Now showing items 1098-1117 of 2176

    • Matrilysin/matrix metalloproteinase-7(MMP7) cleavage of perlecan/HSPG2 creates a molecular switch to alter prostate cancer cell behavior 

      Grindel, B.J.; Martinez, J.R.; Pennington, C.L.; Muldoon, M.; Stave, J.; Chung, L.W.; Farach-Carson, M.C. (2014)
      Perlecan/HSPG2, a large heparan sulfate (HS) proteoglycan, normally is expressed in the basement membrane (BM) underlying epithelial and endothelial cells. During prostate cancer (PCa) cell invasion, a variety of proteolytic ...
    • Matrix Based Computation of Floating-Point Roundoff Noise 

      Van Veen, Barry D.; Baraniuk, Richard G. (1989-12-01)
      A matrix based procedure is presented for computing the output roundoff noise power for filters implemented with floating-point arithmetic. The filter's computational structure is represented in terms of a product of ...
    • A Matrix-Free Trust-Region SQP Method for Equality Constrained Optimization 

      Heinkenschloss, Matthias; Ridzal, Denis (2014)
      We develop and analyze a trust-region sequential quadratic programming (SQP) method for the solution of smooth equality constrained optimization problems, which allows the inexact and hence iterative solution of linear ...
    • Maximal Clique Scheduling: A Simple Algorithm to Bound Maximal Independent Graph Scheduling 

      Sutuntivorakoon, Kanes (2012-09-05)
      In this paper, we consider interference networks where the connectivity is known globally while the channel gains are known up to a particular distance from each node. In this setting, we provide a new achievability, called ...
    • Maximum Likelihood Multipath Channel Parameter Estimation in CDMA Systems 

      Sengupta, Chaitali; Hottinen, Ari; Cavallaro, Joseph R.; Aazhang, Behnaam (1998-03-01)
      The problem addressed in this paper is the estimation of the channel parameters in a Code Division Multiple Access(CDMA) communication system, in the presence of multipath effects. Maximum likelihood estimation of these ...
    • Maximum Likelihood Multipath Channel Parameter Estimation in CDMA Systems Using Antenna Arrays 

      Sengupta, Chaitali; Cavallaro, Joseph R.; Aazhang, Behnaam (1998-09-20)
      The problem addressed in this paper is the estimation of the chan-nel parameters in a Code Division Multiple Access (CDMA) communication system, in the presence of multipath effects and multiple sensors at the base station ...
    • Maximum Weight Basis Decoding of Convolutional Codes 

      Das, Suman; Erkip, Elza; Cavallaro, Joseph R.; Aazhang, Behnaam (2000-06-20)
      The effectiveness of the convolutional code increases with the constraint length of the code. Unfortunately the decoding complexity of Viterbi algorithm grows exponentially with the constraint length. In this paper we ...
    • Maximum Weight Basis Decoding of Convolutional Codes 

      Das, Suman; Erkip, Elza; Cavallaro, Joseph R.; Aazhang, Behnaam (2002-11-01)
      In this paper we describe a new suboptimal decoding technique for linear codes based on the calculation of maximum weight basis of the code. The idea is based on estimating the maximum number locations in a codeword which ...
    • A Maxwell’s fish eye lens for the terahertz region 

      Liu, Jingbo; Mendis, Rajind; Mittleman, Daniel M. (2013-07-15)
      We implement a two-dimensional Maxwell’s fish eye lens using a waveguide-based artificial dielectric. The Maxwell’s fish eye lens consists of two metallic cylindrical plates sandwiching a free-space region, with the inner ...
    • Measurement driven deployment of a two-tier urban mesh access network 

      Camp, Joseph D. (2006)
      Multihop wireless mesh networks can provide Internet access over a wide area with minimal infrastructure expenditure. In this work, we investigate key issues involved in deploying such networks including individual link ...
    • Measurement Driven Deployment of a Two-Tier Urban Mesh Access Network 

