CN204514801U - A kind of throwing type micro-fluidic chip for residues of pesticides Site Detection - Google Patents
A kind of throwing type micro-fluidic chip for residues of pesticides Site Detection Download PDFInfo
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- CN204514801U CN204514801U CN201520200192.0U CN201520200192U CN204514801U CN 204514801 U CN204514801 U CN 204514801U CN 201520200192 U CN201520200192 U CN 201520200192U CN 204514801 U CN204514801 U CN 204514801U
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Abstract
The utility model discloses a kind of throwing type micro-fluidic chip for residues of pesticides Site Detection, it is characterized in that, comprise injection port 1, sample intake passage 2, enzyme level reaction tank 3, interface channel 4, chromogenic reaction and detection cell 5, Micropump interface 6.Enzyme level reaction tank 3 is previously stored with for Detecting Pesticide enzyme dry powder, chromogenic reaction and detection cell 5 are previously stored with solid substrate and developer, during detection, Micropump interface 6 is connected Micropump, Micropump pump is walked micro-fluidic chip inside cavity air and is produced negative pressure, sample solution imports from injection port 1 under the effect of external atmospheric pressure, enzyme level reaction tank 3, interface channel 4 and chromogenic reaction and detection cell detection cell 5 is flowed through successively along sample intake passage 2, complete enzyme level reaction and the chromogenic reaction of solution phase, finally measure solution absorbance value and calculate the residual inhibiting rate of agriculture.The utility model simplicity of design, cost are low, are beneficial to batch production, chip internal pre-stored reagent, detect reagent solution without the need to situ configuration, and single use avoids because cleaning causes sample cross contamination, can be used for the Site Detection of residues of pesticides.
Description
Technical field
The invention relates to a kind of throwing type micro-fluidic chip for residues of pesticides Site Detection, belongs to micro fluidic chip technical field.
Background technology
At present, microfluidic chip analysis technology, because having microminiaturization, integrated, the remarkable advantage such as high flux, low cost, is applied to the quick detection of Organic pesticide residues.Chinese patent CN102784617A adopts centrifugal force controlled fluid to flow in chip, completes the detection of residues of pesticides.This chip needs the kapillary choosing different-diameter to coordinate corresponding centrifuge speed, adds preparation difficulty and the Material Cost of chip.The purpose of this utility model is to provide a kind of throwing type micro-fluidic chip for residues of pesticides Site Detection, the pressure being changed chip internal chamber by Micropump reaches the accurate object driving the flowing of liquid, chip internal pre-stored detects reagent, structure is simple, cost is low, be beneficial to batch production, single use avoids because cleaning causes sample cross contamination, is applicable to the Site Detection of residues of pesticides.
Utility model content
The technical solution of the utility model is: micro-fluidic chip, it is characterized in that, comprises injection port, sample intake passage, enzyme level reaction tank, interface channel, chromogenic reaction and detection cell, Micropump interface.Enzyme level reaction tank is previously stored with for Detecting Pesticide enzyme dry powder, chromogenic reaction and detection cell are previously stored with solid substrate and developer, during detection, Micropump interface is connected Micropump, Micropump pump is walked micro-fluidic chip inside cavity air and is produced negative pressure, sample solution imports from injection port under the effect of external atmospheric pressure, enzyme level reaction tank, interface channel and chromogenic reaction and detection cell detection cell is flowed through successively along sample intake passage, complete enzyme level reaction and the chromogenic reaction of solution phase respectively, finally measure solution absorbance value and calculate the residual inhibiting rate of agriculture.
The utility model has the advantages that: the utility model simplicity of design, cost are low, be beneficial to batch production, chip internal pre-stored reagent, detect reagent solution without the need to situ configuration, single use avoids because cleaning causes sample cross contamination, can be used for the Site Detection of residues of pesticides.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention.
