on sperm motion kinematics and sperm membrane integrity were examined by computer-assisted sperm analysis and by confocal laser scanning microscopy (CLSM), respectively. The growth-inhibitory effects of NNI versus N-9 against normal human ectocervical and endocervical epithelial cells were tested using the MTT (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide) assay. All three NNIs were potent inhibitors of purified recombinant HIV RT and abrogated HIV replication in PBMCs at nanomolar concentrations (IC50 < 1 nM) when compared with N-9 or trovirdine (IC50 values of 2.2 microM and 0.007 microM, respectively). Two NNIs, F-PBT and S-DABO, also exhibited concentration- and time-dependent spermicidal activity. The drug concentration required to inhibit sperm motility by 50% (EC50 values) for the lead compound F-PBT versus N-9 was 147 microM and 81 microM, respectively. Sperm-immobilizing activity induced by F-PBT and S-DABO was rapid (t1/2 = 7-13 min) and irreversible. Unlike that of N-9, spermicidal activity of F-PBT and S-DABO was not accompanied by loss of acrosomal membrane as detected by fluorescent-lectin binding assay and CLSM. Whereas N-9 was cytotoxic to normal human ectocervical and endocervical cells at spermicidal doses, both F-PBT and S-DABO were selectively spermicidal. We conclude that as potent anti-HIV agents with spermicidal activity and reduced cytotoxicity, F-PBT and S-DABO show unique clinical potential to become the active ingredients of a vaginal contraceptive for women who are at high risk for acquiring HIV by heterosexual vaginal transmission. (+info)In the context of medicine and toxicology, sulfides refer to inorganic or organic compounds containing the sulfide ion (S2-). Sulfides can be found in various forms such as hydrogen sulfide (H2S), metal sulfides, and organic sulfides (also known as thioethers).
Hydrogen sulfide is a toxic gas with a characteristic rotten egg smell. It can cause various adverse health effects, including respiratory irritation, headaches, nausea, and, at high concentrations, loss of consciousness or even death. Metal sulfides, such as those found in some minerals, can also be toxic and may release hazardous sulfur dioxide (SO2) when heated or reacted with acidic substances.
Organic sulfides, on the other hand, are a class of organic compounds containing a sulfur atom bonded to two carbon atoms. They can occur naturally in some plants and animals or be synthesized in laboratories. Some organic sulfides have medicinal uses, while others may pose health risks depending on their concentration and route of exposure.
It is important to note that the term "sulfide" has different meanings in various scientific contexts, so it is essential to consider the specific context when interpreting this term.
Allyl compounds are organic compounds that contain the allyl group, which is a functional group with the formula CH2=CH-CH2-. The allyl group consists of a methylene bridge (CH2-) flanked by a carbon-carbon double bond (-CH=). Allyl compounds can be derived from allyl alcohol, allyl chloride, or other allyl halides and can participate in various chemical reactions due to the reactivity of the double bond. They are used in organic synthesis, pharmaceuticals, and agrochemicals.
Transition elements, in the context of medical definitions, refer to a group of metallic elements that are characterized by their incomplete d series of orbitals. These elements include scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn). Some definitions also include the lanthanide and actinide series.
These elements are essential to life, with iron being a key component of hemoglobin, and other transition metals playing crucial roles in various enzymatic reactions and as cofactors for many proteins. Transition elements are also widely used in medical devices, such as stainless steel implants, and in pharmaceuticals, such as platinum-based chemotherapeutic agents.
Sulfur compounds refer to chemical substances that contain sulfur atoms. Sulfur can form bonds with many other elements, including carbon, hydrogen, oxygen, and nitrogen, among others. As a result, there is a wide variety of sulfur compounds with different structures and properties. Some common examples of sulfur compounds include hydrogen sulfide (H2S), sulfur dioxide (SO2), and sulfonic acids (R-SO3H).
In the medical field, sulfur compounds have various applications. For instance, some are used as drugs or drug precursors, while others are used in the production of medical devices or as disinfectants. Sulfur-containing amino acids, such as methionine and cysteine, are essential components of proteins and play crucial roles in many biological processes.
However, some sulfur compounds can also be harmful to human health. For example, exposure to high levels of hydrogen sulfide or sulfur dioxide can cause respiratory problems, while certain organosulfur compounds found in crude oil and coal tar have been linked to an increased risk of cancer. Therefore, it is essential to handle and dispose of sulfur compounds properly to minimize potential health hazards.
Garlic (Allium sativum) is not a medical term, but rather a species of plant that belongs to the onion family. It is a widely used culinary ingredient and traditional medicine. The medicinal properties are believed to come from the sulfur-containing compounds, such as allicin, which are formed when garlic is crushed or chopped.
While garlic is not a medical treatment itself, it has been studied for its potential health benefits in various areas, including cardiovascular disease, cancer prevention, and immune function support. However, more research is needed to confirm these effects and establish recommended dosages. It's important to consult with healthcare professionals before starting any new supplement regimen, including garlic.
I'm sorry for any confusion, but the term "hydrothermal vents" is not typically used in medical definitions. Hydrothermal vents are a geological phenomenon found on the ocean floor, where heated water rich in minerals from the Earth's crust escapes into the ocean. They are of interest in various scientific fields, including geology, marine biology, and astrobiology, but they do not have a direct relevance to medical definitions.
