Engineering: Recent submissions

Now showing items 1-20 of 1554

    • Utility of Satellite Remote Sensing for Land-Atmosphere Coupling and Drought Metrics 

      Roundy, Joshua K.; Santanello, Joseph A. (American Meteorological Society, 2017-03)
      Feedbacks between the land and the atmosphere can play an important role in the water cycle and a number of studies have quantified Land-Atmosphere (L-A) interactions and feedbacks through observations and prediction models. ...

    • Microfluidic Engineering of Exosomes: Editing Cellular Messages for Precision Therapeutics 

      Zhu, Qingfu; Heon, Mikala; Zhao, Zheng; He, Mei (Royal Society of Chemistry, 2018-05-04)
      Studying extracellular vesicle (EV), particularly exosomes, is holding great promise, yet technically challenging in defining such small and molecularly diverse nanovesicles. With intrinsic molecular payload and biodegradability, ...

    • Internal Curing and Supplementary Cementitious Materials in Bridge Decks 

      Lafikes, James; Khajehdehi, Rouzbeh; Feng, Muzai; O’Reilly, Matthew; Darwin, David (University of Kansas Center for Research, Inc., 2018-04)
      Supplementary cementitious materials (SCMs) are used in conjunction with pre-wetted fine lightweight aggregate to provide internal curing, producing high-performance, low-shrinking concrete to mitigate bridge deck cracking. ...

    • COMBINED EFFECTS OF INTERNAL CURING, SLAG, AND SILICA FUME ON DRYING SHRINKAGE OF CONCRETE 

      Pendergrass, Benjamin; Darwin, David; Khajehdehi, Rouzbeh; Feng, Muzai (University of Kansas Center for Research, Inc., 2017-08-01)
      This study evaluated drying shrinkage of concrete mixtures containing different replacement levels of total aggregate with pre-wetted lightweight aggregate (0, 8, and 10% by volume), replacements of cement with Grade 100 ...

    • Conventional and High-Strength Hooked Bars: Detailing Effects 

      Sperry, Jayne; Darwin, David; O’Reilly, Matthew; Lepage, Andrés; Lequesne, Rémy D.; Matamoros, Adolfo B.; Feldman, Lisa; Yasso, Samir; Searle, Nathaniel; DeRubeis, Michael; Ajaam, Ali (American Concrete Institute, 2018-01-01)
      Findings from a study on the effect of hook bend angle, concrete clear cover, and orientation of confining reinforcement on hook anchorage strength are presented. The range of test parameters was much broader than in ...

    • Compatibility of Shrinkage-Reducing and Air-Entraining Admixtures 

      Pendergrass, Benjamin; Darwin, David; Feng, Muzai; Khajehdehi, Rouzbeh (American Concrete Institute, 2017-09-01)
      The compatibility of two shrinkage-reducing admixtures (SRAs) with two air-entraining admixtures (AEAs)—one surfactant-based and one foaming polymer-based—was examined based on freezing and thawing durability, scaling ...

    • Anchorage of Headed Reinforcing Bars in Concrete 

      Ghimire, Krishna; Darwin, David; O’Reilly, Matthew (University of Kansas Center for Research, Inc., 2018-01)
      Headed reinforcing bars serve as a viable alternative to hooked bars for anchorage in concrete because they provide a more efficient anchorage mechanism and limit congestion of the reinforcement. This study is part of a ...

    • A Practical, Robust and Fast Method for Location Localization in Range-Based Systems 

      Huang, Shiping; Wu, Zhifeng; Misra, Anil (MDPI, 2017-12-11)
      Location localization technology is used in a number of industrial and civil applications. Real time location localization accuracy is highly dependent on the quality of the distance measurements and efficiency of solving ...

    • Nanotopography-Induced Structural Anisotropy and Sarcomere Development in Human Cardiomyocytes Derived from Induced Pluripotent Stem Cells 

      Carson, Daniel; Hnilova, Marketa; Yang, Xiulan; Nemeth, Cameron L.; Tsui, Jonathan H.; Smith, Alec S.T.; Jiao, Alex; Regnier, Michael; Murry, Charles E.; Tamerler, Candan; Kim, Deok-Ho (American Chemical Society, 2016-08-31)
      Understanding the phenotypic development of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) is a prerequisite to advancing regenerative cardiac therapy, disease modeling, and drug screening applications. ...

    • Polymeric Nanohybrids as a New Class of Therapeutic Biotransporters 

      Whitlow, Jonathan; Pacelli, Settimio; Paul, Arghya (Wiley, 2016-06)
      A possible solution to enhance existing drug and gene therapies is to develop hybrid nanocarriers capable of delivering therapeutic agents in a controlled and targeted manner. This goal can be achieved by designing nanohybrid ...

