Nanostructured surface for microparticle analysis and manipulation
View Patent ↗The present invention provides an apparatus, comprising a first mechanical structure having a first rigid surface, an area of the first rigid surface having a nanostructured surface. The apparatus also includes a second mechanical structure having a second rigid surface and opposing the first mechanical structure. The second rigid surface is cooperable with the nanostructured surface such that a microscopic particle is locatable between the nanostructured surface and the second rigid surface.
1. A method of analyzing microscopic particles, comprising:
placing a plurality of microscopic particles in an apparatus, said apparatus comprising:
a first mechanical structure having a first rigid surface, an area of said first rigid surface having a nanostructured surface; and
a second mechanical structure having a second rigid surface opposing said first mechanical structure and cooperable with said nanostructured surface such that said plurality of microscopic particles are located in between said nanostructured surface and said opposing second rigid surface, wherein said nanostructured surface comprises pins each having a conductive core, said conductive core and said second rigid surface configured to be electrically coupled to a voltage, and said area of said first rigid surface includes openings between said pins to form a permeable membrane; and
applying a force to said plurality of microscopic particles through said nanostructured surface and said second rigid surface.
2. The method of claim 1 , wherein said force comprises a contact force generated when said first rigid surface and said second rigid surface are moved towards each other.
3. The method of claim 1 , wherein said force comprises an electrical force generated when a voltage is applied to insulated said conductive cores of said nanostructured surface and said second rigid surface.
4. The method of claim 1 , wherein said force comprises an electromagnetic force generated when an electric current is applied to said conductive of said nanostructured surface and to said microparticles.
5. The method of claim 1 , wherein said force comprises an ultrasonic wave that is produced in response to applying an acoustic wave through said nanostructured surface.
6. The method of claim 1 , wherein said force is configured to rupture said plurality of microscopic particles.
7. The method of claim 2 , further including determining a one or more of an elastic property or compressibility of said microparticles from said contact force being applied between said microparticles and said nanostructured surface.
8. The method of claim 3 , further including determining one or more of a capacitance, impedance or conductance of said microparticles from said voltage being applied between said microparticles and said nanostructured surface.
9. The method of claim 5 , further including determined an acoustic impedance of said microparticles from said acoustic wave being applied between said microparticles and said nanostructured surface.
10. The method of claim 6 , further including passing material released from said ruptured microparticles through said permeable membrane.
11. The method of claim 1 , wherein said second rigid surface further includes openings to form a second permeable membrane.
12. The method of claim 1 , wherein said second rigid surface further includes a second nanostructured surface.
13. The method of claim 1 , wherein a long axis of said pins are perpendicular to said first rigid surface.