Assembling Of Separate Components (e.g., By Attaching, Etc.) Patents (Class 977/882)
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Patent number: 7666911Abstract: The present invention provides amphiphilic diacetylene compounds, and compositions and self-assembled nanotubes containing the same. Also provided are methods of producing the compounds, compositions, and nanotubes of the invention, and methods of destroying or inhibiting the growth or proliferation of microorganisms using the nanotubes of the present invention.Type: GrantFiled: September 27, 2005Date of Patent: February 23, 2010Assignee: NanoSembly, LLCInventors: Alan J. Russell, Richard R. Koepsel, Sang Beom Lee
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Patent number: 7595260Abstract: A bulk-doped semiconductor may be at least one of the following: a single crystal, an elongated and bulk-doped semiconductor that at any point along its longitudinal axis, has a largest cross-sectional dimension less than 500 nanometers, and a free-standing and bulk-doped semiconductor with at least one portion having a smallest width of less than 500 nanometers. At least one portion of such a semiconductor may have a smallest width of less than 200 nanometers, or less than 150 nanometers, or less than 100 nanometers, or less than 80 nanometers, or less than 70 nanometers, or less than 60 nanometers, or less than 40 nanometers, or less than 20 nanometers, or less than 10 nanometers, or even less than 5 nanometers. Such a semiconductor may be doped during growth. Such a semiconductor may be part of a device, which may include any of a variety of devices and combinations thereof.Type: GrantFiled: October 4, 2006Date of Patent: September 29, 2009Assignee: President and Fellows of Harvard CollegeInventors: Charles M. Lieber, Yi Cui, Xiangfeng Duan, Yu Huang
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Patent number: 7575933Abstract: An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostructure sensing devices. Methods for fabricating the electronic system are also disclosed. The methods involve modifying nanostructures within the devices to have different selectivity for sensing chemical species. Modification can involve chemical, electrochemical, and self-limiting point defect reactions. Reactants for these reactions can be supplied using a bath method or a chemical jet method. Methods for using the arrays of nanostructure sensing devices to detect and identify a plurality of chemical species are also provided.Type: GrantFiled: May 27, 2005Date of Patent: August 18, 2009Assignee: Nanomix, Inc.Inventors: Jean-Christophe P. Gabriel, Philip G. Collins, Keith Bradley, George Gruner
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Patent number: 7563482Abstract: A self-replicating monolayer system employing polymerization of monomers or nanoparticle ensembles on a defined template provides a method for synthesis of two-dimensional single molecule polymers. Systems of self-replicating monolayers are used as templates for growth of inorganic colloids. A preferred embodiment employs SAM-based replication, wherein an initial monolayer is patterned and used as a template for self-assembly of a second monolayer by molecular recognition. The second monolayer is polymerized in place and the monolayers are separated to form a replicate. Both may then function as templates for monolayer assemblies. A generic self-replicating monomer unit comprises a polymerizable moiety attached by methylene repeats to a recognition element and an ending unit that will not interfere with the chosen recognition chemistry. The recognition element is self-complementary, unless a set of two replicating monomers with compatible cross-linking chemistry is employed.Type: GrantFiled: December 24, 2007Date of Patent: July 21, 2009Assignee: Massachusetts Institute of TechnologyInventors: Joseph M. Jacobson, David W. Mosley
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Publication number: 20090159198Abstract: A method for making a carbon nanotube composite includes: (a) providing at least one carbon nanotube film and at least one polymer film; (b) forming a carbon nanotube film structure with the carbon nanotube film on a surface of the polymer film to obtain a carbon nanotube composite preform; (c) pre-combining the carbon nanotube composite preform to obtain a treated carbon nanotube composite preform; and (d) heating and pressing at least one treated carbon nanotube composite preform to achieve a carbon nanotube composite.Type: ApplicationFiled: October 6, 2008Publication date: June 25, 2009Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Jia-Ping Wang, Qun-Feng Cheng, Kai-Li Jiang, Shou-Shan Fan
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Publication number: 20090130370Abstract: A method of fabricating optical energy collection and conversion devices using carbon nanotubes (CNTs), and a method of anchoring CNT's into thin polymeric layers is disclosed. The basic method comprises an initial act of surrounding a plurality of substantially aligned nanostructures within at least one fluid layer of substantially uniform thickness such that a first end of the plurality of nanostructures protrudes from the fluid layer. Next, the fluid layer is altered to form an anchoring layer, thereby fastening the nanostructures within the primary anchoring layer with the first ends of the nanostructures protruding from a first surface of the primary anchoring layer. Finally, a portion of the anchoring layer is selectively removed such that a second end of the nanostructures is exposed and protrudes from the anchoring layer. The resulting product is an optically absorbent composite material having aligned nanostructures protruding from both sides of an anchoring layer.Type: ApplicationFiled: November 10, 2008Publication date: May 21, 2009Inventors: Elijah B. Sansom, Morteza Gharib, Derick Rinderknecht