Sulfoxides are organic compounds characterized by the functional group consisting of a sulfur atom bonded to two oxygen atoms and a carbon atom. The general structure is R-S(=O)O-R', where R and R' represent alkyl or aryl groups. They are often formed by the oxidation of sulfides, which contain a sulfur atom bonded to two carbon atoms. Sulfoxides have a trigonal pyramidal geometry at the sulfur atom due to the presence of two electron-withdrawing oxygen atoms. They exhibit properties of both polar and nonpolar compounds, making them useful as solvents and intermediates in organic synthesis.
Iron compounds refer to chemical substances that contain iron (Fe) combined with other elements. Iron is an essential mineral for the human body, playing a crucial role in various bodily functions such as oxygen transport, DNA synthesis, and energy production.
There are several types of iron compounds, including:
1. Inorganic iron salts: These are commonly used in dietary supplements and fortified foods to treat or prevent iron deficiency anemia. Examples include ferrous sulfate, ferrous gluconate, and ferric iron.
2. Heme iron: This is the form of iron found in animal products such as meat, poultry, and fish. It is more easily absorbed by the body compared to non-heme iron from plant sources.
3. Non-heme iron: This is the form of iron found in plant-based foods such as grains, legumes, fruits, and vegetables. It is not as well-absorbed as heme iron but can be enhanced by consuming it with vitamin C or other organic acids.
It's important to note that excessive intake of iron compounds can lead to iron toxicity, which can cause serious health problems. Therefore, it's essential to follow recommended dosages and consult a healthcare professional before taking any iron supplements.
I'm sorry for any confusion, but "meteoroids" is not a term used in medical definitions. It is a term from the field of astronomy. Meteoroids are small particles or bits of rock that are traveling in space. When they enter the Earth's atmosphere, they can become meteors (also known as "shooting stars") and can sometimes make it to the ground as meteorites.
I apologize for any confusion, but "Sulfinic Acids" is not a term used in medical definitions. It is a term from the field of chemistry. Sulfinic acids are organic compounds that contain a functional group with the formula RSO(O)H, where R represents an alkyl or aryl group. They are important intermediates in organic synthesis and can be found in some natural sources. If you have any questions related to medical terminology or concepts, I would be happy to help!
I'm sorry for any confusion, but "geologic sediments" is not a term used in medical definitions. Geological sediments are deposits of material that accumulate over time, usually in layers, as a result of natural geological processes such as weathering, erosion, and deposition. These sediments can eventually become rock formations and provide important clues about the Earth's history, including information about past climates, environments, and life on Earth.
Oxidation-Reduction (redox) reactions are a type of chemical reaction involving a transfer of electrons between two species. The substance that loses electrons in the reaction is oxidized, and the substance that gains electrons is reduced. Oxidation and reduction always occur together in a redox reaction, hence the term "oxidation-reduction."
In biological systems, redox reactions play a crucial role in many cellular processes, including energy production, metabolism, and signaling. The transfer of electrons in these reactions is often facilitated by specialized molecules called electron carriers, such as nicotinamide adenine dinucleotide (NAD+/NADH) and flavin adenine dinucleotide (FAD/FADH2).
The oxidation state of an element in a compound is a measure of the number of electrons that have been gained or lost relative to its neutral state. In redox reactions, the oxidation state of one or more elements changes as they gain or lose electrons. The substance that is oxidized has a higher oxidation state, while the substance that is reduced has a lower oxidation state.
Overall, oxidation-reduction reactions are fundamental to the functioning of living organisms and are involved in many important biological processes.
Sulfur is not typically referred to in the context of a medical definition, as it is an element found in nature and not a specific medical condition or concept. However, sulfur does have some relevance to certain medical topics:
* Sulfur is an essential element that is a component of several amino acids (the building blocks of proteins) and is necessary for the proper functioning of enzymes and other biological processes in the body.
* Sulfur-containing compounds, such as glutathione, play important roles in antioxidant defense and detoxification in the body.
* Some medications and supplements contain sulfur or sulfur-containing compounds, such as dimethyl sulfoxide (DMSO), which is used topically for pain relief and inflammation.
* Sulfur baths and other forms of sulfur-based therapies have been used historically in alternative medicine to treat various conditions, although their effectiveness is not well-established by scientific research.
It's important to note that while sulfur itself is not a medical term, it can be relevant to certain medical topics and should be discussed with a healthcare professional if you have any questions or concerns about its use in medications, supplements, or therapies.
In the context of medicine and biology, sulfates are ions or compounds that contain the sulfate group (SO4−2). Sulfate is a polyatomic anion with the structure of a sphere. It consists of a central sulfur atom surrounded by four oxygen atoms in a tetrahedral arrangement.
Sulfates can be found in various biological molecules, such as glycosaminoglycans and proteoglycans, which are important components of connective tissue and the extracellular matrix. Sulfate groups play a crucial role in these molecules by providing negative charges that help maintain the structural integrity and hydration of tissues.
In addition to their biological roles, sulfates can also be found in various medications and pharmaceutical compounds. For example, some laxatives contain sulfate salts, such as magnesium sulfate (Epsom salt) or sodium sulfate, which work by increasing the water content in the intestines and promoting bowel movements.
It is important to note that exposure to high levels of sulfates can be harmful to human health, particularly in the form of sulfur dioxide (SO2), a common air pollutant produced by burning fossil fuels. Prolonged exposure to SO2 can cause respiratory problems and exacerbate existing lung conditions.
In the context of medicine, iron is an essential micromineral and key component of various proteins and enzymes. It plays a crucial role in oxygen transport, DNA synthesis, and energy production within the body. Iron exists in two main forms: heme and non-heme. Heme iron is derived from hemoglobin and myoglobin in animal products, while non-heme iron comes from plant sources and supplements.
