JP6766214B2 - 被分析物を測定するための非酵素的電気化学センサ - Google Patents
被分析物を測定するための非酵素的電気化学センサ Download PDFInfo
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- JP6766214B2 JP6766214B2 JP2019073023A JP2019073023A JP6766214B2 JP 6766214 B2 JP6766214 B2 JP 6766214B2 JP 2019073023 A JP2019073023 A JP 2019073023A JP 2019073023 A JP2019073023 A JP 2019073023A JP 6766214 B2 JP6766214 B2 JP 6766214B2
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- ZOQCZTRFTARYGJ-UHFFFAOYSA-N chlorooxy(phenyl)borinic acid Chemical class ClOB(O)C1=CC=CC=C1 ZOQCZTRFTARYGJ-UHFFFAOYSA-N 0.000 description 1
- 125000003016 chromanyl group Chemical group O1C(CCC2=CC=CC=C12)* 0.000 description 1
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- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 125000005436 dihydrobenzothiophenyl group Chemical group S1C(CC2=C1C=CC=C2)* 0.000 description 1
- KZYDBKYFEURFNC-UHFFFAOYSA-N dioxorhodium Chemical compound O=[Rh]=O KZYDBKYFEURFNC-UHFFFAOYSA-N 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- YFXCNIVBAVFOBX-UHFFFAOYSA-N ethenylboronic acid Chemical compound OB(O)C=C YFXCNIVBAVFOBX-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- ZHOGHWVKKXUAPI-UHFFFAOYSA-N fluorooxy(phenyl)borinic acid Chemical class FOB(O)C1=CC=CC=C1 ZHOGHWVKKXUAPI-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
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- 229940116332 glucose oxidase Drugs 0.000 description 1
- 235000019420 glucose oxidase Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000003387 indolinyl group Chemical group N1(CCC2=CC=CC=C12)* 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 125000000956 methoxy group Chemical class [H]C([H])([H])O* 0.000 description 1
- LBBMOAOCCQOIAQ-UHFFFAOYSA-N methoxy(phenyl)borinic acid Chemical compound COB(O)C1=CC=CC=C1 LBBMOAOCCQOIAQ-UHFFFAOYSA-N 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- 125000004370 n-butenyl group Chemical group [H]\C([H])=C(/[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 239000003642 reactive oxygen metabolite Substances 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000002094 self assembled monolayer Substances 0.000 description 1
- 239000013545 self-assembled monolayer Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 210000001179 synovial fluid Anatomy 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000147 tetrahydroquinolinyl group Chemical group N1(CCCC2=CC=CC=C12)* 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Description
本出願は、2014年4月23日に出願された米国仮出願第61/983,188号の優先権を主張し、その内容は、完全に参照によって本明細書に組み込まれる。
本明細書において説明される実施形態は、一般的に、ジ第四級アンモニウム塩を含む組成物、そして特に試料溶液の中の標的分析物を電気化学的に感知することができるボロン酸に基づく合成レドックス活性受容体を含む組成物に関する。
AおよびA'は、独立してヘテロアリールであり、少なくとも一つの窒素原子を含み、
Zは、C1−C6アルキル、C2−C6アルケニルまたはC2−C6アルキニル基からなる炭素リンカーであり、
LおよびL'は、独立して−C(O)−、−C(O)−O、−(CH2)m−、−C(=CH2)−、−C(O)−NH−、−NH−C(O)−、−O−、−S−、=CH−および−CH=からなる群より選択され、式中、mは1から20までの整数である)
の化合物に関する。
Xは陰イオンであり;
RおよびR'は、独立して、−(CH2)P−R1であり;
R1は、C1−C6アルキル−B(OR2)(OR3)、アリール−B(OR2)(OR3)、ヘテロアリール−B(OR2)(OR3)またはヘテロシクリル−B(OR2)(OR3)であり;
R2およびR3は、独立して、H、C1−C6アルキルであり、またはR2およびR3はB原子と組み合わせて環構造を形成することができ;
LおよびL'は、独立して、H、ハロゲン、OH、CN、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキル、アルキルチオ、アリールチオ、アルコキシ、アリールオキシ、−COOR4、NH2、−C(O)N(H)−(CH2)P−N(H)C(O)−R4、−C(O)NH(R4)または−N(H)C(O)R4であり;
