Results 31 to 40 of about 34,037 (255)
Toxicokinetics and bioconcentration of polycyclic aromatic hydrocarbons in freshwater isopods [PDF]
, 1999 A novel method based on a first-order two-compartment model was used to determine the bioconcentration and toxicokinetic rate constants of six different polycyclic aromatic hydrocarbons (PAHs) in the freshwater isopod Asellus aquaticus, a common species ...
Cid Montañés, J.F., Hattum, A.G.M. van
core +3 more sources
East European Journal of Physics, 2023 This work investigates computationally the spectroscopic and thermodynamics properties of the perylene molecule (C20H12) in the gas phase by utilizing a semi-empirical method [Hyper Chem8.0 and WinMopac7.0] programs, via (MNDO-PM3).
Abdul Hakim Sh. Mohammed +3 more
doaj +1 more source
Annelated perylenes: benzenoid molecules violating the Kekulé-structure-based cyclic conjugation models [PDF]
Journal of the Serbian Chemical Society, 2005 Several currently used models for assessing the extent of cyclic conjugation in benzenoid hydrocarbons, all based on Kekulé-type structural formulas, predict that there is no cyclic conjugation in the central, “empty”, ring of perylene and its annelated ...
IVAN GUTMAN +4 more
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A versatile standard for bathochromic fluorescence based on intramolecular FRET. [PDF]
, 2011 A perylene and a terrylene tetracarboxylic bisimide dyad was prepared in which an efficient energy transfer from the former to the latter is observed. The absorption spectrum of this compound covers a broad range.
Adachi +25 more
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New developments in the synthesis of emicoron [PDF]
, 2018 This paper reports on the modification of two synthetic steps in the usual protocol used for obtaining EMICORON. EMICORON is a benzo[ghi]perylen-diimide, which was synthesized for the first time in our laboratory in 2012, and has shown to have in vivo ...
Bianco, Armandodoriano +5 more
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Beilstein Journal of Organic Chemistry, 2017 The covalent attachment of organic fluorophores in mesoporous silica matrices for usage as energy down converting phosphors without employing inorganic transition or rare earth metals is reported in this article.
Markus Börgardts, Thomas J. J. Müller
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Effect of benzocyclobutadieno-annelation on cyclic conjugation in perylene
Macedonian Journal of Chemistry and Chemical Engineering, 2011 Earlier studies showed that the intensity of cyclic conjugation in the central ring R of perylene can be significantly altered by means of benzo-annelation. In particular, linear (resp. angular) benzoannelation was found to decrease (resp.
Ivan Gutman, Beba Stojanovska
doaj +1 more source
Spectroscopy of PTCDA attached to rare gas samples: clusters vs. bulk matrices. I. Absorption spectroscopy [PDF]
, 2012 The interaction between PTCDA (3,4,9,10-perylene-tetracarboxylic-dianhydride) and rare gas or para-hydrogen samples is studied by means of laser-induced fluorescence excitation spectroscopy.
Bünermann, O. +7 more
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Molecules, 2023 Perylenylethynyl derivatives have been recognized as broad-spectrum antivirals that target the lipid envelope of enveloped viruses. In this study, we present novel perylenylethynylphenols that exhibit nanomolar or submicromolar antiviral activity against
Kseniya A. Mariewskaya +18 more
doaj +1 more source
Coarse-grained interaction potentials for polyaromatic hydrocarbons [PDF]
, 2005 Using Kohn-Sham density functional theory (KS-DFT), we have studied the interaction between various polyaromatic hydrocarbon molecules. The systems range from mono-cyclic benzene up to hexabenzocoronene (hbc).
Craig D. P. +3 more
core +2 more sources