What question did this study set out to answer?

To construct and evaluate a layer-by-layer polyelectrolyte film incorporating chitosan, organophosphorus hydrolase, and CdSe quantum dots for detecting organophosphorus compounds.

November 20, 2003The Journal of Physical Chemistry B

Layer-by-Layer Films of Chitosan, Organophosphorus Hydrolase and Thioglycolic Acid-Capped CdSe Quantum Dots for the Detection of Paraoxon

View Full Paper

Ask AI

Bookmark

Authors

CCCeleste A. ConstantineUniversity of Miami KGKerim M. Gattás‐AsfuraUniversity of Florida SMSarita V. MelloColgate-Palmolive (United States)

Discussion

Member takes

Implication

Experimental study demonstrates photoluminescence-based sensing of organophosphates using quantum dot-polyelectrolyte films, suggesting a viable platform for pesticide detection.

Key Points

To construct and evaluate a layer-by-layer polyelectrolyte film incorporating chitosan, organophosphorus hydrolase, and CdSe quantum dots for detecting organophosphorus compounds.
Fabricated a polyelectrolyte architecture using chitosan and organophosphorus hydrolase polycations paired with thioglycolic acid-capped CdSe quantum dot polyanions.
Tracked bilayer film growth and assembly using UV-vis spectroscopy, emission spectroscopy, and epifluorescence microscopy.
Photoluminescence of functionalized quantum dots increased when intercalated between polycation layers.
Presence of organophosphorus compounds was successfully detected and verified via photoluminescence spectroscopy.

Cite This Study

Constantine et al. (2003) studied this question.

synapsesocial.com/papers/6aa4057caaaedccdac74a3b7 https://doi.org/10.1021/jp036381v

View Full Paper

Ask AI

Bookmark

Implication

Experimental study demonstrates photoluminescence-based sensing of organophosphates using quantum dot-polyelectrolyte films, suggesting a viable platform for pesticide detection.

Layer-by-Layer Films of Chitosan, Organophosphorus Hydrolase and Thioglycolic Acid-Capped CdSe Quantum Dots for the Detection of Paraoxon

Discussion

Member takes

Implication

Key Points

Cite This Study

Layer-by-Layer Films of Chitosan, Organophosphorus Hydrolase and Thioglycolic Acid-Capped CdSe Quantum Dots for the Detection of Paraoxon

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider