Sensors capable of recognizing cell surface carbohydrates,such as sialyl Lewis X(sLe-x),are invaluable research tools and for the diagnosis and early detection of many forms of cancer.In this paper,we report the des...Sensors capable of recognizing cell surface carbohydrates,such as sialyl Lewis X(sLe-x),are invaluable research tools and for the diagnosis and early detection of many forms of cancer.In this paper,we report the design and synthesis of a series of bisboronic acids 6(a-f) as fluorescent sensors towards mono-/oligosaccharides.Among them,compounds 6d and 6e showed strong binding affinities with glucose and fructose,while compound 6c,in which two anthracene-based boronic acid units were linked by a hexamethylene spacer,was able to recognize sLe-x selectivity and stained HEPG2 cells at 1 μmoI/L.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(No.21372060)Hebei Province Natural Science Fund for Distinguished Young Scholars(No.B2015201005)
文摘Sensors capable of recognizing cell surface carbohydrates,such as sialyl Lewis X(sLe-x),are invaluable research tools and for the diagnosis and early detection of many forms of cancer.In this paper,we report the design and synthesis of a series of bisboronic acids 6(a-f) as fluorescent sensors towards mono-/oligosaccharides.Among them,compounds 6d and 6e showed strong binding affinities with glucose and fructose,while compound 6c,in which two anthracene-based boronic acid units were linked by a hexamethylene spacer,was able to recognize sLe-x selectivity and stained HEPG2 cells at 1 μmoI/L.