      Camp, Joseph; Robinson, Joshua; Steger, Christopher; Knightly, Edward (2006-06-01)
      Multihop wireless mesh networks can provide Internet access over a wide area with minimal infrastructure expenditure. In this work, we present a measurement driven deployment strategy and a data-driven model to study the ...
    • Measurement of Filling-Factor-Dependent Magnetophonon Resonances in Graphene Using Raman Spectroscopy 

      Kim, Y.; Poumirol, J. M.; Lombardo, A.; Kalugin, N. G.; Georgiou, T.; Kim, Y. J.; Novoselov, K. S.; Ferrari, A. C.; Kono, J.; Kashuba, O.; Fal’ko, V. I.; Smirnov, D. (2013-05-29)
      We perform polarization-resolved Raman spectroscopy on graphene in magnetic fields up to 45 T. This reveals a filling-factor-dependent, multicomponent anticrossing structure of the Raman G peak, resulting from magnetophonon ...
    • Measurement of mechanical tractions exerted by cells within three-dimensional matrices 

      Legant, Wesley R.; Miller, Jordan S.; Blakely, Brandon L.; Cohen, Daniel M.; Genin, Guy M.; Chen, Christopher S. (2010)
      Quantitative measurements of cell-generated forces have heretofore required that cells be cultured on two-dimensional substrates. We describe a technique to quantitatively measure three-dimensional traction forces exerted ...
    • Measurement-based admission control in integrated-services networks 

      Qiu, Jingyu (1998)
      To satisfy the quality of service requirements of real-time multimedia applications, networks must employ resource reservation and admission control. In this paper, we describe a new Measurement-Based Admission Control ...
    • Measurements vs. Bits: Compressed Sensing meets Information Theory 

      Sarvotham, Shriram; Baron, Dror; Baraniuk, Richard G. (2006-09-01)
      Compressed sensing is a new framework for acquiring sparse signals based on the revelation that a small number of linear projections (measurements) of the signal contain enough information for its reconstruction. The ...
    • Measuring Time-Frequency Information and Complexity using the Renyi Entropies 

      Baraniuk, Richard G.; Flandrin, Patrick; Michel, Olivier (1995-09-01)
      In search of a nonparametric indicator of deterministic signal complexity, we link the Renyi entropies to time-frequency representations. The resulting measures show promise in several situations where concepts like the ...
    • Measuring Time-Frequency Information Content using the Renyi Entropies 

      Baraniuk, Richard G.; Flandrin, Patrick; Janssen, A. J. E. M.; Michel, Olivier (2001-05-01)
      The generalized entropies of Renyi inspire new measures for estimating signal information and complexity in the time-frequency plane. When applied to a time-frequency representation (TFR) from Cohen's class or the affine ...
    • Mechanical Activation of a Multimeric Adhesive Protein Through Domain Conformational Change 

      Wijeratne, Sithara S.; Botello, Eric; Yeh, Hui-Chun; Zhou, Zhou; Bergeron, Angela L.; Frey, Eric W.; Patel, Jay M.; Nolasco, Leticia; Turner, Nancy A.; Moake, Joel L.; Dong, Jing-fei; Kiang, Ching-Hwa (2013)
      The mechanical force-induced activation of the adhesive protein von Willebrand factor (VWF), which experiences high hydrodynamic forces, is essential in initiating platelet adhesion. The importance of the mechanical ...
    • Mechanism for Collective Cell Alignment inᅠ Myxococcus xanthus Bacteria 

      Balagam, Rajesh; Igoshin, Oleg A. (2015)
      Myxococcus xanthusᅠcells self-organize into aligned groups, clusters, at various stages of their lifecycle. Formation of these clusters is crucial for the complex dynamic multi-cellular behavior of these bacteria. However, ...
    • Mechanism of Graphene Oxide Formation 

      Dimiev, Ayrat M.; Tour, James M. (2014)
      Despite intensive research, the mechanism of graphene oxide (GO) formation remains unclear. The role of interfacial interactions between solid graphite and the liquid reaction medium, and transport of the oxidizing agent ...