Now showing items 42-61 of 94

    • Learning Retention of Thoracic Pedicle Screw Placement Using a High-Resolution Augmented Reality Simulator With Haptic Feedback 

      Luciano, Cristian J; Banerjee, P Pat; Bellotte, Brad; Oh, G Michael; Lemole, Michael; Charbel, Fady T.; Roitberg, Ben (Lippincott, Williams & Wilkins, 2011-09)
      Background. In this study we evaluated the use of a part-task simulator with 3D and haptic feedback as a training tool for a common neurosurgical procedure – placement of thoracic pedicle screws. Objective. The purpose ...
    • LiFePO4 – 3 D carbon nanofiber composites as cathode materials for Li-ions batteries 

      Dimesso, L.; Spanheimer, C.; Jaegermann, W.; Zhang, Y.; Yarin, A. L. (American Institute of Physics, 2012-03)
      The characterization of carbon nanofiber 3D nonwovens, prepared by electrospinning process, coated with olivine structured lithium iron phosphate is reported. The LiFePO4 as cathode material for lithium ion batteries was ...
    • Localized Mechanical Stress Induced Ionic Redistribution in a Layered LiCoO2 Cathode 

      Yao, W.T.; Long, F.; Shahbazian-Yassar, R. (American Chemical Society, 2016-10-13)
      Controlling the transport of ions within electrodes is highly desirable for the operation of rechargeable ion batteries. Here, for the first time, we report the role of mechanical stress in controlling the redistribution ...
    • Meltblowing: I-basic physical mechanisms and threadline model 

      Sinha-Ray, S.; Yarin, Alexander L.; Pourdeyhimi, B. (American Institute of Physics, 2010-08-01)
      The work aims at the experimental and theoretical study of the mechanism of meltblowing. Meltblowing is a popular method of producing polymer microfibers and nanofibers en masse in the form of nonwovens via aerodynamic ...
    • Meltblowing: II-linear and nonlinear waves on viscoelastic polymer jets 

      Yarin, Alexander L.; Sinha-Ray, S.; Pourdeyhimi, B. (American Institute of Physics, 2010-08-01)
      The work is devoted to the theory of meltblown polymer jets. Polymer jets are experiencing strong stretching and flapping being subjected to the pulling action of a high speed surrounding axisymmetric gas jet. The bending ...
    • Meltblowing: Multiple Polymer Jets and Fiber-Size Distribution and Lay-Down Patterns 

      Yarin, A.L.; Sinha-Ray, S.; Pourdeyhimi, B. (Elsevier, 2011-06-08)
      In this work a comprehensive model of three-dimensional configurations of polymer jets in meltblowing from die exit to deposition screen is developed. In addition, multiple jets were modeled simultaneously, as well as ...
    • Minimizing Cytosol Dilution in Whole-Cell Patch-Clamp Experiments 

      Inayat, Samsoon; Pinto, Lawrence H.; Troy, John B. (Institute of Electrical and Electronics Engineers, 2013-07)
      During a conventional whole-cell patch clamp experiment, diffusible cytosolic ions or molecules absent in the pipette solution can become diluted by a factor of one million or more, leading to diminished current or fluorescent ...
    • Morphing and vectoring impacting droplets by means of wettability-engineered surfaces 

      Schutzius, T.M.; Graeber, G.; Elsharkawy, M.; Oreluk, J.; Megaridis, C.M. (Nature Publishing Group, 2014-11-13)
      Driven by its importance in nature and technology, droplet impact on solid surfaces has been studied for decades. To date, research on control of droplet impact outcome has focused on optimizing pre-impact parameters, ...
    • Multi-criteria probability collectives 

      Patankar, N.S.; Kulkarni, A.J.; Tai, K.; Ghate, T.D.; Parvate, A.R. (Elsevier Inc., 2014-06)
      The nature-/bio-/socio-inspired optimisation techniques can efficiently handle unconstrained problems; however, their performance gets significantly affected when applied for solving constrained problems. This paper ...
    • Nano-Encapsulated Smart Tunable Phase Change Materials 

      Sinha-Ray, S.; Sahu, R.P.; Yarin, A.L. (Royal Society of Chemistry, 2011-08)
      We achieve the intercalation of different types of paraffins and their mixtures with triglycerides inside carbon nanotubes (CNTs) by means of self-sustained diffusion followed by a proper rinsing. The CNTs were investigated ...
    • Nano-textured Copper Oxide Nanofibers for Efficient Air Cooling. 

