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Updated: Jul 11, 2026

A Polyaniline-based Sensor of Nucleic Acids
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扫描道检测光谱证据显示颗粒金属导电性在导电的聚合物聚氨烯中

D Jeon, J Kim, M C Gallagher

    Science (New York, N.Y.)
    |June 19, 1992
    PubMed
    概括

    扫描道显微镜揭示了与颗粒状金属区域相关的质子聚烯膜的空间变化的导电性. 增加的兴奋剂增强了导电性和费米水平状态,在样品中观察到负差异电阻.

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    Theory of Metallic Conduction01:17

    Theory of Metallic Conduction

    The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
    In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
    An electron moves through the crystal, containing positive ions,...