The recommended daily allowance (RDA) for iron varies depending on age, sex, and life stage:
* For men aged 19-50 years, the RDA is 8 mg/day
* For women aged 19-50 years, the RDA is 18 mg/day
* During pregnancy, the RDA increases to 27 mg/day
* During lactation, the RDA for breastfeeding mothers is 9 mg/day
Iron deficiency can lead to anemia, characterized by fatigue, weakness, and shortness of breath. Excessive iron intake may result in iron overload, causing damage to organs such as the liver and heart. Balanced iron levels are essential for maintaining optimal health.
Stereoisomerism is a type of isomerism (structural arrangement of atoms) in which molecules have the same molecular formula and sequence of bonded atoms, but differ in the three-dimensional orientation of their atoms in space. This occurs when the molecule contains asymmetric carbon atoms or other rigid structures that prevent free rotation, leading to distinct spatial arrangements of groups of atoms around a central point. Stereoisomers can have different chemical and physical properties, such as optical activity, boiling points, and reactivities, due to differences in their shape and the way they interact with other molecules.
There are two main types of stereoisomerism: enantiomers (mirror-image isomers) and diastereomers (non-mirror-image isomers). Enantiomers are pairs of stereoisomers that are mirror images of each other, but cannot be superimposed on one another. Diastereomers, on the other hand, are non-mirror-image stereoisomers that have different physical and chemical properties.
Stereoisomerism is an important concept in chemistry and biology, as it can affect the biological activity of molecules, such as drugs and natural products. For example, some enantiomers of a drug may be active, while others are inactive or even toxic. Therefore, understanding stereoisomerism is crucial for designing and synthesizing effective and safe drugs.
Seawater is not a medical term, but it is a type of water that covers more than 70% of the Earth's surface. Medically, seawater can be relevant in certain contexts, such as in discussions of marine biology, environmental health, or water safety. Seawater has a high salt content, with an average salinity of around 3.5%, which is much higher than that of freshwater. This makes it unsuitable for drinking or irrigation without desalination.
Exposure to seawater can also have medical implications, such as in cases of immersion injuries, marine envenomations, or waterborne illnesses. However, there is no single medical definition of seawater.
Bacteria are single-celled microorganisms that are among the earliest known life forms on Earth. They are typically characterized as having a cell wall and no membrane-bound organelles. The majority of bacteria have a prokaryotic organization, meaning they lack a nucleus and other membrane-bound organelles.
Bacteria exist in diverse environments and can be found in every habitat on Earth, including soil, water, and the bodies of plants and animals. Some bacteria are beneficial to their hosts, while others can cause disease. Beneficial bacteria play important roles in processes such as digestion, nitrogen fixation, and biogeochemical cycling.
Bacteria reproduce asexually through binary fission or budding, and some species can also exchange genetic material through conjugation. They have a wide range of metabolic capabilities, with many using organic compounds as their source of energy, while others are capable of photosynthesis or chemosynthesis.
Bacteria are highly adaptable and can evolve rapidly in response to environmental changes. This has led to the development of antibiotic resistance in some species, which poses a significant public health challenge. Understanding the biology and behavior of bacteria is essential for developing strategies to prevent and treat bacterial infections and diseases.
Phosphorus sulfides
Sulfide
Sulphide Glacier
Diethyl sulfide
Arsenic sulfide
Strontium sulfide
Selenium sulfide
Mercury sulfide
Sodium sulfide
Dimethyl sulfide
Tin sulfide
Ytterbium sulfide
Cobalt sulfide
Carbon sulfide
Diphenyl sulfide
Rubidium sulfide
Magnesium sulfide
Lithium sulfide
Antimony sulfide
Nickel sulfide
Dibromodiethyl sulfide
Copper sulfide
Sulphide Lake
Borate sulfide
Sulphide Creek
Polonium sulfide
Gold sulfide
Lead sulfide
Tetramethylthiuram sulfide
Phosphine sulfide
Phosphorus sulfides - Wikipedia
Sulfide - Wikipedia
Carbonyl Sulfide | ToxFAQs™ | ATSDR
Selenium Sulfide: MedlinePlus Drug Information
Category:Potassium sulfide - Wikimedia Commons
sulfide
Propyl sulfide
Platinum metals in magmatic sulfide ores
Trimethylphosphine sulfide
Ethyl isopentyl sulfide
Hydrogen Sulfide Toxicity: Practice Essentials, Pathophysiology, Etiology
Sodium ion batteries using copper sulfide developed | ScienceDaily
Hydrogen sulfide challenges in carbon dioxide pipelines
Alcohols, ethers, epoxides, sulfides | Organic chemistry | Khan Academy
Polyphenylene Sulfide facilitates food handling applications.
Air Monitoring for Hydrogen Sulfide | SCDHEC
Dimethyl Sulfide
Bismuth(III) sulfide 99 1345-07-9
What is Zinc Sulphide Used for?
