Now showing items 10120-10139 of 18276

    • Modeling Mitral Valve Leaflets from Three-Dimensional Ultrasound 

      Howe, Robert D.; Schneider, Robert J.; Burke, William Conroy; Marx, Gerald Ross; Del Nido, Pedro J. (Springer Science + Business Media, 2011)
      The geometry of the mitral leaflets, most commonly viewed using three-dimensional ultrasound, is an important input for mechanical models predicting valve closure. Current methods for leaflet modeling from ultrasound either ...
    • Modeling muscle function using experimentally determined subject-specific muscle properties 

      Wakeling, James M.; Tijs, Chris; Konow, Nicolai; Biewener, Andrew (Elsevier BV, 2021-03)
      Muscle models are commonly based on intrinsic properties pooled across a number of individuals, often from a different species, and rarely validated against directly measured muscle forces. Here we use a rich data set of ...
    • Modeling nanoscale V-shaped antennas for the design of optical phased arrays 

      Blanchard, Romain; Aoust, Guillaume; Genevet, Patrice; Yu, Nanfang; Kats, Mikhail A.; Gaburro, Zeno; Capasso, Federico (American Physical Society, 2012)
      We present a simplified numerical method to solve for the current distribution in a V-shaped antenna excited by an electric field with arbitrary polarization. The scattered far-field amplitude, phase, and polarization of ...
    • Modeling of cardiac muscle thin films: Pre-stretch, passive and active behavior 

      Shim, Jongmin; Grosberg, Anna; Nawroth, Janna; Parker, Kevin Kit; Bertoldi, Katia (Elsevier, 2012)
      Recent progress in tissue engineering has made it possible to build contractile bio-hybrid materials that undergo conformational changes by growing a layer of cardiac muscle on elastic polymeric membranes. Further development ...
    • Modeling of Covalent Bonding in Solids by Inversion of Cohesive Energy Curves 

      Bazant, Martin Z.; Kaxiras, Efthimios (American Physical Society, 1996)
      We provide a systematic test of empirical theories of covalent bonding in solids using an exact procedure to invert ab initio cohesive energy curves. By considering multiple structures of the same material, it is possible ...
    • Modeling of the Bacillus subtilis Bacterial Biofilm Growing on an Agar Substrate 

      Wang, Xiaoling; Wang, Guoqing; Hao, Mudong (Hindawi Publishing Corporation, 2015)
      Bacterial biofilms are organized communities composed of millions of microorganisms that accumulate on almost any kinds of surfaces. In this paper, a biofilm growth model on an agar substrate is developed based on mass ...
    • Modeling of the carbon-rich c (4× 4) reconstruction on Si (100) 

      Remediakis, I.; Guedj, C.; Kelires, P.; GRÜTZMACHER, D.; Kaxiras, E. (Elsevier, 2004)
    • Modeling pain in vitro using nociceptor neurons reprogrammed from fibroblasts 

      Wainger, Brian J.; Buttermore, Elizabeth D.; Oliveira, Julia T.; Mellin, Cassidy; Lee, Seungkyu; Saber, Wardiya Afshar; Wang, Amy; Ichida, Justin K.; Chiu, Isaac M.; Barrett, Lee; Huebner, Eric A.; Bilgin, Canan; Tsujimoto, Naomi; Brenneis, Christian; Kapur, Kush; Rubin, Lee L.; Eggan, Kevin; Woolf, Clifford J. (2015)
      Reprogramming somatic cells from one cell fate to another can generate specific neurons suitable for disease modeling. To maximize the utility of patient-derived neurons, they must model not only disease-relevant cell ...
    • Modeling polymorphic transformation of rotating bacterial flagella in a viscous fluid 

      Ko, William; Lim, Sookkyung; Lee, Wanho; Kim, Yongsam; Berg, Howard; Peskin, Charles (American Physical Society, 2017)
      The helical flagella that are attached to the cell body of bacteria such as Escherichia coli and Salmonella typhimurium allow the cell to swim in a fluid environment. These flagella are capable of polymorphic transformation ...
    • Modeling Range Dynamics In Heterogeneous Landscapes: Invasion Of The Hemlock Woolly Adelgid In Eastern North America 

      Fitzpatrick, Matthew C.; Preisser, Evan L.; Porter, Adam; Elkinton, Joseph; Ellison, Aaron M. (Ecological Society of America, 2012)
      Range expansion by native and exotic species will continue to be a major component of global change. Anticipating the potential effects of changes in species distributions requires models capable of forecasting population ...
    • Modeling Recent Human Evolution in Mice by Expression of a Selected EDAR Variant 

