WO2004102179A1 - Equipement et procede pour recueillir des substances traces dans l'air - Google Patents
Equipement et procede pour recueillir des substances traces dans l'air Download PDFInfo
- Publication number
- WO2004102179A1 WO2004102179A1 PCT/CN2004/000398 CN2004000398W WO2004102179A1 WO 2004102179 A1 WO2004102179 A1 WO 2004102179A1 CN 2004000398 W CN2004000398 W CN 2004000398W WO 2004102179 A1 WO2004102179 A1 WO 2004102179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- valve
- pump
- collection chamber
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
- G01N2001/2217—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption using a liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25875—Gaseous sample or with change of physical state
Definitions
- the invention is a device for collecting and enriching pathogens and trace chemical substances in the air, especially capable of collecting and enriching small pathogens such as virus particles.
- Enrichment and detection of airborne pathogens and harmful components are of great significance in the control of respiratory epidemics, the detection of biochemical warfare agents, and the monitoring of pathogens and toxic chemicals in sensitive areas.
- the detection of pathogens is generally collected and concentrated using microporous membranes and negative pressure filtration methods.
- the pore size of the microporous filter membrane is generally on the order of micrometers, trace amounts of viruses and chemical molecules cannot be collected, and because the pore size of the microporous filter membrane is small, a large pumping speed cannot be formed, and the amount of detection and analysis gas is relatively less.
- SARS atypical pneumonia
- atypical pneumonia which is endemic in Asia, is considered to be an infectious disease caused by airborne coronavirus, which is harmful for transmission.
- An object of the present invention is to propose a device for collecting trace substances in the air and a method for efficiently and rapidly enriching and concentrating trace chemicals and pathogens, including viruses, in the air in response to the above needs.
- the device for collecting trace substances in air includes a gas collection chamber, a valve,
- the air pump uses a gas collection chamber with viscous molecular material inside; the gas collection chamber contains an inlet and an outlet of the gas; the gas collection chamber is connected to the air pump, and the two ends of the gas collection chamber are in communication with the atmosphere.
- the gas collection cavity is coated with or filled with a viscous molecular material.
- the viscous molecular material in the gas collection cavity provided with the viscous molecular material is one of polymer resin particles, polymer gums, protein, sugar, starch and other biological macromolecules, glycerin, agarose, lipids and other viscous substances , Or a mixture of two or more of the above.
- the gas collection cavity of the viscous molecular material is located in an ultrasonic oscillator.
- the collection method of the present invention is:
- pathogen inactivation reagents such as SDS, Trizol, etc.
- pathogen detection reagents such as various specific fluorescent indicators, specific electrochemical indicators, modified antibody molecules, that is, fluorescent molecule modification, magnetic bead modification, and nano-modified antibody molecules.
- pathogen detection reagents such as various specific fluorescent indicators, specific electrochemical indicators, modified antibody molecules, that is, fluorescent molecule modification, magnetic bead modification, and nano-modified antibody molecules.
- the collected pathogens are tested.
- PCR reagents and temperature control systems are added to the enrichment container to directly amplify and detect pathogen genes.
- Chemical analysis devices such as electrochemical detectors, capillary electrophoresis detectors, spectral detectors, and chromatographic detectors are directly set in the gas collection chamber or in the enrichment container to directly detect the detected objects.
- the collection liquid is sent to a gas collection chamber, and the collection chamber is renatured.
- the gas collection chamber accelerates the elution process by mechanical vibration when the collected material is eluted.
- the invention proposes a method capable of controlling trace chemicals and pathogens (including diseases New method and corresponding device for efficient and rapid enrichment and concentration.
- the device can be integrated with a chemical detector and a pathogen detection method to form an integrated device for collecting, concentrating and detecting pathogens.