Specific embodiments
Below in conjunction with accompanying drawing, the utility model is described further:
With reference to Fig. 1, throwing type micro-fluidic chip, is characterized in that, comprises injection port 1, sample intake passage 2, enzyme level reaction tank 3, interface channel 4, chromogenic reaction and detection cell 5, Micropump interface 6.Enzyme level reaction tank 3 is previously stored with for Detecting Pesticide enzyme dry powder, chromogenic reaction and detection cell 5 are previously stored with solid substrate and developer, during detection, Micropump interface 6 is connected Micropump, Micropump pump is walked micro-fluidic chip inside cavity air and is produced negative pressure, sample solution imports from injection port 1 under the effect of external atmospheric pressure, enzyme level reaction tank 3, interface channel 4 and chromogenic reaction and detection cell detection cell 5 is flowed through successively along sample intake passage 2, complete enzyme level reaction and the chromogenic reaction of solution phase respectively, finally measure solution absorbance value and calculate the residual inhibiting rate of agriculture.The utility model simplicity of design, cost are low, are beneficial to batch production, chip internal pre-stored reagent, detect reagent solution without the need to situ configuration, and single use avoids because cleaning causes sample cross contamination, can be used for the Site Detection of residues of pesticides.
Claims (1)
1. the throwing type micro-fluidic chip for residues of pesticides Site Detection, it is characterized in that, comprise injection port (1), sample intake passage (2), enzyme level reaction tank (3), interface channel (4), chromogenic reaction and detection cell (5), Micropump interface (6), enzyme level reaction tank (3) is previously stored with for Detecting Pesticide enzyme dry powder, chromogenic reaction and detection cell (5) are previously stored with solid substrate and developer, during detection, Micropump interface (6) is connected Micropump, Micropump pump is walked micro-fluidic chip inside cavity air and is produced negative pressure, sample solution imports from injection port (1) under the effect of external atmospheric pressure, enzyme level reaction tank (3) is flowed through successively along sample intake passage (2), interface channel (4) and chromogenic reaction and detection cell (5), complete enzyme level reaction and the chromogenic reaction of solution phase respectively, finally measure solution absorbance value and calculate the residual inhibiting rate of agriculture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520200192.0U CN204514801U (en) | 2015-04-01 | 2015-04-01 | A kind of throwing type micro-fluidic chip for residues of pesticides Site Detection |
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| CN201520200192.0U CN204514801U (en) | 2015-04-01 | 2015-04-01 | A kind of throwing type micro-fluidic chip for residues of pesticides Site Detection |
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| CN204514801U true CN204514801U (en) | 2015-07-29 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424629A (en) * | 2015-12-11 | 2016-03-23 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip and copper ion detection system |
| CN105921187A (en) * | 2016-05-23 | 2016-09-07 | 浙江清华长三角研究院 | Micro-fluidic chip for rapid detection of pesticide residues |
| CN106018718A (en) * | 2016-07-21 | 2016-10-12 | 武汉市农业科学技术研究院农业环境安全检测研究所 | Multi-component food safety detection microfluidic chip |
| CN106198499A (en) * | 2016-07-03 | 2016-12-07 | 厦门大学 | A kind of micro-fluidic chip for chemiluminescence detection and detection method thereof |
| CN107282144A (en) * | 2016-03-30 | 2017-10-24 | 中国科学院苏州纳米技术与纳米仿生研究所 | The detection method of micro-fluidic chip and copper ion |
