fluorescent dye

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Related to Fluorophore: fluorescein
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Synonyms for fluorescent dye

a yellow dye that is visible even when highly diluted

References in periodicals archive ?
The present work uses fluorescein as the model fluorophore and points Out critical steps in the use of MESF (Molecules of Equivalent Soluble Fluorophores) values for quantitative flow cytometric measurements.
These extremely high polarization ratios show that the resonance vectors of the dichroic fluorophores are oriented parallel to the long crystal axis, and that there is little loss of energy or alignment during fluorescence excitation and emission.
4) introduce a different application of single-molecule fluorophore detection, this time to the field of diagnostics.
The growth has been driven by the rapid developments in fluorophore conjugation chemistry (2) and by the high inherent sensitivity of fluorescence measurement (down to a few hundred fluorophores or less) (3, 4).
Multiplexing by this approach is, however, limited by this fluorophore differentiability issue, with most instruments being capable of resolving six or fewer simultaneous channels or reactions.
A team of researchers from Nagoya University and the Japan Science and Technology Agency developed a new probe design based on Cy3 as the fluorophore.
In self-quenching, high concentrations of a fluorophore can increase the likelihood of collisions between two excited state molecules.
The authors used a special set of fluorescence probes to measure the transfer of the emission energy of one fluorophore to the fluorophore of its related pair in a technique called the Forster resonance energy transfer (FRET).
Various fluorophore compounds absorb light of a specific wavelength and re-emit light at longer wavelengths.
When a fluorophore is attached to a DNA strand, the resulting emission that signals the presence of such metallic ions serves as a practical molecular biosensor.
Maximum energy transfer or the maximum FRET is dependent on the distance between the donor and the acceptor fluorophore (closer the probes = maximum energy transfer = Maximum FRET).
Besides, eight parametric maps of the illuminated skin spot are available: epidermal melanin distribution, dermal melanin distribution, total haemoglobin distribution, bilirubin distribution, erythema index map, fluorescence intensity distribution, map of fluorophore clusters (derived from the image of photobleaching rates [9]), and skin blood perfusion map.
We assumed that the use of hydrophilic fluorophores would result in fluorophore leakage from the beads and would complicate assay outcomes.
In order to estimate the absolute brightness of a fluorophore, it is necessary to measure the absolute quantum yield at one wavelength, for example 490 nm.
The fluorescence spectroscopy technique can provide insights into the environment, structure, and dynamics of fluorophore probes that are either covalently bound or freely doped into the polymer system (1).