JP2011518321A - ナノ粒子による電気化学発光の増幅方法および増幅装置 - Google Patents
ナノ粒子による電気化学発光の増幅方法および増幅装置 Download PDFInfo
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Abstract
Description
本出願は、以下の出願、2008年4月11日出願の米国特許仮出願61/123,780、2008年4月11日出願の米国特許仮出願61/123,943、および2008年4月21日出願の米国特許仮出願61/124,935、の利益を主張し、その全ての内容は完全に本明細書で参照により組み込まれる。
Jp,s=Dp 1/2Cp/π1/2t1/2
により得られる。
一つの実施形態において、試料を分析する方法を提供する。この方法は、一つ以上の導電性またはレドックス活性のNPsを試料室内の液体試料に添加し、電極でのNPsと液体試料との相互作用により発生する一つ以上の電気化学的および/または光学的特性を観察することを包含する。一つ以上の電気化学的および/または光学的特性の測定には、ナノ粒子が触媒するレドックス反応から得られる電気化学発光強度の測定を包含することができる。いくつかの実施形態において、測定には、ナノ粒子が触媒するレドックス反応由来の電流増幅の測定を包含することができる。他の電気触媒特性は、上記の方法の一部として測定することができ、電流、抵抗、インピーダンス、キャパシタンス、インダクタンスまたはその組み合せを包含する。測定する光学特性に、電気化学発光強度の測定を包含する多くの例では、試料はさらにECL共反応物、たとえばトリアルキルアミンなどの第三級アミンを含む。
一つ以上の導電性またはレドックス活性のNPs、
ECLラベルなどの一つ以上の化学指示薬、および
フローセルなどの試料室内に配置される一つ以上の電極
を包含する。
一つ以上の電極を有する室内で一つ以上の導電性またはレドックス活性のNPsと試料を混合させ、一つ以上の電極において一つ以上の導電性またはレドックス活性のNPsと試料との相互作用により発生する一つ以上の電気化学および/または光学特性を測定する工程を含む信号の増幅方法を提供する。一つ以上の電気化学および/または光学特性には、一つ以上のNPsが触媒するレドックス反応由来の電気化学発光を包含することができる。一つ以上の電気化学および/または光学特性には、一つ以上のNPsが触媒するレドックス反応、たとえばECL部分を含むレドックス反応および場合により、トリアルキルアミン(たとえば、トリプロピルアミン)などのECL共反応物由来の電流増幅を含むことができる。
試料室内に収容される試料と連通するよう配置された一つ以上の電極、
試料室内に沈積する一つ以上の伝導性またはレドックス活性のNPs(この場合、一つ以上の伝導性またはレドックス活性のNPsが試料と相互作用し、一つ以上の電気触媒電流またはECL特性を発生させる)、および
一つ以上の電気触媒電流またはECL特性を検出する、一つ以上の電極と連通する検出器
を含む。ナノスケール電気化学セルは、UMEまたはマクロ電極を含むことができる(すなわち、試料コンパートメントがマクロ電極と接触するよう配置する)。NPsは、白金NPs、金NPs、銀NPs、銅NPs、パラジウムNPs、炭素NPs、ITONPs、導電性酸化物NPs、導電性またはレドックスポリマーNPsまたはその組み合せを含むことができる。
Claims (23)
- 一つ以上の電極を有する容器内の、複数の電気化学発光(ECL)部分を含む液体試料に(a)一つ以上の導電性またはレドックス活性のナノ粒子を添加し、
前記一つ以上の電極での、前記一つ以上のナノ粒子と前記試料との相互作用から得られる一つ以上の電気化学的および/または光学的特性を検出する試料分析方法。 - 前記一つ以上の電気化学的および/または光学的特性が、共反応物を用いてまたは用いずに、前記一つ以上のNPsが触媒する前記ECL部分のレドックス反応から得られる特性を含む請求項1記載の方法。
- 前記一つ以上の電気化学的および/または光学的特性が、共反応物を用いてまたは用いずに、前記一つ以上のNPsが触媒する前記ECL部分のレドックス反応から得られる電気化学発光を含む請求項1または2記載の方法。
- 前記一つ以上の電気化学的および/または光学的特性が、共反応物を用いてまたは用いずに、前記一つ以上のNPsが触媒する前記ECL部分のレドックス反応から得られる電流増幅を含む請求項1または2記載の方法。
- 一つ以上の電極がITO、Pt、Ir、Rh、Au、炭素および/またはNiを含む請求項1記載の方法。
- 前記一つ以上の導電性またはレドックス活性のNPsが白金NPs、金NPs、銀NPs、銅NPs、パラジウムNPs、炭素NPsまたはそれらの組み合わせを含む請求項1記載の方法。
- 前記一つ以上のNPsが、約50nmより大きくない最大寸法を有する請求項1記載の方法。
- 前記一つ以上のNPsが、平均して約1nm〜25nmの最大寸法を有する請求項1記載の方法。
- 前記一つ以上の導電性またはレドックス活性のNPsが白金NPsを含み、また前記一つ以上の電極がPt、Au、Ir、Rhおよび/または炭素を含む請求項1記載の方法。
- 前記ECL部分がレドックス活性のイオン性発光化合物を含む請求項1記載の方法。
- 前記レドックス活性のイオン性発光化合物が電気化学発光性のポリデンデート金属錯体を含む請求項10記載の方法。
- 前記ポリデンデート金属錯体がヘテロ芳香族ポリデンテートリガンドおよびルテニウム、オスミウム、レニウム、セリウム、ユーロピウム、テルビウムおよびイッテルビウムから選択される金属を含む請求項11記載の方法。
- 前記ポリデンデート金属錯体がレニウムおよびビピリジル、置換ビピリジル、1,10−フェナントロリンおよび/または置換1,10−フェナントロリンから選択される少なくとも一つのポリデンテートリガンドを含む請求項11記載の方法。
