JP2018533011A - 流体中の検体を光学的に検出するための多孔質ミラー - Google Patents
流体中の検体を光学的に検出するための多孔質ミラー Download PDFInfo
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Abstract
Description
受容体リガンドが膜のチャネル内部に固定されるサンドイッチアッセイ。
一剤が孔内に固定されるアッセイ(例えば、ブロモクレゾールグリーンによるアルブミンアッセイで、ブロモクレゾールグリーンを使用し、アルブミンと特異的に有色の複合体が形成される)。620nmで測定した色の強度は、流体中のアルブミン濃度に正比例する。
例えば、アスパラギン酸アミノトランスフェラーゼ(AST)活性のアッセイキットとしての酵素活性アッセイ。このアッセイでは、グルタメートの生成において、アミノ基のアスパルテートからα−ケトグルタレートへの転移が生じ、示されるAST酵素活性に比例して、比色分析の(450nmでの)結果が得られる。
本発明の好ましい実施形態を、添付図面と関連づけて、より詳細に説明する。
Claims (16)
- 流体(99)中の検体(96)を、光学検査により検出するための多孔質ミラー(1)であって、前記多孔質ミラー(1)が、
前面(3)、及び前記前面(3)の逆側を向いた後面(4)を有する、半透明板(2)であって、前記前面(3)が前記流体(99)と接触するよう構成された半透明板(2)、並びに
前記半透明板(2)の前記前面(3)にある反射層(5)であって、前記半透明板(2)の前記後面(4)から前記反射層(5)に到達した光を反射するよう構成された反射層(5)、を含み、
前記半透明板(2)が、孔(6)を含み、前記孔(6)が、前記前面(3)にある各々の開口部(7)から前記半透明板(2)内へと、前記反射層(5)を通過して延びる、一端が閉じた孔(6)であり、
前記孔(6)の前記開口部(7)の断面寸法が、前記流体(99)中の前記検体は、前記孔(6)へと、拡散によって、進入可能であるものの、もし存在する場合は、前記流体(99)に含まれる、より大きな粒子又は壊死組織片の前記孔(6)への進入を妨げるものとなっている、多孔質ミラー(1)。 - 前記孔(6)の前記開口部(7)の断面寸法が、約1μm以下、約800nm以下、好ましくは約500nm以下、若しくは約400nm以下であり、及び/又は前記孔(6)の、前記孔(6)に沿った軸方向の長さが、100μm未満、50μm未満、好ましくは30μm未満若しくは約25μmである、請求項1に記載の多孔質ミラー(1)。
- 孔(6)を含む前記半透明板(2)の所与の容積の孔隙率が、50容積%〜5容積%、30容積%〜10容積%又は約15容積%である、請求項1又は2に記載の多孔質ミラー(1)。
- 前記孔の総容積(V)を、前記孔(6)の前記開口部(7)が分布した前記前面の面積(A)で除したものとして定義される、等価孔隙容積深さ(δ)が、20μm未満、あるいは10μm未満、又は好ましくは約5μm以下である、請求項1〜3のいずれか一項に記載の多孔質ミラー(1)。
- 前記孔(6)の内壁表面が、親水性コーティングでコーティングされている、請求項1〜4のいずれか一項に記載の多孔質ミラー(1)。
- 前記半透明板(2)には、前記孔(6)内の、前記半透明板(2)の前記前面(3)にある前記開口部(7)に隣接した口部内に配置された更なる反射性部材(51、52)が設けられている、請求項1〜5のいずれか一項に記載の多孔質ミラー(1)。
- 前記更なる反射性部材(51、52)が、前記孔(6)の、前記開口部(7)近傍にある、前記口部の周囲の一部分のみを覆う、反射性コーティングとして付与され、前記一部分が、約70%以下及び好ましくは約50%以下である、請求項6に記載の多孔質ミラー(1)。
- 前記半透明板(2)の透明裏張りスライド31には、外気と前記透明裏張りスライド(31)との間での屈折率変化の影響を最小化するための60°の面(32)が設けられている、請求項1〜7のいずれか一項に記載の多孔質ミラー(1)。
- 光源(10)を更に含み、前記光源(10)が、前記半透明板(2)内の少なくとも前記孔(6)を照射するように構成されている、請求項1〜8のいずれか一項に記載の多孔質ミラー(1)。
- 光検出器(20)を更に含み、前記検出器(20)が、前記光源(10)による照射(11)に応じて前記孔(6)から出現する光(21)を受光するように配置されており、更に、前記検出器(20)が、前記検出した光を示す信号を生成するよう構成されている、請求項1〜9のいずれか一項に記載の多孔質ミラー(1)。
