FI130261B - Device and method for detecting particles - Google Patents
Device and method for detecting particles Download PDFInfo
- Publication number
- FI130261B FI130261B FI20195801A FI20195801A FI130261B FI 130261 B FI130261 B FI 130261B FI 20195801 A FI20195801 A FI 20195801A FI 20195801 A FI20195801 A FI 20195801A FI 130261 B FI130261 B FI 130261B
- Authority
- FI
- Finland
- Prior art keywords
- particles
- sample flow
- expansion chamber
- pressure
- size
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 204
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000009738 saturating Methods 0.000 claims abstract description 30
- 230000003247 decreasing effect Effects 0.000 claims abstract description 27
- 230000001965 increasing effect Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 13
- 230000001939 inductive effect Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 30
- 230000002441 reversible effect Effects 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 description 36
- 239000003795 chemical substances by application Substances 0.000 description 21
- 230000004913 activation Effects 0.000 description 14
- 239000007789 gas Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
-
- 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
- G01N2001/222—Other features
- G01N2001/2223—Other features aerosol sampling devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0038—Investigating nanoparticles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
- G01N2015/0238—Single particle scatter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N2015/0681—Purposely modifying particles, e.g. humidifying for growing
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195801A FI130261B (en) | 2019-09-24 | 2019-09-24 | Device and method for detecting particles |
| PCT/FI2020/050628 WO2021058873A1 (fr) | 2019-09-24 | 2020-09-24 | Appareil et procédé de détection de particules |
| EP20786003.2A EP4034858A1 (fr) | 2019-09-24 | 2020-09-24 | Appareil et procédé de détection de particules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20195801A FI130261B (en) | 2019-09-24 | 2019-09-24 | Device and method for detecting particles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20195801A1 FI20195801A1 (en) | 2021-03-25 |
| FI130261B true FI130261B (en) | 2023-05-17 |
Family
ID=72744781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20195801A FI130261B (en) | 2019-09-24 | 2019-09-24 | Device and method for detecting particles |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4034858A1 (fr) |
| FI (1) | FI130261B (fr) |
| WO (1) | WO2021058873A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7777867B2 (en) * | 2006-12-22 | 2010-08-17 | Thermo Fisher Scientific | Devices, methods, and systems for detecting particles in aerosol gas streams |
| FI20090232A0 (fi) * | 2009-06-05 | 2009-06-05 | Joonas Jalmari Vanhanen | Aerosolipartikkeleiden detektoiminen |
| WO2017165671A1 (fr) * | 2016-03-23 | 2017-09-28 | Derek Oberreit | Technologie de compteur de particules de condensation compact |
| US10859473B2 (en) * | 2016-04-06 | 2020-12-08 | University Of Florida Research Foundation, Inc. | Bioaerosol detection systems and methods of use |
-
2019
- 2019-09-24 FI FI20195801A patent/FI130261B/en active
-
2020
- 2020-09-24 WO PCT/FI2020/050628 patent/WO2021058873A1/fr unknown
- 2020-09-24 EP EP20786003.2A patent/EP4034858A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FI20195801A1 (en) | 2021-03-25 |
| WO2021058873A1 (fr) | 2021-04-01 |
| EP4034858A1 (fr) | 2022-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lin et al. | Survival of airborne microorganisms during swirling aerosol collection | |
| US8342003B2 (en) | Systems and methods for measurement and analysis of pipeline contaminants | |
| Lin et al. | Effect of sampling time on the collection efficiency of all-glass impingers | |
| US7363828B2 (en) | Aerosol measurement by dilution and particle counting | |
| Hering et al. | A method for particle size amplification by water condensation in a laminar, thermally diffusive flow | |
| Raabe et al. | Calibration studies of the DRUM impactor | |
| US3854321A (en) | Aerosol beam device and method | |
| KR101682707B1 (ko) | 고온 고압에서 작동하는 에어로졸 샘플링 시스템 | |
| US7777867B2 (en) | Devices, methods, and systems for detecting particles in aerosol gas streams | |
| CN109946123A (zh) | 一种大气气溶胶在线捕集及化学成分检测的方法与装置 | |
| EP2467466A1 (fr) | Procédés et appareil d'analyse d'échantillon et de collecte de fractions d'échantillon | |
| Ignatovich et al. | Optical detection of single nanoparticles and viruses | |
| Görner et al. | Bioaerosol sampling by a personal rotating cup sampler CIP 10-M | |
| FI130261B (en) | Device and method for detecting particles | |
| CN100447555C (zh) | 大气悬浮颗粒物的激光信号实时连续提取方法 | |
| Su et al. | Evaluation of physical sampling efficiency for cyclone-based personal bioaerosol samplers in moving air environments | |
| Park et al. | New bio-aerosol collector using a micromachined virtual impactor | |
| EP2097731A1 (fr) | Systemes et procedes de mesure et d'analyse de contaminants de pipeline | |
| JP5599249B2 (ja) | 流体中の微粒子検出装置及び検出方法 | |
| Yang et al. | Detection of airborne pathogens with single photon counting and a real-time spectrometer on microfluidics | |
| Mainelis et al. | Performance characteristics of the aerosol collectors of the autonomous pathogen detection system (APDS) | |
| Jamriska et al. | Investigation of the filtration efficiency of HEPA and ULPA filters in submicron particle size range | |
| Haglund | Two linear slot nozzle virtual impactors for concentration of bioaerosols | |
| Kwon et al. | MEMS-based particle size magnifier for measuring ultra low nanoparticle concentration | |
| Wight et al. | Tagging in-stack suspended particles from a coal-fired power plant with an enriched isotopic tracer |