Skip to Properties
Hydrogen Sulfide in Skin Diseases: A Novel Mediator and Therapeutic Target
Skip to Properties
Sulfide ion detection: Nextteq LLC | Water Technology
Morphology of a tube worm hosting sulphide-oxidizing symbionts | GRID-Arendal
Atomic Layer Deposition of Metal Sulfide Materials (Journal Article) | DOE PAGES
Basic Glacier Climb - Mount Shuksan/Sulphide Glacier - The Mountaineers
Zinc Sulfide Market Report 2018 - press releases - openPR.com
Phosphine sulfide synthesis by thionation
The Formation Of Ferrous Sulfide In Cooked Eggs
Lead sulfide13
- Sulfide also refers to chemical compounds large families of inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide. (wikipedia.org)
- A wet compound course is accounted for integrating natural particle settled lead sulfide nanoparticles. (alliedacademies.org)
- The underlying examination affirmed the development of the monoclinic period of lead sulfide inside the natural organization. (alliedacademies.org)
- The band construction of lead sulfide was gotten by thickness utilitarian hypothesis estimation that upheld the semiconductor idea of the material with an immediate band hole of 2.27 eV. (alliedacademies.org)
- The dielectric execution of the lead sulfide began because of the dipolar and the space charge polarization. (alliedacademies.org)
- The review uncovered that the lead sulfide-based framework has potential in energy capacity applications [ 1 ]. (alliedacademies.org)
- In this specific circumstance, lead sulfide, a parallel (IV-VI) semiconductor material, with modestly little bandgap and huge exciton Bohr span (18 nm), stand apart as promising material that has been effectively utilized for various applications, for example, infrared sensors, sun based cells, light-radiating diodes, lasers and natural imaging because of its controllable size with assortment of morphologies. (alliedacademies.org)
- Nanocrystalline lead sulfide additionally displayed the synergist execution for the amalgamation of amidoalkyl-naphthols under dissolvable free circumstances and for the synthetic decrease of p-nitroaniline. (alliedacademies.org)
- The restricted bandgap, high electron portability and phenomenal compound security empower the lead sulfide as a promising photocatalytic material. (alliedacademies.org)
- The lead sulfide nanoparticle started photocatalytic corruption of bromothymol blue has been accounted for because of electron-opening pair age instrument [ 3 ]. (alliedacademies.org)
- Utilizing the band hole designing, utilizing various ligands, the electrical property of lead sulfide based field-impact semiconductor showed the change from ambipolar to solid n-type conduct. (alliedacademies.org)
- The colloidal lead sulfide quantum spots likewise add to the improvement of sun powered cell efficiencies through better transporter extractionThe dopped lead sulfide nanocrystal encountered an improvement of optical properties because of charge infusion. (alliedacademies.org)
- Optical properties of lead sulfide, in view of hypothetical computation, displayed great reflection and retention for bright electromagnetic waves, recommended an expected possibility for photoconductive gadgets in bright reach. (alliedacademies.org)
Exposures to hydrogen sulfide3
- In 2019, 761 single exposures to hydrogen sulfide exposure were reported to Poison Control Centers in the United States. (medscape.com)
- Low-level exposures to hydrogen sulfide usually produce local eye and mucous membrane irritation, while high-level exposures rapidly produce fatal systemic toxicity. (medscape.com)
- For a copy of A Comprehensive Proposal to Protect the Public From Dangerous Exposures to Hydrogen Sulfide (H2S), contact the Institute at 616-882-4723. (mlui.org)
Iron sulfide3
- The sulfur absorption blocks the peripheral site and prevents further coking by creating an iron sulfide layer at the reaction site. (cpchem.com)
- After the initial passivation step is complete, the DMS injection rate is reduced but continued to maintain a partial presence of H2S in the furnace, maintaining the iron sulfide layer. (cpchem.com)
- The bulk of this specimen is made up of several crystals of Pyrrhotite, the iron sulfide known for its slight magnetism. (galleries.com)
Zinc sulphide3
- What is Zinc Sulphide Used for? (mis-asia.com)
- The volatile international political situations will continue to affect the markets and prices of many commodities like the zinc sulphide. (mis-asia.com)
- Our company provides graphene zinc sulphide, if you need to buy graphene and zinc sulphide, please feel free to contact us. (mis-asia.com)
Hydrogen sulphide3
- Bismuth(III) sulphide can be precipitated by hydrogen sulphide from bismuth solutions. (sigmaaldrich.com)
- Wu CHK (2013) The role of hydrogen sulphide in lung diseases. (springer.com)
- Li L, Hsu A, Moore PK (2009) Actions and interactions of nitric oxide, carbon monoxide and hydrogen sulphide in the cardiovascular system and in inflammation-a tale of three gases! (springer.com)
Methyl1
- For example, methyl sulfide can mean CH3-SH. (wikipedia.org)
Synthesis3
- Compounds of sulfur with nonmetals , including hydrogen sulfide, carbon dusulfide, and several sulfides of nitrogen and phosphorus are covalent compounds formed by direct synthesis. (daviddarling.info)
- Sulfur vacancies are introduced in the synthesis of zinc sulfide. (actionext.com)
- Synthesis of Deliquescent Lithium Sulfide in Air. (bvsalud.org)
Arsenic1
- Transfer of Sulfur from Arsenic and Antimony Sulfides to Phosphorus Sulfides. (wikipedia.org)
Insoluble2
