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September 10, 2025ACS Nano

Quantum Dot Composite Colloids with Layer-by-Layer Shells: Biological Self-Assemblies for Signal Amplified Detection

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Authors

WLWonseok LeeUniversity of Illinois Urbana-Champaign JLJunhwa LeePohang University of Science and Technology HLHyunjung LeeKyung Hee University Dental Hospital

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Implication

This research demonstrates signal amplification of C-reactive protein detection using quantum dot composite colloids, highlighting their potential in bioimaging applications.

Key Points

ZW-QDCCs achieved a detection limit of 15.9 fM in less than 6 minutes for C-reactive protein, showcasing remarkable sensitivity.
Utilizing fluorescence correlation spectroscopy, the study confirmed that each quantum dot composite colloid encapsulated an average of 20 quantum dots.
A layer-by-layer shell was introduced to enhance the structural integrity and functionalization of the quantum dot composite colloids.
The robust biological self-assembly of streptavidin and biotin-conjugated ZW-QDCCs allows for specific labeling in bead assays.

Cite This Study

Lee et al. (2025) studied this question.

synapsesocial.com/papers/68c1cc3754b1d3bfb60f45c4 https://doi.org/10.1021/acsnano.5c01965

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Implication

This research demonstrates signal amplification of C-reactive protein detection using quantum dot composite colloids, highlighting their potential in bioimaging applications.

Quantum Dot Composite Colloids with Layer-by-Layer Shells: Biological Self-Assemblies for Signal Amplified Detection

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Implication

Key Points

Cite This Study

Quantum Dot Composite Colloids with Layer-by-Layer Shells: Biological Self-Assemblies for Signal Amplified Detection

Discussion

Member takes

Implication

Key Points

Cite This Study

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