Results 61 to 70 of about 46,992 (252)

AhR-mediated activities of polycyclic aromatic compound (PAC) mixtures are predictable by the concept of concentration addition

open access: yesEnvironment International, 2014
Risk assessments of polycyclic aromatic hydrocarbons (PAHs) are complicated because these compounds exist in the environment as complex mixtures of hundreds of individual PAHs and other related polycyclic aromatic compounds (PACs).
Maria Larsson   +2 more
doaj   +1 more source

Characterizations of Size-segregated Ultrafine Particles in Diesel Exhaust

open access: yesAerosol and Air Quality Research, 2020
Size-segregated ultrafine particles (UFPs) in diesel exhaust were investigated to characterize carbonaceous substances, metals, and organic compounds originating from a medium-duty diesel engine dynamometer using the 13 driving mode.
Jaehyun Lim, Cheolsoo Lim, Sungwoon Jung
doaj   +1 more source

Svjetlom do heteropolicikličkih spojeva; Reakcije supstituiranih furostilbena [PDF]

open access: yesKemija u Industriji, 2007
Synthetic organic photochemistry, the chemistry of excited states of a molecule, differs from the ground state chemistry and provides a simple pathway to complicated structures, heavily obtainable by a classic synthetic approach.
Šindler-Kulyk, M., Škorić, I.
doaj  

One-Pot Synthesis of Triazolobenzodiazepines Through Decarboxylative [3 + 2] Cycloaddition of Nonstabilized Azomethine Ylides and Cu-Free Click Reactions

open access: yesMolecules, 2019
A one-pot synthesis of triazolobenzodiazepine-containing polycyclic compounds is introduced. The reaction process involves a decarboxylative three-component [3 + 2] cycloaddition of nonstabilized azomethine ylides, N-propargylation, and intramolecular ...
Xiaoming Ma   +6 more
doaj   +1 more source

Chiral phosphoric acid catalyzed aminative dearomatization of α-naphthols/Michael addition sequence

open access: yesNature Communications, 2019
Catalytic asymmetric dearomatization (CADA) reactions readily convert common aromatic compounds to diverse 3D chiral, polycyclic molecules. Here, the authors report an intermolecular asymmetric dearomatization of nucleophile-tethered α-naphthols ...
Zi-Lei Xia   +3 more
doaj   +1 more source

Determination of Particles and Carcinogenic Compounds Emitted by Combustion of Diesel and Diesel:Biodiesel Blends

open access: yesProceedings, 2018
Among the main pollutants emitted into the atmosphere by diesel combustion are the particles. Most of the studies suggest that the greatest impact on health by the particles is caused by some of the organic compounds such as the polycyclic aromatic ...
Samantha Arteaga-Del Angel   +2 more
doaj   +1 more source

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