Results 21 to 30 of about 3,046 (174)

Pedicularis L. Genus. Systematics, botany, phytochemistry, chemotaxonomy, ethnopharmacology, and other [PDF]

open access: yes, 2019
In this review, the relevance of the plant species belonging to the Pedicularis L. genus has been considered from different points of view. Particular emphasis was given to phytochemistry and ethnopharmacology, since several classes of natural compounds ...
Bianco, Armandodoriano   +13 more
core   +1 more source

Comparison of hydroxyl radical formation in aqueous solutions at different ultrasound frequencies and powers using the salicylic acid dosimeter [PDF]

open access: yes, 2013
Ultrasonic frequencies of 20 kHz, 382 kHz, 584 kHz, 862 kHz (and 998 kHz) have been compared with regard to energy output and hydroxyl radical formation utilising the salicylic acid dosimeter. The 862 kHz frequency inputs 6 times the number of Watts into
Bremner, David H.   +2 more
core   +3 more sources

Photochemical ring closure of muconic acid anhydride [PDF]

open access: yesTetrahedron Letters, 1986
Abstract 2.5-Dimethyl muconic acid anhydride has been synthesized in three steps from catechol and transformed via a high yielding photochemical ring closure into cis-l,5-dimethyl-3-azabicyclo [3.2.0] heptane-2,4-dione.
Brodbeck, Heinz   +2 more
openaire   +1 more source

Biocatalytic production of adipic acid from glucose using engineered Saccharomyces cerevisiae

open access: yesMetabolic Engineering Communications, 2018
Adipic acid is an important industrial chemical used in the synthesis of nylon-6,6. The commercial synthesis of adipic acid uses petroleum-derived benzene and releases significant quantities of greenhouse gases.
Kaushik Raj   +5 more
doaj   +1 more source

Environmental benzene exposure assessment for parent-child pairs in Rouen, France [PDF]

open access: yes, 2003
International audienceThere is a lack of data on environmental benzene exposure in children. In this study, we compared personal benzene exposure and inhalation uptake in a group of children to those of their parents.
Bois, Frédéric Y.   +5 more
core   +3 more sources

A Concise Review of Chromatographic Methods for the Analysis of Benzene and its Metabolites [PDF]

open access: yes, 2006
Benzene is an important pollutant with carcinogenic potential. The main sources of benzene exposure include its unabated industrial use, gasoline vapors, emissions from engines and tobacco smoke.
Haseeb Ahmad Khan
core   +2 more sources

The relationship between urinary BTEX metabolites and residence setting among Korean homemakers: the first Korea National Environmental Health Survey (2009–2011)

open access: yesAnnals of Occupational and Environmental Medicine, 2017
Background Benzene, toluene, ethylbenzene, and xylene (BTEX) are emitted in the combustion or volatilization of hazardous wastes and fossil fuels. Paint, varnishing agents, and cigarette smoke are also sources of BTEX in living environments.
Hyoun Ho Oh   +6 more
doaj   +1 more source

The Role of CYP4502E1 Genetic Polymorphism on Benzene Metabolism [PDF]

open access: yes, 2017
The carcinogenic effect of benzene is associated with metabolites produced in benzene metabolism such as phenol, catechol, quinones, muconic acid (tt-MA), and phenyl mercapturic acid (s-PMA). The role of CYP4502E1 enzyme in
Hardiany, N. S. (Novi)   +3 more
core   +2 more sources

Solubility of Cis, Cis-Muconic Acid in Various Polar Solvents from 298.15 K to 348.15 K [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
The present work concerns with an investigation on the solubility of cis,cis-muconic acid dissolution in different polar solvents by characterizing and modeling the dissolution as a function of temperature. Water, ethanol, 2-propanol and acetic acid have
Simone Scelfo   +2 more
doaj  

Metabolites of traffic-related volatile organic compounds in age-related macular degeneration [PDF]

open access: yesPeerJ
Background Volatile organic compounds (VOCs), commonly emitted from vehicle exhaust and industrial activities, are prevalent air pollutants in urban environments.
Tatsuya Mimura, Hidetaka Noma
doaj   +2 more sources

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