2015
DOI: 10.1007/s00604-015-1599-0
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Computer assisted detection and quantification of single adsorbing nanoparticles by differential surface plasmon microscopy

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Cited by 32 publications
(29 citation statements)
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“…Once a nanoparticle has bound on the sensor surface, it causes a weak optical signal, which can be visualized only after some preprocessing [ 23 ]. The crucial step of this analysis is the formation of the differential record acting as a dynamic correction of the background and providing a possibility to compensate not only the static background signal but also some background drift.…”
Section: Resultsmentioning
confidence: 99%
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“…Once a nanoparticle has bound on the sensor surface, it causes a weak optical signal, which can be visualized only after some preprocessing [ 23 ]. The crucial step of this analysis is the formation of the differential record acting as a dynamic correction of the background and providing a possibility to compensate not only the static background signal but also some background drift.…”
Section: Resultsmentioning
confidence: 99%
“…The images with field of view of about 1.3–1.5 mm 2 were read at ~15 frames per second at full resolution by the Beagleboard-XM single-board computer, averaged over 16 consecutive frames and recorded by PC for further analysis by the homemade software. Initial version of this software was reported in [ 23 ] whereas the advanced version based on cluster analysis of images and template matching algorithms was presented in [ 27 ].…”
Section: Methodsmentioning
confidence: 99%
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“…Weitere Verbesserungen des Detektionslimits können durch Vergrößerung der Sensoroberfläche, Optimierung der Diffusionsbedingungen oder aktive Ansammlung der NPs nahe der Sensoroberfläche (z. B. durch Elektrophorese) erreicht werden.…”
Section: Figureunclassified
“…Aus thermodynamischen Gründen läuft der Auflösungs‐ und Schrumpfungsprozess, nachdem er einmal in Gang gesetzt wurde, bis zur vollständigen Auflösung des NP oder bis zum Verlust des elektrischen Kontaktes mit der Goldoberfläche ab. Über die komplette elektrochemische Auflösung von Ag‐NPs wurde bereits berichtet …”
Section: Figureunclassified