Lanthanum Strontium Gallate Magnesite (LSGM) Lanthanum Gallate doped with Strontium Oxide and Magnesium Oxide
Fuel Cell Cathode
La2O3/GaO/MgO/SrO
Product
Product Code
Order or Specifications
Lanthanum Strontium Gallate Magnesite Powder
LSGM-P
Lanthanum Strontium Gallate Magnesite Ink
LSGM-I
American Elements specializes in producing lanthanum strontium gallate magnesite (LSGM) for fuel cell cathode applications utilizing solid state processing to produce single phase perovskite structures with various doping levels and surface areas (SSA) for use in thin film layers. Upon firing, American Elements' Lanthanum Strontium Gallate Magnesite will partially sinter to form well-defined necks and open gas paths to permit simultaneous gas and electrical transfer. Lanthanum Strontium Gallate Magnesite has an excellent thermal expansion match with Yttria Stabilized Zirconia (YSZ) electrolytes. It is highly electronically conductive and has proven long term stability. Lanthanum Strontium Gallate Magnesite belongs to a class of "A" site and "B" site doped perovskite structures with these properties. These include Lanthanum Strontium Manganite (LSM), Lanthanum Strontium Ferrite (LSF), Lanthanum Calcium Manganite (LCM), Lanthanum Strontium Chromite (LSC), and Lanthanum Strontium Cobaltite Ferrite (LSCF). Lanthanum Strontium Gallate Magnesite is available as a powder for tape casting, air spray/thermal spray/plasma spray, extrusion and sputtering fuel cell applications and as an ink for screen printing. Strontium and Magnesia doping levels are as specified by customer. Oxygen starved compositions are available. American Elements provides guidance on firing parameters, doping levels, and thermal expansion matching with American Elements' electrolyte and interconnect fuel cell layers.
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.
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.
Gallium is a Block P, Group 13, Period 4 element. The number of electrons in each of Gallium's shells is 2, 8, 18, 3 and its electronic configuration is [Ar] 3d10 4s2 4p1. In its elemental form gallium's CAS number is 7440-55-3. The gallium atom has a radius of 122.1.pm and it's Van der Waals radius is 187.pm. Gallium is not toxic. Gallium is one of three elements that naturally occur as a liquid at room temperature. The other two are mercury and cesium. The application of gallium that has received the most attention is the production of semiconducting compounds. Of these, the most important are the compounds of gallium with antimony, arsenic or phosphor. Nowadays gallium arsenide (Ga-As) is undoubtedly the most used. This compound is used in the production of several electronic parts such as diodes and transistors, made for voltage rectification, signal amplification, etc. Other gallium arsenide applications are the semiconductor "lasing" and microwave generation and also in sensors to measure temperature, light or magnetic field. Gallium was first discovered by Hans Christian Oersted in 1825. See Gallium research below.
Magnesium is a Block S, Group 2, Period 3 element. The number of electrons in each of Magnesium's shells is 2, 8, 2 and its electronic configuration is [Ne] 3s2. In its elemental form magnesium's CAS number is 7439-95-4. The magnesium atom has a radius of 159.9.pm and it's Van der Waals radius is 173.pm. Magnesium the eighth most abundant element in the earth's crust. It is one third lighter than aluminum, and because of this is used in alloys that are essential for aerospace, satellite and missile construction. The metal improves the mechanical, fabrication, and welding characteristics of aluminum when used as an alloying agent. Uses also include flares and pyrotechnics due to its pyrophoric properties. Magnesium compounds, primarily magnesium oxide, are used mainly as refractory material in furnace linings for producing iron and steel, nonferrous metals, glass, and cement. High purity magnesium is found in dietary supplements. Magnesium was first discovered by Sir Humphrey Davy in 1808. The name Magnesium originates from a Greek district in Thessaly called Magnesia. See Magnesium research below.
PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.