- 前記孔(6)が、前記半透明板(2)及び反射層(5)内にトラックエッチされている、請求項1〜10のいずれか一項に記載の多孔質ミラー(1)。
- 前記孔(6)が、拡散によってすすぎをされる、請求項1〜11のいずれか一項に記載の多孔質ミラー(1)。
- 前記半透明板(2)が透明ポリマーで作製された、請求項1〜12のいずれか一項に記載の多孔質ミラー(1)。
- 流体(99)中の検体(96)を光学的に検出する方法であって、
請求項1〜13のいずれか一項に記載の多孔質ミラー(1)を準備する工程、
前記多孔質ミラー(1)を標準溶液と接触させ、前記孔(6)を前記標準溶液で満たす工程、
前記多孔質ミラー(1)の前記前面を流体(99)と接触させる工程、
拡散時間にわたって待機し、前記流体(99)中の前記検体(96)を前記孔(6)内へ拡散し、安定化させる工程、
前記孔(6)内の前記流体を、前記反射層の面から、光学的に検査する工程、並びに
前記光学検査の結果に基づき、前記流体の検体濃度を明らかにする工程、を含む、方法。 - 前記検体がビリルビンであり、前記流体が全血である、請求項14に記載の、流体(99)中の検体(96)を光学的に検出する方法。
- 流体(99)を分析するためのシステムであって、
前記流体(99)を供給及び排出するための、流入口及び排出口を有する流体チャンバ(100)、
前記流体(99)中の検体(96)濃度を表す、第1信号を与えるよう構成された第1検出器(20)、並びに
1つ以上の更なる検出器であって、その各々が、前記流体(99)の前記検体(96)を表す、対応する更なる信号を与えるよう構成されている検出器、を含み、
前記第1及び更なる検出器が、前記第1及び前記1種以上の更なる信号を前記同一の流体(99)から得るよう動作可能であり、
前記第1検出器が、請求項1〜13のいずれか一項に記載された、前記検体(96)を前記光学的に検出するための多孔質ミラー(1)として構成されている、システム。
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JP2023507655A (ja) * | 2019-12-19 | 2023-02-24 | ラジオメーター・メディカル・アー・ペー・エス | 多孔質膜センサ組立体 |
JP7430798B2 (ja) | 2019-12-19 | 2024-02-13 | ラジオメーター・メディカル・アー・ペー・エス | 多孔質膜センサ組立体 |
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JP6626196B2 (ja) | 2019-12-25 |
KR102093684B1 (ko) | 2020-03-27 |
DK3377878T3 (da) | 2020-03-02 |
KR20180084939A (ko) | 2018-07-25 |
WO2017085180A1 (en) | 2017-05-26 |
EP3654017A1 (en) | 2020-05-20 |
US11079319B2 (en) | 2021-08-03 |
EP3377878A1 (en) | 2018-09-26 |
US11079317B2 (en) | 2021-08-03 |
EP3377877A1 (en) | 2018-09-26 |
EP3377877B1 (en) | 2019-12-25 |
CN108463711A (zh) | 2018-08-28 |
JP2018533012A (ja) | 2018-11-08 |
US20180328842A1 (en) | 2018-11-15 |
US20200249151A1 (en) | 2020-08-06 |
WO2017085162A1 (en) | 2017-05-26 |
KR102111937B1 (ko) | 2020-05-19 |
EP3377878B1 (en) | 2019-12-25 |
US10663395B2 (en) | 2020-05-26 |
KR20180083420A (ko) | 2018-07-20 |
JP6725656B2 (ja) | 2020-07-22 |
CN108351292A (zh) | 2018-07-31 |
US20200256845A1 (en) | 2020-08-13 |
DK3377877T3 (da) | 2020-03-23 |
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