Loading...
*  Phenylpropanoids metabolism
Phenylalanine ammonia-lyase (PAL, a.k.a. phenylalanine/tyrosine ammonia-lyase) is an enzyme responsible for the transformation ... of L-phenylalanine or tyrosine into trans-cinnamic acid or p-coumaric acid respectively and ammonia. Trans-cinnamate 4- ...
*  Rumen
Peptides, amino acids, ammonia, and other sources of nitrogen originally present in the feed can also be used directly by ... yielding ammonia. Lipids, lignin, minerals, and vitamins play a less prominent role in digestion than carbohydrates and protein ...
*  Hepatic encephalopathy
Serum ammonia levels are elevated in 90% of people, but not all hyperammonaemia (high ammonia levels) is associated with ... They are thought to decrease the generation of ammonia by bacteria, render the ammonia inabsorbable by converting it to ... Despite numerous studies demonstrating the central role of ammonia, ammonia levels do not always correlate with the severity of ... Astrocytes use ammonia when synthesising glutamine from glutamate. The increased levels of glutamine lead to an increase in ...
*  Nitrification
The oxidation of ammonia into nitrite is performed by two groups of organisms, ammonia-oxidizing bacteria (AOB) and ammonia- ... Conversion of this ammonia to nitrate increases nitrogen leaching because nitrate is more water-soluble than ammonia. ... ammonia to hydroxylamine) is carried out by the enzyme ammonia monooxygenase (AMO). NH 3 {\displaystyle {\ce {NH3}}} + O 2 {\ ... the presence of free ammonia can act as a substrate for ammonia-oxidizing microorganisms. The associated reactions can lead to ...
*  Phenylalanine ammonia-lyase
... phenylalanine ammonia-lyases), EC 4.3.1.25 (tyrosine ammonia-lyases), and EC 4.3.1.26 (phenylalanine/tyrosine ammonia-lyases). ... L-tyrosine ammonia-lyase, phenylalanine ammonium-lyase, PAL, and L-phenylalanine ammonia-lyase. Phenylalanine ammonia lyase is ... Phenylalanine ammonia lyase (EC 4.3.1.24) is an enzyme that catalyzes a reaction converting L-phenylalanine to ammonia and ... Phenylalanine ammonia lyase (PAL) is the first and committed step in the phenyl propanoid pathway and is therefore involved in ...
*  Glutamate dehydrogenase
In animals, the produced ammonia is usually used as a substrate in the urea cycle. Typically, the α-ketoglutarate to glutamate ... Glutamate dehydrogenase also has a very low affinity for ammonia (high Michaelis constant K m {\displaystyle K_{m}} of about 1 ... α-ketoglutarate and ammonia to glutamate and NAD(P)+). However, in brain, the NAD+/NADH ratio in brain mitochondria encourages ... H+ Ammonia incorporation in animals and microbes occurs through the actions of glutamate dehydrogenase and glutamine synthetase ...
*  Anaerobic lagoon
As pH or temperature increases, so does the amount of volatilized ammonia. Once ammonia has been volatilized, it can travel as ... This volatilized ammonia has been implicated in widespread ecological damage in Europe and is of growing concern for the United ... In the United States, 80 percent of ammonia emissions come from livestock production.A lagoon can vaporize up to 80 percent of ... Meisinger, J. J. "Ammonia Volitalization from Dairy and Poultry Manure" (PDF). NREAS. Retrieved 2 November 2011. "Environmental ...
*  Ammonia
... engines or ammonia motors, using ammonia as a working fluid, have been proposed and occasionally used. The principle is ... Household ammonia ranges in concentration by weight from 5 to 10% ammonia. Solutions of ammonia ranging from 16% to 25% are ... Industrial ammonia is sold either as ammonia liquor (usually 28% ammonia in water) or as pressurized or refrigerated anhydrous ... Ammonia Page, cdc.gov NIOSH Pocket Guide to Chemical Hazards - Ammonia, cdc.gov Ammonia, video. ...