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with Dual Energy X-Ray Absorptiometry Scanning due to the Prescription of
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Effects of Lanthanum on Calcium and
Magnesium Contents and Cytoplasmic Streaming of Internodal Cells of Chara
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Nanomedicine. 2010 Sep 7;5:601-9. PubMed PMID: 20856835; PubMed Central PMCID:
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Three-year extension
study of lanthanum carbonate therapy in Japanese hemodialysis patients. Shigematsu T; The Lanthanum Carbonate Research Group. Clin Exp
Nephrol. 2010 Sep 4. [Epub ahead of print] PubMed PMID: 20814807.
Coordination polymers and hydrogen-bonded
assemblies of 2,2'-[2,5-bis(carboxymethoxy)-1,4-phenylene]diacetic acid with
ammonium, lanthanum and zinc cations. Titi HM, Karmakar A, Goldberg I. Acta Crystallogr C. 2010 Sep;66(Pt
9):m238-44. Epub 2010 Aug 18. PubMed PMID: 20814094.
Molecules
containing rare-earth atoms solely bonded by transition metals. Butovskii MV, Döring C, Bezugly V, Wagner FR, Grin Y, Kempe R. Nat Chem. 2010
Sep;2(9):741-4. Epub 2010 Jun 27. PubMed PMID: 20729893.
Regulation and mechanism of potassium
release from barley roots: an in planta(42)K analysis. Coskun D, Britto DT, Kronzucker HJ. New Phytol. 2010 Aug 20.
[Epub ahead of print] PubMed PMID: 20731780.
Proteomic analysis of lanthanum
citrate-induced apoptosis in human cervical carcinoma SiHa cells. Shen L, Lan Z, Sun X, Shi L, Liu Q, Ni J. Biometals. 2010
Aug 1. [Epub ahead of print] PubMed PMID: 20814718.
Hybrid x-ray/optical
luminescence imaging: characterization of experimental conditions. Carpenter CM, Sun C, Pratx G, Rao R, Xing L. Med Phys. 2010
Aug;37(8):4011-8. PubMed PMID: 20879562; PubMed Central PMCID: PMC2917453.
A new large area lanthanum
hexaboride plasma source. Cooper CM, Gekelman W, Pribyl P, Lucky Z. Rev Sci Instrum. 2010 Aug;81(8):083503. PubMed PMID:
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[Combined injured effects of acid rain and
lanthanum on growth of soybean seedling]. Liang CJ, Pan DY, Xu QR, Zhou Q. Huan Jing Ke Xue. 2010
Jul;31(7):1652-6. Chinese. PubMed PMID: 20825040.
Stability
behavior of anionic spherical polyelectrolyte brushes in the presence of La(III)
counterions. Schneider C, Jusufi A, Farina R, Pincus P, Tirrell M, Ballauff M. Phys Rev E Stat Nonlin Soft Matter Phys. 2010 Jul;82(1 Pt 1):011401.
Epub 2010 Jul 7. PubMed PMID: 20866614.
Antibacterial
effect of lanthanum calcium manganate (La0.67Ca0.33MnO3) nanoparticles against
Pseudomonas aeruginosa ATCC 27853. De D, Mandal SM, Gauri SS, Bhattacharya R, Ram S, Roy SK. J Biomed Nanotechnol. 2010 Apr;6(2):138-44.
PubMed PMID: 20738067.
Recent Research & Development for Strontium
The effect of frequency of calcium hydroxide dressing change and various pre- and inter-operative factors on the endodontic treatment of traumatized immature permanent incisors.
Yassen GH, Chin J, Mohammedsharif AG, Alsoufy SS, Othman SS, Eckert G.
Dent Traumatol. 2011 Nov 16. doi: 10.1111/j.1600-9657.2011.01089.x. [Epub ahead of print]
PMID:
22136164
[PubMed - as supplied by publisher]
Thirteen Years' Experience of Diaphragmatic Injury in Children from the Post Graduate Institute of Medical Sciences (PGIMS), Rohtak, India.
