JP5778346B2 - 物質を検出するためのデバイス及びそのようなデバイスを作る方法 - Google Patents
物質を検出するためのデバイス及びそのようなデバイスを作る方法 Download PDFInfo
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Description
表面増感ラマン分光法(Surface Enhanced Raman spectroscopy:SERS)が、被分析物の存在を検出するために、様々な産業で使用され得る。例えば、SERSは、爆発物を探知するために警備産業で使用され得る(例えば、空港で爆発物および/または他の危険物の手荷物を探知する)。或いは、SERSは、水および/またはミルク中の毒または汚染物質を検出するために食品産業で使用され得る。
多くの応用形態は、関心のある物質の存在を検出するために使用され得る信頼できるデバイスを必要とする。例えば、そのような試験デバイス又は検出デバイスは、空港、製造工場、食品加工工場、薬物製剤工場などにおいて爆発物、毒または有害物質の存在を探知(検出)するために有用である。幾つかの既知の試験デバイス及び/又は検出デバイスの基体は、基体が検出するように意図されている環境および/または物質(例えば、被分析物)に対する早期の曝露に対して十分に保護されていない。当該環境および/または物質(例えば、被分析物)に当該基体を早期に曝露することにより、基体が酸化する及び/又は意図的にそれに曝露された時点で当該物質の検出に有効でない可能性がある。
Claims (15)
- 物質を検出するためのデバイスであって、
外部からアクセス可能なチャンバを画定するハウジングと、
前記チャンバの少なくとも一部を密閉するためのシールと、
前記チャンバ内に配置され、前記物質に曝露された際に前記物質に反応するためのナノ粒子を含むナノ構造体を備える基体と、
前記ナノ粒子を早期の曝露から保護するための、前記チャンバ内の非分析溶液と、
前記シールにより前記非分析溶液から分離された吸収剤とを含む、デバイス。 - 前記物質が被分析物を含み、前記非分析溶液が、前記被分析物に対する前記ナノ粒子の早期の曝露を低減するための液体からなる、請求項1に記載のデバイス。
- 前記非分析溶液が、水、蒸留水、アルコール、エタノール、又は炭化水素溶液の少なくとも1つからなる、請求項2に記載のデバイス。
- 前記基体が、表面増感ラマン分光法の基体、高感度蛍光分光法の基体、又は増強発光分光法の基体からなる、請求項1〜3の何れかに記載のデバイス。
- 前記ナノ構造体が、柱状構造体、又は円錐構造体の少なくとも一方からなる、請求項1〜4の何れかに記載のデバイス。
- 前記ナノ構造体が、少なくとも部分的に透明である、請求項1〜5の何れかに記載のデバイス。
- 前記シールが前記ハウジングから少なくとも部分的に取り除かれた後に、前記吸収剤が前記非分析溶液を少なくとも部分的に吸収することができる、請求項1〜6の何れかに記載のデバイス。
- 前記基体が、前記非分析溶液に少なくとも部分的に沈められる、請求項1〜7の何れかに記載のデバイス
- 物質を検出するためのデバイスを保護する方法であって、
前記物質に曝露された場合に、前記物質に対する曝露を明白に示すナノ粒子を含むナノ構造体を備える基体をハウジングのチャンバ内に配置し、
前記チャンバに非分析溶液を追加し、
前記チャンバ内の非分析溶液に前記基体を少なくとも部分的に沈め、
吸収剤を前記ハウジング内に配置し、
前記チャンバの少なくとも一部をシールで密閉することを含み、
前記吸収剤が前記シールにより前記非分析溶液から分離されている、方法。 - 前記物質が被分析物であり、前記非分析溶液を前記チャンバに追加することが、前記被分析物に対する前記基体の早期の曝露を低減する、請求項9に記載の方法。
- 前記シールが前記ハウジングから少なくとも部分的に取り除かれた後に、前記吸収剤が前記非分析溶液を少なくとも部分的に吸収することができる、請求項9又は10に記載の方法。
- 被分析物を検出するための試験デバイスであって、
溝を画定するハウジングと、
前記溝の少なくとも一部を密閉するために前記溝に密封係合する試験ストリップであって、前記試験ストリップが前記溝内に配置された基体を含み、前記基体は、前記被分析物に曝露された場合に前記被分析物に対する曝露を明白に示すナノ粒子を含むナノ構造体を備える、試験ストリップと、
前記ナノ粒子を早期の曝露から保護する、溝内の非分析溶液と、
前記試験ストリップにより前記非分析溶液から分離された吸収剤とを含む、試験デバイス。 - 前記基体が前記被分析物に曝露された場合に、前記基体が表面増感ラマン分光法、高感度蛍光分光法、又は増強発光分光法を受ける際に前記被分析物の存在を示すスペクトル成分を生じる、請求項12に記載の試験デバイス。
- 前記非分析溶液が、前記被分析物に対する前記基体のナノ粒子の早期の曝露を低減するための液体からなる、請求項12又は13に記載の試験デバイス。
- 前記試験ストリップが前記溝から取り除かれた後に、前記吸収剤が前記非分析溶液を少なくとも部分的に吸収することができる、請求項12〜14の何れかに記載の試験デバイス。
