Plasmonic-magnetic bifunctional nanotubes for biological applications
AssigneeBoard of Regents, The Univeristy of Texas System
InventorsDonglei Fan, Xiaobin Xu
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Abstract
The present invention includes nanotubes or rods, methods and arrays using plasmonic-magnetic bifunctional nanotubes or rods comprising: one or more silica nanotubes or rods; one or more nanomagnets embedded in a portion of the silica nanotubes or rods; and plasmonic metal nanoparticles uniformly coating in or on at least a portion of the surface of the nanomagnets and the silica nanotubes surface-coated.
Claims49
Plasmonic-magnetic bifunctional nanotubes or nanorods comprising:
- one or more silica nanotubes or nanorods;
- one or more nanomagnets embedded in a portion of the silica nanotubes or nanorods;
- and
- plasmonic metal nanoparticles uniformly coating in, on, or about, at least a portion of the surface of the nanomagnets and the silica nanotubes surface-coated.
A method of making a plasmonic-magnetic bifunctional nanotube comprising:
- forming a silica rod or tube;
- embedding a magnetic material in the silica rod, thereby providing a magnetic moment to the rod or tube;
- and
- coating at least a portion of the silica rod or tube with a metallic coating, wherein the nanotube is plasmonic-magnetic.
A nanosensor array comprising:
- two or more plasmonic-magnetic bifunctional nanotubes, wherein each of the plasmonic-magnetic bifunctional nanotubes further comprises one or more analyte detectors, wherein binding of the analyte to the analyte detector on the plasmonic-magnetic bifunctional nanotubes is detected.
A steerable, controllable plasmonic-magnetic bifunctional active agent delivery device comprising:
- one or more silica nanotubes or nanorods comprising an active agent;
- one or more nanomagnets embedded in a portion of the silica nanotubes or nanorods;
- and
- plasmonic metal nanoparticles uniformly coating in, on, or about, at least a portion of the surface of the nanomagnets and the silica nanotubes surface-coated, wherein the plasmonic-magnetic bifunctional nanotubes or nanorods can be steered three-dimensionally in a liquid medium.
A method for delivering an active agent comprising:
- loading a steerable, controllable plasmonic-magnetic bifunctional nanotubes or nanorods comprising one or more nanomagnets embedded in a portion of the silica nanotubes or nanorods;
- and plasmonic metal nanoparticles uniformly coating at least a portion of the surface of the nanomagnets and the silica nanotubes surface-coated with an active agent;
- placing the steerable, controllable plasmonic-magnetic bifunctional nanotubes or nanorods in a liquid medium;
- and
- positioning the steerable, controllable plasmonic-magnetic bifunctional nanotubes or nanorods in three dimensions using electric tweezers.
Dependencies are inferred from the claim text.