- Sulfide compounds can be prepared in several different ways: Direct combination of elements: Example: Fe(s) + S(s) → FeS(s) Reduction of a sulfate: Example: MgSO4(s) + 4C(s) → MgS(s) + 4CO(g) Precipitation of an insoluble sulfide: Example: M2+ + H2S(g) → MS(s) + 2H+(aq) Many metal sulfides are so insoluble in water that they are probably not very toxic. (wikipedia.org)
- Metal sulfides are mostly insoluble (except those of the alkali metals and alkaline earth metals ), and are prepared by precipitation with hydrogen sulfide. (daviddarling.info)
Carbon monoxide3
- Together with nitric oxide (NO) and carbon monoxide (CO), hydrogen sulfide (H 2 S) is now recognized as a vital gaseous transmitter. (hindawi.com)
- The gasotransmitter hydrogen sulfide (H 2 S), recognized as the third gaseous signalling molecule along with nitric oxide (NO) and carbon monoxide (CO), is produced enzymatically in mammals under physiological conditions [ 1 ]. (hindawi.com)
- Hydrogen sulfide (H 2 S) has been regarded as the third gaseous transmitter alongside nitric oxide (NO) and carbon monoxide (CO). In mammalian brain, H 2 S is produced redundantly by four enzymatic pathways, implying its abundance in the organ. (springer.com)
Oxidation5
- Instead sulfide converts to hydrosulfide: S2− + H2O → SH− + OH− Upon treatment with an acid, sulfide salts convert to hydrogen sulfide: S2− + H+ → SH− SH− + H+ → H2S Oxidation of sulfide is a complicated process. (wikipedia.org)
- Oxidation of sulfide can also form thiosulfate (S 2O2− 3) an intermediate species responsible for severe problems of pitting corrosion of steel and stainless steel while the medium is also acidified by the production of sulfuric acid when oxidation is more advanced. (wikipedia.org)
- There are a number of operating parameters controlling bioleaching processes, which are required to be maintained within a certain range in the leaching environment whereby the activity of bacteria with the resultant oxidation of sulfide minerals can be optimized. (researchgate.net)
- resultant oxidation of sulfide minerals can be optimi zed. (researchgate.net)
- S) was constructed at the Diavik Diamond Mine, in the Northwest Territories, Canada to evaluate the generation of acid-rock drainage and the seasonal and annual release of sulfide oxidation products into solution. (confex.com)
Dimethyl7
- For example, the thioether dimethyl sulfide is CH3-S-CH3. (wikipedia.org)
- To help the agricultural industry flourish in its efforts to maintain fertile land, grow crops and raise healthy livestock, Chevron Phillips Chemical produces agrochemical intermediates such as Dimethyl Sulfide. (cpchem.com)
- Dimethyl Sulfide is also used as a flavor and fragrance intermediate, which enriches the aroma and flavor of certain consumer products. (cpchem.com)
- Dimethyl Sulfide (DMS) is a presulfiding agent for steam cracking, the process that turns hydrocarbons into ethylene and propylene, which is used for olefin-based products. (cpchem.com)
- Air-sea exchange is thought to be one of the major routes by which halocarbons and dimethyl sulphide reach the troposphere and stratosphere. (soton.ac.uk)
- Smythe-Wright, D. , Boswell, S.M. , Lucas, C.H. , New, A.L. and Varney, M.S. (2005) Halocarbon and dimethyl sulphide production around the Mascarene Plateau. (soton.ac.uk)
- Background: The two dialkylthiocarbamyl benzothiazole sulphides, dimethyl-thiocarbamylbenzothiazole sulphide (DMTBS) and diethylthio-carbamylbenzothiazole sulphide (DETBS) were shown to be good markers of both thiuram and mercaptobenzothiazole sensitivity. (lu.se)
Polyphenylene4
- Polyphenylene sulfide (see below) has the empirical formula C6H4S. (wikipedia.org)
- Polyphenylene Sulfide facilitates food handling applications. (thomasnet.com)
- Sulzbach, Germany, Shanghai, PR China - Ticona, the engineering polymers business of Celanese Corporation, today announced that Fortron® FX4382T1 polyphenylene sulfide (PPS) complies with U.S. Food and Drug Administration (FDA) and European Union (EU) food-contact regulations. (thomasnet.com)
- Fortron® FX4382T1 polyphenylene sulfide (PPS) from Ticona is ideally suited for use in food processing equipment and conveyor system applications such as high-precision chain links. (thomasnet.com)
Formula4
- Sulfide (British English also sulphide) is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions. (wikipedia.org)
- Zinc sulfide is an inorganic compound with the chemical formula ZnS, which is a white or slightly yellow powder, which becomes darker when exposed to light. (mis-asia.com)
- Zinc sulfide is an inorganic compound with the chemical formula ZnS. (actionext.com)
- Copper sulfide has the chemical formula CuS. (iberocruceros.com)
Organic3
- In organic chemistry, "sulfide" usually refers to the linkage C-S-C, although the term thioether is less ambiguous. (wikipedia.org)
- Organic sulfides, called thioethers , contain the -S- group linked to two hydrocarbon groups. (daviddarling.info)
- Organic decomposition of sulfur compounds in sewers, barns, liquid manure pits, ships' holds, and sulfur springs also produces hydrogen sulfide. (medscape.com)
Nanoparticles1
- This study investigates the delivery of 20, 45, and 100nm diameter poly(ethylene glycol)-stabilized poly(propylene sulfide) (PPS) nanoparticles to DCs in the lymph nodes. (nih.gov)
Selenium12
- 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. (medlineplus.gov)
- Selenium sulfide comes in a lotion and is usually applied as a shampoo. (medlineplus.gov)
- As a shampoo, selenium sulfide usually is used twice a week for the first 2 weeks and then once a week for 2, 3, or 4 weeks, depending on your response. (medlineplus.gov)
- For skin infections, selenium sulfide usually is applied once a day for 7 days. (medlineplus.gov)
- Use selenium sulfide exactly as directed. (medlineplus.gov)
- Avoid getting selenium sulfide in your eyes. (medlineplus.gov)
