Highly sensitive and selective detection of the pyrophosphate anion biomarker under physiological conditions?
Chemical Science Pub Date: 2014-02-11 DOI: 10.1039/C3SC53058B
Abstract
A multidentate adsorbate having a bis(carbazolyl)urea unit, as a receptor for hydrogen pyrophosphate anions, and two cyclic bidentate alkyl disulfide groups, as linkers to gold surfaces, has been designed and synthesized. Self-assembled monolayers (SAMs) on gold of this adsorbate have been obtained and characterized showing a high robustness along with an extremely large sensitivity and selectivity for hydrogen pyrophosphate anions enabling to be used as a surface plasmon resonance (SPR) sensor for the detection of such anions at the ppt concentration level under physiological conditions.
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Journal Name：Chemical Science
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CAS no.: 89640-58-4
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