*  SF Ammonia
... is a steam-powered railway ferry on Lake Tinn in Telemark, Norway. The ferry was one of the four railway ferries on ... Ammonia is capable of carrying 17 railway cars, totalling 630 tonnes, on 120 metres of track - double-track standard gauge, in ... She has two steam engines each of 300 kW (400 hp), and can achieve a speed of 12 knots (22 km/h). Ammonia was the third railway ... After the sinking of Hydro in 1944, Ammonia had to do the main hauling across the lake, and by September 1944 she was ...
*  Hera Ammonia
Ammonia (Greek: Ἀμμωνία) was an epithet of the Greek goddess Hera, under which she was worshiped in Elis. The inhabitants of ... 7 This article incorporates text from a publication now in the public domain: Leonhard Schmitz, Leonhard (1870). "Ammonia". In ...
*  Ammonia fungi
... are fungi that develop fruit bodies exclusively or relatively abundantly on soil that has had ammonia or other ... Fukiharu T, Hongo T (1995). "Ammonia fungi of Iriomote Island in the southern Ryukyus, Japan and a new ammonia fungus, Hebeloma ... The addition of ammonia or urea causes numerous chemical and biological changes, for examples, the pH of soil litter is ... nov., a new ammonia fungus from boreal forests in Canada". Mycotaxon. 115: 227-38. doi:10.5248/115.227. ...
*  Ammonia (genus)
Ammonia aoteana (Finlay, 1940) Ammonia batava (Hofker, 1951) Ammonia beccarii (Linnaeus, 1758) Ammonia convexa (Collins, 1958) ... Ammonia irridescens (Arnal, 1958) (maybe a synonym of A. tepida) Ammonia limnetes (Todd & Bronnimann, 1957) Ammonia sobrina ( ... Ammonia is a genus of marine foraminifers. It is one of the most abundant foraminifer genera worldwide and occurs in sheltered ... While several different forms exist, many authors consider the genus to consist of a single species, Ammonia beccarii, with ...
*  Ammonia Avenue
"Ammonia Avenue Part 1" (Eric Demo Vocal - Rough Mix) "Ammonia Avenue" (Orchestral Overdub) Ian Bairnson - acoustic guitar, ... Ammonia Avenue > Overview )))". www.allmusic.com. Retrieved 26 September 2009. "Ammonia Avenue : Alan Parsons Project : Review ... Ammonia Avenue is one of the band's biggest-selling albums, carrying an RIAA certification of gold and reaching the Top 10 in a ... Ammonia Avenue is the seventh studio album by the British progressive rock band The Alan Parsons Project, released on 7 ...
*  Ammonia monooxygenase
... (EC 1.14.99.39, AMO) is an enzyme, which catalyses the following chemical reaction ammonia + AH2 + O2 ... Zahn, J.A.; Arciero, D.M.; Hooper, A.B.; DiSpirito, A.A. (1996). "Evidence for an iron center in the ammonia monooxygenase from ... Ammonia monooxygenase at the US National Library of Medicine Medical Subject Headings (MeSH) Molecular and Cellular Biology ... Hyman, M.R.; Page, C.L.; Arp, D.J. (1994). "Oxidation of methyl fluoride and dimethyl ether by ammonia monooxygenase in ...
*  Ammonia fountain
A different gas of comparable solubility in water, such as hydrogen chloride, can be used instead of ammonia. If the ammonia is ... The experiment consists of introducing water through an inlet to a container filled with ammonia gas. Ammonia dissolves into ... A(nother) Modification of the Ammonia Fountain Demonstration Ben Ruekberg and David L. Freeman Journal of Chemical Education ... Another reported variation involves copper sulfate The Ammonia Smoke Fountain: An Interesting Thermodynamic Adventure M. Dale ...
*  Ammonia (disambiguation)
Ammonia is a chemical compound with the formula NH3. Ammonia may also refer to: Ammonia (band), an Australian rock band Ammonia ... a cleaning chemical commonly referred to as ammonia Hera Ammonia, an epithet of Greek goddess Hera SF Ammonia, a railway ferry ...