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US9913603B2 (en) | 2014-02-12 | 2018-03-13 | California Institute Of Technology | Reflowed gold nanostructures for surface enhanced raman spectroscopy |
WO2015123457A1 (en) | 2014-02-12 | 2015-08-20 | California Institute Of Technology | Plasmonics nanostructures for multiplexing implantable sensors |
US9846125B2 (en) | 2014-09-05 | 2017-12-19 | California Institute Of Technology | Surface enhanced Raman spectroscopy detection of gases, particles and liquids through nanopillar structures |
WO2016036410A1 (en) | 2014-09-05 | 2016-03-10 | California Institute Of Technology | Multiplexed surface enhanced raman sensors for early disease detection and in-situ bacterial monitoring |
WO2016094089A1 (en) | 2014-12-09 | 2016-06-16 | California Institute Of Technonolgy | Fabrication and self-aligned local functionalization of nanocups and various plasmonic nanostructures on flexible substrates for implantable and sensing applications |
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CN101629899A (zh) | 2009-08-28 | 2010-01-20 | 东北大学 | 高温挥发性熔盐Raman光谱测量用封闭样品池及其使用方法 |
WO2011034533A1 (en) * | 2009-09-17 | 2011-03-24 | Hewlett-Packard Development Company, L.P. | Electrically driven devices for surface enhanced raman spectroscopy |
WO2011037533A1 (en) | 2009-09-25 | 2011-03-31 | Nanexa Ab | Sers device |
US9091656B2 (en) | 2009-10-15 | 2015-07-28 | Ondavia, Inc. | SERS-active absorbers for the analysis of analytes |
US20120230892A1 (en) * | 2009-11-23 | 2012-09-13 | 3M Innovative Properties Company | Carrier with flexible microassay device and methods of use |
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2011
- 2011-09-30 JP JP2014530647A patent/JP5778346B2/ja not_active Expired - Fee Related
- 2011-09-30 CN CN201180073547.9A patent/CN103797352B/zh active Active
- 2011-09-30 WO PCT/US2011/054283 patent/WO2013048446A1/en active Application Filing
- 2011-09-30 EP EP11873395.5A patent/EP2761269B1/en active Active
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EP2761269B1 (en) | 2016-11-02 |
EP2761269A1 (en) | 2014-08-06 |
EP2761269A4 (en) | 2015-04-29 |
JP2014527182A (ja) | 2014-10-09 |
WO2013048446A1 (en) | 2013-04-04 |
CN103797352A (zh) | 2014-05-14 |
US20140199778A1 (en) | 2014-07-17 |
US9709538B2 (en) | 2017-07-18 |
CN103797352B (zh) | 2017-02-22 |
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