Abstract: A method for forming a nerve graft includes the following steps. A carbon nanotube structure is provided. A hydrophilic layer is formed on a surface of the carbon nanotube structure. The hydrophilic layer is polarized to form a polar surface on the hydrophilic layer. A number of neurons are formed on the polar surface of the hydrophilic layer to form a nerve network. The neurons connect with each other.

Abstract: A method for making a nerve graft includes the following steps. A culture layer including a lyophobic substrate, a carbon nanotube film structure, and a protein layer is provided. The carbon nanotube film structure is sandwiched between the lyophobic substrate and the protein layer. A number of nerve cells are seeded on a surface of the protein layer away from the lyophobic substrate. The nerve cells are cultured until a number of neurites branch from the nerve cells and are connected between the nerve cells.

Abstract: A nerve graft includes a lyophobic substrate, a carbon nanotube film structure, a protein layer, and a nerve network. The carbon nanotube film structure is located on a surface of the lyophobic substrate. The protein layer is located on a surface of the carbon nanotube film structure away from the lyophobic substrate. The nerve network is positioned on a surface of the protein layer away from the lyophobic substrate.

Abstract: A nerve graft includes a carbon nanotube film structure, a protein layer, and a nerve network. The protein layer is located on a surface of the carbon nanotube film structure. The nerve network is positioned on a surface of the protein layer and far away from the carbon nanotube film structure.

Abstract: A method for making a nerve graft includes the following steps. A culture layer including a carbon nanotube film structure and a protein layer is provided. The protein layer is located on a surface of the carbon nanotube film structure. A number of nerve cells are seeded on a surface of the protein layer away from the carbon nanotube film structure. The nerve cells are cultured until a number of neurites branch from the nerve cells and are connected between the nerve cells.

Abstract: A hydrophilic composite includes a carbon nanotube structure and a protein layer. The carbon nanotube structure has at least one carbon nanotube film. The protein layer covers one surface of the carbon nanotube structure, and is coupled to the at least one carbon nanotube film. The carbon nanotube structure is disposed on a substrate.

Abstract: A method for forming a hydrophilic composite includes the following steps. A substrate is provided. A carbon nanotube structure having a number of carbon nanotubes is provided. The carbon nanotube structure is disposed on the substrate. A protein solution is provided. The substrate with the carbon nanotube structure is immersed in the protein solution to form a protein layer on the carbon nanotube structure, forming the hydrophilic composite.

Abstract: A method for making a hydrophilic carbon nanotube film is provided. A reactor, an oxidative acid solution disposed in the reactor, and at least one primary carbon nanotube film are provided. The primary carbon nanotube film is set in the reactor disposed apart from the oxidative acid solution. The oxidative acid solution is then volatilized to form oxidative acid gas and the reactor is filled with the oxidative acid gas.

Abstract: A pacemaker includes a pulse generator, a conduction line, and a pacemaker electrode. The pacemaker electrode includes a body and an insulation layer. The body includes at least one carbon nanotube yarn. The carbon nanotube yarn includes a number of carbon nanotubes. The carbon nanotubes are interconnected along one axis of the body by van der Waals force. The insulation layer covers an outer surface of the body.

Abstract: A pacemaker lead includes a body and an insulation layer. The body includes at least one carbon nanotube yarn. The at least one carbon nanotube yarn includes a plurality of carbon nanotubes. The carbon nanotubes are interconnected along an axis of the body by van der Waals force. The insulation layer covers an outer surface of the body.

Abstract: Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface.

Abstract: A generator includes a heat-electricity transforming device and a heat collector. The heat-electricity transforming device is configured to transform heat into electricity. The heat collector includes at least one heat absorption module. The at least one heat absorption module includes a carbon nanotube structure. The at least one heat absorption module is connected to the heat-electricity transforming device and transfers heat to the heat-electricity transforming device.

Abstract: Systems, methods, and devices for accessing portal services via a mobile communication device are provided. The mobile communication device may execute a menu program having a graphical user interface. The graphical user interface may include a service menu screen including a plurality of service selectors, each service selector having a respective service icon positioned within a boundary, the service icon graphically representing a service of a communications portal with which the mobile communication device is configured to communicate. Each respective service icon may be selectable by a user to access a corresponding client program of the associated service served by the communications portal. At least some of the service selectors may further include a shared status icon indicating an operational state of the service and/or associated client program.

Abstract: The present invention includes a template, an optoelectronic device and methods for making the same. The optoelectronic device includes a first substrate; a first electrode disposed on the first substrate; a first interdigitating, nano-structured charge-transfer molded material (e.g., a polymer) with a first electron affinity disposed on the first electrode; a second interdigitating, nano-structured charge-transfer material (e.g., single molecules, quantum dots, or particles) with a second electron affinity disposed on the first interdigitating, nano-structured charge-transfer material; a second electrode disposed in the second interdigitating, nano-structured charge-transfer material; and a second substrate disposed on the second electrode.

Abstract: The present invention includes compositions, methods and pharmaceutical compositions formed by template-directed polymer molding by contacting a porous template with one or more layers of polymeric material coated on a release layer coated on a substrate, applying pressure to the porous template, the substrates or both and separating the porous template from the polymer material to form one or more polymer nonspherical nanostructures with one or more layers on the substrate. The template includes one or more nonspherical nanostructure features. The size and shape of the one or more single- or multi-layer polymeric nonspherical nanostructures are controlled by the one or more nonspherical nanostructure features and the polymer material optionally including one or more active agents with or without retardants, dyes, etc.

Abstract: Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface.

Abstract: Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface.

Abstract: Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface.

Abstract: Chemically or biochemically active agents or other species are patterned on a substrate surface by providing a micromold having a contoured surface and forming, on a substrate surface, a chemically or biochemically active agent or fluid precursor of a structure. A chemically or biochemically active agent or fluid precursor also can be transferred from indentations in an applicator to a substrate surface. The substrate surface can be planar or non-planar. Fluid precursors of polymeric structures, inorganic ceramics and salts, and the like can be used to form patterned polymeric articles, inorganic salts and ceramics, reactive ion etch masks, etc. at the surface. The articles can be formed in a pattern including a portion having a lateral dimension of less than about 1 millimeter or smaller. The indentation pattern of the applicator can be used to transfer separate, distinct chemically or biochemically active agents or fluid precursors to separate, isolated regions of a substrate surface.

Abstract: The invention provides a method for producing an optical waveguide that includes the steps of: (a) forming a core structure, the core structure including an at least partially cured core composition, on a master defining a waveguide pattern; (b) applying over the top of the core structure and the master a cladding layer including a liquid cladding composition; (c) curing the cladding layer to form a core/cladding combination; and removing the core/cladding combination from the master so as to expose at least a portion of the core structure, wherein the refractive index of the core material is at least about 0.05 percent higher than the refractive index of the cladding material.