Now showing items 1-20 of 12373

    • Creating a Community-Driven Digital Archive: The Harvey Memories Project 

      Spiro, Lisa (2018-04-23)
      Between August 17 and 30, 2017, Tropical Storm Harvey -- later Hurricane Harvey -- crisscrossed the Southeast corner of Texas, killing 88 Texans, damaging or destroying more than 119,000 homes in Harris County, and causing ...
    • Porous silicon particulates with micropores and mesopores within macropores 

      Biswal, Sibani Lisa; Wong, Michael S.; Thakur, Madhuri; Sinsabaugh, Steven L. (2018-04-17)
      Embodiments of the present disclosure pertain to porous silicon particulates and anode materials that contain them. In some embodiments, each of the porous silicon particulates include a plurality of macropores, mesopores ...
    • Camera based photoplethysmogram estimation 

      Kumar, Mayank; Veeraraghavan, Ashok; Sabharwal, Ashutosh (2018-04-10)
      A system for estimating a photoplethysmogram waveform of a target includes an image processor configured to obtain images of the target and a waveform analyzer. The waveform analyzer is configured to determine a weight of ...
    • 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 ...
    • Who Me, a Journal Editor? A Ten Year Journey 

      Weimer, Katherine Hart (2018-01-22)
      An essay reflecting on ten years serving as a journal co-editor.
    • 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 ...
    • ‘Unzipping’ of twin lamella in nanotwinned nickel nanowires under flexural bending 

      Wang, Binjun; Zhang, Hongti; Lou, Jun; Lu, Yang (2018)
      We report the fabrication of nickel nanowires with parallel growth-twin structures (‘twin lamella’ along the wire axis) by electrochemical deposition, and demonstrate an interesting twin ‘unzipping’ phenomenon in such ...
    • Isotope effects in aqueous solvation of simple halides 

      Videla, Pablo E.; Rossky, Peter J.; Laria, D. (2018)
      We present a path-integral-molecular-dynamics study of the thermodynamic stabilities of DOH⋯ X− and HOD⋯ X− (X = F, Cl, Br, I) coordination in aqueous solutions at ambient conditions. In agreement with experimental evidence, ...
    • Physical-chemical mechanisms of pattern formation during gastrulation 

      Bozorgui, Behnaz; Kolomeisky, Anatoly B.; Teimouri, Hamid (2018)
      Gastrulation is a fundamental phase during the biological development of most animals when a single layer of identical embryo cells is transformed into a three-layer structure, from which the organs start to develop. Despite ...
    • Low-loss and single-mode tapered hollow-core waveguides optically coupled with interband and quantum cascade lasers 

      Giglio, Marilena; Patimisco, Pietro; Sampaolo, Angelo; Kriesel, Jason M.; Tittel, Frank K.; Spagnolo, Vincenzo (2018)
      We report single-mode midinfrared laser beam delivery through a 50-cm-long tapered hollow-core waveguide (HCW) having bore diameter linearly increasing from 200 to 260  μm. We performed theoretical calculations to identify ...
    • Simultaneous measurements of microwave photoresistance and cyclotron reflection in the multiphoton regime 

      Zhang, Jie; Du, Rui-Rui; Pfeiffer, L.N.; West, K.W. (2018)
      We simultaneously measure photoresistance with electrical transport and coupled plasmon-cyclotron resonance using microwave reflection spectroscopy in high-mobility GaAs/AlGaAs quantum wells under a perpendicular magnetic ...
    • CO and Dust Properties in the TW Hya Disk from High-resolution ALMA Observations 

      Huang, Jane; Andrews, Sean M.; Cleeves, L. Ilsedore; Öberg, Karin I.; Wilner, David J.; Bai, Xuening; Birnstiel, Til; Carpenter, John; Hughes, A. Meredith; Isella, Andrea; Pérez, Laura M.; Ricci, Luca; Zhu, Zhaohuan (2018)
      We analyze high angular resolution ALMA observations of the TW Hya disk to place constraints on the CO and dust properties. We present new, sensitive observations of the 12CO J = 3 − 2 line at a spatial resolution of 8 au ...
    • Chemical analysis of glass beads from Igbo Olokun, Ile-Ife (SW Nigeria): New light on raw materials, production, and interregional interactions 

      Babalola, Abidemi Babatunde; Dussubieux, Laure; McIntosh, Susan Keech; Rehren, Thilo (2018)
      The site of Igbo Olokun on the northern periphery of Ile-Ife has been recognized as a glass-working workshop for over a century. Its glass-encrusted crucibles and beads were viewed as evidence of secondary processing of ...