JP6389003B2 - 体液中の物質を検出するシステム及び方法 - Google Patents
体液中の物質を検出するシステム及び方法 Download PDFInfo
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- JP6389003B2 JP6389003B2 JP2017520540A JP2017520540A JP6389003B2 JP 6389003 B2 JP6389003 B2 JP 6389003B2 JP 2017520540 A JP2017520540 A JP 2017520540A JP 2017520540 A JP2017520540 A JP 2017520540A JP 6389003 B2 JP6389003 B2 JP 6389003B2
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54366—Apparatus specially adapted for solid-phase testing
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Description
本出願は、2014年12月30日出願の米国特許出願第14/586,802号の継続出願であり、当該出願の全体が参照により本明細書に組み込まれる。
固定架橋剤(ProLinkerTM等)、又は官能化成分を所望の表面に結合可能にする他の全てものから構成することができる。
Claims (19)
- サンプル中の物質のパラメータを決定するデバイスであって、
活性センサを上に配設した基体;
複数の結合受容体を備える官能化構造体;
を備え、前記活性センサは、静電気又は静電容量の変化に応答し、前記活性センサは、金属層、及び電気的特徴を有する第1の電気構成要素を備え、複数の前記結合受容体のそれぞれは、前記結合受容体のそれぞれの上で少なくとも1つのシステイン基を有し、前記結合受容体のそれぞれの上の前記システイン基が、前記活性センサが官能化された官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着し、前記結合受容体のそれぞれと前記金属層との間の結合距離が3nm以下であるようにし、前記複数の結合受容体は、前記物質と結合してイオンの放出をもたらす反応を受けるように構成し、前記イオンの放出により、溶液中の電流とは無関係の変化を前記第1の電気構成要素の電気的特徴にもたらすようにし、
前記第1の電気構成要素は、電気刺激を加えると信号を発生するように構成され、前記信号は、前記第1の電気構成要素の変化した電気的特徴を示し、前記物質のパラメータは、前記第1の電気構成要素の前記変化した電気的特徴を示す前記信号によって決定される、デバイス。 - 前記電気刺激は、周波数、電流、電圧、抵抗、インピーダンス、静電容量、導電率、誘導、閾値電圧、相互コンダクタンス、閾値以下の振幅、圧電抵抗、磁界及び電気的ノイズを含む群から選択される電気的パラメータを改変することを含む、請求項1に記載のデバイス。
- 前記結合受容体のそれぞれは、タンパク質を含む、請求項1に記載のデバイス。
- 前記複数の結合受容体は、前記物質を結合するように前記活性センサ上に均一に配置され、前記物質と前記官能化構造体との結合により、前記第1の電気構成要素の電気的特徴を変化させる、請求項1に記載のデバイス。
- 前記サンプル中の物質の前記決定したパラメータは、濃度である、請求項1に記載のデバイス。
- 前記物質は、治療薬、薬剤、生物学的成分、化学的成分、タンパク質、毒素、イオン、抗体、ペプチド、オリゴヌクレオチド、病原菌、細胞、または、小分子を含む、請求項1に記載のデバイス。
- 前記第1の電気構成要素は、トランジスタ、コンデンサ、抵抗器及びインバータからなる群から選択される、請求項1に記載のデバイス。
- 前記結合受容体のそれぞれの上の前記システイン基は、前記システイン基と前記金属層との間に介在する分子又は自己集合単分子層を伴わずに、前記活性センサが官能化された官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着する、請求項1に記載のデバイス。
- 前記金属層は、金層である、請求項1に記載のデバイス。
- サンプル中の物質のパラメータを決定するデバイスであって、
活性センサ及び制御センサを有する基体;
複数の結合受容体を備える官能化構造体;
を備え、前記活性センサは、前記基体の上に配設され、静電気又は静電容量の変化に応答し、前記活性センサは、金属層、及び第1の電気的特徴を有する第1の電気構成要素を備え、前記制御センサは、第2の電気的特徴を有する第2の電気構成要素を備え、複数の前記結合受容体のそれぞれは、前記結合受容体のそれぞれの上で少なくとも1つのシステイン基を有し、前記結合受容体のそれぞれの上の前記システイン基が、前記活性センサが官能化された官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着し、前記結合受容体のそれぞれと前記金属層との間の結合距離が3nm以下であるようにし、前記複数の結合受容体は、前記物質と結合してイオンの放出をもたらす反応を受けるように構成し、前記イオンの放出により、溶液中の電流とは無関係の変化を前記第1の電気構成要素の前記第1の電気的特徴にもたらすようにし、
前記第1の電気構成要素は、電気刺激を加えると第1の信号を発生するように構成され、前記第2の電気構成要素は、前記電気刺激を加えると第2の信号を発生するように構成され、
