JP7369426B2 - 反応処理装置および反応処理方法 - Google Patents
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Description
(2)パルスジェネレータ等により第1変調周波数(110Hz)の第1変調信号を発生させ、該第1変調信号を用いて第1励起光源からの第1励起光を変調させた。同様に、第2変調周波数(110Hz)の第2変調信号を発生させ、該第2変調信号を用いて第2励起光源からの第2励起光を変調させた。第1変調信号と第2変調信号のDuty比はともに50%とした。
(3)第1変調信号による変調と第2変調信号による変調との位相差Δφを変化させ、第1蛍光検出装置50に係る第1信号出力を計測した。
なお、本実施例では、蛍光信号に対して位相差のみの依存性を検出するので、サーマルサイクルは行っていない。
V1 4=2・d・(1-d) ・・・(1)
出力と位相で囲まれた領域の面積のうち、0を境にして正側と負側との領域の面積が等しいことから、以下の(2)式が成り立つ。
(1-x)・p+(1+a-x)・(d-p)+(a-x)・p+(-x)・{1-(d+p)}=0から、
x=(1+a)・d ・・・(2)
V1 4=-2・(1+a)・d2+2・(1+a)・d-2・a・p ・・・(3)
V1 N=|-2・a・(d2-d+p)| ・・・(4)
pm=d-d2 ・・・(5)
Δpm=(Nm')・(d-d2)/(N0')=(Nm'/V1 0)・(d-d2)/{(N0')/V1 0} ・・・(6)
Δpm=(d-d2)/{20・(N0')/V1 0} ・・・(7)
Δpm=3・(d-d2)/{100・(N0')/V1 0} ・・・(8)
Δpm=(d-d2)/{100・(N0')/V1 0} ・・・(9)
実施例1では、第1光学ヘッド51の対物レンズOB1および第2光学ヘッド55の対物レンズOB2として、開口数(NA)が0.23のものを用いた。第1蛍光検出装置は青励起/緑蛍光の組み合わせでFAMに対応したもので、第2蛍光検出装置は緑励起/赤蛍光の組み合わせでROXに対応したものとした。
実施例2では、第1光学ヘッド51の対物レンズOB1および第2光学ヘッド55の対物レンズOB2として、開口数(NA)が0.18のものを用いた。
(実施例3)
実施例3では、第1光学ヘッド51の対物レンズOB1および第2光学ヘッド55の対物レンズOB2として、開口数(NA)が0.12のものを用いた。
(実施例4)
実施例4では、第1光学ヘッド51の対物レンズOB1および第2光学ヘッド55の対物レンズOB2として、開口数(NA)が0.07のものを用いた。
配列番号2:リバースPCRプライマー
配列番号3:プローブ
Claims (10)
- 試料が移動する流路が形成された反応処理容器と、
第1励起光を前記流路に設定された第1蛍光検出領域中の試料に照射するとともに、前記第1励起光の照射により試料から生じた第1蛍光を検出する第1蛍光検出装置と、
第2励起光を前記流路に設定された第2蛍光検出領域中の試料に照射するとともに、前記第2励起光の照射により試料から生じた第2蛍光を検出する第2蛍光検出装置と、
を備える反応処理装置であって、
前記第1蛍光の波長範囲と前記第2励起光の波長範囲は、少なくとも一部が重複しており、
試料が前記第1蛍光検出領域を繰り返し往復的に通過したときに、前記第1蛍光検出装置によって検出される蛍光強度に対応した蛍光信号の最大値の標準偏差をノイズNvとしたとき、Nv<0.3である、
ことを特徴とする反応処理装置。 - 前記第1蛍光検出装置は、前記第1蛍光検出領域中の試料からの蛍光を受光可能な第1光学ヘッドを備え、
前記第2蛍光検出装置は、前記第2蛍光検出領域中の試料からの蛍光を受光可能な第2光学ヘッドを備え、
前記第1光学ヘッドと前記第2光学ヘッドは、それぞれ第1対物レンズと第2対物レンズを備え、
前記第1対物レンズと前記第2対物レンズの開口数NAは、NA=0.07~0.23である、
ことを特徴とする請求項1に記載の反応処理装置。 - 前記第1光学ヘッドおよび前記第2光学ヘッドの径は、1mm~4mmであることを特徴とする請求項2に記載の反応処理装置。
- 前記第1蛍光検出装置は、波長470nmの光を含む第1励起光を出射し、波長530nmの光を含む第1蛍光を受光することを特徴とする請求項1から3のいずれかに記載の反応処理装置。
- 前記第1蛍光検出領域の中心と前記第2蛍光検出領域の中心との距離は4mm以上であることを特徴とする請求項1から4のいずれかに記載の反応処理装置。
- 前記ノイズNvが、Nv<0.2であることを特徴とする請求項1から5のいずれかに記載の反応処理装置。
- 前記流路は、第1温度に維持される第1温度領域と、前記第1温度よりも高い第2温度に維持される第2温度領域と、前記第1温度領域と前記第2温度領域とを接続する接続領域とを備え、
前記第1蛍光検出装置によって検出された蛍光信号に基づいて、前記流路内における試料の移動が制御され、
前記第1蛍光検出領域は、前記接続領域の略中間点に設定されることを特徴とする請求項1から6のいずれかに記載の反応処理装置。 - 前記第1蛍光検出装置は、前記第1励起光として青色光を照射し、且つ前記第1蛍光として緑色光を検出し、
前記第2蛍光検出装置は、前記第2励起光として緑色光を照射し、且つ前記第2蛍光として赤色光を検出することを特徴とする請求項1から7のいずれかに記載の反応処理装置。 - 第3励起光を前記流路に設定された第3蛍光検出領域中の試料に照射するとともに、前記第3励起光の照射により試料から生じた第3蛍光を検出する第3蛍光検出装置をさらに備え、
前記第3蛍光検出装置は、前記第3励起光として赤色光を照射し、且つ前記第3蛍光として赤外光を検出することを特徴とする請求項8に記載の反応処理装置。 - 試料が移動する流路が形成された反応処理容器を準備するステップと、