- the high-efficiency air enrichment device can enrich pathogens such as virus particles, bacteria, or chemicals in 30 liters of air in 10 minutes, and concentrate them in 1 ml of a buffer solution to simulate the enrichment of virus particles in the air. Testing showed that the collection efficiency was above 90%. At present, there is no similar product device. 4. Description of the Drawings
- FIG. 1 is a schematic diagram of the overall structure of the present invention.
- gas collection chamber a inlet ai, outlet ao; valves bl, b2, b3, b4, b5, b6, b7, b8; atmosphere c, eluent container d, enrichment container collection liquid container g, ultrasonic oscillator h, flow meter i, pumps Jl, J2, J3, J4, reaction auxiliary liquid ⁇ waste liquid area L.
- gas collection chamber a inlet ai, outlet ao
- valves bl, b2, b3, b4, b5, b6, b7, b8 atmosphere
- atmosphere c eluent container d
- enrichment container collection liquid container g ultrasonic oscillator h
- flow meter i ultrasonic oscillator h
- flow meter i pumps Jl, J2, J3, J4, reaction auxiliary liquid ⁇ waste liquid area L.
- the device includes a gas collection chamber, inlet ai, outlet ao, valve bl, b2, b3, b4, b5 eluent container d, suction pump J, enrichment container f, collection liquid container g, and peristaltic pump J2, where A gas collection chamber a provided with a viscous molecular material is used; the gas collection chamber a contains an inlet ai and an outlet ao of the gas; the gas inlet ai of the gas collection chamber a is passed through a peristaltic pump J2 and an eluent container d and through a valve bl is in communication with the atmosphere c and the gas outlet ao of the collection chamber a is connected to the suction pump J1 and the enrichment container f through valves b5, respectively.
- a gas collection chamber a provided with a viscous molecular material is used; the gas collection chamber a contains an inlet ai and an outlet ao of the gas; the gas inlet
- the gas collection cavity a of the viscous molecular material is a pipe, and the pipe is coated with the viscous molecular material. It may be filled with one of glass fiber, polymer fiber, porous glass, and viscous molecular material, or two or more thereof.
- the viscous molecular materials in the gas collection cavity a provided with viscous molecular materials are polymer resins, polymer gels, fibrous substances (such as glass fiber, nylon, cotton), protein, sugar, starch and other biological macromolecules, glycerol , Agarose, cellulose, lipids and other viscous substances One or a mixture of two or more substances.
- the gas collection cavity a of the viscous molecular material is located in the ultrasonic oscillator h.
- Gas enrichment part First open valve b2 and valve b8 and pump J3, and transfer the collected liquid g to the gas collection chamber &, and modify the cavity specifically, or refold.
- valve b2 Close valve b2, valve b8 and pump J3, open pump J1, valve b4, valve bl, collect sample gas and enrich it in the gas collection chamber a. The total amount of collected gas is calculated by the flow meter i. When the specified volume is reached, the pump J1 is closed, valve b4, and bl are closed.
- pathogen detection reagents such as specific fluorescent indicators, specific electrochemical indicators or various modified antibody molecules, ie, fluorescent molecule modification, magnetic bead modification, and nano-modified antibody molecules.
- pathogen detection reagents such as specific fluorescent indicators, specific electrochemical indicators or various modified antibody molecules, ie, fluorescent molecule modification, magnetic bead modification, and nano-modified antibody molecules. The collected pathogens are tested.
- Chemical analysis devices such as electrochemical detectors, spectroscopic detectors, capillary pulse detectors, and chromatographic detectors are directly detected in the detection zone or the gas collection chamber a or in the enrichment container f to directly detect the detected chemicals.
- the gas collection chamber a accelerates the elution process by mechanical vibration when the collected material is eluted.
- This technology can be used for the enrichment and detection of trace components such as microorganisms, viruses, compounds in the air, and has very important application value.
