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Synthesis, Cellular Delivery and In vivo Application of Dendrimer-based pH Sensors

Synthesis, Cellular Delivery and In vivo Application of Dendrimer-based pH Sensors

Published on: September 10, 2013

Multiresponsive switchable diarylethene and its application in bioimaging.

Xijun Piao¹, Ying Zou, Junchen Wu

¹Department of Chemistry and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, PR China.

Organic Letters

|August 8, 2009

Summary

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Researchers created a novel fluorescent switch using diarylethene and terpyridine. This switch

Area of Science:

Supramolecular chemistry
Photochemistry
Chemical sensing

Background:

Diarylethene and terpyridine are known for their responsive properties.
Fluorescent probes are crucial for biological imaging.
Metal ion transport is vital in cellular processes.

Purpose of the Study:

To develop a multiresponsive fluorescent switch.
To investigate its use as a biological probe.
To detect metal ion transport in live cells.

Main Methods:

Synthesis of a diarylethene-terpyridine conjugate.
Characterization of its photophysical properties.
Cellular imaging studies in live cells.

Main Results:

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The developed molecule exhibits switchable fluorescence responsive to UV/visible light and metal ions/EDTA.
The probe demonstrates low toxicity and efficient cell penetration.
It successfully detects metal ion transmembrane transport in biological systems.

Conclusions:

The diarylethene-terpyridine based fluorescent switch is a versatile tool for chemical sensing and biological imaging.
Its ability to track metal ion transport opens new avenues for studying cellular mechanisms.