JP7466135B2 - 電極装置 - Google Patents
電極装置 Download PDFInfo
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- JP7466135B2 JP7466135B2 JP2019023535A JP2019023535A JP7466135B2 JP 7466135 B2 JP7466135 B2 JP 7466135B2 JP 2019023535 A JP2019023535 A JP 2019023535A JP 2019023535 A JP2019023535 A JP 2019023535A JP 7466135 B2 JP7466135 B2 JP 7466135B2
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- 239000008346 aqueous phase Substances 0.000 claims description 85
- 239000012071 phase Substances 0.000 claims description 81
- 239000004530 micro-emulsion Substances 0.000 claims description 47
- 239000003921 oil Substances 0.000 description 77
- 235000019198 oils Nutrition 0.000 description 77
- 239000000499 gel Substances 0.000 description 60
- 239000000758 substrate Substances 0.000 description 51
- 239000013076 target substance Substances 0.000 description 51
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- 238000002484 cyclic voltammetry Methods 0.000 description 23
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- 239000000178 monomer Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 14
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- 238000009792 diffusion process Methods 0.000 description 11
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- 238000005259 measurement Methods 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000003999 initiator Substances 0.000 description 9
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- 238000000840 electrochemical analysis Methods 0.000 description 6
- 239000000017 hydrogel Substances 0.000 description 6
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- 239000008151 electrolyte solution Substances 0.000 description 4
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002848 electrochemical method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000027756 respiratory electron transport chain Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229920001059 synthetic polymer Polymers 0.000 description 3
- BYGOPQKDHGXNCD-UHFFFAOYSA-N tripotassium;iron(3+);hexacyanide Chemical compound [K+].[K+].[K+].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] BYGOPQKDHGXNCD-UHFFFAOYSA-N 0.000 description 3
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- GJKGAPPUXSSCFI-UHFFFAOYSA-N 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone Chemical compound CC(C)(O)C(=O)C1=CC=C(OCCO)C=C1 GJKGAPPUXSSCFI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004082 amperometric method Methods 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000002847 impedance measurement Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000004313 potentiometry Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004832 voltammetry Methods 0.000 description 2
- 229940114072 12-hydroxystearic acid Drugs 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- 229920000936 Agarose Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011874 heated mixture Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 229920000058 polyacrylate Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- -1 potassium ferricyanide Chemical compound 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- AWDBHOZBRXWRKS-UHFFFAOYSA-N tetrapotassium;iron(6+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+6].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] AWDBHOZBRXWRKS-UHFFFAOYSA-N 0.000 description 1
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
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Classifications
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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
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
-
- 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
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
-
- 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
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3271—Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood
- G01N27/3272—Test elements therefor, i.e. disposable laminated substrates with electrodes, reagent and channels