- Gas enrichment part First, open valve b2 and valve b8 and pump J3, and transfer the collection liquid g to the gas collection cavity a, and modify the cavity specifically;
- Testing part Start the testing accessory to test the solution in the testing area; after testing, replace the testing solution unit for the next round of testing;
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/555,006 US20060207351A1 (en) | 2003-05-01 | 2004-04-26 | Equipment and method for collecting trace substances in the air |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03113389.4 | 2003-05-01 | ||
| CN03113389.4A CN1208113C (zh) | 2003-05-01 | 2003-05-01 | 用于空气中微量物质收集的装置及其收集方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004102179A1 true WO2004102179A1 (fr) | 2004-11-25 |
Family
ID=28684050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2004/000398 Ceased WO2004102179A1 (fr) | 2003-05-01 | 2004-04-26 | Equipement et procede pour recueillir des substances traces dans l'air |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20060207351A1 (zh) |
| CN (1) | CN1208113C (zh) |
| WO (1) | WO2004102179A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063914A (zh) * | 2016-12-19 | 2017-08-18 | 天津同阳科技发展有限公司 | 基于称重法的空气颗粒物连续监测采样器 |
| CN111938708A (zh) * | 2020-07-02 | 2020-11-17 | 王少熙 | 一种能够采集飞沫样本的口罩及方法 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415868C (zh) * | 2004-03-04 | 2008-09-03 | 东南大学 | 微生物被动收集装置 |
| US20110263044A1 (en) * | 2008-07-31 | 2011-10-27 | Eads Deutschland Gmbh | Device and method for the automatic detection of biological particles |
| CN102661992B (zh) * | 2012-05-14 | 2014-01-22 | 华瑞科学仪器(上海)有限公司 | 氨气浓度检测系统及其检测方法 |
| JP2015042945A (ja) * | 2013-08-26 | 2015-03-05 | 独立行政法人産業技術総合研究所 | 気中微粒子状物質の捕集・分析装置 |
| CN106967595B (zh) * | 2017-05-16 | 2019-11-29 | 上海德具生物科技有限公司 | 一种空气中细菌或病毒在线采集及在线自动检测方法 |
| CN107118951B (zh) * | 2017-05-16 | 2020-06-05 | 江苏博凯生物科技有限公司 | 一种采样一体化采样盒结构 |
| CN107118961B (zh) * | 2017-05-16 | 2020-06-16 | 上海德具生物科技有限公司 | 一种空气中细菌或病毒在线采集及在线自动检测装置 |
| TW201903156A (zh) * | 2017-06-01 | 2019-01-16 | 凱馨實業股份有限公司 | 氣體病毒採集方法及氣體利用裝置 |
| CN108414295B (zh) * | 2018-03-07 | 2021-06-29 | 广东诺瓦安评检测有限公司 | 工作场所空气中工业酶混合尘采样装置以及采样方法 |
| CN108956216B (zh) * | 2018-08-29 | 2020-11-17 | 嘉兴嘉卫检测科技有限公司 | 用于环境监测的空气颗粒物分级采样装置 |
| CN111811078B (zh) * | 2020-07-22 | 2022-03-11 | 广州建设工程质量安全检测中心有限公司 | 一种空调通风系统的病毒监测系统 |
| CN111650173B (zh) * | 2020-07-22 | 2022-03-15 | 广州建设工程质量安全检测中心有限公司 | 一种空气病毒监测装置 |
| CN112226360B (zh) * | 2020-08-14 | 2024-05-24 | 南京原码科技合伙企业(有限合伙) | 呼气中病原体自动检测系统及方法 |
| CN112557364B (zh) * | 2020-12-11 | 2023-03-07 | 天津市职业大学 | 一种智能室内空气质量病毒检测系统及检测方法 |
| CN116558899B (zh) * | 2021-08-24 | 2023-10-31 | 鲁东大学 | 一种含检测部件的病毒检测装置 |
