Now showing items 1-20 of 465

    • Methods of producing graphene quantum dots from coal and coke 

      Tour, James M.; Ye, Ruquan; Xiang, Changsheng; Lin, Jian; Peng, Zhiwei; Ceriotti, Gabriel (2018-03-20)
      In some embodiments, the present disclosure pertains to methods of making graphene quantum dots from a carbon source (e.g., coal, coke, and combinations thereof) by exposing the carbon source to an oxidant. In some ...
    • Systems and methods for magnetic guidance and patterning of materials 

      Souza, Glauco R.; Pasqualini, Renata; Arap, Wadih; Killian, Thomas Charles; Raphael, Robert M.; Stark, Daniel Joshua (2018-03-06)
      Systems and methods generally useful in medicine, cellular biology, nanotechnology, and cell culturing are discussed. In particular, at least in some embodiments, systems and methods for magnetic guidance and patterning ...
    • Method and device for real-time differentiation of analog and digital signals 

      Celik, Ozkan; Chawda, Vinay; O'malley, Marcia K. (2018-03-06)
      The controller includes a differentiating engine configured to receive an input signal value (ISV), wherein the ISV corresponds to state information for one selected from a group consisting of a controlled process and a ...
    • Rebar hybrid materials and methods of making the same 

      Tour, James M.; Yan, Zheng; Peng, Zhiwei; Hauge, Robert H.; Li, Yilun (2018-02-20)
      In some embodiments, the present disclosure pertains to methods of forming a reinforcing material by: (1) depositing a first material onto a catalyst surface; and (2) forming a second material on the catalyst surface, where ...
    • Flexible and transparent supercapacitors and fabrication using thin film carbon electrodes with controlled morphologies 

      Jung, Yung Joon; Jung, Hyun Young; Ajayan, Pulickel M. (2018-01-30)
      Mechanically flexible and optically transparent thin film solid state supercapacitors are fabricated by assembling nano-engineered carbon electrodes in porous templates. The electrodes have textured graphitic surface films ...
    • Generating a heated fluid using an electromagnetic radiation-absorbing complex 

      Halas, Nancy J.; Nordlander, Peter; Neumann, Oara (2018-01-09)
      A vessel including a concentrator configured to concentrate electromagnetic (EM) radiation received from an EM radiation source and a complex configured to absorb EM radiation to generate heat. The vessel is configured to ...
    • Electron spin resonance for medical imaging 

      Yang, Xuebei; Chen, Charles; Seifi, Payam; Babakhani, Aydin (2018-01-02)
      A method includes generating, from an integrated oscillator circuit, an oscillating output signal and generating, by an integrated power amplifier (PA) circuit, an amplified oscillating output signal based on the oscillating ...
    • Long chain organic acid bioproduction 

      Bennett, George N.; Cai, Xianpeng (2018-01-02)
      Method of cell culture, comprising adding a redox active compound with a redox potential of between −0.116 to −0.253 to a culture capable of forming hydrogen via a hydrogenase so that the redox potential is diverted from ...
    • Ultra-low-tension compositions and their use in enhanced oil recovery 

      Puerto, Maura; Salinas, José Luis López; Miller, Clarence A.; Hirasaki, George (2018-01-02)
      In some embodiments, the present disclosure pertains to compositions for enhanced oil recovery. In some embodiments, such compositions include: (1) a first agent, wherein the first agent acts as a foam booster; (2) a second ...
    • Methods for production of single-crystal graphenes 

      Tour, James M.; Yan, Zheng (2017-12-19)
      In some embodiments, the present disclosure pertains to methods of forming single-crystal graphenes by: (1) cleaning a surface of a catalyst; (2) annealing the surface of the catalyst; (3) applying a carbon source to the ...
    • Production of graphene nanoplatelets by oxidative anhydrous acidic media 

      Tour, James M.; Dimiev, Ayrat; Ceriotti, Gabriel (2017-12-12)
      Methods of producing graphene nanoplatelets by exposing graphite to a medium to form a dispersion of graphite in the medium. In some embodiments, the exposing results in formation of graphene nanoplatelets from the graphite. ...
    • Nanoporous metal-oxide memory 

      Tour, James M.; Wang, Gunuk; Yang, Yang (2017-11-28)
      A nanoporous (NP) memory may include a non-porous layer and a nanoporous layer sandwiched between the bottom and top electrodes. The memory may be free of diodes, selectors, and/or transistors that may be necessary in other ...
    • Dual channel Wi-Fi for congested WLANs with asymmetric traffic loads 

      Flores Miranda, Adriana B.; Knightly, Edward W. (2017-11-14)
      A method of wireless local area network communication between a client and an access point includes sending, by the client, a client-originated message to the access point over a bidirectional upload channel; receiving, ...
    • Fully integrated CMOS-compatible photodetector with color selectivity and intrinsic gain 

      Zheng, Bob Yi; Wang, Yumin; Halas, Nancy J.; Nordlander, Peter (2017-10-31)
      A metal-semiconductor-metal photodetecting device and method of manufacturing a metal-semiconductor-metal photodetecting device that includes a p-type silicon substrate with an oxide layer disposed on the p-type silicon ...
    • Capo with attachment mechanism and fretting action in separate offset planes 

      Blacker, Daniel Curtis; Carroll, Matthew; Jaggers, John Vinson (2017-10-10)
      Embodiments of a capo and fretting component are described. In certain embodiments, the fretting component is threaded onto a crossbar configured to overlie the instrument strings when in use and to pivot with respect to ...
    • Derivatives of uncialamycin, methods of synthesis and their use as antitumor agents 

      Nicolaou, Kyriacos C.; Lu, Min; Mandal, Debashis; Gangwar, Sanjeev; Chowdari, Naidu S; Poudel, Yam B. (2017-10-03)
      In one aspect, the present disclosure provides new analogs of uncialamycin of formulae (I) and (II). The present disclosure also provides novel synthetic pathways to obtaining uncialamycin and analogs thereof. Additionally, ...
    • Porous carbon materials for CO2 separation in natural gas 

      Tour, James M.; Schipper, Desmond E.; Hwang, Chih-chau; Tour, Josiah; Jalilov, Almaz S.; Ruan, Gedeng; Li, Yilun (2017-10-03)
      In some embodiments, the present disclosure pertains to materials for use in CO2 capture in high pressure environments. In some embodiments, the materials include a porous carbon material containing a plurality of pores ...
    • System and method for randomized antenna allocation in asynchronous MIMO multi-hop networks 

      Khattab, Ahmed; Sabharwal, Ashutosh; Knightly, Edward W. (2017-09-19)
      A system and method for simultaneous and asynchronous transmissions in multi-antenna multi-hop networks. The system and method employ randomized and non-greedy resource allocation to counter starvation. The system and ...
    • Electricity generation using electromagnetic radiation 

      Halas, Nancy J.; Nordlander, Peter; Neumann, Oara (2017-08-22)
      In general, in one aspect, the invention relates to a system to create vapor for generating electric power. The system includes a vessel comprising a fluid and a complex and a turbine. The vessel of the system is configured ...
    • Composites for carbon dioxide capture 

      Tour, James M.; Hwang, Chih-chau (2017-08-01)
      Composite materials and methods of preparing C02 capture include: (1) a porous solid support comprising a plurality of porous channels; and (2) a nucleophilic source associated with the porous channels of the porous solid ...