Results 21 to 30 of about 1,075,830 (357)

Dynamic and static quenching of 2-aminopurine fluorescence by the natural DNA nucleotides in solution

open access: yesMethods and Applications in Fluorescence, 2020
2-aminopurine (2AP) is a responsive fluorescent base analogue that is used widely as a probe of the local molecular environment in DNA. The ability of 2AP to report changes in local conformation and base-stacking interactions arises from the efficient ...
Kyle A. Paterson   +2 more
semanticscholar   +1 more source

Binding of caffeine with nicotinamide: A study by means of fluorescence quenching and UV-Vis spectroscopic techniques

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2023
In this work, the binding of caffeine (CAF) with nicotinamide (NIC) has been investigated by means of fluorescence quenching and UV-Vis spectroscopic techniques.
Gebreyohanes Ataklti Abraha   +1 more
doaj   +1 more source

INVESTIGAÇÃO DA SUPRESSÃO DE FLUORESCÊNCIA DE SORO ALBUMINA BOVINA E HUMANA POR COMPLEXO DE RUTÊNIO

open access: yesQuímica Nova, 2015
The binding of [RuCl2(L)] (L = N,N-bis(7-methyl-2-pyridylmethylene)-1,3-diiminopropane) to bovine and human serum albumin was investigated by the fluorescence quenching technique.
Mariete B. Moreira   +5 more
doaj   +1 more source

Quenching of the fluorescence of NO2 [PDF]

open access: yesJournal of Photochemistry, 1972
The fluorescence yield of NO2 was monitored at 25 C with incident wavelengths of 4047, 4358, and 4800A at fluorescence wavelengths of 4860, 5577, and 6300A. The NO2 pressure was varied between 0.004 and 0.080 torr. Measurements were taken both in the absence of foreign gases and in the presence of up to 30 torr. He, N2, and O2 at each NO2 pressure.
Silvia Braslavsky, Julian Heicklen
openaire   +1 more source

A Fully Automated Continuous‐Flow Platform for Fluorescence Quenching Studies and Stern–Volmer Analysis

open access: yesAngewandte Chemie, 2018
Herein, we report the first fully automated continuous‐flow platform for fluorescence quenching studies and Stern–Volmer analysis. All the components of the platform were automated and controlled by a self‐written Python script.
Koen P. L. Kuijpers   +5 more
semanticscholar   +1 more source

Fluorescence of Alexa fluor dye tracks protein folding. [PDF]

open access: yesPLoS ONE, 2012
Fluorescence spectroscopy is an important tool for the characterization of protein folding. Often, a protein is labeled with appropriate fluorescent donor and acceptor probes and folding-induced changes in Förster Resonance Energy Transfer (FRET) are ...
Simon Lindhoud   +4 more
doaj   +1 more source

Fullerenol Quantum Dots-Based Highly Sensitive Fluorescence Aptasensor for Patulin in Apple Juice

open access: yesToxins, 2022
A highly selective and sensitive aptasensor for detecting patulin (PAT) was constructed based on the fluorescence quenching of fullerenol quantum dots (FOQDs) towards carboxytetramethylrhodamine (TAMRA) through PET mechanism. The π-π stacking interaction
Hua Pang   +9 more
doaj   +1 more source

Reaction Mechanism Spectroscopy Studies of Protein and Orange II

open access: yesChemical Engineering Transactions, 2015
In this paper, the interaction of Orange II and Human Serum Albumin was studied by fluorescence spectroscopy under simulated physiological conditions. The affection of pigment and serum albumin may cause changes in the microenvironment.
L. Fu   +4 more
doaj   +1 more source

Characterization of the Interactions between Minocycline Hydrochloride and Trypsin with Spectroscopic and Molecular Docking Technology

open access: yesMolecules, 2023
In the current study, the interaction of minocycline hydrochloride (MC) and trypsin (TRP) was studied using fluorescence spectroscopy, synchronous fluorescence spectroscopy, three-dimensional fluorescence spectroscopy, UV-Vis spectroscopy, and molecular ...
Xiaoxia Wang   +6 more
doaj   +1 more source

Anthracene Fluorescence Quenching by a Tetrakis (Ketocarboxamide) Cavitand

open access: yesJournal of Spectroscopy, 2014
Quenching of both fluorescence lifetime and fluorescence intensity of anthracene was investigated in the presence of a newly derived tetrakis (ketocarboxamide) cavitand at various concentrations.
Tibor Zoltan Janosi   +5 more
doaj   +1 more source

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