- 前記試料が、さらにECL共反応物を含む請求項1記載の方法。
- 一つ以上の電極を有する容器内で、一つ以上の導電性またはレドックス活性のNPsと試料を混合させ、
前記一つ以上の電極での、前記一つ以上の導電性またはレドックス活性のNPsと前記試料との相互作用により発生した一つ以上の電気化学的および/または光学的特性を測定する工程を含む信号の増幅方法。 - 前記一つ以上の電気化学的および/または光学的特性が、前記一つ以上のNPsが触媒するレドックス反応由来の電気化学発光を含む請求項15記載の方法。
- 前記一つ以上の電気化学的および/または光学的特性が、前記一つ以上のNPsが触媒するレドックス反応由来の電流増幅を含む請求項15記載の方法。
- 前記一つ以上の電気化学的および/または光学的特性が電気化学発光、電流、抵抗、インピーダンス、キャパシタンス、インダクタンス、電流増幅またはそれらの組み合わせを含む請求項15記載の方法。
- 試料容器内に収容され、試料と相互作用することができる一つ以上の導電性またはレドックス活性のNPsと一つ以上の電気触媒電流またはECL特性を発生させるための一つ以上の電極とを含む液体試料と連痛するように配置された一つ以上の電極と
前記一つ以上の電気触媒電流またはECL特性を検出することができる一つ以上の検出器を含む試料を分析するためのナノスケールの電気化学デバイス。 - 測定装置に接続され、一つ以上の導電性またはレドックス活性のナノ粒子(NPs)、一つ以上の化学分析用検体、一つ以上のECL部分および前記液体試料と連通している一つ以上の電極からなる液体試料を含有する電気化学セルを含み、
一つ以上の電気化学的および/または光学的特性が、一つ以上の電極において、前記一つ以上の導電性またはレドックス活性のNPsと前記一つ以上のECL部分との電気触媒的相互作用により発生する電気化学セルを含む化学分析用検体の分析装置。 - 一つ以上の導電性またはレドックス活性のナノ粒子および複数の電気化学発光(ECL)部分を含む液体試料を一つ以上の電極を有する容器のなかに入れ、
前記一つ以上の電極において、前記一つ以上のナノ粒子と前記試料との電気触媒的相互作用から得られる一つ以上の電気化学的および/または光学的特性を測定することを含む試料の分析方法。 - ナノ粒子(NPs)のコロイド溶液である液体試料を試料容器内の一つ以上の電極と接触させ、
電極において、前記NPsと前記液体試料との電気触媒的相互作用により生じた少なくとも一つの電気化学的および/または光学的特性を観察することを含む電極表面と一つ以上のナノ粒子の衝突の検出方法。 - 前記液体試料が複数の電気化学発光(ECL)部分からなり、前記少なくとも一つの電気化学的および/または光学的特性が、共反応物を用いてまたは用いずに、前記NPsが触媒する前記ECL部分のレドックス反応により生じている請求項22記載の方法。
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JP2013531790A (ja) * | 2010-06-11 | 2013-08-08 | クルマラ,サカリ | 統合炭素電極チップによるランタニドキレートの電気的励起及びこれらのチップを用いた分析方法 |
JP2015510668A (ja) * | 2012-01-30 | 2015-04-09 | メルク パテント ゲーエムベーハー | ファイバー上のナノ結晶 |
KR20190126786A (ko) * | 2018-04-20 | 2019-11-12 | 칭다오 유니버시티 | Ti₃C₂2차원 금속 탄화물 촉매를 이용한 루미놀 전기화학발광 프로브 기반의 바이오 센서 및 그 제조 방법 |
KR102209124B1 (ko) | 2018-04-20 | 2021-01-28 | 칭다오 유니버시티 | Ti₃C₂2차원 금속 탄화물 촉매를 이용한 루미놀 전기화학발광 프로브 기반의 바이오 센서 및 그 제조 방법 |
JP2020030192A (ja) * | 2018-08-24 | 2020-02-27 | 国立大学法人東北大学 | 電気化学センサ及び電気化学センサの製造方法 |
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WO2009126249A1 (en) | 2009-10-15 |
CA2713949C (en) | 2016-10-11 |
CA2713949A1 (en) | 2009-10-15 |
AU2009234422B2 (en) | 2014-05-08 |
EP2271938B1 (en) | 2014-02-26 |
US9086370B2 (en) | 2015-07-21 |
DK2271938T3 (da) | 2014-05-12 |
CY1115380T1 (el) | 2017-01-04 |
PT2271938E (pt) | 2014-05-09 |
ES2457541T3 (es) | 2014-04-28 |
US8586378B2 (en) | 2013-11-19 |
US20140042037A1 (en) | 2014-02-13 |
AU2009234422A1 (en) | 2009-10-15 |
EP2271938A1 (en) | 2011-01-12 |
PL2271938T3 (pl) | 2014-07-31 |
HRP20140460T1 (hr) | 2014-06-20 |
KR20110000549A (ko) | 2011-01-03 |
US20110120891A1 (en) | 2011-05-26 |
KR101603354B1 (ko) | 2016-03-14 |
JP5490095B2 (ja) | 2014-05-14 |
SI2271938T1 (sl) | 2014-07-31 |
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