JP6392278B2 - 感染因子の迅速検出のための装置 - Google Patents
感染因子の迅速検出のための装置 Download PDFInfo
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- JP6392278B2 JP6392278B2 JP2016151538A JP2016151538A JP6392278B2 JP 6392278 B2 JP6392278 B2 JP 6392278B2 JP 2016151538 A JP2016151538 A JP 2016151538A JP 2016151538 A JP2016151538 A JP 2016151538A JP 6392278 B2 JP6392278 B2 JP 6392278B2
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Description
定量化するべく、分子生物学と情報技術(たとえば、マイクロ回路、光ファイバ等)との融合から生まれた。
を移動させて前記サンプルと反応させる。前記制御ユニットは、前記センサから前記出力信号を受け取りテスト結果を前記入出力装置上にユーザに対して出力する。
テスト対象サンプル414は、食品、液体、表面、および感染因子源となりうるその他の物質を含む。感染因子は、食品媒介疾患、病原体、ウイルス、バクテリア等を含む。前記テスト装置100は、テスト対象の前記物質の濃縮又は培養のための時間消費の必要無しに、前記サンプル414の迅速分析を行うことを可能にして、テストを容易にする。
206との間の不要な光吸収又は反射を防止するために、光学グレードの透明材である。前記好適実施例において、前記レンズ412は、遮光シールを提供するとともに反応チャンバ404への汚染物質の侵入を最小化するために、前記テストカートリッジベース400のハウジング401に熱溶接される。図4Aおよび4Bを参照すると、ユーザがサンプル414(好ましくは液体の形態)を直接に反応チャンバ404に投入することを可能にするべく、前記反応チャンバ404は、テストカートリッジベース400のハウジング401の上面400bに対して開放されている。
構造は、本発明の範囲から逸脱することなく変更可能であることを理解するであろう。
(i)速度、即ち、検出と分析は数秒から10分以内に行われる、
(ii)高い機能性、これは生きた病原体又は活性毒素等の活性成分を報告するためにきわめて重要である、そして
(iii)高スループットスクリーニングのためのスケールアップの容易性。
Claims (15)
- 生体サンプル中の感染因子の分析に用いるテストカートリッジであって、以下を有する。
a.リザーバカード、当該リザーバカードは液体試薬を含み、当該液体試薬は生体細胞を含み、当該リザーバカードは少なくとも1つの流体ポートを介してテストカートリッジベースとインターフェースするように構成されている。
b.テストカートリッジベース、 当該テストカートリッジベースは前記リザーバカードを受け入れるように構成され、当該テストカートリッジベースは以下を有する。
(i)中心軸を有する反応チャンバ、当該反応チャンバを形成するために使用される回転断面形状は楕円形の一部である。
(ii)
a)前記反応チャンバに連結する入口通路は、反応チャンバへの入口において更に小さくなるようにテーパされる径を有する筒形状であり、前記テーパされる径は反応チャンバに入る流体の速度を増大させ、サンプルと前記液体試薬との、分子拡散を越えた混合を促進する。
b)当該入口通路は前記反応チャンバの上、水平に対して15〜60度上方に位置する。
c)当該入口通路は前記反応チャンバの前記中心軸からオフセットされており、反応チャンバに入る流体の時計回り又は反時計回り回転を促進する。
(iii)分析対象のサンプルと、前記生体細胞を含む流体試薬と、を前記テストカートリッジベース内の反応チャンバに導入する際、反応チャンバは、前記サンプルと前記試薬との混合を促進する。 - 更に、前記反応チャンバ内に位置する少なくとも1つの添加物を有し、当該少なくとも1つの添加物は、前記サンプルと前記少なくとも1つの試薬との混合中に前記反応チャンバ内の泡の形成を最小化する請求項1に記載のテストカートリッジ。