- Do not leave selenium sulfide on your hair, scalp, or skin for long periods (e.g., overnight) because it is irritating. (medlineplus.gov)
- selenium sulfide may damage it. (medlineplus.gov)
- If you are using selenium sulfide before or after bleaching, tinting, or permanent waving your hair, rinse your hair with cool water for at least 5 minutes after applying selenium sulfide to prevent discolored hair. (medlineplus.gov)
- tell your doctor and pharmacist if you are allergic to selenium sulfide or any other drugs. (medlineplus.gov)
- If you become pregnant while using selenium sulfide, call your doctor. (medlineplus.gov)
- Selenium sulfide may cause side effects. (medlineplus.gov)
Exposure16
- Exposure to carbonyl sulfide occurs mainly by breathing low levels of this chemical in the air. (cdc.gov)
- Exposure can also occur if you consume products such as wheat, oats, barley, and canola shortly after they have been fumigated with carbonyl sulfide to increase insect resistance. (cdc.gov)
- The health effects of carbonyl sulfide appear to depend on how much you are exposed to and the length of that exposure. (cdc.gov)
- Exposure to carbonyl sulfide can damage areas of the brain that control movement and process sound information. (cdc.gov)
- No human or animal studies have examined whether exposure to carbonyl sulfide can cause cancer. (cdc.gov)
- Whether children are more sensitive to carbonyl sulfide exposure than adults is not known. (cdc.gov)
- It is not known if exposure to carbonyl sulfide will cause birth defects in humans. (cdc.gov)
- How can families reduce the risk of exposure to carbonyl sulfide? (cdc.gov)
- the general population will have some exposure to carbonyl sulfide. (cdc.gov)
- The health effects of carbonyl sulfide appear to · It is also released during chemical processing, natural gas depend on how much you are exposed to and the and oil recovery, combustion of coal, biomass, burning, and length of that exposure. (cdc.gov)
- Families can reduce their exposure to carbonyl sulfide by avoiding areas that are sources of No human or animal studies have examined whether carbonyl sulfide. (cdc.gov)
- exposure to carbonyl sulfide can cause cancer. (cdc.gov)
- How can carbonyl sulfide affect determine carbonyl sulfide exposure. (cdc.gov)
- In the United States from 1999 to 2007, 45 deaths from hydrogen sulfide exposure occurred, all of them unintentional. (medscape.com)
- While there are no regulatory exposure limits outside of the workplace for hydrogen sulfide (H 2 S), there are exposure guidelines to which any monitoring data will be compared. (scdhec.gov)
- The small crystallite size phases (∼20 nm) and high micro-strain of the nickel sulfide nanophases favor this process, suggesting that sulfate nucleation occurs at disordered regions, also called the interfacial component, and that the growth rates are determined by the exposure time of the sample to the ambient atmosphere. (rsc.org)
Nanocrystalline1
- In this work, hydrated nickel sulfates (NSHs) were spontaneously obtained by storing nanocrystalline nickel sulfide composites (NiS 2 -NiS) under ambient conditions over several months. (rsc.org)
Minerals6
- Such inorganic sulfides typically have very low solubility in water, and many are related to minerals with the same composition (see below). (wikipedia.org)
- This sulfide minerals recorded information (like isotopes) of their surrounding environment during their formation. (wikipedia.org)
- The changes are part of proposed new permanent rules for nonferrous metallic mines that extract sulfide minerals like gold, zinc and copper. (wpr.org)
- Associated Minerals pentlandite , quartz , ankerite , pyrite and other sulfides. (galleries.com)
- Bioleaching/biooxidation is essentially a dissolution process with the involvement of acidophilic bacteria acting as the 'catalyst' to accelerate the dissolution of metals from sulfide minerals. (researchgate.net)
- bacteria acting as the "catalyst" to accelerate the dissolution of metals from sulfide minerals. (researchgate.net)
Ores2
- Many important metal ores are sulfides. (wikipedia.org)
- In this regard temperature, acidity, oxidizing conditions, availability of nutrients, oxygen and carbon dioxide, surface area and presence of toxic ions are of prime importance for control and optimization of bioleaching of sulfide ores/concentrates. (researchgate.net)
Occurs2
- Significant hydrogen sulfide poisoning usually occurs by inhalation. (medscape.com)
- Hydrogen sulfide occurs naturally in crude petroleum, natural gas, volcanic gases, and hot springs. (engineeringtoolbox.com)
Inorganic1
- Phosphorus sulfides comprise a family of inorganic compounds containing only phosphorus and sulfur. (wikipedia.org)
Odor3
- Hydrogen sulfide (H 2 S) is a colorless, flammable gas that has strong odor of rotten eggs. (medscape.com)
- The odor threshold range for hydrogen sulfide is 0.0005 to 0.3 ppm (0.5 to 300 ppb). (scdhec.gov)
- Hydrogen sulfide, H 2 S, is a highly toxic and flammable, colorless gas with a characteristic odor of rotten eggs. (engineeringtoolbox.com)
Copper9
- Dissolved free sulfides (H2S, HS− and S2−) are very aggressive species for the corrosion of many metals such as steel, stainless steel, and copper. (wikipedia.org)
- Platinum-group elements (PGE) are mined predominantly from deposits that have formed by the segregation of molten iron-nickel-copper sulfides from silicate magmas. (usgs.gov)
- Compared to the existing anode materials, the copper sulfide anode was measured to exhibit 1.5 times better cyclability with projected 40% reduction in cost. (sciencedaily.com)
- The material was found to be copper sulfide, preferably in nanoplates, which "prefers to make an alloy with sodium and is thus promising for high capacity and long-term cyclability. (sciencedaily.com)