| CN108371961A (en) * | 2018-04-04 | 2018-08-07 | 南京岚煜生物科技有限公司 | Micro-fluidic chip and its detection method with colour developing background detection function |
| CN110177620A (en) * | 2016-11-16 | 2019-08-27 | 微流体芯片商店有限公司 | Equipment for receiving, being discharged and move liquid |
| CN110201730A (en) * | 2019-07-03 | 2019-09-06 | 杭州霆科生物科技有限公司 | A kind of residual detection chip of integrated micro-fluidic agriculture with filtering function |
| CN110437992A (en) * | 2019-08-14 | 2019-11-12 | 重庆大学 | A kind of liquid phase sample is extensive, fast digitizing decomposition chip and its application method |
| CN111013675A (en) * | 2019-12-11 | 2020-04-17 | 北京柏兆嘉业科技有限公司 | Microfluidic disc and method for determining thyroid function based on no-clean microfluidic technology |
| CN112129752A (en) * | 2020-09-25 | 2020-12-25 | 安徽理工大学 | Microfluidic nitrite concentration detection chip and detection method |
| CN112268904A (en) * | 2020-10-22 | 2021-01-26 | 言谱物(杭州)智能科技有限责任公司 | Female physiological cycle detection chip |
| WO2023093382A1 (en) * | 2021-11-25 | 2023-06-01 | 青岛海尔电冰箱有限公司 | Microfluidic detection system for refrigerator, and refrigerator |
| WO2023093383A1 (en) * | 2021-11-25 | 2023-06-01 | 青岛海尔电冰箱有限公司 | Microfluidic detection system for refrigerator, and refrigerator |
-
2015
- 2015-04-01 CN CN201520200192.0U patent/CN204514801U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424629B (en) * | 2015-12-11 | 2018-10-23 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip and copper ion detecting system |
| CN105424629A (en) * | 2015-12-11 | 2016-03-23 | 苏州汶颢芯片科技有限公司 | Micro-fluidic chip and copper ion detection system |
| CN107282144A (en) * | 2016-03-30 | 2017-10-24 | 中国科学院苏州纳米技术与纳米仿生研究所 | The detection method of micro-fluidic chip and copper ion |
| CN105921187A (en) * | 2016-05-23 | 2016-09-07 | 浙江清华长三角研究院 | Micro-fluidic chip for rapid detection of pesticide residues |
| CN106198499A (en) * | 2016-07-03 | 2016-12-07 | 厦门大学 | A kind of micro-fluidic chip for chemiluminescence detection and detection method thereof |
| CN106018718A (en) * | 2016-07-21 | 2016-10-12 | 武汉市农业科学技术研究院农业环境安全检测研究所 | Multi-component food safety detection microfluidic chip |
| US11446657B2 (en) | 2016-11-16 | 2022-09-20 | Microfluidic Chipshop Gmbh | Device for receiving, dispensing, and moving liquids |
| CN110177620A (en) * | 2016-11-16 | 2019-08-27 | 微流体芯片商店有限公司 | Equipment for receiving, being discharged and move liquid |
| CN108371961A (en) * | 2018-04-04 | 2018-08-07 | 南京岚煜生物科技有限公司 | Micro-fluidic chip and its detection method with colour developing background detection function |
| CN110201730A (en) * | 2019-07-03 | 2019-09-06 | 杭州霆科生物科技有限公司 | A kind of residual detection chip of integrated micro-fluidic agriculture with filtering function |
| CN110437992B (en) * | 2019-08-14 | 2021-05-04 | 重庆大学 | Large-scale and rapid digital liquid-phase sample decomposition chip and use method thereof |
| CN110437992A (en) * | 2019-08-14 | 2019-11-12 | 重庆大学 | A kind of liquid phase sample is extensive, fast digitizing decomposition chip and its application method |
| CN111013675A (en) * | 2019-12-11 | 2020-04-17 | 北京柏兆嘉业科技有限公司 | Microfluidic disc and method for determining thyroid function based on no-clean microfluidic technology |
| CN112129752A (en) * | 2020-09-25 | 2020-12-25 | 安徽理工大学 | Microfluidic nitrite concentration detection chip and detection method |
| CN112268904A (en) * | 2020-10-22 | 2021-01-26 | 言谱物(杭州)智能科技有限责任公司 | Female physiological cycle detection chip |
| WO2023093382A1 (en) * | 2021-11-25 | 2023-06-01 | 青岛海尔电冰箱有限公司 | Microfluidic detection system for refrigerator, and refrigerator |
| WO2023093383A1 (en) * | 2021-11-25 | 2023-06-01 | 青岛海尔电冰箱有限公司 | Microfluidic detection system for refrigerator, and refrigerator |
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