Results 51 to 60 of about 123,857 (304)

Mutagenicity assessment of aerosols in emissions from wood combustion [PDF]

open access: yes, 2011
Mestrado em Estudos AmbientaisPolycyclic aromatic hydrocarbon (PAH) extracts of PM2.5 collected from combustion of seven wood species and briquettes were tested for mutagenic activities using Ames test with Salmonella typhimurium TA98 and TA100.
Binh Ngan Vu
core   +1 more source

Asymmetric dearomatization/cyclization enables access to polycyclic chemotypes [PDF]

open access: yes, 2016
Enantioenriched, polycyclic compounds were obtained from a simple acylphloroglucinol scaffold. Highly enantioselective dearomatization was accomplished using a Trost ligand-palladium(0) complex.
Boyce   +30 more
core   +1 more source

Azaporphyrinoid‐Based Photo‐ and Electroactive Architectures for Advanced Functional Materials

open access: yesAdvanced Materials, EarlyView.
A long‐standing collaboration between the Torres and Guldi groups has yielded diverse azaporphyrinoid‐based donor‐acceptor nanohybrids with promising applications in solar energy conversion. This conspectus highlights key molecular platforms and structure‐function relationships that govern light and charge management, supporting the rational design of ...
Jorge Labella   +3 more
wiley   +1 more source

COMPUTER SIMULATION OF STRUCTURAL FRAGMENTS OF COAL ORGANIC MASS

open access: yesВестник Кемеровского государственного университета, 2014
Hybrid B3LYP and gradient SLYP functionals were used to reveal the structure of organic mass of coal within the density functional theory in the basis of local orbitals. For all modeled compounds a number of important characteristics was identified – the
A. N. Porohnov, Yu. N. Zhuravlev
doaj  

Electrochemical Radical Tandem Difluoroethylation/Cyclization of Unsaturated Amides to Access MeCF2-Featured Indolo/Benzoimidazo [2,1-a]Isoquinolin-6(5H)-ones

open access: yesMolecules
A metal-free electrochemical oxidative difluoroethylation of 2-arylbenzimidazoles was accomplished, which provided an efficient strategy for the synthesis of MeCF2-containing benzo[4,5]imidazo[2,1-a]-isoquinolin-6(5H)-ones.
Yunfei Tian   +6 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Microbial degradation of petrochemical waste-polycyclic aromatic hydrocarbons

open access: yesBioresources and Bioprocessing, 2017
Background Petrochemical industry is one of the fastest growing industries. This industry has immense importance in the growth of economy and manufacture of large varieties of chemicals.
M. H. Fulekar
doaj   +1 more source

Polycyclic Compounds by Ugi−Pictet−Spengler Sequence [PDF]

open access: yesThe Journal of Organic Chemistry, 2010
A general approach to architecturally stimulating polycyclic structures is described by a concise, two-step procedure including a Ugi MCR (multicomponent reaction) and a subsequent Pictet-Spengler reaction starting from phenylethylamine-derived isocyanides.
Wei, Wang   +3 more
openaire   +2 more sources

Natural Products Inspired Scaffold Diversification Leads to Unnatural Molecular Warhead and Covalent Strategy to Modulating Protein Function through Electrophilic Bromine Transfer

open access: yesAdvanced Science, EarlyView.
We report a new thiolate‐reactive α,α‐gem‐dibromo lactam warhead that activates transcription factor Nrf2 and demonstrates anti‐inflammatory activities, which have implications in cancer, neurodegeneration, and cardiovascular diseases. RNA‐seq illuminated detailed transcriptional profiles, and chemical reactions with cysteine‐containing compounds ...
Beau R. Brummel   +16 more
wiley   +1 more source

Evidence for PAH Removal Coupled to the First Steps of Anaerobic Digestion in Sewage Sludge

open access: yesInternational Journal of Chemical Engineering, 2013
Anaerobic degradation of polycyclic aromatic hydrocarbons has been brought to the fore, but information on removal kinetics and anaerobic degrading bacteria is still lacking.
Glenda Cea-Barcia   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy