American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopeia/British Pharmacopeia) and follows applicable ASTM testing standards.See safety data and research below and pricing/lead time above. American Elements specializes in producing high purity Calcium Selenide Sputtering Targets with the highest possible density and smallest possible average grain sizes for use in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Our standard Sputtering Targets for thin film are available monoblock or bonded with dimensions and configurations up to 820 mm with hole drill locations and threading, beveling, grooves and backing designed to work with both older sputtering devises as well as the latest process equipment, such as large area coating for solar energy or fuel cells and flip-chip applications. Research sized targets are also produced as well as custom sizes and alloys. All targets are analyzed using best demonstrated techniques including X-Ray Fluorescence (XRF), Glow Discharge Mass Spectrometry (GDMS), and Inductively Coupled Plasma (ICP). "Sputtering" allows for thin film deposition of an ultra high purity sputtering metallic or oxide material onto another solid substrate by the controlled removal and conversion of the target material into a directed gaseous/plasma phase through ionic bombardment. "Sputtering" allows for thin film deposition of an ultra high purity sputtering metallic or oxide material onto another solid substrate by the controlled removal and conversion of the target material into a directed gaseous/plasma phase through ionic bombardment. We can also provide targets outside this range in addition to just about any size rectangular, annular, or oval target. Materials are produced using crystallization, solid state and other ultra high purification processes such as sublimation. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into rod, bar or plate form, as well as other machined shapes and through other processes nanoparticles. We also produce Calcium as disc, granules, ingot, pellets, pieces, powder, and rod. Other shapes are available by request.
Calcium is a Block S, Group 2, Period 4 element. The number of electrons in each of Calcium's shells is 2, 8, 8, 2 and its electronic configuration is [Ar] 4s2. In its elemental form calcium's CAS number is 7440-70-2. The calcium atom has a radius of 197.4.pm and it's Van der Waals radius is 200.pm. Calcium is a reactive, soft metal. Calcium is a member of the alkaline earth elements. Calcium is an essential metal for living organisms and is non-toxic. Its primary commercial application is in its metallic form as a reducing agent in the production of other metals. In iron and steel production it is added to the melt to remove oxygen, sulfur and carbon. The various calcium compounds have wide application in food, pharmaceutical and cosmetics. It is used in small doses in alloys of copper and beryllium. It is used in dietary supplements and food production because it has been shown to improve bone and dental health. Calcium information, including Technical Data, Safety Data and its High Purity properties, research, applications and other useful facts are discussed here. Calcium was first discovered by Sir Humphrey Davy in 1808. The name calcium originates from the Latin word 'calics' meaning lime. See Calcium research below.
Selenium is a Block P, Group 16, Period 4 element. The number of electrons in each of Selenium's shells is 2, 8, 18, 6 and its electronic configuration is [Ar] 3d10 4s2 4p4. In its elemental form selenium's CAS number is 7782-49-2. The selenium atom has a radius of 116.pm and it's Van der Waals radius is 190.pm. The EPA does not classify selenium as carcinogenic, although selenium sulfide is a probable carcinogen. Selenates and selenites which are compounds of selenium, are highly toxic. Hydrogen selenide gas (SeH2) is the most acutely toxic compound of selenium. Selenium exhibits both photovoltaic action, where light is converted directly into electricity, and photoconductive action, where the electrical resistance decreases with increased illumination. of photocells and exposure meters for photographic use, as well as solar cells. Below its melting point, selenium is a p-type semiconductor and has many uses in electronic and solid-state applications. Selenium is available as metal and compounds with purities from 99% to 99.9999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. Selenium was first discovered by Jons Berzelius in 1817. The origin of the name Selenium comes from the Greek word "Selênê" meaning moon. See selenium research below.
Prevention of preterm labour: 2011 update on tocolysis.
Hubinont C, Debieve F.
J Pregnancy. 2011;2011:941057. Epub 2011 Nov 15.
PMID:
22175022
[PubMed - in process]
Efficient conversion of astrocytes to functional midbrain dopaminergic neurons using a single polycistronic vector.
Addis RC, Hsu FC, Wright RL, Dichter MA, Coulter DA, Gearhart JD.
PLoS One. 2011;6(12):e28719. Epub 2011 Dec 9.
PMID:
22174877
[PubMed - in process]
Dysferlin Interacts with Histone Deacetylase 6 and Increases alpha-Tubulin Acetylation.
Di Fulvio S, Azakir BA, Therrien C, Sinnreich M.
