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Showing 1 to 12 of 40 entries
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Human exposure to aluminum.

Environmental geochemistry and health

Epstein SG.
PMID: 24202567
Environ Geochem Health. 1990 Mar;12(1):65-70. doi: 10.1007/BF01734050.

Aluminum is the third most abundant element in nature, accounting for nearly 8% of the Earth's crust. Because of its chemical activity, aluminum is not found naturally in its "free", or metallic, state. However, in its ionic or combined...

Laser-induced breakdown spectroscopy for quantitative spectrochemical analysis of geological materials: effects of the matrix and simultaneous determination.

Analytica chimica acta

Anzano JM, Villoria MA, Ruíz-Medina A, Lasheras RJ.
PMID: 17723596
Anal Chim Acta. 2006 Aug 11;575(2):230-5. doi: 10.1016/j.aca.2006.05.077. Epub 2006 Jun 02.

A microscopic laser-induced breakdown spectrometer was used to evaluate the analytical matrix effect commonly observed in the analysis of geological materials. Samples were analyzed in either the powder or pressed pellet forms. Calibration curves of a number of iron...

Aluminum bases for the highly chemoselective preparation of aryl and heteroaryl aluminum compounds.

Angewandte Chemie (International ed. in English)

Wunderlich SH, Knochel P.
PMID: 19142920
Angew Chem Int Ed Engl. 2009;48(8):1501-4. doi: 10.1002/anie.200804966.

Selective C-H activation with a series of neutral aluminum trisamide bases led to a wide range of polyfunctional aryl and heteroaryl aluminum reagents. Ester and cyano groups are stable under the reaction conditions for this direct alumination, and donor...

Synthesis and characterization of organoaluminum compounds containing quinolin-8-amine derivatives and their catalytic behaviour for ring-opening polymerization of epsilon-caprolactone.

Dalton transactions (Cambridge, England : 2003)

Shen M, Zhang W, Nomura K, Sun WH.
PMID: 19826733
Dalton Trans. 2009 Nov 07;(41):9000-9. doi: 10.1039/b910155a. Epub 2009 Aug 18.

Treatment of N-aryl-2-methylquinolin-8-amines (L1-L3) with one equivalent AlMe3 or AlEt3 afforded dialkyl aluminum compounds (C1-C5), whereas the stoichiometric reaction of 2-((2-(1H-benzo[d]imidazol-2-yl)quinolin-8-ylimino)methyl)phenols (L4-L6) with either AlMe3 or AlEt3 produced monoalkyl aluminum compounds (C6-C10). All the organoaluminum compounds were characterized by...

Aluminum-induced suppression of testosterone through nitric oxide production in male mice.

Environmental toxicology and pharmacology

Guo CH, Lin CY, Yeh MS, Hsu GS.
PMID: 21783460
Environ Toxicol Pharmacol. 2005 Jan;19(1):33-40. doi: 10.1016/j.etap.2004.02.009.

Excessive nitric oxide (NO) production in mice serum and testis due to aluminum (Al) exposure has been shown in previous studies. The aim of this study was to further investigate the role of NO on aluminum-suppressed testosterone level in...

Mechanism of immunopotentiation and safety of aluminum adjuvants.

Frontiers in immunology

Hogenesch H.
PMID: 23335921
Front Immunol. 2013 Jan 10;3:406. doi: 10.3389/fimmu.2012.00406. eCollection 2012.

Aluminum-containing adjuvants are widely used in preventive vaccines against infectious diseases and in preparations for allergy immunotherapy. The mechanism by which they enhance the immune response remains poorly understood. Aluminum adjuvants selectively stimulate a Th2 immune response upon injection...

8-Quinolinolato gallium complexes: iso-selective initiators for rac-lactide polymerization.

Inorganic chemistry

Bakewell C, White AJ, Long NJ, Williams CK.
PMID: 24138079
Inorg Chem. 2013 Nov 04;52(21):12561-7. doi: 10.1021/ic4016756. Epub 2013 Oct 18.

The synthesis and characterization of a series of 8-quinolinolato gallium complexes is presented, and the complexes are analogous to a series of aluminum complexes previously reported. The complexes have been shown to be active initiators for the ring-opening polymerization...

Efficient Aluminum Catalysts for the Chemical Conversion of CO.

ChemSusChem

Kim Y, Hyun K, Ahn D, Kim R, Park MH, Kim Y.
PMID: 31321914
ChemSusChem. 2019 Sep 20;12(18):4211-4220. doi: 10.1002/cssc.201901661. Epub 2019 Aug 09.

A series of dimeric aluminum compounds [Al(OCMe

Regio- and chemoselective direct generation of functionalized aromatic aluminum compounds using aluminum ate base.

Journal of the American Chemical Society

Uchiyama M, Naka H, Matsumoto Y, Ohwada T.
PMID: 15327295
J Am Chem Soc. 2004 Sep 01;126(34):10526-7. doi: 10.1021/ja0473236.

A regio- and chemoselective direct method for generation of functionalized aromatic aluminum compounds through deprotonative directed ortho-alumination using triisobutyl(tetramethylpiperidino)aluminate (iBu3Al(TMP)Li), prepared by mixing of triisobutylaluminum (iBu3Al) and lithium tetramethylpiperidide (LTMP) in THF, has been developed. Deprotonative alumination of various...

Elevated IgG Antibody to Aluminum Bound to Human Serum Albumin in Patients with Crohn's, Celiac and Alzheimer's Disease.

Toxics

Vojdani A.
PMID: 34564363
Toxics. 2021 Sep 04;9(9). doi: 10.3390/toxics9090212.

Aluminum is in our water and food, and is used as an adjuvant in vaccines. About 40% of the ingested dose accumulates within the intestinal mucosa, making the gut the main target of inflammation and autoimmunity; about 1% accumulates...

The First Structurally Characterized Aluminum Compounds with Terminal Acetylide Groups This work was supported by the Deutsche Forschungsgemeinschaft. N.C.M.-Z. thanks the Schweizerischer Nationalfonds for a fellowship.

Angewandte Chemie (International ed. in English)

Zheng W, Mösch-Zanetti NC, Roesky HW, Hewitt M, Cimpoesu F, Schneider TR, Stasch A, Prust J.
PMID: 11028045
Angew Chem Int Ed Engl. 2000 Sep 01;39(17):3099-3101. doi: 10.1002/1521-3773(20000901)39:17<3099::aid-anie3099>3.0.co;2-w.

No abstract available.

Reactions of amides with organoaluminum compounds: factors affecting the coordination mode of aluminum amidates.

Inorganic chemistry

Huang BH, Yu TL, Huang YL, Ko BT, Lin CC.
PMID: 12033910
Inorg Chem. 2002 Jun 03;41(11):2987-94. doi: 10.1021/ic011072+.

Factors affecting the coordination mode of an amidato group on aluminum will be presented. The reaction of N-tert-butylalkylacetamide ((t)BuNHCR([double bond]O)) with 1.1 molar equiv of Me(3)Al in refluxing hexane affords a pentacoordinated, dimeric compound [Me(2)Al[eta(2)-(t)BuNC(R)(mu(2)-O)]](2) (3, R = p-(t)Bu-C(6)H(4);...

Showing 1 to 12 of 40 entries