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Journals and Conferences
In this paper, we develop a sensitive fluorescence method for protein detection based on proximity extension and enzyme-assisted signal amplification. In this novel method, pairs of proximity probes are designed, and the recognition elements are integrated into the proximity probes. Then proteins are detected by transforming aptamer or antibody-protein… (More)
Separating the specific from the nonspecific bound single-strand DNA (ssDNA) is the most important step to improve the efficiency of selection procedure. However, most cell-SELEX protocols (where SELEX = systematic evolution of ligands by exponential enrichment) use simply washing only, which leads to incomplete separation. It is well-established that… (More)
We present here a signal-on fluorescence biosensor for highly sensitive and specific detection of tumor cells with a split aptamer based on fluorescence resonance energy transfer (FRET). This sensor holds considerable potential for simple, rapid, sensitive and specific tumor cell detection in early clinical diagnosis.