- 前記少なくとも1つの添加物は界面活性剤である請求項2に記載のテストカートリッジ。
- 更に、当該テストカートリッジがテスト装置に導入されたときに、前記反応チャンバが当該テスト装置内のセンサと連通することを可能にするポートを有する請求項1に記載のテストカートリッジ。
- 前記リザーバカードは、更に、当該テストカートリッジが前記テスト装置に導入されたときに、前記テスト装置に信号を伝達するRFIDタグを有する請求項4に記載のテストカートリッジ。
- 前記分析は、前記少なくとも1つの試薬と前記サンプルとの混合から5分以内の範囲内に行われる請求項1に記載のテストカートリッジ。
- 前記試薬を前記少なくとも1つの流体ポートを介して前記リザーバカードから前記反応チャンバ内へと移動させるプランジャを含み、それによって前記試薬が前記反応チャンバ内において前記サンプルと混合されたときに、もしも対象のアナライトが前記サンプル中に存在しているならば、検出可能な光信号が放出されるように構成された流体ディスプレースメント機構を更に備える請求項1に記載のテストカートリッジ。
- 前記生体細胞は設計されたリンパ球である請求項1に記載のテストカートリッジ。
- 前記試薬は所定のアナライトに対して特異的な少なくとも1つの抗体と生物発光剤とを含むバイオセンサ試薬であり、当該少なくとも1つの抗体は前記設計された生体リンパ球の表面に発現され、前記生物発光剤は前記設計された生体リンパ球により発現される請求項8に記載のテストカートリッジ。
- 前記バイオセンサ試薬は、セレンテラジンが予め投入され、前記バイオセンサ試薬をテストされる前記サンプルと反応させる前に、過剰なセレンテラジンは前記バイオセンサ試薬から取り除かれる請求項9に記載のテストカートリッジ。
- 生体サンプル中の感染因子の分析に用いるテストカートリッジであって、以下を有する。
a.リザーバカード、当該リザーバカードはバイオセンサ試薬を含み、当該バイオセンサ試薬は生体細胞を含み、当該リザーバカードは少なくとも1つの流体ポートを介してテストカートリッジベースとインターフェースするように構成されている。
b.テストカートリッジベース、当該テストカートリッジベースは前記リザーバカードを受け入れるように構成され、当該テストカートリッジベースは以下を有する。
(i)中心軸を有する反応チャンバ、当該反応チャンバを形成するために使用される回転断面形状は楕円形の一部である。
(ii)
a)前記反応チャンバに連結する入口通路は、反応チャンバへの入口において更に小さくなるようにテーパされる径を有する筒形状であり、前記テーパされる径は反応チャンバに入る流体の速度を増大させ、サンプルと前記液体試薬との、分子拡散を越えた混合を促進する。
b)当該入口通路は前記反応チャンバの上、水平に対して15〜60度上方に位置する。
c)当該入口通路は前記反応チャンバの前記中心軸からオフセットされており、反応チャンバに入る流体の時計回り又は反時計回り回転を促進する。
(iii)分析対象のサンプルと、前記生体細胞を含む流体試薬と、を前記テストカートリッジベース内の反応チャンバに導入する際、前記サンプルと前記試薬との混合を促進する。
c.前記バイオセンサ試薬を前記少なくとも1つの流体ポートを介して前記リザーバカードから前記反応チャンバ内へと移動させるプランジャを含み、それによって前記バイオセンサ試薬が前記反応チャンバ内において前記生体サンプルと混合されたときに、もしも対象のアナライトが前記生体サンプル中に存在しているならば、検出可能な光信号が放出されるように構成された流体ディスプレースメント機構。 - 前記生体細胞は設計されたBリンパ球である請求項11に記載のテストカートリッジ。
- 前記バイオセンサ試薬は所定のアナライトに対して特異的な少なくとも1つの抗体と生物発光剤とを含み、当該少なくとも1つの抗体は前記設計された生体Bリンパ球の表面に発現され、前記生物発光剤は前記設計された生体Bリンパ球により発現される請求項12に記載のテストカートリッジ。
- 前記対象のアナライトは感染因子又はその抗原である請求項13に記載のテストカートリッジ。
- 前記感染因子はE.coliである請求項14に記載のテストカートリッジ。
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