Now showing items 35-52 of 52

    • Paintable Battery 

      Singh, Neelam; Galande, Charudatta; Miranda, Andrea; Mathkar, Akshay; Gao, Wei; Reddy, Arava Leela Mohana; Vlad, Alexandru; Ajayan, Pulickel M. (2012)
      If the components of a battery, including electrodes, separator, electrolyte and the current collectors can be designed as paints and applied sequentially to build a complete battery, on any arbitrary surface, it would ...
    • Practical high-fidelity frequency-domain force and location identification 

      Ghaderi, Pooya; Dick, Andrew J.; Foley, Jason R.; Falbo, Gregory (2015)
      Identifying the force information and location of an impact event is important for predicting and/or monitoring potential damage to the structures. Directly measuring the impact event and/or locating the impact force is ...
    • A Pre-Clinical Framework for Neural Control of a Therapeutic Upper-Limb Exoskeleton 

      Blank, Amy; O'Malley, Marcia K.; Francisco, Gerard E.; Contreras-Vidal, Jose L. (2013)
      In this paper, we summarize a novel approach to robotic rehabilitation that capitalizes on the benefits of patient intent and real-time assessment of impairment. Specifically, an upper-limb, physical human-robot interface ...
    • Programmable bio-nano-chip system: a flexible point-of-care platform for bioscience and clinical measurements 

      McRae, Michael P.; Simmons, Glennon W.; Wong, Jorge; Shadfan, Basil; Gopalkrishnan, Sanjiv; Christodoulides, Nicolaos; McDevitt, John T. (2015)
      The development of integrated instrumentation for universal bioassay systems serves as a key goal for the lab-on-a-chip community. The programmable bio-nano-chip (p-BNC) system is a versatile multiplexed and multiclass ...
    • Rapid fabrication of 3D terahertz split ring resonator arrays by novel single-shot direct write focused proximity field nanopatterning 

      Singer, Jonathan P.; Lee, Jae-Hwang; Kooi, Steven E.; Thomas, Edwin L. (2012)
      For the next generation of phoXonic, plasmonic, optomechanical and microfluidic devices, the capability to create 3D microstructures is highly desirable. Fabrication of such structures by conventional top-down techniques ...
    • Recent Advances in Optical Limiting Properties of Fluorinated Graphene Oxides 

      Chantharasupawong, Panit; Philip, Reji; Narayanan, Narayanan T.; Sudeep, Parambath M.; Mathkar, Akshay; Ajayan, Pulickel M.; Thomas, Jayan (2013)
      There is a substantial interest in finding materials with high nonlinear optical (NLO) properties of materials because of its attractive applications in optical limiting for safety protections. In an effort to develop ...
    • Remotely triggered cisplatin release from carbon nanocapsules by radiofrequency fields 

      Raoof, Mustafa; Cisneros, Brandon T.; Guven, Adem; Corr, Stuart J.; Wilson, Lon J.; Curley, Steven A. (2013)
      The efficacy of nanoparticle-mediated drug delivery is limited by its peri-vascular sequestration, thus necessitating a strategy to trigger drug release from such intra-tumoral nanocarrier-drug depots. In our efforts to ...
    • RiceWrist Robotic Device for Upper Limb Training: Feasibility Study and Case Report of Two Tetraplegic Persons with Spinal Cord Injury 

      Kadivar, Z.; Sullivan, J.L.; Eng, D.P.; Pehlivan, A.U.; OメMalley, M.K.; Yozbatiran, N.; Berliner, J.DO.; Boake, C.; Francisco, G.E. (2012)
      Regaining upper extremity function is the primary concern of persons with tetraplegia caused by spinal cord injury (SCI). Robotic rehabilitation has been inadequately tested and underutilized in rehabilitation of the upper ...
    • Roll up nanowire battery from silicon chips 

      Vlad, Alexandru; Reddy, Arava Leela Mohana; Ajayan, Anakha; Singh, Neelam; Gohy, Jean-François; Melinte, Sorin; Ajayan, Pulickel M. (2012)
      Here we report an approach to roll out Li-ion battery components from silicon chips by a continuous and repeatable etch-infiltratepeel cycle. Vertically aligned silicon nanowires etched from recycled silicon wafers are ...
    • Second harmonic microscopy of monolayer MoS2 