Rattan KN, Narang R, Rohilla S, Maggu S, Dhaulakhandi DB.
Malays J Med Sci. 2011 Jan;18(1):45-51.
PMID:
22135573
[PubMed - in process]
Requirement of Potassium for the Action of Anti-Diuretic Hormone (ADH) on Frog Skin.
Jared SR, Rao JP.
Zoolog Sci. 2011 Dec;28(12):916-21.
PMID:
22132789
[PubMed - in process]
Removal efficiency of water purifier and adsorbent for iodine, cesium, strontium, barium and zirconium in drinking water.
Sato I, Kudo H, Tsuda S.
J Toxicol Sci. 2011;36(6):829-34.
PMID:
22129747
[PubMed - in process]
Compact pulse forming line using barium titanate ceramic material.
Kumar Sharma S, Deb P, Shukla R, Prabaharan T, Shyam A.
Rev Sci Instrum. 2011 Nov;82(11):115102.
PMID:
22129008
[PubMed - in process]
Barium enema and diagnosis of colorectal cancer.
Claridge LC.
BMJ. 2011 Nov 29;343:d7704. doi: 10.1136/bmj.d7704. No abstract available.
PMID:
22127450
[PubMed - in process]
Preparation methods and thermal stability of Ba-Mn-Ce oxide catalyst for NO(x)-assisted soot oxidation.
Wu X, Lin F, Wang L, Weng D, Zhou Z.
J Environ Sci (China). 2011;23(7):1205-10.
PMID:
22125916
[PubMed - in process]
Mechanisms of the cerebral vasodilator actions of isoflavonoids of Gegen on rat isolated basilar artery.
Deng Y, Ng ES, Yeung JH, Kwan YW, Lau CB, Koon JC, Zhou L, Zuo Z, Leung PC, Fung KP, Lam FF.
J Ethnopharmacol. 2011 Nov 20. [Epub ahead of print]
PMID:
22120017
[PubMed - as supplied by publisher]
[A new retrievable nitinol alloy stents for treatment of refractory benign esophageal strictures].
Li XH, Hu Y, Yang H, Bella AE, Fu JH.
Zhonghua Wei Chang Wai Ke Za Zhi. 2011 Nov;14(11):875-8. Chinese.
PMID:
22116724
[PubMed - in process]
Long-term follow-up of autologous hematopoietic stem cell transplantation for severe refractory Crohn's disease.
Hommes DW, Duijvestein M, Zelinkova Z, Stokkers PC, Ley MH, Stoker J, Voermans C, van Oers MH, Kersten MJ.
J Crohns Colitis. 2011 Dec;5(6):543-9. Epub 2011 Jun 12.
PMID:
22115372
[PubMed - in process]
A novel multipass scheme for enhancement of second harmonic generation.
Harimoto T, Yo B, Uchida K.
Opt Express. 2011 Nov 7;19(23):22692-7. doi: 10.1364/OE.19.022692.
PMID:
22109150
[PubMed - in process]
Insight into the local structure of barium indate oxide-ion conductors: An X-ray total scattering study.
Mancini A, Shin JF, Orera A, Slater PR, Tealdi C, Ren Y, Page KL, Malavasi L.
Dalton Trans. 2011 Nov 22. [Epub ahead of print]
PMID:
22105971
[PubMed - as supplied by publisher]
Hiatal hernias.
Dean C, Etienne D, Carpentier B, Gielecki J, Tubbs RS, Loukas M.
Surg Radiol Anat. 2011 Nov 22. [Epub ahead of print]
PMID:
22105688
[PubMed - as supplied by publisher]
New Volatile Strontium and Barium Imidazolate Complexes for the Deposition of Group 2 Metal Oxides.
Norman JA, Perez M, Kim MS, Lei X, Ivanov S, Derecskei-Kovacs A, Matz L, Buchanan I, Rheingold AL.