PLoS One. 2011;6(12):e28563. Epub 2011 Dec 8.
PMID:
22174839
[PubMed - in process]
Regulation of Brain-Derived Neurotrophic Factor Exon IV Transcription through Calcium Responsive Elements in Cortical Neurons.
Zheng F, Zhou X, Luo Y, Xiao H, Wayman G, Wang H.
PLoS One. 2011;6(12):e28441. Epub 2011 Dec 9.
PMID:
22174809
[PubMed - in process]
Adeno-associated virus-mediated rescue of the cognitive defects in a mouse model for angelman syndrome.
Daily JL, Nash K, Jinwal U, Golde T, Rogers J, Peters MM, Burdine RD, Dickey C, Banko JL, Weeber EJ.
PLoS One. 2011;6(12):e27221. Epub 2011 Dec 9.
PMID:
22174738
[PubMed - in process]
Nifedipine Protects INS-1 ß-Cell from High Glucose-Induced ER Stress and Apoptosis.
Wang Y, Gao L, Li Y, Chen H, Sun Z.
Int J Mol Sci. 2011;12(11):7569-80. Epub 2011 Nov 7.
PMID:
22174617
[PubMed - in process]
Chitosan Fibers Modified with HAp/ß-TCP Nanoparticles.
Wawro D, Pighinelli L.
Int J Mol Sci. 2011;12(11):7286-300. Epub 2011 Oct 25.
PMID:
22174598
[PubMed - in process]
Mild and moderate pre-dialysis chronic kidney disease is associated with increased coronary artery calcium.
Roy SK, Cespedes A, Li D, Choi TY, Budoff MJ.
Vasc Health Risk Manag. 2011;7:719-24. Epub 2011 Dec 2.
PMID:
22174582
[PubMed - in process]
Ambulatory blood pressure response to triple therapy with an angiotensin-receptor blocker (ARB), calcium-channel blocker (CCB), and HCTZ versus dual therapy with an ARB and HCTZ.
Duprez D, Ferdinand K, Purkayastha D, Samuel R, Wright R.
Vasc Health Risk Manag. 2011;7:701-8. Epub 2011 Nov 24.
PMID:
22174580
[PubMed - in process]
Leukotriene E4 Activates Human Th2 Cells for Exaggerated Proinflammatory Cytokine Production in Response to Prostaglandin D2.
Xue L, Barrow A, Fleming VM, Hunter MG, Ogg G, Klenerman P, Pettipher R.
J Immunol. 2011 Dec 14. [Epub ahead of print]
PMID:
22174450
[PubMed - as supplied by publisher]
Association Between Depression and Vascular Disease in Systemic Lupus Erythematosus.
Greco CM, Li T, Sattar A, Kao AH, Danchenko N, Edmundowicz D, Sutton-Tyrrell K, Tracy RP, Kuller LH, Manzi S.
J Rheumatol. 2011 Dec 15. [Epub ahead of print]
PMID:
22174200
[PubMed - as supplied by publisher]
A rare electrocardiographic manifestation of a rare form of multiple electrolyte disturbances: hyperparathyroid crisis.
Hajsadeghi S, Chitsazan M, Miresmail SJ.
Acta Med Iran. 2011 Dec;49(12):824-7.
PMID:
22174173
[PubMed - in process]
A cross-sectional study to determine the prevalence of calcium metabolic disorder in malignant childhood cancers in patients admitted to the pediatric ward of vali-asr hospital.
Moayeri H, Oloomi Z, Sambo SA.
Acta Med Iran. 2011 Dec;49(12):818-23.
PMID:
22174172
[PubMed - in process]
Study to Evaluate Two Dosage Regimens of Vitamin D through an Academic Year in Middle School Girls: a Randomized Trial.
Shakiba M, Ghadir M, Nafei Z, Akhavan Karbasi S, Lotfi MH, Shajari A.
Acta Med Iran. 2011 Dec;49(12):780-3.
PMID:
22174164
[PubMed - in process]
Oxidative stress due to aluminium exposure induces eryptosis which is prevented by erythropoietin.
Vota DM, Crisp RL, Nesse AB, Vittori DC.
J Cell Biochem. 2011 Dec 15. doi: 10.1002/jcb.24026. [Epub ahead of print]
PMID:
22174104
[PubMed - as supplied by publisher]
Parameters Affecting the Efficient Delivery of Mesoporous Silica Nanoparticle Materials and Gold Nanorods into Plant Tissues by the Biolistic Method.
