3.1 概述 3.2 核心元件 3.3 电化学传感器 3.4 光学传感器 3.5 其他传感器 - PowerPoint PPT Presentation

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第三章 化学与生物传感器. 3.1 概述 3.2 核心元件 3.3 电化学传感器 3.4 光学传感器 3.5 其他传感器. 参考书:布莱恩 R 埃金斯 著 《 化学与生物传感器 》 化学工业出版社. 3.1 概述. 传感器是什么东西呀?. 传感器是一种选择性地、连续地和可逆地感受某一物理量或化学量或生物量的装置。. 样品. 识别元件. 换能器. 传导器. 测量装置. 传感器结构示意图. 图示鼻子类似为传感器. 嗅觉膜-生物识别元件 神经细胞-转换器 神经纤维-传导器 大脑-测量元件. 识别元件

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3.1 概述 3.2 核心元件 3.3 电化学传感器 3.4 光学传感器 3.5 其他传感器

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  • 3.1

  • 3.2

  • 3.3

  • 3.4

  • 3.5

R


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3.1


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3.2


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  • -


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+ O2 + H2O + H2 O2


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-

Ag + Ab = Ag-Ab


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  • .

  • DNADNADNA.


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Figure 9-3 The four bases of DNA all contain nitrogen.They are shown on colored shapes that will be used throughout the chapter to represent these chemicals.


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  • V.S.


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  • pH


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3.4


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20708010

fiber optical biosensor

optode

optrode


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19.3evanescent wave


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    -

    -

  • 5200m


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404nm 0 400 mol l

404nm0400mol/L


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NADH

+ NAD+ + NADH

NADHFMN

+ NAD+ + NH4+ + NADH

NADH + FMN + H+ NAD+ + FMNH2

FMNH2 + RCHO + O2 FMN + RCOOH +h


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.

G + H+

+ O2 +H2O +H2O2

L- - + NH3

L- L- + CO2


Biological receptor

biological receptor


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Thank you


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