JP4525725B2 - 光学測定部、光学測定用部材、及びこれらを配設した微小粒子測定装置、並びに微小粒子の光学測定方法 - Google Patents
光学測定部、光学測定用部材、及びこれらを配設した微小粒子測定装置、並びに微小粒子の光学測定方法 Download PDFInfo
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Description
この光学測定部においては、複数の流路を測定光の走査方向に所定間隔で配設し、同方向に間隔をもって照射される複数の測定光を走査するに際し、走査方向における流路幅をwchannelとした場合に、前記測定光から選択されるいずれか2つの測定光の走査方向における間隔のうち、最小の間隔D(min)と測定光のスポット幅Wと、が、以下の式(1)を満たすように構成する。
以上の構成により、この光学測定部では、一の測定光が一の流路に照射されている場合には、他の測定光がいずれの流路にも照射されないように測定光の走査を行うことが可能となる。
上記光学測定部において、流路は交換可能な部材に配設されていてもよい。この部材においては、微小粒子を導入可能な複数の流路を所定方向に所定間隔で配設し、同方向に間隔をもって照射される複数の測定光を走査するに際し、測定光の走査方向における測定光のスポット幅をWspot、前記測定光から選択されるいずれか2つの測定光の走査方向における間隔のうち、最小の間隔をDspot(min)とした場合に、同方向における流路幅wが、以下の式(3)を満たすように構成する。
以上の構成により、この光学測定用部材では、一の測定光が一の流路に照射されている場合には、他の測定光がいずれの流路にも照射されないように測定光の走査を行うことが可能となる。
さらに、本発明は、以上のような光学測定部を備える微小粒子測定装置をも提供する。
101 試料導入部
11,12,13,14,15 流路
111 合流部
21,22,23 測定光
31 溶媒導入部
32,33 溶媒送流路
41 試料排出部
42 分取部
A 光学測定用部材(基板)
P 微小粒子
R 測定光照射領域
S 測定光走査方向
Claims (10)
- 測定光の走査方向に配設された複数の流路に対し、一の測定光が一の流路に照射されている場合において、他の測定光はいずれの流路にも照射されないように、同方向に複数の測定光を走査して、該流路内に導入された微小粒子の光学測定を行う光学測定部。
- 測定光の走査方向に所定間隔で配設された複数の流路に対し、同方向に間隔をもって照射される複数の測定光を走査して、該流路内に導入された微小粒子の光学測定を行う光学測定部において、
走査方向における流路幅をwchannelとした場合に、
前記測定光から選択されるいずれか2つの測定光の走査方向における間隔のうち、最小の間隔D(min)と、
測定光のスポット幅Wと、が、
以下の式(1)を満たすことを特徴とする請求項1記載の光学測定部。
- 走査方向における流路間の間隔をdchannelとした場合に、
前記測定光の数Nと、
前記測定光から選択されるいずれか2つの隣り合う測定光の走査方向における間隔のうち、最大の間隔D(max)と、
測定光のスポット幅Wと、が、
以下の式(2)を満たすことを特徴とする請求項2記載の光学測定部。
- 測定光の走査方向に所定間隔で配設された複数の流路に対し、同方向に間隔をもって照射される複数の測定光を走査して、該流路内に導入された微小粒子の光学測定を行う光学測定部において、
測定光の走査方向における流路間の間隔を、所定の間隔で走査方向に複数の帯域に区分した場合に、
前記測定光が前記帯域のいずれかの帯域内に照射され、かつ、
一の測定光が照射される帯域と、他の一の測定光が照射される帯域と、が異なり、これらの帯域が連続しない、
ことを特徴とする請求項1記載の光学測定部。 - 前記流路が交換可能な部材に配設されていることを特徴とする請求項1記載の光学測定部。
- 請求項1記載の光学測定部を備える微小粒子測定装置。
- 請求項5記載の光学測定部に供される部材であって、
微小粒子を導入可能な複数の流路を所定方向に所定間隔で配設し、同方向に間隔をもって照射される複数の測定光を走査することにより、該流路内に導入された微小粒子の光学測定を行う光学測定用部材であり、
測定光の走査方向における測定光のスポット幅をWspot、
前記測定光から選択されるいずれか2つの測定光の走査方向における間隔のうち、最小の間隔をDspot(min)とした場合に、
同方向における流路幅wが、以下の式(3)を満たすことを特徴とする光学測定用部材。
- 前記測定光の数をNλex、
前記測定光から選択されるいずれか2つの隣り合う測定光の走査方向における間隔のうち、最大の間隔をD(max)とした場合に、
走査方向における流路間の間隔dが、以下の式(4)を満たすことを特徴とする請求項7記載の光学測定用部材。
- 請求項5記載の光学測定部に供される部材であって、
微小粒子を導入可能な複数の流路を所定方向に所定間隔で配設し、同方向に間隔をもって照射される複数の測定光を走査することにより、該流路内に導入された微小粒子の光学測定を行う光学測定用部材であり、
測定光の走査方向における流路間の間隔を、所定の間隔で測定光の走査方向に複数の帯域に区分した場合において、
前記測定光が前記帯域のいずれかの帯域内に照射され、かつ、
一の測定光が照射される帯域と、他の一の測定光が照射される帯域と、が異なり、これらの帯域が連続しない、