Martin-Ortigosa S, Valenstein JS, Sun W, Moeller L, Fang N, Trewyn BG, Lin VS, Wang K.
Small. 2011 Dec 16. doi: 10.1002/smll.201101294. [Epub ahead of print]
PMID:
22174078
[PubMed - as supplied by publisher]
Cell Excitability Necessary for Male Mating Behavior in Caenorhabditis elegans is Coordinated by Interactions Between BK and EAG Family K+ Channels.
Leboeuf B, Garcia LR.
Genetics. 2011 Dec 14. [Epub ahead of print]
PMID:
22174070
[PubMed - as supplied by publisher]
Dantrolene rescues arrhythmogenic RYR2 defect in a patient-specific stem cell model of catecholaminergic polymorphic ventricular tachycardia.
Jung CB, Moretti A, Schnitzler MM, Iop L, Storch U, Bellin M, Dorn T, Ruppenthal S, Pfeiffer S, Goedel A, Dirschinger RJ, Seyfarth M, Lam JT, Sinnecker D, Gudermann T, Lipp P, Laugwitz KL.
EMBO Mol Med. 2011 Dec 15. doi: 10.1002/emmm.201100194. [Epub ahead of print]
PMID:
22174035
[PubMed - as supplied by publisher]
Vitamin D Regulates Anti-Mullerian Hormone Expression in Granulosa Cells of the Hen.
Wojtusik J, Johnson PA.
Biol Reprod. 2011 Dec 14. [Epub ahead of print]
PMID:
22174023
[PubMed - as supplied by publisher]
Mechanistic involvement of the calpain-calpastatin system in Alzheimer neuropathology.
Higuchi M, Iwata N, Matsuba Y, Takano J, Suemoto T, Maeda J, Ji B, Ono M, Staufenbiel M, Suhara T, Saido TC.
FASEB J. 2011 Dec 15. [Epub ahead of print]
PMID:
22173972
[PubMed - as supplied by publisher]
Recent Research & Development for Selenium
Selenoprotein K binds multi-protein complexes and is involved in the regulation of ER homeostasis.
Shchedrina VA, Everley RA, Zhang Y, Gygi SP, Hatfield DL, Gladyshev VN.
J Biol Chem. 2011 Oct 20. [Epub ahead of print]
PMID:
22016385
[PubMed - as supplied by publisher]
Catalytic activity of selenomethionine in removing amino acid, peptide, and protein hydroperoxides.
Suryo Rahmanto A, Davies MJ.
Free Radic Biol Med. 2011 Oct 1. [Epub ahead of print]
PMID:
22015433
[PubMed - as supplied by publisher]
Combination of chemometrically assisted voltammetry, calorimetry, and circular dichroism as a new method for the study of bioinorganic substances: application to selenocystine metal complexes.
Gusmão R, Prohens R, Díaz-Cruz JM, Ariño C, Esteban M.
J Biol Inorg Chem. 2011 Oct 21. [Epub ahead of print]
PMID:
22015398
[PubMed - as supplied by publisher]
Marine and farmed fish on the Polish market: Comparison of the nutritive value and human exposure to PCDD/Fs and other contaminants.
Szlinder-Richert J, Usydus Z, Malesa-Ciecwierz M, Polak-Juszczak L, Ruczynska W.
Chemosphere. 2011 Oct 17. [Epub ahead of print]
PMID:
22014661
[PubMed - as supplied by publisher]
Dietary selenium reduces retention of methyl mercury in freshwater fish.
Bjerregaard P, Fjordside S, Hansen MG, Petrova MB.
Environ Sci Technol. 2011 Oct 20. [Epub ahead of print]
PMID:
22014184
[PubMed - as supplied by publisher]
Plant and fungal food components with potential activity on the development of microbial oral diseases.
Daglia M, Papetti A, Mascherpa D, Grisoli P, Giusto G, Lingström P, Pratten J, Signoretto C, Spratt DA, Wilson M, Zaura E, Gazzani G.
J Biomed Biotechnol. 2011;2011:274578. Epub 2011 Oct 17.
PMID:
22013381
[PubMed - in process]
Selenium, selenoproteins and the thyroid gland: interactions in health and disease.
Schomburg L.
Nat Rev Endocrinol. 2011 Oct 18. doi: 10.1038/nrendo.2011.174. [Epub ahead of print]
PMID:
22009156
[PubMed - as supplied by publisher]
Selenium inhibits migration of murine melanoma cells via down-modulation of IL-18 expression.
