Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 15, Pages 5543-5546Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja4128949
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Funding
- Academy of Finland [256259, 265328, 263377, 263256, 257125]
- Academy of Finland (AKA) [256259, 263377, 256259, 263377] Funding Source: Academy of Finland (AKA)
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A simple terpyridine-Zn(II) complex is shown to act as an efficient and highly selective fluorescent sensor for pyrophosphate in water at physiological pH. The sensor complex showed an unprecedented fluorescence response (similar to 500 fold increase) and a record nanomolar sensitivity (detectable fluorescent response at 20 nM and LOD similar to 0.8 nM). It has successfully been used to stain and record confocal fluorescence microscopy images of HeLa cells. Moreover, the complex was found to self-assemble into a hydrogel which was subsequently used to coat disposable paper strips for easy, low-cost detection of pyrophosphate.
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