      Kamberov, Yana George; Wang, Sijia; Tan, Jingze; Gerbault, Pascale; Wark, Abigail; Tan, Longzhi; Yang, Yajun; Li, Shilin; Tang, Kun; Chen, Hua; Powell, Adam; Itan, Yuval; Fuller, Dorian; Lohmueller, Jason; Mao, Junhao; Schachar, Asa; Paymer, Madeline; Hostetter, Elizabeth; Byrne, Elizabeth; Burnett, Melissa; McMahon, Andrew P.; Thomas, Mark G.; Lieberman, Daniel E.; Jin, Li; Tabin, Clifford James; Morgan, Bruce Allan; Sabeti, Pardis Christine (Elsevier BV, 2013)
      An adaptive variant of the human Ectodysplasin receptor, EDARV370A, is one of the strongest candidates of recent positive selection from genome-wide scans. We have modeled EDAR370A in mice and characterized its phenotype ...
    • Modeling RHEED Intensity Oscillations in Multilayer Epitaxy: Determination of the Ehrlich-Schwoebel Barrier in Ge(001) Homoepitaxy 

      Shin, Byungha; Aziz, Michael (American Physical Society, 2007)
      We report the study of submonolayer growth of Ge(001) homoepitaxy by molecular beam epitaxy at low temperatures, 100–150 °C, using reflection high energy electron diffraction (RHEED) intensity oscillations obtained for a ...
    • Modeling Slope Instability as Shear Rupture Propagation in a Saturated Porous Medium 

      Viesca, Robert Christian; Rice, James R. (Springer Verlag, 2009)
      When a region of intense shear in a slope is much thinner than other relevant geometric lengths, this shear failure may be approximated as localized slip, as in faulting, with strength determined by frictional properties ...
    • Modeling Spatial Correlation of DNA Deformation: DNA Allostery in Protein Binding 

      Xu, Xinliang; Ge, Hao; Gu, Chan; Gao, Yi Qin; Wang, Siyuan S.; Thio, Beng Joo Reginald; Hynes, James T.; Xie, Xiaoliang Sunney; Cao, Jianshu (American Chemical Society, 2013)
      We report a study of DNA deformations using a coarse-grained mechanical model and quantitatively interpret the allosteric effects in protein–DNA binding affinity. A recent single-molecule study (Kim et al. Science 2013, ...
    • Modeling spatiotemporal pattern of agriculture-feasible land in China 

      Guan, Wendy; Wu, Kang; Carnes, Fei (Wiley-Blackwell, 2016)
      This study applies a spatial fuzzy multi-criteria evaluation model to determine agricultural feasibility in China based on physical variables (accumulated temperature, sunshine, precipitation, hydrology, elevation and soil ...
    • Modeling the chemotactic response of Escherichia coli to time-varying stimuli 

      Tu, Yuhai; Shimizu, Thomas S.; Berg, Howard C. (National Academy of Sciences, 2008)
      In their natural environment, cells need to extract useful information from complex temporal signals that vary over a wide range of intensities and time scales. Here, we study how such signals are processed by Escherichia ...
    • Modeling the Dust Properties of z ~ 6 Quasars with ART2—All-Wavelength Radiative Transfer with Adaptive Refinement Tree 

      Li, Yuexing; Hopkins, Philip F.; Hernquist, Lars Eric; Finkbeiner, Douglas; Cox, Thomas J.; Springel, Volker; Jiang, Linhua; Fan, Xiaohui; Yoshida, Naoki (IOP Publishing, 2008)
      The detection of large quantities of dust in z ~ 6 quasars by infrared and radio surveys presents puzzles for the formation and evolution of dust in these early systems. Previously, Li et al. showed that luminous quasars ...
    • Modeling the Effects of Memory Hierarchy Performance on Throughput of Multithreaded Processors 

      Fedorova, Alexandra; Seltzer, Margo I.; Smith, Michael D. (2005)
      Understanding the relationship between the performance of the on-chip processor caches and the overall performance of the processor is critical for both hardware design and software program optimization. While this ...
    • Modeling the Hydrodynamics of Phloem Sieve Plates 

      Jensen, Kaare Hartvig; Mullendore, Daniel Leroy; Holbrook, Noel Michele; Bohr, Tomas; Knoblauch, Michael; Bruus, Henrik (Frontiers Research Foundation, 2012)
      Sieve plates have an enormous impact on the efficiency of the phloem vascular system of plants, responsible for the distribution of photosynthetic products. These thin plates, which separate neighboring phloem cells, are ...
    • Modeling the Interaction Between Cumulus Convection and Linear Gravity Waves Using a Limited-Domain Cloud System-Resolving Model 

      Kuang, Zhiming (American Meterological Society, 2008)
      A limited-domain cloud system-resolving model (CSRM) is used to simulate the interaction between cumulus convection and two-dimensional linear gravity waves, a single horizontal wavenumber at a time. With a single horizontal ...