      An, S; Jo, HS; Al-Deyab, SS; Yarin, AL; Yoon, SS (AIP Publishing, 2016-02-12)
      Ever decreasing of microelectronics devices is challenged by overheating and demands an increase in heat removal rate. Herein, we fabricated highly efficient heat-removal coatings comprised of copper oxide-plated polymer ...
    • Nanofabrication of doped, complex oxides 

      Waller, Gordon H.; Stein, Aaron; Abiade, Jeremiah T. (American Institute of Physics, 2012-01)
      Complex oxides have many promising attributes, including wide band gaps for high temperature semiconductors, ion conducting electrolytes in fuel cells, ferroelectricity and ferromagnetism. Bulk and thin film oxides can be ...
    • Optimal control of biodiesel production in a batch reactor Part I: Deterministic control 

      Benavides, Pahola; Diwekar, Urmila (Elsevier, 2012-04)
      The continuing depletion of fossil fuel reserves and the increasing environmental concerns has encouraged engineers and scientists to look for an alternative, clean, and renewable fuel that can reduce the negative ...
    • Optimal control of biodiesel production in a batch reactor Part II: Stochastic control. 

      Benavides, Pahola T.; Diwekar, Urmila (Elsevier, 2012-04)
      The determination of time‐varying profiles through dynamic optimization is an exclusive characteristic of optimal control problems; however, these types of problems become more challenging when variability and uncertainty ...
    • Pantograph/Catenary Contact Formulations 

      Kulkarni, S.; Pappalardo, C.M.; Shabana, A.A. (American Society of Mechanical Engineers, 2016-04)
      In this investigation, the pantograph/catenary contact is examined using two different formulations. The first is an elastic contact formulation that allows for the catenary/panhead separation and for the analysis of the ...
    • Percutaneous spinal fixation simulation with virtual reality and haptics 

      Luciano, Cristian J.; Banerjee, P. Pat; Sorenson, Jeffery M.; Foley, kevin T.; Ansari, Sameer A.; Rizzi, Silvio; Germanwalla, Anand; Kranzler, Leonard; Chittiboina, Prashant; Roitberg, Ben Z. (Lippincott, Williams & Wilkins, 2013-01)
      BACKGROUND: In this study, we evaluated the use of a part-task simulator with 3-dimensional and haptic feedback as a training tool for percutaneous spinal needle placement. OBJECTIVE: To evaluate the learning effectiveness ...
    • Polyacrylonitrile nanofibers with added zeolitic imidazolate frameworks (ZIF-7) to enhance mechanical and thermal stability 

      Lee, MW; An, S; Song, KY; Joshi, BN; Jo, HS; Al-Deyab, SS; Yoon, SS; Yarin, AL (American Institute of Physics, 2015-12-31)
      Zeolitic imidazolate framework 7/polyacrylonitrile (ZIF-7/PAN) nanofiber mat of high porosity and surface area can be used as a flexible fibrous filtration membrane that is subjected to various modes of mechanical loading ...
    • Pool Boiling of Novec 7300 and Self-Rewetting Fluids on Electrically-Assisted Supersonically Solution-Blown, Copper-Plated Nanofibers 

      Yarin, A.L.; Sinha-Ray, S.; Sahu, R.P. (Elsevier, 2016-04)
      Pool boiling of Novec 7300 fluid and self-rewetting water-heptanol mixtures on bare copper surface and a copper surface coated with copper-plated nanofibers is studied experimentally. The experimental data revealed a ...
    • Pool boiling of Novec 7300 and self-rewetting fluids on electrically-assisted supersonically solution-blown, copper-plated nanofibers. 

      Sahu, RP; Sinha-Ray, S; Yarin, AL; Sinha-Ray, S (Elsevier Inc., 2016-04)
      Pool boiling of Novec 7300 fluid and self-rewetting water–heptanol mixtures on bare copper surface and a copper surface coated with copper-plated nanofibers is studied experimentally. The experimental data revealed a ...
    • Production of aqueous spherical gold nanoparticles using conventional ultrasonic bath 

      Lee, Ji-Hwan; Jang, Seok Pil; Lee, Seoung Youn; Choi, Stephen U. S. (SpringerOpen, 2012-07)
      A conventional ultrasonic bath was used to examine the feasibility of forming aqueous spherical gold nanoparticles (GNPs) under atmospheric conditions. The effects of ultrasonic energy on the size and morphology of ...