Its derivatives are also valuable molecular probes via fluorescence spectroscopy, having a high quantum yield and lifetime (0.65 and 410 nanoseconds, respectively, in ethanol at 293 K). Pyrene was the first molecule for which excimer behavior was discovered. (wikipedia.org)
Pyrene's fluorescence emission spectrum is very sensitive to solvent polarity, so pyrene has been used as a probe to determine solvent environments. (wikipedia.org)
NDLI: The excimer fluorescence of pyrene-labeled tropomyosin. (iitkgp.ac.in)
With K + , fluorescence emissions of the ligand scarcely change, while addition of Pb 2+ or Cu 2+ produces a remarkable change in both the excimer and monomer emissions. (ewha.ac.kr)
Collagen model peptides featuring the fluorophore pyrene at their N-termini have been synthesized, and their thermal denaturation has been examined using circular dichroism (CD) and fluorescence spectroscopies. (bvsalud.org)
Pyrene phospholipid in monolayer assemblies - Photoinduced electron transfer investigated by time-resolved fluorescence emission. (mpg.de)
Time-resolved monomer and excimer fluorescence of 1,3-di(1-pyrenyl)propane at different temperatures: No evidence for distributions from picosecond laser experiments with nanosecond time resolution. (mpg.de)
Monomer3
His study in Photochemistry is interdisciplinary in nature, drawing from both Excimer, Phosgene, Pyrene and Monomer. (research.com)
The bichromophoric pyrene derivative L2 presents two emission bands in solution, one corresponding to the monomer species and a red-shifted band attributable to the intramolecular excimer. (unl.pt)
Three and only three excited-state species (one monomer and two excimers) in 1,3-di(1-pyrenyl)propane. (mpg.de)
Emission2
Triple helices derived from such peptides show a broad excimer emission at â ¼480 nm, indicative of interaction between the pyrene units. (bvsalud.org)
This system exhibited an interesting ratiometric detection signal output for targeting cations and anions through switching the excimer emission of pyrene from the "on-off" to the "off-on" type in neutral solution. (uea.ac.uk)
Intramolecular2
The kinetic parameters for intramolecular excimer formation from the meso and racemic diastereoisomers of 2,4-DI(2-pyrenyl) pentane: Evidence for rapid conformer interconversion. (mpg.de)
Based on the experimental results, researchers have proposed several categories of signalling mechanisms for fluoride chemosensor, such as photo-induced electron transfer (PET), intramolecular charge transfer (ICT), excimer and exciplex formation, metal ligand charge transfer (MLCT), excited-state intramolecular proton transfer etc. [13-16]. (researchsquare.com)
Molecules1
However, these molecules can easily form excimers through packing because anthracene and pyrene have flat molecular structure that reduce EL efficiency and degrade color purity [ 11 ]. (springer.com)
Formation3
Lu, P 2009, ' Nucleic acid-induced aggregation and pyrene excimer formation ', Organic letters , vol. 11, no. 4302-5. (vu.nl)
Martins J, Arrais D, Manuel M . Can pyrene be localized inside lipid bilayers by simultaneously measuring Py values, and fulfilling the excimer formation conditions? . (ualg.pt)
Evidence for excimer formation upon direct excitation at λ 300 nm Recueil Des Travaux Chimiques Des Pays-Bas . (academictree.org)
Fluorescent2
A ratiometric fluorescent receptor with a C3 symmetric structure based on a pyrene-linked triazole-modified homooxacalix[3]arene (L) was synthesized and characterized. (uea.ac.uk)
A ratiometric fluorescent biosensor for Hg2+ is constructed from the MerR protein and a duplex DNA containing a pyrene excimer. (metu.edu.tr)
Behavior1
Loura LMS, Canto AMTMarti, Martins J . Sensing hydration and behavior of pyrene in POPC and POPC/cholesterol bilayers: A molecular dynamics study . (ualg.pt)
Probes1
The two systems synthesised combine the emissive probes pyrene and naphthyl with the good chelating properties of a tridentate SN2 donor-set from a thiophene Schiff-base ligand. (unl.pt)
Electron1
Pyrenes are strong electron donor materials and can be combined with several materials in order to make electron donor-acceptor systems which can be used in energy conversion and light harvesting applications. (wikipedia.org)
Dynamics1
The dynamics of silylene extrusion reaction was observed in polysilylene with Si branchings by using KrF excimer laser flash photolysis technique. (go.jp)
Affects1
It is now known that pyrene affects several living functions in fish and algae. (wikipedia.org)
Series1
Pyrene undergoes a series of hydrogenation reactions and is susceptible to halogenation, Diels-Alder additions, and nitration, all with varying degrees of selectivity. (wikipedia.org)
Show1
Experiments in pigs show that urinary 1-hydroxypyrene is a metabolite of pyrene, when given orally. (wikipedia.org)
Studies2
Although it is not as problematic as benzopyrene, animal studies have shown pyrene is toxic to the kidneys and liver. (wikipedia.org)
Many studies have investigated the use of anthracene and pyrene as blue core moiety since they have high photoluminescence (PL) and EL efficiencies. (springer.com)
Pyrene-determined annular/non-annular fluidity ratio and the DPH-determined bulk fluidity of the synaptosomal plasma membrane decreased in the amyloid beta(1-40)-infused rats. (nih.gov)
The ratio I(E)/I(M) is proportional to C/eta, where c is the microscopic concentration of the pyrene confined to the hydrocarbon region of the lipoprotein and eta is the microviscosity of that region. (houstonmethodist.org)
Derivatives2
Pyrene and its derivatives are used commercially to make dyes and dye precursors, for example pyranine and naphthalene-1,4,5,8-tetracarboxylic acid. (wikipedia.org)
9. 1-, 3-, 6-, and 8-Tetrasubstituted Asymmetric Pyrene Derivatives with Electron Donors and Acceptors: High Photostability and Regioisomer-Specific Photophysical Properties. (nih.gov)
Lipoproteins1
To 0.12 mg of pyrene labeled LDL, very low density lipoproteins (VLDL) or high density lipoproteins (HDL) were added increasing amounts of the various glycan preparations. (houstonmethodist.org)
Equilibrium1
Within the range of 60-100% DLPE where bilayer defects are known to coexist with bilayer and non-bilayer states, a prominent peak in the equilibrium constant and a concomitant dip in the excimer association constant at ∼80% DLPE were observed. (mssm.edu)
Reactions1
Pyrene undergoes a series of hydrogenation reactions and is susceptible to halogenation, Diels-Alder additions, and nitration, all with varying degrees of selectivity. (wikipedia.org)
Strong1
Pyrenes are strong electron donor materials and can be combined with several materials in order to make electron donor-acceptor systems which can be used in energy conversion and light harvesting applications. (wikipedia.org)
State1
The elusive S 2 state, the S 1 / S 2 splitting, and the excimer states of the benzene dimer. (unibe.ch)
Show1
Experiments in pigs show that urinary 1-hydroxypyrene is a metabolite of pyrene, when given orally. (wikipedia.org)