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2篇 您的检索式:作者名="Steven D.Bull"
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1Dual enzyme activated fluorescein based fluorescent probe显示文摘A simple dual analyte fluorescein-based probe(PF3-Glc)was synthesised containingβ-glucosidase(β-glc)and hydrogen peroxide(H2O2)trigger units.The presence ofβ-glc,resulted in fragmentation of the parent molecule releasing glucose and the slightly fluorescent mono-boronate fluorescein(PF3).Subsequently,in the presence of glucose oxidase(GOx),the released glucose was catalytically converted to D-glucono-δ-lactone,which produced H2O2 as a by-product.The GOx-produced H2O2,resulted in classic H2O2-mediated boronate oxidation and the release of the highly emissive fluorophore,fluorescein.This unique cascade reaction lead to an 80-fold increase in fluorescence intensity.Maria L.Odyniec Jordan E.Gardiner Adam C.Sedgwick Xiao-Peng He Steven D.Bull Tony D.James 2020Frontiers of Chemical Science and Engineering2020,14,1:1
2A boronic acid-based fluorescent hydrogel for monosaccharide detection显示文摘A boronic acid-based anthracene fluorescent probe was functionalised with an acrylamide unit to incorporate into a hydrogel system for monosaccharide detection.In solution,the fluorescent probe displayed a strong fluorescence turn-on response upon exposure to fructose,and an expected trend in apparent binding constants,as judged by a fluorescence response where D-fructose>D-galactose>D-mannose>D-glucose.The hydrogel incorporating the boronic acid monomer demonstrated the ability to detect monosaccharides by fluorescence with the same overall trend as the monomer in solution with the addition of D-fructose resulting in a 10-fold enhancement(≤0.25 mol/L).Suying Xu Adam C.Sedgwick Souad A.Elfeky Wenbo Chen Ashley S.Jones George T.Williams A.Toby A.Jenkins Steven D.Bull John S.Fossey Tony D.James 2020Frontiers of Chemical Science and Engineering2020,14,1:0
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