Inorg Chem. 2011 Nov 21. [Epub ahead of print]
PMID:
22103761
[PubMed - as supplied by publisher]
INDIVIDUAL-SPECIFIC TRANSGENERATIONAL MARKING OF FISH POPULATIONS BASED ON A BARIUM DUAL-ISOTOPE PROCEDURE.
Huelga-Suarez G, Moldovan M, Garcia-Valiente A, Garcia-Vazquez E, Alonso JI.
Anal Chem. 2011 Nov 21. [Epub ahead of print]
PMID:
22103693
[PubMed - as supplied by publisher]
Ileorectal fistula due to a rectal cancer-A case report.
Takahashi M, Fukuda T.
Int J Surg Case Rep. 2011;2(2):20-1. Epub 2010 Nov 27.
PMID:
22096678
[PubMed - in process]
Pilot study: a randomised, double blind, placebo controlled trial of pancrealipase for the treatment of postprandial irritable bowel syndrome-diarrhoea.
Money ME, Walkowiak J, Virgilio C, Talley NJ.
Frontline Gastroenterol. 2011 Jan;2(1):48-56. Epub 2010 Nov 3.
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22095308
[PubMed]
Functional antagonism of amphetamine versus ethanol on adrenergic neurotransmission in vas deferens of adolescent rats.
Silva Júnior ED, Caricati-Neto A, Jurkiewicz NH, Jurkiewicz A.
Eur J Pharmacol. 2011 Nov 7. [Epub ahead of print]
PMID:
22094068
[PubMed - as supplied by publisher]
Esophageal inlet patch.
Behrens C, Yen PP.
Radiol Res Pract. 2011;2011:460890. Epub 2011 Mar 30.
PMID:
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C-A5-02: Is Tailored Screening for Colorectal Cancer based on Gender and Race Cost-Effective?
Flottemesch T; the Prevention Priorities Study Team.
Clin Med Res. 2011 Nov;9(3-4):174.
PMID:
22090618
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Synthesis of fluoranthenes by hydroarylation of alkynes catalyzed by gold(I) or gallium trichloride.
Pascual S, Bour C, de Mendoza P, Echavarren AM.
Beilstein J Org Chem. 2011;7:1520-5. Epub 2011 Nov 14.
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Radioguided surgery in neuroendocrine tumors using ga-68-labeled somatostatin analogs: a pilot study.
Kaemmerer D, Prasad V, Daffner W, Haugvik SP, Senftleben S, Baum RP, Hommann M.
Clin Nucl Med. 2012 Feb;37(2):142-7.
PMID:
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Complexation of Metal Ions with TRAP (1,4,7-Triazacyclononane Phosphinic Acid) Ligands and 1,4,7-Triazacyclononane-1,4,7-triacetic Acid: Phosphinate-Containing Ligands as Unique Chelators for Trivalent Gallium.
Simecek J, Schulz M, Notni J, Plutnar J, Kubícek V, Havlícková J, Hermann P.
Inorg Chem. 2012 Jan 2;51(1):577-90. Epub 2011 Dec 20.
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A Sterically Demanding Iminopyridine Ligand Affords Redox-Active Complexes of Aluminum(III) and Gallium(III).
Myers TW, Berben LA.
Inorg Chem. 2012 Jan 5. [Epub ahead of print]
PMID:
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Report from the 1(st )World Congress on Gallium-68 and Peptide Receptor Radio Nuclide Therapy (PRRNT), Bad Berka (Germany), June 23-26, 2011.
Jurgilewicz D.
Nucl Med Rev Cent East Eur. 2011;14(2):125-6. No abstract available.
PMID:
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[PubMed - in process]
Molecular effects of gallium on osteoclastic differentiation of mouse and human monocytes.
Verron E, Loubat A, Carle GF, Vignes-Colombeix C, Strazic I, Guicheux J, Rochet N, Bouler JM, Scimeca JC.
Biochem Pharmacol. 2011 Dec 19. [Epub ahead of print]
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[PubMed - as supplied by publisher]
The ARRONAX Project.
