Now showing items 3478-3497 of 3897

    • Template–Framework Interactions in Tetraethylammonium-Directed Zeolite Synthesis 

      Schmidt, Joel E.; Fu, Donglong; Deem, Michael W.; Weckhuysen, Bert M. (2016)
      Zeolites, having widespread applications in chemical industries, are often synthesized using organic templates. These can be cost-prohibitive, motivating investigations into their role in promoting crystallization. Herein, ...
    • Temporal and spectral characteristics of dynamic functional connectivity between resting-state networks reveal information beyond static connectivity 

      Chiang, Sharon; Vankov, Emilian R.; Yeh, Hsiang J.; Guindani, Michele; Vannucci, Marina; Haneef, Zulfi; Stern, John M. (2018)
      Estimation of functional connectivity (FC) has become an increasingly powerful tool for investigating healthy and abnormal brain function. Static connectivity, in particular, has played a large part in guiding conclusions ...
    • Tensor Product Basis Approximations for Volterra Filters 

      Nowak, Robert David; Van Veen, Barry D. (1996-02-01)
      This paper studies approximations for a class of nonlinear filters known as Volterra filters. Although the Volterra filter provides a relatively simple and general representation for nonlinear filtering, often it is highly ...
    • Terahertz and Infrared Spectroscopy of Gated Large-Area Graphene 

      Ren, Lei; Zhang, Qi; Yao, Jun; Sun, Zhengzong; Kaneko, Ryosuke; Yan, Zheng; Nanot, Sébastien L.; Jin, Zhong; Kawayama, Iwao; Tonouchi, Masayoshi; Tour, James M.; Kono, Junichiro (2012)
      We have fabricated a centimeter-size single-layer graphene device with a gate electrode, which can modulate the transmission of terahertz and infrared waves. Using time-domain terahertz spectroscopy and Fourier-transform ...
    • Terahertz Artificial Dielectric Lens 

      Mendis, Rajind; Nagai, Masaya; Wang, Yiqiu; Karl, Nicholas; Mittleman, Daniel M. (2016)
      We have designed, fabricated, and experimentally characterized a lens for the THz regime based on artificial dielectrics. These are man-made media that mimic properties of naturally occurring dielectric media, or even ...
    • Terahertz Dynamics of Quantum-Confined Electrons in Carbon Nanomaterials 

      Ren, Lei; Zhang, Qi; Nanot, Sébastien; Kawayama, Iwao; Tonouchi, Masayoshi; Kono, Junichiro (2012)
      Low-dimensional carbon nanostructures, such as single-wall carbon nanotubes (SWCNTs) and graphene, offer new opportunities for terahertz science and technology. Being zero-gap systems with a linear, photon-like energy ...
    • Terahertz imaging with compressive sensing 

      Chan, Wai Lam (2010)
      Most existing terahertz imaging systems are generally limited by slow image acquisition due to mechanical raster scanning. Other systems using focal plane detector arrays can acquire images in real time, but are either too ...
    • Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor 

      Astley, Victoria; Reichel, Kimberly; Mendis, Rajind; Mittleman, Daniel M. (2012)
      Refractive index (RI) sensing is a powerful noninvasive and label-free sensing technique for the identification, detection and monitoring of microfluidic samples with a wide range of possible sensor designs such as ...
    • Terahertz Multistatic Reflection Imaging 

      Dorney, Timothy D.; Symes, William; Baraniuk, Richard G.; Mittleman, Daniel M. (2002-07-01)
      We describe a new imaging method using single-cycle pulses of terahertz (THz) radiation. This technique emulates the data collection and image processing procedures developed for geophysical prospecting and is made possible ...
    • Terahertz photonic crystals 

      Jian, Zhongping (2006)
      This thesis describes the study of two-dimensional photonic crystals slabs with terahertz time domain spectroscopy. In our study we first demonstrate the realization of planar photonic components to manipulate terahertz ...
    • Terahertz Reflection Imaging using Kirchhoff Migration 