Song H, Kim J, Lee HK, Park HJ, Nam J, Park GB, Kim YS, Cho D, Hur DY.
Int Immunopharmacol. 2011 Oct 15. [Epub ahead of print]
PMID:
22008306
[PubMed - as supplied by publisher]
Detection, Identification, and Quantification of Selenoproteins in a Candidate Human Plasma Standard Reference Material.
Ballihaut G, Kilpatrick LE, Davis WC.
Anal Chem. 2011 Oct 18. [Epub ahead of print]
PMID:
22007999
[PubMed - as supplied by publisher]
Severe pre-eclampsia is associated with abnormal trace elements concentrations in maternal and fetal blood.
Katz O, Paz-Tal O, Lazer T, Aricha-Tamir B, Mazor M, Wiznitzer A, Sheiner E.
J Matern Fetal Neonatal Med. 2011 Oct 18. [Epub ahead of print]
PMID:
22007865
[PubMed - as supplied by publisher]
Effects of Selenium Supplements on Cancer Prevention: Meta-analysis of Randomized Controlled Trials.
Lee EH, Myung SK, Jeon YJ, Kim Y, Chang YJ, Ju W, Seo HG, Huh BY.
Nutr Cancer. 2011 Oct 17. [Epub ahead of print]
PMID:
22004275
[PubMed - as supplied by publisher]
Study of the correlation of serum selenium level with Behcet's disease.
Esalatmanesh K, Jamshidi A, Shahram F, Davatchi F, Masoud SA, Soleimani Z, Salesi M, Ghaffarpasand I.
Int J Rheum Dis. 2011 Oct;14(4):375-8. doi: 10.1111/j.1756-185X.2011.01649.x. Epub 2011 Sep 5.
PMID:
22004235
[PubMed - in process]
Multi-metal(loid) methylation in methanoarchaea is linked to central intermediates of methanogenesis.
Thomas F, Diaz-Bone RA, Wuerfel O, Huber B, Weidenbach K, Schmitz RA, Hensel R.
Appl Environ Microbiol. 2011 Oct 14. [Epub ahead of print]
PMID:
22003009
[PubMed - as supplied by publisher]
The Effects of Di(2-Ethylhexyl)Phthalate Exposure and Selenium Nutrition on Sertoli Cell Vimentin Structure and Germ-Cell Apoptosis in Rat Testis.
Erkekoglu P, Zeybek ND, Giray B, Asan E, Hincal F.
Arch Environ Contam Toxicol. 2011 Oct 16. [Epub ahead of print]
PMID:
22002783
[PubMed - as supplied by publisher]
A superoxide anion-scavenger, 1,3-selenazolidin-4-one suppresses serum deprivation-induced apoptosis in PC12 cells by activating MAP kinase.
Nishina A, Kimura H, Kozawa K, Sommen G, Nakamura T, Heimgartner H, Koketsu M, Furukawa S.
Toxicol Appl Pharmacol. 2011 Oct 2. [Epub ahead of print]
PMID:
22001386
[PubMed - as supplied by publisher]
Nutrition, dietary supplements and adenocarcinoma of the prostate.
Schultz C, Meier M, Schmid HP.
Maturitas. 2011 Oct 12. [Epub ahead of print]
PMID:
22001108
[PubMed - as supplied by publisher]
Interactions of Cu(I) with Selenium-Containing Amino Acids Determined by NMR, XAS, and DFT Studies.
Wang HC, Riahi M, Pothen J, Bayse CA, Riggs-Gelasco P, Brumaghim JL.
Inorg Chem. 2011 Oct 14. [Epub ahead of print]
PMID:
21999616
[PubMed - as supplied by publisher]
Effects of Basal Media and Supplements on Diethylstilbestrol-Treated Immature Mouse Primary Granulosa Cell Growth and Regulation of Steroidogenesis In Vitro.
Ding T, Luo A, Yang S, Lai Z, Wang Y, Shen W, Jiang J, Lu Y, Ma D, Wang S.
Reprod Domest Anim. 2011 Oct 15. doi: 10.1111/j.1439-0531.2011.01879.x. [Epub ahead of print]
PMID:
21999365
[PubMed - as supplied by publisher]
Demographic and lifestyle factors and selenium levels in men and women in the U.S.
Park K, Rimm E, Siscovick D, Spiegelman D, Morris JS, Mozaffarian D.