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Publication number: 20090123553Abstract: A tubular or spherical nanostructure composed of a plurality of peptides, wherein each of the plurality of peptides includes no more than 4 amino acids and whereas at least one of the 4 amino acids is an aromatic amino acid.Type: ApplicationFiled: January 2, 2009Publication date: May 14, 2009Applicant: Ramot At Tel Aviv University Ltd.Inventors: Meital Reches, Ehud Gazit
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Patent number: 7531218Abstract: Methods and apparatuses for assembling a structure onto a substrate. A method according to one aspect of the invention includes dispensing a slurry onto a substrate wherein the slurry includes a first plurality of elements, each of which is designed to mate with a receptor region on said substrate and each of which comprises a functional element, and wherein the slurry also includes a second plurality of elements which are not designed to mate with receptor regions on the substrate. Typically, these second plurality of elements help movement of the first plurality of elements.Type: GrantFiled: December 15, 2006Date of Patent: May 12, 2009Assignee: Alien Technology CorporationInventors: John Stephen Smith, Mark A. Hadley, Gordon S. W. Craig, Frank Lowe
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Publication number: 20090071908Abstract: A method of concentrating nanoparticles, having the steps of: adding and mixing an extraction solvent with a nanoparticles-dispersion liquid that nanoparticles are dispersed in a dispersion solvent, thereby concentrating and extracting the nanoparticles into a phase of the extraction solvent, and removing the dispersion solvent by filter-filtrating a liquid of concentrated extract, in which the extraction solvent is substantially incompatible with the dispersion solvent, and the extract solvent can form an interface after the extraction solvent is mixed with the dispersion solvent and left the mixture still; further a method of deaggregating aggregated nanoparticles, having the steps of: applying two or more ultrasonic waves different in frequency to a liquid containing aggregated nanoparticles, and thereby fining and dispersing the aggregated nanoparticles.Type: ApplicationFiled: May 8, 2006Publication date: March 19, 2009Applicants: FUJIFILM CORPORATION, TOHOKU UNIVERSITYInventors: Yousuke Miyashita, Hachiro Nakanishi, Hitoshi Kasai, Akito Masuhara
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Patent number: 7491428Abstract: A carbon nanotube (CNT) attraction material is deposited on a substrate in the gap region between two electrodes on the substrate. An electric potential is applied to the two electrodes. The CNT attraction material is wetted with a solution defined by a carrier liquid having carbon nanotubes (CNTs) suspended therein. A portion of the CNTs align with the electric field and adhere to The CNT attraction material. The carrier liquid and any CNTs not adhered to the CNT attraction material are then removed.Type: GrantFiled: December 4, 2003Date of Patent: February 17, 2009Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Jan M. Smits, Russell A. Wincheski, JoAnne L. Ingram, Anthony Neal Watkins, Jeffrey D. Jordan
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Patent number: 7476442Abstract: Fabrication and arrangement of nanoparticles into one-dimensional linear chains is achieved by successive chemical reactions, each reaction adding one or more nanoparticles by building onto exposed, unprotected linker functionalities. Optionally, protecting groups may be used to control and organize growth. Nanoparticle spheres are functionalized in a controlled manner in order to enable covalent linkages. Functionalization of nanoparticles is accomplished by either ligand exchange or chemical modification of the terminal functional groups of the capping ligand. Nanoparticle chains are obtained by a variety of connectivity modes such as direct coupling, use of linker molecules, and use of linear polymeric templates. In particular, a versatile building block system is obtained through controlled monofunctionalization of nanoparticles.Type: GrantFiled: July 17, 2003Date of Patent: January 13, 2009Assignee: Massachusetts Institute of TechnologyInventors: Joseph M. Jacobson, David W. Mosley, Kie-Moon Sung
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Patent number: 7452432Abstract: Disclosed herein are an apparatus for and a method of bonding a nano-tip using electrochemical etching, in which a good bonding stability can be provided. The nano-tip bonding apparatus comprises a glass plate having a top surface of a certain desired area. An electrolytic solution having conductivity is placed on the top surface of the glass plate by means of surface tension. Means for moving reciprocally a base material having conductivity in opposite direction is provided. A carbon nano-tube is adhered to a pointed tip of the base material by means of an adhesive. An end portion of the carbon nano-tube is to be immersed in the electrolytic solution. A power supply is provided for applying an electric power to the electrolytic solution and the base material.Type: GrantFiled: May 26, 2005Date of Patent: November 18, 2008Assignee: Korean Advanced Institute of Science and TechnologyInventors: Soo Hyun Kim, Jun Sok Lee, Jai Seong Choi, Gyung Soo Kang
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Publication number: 20080264259Abstract: A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.Type: ApplicationFiled: April 26, 2007Publication date: October 30, 2008Inventor: Wallace W. Leung
