Sensor Measures Protons, Polarity | Chemical & Engineering News
 
 
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Volume 86 Issue 22 | p. 44 | Concentrates
Issue Date: June 2, 2008

Sensor Measures Protons, Polarity

Department: Science & Technology

A two-for-one sensor that can simultaneously detect local proton concentration and polarity could lead to a tool that can measure the proton gradients across biological membranes involved in the production of adenosine triphosphate, the cell's energy currency. A. Prasanna de Silva at Queen's University, in Belfast, and his collaborators built a small molecule that possesses an amine proton receptor and a polarity-sensitive aromatic fluorophore (Angew. Chem. Int. Ed., DOI: 10.1002/anie.200801516). Proton concentration . . .

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