Now showing items 2226-2245 of 2498

    • T Cell Repertoire Diversity Is Decreased in Type 1 Diabetes Patients 

      Tong, Yin; Li, Zhoufang; Zhang, Hua; Xia, Ligang; Zhang, Meng; Xu, Ying; Wang, Zhanhui; Deem, Michael W.; Sun, Xiaojuan; He, Jiankui (2016)
      Type 1 diabetes mellitus (T1D) is an immune-mediated disease. The autoreactive T cells in T1D patients attack and destroy their own pancreatic cells. In order to systematically investigate the potential autoreactive T cell ...
    • Tagged Architecture and the Semantics Programming Languages: Extensible Types 

      Feustel, Edward A. (1975-11-20)
      This research note suggests that before we design hardware or software for the task of problem solving, we re-evaluate the task of problem solving in terms of the linguistic constituents which will be required and the ...
    • Tagged Architectures and Protection: Message Systems 

      Feustel, Edward A. (1975-10-20)
      Recent work in extensible programming languages and operating systems by Redell, Lampson, Hewitt, and others coupled with developments in distributed computer systems motivates a study in models of the implementation of ...
    • TAP Channel Measurement: Fundamentals, Goals, and Plans 

      Steger, Christopher (2004-05-01)
      Before we can realize the potential of the TAP (Transit Access Point) project, we must first understand the channel in which we will operate. Specifically, very little information exists on the characteristics of elevated ...
    • Targeting the Src Homology 2 (SH2) Domain of Signal Transducer and Activator of Transcription 6 (STAT6) with Cell-Permeable, Phosphatase-Stable Phosphopeptide Mimics Potently Inhibits Tyr641 Phosphorylation and Transcriptional Activity 

      Mandal, Pijus K.; Morlacchi, Pietro; Knight, J. Morgan; Link, Todd M.; Lee, Gilbert R. IV; Nurieva, Roza; Singh, Divyendu; Dhanik, Ankur; Kavraki, Lydia; Corry, David B.; Ladbury, John E.; McMurray, John S. (2015)
      Signal transducer and activator of transcription 6 (STAT6) transmits signals from cytokines IL-4 and IL-13 and is activated in allergic airway disease. We are developing phosphopeptide mimetics targeting the SH2 domain of ...
    • Task Partitioning Wireless Base-station Receiver Algorithms on Multiple DSPs and FPGAs 

      Rajagopal, Sridhar; Jones, Bryan Allen; Cavallaro, Joseph R. (2000-10-20)
      This paper presents a multiprocessor solution to meet real-time requirements of implementing advanced algorithms for multiuser channel estimation and detection for third and fourth generation wireless base-station receivers. ...
    • TCP-Africa: An Adaptive and Fair Rapid Increase Rule for Scalable TCP 

      King, Ryan; Baraniuk, Richard G.; Riedi, Rudolf H. (2005-03-01)
      High capacity data transfers over the Internet routinely fail to meet end-to-end performance expectations. The default transport control protocol for best effort data traffic is currently TCP, which does not scale well to ...
    • TCP/IP traffic dynamics and network performance: A lesson in workload modeling, flow control and trace-driven simulations 

      Joo, Youngmi; Ribeiro, Vinay Joseph; Feldmann, Anja; Gilbert, Anna; Willinger, Walter (2001-04-20)
      The main objective of this paper is to demonstrate in the context of a simple TCP/IP-based network that depending on the underlying assumptions about the inherent nature of the dynamics of network traffic, very different ...
    • Techniques for design and implementation of physically unclonable functions 

      Majzoobi, Mehrdad (2009)
      Physically unclonable functions (PUFs) provide a basis for many security, and digital rights management protocols. PUFs exploit the unclonable and unique manufacturing variability of silicon devices to establish a secret. ...
    • Temperature-dependent optical properties of titanium nitride 

      Briggs, Justin A.; Naik, Gururaj V.; Zhao, Yang; Petach, Trevor A.; Sahasrabuddhe, Kunal; Goldhaber-Gordon, David; Melosh, Nicholas A.; Dionne, Jennifer A. (2017)
      The refractory metal titanium nitride is promising for high-temperature nanophotonic and plasmonic applications, but its optical properties have not been studied at temperatures exceeding 400 °C. Here, we perform in-situ ...
    • TEMPLAR: A Wavelet-Based Framework for Pattern Learning and Analysis 

      Scott, Clayton; Nowak, Robert David (2001-04-20)
      Despite the success of wavelet decompositions in other areas of statistical signal and image processing, current wavelet-based image models are inadequate for modeling patterns in images, due to the presence of unknown ...
    • Template Learning from Atomic Representations: A Wavelet-Based Approach to Pattern Analysis 

      Scott, Clayton; Nowak, Robert David (2001-04-20)
      Despite the success of wavelet decompositions in other areas of statistical signal and image processing, current wavelet-based image models are inadequate for modeling patterns in images, due to the presence of unknown ...
    • 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, ...
    • 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 ...