Nutr Res Pract. 2011 Aug;5(4):357-64. Epub 2011 Aug 31.
PMID:
21994531
[PubMed - in process]
New group 11 complexes with metal-selenium bonds of methyldiphenylphosphane selenide: a solid state, solution and theoretical investigation.
Pop A, Silvestru A, Gimeno MC, Laguna A, Kulcsar M, Arca M, Lippolis V, Pintus A.
Dalton Trans. 2011 Oct 13. [Epub ahead of print]
PMID:
21993712
[PubMed - as supplied by publisher]
Proud sponsors of Aeromat 2012. Please join us and our customers & co-sponsors Boeing and ATI on
June 18-20, 2012
in Charlotte, North Carolina
and smallest possible average grain sizes for use in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications. Our standard Sputtering Targets for thin film are available monoblock or bonded with dimensions and configurations up to 820 mm with hole drill locations and threading, beveling, grooves and backing designed to work with both older sputtering devises as well as the latest process equipment, such as large area coating for solar energy or fuel cells and flip-chip applications. Research sized targets are also produced as well as custom sizes and alloys. All targets are analyzed using best demonstrated techniques including X-Ray Fluorescence (XRF), Glow Discharge Mass Spectrometry (GDMS), and Inductively Coupled Plasma (ICP). "Sputtering" allows for thin film deposition of an ultra high purity sputtering metallic or oxide material onto another solid substrate by the controlled removal and conversion of the target material into a directed gaseous/plasma phase through ionic bombardment. "Sputtering" allows for thin film deposition of an ultra high purity sputtering metallic or oxide material onto another solid substrate by the controlled removal and conversion of the target material into a directed gaseous/plasma phase through ionic bombardment. We can also provide targets outside this range in addition to just about any size rectangular, annular, or oval target. Materials are produced using crystallization, solid state and other ultra high purification processes such as sublimation. American Elements specializes in producing custom compositions for commercial and research applications and for new proprietary technologies. American Elements also casts any of the rare earth metals and most other advanced materials into rod, bar or plate form, as well as other machined shapes and through other processes nanoparticles. We also produce Calcium as disc, granules, ingot, pellets, pieces, powder, and rod. Other shapes are available by request.
Calcium is a Block S, Group 2, Period 4 element. The number of electrons in each of Calcium's shells is 2, 8, 8, 2 and its electronic configuration is [Ar] 4s2. In its elemental form calcium's CAS number is 7440-70-2. The calcium atom has a radius of 197.4.pm and it's Van der Waals radius is 200.pm. Calcium is a reactive, soft metal. Calcium is a member of the alkaline earth elements. Calcium is an essential metal for living organisms and is non-toxic. Its primary commercial application is in its metallic form as a reducing 
agent in the production of other metals. In iron and steel production it is added to the melt to remove oxygen, sulfur and carbon. The various 
calcium compounds have wide application in food, pharmaceutical and cosmetics. It is used in small doses in alloys of copper and beryllium. It is used in dietary supplements and food production because it has been shown to improve bone and dental health. Calcium information, including Technical Data, Safety Data and its High Purity properties, research, applications and other useful facts are discussed here. Calcium was first discovered by Sir Humphrey Davy in 1808. The name calcium originates from the Latin word 'calics' meaning lime. See Calcium research below. 
Selenium is a Block P, Group 16, Period 4 element. The number of electrons in each of Selenium's shells is 2, 8, 18, 6 and its electronic configuration is [Ar] 3d10 4s2 4p4. In its elemental form selenium's CAS number is 7782-49-2. The selenium atom has a radius of 116.pm and it's Van der Waals radius is 190.pm. The EPA does not classify selenium as carcinogenic, although selenium sulfide 
is a probable carcinogen. Selenates and selenites which are compounds of selenium, are highly toxic. Hydrogen selenide gas (SeH2) is the most acutely toxic compound of selenium. Selenium exhibits both photovoltaic action, where light is converted directly into electricity, and photoconductive action, where the electrical resistance decreases with increased illumination. of photocells and exposure meters for photographic use, as 
well as solar cells. Below its melting point, selenium is a p-type semiconductor and has many uses in electronic and solid-state applications. Selenium is available as metal and compounds with purities from 99% to 99.9999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. Selenium was first discovered by Jons Berzelius in 1817. The origin of the name Selenium comes from the Greek word "Selênê" meaning moon. See selenium research below. 