前記物質のパラメータは、前記第1の信号と前記第2の信号との間の差によって決定される、デバイス。 - 前記電気刺激は、周波数、電流、電圧、抵抗、インピーダンス、静電容量、導電率、誘導、閾値電圧、相互コンダクタンス、閾値以下の振幅、圧電抵抗、磁界及び電気的ノイズを含む群から選択される電気的パラメータを改変することを含む、請求項10に記載のデバイス。
- 前記複数の結合受容体は、前記物質を結合するように前記活性センサ上に均一に配置され、前記物質と前記官能化構造体との結合により、前記第1の電気構成要素の前記第1の電気的特徴を変化させる、請求項10に記載のデバイス。
- 前記物質は、治療薬、薬剤、生物学的成分、化学的成分、タンパク質、毒素、イオン、抗体、ペプチド、オリゴヌクレオチド、病原菌、細胞、または、小分子を含む、請求項10に記載のデバイス。
- 前記第1の電気構成要素及び前記第2の電気構成要素のうち少なくとも1つは、トランジスタ、コンデンサ、抵抗器及びインバータからなる群から選択される、請求項10に記載のデバイス。
- 前記制御センサは、不活性層を備える、請求項10に記載のデバイス。
- 前記結合受容体のそれぞれの上の前記システイン基は、前記システイン基と前記金属層との間に介在する分子又は自己集合単分子層を伴わずに、前記活性センサが官能化された官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着する、請求項10に記載のデバイス。
- 前記金属層は、金層である、請求項10に記載のデバイス。
- サンプル中の物質のパラメータを決定するデバイスであって、
活性センサを上に配設した基体;
複数の結合受容体を備える官能化構造体;
前記活性センサの近傍にある複数の第1の分子;
前記活性センサの近傍にある複数の第2の分子;
を備え、前記活性センサは、静電気又は静電容量の変化に応答し、前記活性センサは、金属層、及び第1の電気的特徴を有する第1の電気構成要素を備え、前記複数の結合受容体のそれぞれは、前記結合受容体のそれぞれの上で少なくとも1つのシステイン基を有し、前記結合受容体のそれぞれの上の前記システイン基が、前記活性センサを官能化した官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着し、前記結合受容体のそれぞれと前記金属層との間の結合距離が3nm以下であるようにし、前記複数の結合受容体は、前記物質と結合するように構成され、
前記複数の第1の分子のそれぞれは、複数の第2の結合受容体を含み、前記複数の第2の結合受容体の少なくとも1つは、前記複数の結合受容体の少なくとも1つによって結合される前記物質の異なる部位に結合し、
前記複数の第2の分子は、酵素反応により前記複数の第1の分子と反応して前記活性センサの近傍にイオンを放出し、前記イオンの放出により、溶液中の電流とは無関係の変化を前記第1の電気構成要素の前記第1の電気的特徴にもたらすようにし、
前記第1の電気構成要素は、電気刺激を加えると信号を発生するように構成され、前記信号は、前記第1の電気構成要素の変化した電気的特徴を示し、
前記物質のパラメータは、前記第1の電気構成要素の前記変化した電気的特徴を示す前記信号によって決定される、デバイス。 - サンプル中の物質のパラメータを決定するデバイスであって、
活性センサ及び制御センサを有する基体;
複数の結合受容体を備える官能化構造体;
前記活性センサの近傍にある複数の第1の分子;
前記活性センサの近傍にある複数の第2の分子;
を備え、前記活性センサは、前記基体の上に配設され、静電気又は静電容量の変化に応答し、前記活性センサは、金属層、及び第1の電気的特徴を有する第1の電気構成要素を備え、前記制御センサは、第2の電気的特徴を有する第2の電気構成要素を備え、前記複数の結合受容体のそれぞれは、前記結合受容体のそれぞれの上で少なくとも1つのシステイン基を有し、前記結合受容体のそれぞれの上の前記システイン基が、前記活性センサが官能化された官能化センサの前記金属層に前記結合受容体のそれぞれを直接固着し、前記結合受容体のそれぞれと前記金属層との間の結合距離が3nm以下であるようにし、前記複数の結合受容体は、前記物質と結合するように構成され、
前記複数の第1の分子のそれぞれは、複数の第2の結合受容体を含み、前記複数の第2の結合受容体の少なくとも1つは、前記複数の結合受容体の少なくとも1つによって結合した前記物質の異なる部位に結合し、
前記複数の第2の分子は、酵素反応により前記複数の第1の分子と反応して前記活性センサの近傍にイオンを放出し、前記イオンの放出により、溶液中の電流とは無関係の変化を前記第1の電気構成要素の前記第1の電気的特徴にもたらすようにし、
前記第1の電気構成要素は、電気刺激を加えると第1の信号を発生するように構成され、前記第2の電気構成要素は、前記電気刺激を加えると第2の信号を発生するように構成され、
前記物質のパラメータは、前記第1の信号と前記第2の信号との間の差によって決定される、デバイス。
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EP3197359B1 (en) | 2019-09-11 |
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US9766201B2 (en) | 2017-09-19 |
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US20160187334A1 (en) | 2016-06-30 |
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