    • Effect of Follower Load on Motion and Stiffness of the Human Thoracic Spine with Intact Rib Cage 

      Sis, Hadley; Mannen, Erin M.; Wong, Benjamin Michael; Cadel, Eileen Sara; Bouxsein, Mary L.; Anderson, Dennis E.; Friis, Elizabeth A. (Elsevier, 2016-10-03)
      Researchers have reported on the importance of the rib cage in maintaining mechanical stability in the thoracic spine and on the validity of a compressive follower preload. However, dynamic mechanical testing using both ...

    • Use of Headed Bars as Shear Reinforcement 

      Lequesne, Rémy D.; O’Reilly, Matthew; Darwin, David; Lepage, Andrés; Al-Sabawy, Abdalkader; Guillen, Eduardo; Spradling, Donald (University of Kansas Center for Research, Inc., 2018-01)
      Thirty-nine beams with a shear span-to-depth ratio of 3 were tested with the goal of determining whether headed deformed bars can be used in reinforced concrete members in place of stirrups as shear reinforcement as well ...

    • Assessment of Moisture-Tolerant Coatings for Decreasing Open Top Construction Time 

      Keith, Christine; Dehghani Najvani, Mohammad Amin; O’Reilly, Matthew; Medina, Mario; Darwin, David; Abdul Baki, Ali Natheer; Nazzal, Luay Ali; Lee, Kyoung Ok (University of Kansas Center for Research, Inc., 2017-04)
      Open top construction is a practice commonly used in the construction of large structures, such as nuclear power plants, as it allows large equipment to be easily placed by lowering it into position from above. Doing so, ...

    • Variation of Concrete Strength, Permeability, and Porosity due to Specimen Type, Season, and Age 

      O’Reilly, Matthew; Darwin, David; Sperry, Jayne; Browning, JoAnn (University of Kansas Center for Research, Inc., 2017-01)
      Time and curing conditions may impact the strength and permeability of concrete. The strength and permeability of concrete with and without supplementary cementitious materials (SCMs) were evaluated as a function of specimen ...

    • Evaluation of Effects of Casting And Curing Conditions and Specimen Type on Concrete Strength and Permeability 

      O’Reilly, Matthew; Sperry, Jayne; Browning, JoAnn; Darwin, David (University of Kansas Center for Research, Inc., 2017-01)
      Time and curing conditions may impact the strength and permeability of concrete. The strength and permeability of concrete with and without supplementary cementitious materials (SCMs) were evaluated as a function of specimen ...

    • Corrosion Performance of Poorly Pickled Stainless Steel Reinforcement 

      O’Reilly, Matthew; Sperry, Jayne; Darwin, David; Lafikes, James; Somogie, Isaac; Storm, Scott; Browning, JoAnn (American Concrete Institute, 2017-11-01)
      XM-28 (UNS S24100) and 2304 (UNS S32304) stainless steel reinforcing bars with different levels of pickling were evaluated for corrosion resistance using the rapid macrocell and cracked beam tests outlined in ASTM A955. ...

    • Case for Changing Reinforcing Bar Deformation Spacing Requirements 

      Darwin, David; O’Reilly, Matthew; Browning, JoAnn; Xing, Lihua (ASTM International, 2014-01-20)
      The bond strength of four sets of reinforcing bars is evaluated, two each with No. 5 and No. 10 (No. 16 and No. 32) bars, which have, respectively, nominal diameters of 0.625 and 1.27 in. (15.9 and 32.3 mm). One bar of ...

    • Laser-enhanced high-intensity focused ultrasound heating in an in vivo small animal model 

      Jo, Janggun; Yang, Xinmai (AIP Publishing, 2016-11-22)
      The enhanced heating effect during the combination of high-intensity focused ultrasound (HIFU) and low-optical-fluence laser illumination was investigated by using an in vivo murine animal model. The thighs of murine animals ...

    • Mechanistic investigations of matrix metalloproteinase-8 inhibition by metal abstraction peptide 

      Tucker, Jenifer K.; McNiff, Michaela L.; Ulapane, Sasanka B.; Spencer, Paulette; Laurence, Jennifer S.; Berrie, Cindy L. (AIP Publishing, 2016-04-29)
      The mechanism of matrix metalloproteinase-8 (MMP-8) inhibition was investigated using ellipsometric measurements of the interaction of MMP-8 with a surface bound peptide inhibitor, tether-metal abstraction peptide (MAP), ...

    • The Effects of Climate Change on Seasonal Snowpack and the Hydrology of the Northeastern and Upper Midwest United States 

      Demaria, Eleonora M.C.; Roundy, Joshua K.; Wi, Sungwook; Palmer, Richard N. (American Meteorological Society, 2016-08-26)
      The potential effects of climate change on the snowpack of the northeastern and upper Midwest United States are assessed using statistically downscaled climate projections from an ensemble of 10 climate models and a ...