Now showing items 1556-1575 of 3583

    • Immunomagnetic separation of tumor initiating cells by screening two surface markers 

      Sun, Chen; Hsieh, Yuan-Pang; Ma, Sai; Geng, Shuo; Cao, Zhenning; Li, Liwu; Lu, Chang (Springer Nature, 2017-01-11)
      Isolating tumor initiating cells (TICs) often requires screening of multiple surface markers, sometimes with opposite preferences. This creates a challenge for using bead-based immunomagnetic separation (IMS) that typically ...
    • The Impact of Lookahead on Conservative Simulation 

      Wang, Jain J.; Abrams, Marc (Department of Computer Science, Virginia Polytechnic Institute & State University, 1995-02-01), TR-95-03
      This paper studies the impact on the performance of conservative simulation for both open and closed models. For open models, we derive an upper bound on the performance improvement due to the lookahead. We show that the ...
    • Impact of Network Sharing in Multi-core Architectures 

      Narayanaswamy, Ganesh; Balaji, Pavan; Feng, Wu-chun (Department of Computer Science, Virginia Polytechnic Institute & State University, 2008-03-01), TR-08-06
      As commodity components continue to dominate the realm of high-end computing, two hardware trends have emerged as major contributors to this - high-speed networking technologies and multi-core architectures. Communication ...
    • The impact of sphingosine kinase inhibitor-loaded nanoparticles on bioelectrical and biomechanical properties of cancer cells 

      Babahosseini, Hesam; Srinivasaraghavan, Vaishnavi; Zhao, Zongmin; Gillam, Frank; Childress, Elizabeth; Strobl, Jeannine S.; Santos, Webster L.; Zhang, Chenming; Agah, Masoud (The Royal Society of Chemistry, 2015-11-19)
      Cancer progression and physiological changes within the cells are accompanied by alterations in the biophysical properties. Therefore, the cell biophysical properties can serve as promising markers for cancer detection and ...
    • Impact of surface topography on biofilm formation by Candida albicans 

      Lagree, Katherine; Mon, Htwe H.; Mitchell, Aaron P.; Ducker, William A. (PLOS, 2018-06-18)
      Candida albicans is a fungal pathogen that causes serious biofilm-based infections. Here we have asked whether surface topography may affect C. albicans biofilm formation. We tested biofilm growth of the prototypical ...
    • Impact of the controlled release of a connexin 43 peptide on corneal wound closure in an STZ model of type I diabetes. 

      Moore, Keith; Ghatnekar, Gautam S.; Gourdie, Robert G.; Potts, Jay D. (2014)
      The alpha-carboxy terminus 1 (αCT1) peptide is a synthetically produced mimetic modified from the DDLEI C-terminus sequence of connexin 43 (Cx43). Previous research using various wound healing models have found promising ...
    • Impact of the Mode of Extraction on the Lipidomic Profile of Oils Obtained from Selected Amazonian Fruits 

      Cardona Jaramillo, Juliana Erika Cristina; Carrillo Bautista, Marcela Piedad; Alvarez Solano, Oscar Alberto; Achenie, Luke E. K.; González Barrios, Andrés Fernando (MDPI, 2019-08-01)
      Oils and fats are important raw materials in food products, animal feed, cosmetics, and pharmaceuticals among others. The market today is dominated by oils derive, d from African palm, soybean, oilseed and animal fats. ...
    • Impact of Water Chemistry, Pipe Material and Stagnation on the Building Plumbing Microbiome 

      Ji, P.; Parks, J.; Edwards, Marc A.; Pruden, Amy (PLOS, 2015-10-23)
    • Imparting motion to a test object such as a motor vehicle in a controlled fashion with improved accuracy 

      Virginia Tech Intellectual Properties, Inc.; Roehrig Engineering, Inc.; Southward, Stephen C.; Reubush, Chandler; Pittman, Bryan; Roehrig, Kurt; Gerard, Doug (United States Patent and Trademark Office, 2017-05-09)
      An apparatus imparts motion to a test object such as a motor vehicle in a controlled fashion. A base has mounted on it a linear electromagnetic motor having a first end and a second end, the first end being connected to ...
    • Implementation and Non-Destructive Evaluation of Composite Structural Shapes in the Tom's Creek Bridge 

