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Integrated seawater chlorophyll microfluidic chip sensor and manufacturing method thereof

A microfluidic chip and chlorophyll technology, applied in chemical instruments and methods, laboratory utensils, laboratory containers, etc., can solve the problems of increased system cost, complex structure and large volume in the modulation and data processing parts, and achieve convenient Array integration, small size and high detection efficiency

Inactive Publication Date: 2014-10-15
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] At present, the more typical traditional method is shown in patent 201110271796.0. The system consists of LED array light source, lens group, visible light filter, focusing lens (I and II), bandpass filter, sample cell and PMT. Compared with integrated components , the system is large in size, complex in structure, susceptible to interference from external vibrations, etc., and the complex modulation and data processing parts at the back end of the system also increase the cost of the system; in addition, the transmissive optical path cannot avoid the excitation light at 685nm. interference

Method used

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  • Integrated seawater chlorophyll microfluidic chip sensor and manufacturing method thereof
  • Integrated seawater chlorophyll microfluidic chip sensor and manufacturing method thereof
  • Integrated seawater chlorophyll microfluidic chip sensor and manufacturing method thereof

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Embodiment Construction

[0022] figure 1 Among them, an integrated seawater chlorophyll microfluidic chip sensor consists of Si-PIN detector 1, 6H-SiC / ITO / SiO2 layer 3, reflective and soldering layer 4, LED chip 5, glass plate 6, PDMS microfluidic channel 7 and Coating mirror 8 is made up of, wherein, described Si-PIN detector 1, 6H-SiC / ITO / SiO2 layer 3, reflection and welding layer 4, LED chip 5, glass plate 6, PDMS microfluidic channel 7, and coating Mirrors 8 are connected in order from bottom to top. Among them, 2 is the active area of ​​the detector, and 9 is the chlorophyll molecule.

[0023] The reflective film 8 is located above the PDMS microfluidic channel 7, and the reflective film 8 can reflect and collect fluorescence while allowing excitation light to pass through. The Si-PIN detector 1 is located under the LED chip for fluorescence detection, and the 6H-SiC / ITO / SiO2 layer 3 is located above the active region 2 of the Si-PIN detector 1 for the transmission of fluorescence and excitati...

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Abstract

An integrated seawater chlorophyll microfluidic chip sensor capable of enhancing the anti-interference ability and improving the fluorescence detection efficiency adopts the technical scheme that the integrated seawater chlorophyll microfluidic chip sensor is characterized by consisting of a Si-PIN detector (1), a 6H-SiC / ITO / SiO2 layer (3), a reflecting and welding layer (4), an LED chip (5), a glass plate (6), a PDMS microfluidic channel (7) and a coated reflector (8), wherein the Si-PIN detector (1), the 6H-SiC / ITO / SiO2 layer (3), the reflecting and welding layer (4), the LED chip (5), the glass plate (6), the PDMS microfluidic channel (7) and the coated reflector (8) are sequentially connected from bottom to top. The invention also discloses a method for manufacturing integrated seawater chlorophyll microfluidic chip sensor.

Description

technical field [0001] The invention belongs to the field of seawater chlorophyll microfluidic chip sensor devices, in particular to an integrated seawater chlorophyll microfluidic chip sensor capable of enhancing anti-interference ability and improving fluorescence detection efficiency and a manufacturing method thereof. Background technique [0002] Chlorophyll content is an important indicator reflecting the ecological environment of seawater, based on which the ecology and pollution of the marine environment can be estimated. Therefore, accurate and rapid measurement of seawater chlorophyll is of great significance. [0003] At present, the more typical traditional method is shown in patent 201110271796.0. The system consists of LED array light source, lens group, visible light filter, focusing lens (I and II), bandpass filter, sample cell and PMT. Compared with integrated components , the system is large in size, complex in structure, susceptible to interference from ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64B01L3/00
Inventor 赵强刘世萱王波张可可徐宇柘闫星魁王文彦
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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