Functional Nucleic Acid Based Biosensors for Post-transition Metal Ion Detection

  • Yunbo Luo


In the periodic table, some metal ions located after the transition metals are called post-transition metals, including lead, thallium, indium, gallium, tin, and bismuth. Although most of the post-transition metals have strong toxicity, but the research about their interactions with DNA are less reported except for lead. At the same time, lead is more potentially harmful because it is widely presence in water, food, paints, dust, and leaded gasoline, which are common in human activity. Therefore, in this part, we chose the lead as example and introduced current progress of functional nucleic acids (FNAs) based lead biosensor, including colorimetric biosensors, fluorescent biosensors, quantum dot biosensor, electrochemical biosensors and graphene oxide-based biosensor.


Functional nucleic acids Lead ion detection Biosensor Nanocomposites 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Yunbo Luo
    • 1
  1. 1.Food Science & Nutritional EngineeringChina Agricultural UniversityBeijingChina

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