JP2016530546A - 光吸収モニタシステム - Google Patents
光吸収モニタシステム Download PDFInfo
- Publication number
- JP2016530546A JP2016530546A JP2016543395A JP2016543395A JP2016530546A JP 2016530546 A JP2016530546 A JP 2016530546A JP 2016543395 A JP2016543395 A JP 2016543395A JP 2016543395 A JP2016543395 A JP 2016543395A JP 2016530546 A JP2016530546 A JP 2016530546A
- Authority
- JP
- Japan
- Prior art keywords
- led
- absorption
- light
- monitor system
- controller
- 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.)
- Pending
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- 230000031700 light absorption Effects 0.000 title description 3
- 238000010521 absorption reaction Methods 0.000 claims abstract description 70
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 7
- 238000002835 absorbance Methods 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000013068 control sample Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004811 liquid chromatography Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
- G01N2201/0624—Compensating variation in output of LED source
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
Description
但し、Aは、吸光度であり、
Eは、mol-1cm-1という単位を有するモル吸光係数であり、
bは、cmで規定される、試料の経路長であり、
cは、溶液中の化合物の濃度(mol-1で表される)である。
Emaxは、所定の波長における物質の最大吸光を示す。
流体源A1、A2、B1、B2から入力流体を選択するために配置された2つの三方入力弁160及び161と、
2つのシステムポンプ150及び151と、
システムポンプの後の流路内のシステム圧力を記録するための圧力センサ200と、
ポンプによって供給された流体の適切な混合を確保するミキサ210と、
流体通路に試料を注入するための注入弁220と、
カラム240と流体通路とを選択的に接続/切断するためのカラム接続弁230と、
カラム前圧力センサ235及びカラム後圧力センサ236と、
カラムからの出力を検出するための、本発明に係るモニタシステム10と、
導電率モニタ260と、
pHモニタ265と、
2つ以上の出力位置(例えば、フラクションコレクタ280又は廃棄物容器などと接続された)を有する出力選択弁270と、
システムを通る液体の流れを制御するためにポンプ及び弁に接続され、かつ流れをモニタリングするためにセンサ及びモニタに接続されたシステムコントローラ100(接続は、点線310によって示されている)と
を備える。図7の実施形態では、モニタシステムのコントローラ50は、モニタシステムの専用コントローラであってもよいし、或いは、その機能が、システムコントローラ100に組み込まれてもよい。
Claims (6)
- 光源と光検出器の間に吸収検出光路を画成するように配置された光源及び光検出器と、光源の動作を制御するように構成されたコントローラとを備える吸収モニタシステムであって、光源が、UV域の光を発光できる発光ダイオード(UV−LED)を備え、吸収モニタシステムが、対照光検出器を備えておらず、コントローラが、UV−LEDからの光出力強度の変動を補償するように構成されている、吸収モニタシステム。
- UV−LEDの温度を記録するための温度センサを備え、コントローラが、温度変化に起因するUV−LEDからの光出力強度の変動を補償するために、記録された温度に応じてUV−LEDからの光出力強度を制御するように構成されている、請求項1に記載の吸収モニタシステム。
- コントローラが、使用時間に起因するUV−LEDからの光出力強度の変動を補償するために、UV−LEDが動作した総時間(LED使用時間)を記録し、記録されたLED使用時間に応じてUV−LEDからの光出力強度を制御するように構成されている、請求項1又は2に記載の吸収モニタシステム。
- コントローラが、知られている吸収能力を有する試料に関する対照吸収信号を記録及び記憶し、対照吸収信号を用いて、光検出器によって記録された吸収信号に対照補正を加えるように構成されている、請求項1乃至請求項3のいずれか1項に記載の吸収モニタシステム。
- コントローラが、対照吸収信号が所定の閾値を超えたときに警告信号を供給するように構成されている、請求項4に記載の吸収モニタシステム。
- 流体流路及び2つの対向する窓を有するフローセルを備え、流体流路及び2つの対向する窓が、2つの対向する窓の間に吸収検出光路を提供しており、一方の窓が、UV−LEDからの光を受光するように配置され、他方の窓が、吸収検出光路からの光を光検出器へ出力するように配置されている、請求項1乃至請求項5のいずれか1項に記載の吸収モニタシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN2812/DEL/2013 | 2013-09-24 | ||
IN2812DE2013 | 2013-09-24 | ||
PCT/EP2014/069865 WO2015044020A2 (en) | 2013-09-24 | 2014-09-18 | Optical absorption monitor system |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2016530546A true JP2016530546A (ja) | 2016-09-29 |
Family
ID=51610096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016543395A Pending JP2016530546A (ja) | 2013-09-24 | 2014-09-18 | 光吸収モニタシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US9880093B2 (ja) |
EP (1) | EP3049791B1 (ja) |
JP (1) | JP2016530546A (ja) |
CN (1) | CN105556282A (ja) |
WO (1) | WO2015044020A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019517244A (ja) * | 2016-04-04 | 2019-06-24 | ペン, ホンPENG, Hong | 低消費電力の細胞培養監視システム |
WO2022030079A1 (ja) * | 2020-08-03 | 2022-02-10 | 株式会社ジェイ・エム・エス | 濃度測定装置及び制御方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2015580B1 (en) * | 2015-10-07 | 2017-05-02 | Aquacolor Sensors B V | Sensor system for spectrophotometric measurement of components and method there for. |
AT518433B1 (de) * | 2016-04-18 | 2017-10-15 | Scan Messtechnik Ges Mbh | Spektrometer und Verfahren zur Untersuchung der Inhaltsstoffe eines Fluids |
GB201612010D0 (en) * | 2016-07-11 | 2016-08-24 | Ge Healthcare | A method and a measuring device for measuring the absorbance of a substance in a solution |
US20180020522A1 (en) * | 2016-07-14 | 2018-01-18 | Thomas R. Rogers, III | Light Maintenance System |
