Fluorescence quenching
J. Braz. Chem. Soc. vol.25 número1
... that fluorescence quenching for all compounds may be related to the stronger π-electron acceptor character of the naphthoquinone compared to that of the coumaryl ...
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Evaluation of the binding of vanadium-based anticancer drugs to human serum proteins
... HSA fluorescence depicts a quite significant decrease which means that the fluorescence quenching is concentration-dependent and that V IV O(oda)(bipy) is close enough to the tryptophan ...the ...
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Quenching of the intrinsic fluorescence of bovine serum albumin by chlorpromazine and hemin
... the fluorescence quenching ...specificity. Quenching of the intrinsic fluorescence of bovine serum albumin (BSA) was observed by selectively exciting tryp- tophan residues at 290 ...the ...
6
Measuring atmospheric naphthalene with laser-induced fluorescence
... PAHs in the atmosphere have been measured mostly by chromatographic techniques (e.g. Fraser et al., 1998; Cam et al., 2000; Williamson et al., 2002) and more recently by pro- ton transfer reaction-mass spectrometry ...
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Comparative EPR and fluorescence conformational studies of fully active spin-labeled melanotropic peptides
... Toac fluorescence quenching of the Trp residue present in the peptides, indicate a more rigid and folded structure for the potent analogue as compared to the hormone, in aqueous ...
5
Morphoanatomy and physiology of Pouteria gardneriana Radlk plantlets grown in vitro at varied photosynthetic photon flux densities
... Maximum quantum yield (Fv/Fm), photochemical quenching (qP), non-photochemical fluorescence quenching (NPQ), effective quantum yield (ΔF/Fm’) and electron transport rate (ETR) in the le[r] ...
8
Prediction of Sulfur Content in DieselBiodiesel Blends Using LED-Induced Fluorescence Associated with Multivariate Calibration
... Two regression models were developed in this study. Each PLS model was built using mean-centered fluorescence spectra as independent variables and the measured corresponding values of sulfur content. The ...
6
Software for simulation of luminescence quenching mechanism: the stern-volmer kinetic model.
... SOFTWARE FOR SIMULATION OF LUMINESCENCE QUENCHING MECHANISM: THE STERN–VOLMER KINETIC MODEL. A software that includes both Stochastic and Molecular Dynamics procedures has been developed with the aim of ...
6
Reviewing Microbial Behaviors in Ecosystems Leading to a Natural Quorum Quenching Occurrence
... quorum quenching. Acting in the exact opposite way, quorum quenching interferes or degrades the autoinducers confusing and stopping communication, hence affecting transcriptional regulation and expression ...
12
Flashing LEDs for microalgal production
... Key words: Linear electron transfer chain; pulsed artificial light; light attenuation, 11.. photosynthesis; microalgae; non-photochemical quenching..[r] ...
28
Estudo da interacção do decavanadato com bicamadas lipídicas
... É possível verificar-se que os valores de intensidade de fluorescência na ausência de decavanadato é muito inferior ao constatado para os ensaios sem a adição do sal o que torna estes ensaios inválidos para a ...
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Orientador: Rui Manuel Freitas Oliveira, Professor Associado, FCT-UNL Co-orientador: Anton Glieder, Professor, IMB-TU Graz
... first, the positive controls were created. To do so, the genomic wild type sequences of the P. pastoris promoters were amplified using the following three primers groups: CAT-core and CAT-CRM-forw, DAS-core and ...
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Spectroscopic studies on the interaction of efonidipine with bovine serum albumin
... The fluorescence quench- ing technique is often used to monitor the molecular inter- actions because of its high sensitivity, reproducibility and relatively easy use ...the fluorescence probe 8- ...
7
Modulated Chl a fluorescence: Modulated Chl a
... a fluorescence transients: Polyphasic Chl a fluorescence transients were measured with a direct fluorometer (handy PEA, hansatech Instruments, Kings Lynn, UK) at 48 ...All fluorescence measurements ...
9
Comparison of different techniques for mouse transgenesis Joana Paula de Assunção Almeida
... The brains were submitted to immunohistochemistry using antibodies to tag dopaminergic neurons (red fluorescence) and EYFP (ChR2; yellow-green fluorescence), exactly as described in th[r] ...
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Fluorescence in situ hybridization (FISH)
... Dental caries is a chronic progressive disease occurring in the tooth hard tissue due to multiple factors, in which bacteria are the initial cause. Both Streptococcus mutans and Streptococcus sanguinis are main members ...
8
BENEFICIAMENTO DO QUARTZO DE TANHAÇU/BA VISANDO A PREPARAÇÃO DE SILÍCIO GRAU METALÚRGICO DE ALTA PUREZA
... de quenching e moagem por 2 h, são indispensáveis à purificação da amostra de quartzo de Tanhaçu/BA, uma vez que a avaliação dos resultados obtidos por meio das análises de DRX e ICP-OES, indicam um significativo ...
6
Effect of Quenching Media on Mechanical Properties for Medium Carbon Steel
... The effect of heat treatments on microstructure and mechanical properties of EN - 31 and EN-8 carbon steel are being studied. Further both the carbon steels are compared on the basis of their mechanical properties as ...
9
Rev. Bras. Hematol. Hemoter. vol.36 número1
... using fluorescence reticulocyte intensity (low [LFR], medium [MFR], and high [HFR] fluorescence reticulocyte indexes) instead of RMI in order to improve the characterization of iron deficiency anemia ...
2
An integrated model of soil-canopy spectral radiance observations, photosynthesis, fluorescence, temperature and energy balance
... Research (NWO), SRON project number EO-071, and partly by the study “Impact assessment of solar induced vegetation fluorescence observations from space for improving dynamic veg- etation models” for the European ...
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