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Publication number: 20080204966Abstract: Systems and methods for manipulating nanostructures, such as nanospheres, nanodisks, nanowires, and nanotubes. The systems and methods permit the construction of nano-scale contacts, scaffolds, and motors using electric fields that do not require the use of toxic nanostructure materials. The electric fields are imposed on the nanostructures using electrodes having specific shapes and driven with voltages having particular amplitudes, frequencies, and phase differences. The electrode shape and voltage characteristics influence the configuration of the electric fields, which in turn influences the ultimate configuration of the nanostructures. The nanostructures retain their configuration after the electric fields and any transport medium, such as deionized water, are removed.Type: ApplicationFiled: September 21, 2005Publication date: August 28, 2008Applicant: THE JOHNS HOPKINS UNIVERSITYInventors: Donglei Fan, Frank Q. Zhu, Chia-Ling Chien, Robert C. Cammarata
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Patent number: 7312095Abstract: An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostructure sensing devices. Methods for fabricating the electronic system are also disclosed. The methods involve modifying nanostructures within the devices to have different selectivity for sensing chemical species. Modification can involve chemical, electrochemical, and self-limiting point defect reactions. Reactants for these reactions can be supplied using a bath method or a chemical jet method. Methods for using the arrays of nanostructure sensing devices to detect and identify a plurality of chemical species are also provided.Type: GrantFiled: March 15, 2002Date of Patent: December 25, 2007Assignee: Nanomix, Inc.Inventors: Jean-Christophe P. Gabriel, Philip G. Collins, Keith Bradley, George Gruner
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Patent number: 7311943Abstract: A self-replicating monolayer system employing polymerization of monomers or nanoparticle ensembles on a defined template provides a method for synthesis of two-dimensional single molecule polymers. Systems of self-replicating monolayers may be used as templates for the growth of inorganic colloids. A preferred embodiment is a SAM-based replication, wherein an initial monolayer is patterned and used as a template for self-assembly of a second monolayer by molecular recognition. Once the second monolayer has formed, it is polymerized in place and the two monolayers are separated to form a replicate. Both monolayers may then function as templates for monolayer assemblies. A generic self-replicating monomer unit suitable for use in one embodiment comprises a polymerizable moiety attached by methylene repeats to a recognition element and an ending unit that will not interfere with the chosen recognition chemistry.Type: GrantFiled: July 17, 2003Date of Patent: December 25, 2007Assignee: Massachusetts Institute of TechnologyInventors: Joseph M. Jacobson, David W. Mosley
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Patent number: 7259099Abstract: The present invention provides a MOSFET device comprising: a substrate including a plurality of atomic ridges, each of the atomic ridges including a semiconductor layer comprising Si and an dielectric layer comprising a Si compound; a plurality nanogrooves between the atomic ridges; at least one elongated molecule located in at least one of the nanogrooves; a porous gate layer located on top of the plurality of atomic ridges. The present invention also provides a membrane comprising: a substrate; and a plurality of nanowindows in the substrate and a method for forming nanowindows in a substrate.Type: GrantFiled: September 15, 2005Date of Patent: August 21, 2007Assignee: Starmega CorporationInventors: Don L. Kendall, Mark J. Guttag
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Patent number: 7181811Abstract: This application relates to a micro-fastening system and, more particularly, to a mechanical micro-fastening system employing a plurality of mating nanoscale fastening elements (16, 18) and a method of manufacturing a micro-fastening system. The mating nanoscale fastening elements (16, 18) are formed by functionalizing nanotubes having an ordered array of hexagons with pentagons and heptagons at particular heterojunctions.Type: GrantFiled: February 11, 1999Date of Patent: February 27, 2007Assignee: Board of Trustees operating Michigan State UniversityInventors: David Tomanek, Richard Enbody, Young-Kyun Kwon
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Patent number: 7169251Abstract: A method of forming nanofluidic enclosed channels includes providing a first substrate having a layer of a first material disposed thereon. A plurality of nanoscale slots is formed along a second substrate using nanolithography, etching, or other disclosed techniques. The first substrate is then bonded to the second substrate such that the layer of the first material on the first substrate is adjacent the plurality of slots on the second substrate to define a plurality of enclosed nanofluidic channels therethrough.Type: GrantFiled: May 13, 2003Date of Patent: January 30, 2007Assignee: The Regents of the University of MichiganInventors: Lingjie J Guo, Xing Cheng
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Patent number: 7147894Abstract: A method for the self assembly of a macroscopic structure with a pre-formed nano object is provided. The method includes processing a nano object to a desired aspect ratio and chemical functionality and mixing the processed nano object with a solvent to form a suspension. Upon formation of the suspension, a substrate is inserted into the suspension. By either evaporation of the solvent, changing the pH value of the suspension, or changing the temperature of the suspension, the nano objects within the suspension deposit onto the substrate in an orientational order. In addition, a seed crystal may be used in place of the substrate thereby forming single-crystals and free-standing membranes of the nano-objects.Type: GrantFiled: March 25, 2002Date of Patent: December 12, 2006Assignee: The University of North Carolina at Chapel HillInventors: Otto Z. Zhou, Hideo Shimoda, Soojin Oh