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Integrated electrochemical sensing chip

A technology integrating electrochemistry and sensor chips, applied in scientific instruments, material analysis through electromagnetic means, measuring devices, etc., to achieve the effects of novel design, high degree of automation, and increased implementation feasibility

Inactive Publication Date: 2013-11-27
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although these two chips have realized the integration of electrochemical detection on the microfluidic chip, they still have certain limitations.

Method used

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  • Integrated electrochemical sensing chip
  • Integrated electrochemical sensing chip

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Embodiment Construction

[0025] An integrated electrochemical sensing chip provided by the present invention mainly includes two parts, the upper and lower pole plates, which can be separately manufactured and finally aligned and packaged to form a chip. It should be noted that this embodiment is provided for illustrative purposes and is not intended to limit the scope of the present invention in any way.

[0026] According to the schematic structural diagram of a kind of integrated electrochemical sensor chip of the present invention as figure 1 shown. On the first insulating substrate 101 is the first electrode layer, including digital microfluidic drive electrodes E11-E15 and ground electrodes E21-E24. The electrode material can be conductive, and its size and arrangement are not limited. Taking a certain form as an example, the ground electrodes E21-E24 can be electrically connected; on the electrodes is a dielectric layer 102, on which a first hydrophobic layer 103 is placed. The insulating sub...

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Abstract

The invention belongs to the technical field of integrated micro analysis chips and in particular relates to an integrated electrochemical sensing chip. The chip comprises two parts, namely a digital micro-fluidic driving module arranged on a lower pole plate of the chip for generating, transporting, mixing and separating micro-scale droplets, so that liquid samples can be automatically controlled; and an integrated electrochemical sensing module arranged on an upper pole plate of the chip, so that micro real-time and rapid electrochemical detection can be performed. The chip has the advantages of novel design, high integration level, convenience in operation, high degree of automation and the like and can be applied to the fields of automatic micro analysis and lab-on-a-chip.

Description

technical field [0001] The invention belongs to the technical field of automatic micro-analysis chips, and in particular relates to an integrated electrochemical sensing chip. Background technique [0002] The field of automated microanalysis is different from traditional laboratory testing. It refers to the integration of large-capacity sample extraction, sample pretreatment, decomposition and separation, biochemical reactions, analysis and detection, and data processing in traditional laboratories in one system or chip. Among them, the automatic control and detection of micro samples has many advantages such as high integration, high precision, high throughput, high efficiency, low consumption, and intelligence. It has very good prospects in many fields such as biology, medicine, and chemistry in the future. Prospects. [0003] As the carrier of micro-analysis chips, digital microfluidics technology refers to the technology that uses a single droplet as the object of mani...

Claims

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Application Information

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IPC IPC(8): G01N27/416
Inventor 余玉华陈建锋周嘉
Owner FUDAN UNIV
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