Abstract:Background: Protein tyrosine kinase 7 (PTK 7) is a membrane receptor, whichcan be found in various kinds of cancers . In view of this, detection of PTK 7 in theperipheral circulation would be an effective way for the early diagnosis of cancer.Results: In this work, a multi carbon dots and aptamer based signal amplificationratiometric fluorescence probe was developed . The fluorescence of the aptamermodified y CDs and b CDs were respectively chosen as the detection signal and interiorlabel The fluorescence of y… Show more
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