Haddad F, Barbet J, Chatal JF.
Curr Radiopharm. 2011 Jul 1;4(3):186-96.
PMID:
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[PubMed - in process]
Differential Cytostatic and Cytotoxic Action of Metallocorroles against Human Cancer Cells: Potential Platforms for Anticancer Drug Development.
Lim P, Mahammed A, Okun Z, Saltsman I, Gross Z, Gray HB, Termini J.
Chem Res Toxicol. 2012 Jan 10. [Epub ahead of print]
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Autonomic Restoration of Electrical Conductivity.
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Adv Mater. 2011 Dec 20. doi: 10.1002/adma.201102888. [Epub ahead of print]
PMID:
22183927
[PubMed - as supplied by publisher]
Dependence of the Redshifted and Blueshifted Photoluminescence Spectra of Single In_{x}Ga_{1-x}As/GaAs Quantum Dots on the Applied Uniaxial Stress.
Jöns KD, Hafenbrak R, Singh R, Ding F, Plumhof JD, Rastelli A, Schmidt OG, Bester G, Michler P.
Phys Rev Lett. 2011 Nov 18;107(21):217402. Epub 2011 Nov 15.
PMID:
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Second line salvage chemotherapy for transplant-eligible patients with Hodgkin lymphoma resistant to platinum-containing first-line salvage chemotherapy.
Villa D, Seshadri T, Puig N, Massey C, Tsang R, Keating A, Crump M, Kuruvilla J.
Haematologica. 2011 Dec 16. [Epub ahead of print]
PMID:
22180434
[PubMed - as supplied by publisher]
Hole spin relaxation in Ge-Si core-shell nanowire qubits.
Hu Y, Kuemmeth F, Lieber CM, Marcus CM.
Nat Nanotechnol. 2011 Dec 18;7(1):47-50. doi: 10.1038/nnano.2011.234.
PMID:
22179569
[PubMed - in process]
Synthesis, radiometal labeling and in vitro evaluation of a targeted PPIX derivative.
Behnam Azad B, Cho CF, Lewis JD, Luyt LG.
Appl Radiat Isot. 2012 Mar;70(3):505-11. Epub 2011 Dec 6.
PMID:
22178308
[PubMed - in process]
Leukemia, thyroiditis and gallium-67 scan.
Wiwanitkit V.
Indian J Med Paediatr Oncol. 2011 Apr;32(2):122. No abstract available.
PMID:
22174505
[PubMed - in process]
Unusual presentation of mycosis fungoides as a lump in the scalp.
Imran MB, Othman S, Shahid A.
Singapore Med J. 2011 Nov;52(11):e226-8.
PMID:
22173261
[PubMed - in process]
(68)Ga-labeling and in vivo evaluation of a uPAR binding DOTA- and NODAGA-conjugated peptide for PET imaging of invasive cancers.
Persson M, Madsen J, Ostergaard S, Ploug M, Kjaer A.
Nucl Med Biol. 2011 Dec 13. [Epub ahead of print]
PMID:
22172391
[PubMed - as supplied by publisher]
Cathodoluminescence spectra of gallium nitride nanorods.
Tsai CC, Li GH, Lin YT, Chang CW, Wadekar P, Chen QY, Rigutti L, Tchernycheva M, Julien FH, Tu LW.
Nanoscale Res Lett. 2011 Dec 14;6(1):631. [Epub ahead of print]
PMID:
22168896
[PubMed - as supplied by publisher]
Design of neutral lewis superacids of group 13 elements.
Mück LA, Timoshkin AY, Frenking G.
Inorg Chem. 2012 Jan 2;51(1):640-6. Epub 2011 Dec 14.
PMID:
22168307
[PubMed - in process]
Role of Gallium-67 scintigraphy in the evaluation of occult sepsis in the medical ICU.
Chen WC, Tsai KD, Chen CH, Lin MS, Chen CM, Shih CM, Chen W.