      Dorney, Timothy D.; Johnson, Jon L.; Rudd, J. Van; Baraniuk, Richard G.; Symes, William; Mittleman, Daniel M. (2001-10-01)
      We describe a new imaging method that uses single-cycle pulses of terahertz (THz) radiation. This technique emulates data-collection and image-processing procedures developed for geophysical prospecting and is made possible ...
    • Termination in Language-Based Systems 

      Clements, John; Rudys, Algis; Wallach, Dan S. (2000-08-08)
      Language runtime systems are increasingly being embedded in systems to support runtime extensibility via mobile code. Such systems raise a number of concerns when the code running in such systems is potentially buggy or ...
    • Ternary CuIn7Se11: Towards Ultra-Thin Layered Photodetectors and Photovoltaic Devices 

      Lei, Sidong; Sobhani, Ali; Wen, Fangfang; George, Antony; Wang, Qizhong; Huang, Yihan; Dong, Pei; Li, Bo; Najmaei, Sina; Bellah, James; Gupta, Gautam; Mohite, Aditya D.; Ge, Liehui; Lou, Jun; Halas, Naomi J.; Vajtai, Robert; Ajayan, Pulickel (2014)
      2D materials have been widely studied over the past decade for their potential applications in electronics and optoelectronics. In these materials, elemental composition plays a critical role in defining their physical ...
    • Teslaphoresis of Carbon Nanotubes 

      Bornhoeft, Lindsey R.; Castillo, Aida C.; Smalley, Preston R.; Kittrell, Carter; James, Dustin K.; Brinson, Bruce E.; Rybolt, Thomas R.; Johnson, Bruce R.; Cherukuri, Tonya K.; Cherukuri, Paul (2016)
      This paper introduces Teslaphoresis, the directed motion and self-assembly of matter by a Tesla coil, and studies this electrokinetic phenomenon using single-walled carbon nanotubes (CNTs). Conventional directed self-assembly ...
    • Testing on the Curve: Nonlinear Analytical Redundancy for Fault Detection 

      Leuschen, Martin L.; Cavallaro, Joseph R.; Walker, Ian D. (2001-03-01)
      One of the most important areas in the robotics industry is the development of robots capable of working in hazardous environments. Providing a high level of functionality in these arenas is important simply because humans ...
    • TFEB regulates lysosomal proteostasis 

      Song, Wensi; Wang, Fan; Savini, Marzia; Ake, Ashley; di Ronza, Alberto; Sardiello, Marco; Segatori, Laura (2013)
      Loss-of-function diseases are often caused by destabilizing mutations that lead to protein misfolding and degradation. Modulating the innate protein homeostasis (proteostasis) capacity may lead to rescue of native folding ...
    • TGF-β3-induced chondrogenesis in co-cultures of chondrocytes and mesenchymal stem cells on biodegradable scaffolds 

      Dahlin, Rebecca L.; Ni, Mengwei; Meretoja, Ville V.; Kasper, F. Kurtis; Mikos, Antonios G. (2014)
      In this work, it was hypothesized that co-cultures of articular chondrocytes (ACs) and mesenchymal stem cells (MSCs) would exhibit enhanced sensitivity to chondrogenic stimuli, such as TGF-β3, and would require a reduced ...
    • The Acoustic Radiation Solution 

      Symes, William W.; Vdovina, Tetyana (2008-10)
      The well-known radiation solution of the acoustic wave equation may also be viewed as the pressure field in the solution of the first-order system of linear acoustics, in two different ways. The first version casts in the ...
    • The Arnoldi Eigenvalue Iteration with Exact Shifts Can Fail 

      Embree, Mark (2006-09)
      The restarted Arnoldi algorithm, implemented in the ARPACK software library and MATLAB's eigs command, is among the most common means of computing select eigenvalues and eigenvectors of a large, sparse matrix. To assist ...
    • The autophagic response to polystyrene nanoparticles is mediated by transcription factor EB and depends on surface charge 

      Song, Wensi; Popp, Lauren; Yang, Justin; Kumar, Ayushi; Gangoli, Varun S; Segatori, Laura (2015)
      Background: A number of engineered nanoparticles induce autophagy, the main catabolic pathway that regulates bulk degradation of cytoplasmic material by the lysosomes. Depending on the specific physico-chemical properties ...