Heterocyclic amines
Mechanistic formation of hazardous molecular heterocyclic amines from high temperature pyrolysis of model biomass materials: cellulose and tyrosine
... There exist copious data regarding the thermal degra- dation of cellulose in literature [8–10] but the inventory for the mechanistic degradation of tyrosine and the cross reaction mechanisms during the co-pyrolysis of ...
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A review and meta-analysis of prospective studies of red and processed meat, meat cooking methods, heme iron, heterocyclic amines and prostate cancer
... There are numerous challenges to evaluating second- ary exposures such as heme iron and heterocyclic amines in prospective cohort studies. First, virtually all epidemio- logic studies included in this ...
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Design, Synthesis and Biological Evaluation of New Potentially Active Derivatives of Naproxen Linked to Heterocyclic Amines
... using heterocyclic amines like 2-amino thiazole, 2-aminobenzimidazole and 2- aminobenzothiazole may enhance the anti-inflammatory activity of Naproxen depending on the type of amine ...
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CLOVE (SYZYGIUM AROMATICUM L.) AND THEIR EFFECT ON THE FORMATION OF HETEROCYCLIC AMINES
... Heterocyclic amines (HCAs) are a group of toxic chemicals, play an important role in the etiology of human cancer which formed at high temperature during cooking meat and ...
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Cancer in Japan: Prevalence, prevention and the role of heterocyclic amines in human carcinogenesis
... Cancer mortality rate is increasing year by year in Japan. However, mortality rate among young people is decreasing in men and women as a whole, although some kind of can- cer, such as pancreatic cancer and breast cancer ...
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SYNTHESIS, PHYSICO-CHEMICAL AND SPECTRAL CHARACTERIZATION AND BIOLOGICAL STUDIES OF ADDUCTS OF BIS (O-PROPYLDITHIOCARBONATO)OXOVANADIUM (IV) WITH HETEROCYCLIC AMINES
... The appearance of molecular peak and thermal studies indicate that the adducts synthesized are monomeric in nature with a distorted octahedral geometry.. Of Chemistry for car[r] ...
5
The addition of heterocyclic amines to a nitro alkene : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science at Massey University
... The infrared spectrum exhibited two strong absorbances at 1755 and 1709 cm- 1 assigned to the two ester carbonyl groups, an absorbance at 1627 cm- 1 supporting the formation of an olefin[r] ...
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The addition of heterocyclic amines to a nitro alkene : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science at Massey University
... The synthesis of the novel oxoketopiperizine ring system would not only allow testing of the ring systems for their structure-activity relationships, but also extend the Michael addition[r] ...
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Corrosion Processes on Iron Electrode in Presence of Heterocyclic Amines
... Using cyclic voltammetric curves obtained at the iron electrode in sodium sulfate solutions of various concentrations from 0.3 to 1 M, it is established that the ionization current incre[r] ...
7
Comparison of the Ability of Myricetin and Quercetin to Modulate the Oxidative DNA Damage Induced by Heterocyclic Amines
... DNA Damage Strand Breaks and Oxidized Purines/Pyrimidines Induced by Simultaneous Treatment of 8-MeIQx, 4,8-di MeIQx or PhIP and Myricetin or Quercetin in the Alkaline Comet Assay Human [r] ...
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IMPORTANCE OF HETEROCYCLIC CHEMISTRY: A REVIEW
... Heterocyclic compunds are widely distributed in nature. Many are of fundamental importance to living systems: it is striking how often a heterocyclic compund is found as a key component in biological ...
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Amines' effect on CO2 removal efficiency
... of amines available and some of them are categorized as primary amines (MEA, DGA), secondary amines (DEA), tertiary amines (MDEA, TEA), hindered amines (AMP) and cyclic amines ...
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N-heterocyclic germylenes : structural characterisation of some heavy analogues of the ubiquitous N-heterocyclic carbenes
... The meteoric rise of the N-heterocyclic carbene (NHC) ligand family over the past 25 years has been remarkable with the ligands dominating the organometallic chemistry landscape. In particular, the carbenes based ...
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QUENCHING OF THE FLUORESENCES OF COUMARIN 1 BY AMINES
... water, DMF and DMSO solutions is quenched by the added aliphatic amines. Typical fluorescence spectra of C1 in water, DMF and DMSO solutions in the absence and presence of different concentrations of NBA are shown ...
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Mesoporous Silica: A Suitable Adsorbent for Amines
... On the other hand, it is known that preconcentration of amines through adsorption/desorption techniques is rather difficult. Adsorption of ammonia on different surfaces has been a subject of investigation since ...
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The adsorption of simple amines on platinum surfaces
... O ver the intervening years num erous techniques have been developed or adapted to probe the geometry and electronic structure o f surface systems, including low energy electron diffract[r] ...
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Oxidation of primary amines to ketones
... Finally, having developed effective conditions for the conversion of O-benzoyl hydroxylamines to the corre- sponding ketone we sought to discover if a one-pot method for the direct conversion of primary amines to ...
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Hydrogen bonding in primary aromatic amines
... aliphatic amines* They describe this as being due to coupling between the amine group and the adjacent CH groups* They support this argument by pointing out that it is more pronounced in aniline and its pi eta and ...
183
Studies of novel heterocyclic compounds
... The novel heterocyclic compound i.e. Oxadiazole-benzimidazole with pyrimidine fused derivatives (4a-e) were successfully synthesized. All the synthesize compounds structure were established on basis of analytical ...
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Metabolism of Epinephrine and Other Sympathomimetic Amines
... These observations provided strong evidence that, in rodents, 0-methylation is the first step in the metabolism of catecholamines in vivo, and that monoamine oxida[r] ...
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