NANOTEXTURED MATERIALS
A material with nanopillar structures extending from a substrate. The nanopillars are engageable by organisms to cause an interaction, such as cellular destruction.
1 . A nanotextured material comprising:
a substrate having a plurality of nanopillars extending from a first surface with a density on the substrate of 15 pillars per μm 2 to 30 pillars per μm 2 ;
each of the plurality of nanopillars having a nanopillar lengths between 150 nm to 1.5 μm and a nanopillars diameter is from 50 nm to 490 nm; and
each of the plurality of nanopillars further having a tip opposite the substrate, the tip having a tapering diameter with a tip angle of greater than 30°, The nanotextured material of claim 1 , wherein the nanotextured material has antimicrobial selectivity to at least one organism.
2 . The nanotextured material of claim 1 , wherein the plurality of nanopillars comprise a first set with a first pillar height and a second set with a second pillar height different from the first pillar height.
3 . The nanotextured material of claim 1 , wherein the nanotextured material is silicon.
4 . The nanotextured material of claim 1 , further comprising an attractive material associated with the first surface.
5 . The nanotextured material of claim 1 comprising a second surface with a second plurality of nanopillars extending therefrom.
6 . The nanotextured material of claim 1 , wherein at least a portion of the nanotextured material is magnetic.
7 . A nanotextured material comprising:
a substrate having a plurality of nanopillars extending there from with a density on the substrate of 2 pillars per μm 2 to 20 pillars per μm 2 ;
each of the plurality of nanopillars having a nanopillar lengths between 400 nm to 10 microns and a nanopillars diameter is from 50 nm to 490 nm; and
each of the plurality of nanopillars further having a tip opposite the substrate, the tip having a tapering diameter with a tip angle of less than 20°;
8 . The nanotextured material of claim 7 , wherein the nanotextured material has antimicrobial selectivity to at least one organism.
9 . The nanotextured material of claim 7 , wherein the plurality of nanopillars comprise a first set with a first pillar height and a second set with a second pillar height different from the first pillar height.
10 . The nanotextured material of claim 7 , wherein the nanotextured material is silicon.
11 . The nanotextured material of claim 7 , further comprising an attractive material associated with the first surface.
12 . The nanotextured material of claim 7 comprising a second surface with a second plurality of nanopillars extending therefrom.
13 . The nanotextured material of claim 7 , wherein at least a portion of the nanotextured material is magnetic.
14 . A method of assaying the contents of a vessel having an outer barrier, comprising:
interacting the vessel with a nanotextured material having a plurality of pillars extending from a surface;
compromising the outer barrier by interaction with one or more of the plurality of pillars;
exposing contents of the vessel;
interacting contents of the vessel with an assay; and
determining one or more characteristics of the contents of the vessel.
15 . The method of claim 14 , wherein the vessel is a bacteria and the outer barrier is a cell wall.
16 . The method of claim 14 , wherein the nanotextured material comprises a substrate having a plurality of nanopillars.
17 . The method of claim 14 , wherein the substrate comprises one or more moieties of the assay bound to the substrate between the nanopillars.
18 . The method of claim 14 , further comprising interacting a second vessel with a second vessel outer barrier with the nanotextured material wherein the second vessel outer barrier is not compromised.
19 . The method of claim 14 , wherein the vessel is fixed in place relative to the nanotextured material by interaction with the one or more of the plurality of pillars.