*  Ammonia (band)
... artist profile Ammonia interview Comprehensive Ammonia Discography Ammonia @ Allmusic Ammonia @ Discogs Ammonia @ MusicBrainz. ... "Review: Ammonia, Mint 400". WestNet. Retrieved 8 November 2016. "Hottest 100 Archive: Search Results for 'Ammonia'". Triple J ( ... Late that year, Ammonia were the first band to sign with Sony's Murmur label (the second band to sign was the then-unknown ... Ammonia were an alternative rock band from Perth, providing a mixture of grunge and guitar pop (a sound they described as 'pop- ...
*  Ammonia production
... ammonia from waste water is sent into an ammonia electrolyzer (ammonia electrolysis) operating with renewable energy sources ( ... Ammonia is one of the most highly produced inorganic chemicals. There are numerous large-scale ammonia production plants ... Ammonia production depends on plentiful supplies of energy, predominantly natural gas. Due to ammonia's critical role in ... as ammonia is less flammable than gasoline or LPG.[citation needed] Waste water is often high in ammonia. Because discharging ...
*  Ammonia borane
Reaction of diborane with ammonia mainly gives the diammoniate salt [H2B(NH3)2]+(BH4)−. Ammonia borane is the main product when ... Ammonia borane has been suggested as a storage medium for hydrogen, e.g. for when the gas is used to fuel motor vehicles. It ... Ammonia borane finds some use in organic synthesis as an air-stable derivative of diborane. Many analogues have been prepared ... Its similarity to ethane is tenuous since borane-ammonia is a solid and ethane is a gas: their melting points differing by 284 ...
*  Ammonia kinase
In enzymology, an ammonia kinase (EC 2.7.3.8) is an enzyme that catalyzes the chemical reaction ATP + NH3 ⇌ {\displaystyle \ ... The systematic name of this enzyme class is ATP:ammonia phosphotransferase. Other names in common use include phosphoramidate- ...
*  Ammonia poisoning
The amount of ammonia present is usually accompanied by a rise in pH. As ammonia is a base, it is stabilized by alkaline water ... An ammonia test is the most sure way of diagnosing ammonia poisoning. Symptoms include: Purple, red or bleeding gills Fish may ... Treatments include immediately reducing the ammonia level through many small water changes. Alternatively an ammonia detoxifier ... Once the ammonia is removed, the fish may recover if the damage is not too extensive. Increasing aeration may be desirable, as ...
*  Ammonia tepida
... is a benthic foraminifer living in the sediment of brackish waters. It is very similar to Ammonia beccarii, but ... "Ammonia beccarii and Ammonia tepida (Foraminifera): morphofunctional arguments for their distinction". Marine Micropaleontology ... Ammonia tepida is found in the sediment of brackish waters worldwide. It is able to tolerate a wide range of temperatures and ... Ammonia tepida (Cushman, 1926)". The Journal of Foraminiferal Research. 40 (4): 305-312. doi:10.2113/gsjfr.40.4.305. ISSN 0096- ...
*  Ammonia cookie
An ammonia cookie is a cookie made with baking ammonia as a leavener. In the United States, they are most closely associated ...
*  Ammonia fuming
Ammonia splashes can burn skin and the fumes can cause burns to eyes and lungs. Operators need to wear gas masks, gloves and ... Ammonia fuming is a wood finishing process that darkens wood and brings out the grain pattern. It consists of exposing the wood ... If the chamber is large or the fuming is to be done for a long time then more than one container may be provided or the ammonia ... This was caused by the ammonia fumes from the horse urine reacting with the wood. At the end of the nineteenth and beginning of ...
*  Ammonia transporter
... the ammonia channel must be deactivated to prevent excessive ammonia entering the cell (where ammonia would be combined with ... The human RhCG ammonia transporter was found to have a similar ammonia-conducting channel structure. It was proposed[citation ... Ammonia transporters (TC# 1.A.11) are structurally related membrane transport proteins called Amt proteins (ammonia ... Each monomer contains a hydrophobic ammonia conducting channel. While prokaryotic ammonia channel proteins have an N-terminal ...