Intern Emerg Med. 2011 Dec 14. [Epub ahead of print]
PMID:
22167445
[PubMed - as supplied by publisher]
Susceptibility of Candida albicans to photodynamic therapy using methylene blue and toluidine blue as photosensitizing dyes.
Pupo YM, Gomes GM, Santos EB, Chaves L, Michel MD, Kozlowski VA Jr, Gomes OM, Gomes JC.
Acta Odontol Latinoam. 2011;24(2):188-92.
PMID:
22165318
[PubMed - in process]
Recent Research & Development for Strontium
The effect of frequency of calcium hydroxide dressing change and various pre- and inter-operative factors on the endodontic treatment of traumatized immature permanent incisors.
Yassen GH, Chin J, Mohammedsharif AG, Alsoufy SS, Othman SS, Eckert G.
Dent Traumatol. 2011 Nov 16. doi: 10.1111/j.1600-9657.2011.01089.x. [Epub ahead of print]
PMID:
22136164
[PubMed - as supplied by publisher]
Thirteen Years' Experience of Diaphragmatic Injury in Children from the Post Graduate Institute of Medical Sciences (PGIMS), Rohtak, India.
Rattan KN, Narang R, Rohilla S, Maggu S, Dhaulakhandi DB.
Malays J Med Sci. 2011 Jan;18(1):45-51.
PMID:
22135573
[PubMed - in process]
Requirement of Potassium for the Action of Anti-Diuretic Hormone (ADH) on Frog Skin.
Jared SR, Rao JP.
Zoolog Sci. 2011 Dec;28(12):916-21.
PMID:
22132789
[PubMed - in process]
Removal efficiency of water purifier and adsorbent for iodine, cesium, strontium, barium and zirconium in drinking water.
Sato I, Kudo H, Tsuda S.
J Toxicol Sci. 2011;36(6):829-34.
PMID:
22129747
[PubMed - in process]
Compact pulse forming line using barium titanate ceramic material.
Kumar Sharma S, Deb P, Shukla R, Prabaharan T, Shyam A.
Rev Sci Instrum. 2011 Nov;82(11):115102.
PMID:
22129008
[PubMed - in process]
Barium enema and diagnosis of colorectal cancer.
Claridge LC.
BMJ. 2011 Nov 29;343:d7704. doi: 10.1136/bmj.d7704. No abstract available.
PMID:
22127450
[PubMed - in process]
Preparation methods and thermal stability of Ba-Mn-Ce oxide catalyst for NO(x)-assisted soot oxidation.
Wu X, Lin F, Wang L, Weng D, Zhou Z.
J Environ Sci (China). 2011;23(7):1205-10.
PMID:
22125916
[PubMed - in process]
Mechanisms of the cerebral vasodilator actions of isoflavonoids of Gegen on rat isolated basilar artery.
Deng Y, Ng ES, Yeung JH, Kwan YW, Lau CB, Koon JC, Zhou L, Zuo Z, Leung PC, Fung KP, Lam FF.
J Ethnopharmacol. 2011 Nov 20. [Epub ahead of print]
PMID:
22120017
[PubMed - as supplied by publisher]
[A new retrievable nitinol alloy stents for treatment of refractory benign esophageal strictures].
Li XH, Hu Y, Yang H, Bella AE, Fu JH.
Zhonghua Wei Chang Wai Ke Za Zhi. 2011 Nov;14(11):875-8. Chinese.
PMID:
22116724
[PubMed - in process]
Long-term follow-up of autologous hematopoietic stem cell transplantation for severe refractory Crohn's disease.
Hommes DW, Duijvestein M, Zelinkova Z, Stokkers PC, Ley MH, Stoker J, Voermans C, van Oers MH, Kersten MJ.
J Crohns Colitis. 2011 Dec;5(6):543-9. Epub 2011 Jun 12.
PMID:
22115372
[PubMed - in process]
A novel multipass scheme for enhancement of second harmonic generation.
