Lanthanum Manganese Strontium Oxideis a highly insoluble thermally stable Aluminum source suitable for glass, optic and ceramic applications. Oxide compounds are not conductive to electricity. However, certain perovskite structured oxides are electronically conductive finding application in the cathode of solid oxide fuel cells and oxygen generation systems. They are compounds containing at least one oxygen anion and one metallic cation. They are typically insoluble in aqueous solutions (water) and extremely stable making them useful in ceramic structures as simple as producing clay bowls to advanced electronics and in light weight structural components in aerospace and electrochemical applications such as fuel cells in which they exhibit ionic conductivity. Metal oxide compounds are basic anhydrides and can therefore react with acids and with strong reducing agents in redox reactions. Lanthanum Manganese Strontium Oxide is also available in pellets, pieces, powder, sputtering targets, tablets, and nanopowder (from American Elements' nanoscale production facilities). See Nanotechnology for more nanotechnology applications information. High purity, submicron and nanopowder forms may be considered. Additional technical, research and safety (MSDS) information is available.
Lanthanum is a Block F, Group 3, Period 6 element. The number of electrons in each of Lanthanum's shells is 2, 8, 18, 18, 9, 2 and its electronic configuration is [Xe] 5d1 6s2. In its elemental form lanthanum 's CAS number is 7439-91-0. The lanthanum atom has a radius of 187.pm and it's Van der Waals radius is 200.pm. Lanthanum and compounds of Lanthanum are somewhat toxic. Lanthanum is one of the products manufactured and distributed under the tradename AE Rare Earths. Lanthanum is the first element in the rare earth or lanthanide series. It is the model for all the other trivalent rare earths. After cerium, it is the second most abundant of the rare earths. Lanthanum is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder.Lanthanum-rich lanthanide compositions have been used extensively for cracking reactions in FCC catalysts, especially to manufacture low-octane fuel for heavy crude oil. The name Lanthanum originates from the Greek word Lanthaneia which means 'To lie hidden'. See Lanthanum research below.
Manganese is a Block D, Group 7, Period 4 element. The number of electrons in each of Manganese's shells is 2, 8, 13, 2 and its electronic configuration is [Ar] 3d5 4s2. In its elemental form manganese's CAS number is 7439-96-5. The manganese atom has a radius of 136.7.pm and it's Van der Waals radius is 200.pm. Manganese in excess is toxic, in particular the inhalation of manganese in powder or dust form. Manganese metal is a key component of aluminumalloys. Manganese oxide is used in dry cell batteries. Manganese is used in steel production to remove sulfur and oxygen. Manganese is the colorant in natural amethyst stones and is used in glass and ceramics to also create the amethyst color. It is used like the element cerium to "decolorize" glass by offsetting the green from impurities of ferric ions. Permanganate is a powerful oxidizing agent and is used in medicine. It is added as a nutritional supplement for both human and animal consumption. Recently, the oxide in the form of various perovskite structures have demonstrated applications in oxygen generation and solid oxide fuel cells. Manganese was first discovered by Johann Gahn in 1774. The name Manganese originates from the Latin word mangnes meaning magnet. See Manganese research below.
Strontium is a Block S, Group 2, Period 5 element. The number of electrons in each of Strontium's shells is 2, 8, 18, 8, 2 and its electronic configuration is [Kr] 5s2. In its elemental form strontium's CAS number is 7440-24-6. The strontium atom has a radius of 215.1.pm and it's Van der Waals radius is 200.pm. The non-radioactive isotopes of Strontium are not toxic. Strontium has low tech applications as an additive to flares and pyrotechnics because of the bright crimson flame produced by its salts. Strontium is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. It also has many high technology applications because of its high refractive index as a titanate in glass, as a "getter" in electron tubes and as a dopant for numerous perovskite formulations to produce cathodes for oxygen generation or solid oxide fuel cells. Historically the primary use of strontium was to produce CRT glass for color television and computer tubes. Strontium was first discovered by A. Crawford in 1790. Strontium was named after the Scottish town it was discovered in, Strontian. See Strontium research below.
Andrographolide Inhibits PI3K/AKT-Dependent NOX2 and iNOS Expression Protecting Mice against Hypoxia/Ischemia-Induced Oxidative Brain Injury.
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21512969
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21512800
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21512515
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21512328
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21512311
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Direct Assessments of the Antioxidant Effects of the Novel Collagen Peptide on Reactive Oxygen Species Using Electron Spin Resonance Spectroscopy.
Kobayashi K, Maehata Y, Kawamura Y, Kusubata M, Hattori S, Tanaka K, Miyamoto C, Yoshino F, Yoshida A, Wada-Takahashi S, Komatsu T, Takahashi SS, Lee MC.
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21512306
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A Strong Protective Action of Guttiferone-A, a Naturally Occurring Prenylated Benzophenone, Against Iron-Induced Neuronal Cell Damage.
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21512303
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Dobashi Y, Miyakawa Y, Yamamoto I, Amao H.
Exp Anim. 2011;60(2):133-139.
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21512268
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21512191
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Laser-based absorption spectroscopy as a technique for rapid in-line analysis of respired gas concentrations of oxygen and carbon dioxide.
Cummings B, Hamilton ML, Ciaffoni L, Pragnell TR, Peverall R, Ritchie GA, Hancock G, Robbins PA.
J Appl Physiol. 2011 Apr 21. [Epub ahead of print]
PMID:
21512147
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The hypoxia associated factor (HAF) switches cells from HIF-1{alpha} to HIF-2{alpha} dependent signaling promoting stem cell characteristics, aggressive tumor growth and invasion.
Koh MY, Lemos R Jr, Liu XP, Powis G.
Cancer Res. 2011 Apr 21. [Epub ahead of print]
PMID:
21512133
[PubMed - as supplied by publisher]
Coactivators necessary for transcriptional output of the hypoxia inducible factor, HIF, are directly recruited by ARNT PAS-B.
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Proc Natl Acad Sci U S A. 2011 Apr 21. [Epub ahead of print]
PMID:
21512126
[PubMed - as supplied by publisher]
Latitudinal Gradients in Greenhouse Seawater {delta}18O: Evidence from Eocene Sirenian Tooth Enamel.
Clementz MT, Sewall JO.
Science. 2011 Apr 22;332(6028):455-458.
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21512030
[PubMed - as supplied by publisher]
High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt.
Wu G, More KL, Johnston CM, Zelenay P.
Science. 2011 Apr 22;332(6028):443-447.
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21512028
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