ことを特徴とする光学測定用部材。 - 測定光の走査方向に配設された複数の流路に対し、一の測定光が一の流路に照射されている場合において、他の測定光はいずれの流路にも照射されないように、同方向に複数の測定光を走査して、該流路内に導入された微小粒子の光学測定を行う微小粒子の光学測定方法。
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EP08253274.8A EP2051061B1 (en) | 2007-10-18 | 2008-10-08 | Optical measuring device, optical measuring apparatus and fine particle measuring apparatus using optical measuring device |
KR1020080100094A KR101670854B1 (ko) | 2007-10-18 | 2008-10-13 | 광학 측정부 및 광학 측정용 부재와, 이들을 배설한 미소 입자 측정 장치 |
US12/252,639 US8077313B2 (en) | 2007-10-18 | 2008-10-16 | Optical measuring device, optical measuring apparatus and fine particle measuring apparatus using optical measuring device |
CN2008101705057A CN101413866B (zh) | 2007-10-18 | 2008-10-17 | 光学测量装置和设备及使用光学测量装置的微小粒子测量设备 |
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JP4509166B2 (ja) * | 2007-11-02 | 2010-07-21 | ソニー株式会社 | 微小粒子の測定方法、及び測定装置 |
JP2010276444A (ja) * | 2009-05-28 | 2010-12-09 | Terametsukusu Kk | 吸光度計測装置またはその方法 |
JP5589616B2 (ja) * | 2009-09-15 | 2014-09-17 | ソニー株式会社 | マイクロビーズ解析方法及びマイクロビーズ解析装置 |
JP5280381B2 (ja) * | 2010-01-12 | 2013-09-04 | 三井造船株式会社 | セルソータ、フローサイトメータ、及び、細胞分別方法 |
EP2522981A1 (en) * | 2011-05-09 | 2012-11-14 | Universiteit Twente | Compact 2D light detection system for on-chip analysis |
JP6076680B2 (ja) * | 2012-10-15 | 2017-02-08 | アズビル株式会社 | 不溶性不純物判別方法及びその装置 |
US10816550B2 (en) | 2012-10-15 | 2020-10-27 | Nanocellect Biomedical, Inc. | Systems, apparatus, and methods for sorting particles |
JP5828440B1 (ja) | 2014-02-24 | 2015-12-09 | 国立大学法人 香川大学 | 微小粒子測定装置 |
DK3150988T3 (da) * | 2015-10-01 | 2021-04-26 | Nanotemper Tech Gmbh | System og fremgangsmåde til den optiske måling af stabiliteten og aggregeringen af partikler |
CN108474731B (zh) * | 2016-01-21 | 2021-09-21 | 东京毅力科创株式会社 | 异物检测装置和异物检测方法 |
JP7202904B2 (ja) * | 2019-01-24 | 2023-01-12 | リオン株式会社 | 粒子計数器 |
WO2024159194A1 (en) * | 2023-01-27 | 2024-08-02 | University Of Tennessee Research Foundation | Diamond-based microfluidic alpha spectrometer |
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US20090101847A1 (en) | 2009-04-23 |
EP2051061B1 (en) | 2016-07-13 |
US8077313B2 (en) | 2011-12-13 |
KR101670854B1 (ko) | 2016-10-31 |
CN101413866B (zh) | 2012-12-05 |
JP2009098049A (ja) | 2009-05-07 |
EP2051061A2 (en) | 2009-04-22 |
EP2051061A3 (en) | 2014-09-24 |
CN101413866A (zh) | 2009-04-22 |
KR20090039618A (ko) | 2009-04-22 |
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