Engineering: Recent submissions

Now showing items 1-20 of 1561

    • Anchorage Strength of Closely Spaced Hooked Bars 

      Ajaam, Ali; Yasso, Samir; Darwin, David; O’Reilly, Matthew; Sperry, Jayne (American Concrete Institute, 2018-07)
      The effect of close spacing on the anchorage strength of standard hooks is investigated. Sixty-seven simulated beam-column joint specimens were tested, each containing three, four, or six No. 5, 8, or 11 (No. 16, 25, or ...

    • Multiplex model of mental lexicon reveals explosive learning in humans 

      Stella, Massimo; Beckage, Nicole M.; Brede, Markus; De Domenico, Manlio (Nature Publishing Group, 2018-02-02)
      Word similarities affect language acquisition and use in a multi-relational way barely accounted for in the literature. We propose a multiplex network representation of this mental lexicon of word similarities as a natural ...

    • Extended bioreactor conditioning of mononuclear cell–seeded heart valve scaffolds 

      VeDepo, Mitchell; Buse, Eric; Quinn, Rachael; Hopkins, Richard; Converse, Gabriel (SAGE Publications, 2018-01)
      The tissue-engineered heart valve may be the ideal valve replacement option but still must overcome challenges in leaflet recellularization. This study sought to investigate the potential for leaflet matrix restoration and ...

    • Mortar Constituent of Concrete in Compression 

      Maher, Ataullah; Darwin, David (American Concrete Institute, 1982-03-01)
      A study of the behavior of the mortar constituent of concrete under monotonic and cyclic uniaxial compression is summarized. Two mixes were used, with proportions corresponding to concretes with water-cement ratios of 0.5 ...

    • MicroRNA-210-mediated proliferation, survival, and angiogenesis promote cardiac repair post myocardial infarction in rodents 

      Arif, Mohammed; Pandey, Raghav; Alam, Perwez; Jiang, Shujia; Sadayappan, Sakthivel; Paul, Arghya; Ahmed, Rafeeq P. H. (Springer Verlag, 2017-12)
      An innovative approach for cardiac regeneration following injury is to induce endogenous cardiomyocyte (CM) cell cycle re-entry. In the present study, CMs from adult rat hearts were isolated and transfected with cel-miR-67 ...

    • Fabrication of hybrid crosslinked network with buffering capabilities and autonomous strengthening characteristics for dental adhesives 

      Song, Linyong; Ye, Qiang; Ge, Xueping; Misra, Anil; Tamerler, Candan; Spencer, Paulette (Elsevier, 2018-02)
      Ingress of bacteria and fluids at the interfacial gaps between the restorative composite biomaterial and the tooth structure contribute to recurrent decay and failure of the composite restoration. The inability of the ...

    • Deciphering the role of substrate stiffness to enhance internalization efficiency of plasmid DNA in stem cells using lipid-based nanocarriers 

      Modaresi, Saman; Pacelli, Settimio; Whitlow, Jonathan; Paul, Arghya (Royal Society of Chemistry, 2018-04-06)
      This study investigates the role of substrate stiffness on non-viral transfection of human adipose-derived stem cells (hASCs) with the aim to maximize hASCs expression of vascular endothelial growth factor (VEGF). The ...

    • 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 P.; 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, ...