- sis presented in the study reveals that copper sulfide undergoes crystallographic tuning to make a room for sodium insertion. (sciencedaily.com)
- Results indicate that the sodium ion-insertion capacity of copper sulfide is as much as 1.5 times that of lithium ions for graphite. (sciencedaily.com)
- Copper-doped zinc sulfide (" ZnS plus Cu ") is also used in electroluminescent panels. (actionext.com)
- ST. PAUL, Minn.―Conservation groups sued the U.S. Army Corps of Engineers today to challenge a key water permit authorizing the PolyMet open-pit copper-sulfide mine to move forward. (biologicaldiversity.org)
- PolyMet's proposed copper-sulfide mine would be located at the headwaters of Lake Superior, upstream from the St. Louis River, the largest U.S. tributary to Lake Superior, as well as the Fond du Lac Reservation and the city of Duluth. (biologicaldiversity.org)
Nickel1
- The chemical reactions involved in the milling and aging, as well as a tentative model to explain this spontaneous composition transition from nickel sulfides to nickel sulfate hydrates, are presented. (rsc.org)
Pyrite1
- Massive pyrrhotite is common and magnetism is sometimes the only way to distinguish it from other brassy colored sulfides such as chalcopyrite , pyrite, pentlandite or marcasite Good crystals are rare and should rightly be treasured as comming from a very unusual mineral. (galleries.com)
Pipelines4
- Corrosion is a major concern in many industrial installations processing sulfides: sulfide ore mills, deep oil wells, pipelines transporting soured oil and Kraft paper factories. (wikipedia.org)
- Joint industry project to investigate the integrity of carbon dioxide pipelines subjected to hydrogen sulfide from the carbon dioxide stream for carbon capture and storage applications. (dnv.com)
- This Joint Industry Project by DNV will take a look at how increasing acceptable levels of H 2 S will affect the risk for Sulphide Stress Cracking (SSC) and corrosion damages in carbon steel pipelines used for CCS. (dnv.com)
- Set new safety standards for building and operating pipelines that transport gas with hydrogen sulfide. (mlui.org)
Metal sulfides8
- Metal sulfides react with halogens, forming sulfur and metal salts. (wikipedia.org)
- In fact, the bonding in transition metal sulfides is highly covalent, which gives rise to their semiconductor properties, which in turn is related to the deep colors. (wikipedia.org)
- The fungus Aspergillus niger plays a role in the solubilization of heavy metal sulfides. (wikipedia.org)
- This Account highlights the attributes of ALD chemistry that are unique to metal sulfides and surveys recent applications of these materials in photovoltaics, energy storage, and photonics. (osti.gov)
- As a result, we consider challenges that must be addressed prior to implementing ALD metal sulfides into future device architectures. (osti.gov)
- Among the different semiconductor nanomaterials, metal sulfides stand out because of their fitting electronic band hole and bandposition. (alliedacademies.org)
- Such a long ways as application perspective, metal sulfides based gadgets showed productive exhibitions in a few regions including energy component, sun powered cell, light-discharging diode, gas sensor, battery, supercapacitor, thermoelectric, dielectric and memory applications. (alliedacademies.org)
- The presentation of the gadgets transcendently relies upon the nano engineering of the metal sulfides [ 2 ]. (alliedacademies.org)
Metals3
- 8 MgS + 8 I2 → S8 + 8 MgI2 Aqueous solutions of transition metals cations react with sulfide sources (H2S, NaHS, Na2S) to precipitate solid sulfides. (wikipedia.org)
- The science is clear: sulfide mines like Twin Metals and PolyMet would be disastrous for Minnesota and the planet. (mepartnership.org)
- The watershed of the Rainy River and the Boundary Waters around it would be impacted by Twin Metals, the other well-known sulfide mine project in Minnesota. (mepartnership.org)
Produces1
- The hydrogen sulfide combines with the iron of the yolk to form ferrous sulfide which produces the green color. (chestofbooks.com)
Byproduct2
- Hydrogen sulfide most often is encountered as a byproduct of the petroleum, viscose rayon, rubber, and mining industries. (medscape.com)
- Hydrogen sulfide, a common byproduct of energy development, is an explosive gas, similar in toxicity to cyanide, that attacks the nervous system. (mlui.org)
Sulfur compounds2
- They found the sulfur compounds in the yolk were more stable and less easily broken down to form hydrogen sulfide. (chestofbooks.com)
- He and coworkers established that oral malodor (bad breath) is associated with the presence of volatile sulfur compounds, primarily hydrogen sulfide and methylmercaptan. (medscape.com)
Mines2
Reacts2
- Carbonyl sulfide reacts with water to form carbon dioxide and hydrogen sulfide. (cdc.gov)
- A sulfide is a compound formed when sulfur reacts directly with another, more electropositive element. (daviddarling.info)
Salts3
- Solutions of sulfide salts are corrosive. (wikipedia.org)
- these are salts of hydrogen sulfide . (daviddarling.info)
- In these cases, hydrogen sulfide is created by mixing household chemicals (eg, an acidic detergent such as a toilet bowl cleaner, which acts as a proton donor, and a sulfur source such as a pesticide or bath salts), leading to the terms detergent suicide and chemical suicide. (medscape.com)
Likewise1
- Likewise at a lower temperature a smaller amount of hydrogen sulfide is formed. (chestofbooks.com)
Pigment4
- The most common use of zinc sulfide is as a pigment in paints, plastics and rubber. (mis-asia.com)
