JP5650728B2 - 化学センサ - Google Patents
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- JP5650728B2 JP5650728B2 JP2012512913A JP2012512913A JP5650728B2 JP 5650728 B2 JP5650728 B2 JP 5650728B2 JP 2012512913 A JP2012512913 A JP 2012512913A JP 2012512913 A JP2012512913 A JP 2012512913A JP 5650728 B2 JP5650728 B2 JP 5650728B2
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- 239000000126 substance Substances 0.000 title claims description 94
- 238000006243 chemical reaction Methods 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 102000004190 Enzymes Human genes 0.000 claims description 9
- 108090000790 Enzymes Proteins 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 4
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 18
- 241000700605 Viruses Species 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 239000000758 substrate Substances 0.000 description 12
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 10
- 239000013566 allergen Substances 0.000 description 9
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- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003752 polymerase chain reaction Methods 0.000 description 5
- 239000010931 gold Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000013076 target substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000006911 enzymatic reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005459 micromachining Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 239000002094 self assembled monolayer Substances 0.000 description 2
- 239000013545 self-assembled monolayer Substances 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 230000006820 DNA synthesis Effects 0.000 description 1
- 102000016928 DNA-directed DNA polymerase Human genes 0.000 description 1
- 108010014303 DNA-directed DNA polymerase Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 239000010408 film Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
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- 230000001788 irregular Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- 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
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0059—Avoiding interference of a gas with the gas to be measured
- G01N33/006—Avoiding interference of water vapour with the gas to be measured
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0645—Electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0825—Test strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1822—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using Peltier elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0406—Moving fluids with specific forces or mechanical means specific forces capillary forces
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- 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
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- 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
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
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- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Hematology (AREA)
- Clinical Laboratory Science (AREA)
- Electrochemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Description
れる気体注入孔と、気体注入孔から注入された気体に含まれる被測定物質を採取する試料
採取部と、試料採取部により採取された被測定物質を試料反応部へ運搬する試料運搬部と、試料運搬部により運搬された被測定物質と所定の反応を生ずる反応物質を有する試料反応部と、試料反応部において反応物質と反応した被測定物質を検出する検出部とを備える。試料採取部は、気体注入孔から注入された気体に含まれる水蒸気を液化するペルチェ素子を有する化学センサであって、試料運搬部は、試料採取部と試料反応部との間に設けられる。
図1(a)を参照して、本発明の第1の実施の形態に係わる化学センサの全体構成を説明する。第1の実施の形態に係わる化学センサは、化学センサ全体を支持する基板としての機能を有するセンサ保持部11と、被測定物質を含む空気などの気体が注入される気体注入孔12と、気体注入孔12から注入された気体に含まれる被測定物質を採取する試料採取部13と、試料採取部13により採取された被測定物質を試料反応部15へ運搬する試料運搬部14と、試料運搬部14により運搬された被測定物質と所定の反応を生ずる反応物質を有する試料反応部15と、試料反応部15において反応物質と反応した被測定物質を検出する検出部16とを備える。
尚、図1(a)では、気体注入孔12を試料採取部13より上流の前方に設けた例を示したが、上述したように、本発明では、試料採取部13は気体注入孔12に近接して配置されていればよく、例えば、気体注入孔12を試料採取部13の上に設けてもよい。
