Förster resonance energy transfer within single chain nanoparticles

Maag, Patrick H.; Feist, Florian; Frisch, Hendrik; Roesky, Peter W.; Barner-Kowollik, Christopher

doi:10.1039/d3sc06651g

Chem. Sci.

2024

DOI: 10.1039/d3sc06651g

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Förster resonance energy transfer within single chain nanoparticles

Patrick H. Maag,

Florian Feist,

Hendrik Frisch

et al.

Abstract: Single chain nanoparticles (SCNPs) are a highly versatile polymer architecture consisting of single polymer chains that are intramolecularly crosslinked. Currently, SCNPs are discussed as powerful macromolecular architectures for catalysis, delivery...

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Cited by 2 publications

References 41 publications

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Carbon-Nanodot-Based Bicontinuous Particles for FRET-Based pH Sensing

Nayak,

Banerjee,

Kamra

et al. 2024

ACS Appl. Nano Mater.

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Developing smart materials capable of sensing different pH levels is crucial for a wide range of practical applications. Sensors utilizing the Forster resonance energy transfer (FRET) modulation mechanism allow sensitive, robust, and environment-independent detection of analytes. Traditional ratiometric FRET platforms encompass a combination of smallmolecule/macromolecular dyes or heterogeneous nanomaterials. In situ production of a heterogeneous FRET pair in a single scaffold would greatly simplify the fabrication of solid-state ratiometric platforms, providing an efficient, robust, and photostable device. We introduce a distinct approach to one-step synthesis of a porous organic polymer (POP)-based FRET system for monitoring the pH of a solution and vapors. Using hydrothermal condensation polymerization, soluble precursor monomers are heavily cross-linked to produce POPs. Concurrently, complete carbonization leads to the formation of carbon dots (CDs) that are homogeneously distributed in the POP matrix through imine linkages. This unique bicontinuous POP−CD composite (POP-Dot) features energy transfer from CD to the POP, which is pH-sensitive due to imine bond protonation. Besides the instantaneous change in the color and FRET signal in response to pH modulation, the POP-Dot scaffold exhibits excellent reversibility in both aqueous dispersion and solid state. Notably, POP-Dots demonstrated high sensitivity to the dynamic pH change through a natural antagonistic enzyme pair. Altogether, the straightforward synthesis of a FRET system precluding a ratiometric blend of fluorophores enables high reproducibility, photostability, and reversibility, potentially suitable for the fabrication of pH-sensitive devices.

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Carbon-Nanodot-Based Bicontinuous Particles for FRET-Based pH Sensing

Nayak,

Banerjee,

Kamra

et al. 2024

ACS Appl. Nano Mater.

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Compartmentalised single-chain nanoparticles and their function

Thümmler,

Binder

2024

Chem. Commun.

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Förster resonance energy transfer within single chain nanoparticles

Abstract: Single chain nanoparticles (SCNPs) are a highly versatile polymer architecture consisting of single polymer chains that are intramolecularly crosslinked. Currently, SCNPs are discussed as powerful macromolecular architectures for catalysis, delivery...

Cited by 2 publications

References 41 publications

Carbon-Nanodot-Based Bicontinuous Particles for FRET-Based pH Sensing

Carbon-Nanodot-Based Bicontinuous Particles for FRET-Based pH Sensing

Compartmentalised single-chain nanoparticles and their function

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