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Ion-modulated interfacial fluorescence in droplet microfluidics using an ionophore-doped oil

30 June 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Fluorescence at the oil-water interface is used for chemical sensing in droplet microfuidics. Potassium ions in aqueous droplets are extracted into oil segments doped with an ionophore, a cation exchanger, and a cationic dye to displace the dye to the thin interface, allowing for highly sensitive and selective turn-on sensing of ions.

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Version History

Jun 30, 2023 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-hs4w2
D O I: 10.26434/chemrxiv-2023-hs4w2 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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