Harimoto T, Yo B, Uchida K.
Opt Express. 2011 Nov 7;19(23):22692-7. doi: 10.1364/OE.19.022692.
PMID:
22109150
[PubMed - in process]
Insight into the local structure of barium indate oxide-ion conductors: An X-ray total scattering study.
Mancini A, Shin JF, Orera A, Slater PR, Tealdi C, Ren Y, Page KL, Malavasi L.
Dalton Trans. 2011 Nov 22. [Epub ahead of print]
PMID:
22105971
[PubMed - as supplied by publisher]
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utilizing solid state processing to produce single phase perovskite structures with various doping levels and surface areas (SSA) for use in thin film layers. Upon firing, American Elements' Lanthanum Strontium Gallate Magnesite will partially sinter to form well-defined necks and open gas paths to permit simultaneous gas and electrical transfer. Lanthanum Strontium Gallate Magnesite has an excellent thermal expansion match with Yttria Stabilized Zirconia (YSZ) electrolytes. It is highly electronically conductive and has proven long term stability. Lanthanum Strontium Gallate Magnesite belongs to a class of "A" site and "B" site doped perovskite structures with these properties. These include Lanthanum Strontium Manganite (LSM), Lanthanum Strontium Ferrite (LSF), Lanthanum Calcium Manganite (LCM), Lanthanum Strontium Chromite (LSC), and Lanthanum Strontium Cobaltite Ferrite (LSCF). Lanthanum Strontium Gallate Magnesite is available as a powder for tape casting, air spray/thermal spray/plasma spray, extrusion and sputtering fuel cell applications and as an ink for screen printing. Strontium and Magnesia doping levels are as specified by customer. Oxygen starved compositions are available. American Elements provides guidance on firing parameters, doping levels, and thermal expansion matching with American Elements' electrolyte and interconnect fuel cell layers.
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.
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. 
Gallium is a Block P, Group 13, Period 4 element. The number of electrons in each of Gallium's shells is 2, 8, 18, 3 and its electronic configuration is [Ar] 3d10 4s2 4p1. In its elemental form gallium's CAS number is 7440-55-3. The gallium atom has a radius of 122.1.pm and it's Van der Waals radius is 187.pm. Gallium is not toxic. Gallium is one of three elements that naturally occur as a liquid at room temperature. The other two are mercury and cesium. The application of gallium that has received the most attention is the production of semiconducting compounds. Of these, the 
most
important are the compounds of gallium with antimony, arsenic or phosphor. Nowadays gallium arsenide (Ga-As) is undoubtedly the most used. This compound is used in the production of several electronic parts such as diodes and transistors, made for voltage rectification, signal amplification, etc. Other gallium arsenide applications are the semiconductor "lasing" and microwave generation and also in sensors to measure temperature, light or magnetic field. Gallium was first discovered by Hans Christian Oersted in 1825. See Gallium research below. 
Magnesium is a Block S, Group 2, Period 3 element. The number of electrons in each of Magnesium's shells is 2, 8, 2 and its electronic configuration is [Ne] 3s2. In its elemental form magnesium's CAS number is 7439-95-4. The magnesium atom has a radius of 159.9.pm and it's Van der Waals radius is 173.pm. Magnesium the eighth most abundant element in the earth's crust. It is one third lighter than aluminum, and because of this is used in alloys that are essential for aerospace, satellite and missile construction. The metal improves the mechanical, fabrication, and welding characteristics of aluminum when used as an
alloying agent. Uses also include flares and pyrotechnics due to its pyrophoric properties. Magnesium compounds, primarily magnesium oxide, are 
used mainly as refractory material in furnace linings for producing iron and steel, nonferrous metals, glass, and cement. High purity magnesium is found in dietary supplements. Magnesium was first discovered by Sir Humphrey Davy in 1808. The name Magnesium originates from a Greek district in Thessaly called Magnesia. See Magnesium research below.
