ArticleJournal of fluorescence2011
Prism-based spectral imaging of single-molecule fluorescence from gold-nanoparticle/fluorophore complex.
Article in Journal of fluorescence, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Prism-based spectral imaging of four species of single-molecule fluorophores by using one excitation laser.Journal of fluorescence · 2013Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A wavelength-calibration method for prism-based spectral imaging of single-molecule (SM) fluorescence was developed. With this method, a wavelength reference is provided by photoluminescence from 50-nm-diameter gold nanoparticles (AuNPs) binding with fluorophores. The AuNPs each bound with a SM fluorophore, either Alexa488 or Cy3, to form AuNP/fluorophore complexes in tris-HCl buffer. Each complex was immobilized on a silica slide and then excited by total-internal-reflection illumination to make it emit SM fluorescence and AuNP photoluminescence. The portion of the AuNP photoluminescence transmitted by a band-pass filter gives the wavelength reference. A spectral-imaging system composed of a prism-based spectroscope (with a reciprocal dispersion of about 4 nm/μm) and a charge-coupled device with 6.45-μm-square pixels was used to obtain an SM-fluorescence spectrum and a wavelength-reference spectrum. Through smoothed differentiation of these two spectra, the peak location of the former in relation to the latter was determined with subpixel precision. After that, the SM fluorophore was classified as either Alexa488 or Cy3 according to the peak location. The error rate of the classification was estimated to be only 0.3%.
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Registered trials
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