Elimination of quenching effects in luminescence spectrometry by phase resolution

Demas, J. N.; Jones, W. M.; Keller, Richard A.

doi:10.1021/ac00121a026

Cited by 11 publications

(2 citation statements)

References 12 publications

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“…The preexponential factor (A) can provide a measure of analyte concentration with very good detection limits even in the presence of quenching and scattering or fluorescence errors. When the sample is excited with a short-duration light pulse, the preexponential factor is directly related to the concentration of the luminescent species and is independent of quenching errors (4,5).…”

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confidence: 99%

An error analysis of the rapid lifetime determination method for the evaluation of single exponential decays

Ballew¹,

Demas²

1989

Anal. Chem.

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242

178

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A spectrum compression algorithm Is described that reduces the computer media storage space required for 4-cm"1-resolutlon digitized Infrared vapor-phase spectra by 95% with minimal loss of structural Information content. Spectra can be reconstructed from compressed data for library searching, visual comparison, and subtraction. Fourier self-deconvolution Is used to resolve overlapping bands, and a curve-fitting process Is used to calculate and store Intensity, location, and width of Identified absorbance bands. The algorithm Is evaluated by comparisons between the EPA vapor-phase Infrared library and reconstructed spectra.

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mentioning

confidence: 99%

An error analysis of the rapid lifetime determination method for the evaluation of single exponential decays

Ballew¹,

Demas²

1989

Anal. Chem.

Self Cite

242

178

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“…The method even tolerates low levels of ambient light and displacements in the optical setup in the time period between calibration and actual measurements. 93,99 In contrast to the DLR method, the rapid lifetime determination is not affected by effects of photobleaching. Even if the fluorophore has lost 50% of its luminescence intensity due to bleaching, the relative intensities in the two gates A 1 and A 2 are reduced to the same extent.…”

Section: Rapid Lifetime Determination (Rld)mentioning

confidence: 99%

Multiple fluorescent chemical sensing and imaging

2010

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Optical sensors, unlike most others, enable multiple sensing of (bio)chemical species by making use of probes whose signals can be differentiated by spectral and/or temporal resolution. Multiple sensors are of substantial interest for continuous monitoring of chemical parameters in complex samples such as blood, bioreactor fluids, in the chemical industry, aerodynamic research, and when monitoring food quality control, to mention typical examples. Moreover, such sensors enable non-invasive, non-toxic and online detection. We discuss in this critical review the state of the art in terms of spectroscopic principles, materials (mainly indicator probes and polymers), and give selected examples for dual and triple sensors along with a look into the future (109 references).

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Fluorescence Sensing and Imaging Using Pressure-Sensitive Paints and Temperature-Sensitive Paints

Stich

Wolfbeis

Standardization and Quality Assurance in Fluorescence Measurements I

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Elimination of quenching effects in luminescence spectrometry by phase resolution

Cited by 11 publications

References 12 publications

An error analysis of the rapid lifetime determination method for the evaluation of single exponential decays

An error analysis of the rapid lifetime determination method for the evaluation of single exponential decays

Multiple fluorescent chemical sensing and imaging

Fluorescence Sensing and Imaging Using Pressure-Sensitive Paints and Temperature-Sensitive Paints

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