R4は、各存在で独立して、H、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキルであり;
nは、2、3、4、5または6であり;および
pは、独立して、0、1、2、3、4、5または6である
の化合物に関する。
Xは陰イオンであり;
RおよびR'は、独立して、−(CH2)P−R1であり;
R1は、C1−C6アルキル−B(OR2)(OR3)、アリール−B(OR2)(OR3)、ヘテロアリール−B(OR2)(OR3)、ヘテロシクリル−B(OR2)(OR3)であり;
R2およびR3は、独立して、H、C1−C6アルキルであり、またはR2およびR3はB原子と組み合わせて環構造を形成することができ;
LおよびL'は、独立して、H、ハロゲン、OH、CN、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキル、アルキルチオ、アリールチオ、アルコキシ、アリールオキシ、−COOR4、NH2、−C(O)N(H)−(CH2)P−N(H)C(O)−R4、−C(O)NH(R4)または−N(H)C(O)R4であり;
R4は、各存在で独立して、H、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキルであり;
nは、2、3、4、5または6であり;および
pは、独立して、0、1、2、3、4、5または6である
のいずれか一つの塩を含むことができる。
のいずれか一つの塩を含むことができる。
スキーム2
一部の実施形態では、作用電極110の少なくとも一部は、絶縁材料、例えば、ゴム、TEFLON(登録商標)、プラスチック、パリレン、二酸化ケイ素、窒化ケイ素、その他の適切な絶縁材料またはそれらの組み合わせで絶縁されることができる。絶縁材料は、例えば、作用電極110の作用面積を定めるために使用されることができる。
グルコース感知のための電気化学センサは、作用電極上に、本明細書において説明される構造P17を有するボロン酸ビオロゲンを含む合成レドックス活性受容体を配置することによって製造された。作用電極は、ステンレススチールのワイヤーにロジウムを電気めっきすることによって形成されたロジウム電極を含めた。作用電極は、PalmSens MultiTraceポテンショスタットによって、Ag/AgCl参照電極および白金の対電極と電子的に結合された。作用電極は、1mg/mLのP17および0.1M PBSを含む試料溶液に浸された。試料溶液中の合成レドックス活性受容体のレドックス挙動を観察するためにサイクリックボルタンメトリーを行った。電圧は、−0.7ボルトと0ボルトとの間で掃引した。約50mg/dL、100mg/dL、200mg/dL、300mg/dL、および400mg/dLの間にわたるグルコース濃度の増加が、試料溶液に追加された。サイクリックボルタンメトリーは、合成レドックス活性受容体のレドックス電位の変化を観察するために、濃度が上昇する毎に、その後に行った。図3は、様々なグルコース濃度に応答した合成レドックス活性受容体のサイクリックボルタモグラムを示す。レドックスのピークは左に向かって移動した。レドックスのピークの移動は、グルコース濃度の上昇に対応して、−0.35ボルトでの電流上昇という結果となった。図4は、図3に示されたサイクリックボルタモグラムから抽出した、グルコース濃度対−0.35ボルトで測定された電流のプロットを示す。合成レドックス活性受容体は、グルコース濃度の上昇に対応するレドックス電流の線形増加を実証し、約252.99nA/[mg/dL]のグルコースへの感度を有した。
グルコース感知のための電気化学センサは、本明細書において説明したようなジヒドロベンゾジイミダゾールジイウム構造(例えばP15、P14)を有するボロン酸ビオロゲンを含む合成レドックス活性受容体を、作用電極上に配置することにより製造する。
Claims (11)
- 作用電極;
作用電極上に配置される組成物であって、標的分析物が分解しないように標的分析物と可逆的に結合するように策定された組成物であり、標的分析物の非存在下における第一のレドックス電位を有し、標的分析物の存在下における第一のレドックス電位とは異なる第二のレドックス電位を有する組成物;
参照電極;
作用電極と参照電極とを電子的に結合する電気回路を含み、
ここで、組成物が、式(Va):
Xは陰イオンであり;
LおよびL’は、独立して、H、ハロゲン、OH、CN、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキル、アルキルチオ、アリールチオ、アルコキシ、アリールオキシ、−COOR4、NH2、−C(O)N(H)−(CH2)P−N(H)C(O)−R4、−C(O)NH(R4)または−N(H)C(O)R4であり;
R4は、各存在で独立して、H、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキルであり;および
nは2、3、4、5または6である)
で示される塩を含む、
電気化学センサ。 - 電気回路が、(a)−0.77ボルトから+0.44ボルトまでの範囲の電圧で作用電極をバイアスするため、および(b)標的分析物の濃度に対応する電流または電圧を測定するために使用することができる電気回路である、請求項1記載の電気化学センサ。
- 組成物がポリマーを含む、請求項1又は2記載の電気化学センサ。
- 被分析物濃度が、アンペロメトリー測定、パルスアンペロメトリー測定、示差パルス測定または電位差測定によって決定される、請求項1〜3のいずれか1項記載の電気化学センサ。
- 作用電極の少なくとも一部が、ロジウム、金、白金およびパラジウムの少なくとも一つを含む、請求項1〜4のいずれか1項記載の電気化学センサ。
- 作用電極がロジウム酸化物を含む、請求項1〜4のいずれか1項記載の電気化学センサ。
- 標的分析物が、ジオール、ドパミン、グルコース、グルタミン酸塩、α-ヒドロキシ酸または乳酸である、請求項1〜6のいずれか1項記載の電気化学センサ。
- 組成物が、エステル化によって標的分析物と可逆的に結合するように策定されている、請求項1〜7のいずれか1項記載の電気化学センサ。
- 参照電極が、ロジウムおよびその酸化物、イリジウムおよびその酸化物、ならびにパラジウムおよびその酸化物の少なくとも一つを含む、請求項1〜8のいずれか1項記載の電気化学センサ。
- 参照電極が、銀/塩化銀を含む、請求項1〜8のいずれか1項記載の電気化学センサ。
- 式(Va):
Xは陰イオンであり;
LおよびL’は、独立して、H、ハロゲン、OH、CN、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキル、アルキルチオ、アリールチオ、アルコキシ、アリールオキシ、−COOR4、NH2、−C(O)N(H)−(CH2)P−N(H)C(O)−R4、−C(O)NH(R4)または−N(H)C(O)R4であり;
R4は、各存在で独立して、H、C1−C6アルキル、C2−C6アルケニル、C2−C6アルキニル、アリール、ヘテロアリール、ヘテロシクリル、シクロアルキルであり;および
nは2、3、4、5または6である)
で示される塩。
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