Abstract
Two glyco-probes, GFP and GFN, which are derived from the condensation of 3-acetyl-5-C-(2,3-dihydroxy-1,4-anhydro-β-D-erythro-tetrofuranosyl)-2-methylfuran with benzaldehyde and 1-naphthaldehyde, respectively, are designed and synthesized. Of these two probes, GFP displays a selective and sensitive switch-on fluorescence response towards bovine serum albumin in phosphate-buffered saline over a wide pH range. Moreover, the fluorescence of this probe displays a good linear relationship with the bovine serum albumin concentration ranging from 0 to 0.8 mg/mL, and has a limit of detection as low as 3.7 nM. The stoichiometric ratio of bovine serum albumin /GFP is 1:1. This research paves the way for the development of glyco-probes for bovine serum albumin sensing.
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