Based on a Ag(+)-stabilized self-assembly triplex DNA molecular switch (Ag(+)-STDMS), a simple, enzyme-free and sensitive new fluorescent strategy for detection of transcription factors was developed, achieving high sensitivity towards purified targets and real biological samples.

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Bt transgene, a specific crop DNA sequence, has attracted wide attention due to its introduction into crop for the insect control. Meanwhile, it has drawn concern to crop safety. In...

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