      Hayes, M.D.; Haramis, J.; Lesko, John J.; Cousins, Thomas E.; Duke, J.C.; Weyers, Richard E. (Virginia Center for Transportation Innovation and Research, 2000-05-01)
      A bridge rehabilitation utilizing a hybrid fiber reinforced polymeric composite has been completed in Blacksburg, Virginia. This project involved replacing the superstructure in the Tom's Creek Bridge, a rural short-span ...
    • Implementation Of A Loss-Compensated Recirculating Delayed Self-Heterodyne Interferometer For Ultranarrow Laser Linewidth Measurement 

      Chen, X. P.; Han, M.; Zhu, Y. Z.; Dong, Bin; Wang, Anbo (Optical Society of America, 2006-12-01)
      Ultranarrow laser linewidth measurement using an optimized loss-compensated recirculating delayed self-heterodyne interferometer is described. An experimental setup is constructed to measure subkilohertz laser linewidths. ...
    • Implementation of a Perfect Hash Function Scheme 

      Datta, Sanjeev; Fox, Edward A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1989-03-01), TR-89-09
      This report surveys the recent development in computing perfect hash functions, and in particular, closely examines an algorithm proposed by Thomas Sager. An implementation of that algorithm in C has been done to demonstrate ...
    • Implementation of an Enhanced Distributed Object Model using Actors 

      Challa, Siva; Kafura, Dennis G. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1998-03-01), TR-98-08
      Most common object models of distributed object systems have a limited set of object-oriented features, lacking the advanced features of 'polymorphism' (an abstraction mechanism that represents a quality or state of being ...
    • Implementation of B-Trees Using Dynamic Address Computation 

      Hartson, H. Rex; West, Raymond T. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1990), TR-90-37
      The B-tree is probably the most popular method in use today for indexes and inverted files in database management systems. The traditional implementation for a B-tree uses many pointers (more than one per key), and which ...
    • An Implementation of D. H. Warren's PROLOG Machine on a Vax 11/780 

      Cotlin, R. W.; Roach, John W. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1986), TR-86-17
      This report describes, in considerable detail, the implementation of a Prolog compiler on a VAX. This implementation is modeled after Warren's Abstract Machine (WAM) for Prolog. The report clarifies and gives examples of ...
    • Implementation of Fortran Random Number Generators on Computers with One's Complement Arithmetic 

      Nance, Richard E.; Overstreet Jr., Claude (Department of Computer Science, Virginia Polytechnic Institute & State University, 1974), CS74011-R
      No abstract available.
    • The Implementation of Four Conceptual Frameworks for Simulation Modeling in High-Level Languages 

      Balci, Osman (Department of Computer Science, Virginia Polytechnic Institute & State University, 1988), TR-88-21
      This is a tutorial paper on how to implement a simulation model in a high-level programming language (e.g ., C, Pascal, FORTRAN) by using the following conceptual frameworks (also called world views, simulation strategies, ...
    • Implementation of Motion Without Movement on Real 3D Objects 

      Antonov, Lyudmil; Raskar, Ramesh (Department of Computer Science, Virginia Polytechnic Institute & State University, 2004), TR-04-02
      Researchers have developed a technique such that when the colors of a static image are toggled on a screen, the illusion of continuous movement in a certain direction is produced. This phenomenon is known as motion without ...
    • Implementation of Predicate-Based Protection in MULTISAFE 

      Hartson, H. Rex (Department of Computer Science, Virginia Polytechnic Institute & State University, 1980), CS80010-R
      This paper reports some implementation work done within the MULTI SAFE database protection research project group at Virginia Tech. It describes the evolution of an approach to database security from a formal model of ...
    • Implementing a Global Termination Condition and Collecting Output Measures in Parallel Simulation 

      Abrams, Marc; Richardson, Debra S. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1990), TR-90-54
      This paper investigates how to implement arbitrary global termination conditions and collect statistics in a parallel simulation. The problem is first discussed using Chandy and Sherman's space-time framework. Then ...