Fluorescent‐Probe Characterization for Pore‐Space Mapping with Single‐Particle Tracking

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Abstract: Porous solids often contain complex pore networks with pores of various sizes. Tracking individual fluorescent probes as they diffuse through porous materials can be used to characterize pore networks at tens of nanometers resolution. However, understanding the motion behavior of fluorescent probes in confinement is crucial to reliably derive pore network properties. Here, we introduce well‐defined lithography‐made model pores developed to study probe behavior in confinement. We investigated the influence of probe‐host interactions on diffusion and trapping of confined single‐emitter quantum‐dot probes. Using the pH‐responsiveness of the probes, we were able to largely suppress trapping at the pore walls. This enabled us to define experimental conditions for mapping of the accessible pore space of a one‐dimensional pore array as well as a real‐life polymerization‐catalyst‐support particle.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Fluorescent‐Probe Characterization for Pore‐Space Mapping with Single‐Particle Tracking ; day:20 ; month:12 ; year:2023 ; extent:7
Angewandte Chemie ; (20.12.2023) (gesamt 7)

Creator: González, Rafael Mayorga
Maris, J. J. Erik
Wagner, Marita
Ganjkhanlou, Yadolah
Bomer, Johan G.
Werny, Maximilian J.
Rabouw, Freddy T.
Weckhuysen, Bert
Odijk, Mathieu
Meirer, Florian

DOI: 10.1002/ange.202314528

URN: urn:nbn:de:101:1-2023122114144108614676

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:30 AM CEST

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Associated

González, Rafael Mayorga
Maris, J. J. Erik
Wagner, Marita
Ganjkhanlou, Yadolah
Bomer, Johan G.
Werny, Maximilian J.
Rabouw, Freddy T.
Weckhuysen, Bert
Odijk, Mathieu
Meirer, Florian

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