JP7404396B2 - インターフェイスのためのキャビティに近接した粒子の誘電泳動固定化 - Google Patents
インターフェイスのためのキャビティに近接した粒子の誘電泳動固定化 Download PDFInfo
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Description
Claims (16)
- コンパートメントから流体を分離するための膜であって、該膜は開口を含む、膜と、
前記膜に近接して配置される1つ以上の電極と、
対電極であって、前記1つ以上の電極及び該対電極は、前記1つ以上の電極及び該対電極にわたって非線形電場を生成するように構成されている、対電極と、
前記1つ以上の電極及び前記対電極にわたって交流(AC)を提供することにより、前記1つ以上の電極と前記対電極との間の流路を流れる前記流体内に懸濁された粒子を固定化するために振動非線形電場を生成する電源と、
を含み、
前記開口は、固定化された前記粒子の機械的操作を可能にし、該機械的操作は、前記コンパートメントから前記膜を横切って入るように構成された鋭利部材で前記粒子をプロービングすることを含む、装置。 - 前記膜は窒化ケイ素、酸化ケイ素、金属酸化物、炭化物、セラミック、アルミナ又はポリマーのうちの少なくとも1つを含む、請求項1に記載の装置。
- 前記膜は10nm~1cmの厚さを有する、請求項1又は2に記載の装置。
- 前記開口は10nm~50μmのサイズを有する、請求項1に記載の装置。
- 前記開口の壁は疎水性コーティング又は親水性コーティングを有する、請求項1に記載の装置。
- 前記1つ以上の電極の表面積は前記対電極の表面積よりも小さい、請求項1乃至5のいずれか一項に記載の装置。
- 前記1つ以上の電極及び前記対電極にわたる前記ACは、10Hz~10GHzの発振周波数で供給される、請求項1乃至6のいずれか一項に記載の装置。
- 前記1つ以上の電極は透明導電材料又はドープ半導体材料のうちの少なくとも1つを含む、請求項1乃至7のいずれか一項に記載の装置。
- 前記透明導電材料は、インジウム錫酸化物、グラフェン、ドープグラフェン、導電性ポリマー又は薄い金属層を含む、請求項8に記載の装置。
- 前記流体は、水性流体、水性緩衝液、有機溶媒、疎水性流体又はガスのうちの1つを含む、請求項1乃至9のいずれか一項に記載の装置。
- 前記粒子は、生物有機体、生物学的構造、細胞、生細胞、ウイルス、油滴、リポソーム、ミセル、逆ミセル、タンパク質凝集体、ポリマー又は界面活性剤アセンブリのうちの1つを含む、請求項1乃至10のいずれか一項に記載の装置。
- 装置を操作するための方法であって、
電源を提供するステップと、
コンパートメントから流体を分離するように構成された膜を提供するステップであって、該膜は開口を含む、ステップと、
前記膜に近接して配置される1つ以上の電極を提供するステップと、
対電極を提供するステップであって、前記1つ以上の電極及び該対電極は、前記1つ以上の電極及び該対電極にわたって非線形電場を生成するように構成されている、ステップと、
前記電源を介して、前記1つ以上の電極及び前記対電極にわたって交流(AC)を供給することにより、振動非線形電場を生成するステップと、
前記振動非線形電場により生成される誘電泳動(DEP)力を介して、前記1つ以上の電極と前記対電極との間の流路を流れる前記流体内に懸濁された粒子を固定化するステップと、
前記コンパートメントから前記膜を横切って入るように構成された鋭利部材で、前記開口を介して前記粒子をプロービングするステップと、
を含む方法。 - 前記開口を介して固定化された前記粒子を操作するステップをさらに含む、請求項12に記載の方法。
- 前記コンパートメントから前記膜を横切って入るように構成された鋭利部材で、前記開口を介して前記粒子を挿入するステップをさらに含む、請求項12に記載の方法。
- 1つ以上の電極及び対電極であって、該1つ以上の電極と該対電極との間の流路を流れる流体内に懸濁された粒子を固定化するために非線形電場を生成するように構成されている、1つ以上の電極及び対電極と、
前記1つ以上の電極の表面に近接して配置される膜であって、前記1つ以上の電極の該表面は前記対電極に対して遠位にある、膜と、
を含む装置であって、
前記膜はコンパートメントから前記流体を分離するために構成され、該コンパートメントに配置される鋭利部材を挿入できるようにするように構成された開口を有する、装置。 - 前記粒子は、生物有機体、生物学的構造、細胞、生細胞、ウイルス、油滴、リポソーム、ミセル、逆ミセル、タンパク質凝集体、ポリマー又は界面活性剤アセンブリのうちの1つを含む、請求項15に記載の装置。
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