JP6775223B2 - 蛍光検査システム、分子検査方法及び蛍光検査方法 - Google Patents
蛍光検査システム、分子検査方法及び蛍光検査方法 Download PDFInfo
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Description
λ=−ln(1−p)
となることが知られている。例えば、図8の(a)に示すように、96個のチャンバーのうち、白丸以外がポジティブチャンバーであり、その数は96−35=61である。その結果、p=61/96=0.635であり、図8の(b)に示すように、1−p=35/96=0.365である。
本発明の一実施形態について図1及び図2に基づいて説明すれば、以下のとおりである。
本実施の形態の蛍光検査システムの構成について、図2に基づいて説明する。図2は、本実施の形態の蛍光検査システムの一例の構成を示す断面図である。
上記構成の蛍光検査システム1を用いて検査対象を測定する場合の具体的動作について、図1及び図2に基づいて説明する。図1は、本実施の形態における蛍光検査システム1において、シリコン集積回路10上のマイクロ流体路22を検査対象であるタンパク質、及びタンパク質に付加された蛍光プローブを含む溶液が流れ、タンパク質及び蛍光プローブが、マイクロウェル31に保持された状態を示す断面図である。尚、本実施の形態では、検査対象が、例えば、蛍光プローブが付着した特定のタンパク質であるとして説明する。
本発明の他の実施の形態について図3及び図4に基づいて説明すれば、以下のとおりである。尚、本実施の形態において説明すること以外の構成は、前記実施の形態1と同じである。また、説明の便宜上、前記の実施の形態1の図面に示した部材と同一の機能を有する部材については、同一の符号を付し、その説明を省略する。
本実施の形態の蛍光検査システム2の構成について、図3に基づいて説明する。図3は、本実施の形態における蛍光検査システム2の構成を示す断面図である。尚、図3においては、励起用光源23及び制御部24を省略している。
上記構成の蛍光検査システム2における測定動作について、図3及び図4に基づいて説明する。図4は、蛍光検査システム2用いて検査対象を測定する状態を示すものであって、透明板42が保持層40側に移動して検査対象を隔離するマイクロチャンバー43が形成された状態を示す断面図である。尚、図4においては、励起用光源23及び制御部24を省略している。
本発明のさらに他の実施の形態について図5に基づいて説明すれば、以下のとおりである。尚、本実施の形態において説明すること以外の構成は、前記実施の形態1・2と同じである。また、説明の便宜上、前記の実施の形態1・2の図面に示した部材と同一の機能を有する部材については、同一の符号を付し、その説明を省略する。
本実施の形態の蛍光検査システム3の構成ついて、図5に基づいて説明する。図5は、本実施の形態の蛍光検査システム3の構成を示す断面図である。尚、図5においては、励起用光源23及び制御部24を省略している。
本実施の形態の蛍光検査システム3による測定動作について、図5に基づいて説明する。
λ=−ln(n)
として、初期DNA数λを推定する。
本発明のさらに他の実施の形態について図6に基づいて説明すれば、以下のとおりである。尚、本実施の形態において説明すること以外の構成は、前記実施の形態1と同じである。また、説明の便宜上、前記の実施の形態1の図面に示した部材と同一の機能を有する部材については、同一の符号を付し、その説明を省略する。
本発明のさらに他の実施の形態について図7に基づいて説明すれば、以下のとおりである。尚、本実施の形態において説明すること以外の構成は、前記実施の形態4と同じである。また、説明の便宜上、前記の実施の形態4の図面に示した部材と同一の機能を有する部材については、同一の符号を付し、その説明を省略する。
本発明の態様1における蛍光検査システム1〜4は、検査対象に励起光L1を照射する励起用光源23と、フォトダイオード12により光を検知する光子検知部13を備えたシリコン集積回路10と、上記フォトダイオード12上に設けられて上記検査対象を保持する貫通孔(マイクロウェル31・41・61)を備えた保持層30・40・60と、保持された上記検査対象に上記励起用光源23にて励起光L1を照射させ、上記検査対象から放出される蛍光を上記励起光L1の消光後に、上記光子検知部13にて検知させる制御部24とを備えていることを特徴としている。
10 シリコン集積回路
11 シリコン回路基板
12 フォトダイオード
13 光子検知部
13a 第1光子検知部
13b 第2光子検知部
15 配線埋設層
21 透明板(蓋)
22 マイクロ流体路
23 励起用光源
24 制御部
30 保持層
31 マイクロウェル(貫通孔)
40 保持層
41 マイクロウェル(貫通孔)
42 透明板(蓋)
42a 蓋部
42b 隔壁部
42c 窪み(凹部)
43 マイクロチャンバー(隔離室)
51 マイクロチャンバー(隔離室)
52 ヒーター
53 温度センサ
60 保持層
61 マイクロウェル(貫通孔)
62 遮光用メタル(遮光用の金属層)
L1 励起光
Claims (4)
- 検査対象に励起光を照射する励起用光源と、
フォトダイオードにより光を検知する光子検知部を備えたシリコン集積回路と、
上記フォトダイオード上に設けられて上記検査対象を保持する貫通孔を備えた保持層と、
保持された上記検査対象に上記励起用光源にて励起光を照射させ、上記検査対象から放出される蛍光を上記励起光の消光後に、上記光子検知部にて検知させる制御部とを備え、
上記保持層の対向位置には、隔壁部を有する蓋が上記保持層の方向に向かって移動可能に設けられていると共に、上記蓋を移動して上記隔壁部を上記保持層に接触させることによって、上記隔壁部を有する蓋によって形成される凹部、及び上記保持層の貫通孔にて上記検査対象を隔離する隔離室が形成されることを特徴とする蛍光検査システム。 - 検査対象に励起光を照射する励起用光源と、
フォトダイオードにより光を検知する光子検知部を備えたシリコン集積回路と、
上記フォトダイオード上に設けられて上記検査対象を保持する貫通孔を備えた保持層と、
保持された上記検査対象に上記励起用光源にて励起光を照射させ、上記検査対象から放出される蛍光を上記励起光の消光後に、上記光子検知部にて検知させる制御部とを備え、
上記シリコン集積回路は、ヒーターと温度センサとを内蔵していることを特徴とする蛍光検査システム。 - 請求項2に記載の蛍光検査システムを用いて、複数の隔離室にて並列的に遺伝子増幅反応を行うことを特徴とする分子検査方法。
- 検査対象に励起光を照射する励起用光源と、
フォトダイオードにより光を検知する光子検知部を備えたシリコン集積回路と、
上記フォトダイオード上に設けられて上記検査対象を保持する貫通孔を備えた保持層と、
保持された上記検査対象に上記励起用光源にて励起光を照射させ、上記検査対象から放出される蛍光を上記励起光の消光後に、上記光子検知部にて検知させる制御部とを備え、
上記貫通孔は、上記フォトダイオードの上に、複数個設けられている蛍光検査システムを用いた蛍光検査方法であって、
励起光の照射中にフォトダイオードに入射する該励起光の光子を検知する光子検知工程と、
上記励起光を照射した後、上記検査対象から放射される蛍光を上記励起光の消光後に検知する蛍光検知工程と、
検査対象である生体又は非生体の微粒子を含む液体を上記蛍光検査システムの上に形成されたマイクロ流体路に流す流液工程と、
上記光子検知工程で検知された励起光の光子の情報に基づいて、フォトダイオードの上に形成されている貫通孔のうち、何個の貫通孔に上記微粒子が捕捉されているかを推定する推定工程とを含んでいることを特徴とする蛍光検査方法。
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