WO2018156799A1 (en) * | 2017-02-23 | 2018-08-30 | Phoseon Technology, Inc. | Integrated illumination-detection flow cell for liquid chromatography |
EP4098984A1 (en) | 2017-09-19 | 2022-12-07 | Beckman Coulter Inc. | Analog light measuring and photon counting in chemiluminescence measurements |
GB2578920A (en) * | 2018-11-14 | 2020-06-03 | Duvas Tech Limited | Lighting arrangement for fluid analysis system |
US20220283081A1 (en) * | 2019-09-18 | 2022-09-08 | Fujikin Incorporated | Density measurement device |
WO2022185311A1 (en) * | 2021-03-04 | 2022-09-09 | Maytronics Ltd. | Systems and methods for monitoring fluid of a fluid facility having an inspection subsystem for inspection of light sources used in the monitoring system |
Citations (8)
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JPH05107184A (ja) * | 1991-08-06 | 1993-04-27 | Calsonic Corp | オイル劣化検出装置 |
US5452076A (en) * | 1993-09-29 | 1995-09-19 | Optiguard, Inc. | Fluid detection system |
JP2003090793A (ja) * | 2001-09-20 | 2003-03-28 | Fuji Photo Film Co Ltd | 全反射減衰を利用したセンサー |
EP1647820A2 (en) * | 2002-09-06 | 2006-04-19 | Tdw Delaware, Inc. | Method and device for detecting gases by absorption spectroscopy |
JP2007093410A (ja) * | 2005-09-29 | 2007-04-12 | Shimadzu Corp | 分光光度計 |
JP2009517641A (ja) * | 2005-11-29 | 2009-04-30 | ジーイー・ヘルスケア・バイオサイエンス・アクチボラグ | 溶液中の物質の濃度の測定方法及び装置 |
JP2009279576A (ja) * | 2008-04-24 | 2009-12-03 | Panasonic Electric Works Co Ltd | 紫外線照射装置 |
JP2012227277A (ja) * | 2011-04-18 | 2012-11-15 | Panasonic Corp | Ledモジュール |
Family Cites Families (6)
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US5078497A (en) * | 1989-08-25 | 1992-01-07 | Xerox Corporation | Densitometer for a liquid developer material |
US7084392B2 (en) * | 2002-06-04 | 2006-08-01 | Baker Hughes Incorporated | Method and apparatus for a downhole fluorescence spectrometer |
US7019662B2 (en) * | 2003-07-29 | 2006-03-28 | Universal Lighting Technologies, Inc. | LED drive for generating constant light output |
CN101776588A (zh) * | 2010-01-04 | 2010-07-14 | 武汉理工大学 | 低能耗高稳定液相led光催化反应系统 |
EP2618635A1 (en) * | 2012-01-19 | 2013-07-24 | Koninklijke Philips Electronics N.V. | Self-adjusting lighting driver for driving lighting sources and lighting unit including self-adjusting lighting driver |
JP2017129374A (ja) * | 2016-01-18 | 2017-07-27 | 株式会社堀場製作所 | 分析装置、及び、分析方法 |
-
2014
- 2014-09-18 CN CN201480052377.XA patent/CN105556282A/zh active Pending
- 2014-09-18 EP EP14772101.3A patent/EP3049791B1/en active Active
- 2014-09-18 JP JP2016543395A patent/JP2016530546A/ja active Pending
- 2014-09-18 US US15/024,593 patent/US9880093B2/en active Active
- 2014-09-18 WO PCT/EP2014/069865 patent/WO2015044020A2/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05107184A (ja) * | 1991-08-06 | 1993-04-27 | Calsonic Corp | オイル劣化検出装置 |
US5452076A (en) * | 1993-09-29 | 1995-09-19 | Optiguard, Inc. | Fluid detection system |
JP2003090793A (ja) * | 2001-09-20 | 2003-03-28 | Fuji Photo Film Co Ltd | 全反射減衰を利用したセンサー |
EP1647820A2 (en) * | 2002-09-06 | 2006-04-19 | Tdw Delaware, Inc. | Method and device for detecting gases by absorption spectroscopy |
JP2007093410A (ja) * | 2005-09-29 | 2007-04-12 | Shimadzu Corp | 分光光度計 |
JP2009517641A (ja) * | 2005-11-29 | 2009-04-30 | ジーイー・ヘルスケア・バイオサイエンス・アクチボラグ | 溶液中の物質の濃度の測定方法及び装置 |
JP2009279576A (ja) * | 2008-04-24 | 2009-12-03 | Panasonic Electric Works Co Ltd | 紫外線照射装置 |
JP2012227277A (ja) * | 2011-04-18 | 2012-11-15 | Panasonic Corp | Ledモジュール |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019517244A (ja) * | 2016-04-04 | 2019-06-24 | ペン, ホンPENG, Hong | 低消費電力の細胞培養監視システム |
WO2022030079A1 (ja) * | 2020-08-03 | 2022-02-10 | 株式会社ジェイ・エム・エス | 濃度測定装置及び制御方法 |
Also Published As
Publication number | Publication date |
---|---|
US20160231232A1 (en) | 2016-08-11 |
US9880093B2 (en) | 2018-01-30 |
CN105556282A (zh) | 2016-05-04 |
EP3049791A2 (en) | 2016-08-03 |
WO2015044020A2 (en) | 2015-04-02 |
WO2015044020A3 (en) | 2015-05-21 |
EP3049791B1 (en) | 2020-04-15 |
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