Description
前記イオン伝導性媒質は、連続相である水相、および、連続相である油相を含む両連続マイクロエマルションからなり、前記水相および前記油相のうち、少なくともいずれか一方が、ゲルである、電極装置を含む。
水相がゲルである電極装置の第1実施形態を説明する。
基板2の寸法は、電極装置1の用途および目的に応じて適宜設定される。基板2の厚みは、例えば、3000μm以下であり、また、例えば、10μm以上である。また、基板2の短手方向長さが、例えば、5mm以上であり、また、例えば、100mm以下、好ましくは、30mm以下である。基板2の長手方向長さが、例えば、10mm以上、好ましくは、20mm以上であり、また、例えば、1000mm以下、好ましくは、50mm以下である。
ip:ピーク電流
n=対象物質の当量/モル
A=作用極3の表面積cm2
D=拡散係数(cm2/秒)
C=対象物質の濃度(mol/cm3)
v=掃引速度(V/秒)
そして、この電極装置1では、イオン伝導性媒質7が、作用極3および対極4に跨がっているので、作用極3および対極4間のイオン伝導を実施できる。
以下の各変形例において、上記した第1実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、各変形例は、特記する以外、第1実施形態と同様の作用効果を奏することができる。さらに、第1実施形態およびその変形例を適宜組み合わせることができる。
以下の第2実施形態において、上記した第1実施形態およびその変形例と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、第2実施形態は、特記する以外、第1実施形態およびその変形例と同様の作用効果を奏することができる。さらに、第1実施形態、その変形例、および、第2実施形態を適宜組み合わせることができる。
第3実施形態において、上記した第1実施形態、その変形例および第2実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、第3実施形態は、特記する以外、第1実施形態、その変形例および第2実施形態と同様の作用効果を奏することができる。さらに、第1実施形態、その変形例、第2実施形態、および、第3実施形態を適宜組み合わせることができる。
表1に示す全ての成分を、表1に示す量に従って、配合して、両連続マイクロエマルションを調製した。
両連続マイクロエマルションの水相をゲルにせず、また、別途、図6に示すように、電解セル12を準備した以外は、実施例1と同様に処理した。
イオン導電性媒質7の調製を以下の通りに変更し、油相をゲルにし、ゲルの調製方法下記のように変更した以外は、実施例1と同様に処理した。
(1) 実施例1
図7から分かるように、実施例1では、水相がゲルであるイオン導電性媒質7によって、脂溶性の対象物質であるフェロセンをサイクリックボルタンメトリーすることができた。また、実施例1および比較例1のサイクリックボルタモグラムは、ほぼ同一であり、また、拡散定数もほぼ等しい。その結果、実施例1のサイクリックボルタンメトリー優れた精度が維持されたことが分かる。
(2) 実施例2
図9から分かるように、実施例2では、油相がゲルであるイオン導電性媒質7によって、親水性の対象物質であるフェリシアン化カリウム(III)をサイクリックボルタンメトリーすることができた。
3 作用極(第1電極の一例)
4 対極(第2電極の一例)
5 参照極
7 イオン導電性媒質
13 両連続マイクロエマルション
Claims (4)
- 第1電極と、
前記第1電極と間隔が隔てられる第2電極と、
前記第1電極および前記第2電極と接触するように、それらに跨がるイオン伝導性媒質とを備え、
前記イオン伝導性媒質は、連続相である水相、および、連続相である油相を含む両連続マイクロエマルションからなり、
前記水相が、ゲルであり、
前記油層が、ゲルであり、
前記イオン伝導性媒質の厚みが、10μm以上、1500μm以下であることを特徴とする、電極装置。 - 前記第1電極が、作用極であり、
前記第2電極が、対極であることを特徴とする、請求項1に記載の電極装置。 - 前記作用極および前記対極と間隔が隔てられる参照極をさらに備え、
前記イオン伝導性媒質は、前記作用極、前記対極および前記参照極と接触するように、それらに跨がることを特徴とする、請求項2に記載の電極装置。 - 前記第1電極および前記第2電極は、平帯形状を有し、
前記イオン伝導性媒質は、シート形状を有することを特徴とする、請求項1~3のいずれか一項に記載の電極装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019023535A JP7466135B2 (ja) | 2019-02-13 | 2019-02-13 | 電極装置 |
EP20755920.4A EP3926337A4 (en) | 2019-02-13 | 2020-02-03 | ELECTRODE DEVICE |
US17/429,247 US20220136992A1 (en) | 2019-02-13 | 2020-02-03 | Electrode device |
CN202080012361.1A CN113383231B (zh) | 2019-02-13 | 2020-02-03 | 电极装置 |
PCT/JP2020/003976 WO2020166416A1 (ja) | 2019-02-13 | 2020-02-03 | 電極装置 |
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JP2019023535A JP7466135B2 (ja) | 2019-02-13 | 2019-02-13 | 電極装置 |
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JP2020134164A JP2020134164A (ja) | 2020-08-31 |
JP7466135B2 true JP7466135B2 (ja) | 2024-04-12 |
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US (1) | US20220136992A1 (ja) |
EP (1) | EP3926337A4 (ja) |
JP (1) | JP7466135B2 (ja) |
CN (1) | CN113383231B (ja) |
WO (1) | WO2020166416A1 (ja) |
Citations (3)
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JP2011527713A (ja) | 2008-07-09 | 2011-11-04 | エージェンシー フォー サイエンス, テクノロジー アンド リサーチ | ポリマーの孔中にグルコースプローブを捕捉する方法 |
JP2016208883A (ja) | 2015-04-30 | 2016-12-15 | 株式会社東芝 | 測定用セル、検出装置および分析装置 |
JP2018535421A (ja) | 2015-11-27 | 2018-11-29 | ラジオメーター・メディカル・アー・ペー・エス | 酵素センサ用の外層 |
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TW369558B (en) | 1994-01-28 | 1999-09-11 | Minnesota Mining & Mfg | Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same |
CN100438206C (zh) * | 2003-07-14 | 2008-11-26 | 株式会社藤仓 | 电解质组合物、使用其的光电变换元件和色素增感太阳电池 |
CN103534588A (zh) * | 2011-07-05 | 2014-01-22 | 松下电器产业株式会社 | 通过置换式溶出法对化学物质进行定量的方法 |
JP5874063B2 (ja) | 2012-01-12 | 2016-03-01 | サンノプコ株式会社 | 消泡剤 |
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- 2020-02-03 EP EP20755920.4A patent/EP3926337A4/en active Pending
- 2020-02-03 US US17/429,247 patent/US20220136992A1/en active Pending
- 2020-02-03 WO PCT/JP2020/003976 patent/WO2020166416A1/ja unknown
- 2020-02-03 CN CN202080012361.1A patent/CN113383231B/zh active Active
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