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The aluminium salt, when ingested, binds to phosphate in the intestines and reduce the amount of phosphorus that can be absorbed. [23] [24] Precipitated aluminium hydroxide is included as an adjuvant in some vaccines (e.g. anthrax vaccine). One of the well-known brands of aluminium hydroxide adjuvant is Alhydrogel, made by Brenntag Biosector.
In immunology, an adjuvant is a substance that increases or modulates the immune response to a vaccine. [ 1 ] The word "adjuvant" comes from the Latin word adiuvare, meaning to help or aid. "An immunologic adjuvant is defined as any substance that acts to accelerate, prolong, or enhance antigen-specific immune responses when used in combination ...
Aluminium sulfate may be used as a deodorant, an astringent, or as a styptic for superficial shaving wounds. [citation needed] Aluminium sulfate is used as a mordant in dyeing and printing textiles. It is a common vaccine adjuvant and works "by facilitating the slow release of antigen from the vaccine depot formed at the site of inoculation."
AS04. Adjuvant System 04 or AS04 is a trade name for a combination of adjuvants used in various vaccine products by GlaxoSmithKline, [ 1 ] in particular the Fendrix [ 2 ] hepatitis B vaccine and Cervarix [ 3 ] human papillomavirus (HPV) vaccine. It consists of aluminium hydroxide and monophosphoryl lipid A (MPL).
The aluminium based Meerwein–Ponndorf–Verley reduction can be performed on prochiral ketones leading to chiral alcohols. The three main ways to achieve the asymmetric reduction is by use of a chiral alcohol hydride source, use of an intramolecular MPV reduction, or use of a chiral ligand on the aluminium alkoxide.
Organoaluminium chemistry is the study of compounds containing bonds between carbon and aluminium. It is one of the major themes within organometallic chemistry. [1][2] Illustrative organoaluminium compounds are the dimer trimethylaluminium, the monomer triisobutylaluminium, and the titanium-aluminium compound called Tebbe's reagent.
Oppenauer oxidation mechanism. In the first step of this mechanism, the alcohol (1) coordinates to the aluminium to form a complex (3), which then, in the second step, gets deprotonated by an alkoxide ion (4) to generate an alkoxide intermediate (5). In the third step, both the oxidant acetone (7) and the substrate alcohol are bound to the ...
The Tishchenko reaction is an organic chemical reaction that involves disproportionation of an aldehyde in the presence of an alkoxide. The reaction is named after Russian organic chemist Vyacheslav Tishchenko, who discovered that aluminium alkoxides are effective catalysts for the reaction. [ 1 ][ 2 ][ 3 ] In the related Cannizzaro reaction ...