- Zinc sulfide is now the second most important pigment in the United States after titanium dioxide but continues to play an important role in European industry. (actionext.com)
- Because of its high refractive coefficient and wear resistance, zinc sulfide pigment in equipment, wax paper, and metal plate coated with a very thin layer has relatively high hiding power. (actionext.com)
- Zinc sulfide is a common pigment sometimes called Sachtolith. (actionext.com)
Temperature5
- The amount of hydrogen sulfide evolved depends on (1) the time of heating, (2) the temperature reached, and (3) the reaction of the egg. (chestofbooks.com)
- Since the white near the shell reaches a certain temperature more rapidly than the white near the yolk, more hydrogen sulfide is split off near the shell. (chestofbooks.com)
- But, since the temperature near the yolk is lower, hence has less pressure than near the shell, the hydrogen sulfide diffuses through the white towards the yolk. (chestofbooks.com)
- The hydrogen sulfide phase diagram shows the phase behavior with changes in temperature and pressure. (engineeringtoolbox.com)
- We visited the facility in April 2013 and measured hydrogen sulfide , carbon dioxide, temperature, and humidity levels throughout the building. (cdc.gov)
PolyMet2
- Last week, the U.S. Army Corps of Engineers suspended a key permit for the PolyMet sulfide ore mining project, tapping the brakes on the project due to the need for more review. (mepartnership.org)
- While the review process is complex, and other legal challenges are moving simultaneously against PolyMet, the Army Corps' permit suspension is good news for all those who are rightfully concerned about sulfide mining in Minnesota. (mepartnership.org)
Concentrations3
- At concentrations of 135 micrograms per cubic meter (µg/m 3 ) (0.055 ppm), people may be able to smell carbonyl sulfide in air. (cdc.gov)
- The absolute concentrations of PGE in sulfides from different deposits vary over a range of five orders of magnitude, whereas those of other chalcophile elements vary by factors of only 2 to 100. (usgs.gov)
- The absolute and relative concentrations of PGE in magmatic sulfides are explained in terms of the degree of partial melting of mantle peridotite required to produce the parent magma and the processes of batch equilibration and fractional segregation of sulfides. (usgs.gov)
Cardiovascular1
- Lead- (Pb-) induced hypertension has been shown in humans and experimental animals and cardiovascular effects of hydrogen sulfide (H 2 S) have been reported previously. (hindawi.com)
Affects3
- As a cellular poison, hydrogen sulfide affects all organs, particularly the CNS and pulmonary system. (medscape.com)
- Therefore, the extent of deterioration of the egg also affects the amount of hydrogen sulfide formed. (chestofbooks.com)
- Under the changes, the state must also notify tribes of any proposed sulfide mine that's near their reservations or affects land where they have federal treaty rights. (wpr.org)
Phosphorus4
- There are several other phosphorus sulfides in addition to P4S3 and P4S10. (wikipedia.org)
- All known molecular phosphorus sulfides contain a tetrahedral array of four phosphorus atoms. (wikipedia.org)
- P4S7 is most conveniently made by direct union of the corresponding elements, and is one of the most easily purified binary phosphorus sulfides. (wikipedia.org)
- Another method involves the heating of P4S7 and P4S10 in 1:2 mole ratio, where P4S9 is reversibly formed: P4S7 + 2 P4S10 ⇌ 3 P4S9 P4S10 is one of the most stable phosphorus sulfides. (wikipedia.org)
Chemistry2
- Recent progress in ALD of sulfides has expanded the diversity of accessible materials as well as a more complete understanding of the unique chalcogenide surface chemistry. (osti.gov)
- ALD of sulfide materials typically uses metalorganic precursors and hydrogen sulfide (H 2 S). As in oxide ALD, the precursor chemistry is critical to controlling both the film growth and properties including roughness, crystallinity, and impurity levels. (osti.gov)
Sulfate2
- Microbially-induced corrosion (MIC) or biogenic sulfide corrosion are also caused by sulfate reducing bacteria producing sulfide that is emitted in the air and oxidized in sulfuric acid by sulfur oxidizing bacteria. (wikipedia.org)
- Zinc sulfide forms lithopone when combined with barium sulfate. (actionext.com)
Lithium2
- Experimental and computational studies confirm that this interfacial resistance results from lithium depletion in sulfide solid electrolytes. (rsc.org)
- In the field of lithium - sulfur batteries (LSBs) and all-solid- state batteries , lithium sulfide (Li2S) is a critical raw material. (bvsalud.org)
Corrosion1
- Sulfides present in aqueous solution are responsible for stress corrosion cracking (SCC) of steel, and is also known as sulfide stress cracking. (wikipedia.org)
Chemical2
- Carbonyl sulfide does not have many commercial uses, as it is primarily used in small-scale chemical syntheses. (cdc.gov)
- Zinc sulfide is mainly used in paint and plastics in chemical production. (actionext.com)
Significant1
- More than a year after 11 people were injured by poisonous hydrogen sulfide (H2S) released from a natural gas well in Manistee Township, the Michigan Department of Environmental Quality has alerted the Legislature that it is taking steps to establish a number of significant policy reforms. (mlui.org)
Eggs3
- This explains why some eggs have more ferrous sulfide formed than other eggs when cooked at the same time and cooled in the same manner. (chestofbooks.com)
- Effect of rapid cooling upon formation of ferrous sulfide in cooked eggs. (chestofbooks.com)
- Hydrogen sulfide (H 2 S) was formerly known as a pollutant gas with characteristic smell of rotten eggs. (hindawi.com)