Results 251 to 260 of about 220,378 (310)
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Amines in foods

C R C Critical Reviews in Food Science and Nutrition, 1978
Amines represent a class of compounds which historically have been associated with fishery products and cheese; however, this review clearly demonstrates that their occurrence is widespread in our food supply. In addition, their formation pathways, methods of isolation and identification, and sensory properties are discussed.
Joseph A. Maga, Ira Katz
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Analysis of amines

2020
Biogenic amines (BAs) are among the most common nitrogenous compounds, widely present in plants, microbes and animal cells. Although BAs play an important role in regulating a number of important biological functions in the human body, overuse of certain bases can cause serious toxicological effects.
A. Kabir   +6 more
openaire   +1 more source

Amines in schizophrenia

Biochemical Pharmacology, 1973
Publisher Summary This chapter discusses amines in schizophrenia. Effects of phenothiazines upon brain catecholamines would be relevant to schizophrenia only if the phenothiazine drugs exerted a selective antischizophrenic action, so that their primary site of action might be assumed to play a prominent role in brain dysfunction in schizophrenia ...
SOLOMON H. SNYDER, SHAILESH P. BANERJEE
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Mono/Dual Amination of Phenols with Amines in Water

Organic Letters, 2020
We herein describe a practical direct amination of phenols through a palladium-catalyzed hydrogen-transfer-mediated activation method to synthesize the secondary and tertiary amines. In this conversion, environmentally friendly water and inexpensive ammonium formate were used as solvent and reductant, respectively.
Wanyi Liang   +7 more
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Amine–Amine Exchange in Aminium–Methanesulfonate Aerosols

The Journal of Physical Chemistry C, 2014
Aerosol particles are ubiquitous in the atmosphere and have been shown to impact the Earth’s climate, reduce visibility, and adversely affect human health. Modeling the evolution of aerosol systems requires an understanding of the species and mechanisms involved in particle growth, including the complex interactions between particle- and gas-phase ...
Matthew L. Dawson   +7 more
openaire   +1 more source

Catalytic CH Amination with Aromatic Amines

Angewandte Chemie, 2012
Aniline joins the club: A β-diketiminato copper(I) catalyst enables C-H amination of anilines employing low catalyst loadings to preclude oxidation to the diazene ArN=NAr. Electron-poor anilines are particularly resistant towards diazene formation and participate in the amination of strong and unactivated C-H bonds. N-alkyl anilines also take part in C-
Raymond T, Gephart   +5 more
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Development of an Amine Dehydrogenase for Synthesis of Chiral Amines

Angewandte Chemie International Edition, 2012
A leucine dehydrogenase has been successfully altered through several rounds of protein engineering to an enantioselective amine dehydrogenase. Instead of the wild-type α-keto acid, the new amine dehydrogenase now accepts the analogous ketone, methyl isobutyl ketone (MIBK), which corresponds to exchange of the carboxy group by a methyl group to produce
Michael J, Abrahamson   +4 more
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Amine Oxidases and Tumors

NeuroToxicology, 2004
The physiological function in living organisms of amine oxidases, is not completely established but is certainly related to the biogenic amines metabolism and therefore involved in essential processes such as the cell growth and differentiation. A correlation between degree of tumor malignancy and level of AO activity has been reported.
PIETRANGELI, Paola, MONDOVI', Bruno
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Allylic Amination

Chemical Reviews, 1998
Mogens, Johannsen   +1 more
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