Centrifugation aided highly sensitive detection of nitrite with a dye-silica conjugate featuring cleavable linkages.

Abstract

Rhodamine-silica nanocomposite bridged by a cleavable linker was used for highly sensitive nitrite detection via analyte triggered release of rhodamine from silica particles. Centrifugal removal of pristine nanoconjugate from the assay medium effectively decreased background signals in the supernatant whereas rhodamine unleashed from silica platform is… (More)
DOI: 10.1016/j.bmcl.2014.08.051

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