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  1. No Access

    Article

    Colorimetric nanoplatform for visual determination of cancer cells via target-catalyzed hairpin assembly actuated aggregation of gold nanoparticles

    According to aptamer-mediated hairpin DNA cascade amplifier and gold nanoparticles aggregation, an optical platform for cancer cells determination has been proposed. High-affinity chimeric aptamers were used f...

    Hadi Ravan, Akram Norouzi, Nima Sanadgol, Elyas Hosseinzadeh in Microchimica Acta (2020)

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    Article

    DNAzyme-embedded hyperbranched DNA dendrimers as signal amplifiers for colorimetric determination of nucleic acids

    A DNAzyme-embedded hyperbranched DNA dendrimer is used as a colorimetric signal amplifier in an ultrasensitive detection scheme for nucleic acids. The hyperbranched DNA dendrimers were constructed by single-st...

    Hadi Ravan, Tahereh Fozooni, Mojdeh Amandadi, Hosseinali Sasan… in Microchimica Acta (2018)