| CN114354855B (zh) * | 2022-01-07 | 2024-10-22 | 河北清源环境监测有限公司 | 一种烟气检测仪及检测方法 |
| EP4290210A1 (en) * | 2022-06-08 | 2023-12-13 | Fundació Institut de Ciències Fotòniques | A device, a method, and a computer program, for detecting airborne particulate matter in aerosols |
| CN115406726B (zh) * | 2022-10-26 | 2023-01-31 | 北京慧荣和科技有限公司 | 空气气溶胶采样器 |
| CN116223130A (zh) * | 2023-02-23 | 2023-06-06 | 浙江大学湖州研究院 | 一种生物气溶胶高效采集装置 |
| CN117092001A (zh) * | 2023-08-02 | 2023-11-21 | 北京市科学技术研究院城市安全与环境科学研究所 | 空气中氯离子沉降速率在线监测装置及方法 |
| CN117147747A (zh) * | 2023-08-18 | 2023-12-01 | 复旦大学 | 一种免前处理过程的大气细颗粒物采样装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076644A (zh) * | 1992-02-12 | 1993-09-29 | 住友特殊金属株式会社 | 超声波连续清洗装置 |
| CN1218553A (zh) * | 1997-01-15 | 1999-06-02 | 新眼界诊断公司 | 检测污染物的方法 |
| CN2338743Y (zh) * | 1998-04-15 | 1999-09-15 | 北京中恩科技有限公司 | 膜片式空气浮游菌采样器 |
| CN1247308A (zh) * | 1998-06-29 | 2000-03-15 | 日本电气株式会社 | 自动分析痕量物质的方法和装置 |
| WO2002029380A2 (en) * | 2000-10-04 | 2002-04-11 | The Secretary Of State For Defence | Air samplers |
| US6550347B2 (en) * | 2000-11-30 | 2003-04-22 | Bruce J. Bradley | Vacuum air component sampler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729196B2 (en) * | 1999-03-10 | 2004-05-04 | Mesosystems Technology, Inc. | Biological individual sampler |
-
2003
- 2003-05-01 CN CN03113389.4A patent/CN1208113C/zh not_active Expired - Fee Related
-
2004
- 2004-04-26 WO PCT/CN2004/000398 patent/WO2004102179A1/zh not_active Ceased
- 2004-04-26 US US10/555,006 patent/US20060207351A1/en not_active Abandoned
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076644A (zh) * | 1992-02-12 | 1993-09-29 | 住友特殊金属株式会社 | 超声波连续清洗装置 |
| CN1218553A (zh) * | 1997-01-15 | 1999-06-02 | 新眼界诊断公司 | 检测污染物的方法 |
| CN2338743Y (zh) * | 1998-04-15 | 1999-09-15 | 北京中恩科技有限公司 | 膜片式空气浮游菌采样器 |
| CN1247308A (zh) * | 1998-06-29 | 2000-03-15 | 日本电气株式会社 | 自动分析痕量物质的方法和装置 |
| WO2002029380A2 (en) * | 2000-10-04 | 2002-04-11 | The Secretary Of State For Defence | Air samplers |
| US6550347B2 (en) * | 2000-11-30 | 2003-04-22 | Bruce J. Bradley | Vacuum air component sampler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063914A (zh) * | 2016-12-19 | 2017-08-18 | 天津同阳科技发展有限公司 | 基于称重法的空气颗粒物连续监测采样器 |
| CN107063914B (zh) * | 2016-12-19 | 2023-08-15 | 天津同阳科技发展有限公司 | 基于称重法的空气颗粒物连续监测采样器 |
| CN111938708A (zh) * | 2020-07-02 | 2020-11-17 | 王少熙 | 一种能够采集飞沫样本的口罩及方法 |
| CN111938708B (zh) * | 2020-07-02 | 2024-05-31 | 王少熙 | 一种能够采集飞沫样本的口罩及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1208113C (zh) | 2005-06-29 |
| CN1449857A (zh) | 2003-10-22 |
| US20060207351A1 (en) | 2006-09-21 |
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