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  1. No Access

    Article

    An enzyme-free electrochemical sandwich DNA assay based on the use of hybridization chain reaction and gold nanoparticles: application to the determination of the DNA of Helicobacter pylori

    An ultrasensitive enzyme-free electrochemical sandwich DNA biosensor is described for the detection of ssDNA oligonucleotides. A DNA sequence derived from the genom of Helicobacter pylori was selected as a model ...

    Man-Man Lv, Shuang-Fei Fan, Qiong-Lin Wang, Qi-Yan Lv, **aojie Song… in Microchimica Acta (2019)

  2. No Access

    Article

    Calculation of the maximum bond order

    Based on the maximum overlap method, an alternative scheme for the calculation of the maximum bond order defined by Jug is introduced to simplify the calculation procedure.

    Chang-Guo Zhan, Qiong-Lin Wang, Fang Zheng in Theoretica chimica acta (1990)