      Kumar, Nardeep; Najmaei, Sina; Cui, Qiannan; Ceballos, Frank; Ajayan, Pulickel M.; Lou, Jun; Zhao, Hui (2013)
      We show that the lack of inversion symmetry in monolayer MoS2 allows strong optical second harmonic generation. The second harmonic of an 810-nm pulse is generated in a mechanically exfoliated monolayer, with a nonlinear ...
    • Strain rate dependent mechanical properties in single crystal nickel nanowires 

      Peng, Cheng; Zhong, Yuan; Lu, Yang; Narayanan, Sankar; Zhu, Ting; Lou, Jun (2013)
      We measure the strain rate dependence of 0.2% offset yield stress in single-crystal nickel nanowires with diameters ranging from 80 to 300 nm. In situ tensile experiments with strain rates from 10 4 s 1 to 10 2 s 1 were ...
    • Study of a piecewise linear dynamic system with negative and positive stiffness 

      Zou, Keguan; Nagarajaiah, Satish (2014)
      The present paper mainly focuses on numerical and analytical study of a piecewise linear dynamic oscillator with negative stiffness followed by positive stiffness which has not been studied to date. The dynamic system of ...
    • Super-stretchable, Transparent Carbon Nanotube-Based Capacitive Strain Sensors for Human Motion Detection 

      Cai, Le; Song, Li; Luan, Pingshan; Zhang, Qiang; Zhang, Nan; Gao, Qingqing; Zhao, Duan; Zhang, Xiao; Tu, Min; Yang, Feng; Zhou, Wenbin; Fan, Qingxia; Luo, Jun; Zhou, Weiya; Ajayan, Pulickel M.; Xie, Sishen (2013)
      Realization of advanced bio-interactive electronic devices requires mechanically compliant sensors with the ability to detect extremely large strain. Here, we design a new multifunctional carbon nanotube (CNT) based capacitive ...
    • Supercapacitor Operating At 200 Degrees Celsius 

      Borges, Raquel S.; Reddy, Arava Leela Mohana; Rodrigues, Marco-Tulio F.; Gullapalli, Hemtej; Balakrishnan, Kaushik; Silva, Glaura G.; Ajayan, Pulickel M. (2013)
      The operating temperatures of current electrochemical energy storage devices are limited due to electrolyte degradation and separator instability at higher temperatures. Here we demonstrate that a tailored mixture of ...
    • Systematic Construction of Higher Order Bases for the Finite Element Analysis of Multiscale Elliptic Problems 

      Soghrati, Soheil; Stanciulescu, Ilinca (2013)
      We introduce a new approach to deriving higher order basis functions implemented in the Multiscale Finite Element Method (MsFEM) for elliptic problems. MsFEM relies on capturing small scale features of the system through ...
    • Universal ac conduction in large area atomic layers of CVD-grown MoS2 

      Ghosh, S.; Najmaei, S.; Kar, S.; Vajtai, R.; Lou, J.; Pradhan, N.R.; Balicas, L.; Ajayan, P.M.; Talapatra, S. (2014)
      Here, we report on the ac conductivity [σ’(ω); 10 mHz < ω < 0.1 MHz] measurements performed on atomically thin, two-dimensional layers of MoS2 grown by chemical vapor deposition (CVD). Σ’(ω) is observed to display a ...
    • Use of Active Learning to Design Wind Tunnel Runs for Unsteady Cavity Pressure Measurements 

      Srivastava, Ankur; Meade, Andrew J. (2014)
      Wind tunnel tests to measure unsteady cavity flow pressure measurements can be expensive, lengthy, and tedious. In this work, the feasibility of an active machine learning technique to design wind tunnel runs using proxy ...
    • Using the Plasmon Linewidth To Calculate the Time and Efficiency of Electron Transfer between Gold Nanorods and Graphene 

      Hoggard, Anneli; Wang, Lin-Yung; Ma, Lulu; Fang, Ying; You, Ge; Olson, Jana; Liu, Zheng; Chang, Wei-Shun; Ajayan, Pulickel M.; Link, Stephan (2013)
      We present a quantitative analysis of the electron transfer between single gold nanorods and monolayer graphene under no electrical bias. Using single-particle dark-field scattering and photoluminescence spectroscopy to ...