ペルチェ材料としては、例えば、酸化銅やポリシリコン薄膜などであれば、小型化の観点から好ましい。このように本発明では、ペルチェ素子によるペルチェ冷却効果によって、気体注入孔から注入された気体に含まれる水蒸気を液化することができる。液化された水蒸気には被測定物質が溶解されているので、被測定物質を含む溶液Lqdを作成することができる。よって、試料採取部13は、気体注入孔12から注入された気体から、被測定物質を含む溶液Lqdを自動採取することができる。
図4(a)及び図4(b)を参照して、第2の実施の形態に係わる試料反応部15の具体的な構成例を説明する。第2の実施の形態に係わる化学センサの試料反応部15を除く他の構成は、第1の実施の形態と同じであるため、図示及び説明を省略する。
今回、検出方法として、電極を用いる方法を示したが、増幅されたDNAが発する蛍光による測定方法であっても、同様の検出が可能である。
図5を参照して、本発明の第3の実施の形態に係わる化学センサの全体構成を説明する。第2の実施の形態に係わる化学センサは、アレイ状に配列された複数の単位センサCS1〜CS4、・・・からなる。この単位センサCSの各々は、図1(a)に示した気体注入孔12、試料採取部13、試料運搬部14、試料反応部15及び検出部16により構成されている。複数の単位センサCSは、1つのセンサ保持部11に一体に形成されている。
12 気体注入孔
13 試料採取部
14 試料運搬部
15 試料反応部
16 検出部
131 ペルチェ素子
151 ヒーター(加温部)
152 温度センサー(温度測定部)
162 電極
163 抗体
CS 単位センサ
Claims (7)
- センサ保持部と、
被測定物質を含む気体が注入される気体注入孔と、
前記気体注入孔から注入された気体に含まれる被測定物質を採取する試料採取部と、
前記試料採取部により採取された被測定物質を試料反応部へ運搬する試料運搬部と、
前記試料運搬部により運搬された被測定物質と所定の反応を生ずる反応物質を有する試料反応部と、
前記試料反応部において前記反応物質と反応した被測定物質を検出する検出部とを備え、
前記試料採取部は、前記気体注入孔から注入された気体に含まれる水蒸気を液化するペルチェ素子を有する化学センサであって、
前記試料運搬部は、前記試料採取部と前記試料反応部との間に設けられる
ことを特徴とする化学センサ。 - 前記気体注入孔、前記試料採取部、前記試料運搬部、前記試料反応部及び前記検出部は、前記センサ保持部に一体に形成された請求項1に記載の化学センサ。
- 前記試料運搬部はキャピラリ構造を有し、当該キャピラリ構造の一端は前記ペルチェ素子に近接していることを特徴とする請求項1又は2に記載の化学センサ。
- 前記試料反応部は、前記試料運搬部により運搬された被測定物質と特異的に反応する抗体、酵素、レセプタ及びタンパク質のうち少なくともいずれか一つを有することを特徴とする請求項1〜3のうちのいずれか1つに記載の化学センサ。
- 前記試料反応部は、
前記試料運搬部により運搬された前記被測定物質を加温する加温部と、
前記被測定物質の温度を測定する温度測定部と、
を備えることを特徴とする請求項1〜4のうちのいずれか1つに記載の化学センサ。 - 前記検出部は、
前記反応物質と反応した被測定物質と結合する抗体と、
当該抗体を担持する電極と、を備え、
当該電極は、ポーラス構造を有する
ことを特徴とする請求項1〜5のうちのいずれか1つに記載の化学センサ。 - 前記気体注入孔、前記試料採取部、前記試料運搬部、前記試料反応部及び前記検出部が1つの単位センサを構成し、複数の前記単位センサが、1つの前記センサ保持部に一体に形成されていることを特徴とする請求項1〜6のうちのいずれか1つに記載の化学センサ。
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JP2012512913A JP5650728B2 (ja) | 2010-04-28 | 2011-04-28 | 化学センサ |
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JP2010104252 | 2010-04-28 | ||
JP2010104252 | 2010-04-28 | ||
JP2012512913A JP5650728B2 (ja) | 2010-04-28 | 2011-04-28 | 化学センサ |
PCT/JP2011/060404 WO2011136344A1 (ja) | 2010-04-28 | 2011-04-28 | 化学センサ |
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JPWO2011136344A1 JPWO2011136344A1 (ja) | 2013-07-22 |
JP5650728B2 true JP5650728B2 (ja) | 2015-01-07 |
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US (1) | US20130040374A1 (ja) |
EP (1) | EP2565616B1 (ja) |
JP (1) | JP5650728B2 (ja) |
KR (1) | KR20130028929A (ja) |
CN (1) | CN102869974B (ja) |
SG (1) | SG185064A1 (ja) |
TW (1) | TWI497072B (ja) |
WO (1) | WO2011136344A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US9075225B2 (en) | 2009-10-28 | 2015-07-07 | Alentic Microscience Inc. | Microscopy imaging |
US9448198B2 (en) * | 2011-07-05 | 2016-09-20 | Stmicroelectronics Pte Ltd. | Microsensor with integrated temperature control |
US9829486B2 (en) | 2012-03-05 | 2017-11-28 | Panasonic Intellectual Property Management Co., Ltd. | Sensor device |
WO2015019522A1 (ja) | 2013-08-08 | 2015-02-12 | パナソニック株式会社 | 核酸増幅デバイス、核酸増幅装置及び核酸増幅方法 |
TWI522174B (zh) * | 2014-01-29 | 2016-02-21 | 國立屏東科技大學 | 微流體蒸氣蒸餾晶片 |
KR101982330B1 (ko) * | 2015-09-14 | 2019-05-24 | 에센릭스 코프. | 증기 응축액 특히 입김 응축액을 수집 및 분석하기 위한 장치 및 시스템 그리고 이 장치 및 시스템을 사용하는 방법 |
EP3792613A1 (en) | 2016-04-08 | 2021-03-17 | Alentic Microscience Inc. | Sample processing for microscopy |
CN110125369B (zh) * | 2019-05-16 | 2020-12-11 | 西北工业大学 | 在微流控芯片中制备低熔点合金电极的方法 |
CN116203093A (zh) * | 2021-11-30 | 2023-06-02 | 苏州科技大学 | 自动化酶标催化底物放大杂化dna信号的电化学微流控生物芯片及其应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102869974A (zh) | 2013-01-09 |
US20130040374A1 (en) | 2013-02-14 |
EP2565616B1 (en) | 2020-08-05 |
WO2011136344A1 (ja) | 2011-11-03 |
CN102869974B (zh) | 2014-10-15 |
SG185064A1 (en) | 2012-11-29 |
EP2565616A4 (en) | 2013-12-04 |
TWI497072B (zh) | 2015-08-21 |
EP2565616A1 (en) | 2013-03-06 |
TW201207394A (en) | 2012-02-16 |
JPWO2011136344A1 (ja) | 2013-07-22 |
KR20130028929A (ko) | 2013-03-20 |
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