前記反応処理容器の前記流路内に試料を導入するステップと、
前記反応処理容器を反応処理装置にセットするステップと、
前記流路内の試料からの蛍光を検出するステップと、
を備える反応処理方法であって、
前記反応処理装置は、
第1励起光を前記流路に設定された第1蛍光検出領域中の試料に照射するとともに、前記第1励起光の照射により試料から生じた第1蛍光を検出する第1蛍光検出装置と、
第2励起光を前記流路に設定された第2蛍光検出領域中の試料に照射するとともに、前記第2励起光の照射により試料から生じた第2蛍光を検出する第2蛍光検出装置と、
を備え、
前記第1蛍光の波長範囲と前記第2励起光の波長範囲は、少なくとも一部が重複しており、
試料が前記第1蛍光検出領域を繰り返し往復的に通過したときに、前記第1蛍光検出装置によって検出される蛍光強度に対応した蛍光信号の最大値の標準偏差をノイズNvとしたとき、Nv<0.3である、
ことを特徴とする反応処理方法。
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| JP2009192490A (ja) | 2008-02-18 | 2009-08-27 | Hamamatsu Photonics Kk | 蛍光解析装置及び解析方法 |
| JP2011513741A (ja) | 2008-03-05 | 2011-04-28 | サントル ナシオナル デチュード スパシアル | 固体基材上の少なくとも1つのプロトン化基を含む分子を検出および定量する方法 |
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| US7964413B2 (en) * | 2005-03-10 | 2011-06-21 | Gen-Probe Incorporated | Method for continuous mode processing of multiple reaction receptacles in a real-time amplification assay |
| CN101189667B (zh) * | 2005-06-01 | 2011-12-21 | 松下电器产业株式会社 | 相位误差检测装置 |
| EP2054714A4 (en) * | 2006-08-24 | 2012-03-14 | Agency Science Tech & Res | COMPACT OPTICAL SURVEY SYSTEM |
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| US10745740B2 (en) * | 2008-03-19 | 2020-08-18 | Qiagen Sciences, Llc | Sample preparation |
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| US20100330569A1 (en) * | 2009-04-23 | 2010-12-30 | Intelligent Bio-Systems, Inc. | Hydroxymethyl Linkers For Labeling Nucleotides |
| EP2769203B1 (en) * | 2011-10-21 | 2019-01-16 | Acea Biosciences, Inc. | System and method for detecting multiple-excitation-induced light in a flow channel |
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| SG11201805707VA (en) * | 2016-01-05 | 2018-07-30 | Nippon Sheet Glass Company Limited | Reaction treatment device, reaction treatment container, and reaction treatment method |
| CN106957788A (zh) * | 2017-03-19 | 2017-07-18 | 北京化工大学 | 一种多通道实时荧光定量pcr微流控芯片系统 |
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| JP2007212269A (ja) | 2006-02-09 | 2007-08-23 | Seiko Epson Corp | 配向状態評価用試料、配向状態評価用試料の製造方法、及び配向状態評価方法 |
| JP2009192490A (ja) | 2008-02-18 | 2009-08-27 | Hamamatsu Photonics Kk | 蛍光解析装置及び解析方法 |
| JP2011513741A (ja) | 2008-03-05 | 2011-04-28 | サントル ナシオナル デチュード スパシアル | 固体基材上の少なくとも1つのプロトン化基を含む分子を検出および定量する方法 |
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| IL277170B2 (en) | 2025-09-01 |
| IL277170A (en) | 2020-10-29 |
| CN111819276A (zh) | 2020-10-23 |
| WO2019181636A1 (ja) | 2019-09-26 |
| US20210088445A1 (en) | 2021-03-25 |
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