JP4229394B2 - 多孔質材料を用いた分子の検出方法ならびに該多孔質材料及び該多孔質材料の製造方法 - Google Patents
多孔質材料を用いた分子の検出方法ならびに該多孔質材料及び該多孔質材料の製造方法 Download PDFInfo
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Description
本発明の検出方法の第二の実施形態は、気相または液相中の目的分子を多孔質材料に選択的に吸着させ、吸着された目的分子を検出する検出法であって、前記多孔質材料が、ナノサイズの細孔を有し、該細孔が高秩序な周期的細孔構造を有し、且つ、細孔の径、細孔の形状および細孔内部の表面の構造、並びに細孔内部の表面の目的分子との親和性が、目的分子の吸着に適合されており、前記多孔質材料が、親水性処理した細孔内部表面と疎水性処理をした細孔内部表面とを交互に形成したものであり、目的分子を疎水性表面に選択的に吸着し、目的分子を光学的に検出することができることを特徴とする。
さらに、本発明の多孔質材料では、有機官能基は、モノフェニル基、ジフェニル基、トリフェニル基、アゾベンゼン基あるいはナフチル基であることが好ましい。
ラメラ状の形状は、層状であり、アリシン51とアリチアミン53を分離するうえで、良好な形状である。
Claims (18)
- 気相または液相中の目的分子を多孔質材料に選択的に吸着させ、吸着された目的分子を検出する検出法であって、前記多孔質材料が、ナノサイズの細孔を有し、該細孔が高秩序な周期的細孔構造を有し、且つ、細孔の径、細孔の形状および細孔内部の表面の構造、並びに細孔内部の表面の目的分子との親和性が、目的分子の吸着に適合されており、前記多孔質材料が、光照射により異性化し、占有体積が減少する官能基を含む置換基で修飾されており、前記多孔質材料の光照射された部分に目的分子を選択的に吸着させることができることを特徴とする検出方法。
- 気相または液相中の目的分子を多孔質材料に選択的に吸着させ、吸着された目的分子を検出する検出法であって、前記多孔質材料が、ナノサイズの細孔を有し、該細孔が高秩序な周期的細孔構造を有し、且つ、細孔の径、細孔の形状および細孔内部の表面の構造、並びに細孔内部の表面の目的分子との親和性が、目的分子の吸着に適合されており、前記多孔質材料が、親水性処理した細孔内部表面と疎水性処理をした細孔内部表面とを交互に形成したものであり、目的分子を疎水性表面に選択的に吸着し、目的分子を光学的に検出することができることを特徴とする検出方法。
- 前記多孔質材料はメソポーラスシリカ材料またはメソポーラスカーボンから選択されることを特徴とする請求項1に記載の検出方法。
- 前記細孔はメソ孔及びマイクロ孔からなり、これらの孔径はメソ孔の孔径(直径)が2nmから100nmであり、マイクロ孔の孔径(直径)が0.2から2nmであり、且つその径が均一であることを特徴とする請求項1から3のいずれか1項に記載の検出方法。
- 前記細孔がメソ孔及びマイクロ孔からなり、メソ孔の形状が、六方晶形、立方晶形またはラメラ状から選択されることを特徴とする1から4のいずれか1項に記載の検出方法。
- 前記細孔内部の表面の構造が、細孔内部の表面に置換基を有する構造であり、該置換基の大きさと密度が目的分子に適した構造を有することを特徴とする請求項1から5のいずれか1項に記載の検出方法。
- 前記細孔内部の表面の目的分子との親和性が、目的分子の吸着に適合した細孔内部の表面の置換基によって提供されることを特徴とする請求項1から6のいずれか1項に記載の検出方法。
- 前記置換基が水酸基であることを特徴とする請求項6または7に記載の検出方法。
- 前記水酸基が、有機官能基を含む置換基によって修飾されていることを特徴とする請求項8に記載の検出方法。
- 前記有機官能基が、モノフェニル基、ジフェニル基、トリフェニル基、アゾベンゼン基またはナフチル基から選択されることを特徴とする請求項9に記載の検出方法。
- 前記多孔質材料に目的分子を選択的に吸着させた後、前記多孔質材料を加熱し、目的分子の濃縮ガスを光学的検出手段に導くことにより、目的分子を光学的に検出することを特徴とする請求項1または2に記載の検出方法。
- 前記多孔質材料に目的分子を選択的に吸着させた後、目的分子を吸着した状態のまま光学的手段により検出することを特徴とする請求項1または2に記載の検出方法。
- 前記目的分子は、クレゾール、ベンゼン、ノニルフェノールまたはアリチアミンから選択されることを特徴とする請求項1から12のいずれか1項に記載の検出方法。
- 気相または液相中の目的分子を選択的に吸着させる多孔質材料であって、前記多孔質材料が、ナノサイズの細孔を有し、該細孔が高秩序な周期的細孔構造を有し、且つ、細孔の径、細孔の形状および細孔内部の表面の構造、並びに細孔内部の表面の親和性が、目的分子の吸着に適合されており、
前記細孔内部の表面の構造が、細孔内部の表面に置換基を有する構造であり、該置換基の大きさと密度が目的分子に適した構造を有し、
前記細孔内部の表面の目的分子との親和性が、目的分子の吸着に適合した細孔内部の表面の置換基によって提供され、
前記置換基が水酸基であり、該水酸基が、有機官能基を含む置換基によって修飾されており、該有機官能基を含む置換基が、光により異性化し、前記置換基の占有体積を減少させるものであることを特徴とする多孔質材料。 - 前記多孔質材料はメソポーラスシリカ材料またはメソポーラスカーボンから選択されることを特徴とする請求項14に記載の多孔質材料。
- 前記細孔はメソ孔及びマイクロ孔からなり、これらの孔径はメソ孔の孔径(直径)が2nmから100nmであり、マイクロ孔の孔径(直径)が0.2から2nmであり、且つその径が均一であることを特徴とする請求項14または15に記載の多孔質材料。
- 前記細孔がメソ孔及びマイクロ孔からなり、メソ孔の形状が六方晶形、立方晶形またはラメラ状から選択されることを特徴とする14から16のいずれか1項に記載の多孔質材料。
- 前記有機官能基が、モノフェニル基、ジフェニル基、トリフェニル基、アゾベンゼン基またはナフチル基から選択されることを特徴とする請求項14から17のいずれか1項に記載の多孔質材料。
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