Browsing FAS Scholarly Articles by Keyword "Mechanical Engineering"

Now showing items 1-20 of 24

    • Active tissue adhesive activates mechanosensors and prevents muscle atrophy 

      Nam, Sungmin; Seo, Bo Ri; Najibi, Alexander; McNamara, Stephanie; Mooney, David (Springer Science and Business Media LLC, 2022-11-10)
      While mechanical stimulation is known to regulate a wide range of biological processes at the cellular and tissue level, its medical use for tissue regeneration and rehabilitation has been limited by the availability of ...

    • Bioinspired neuron-like electronics 

      Yang, Xiao; Zhou, Tao; Zwang, Theodore; Hong, Guosong; Zhao, Yunlong; Viveros, Robert D.; Fu, Tian-Ming; Gao, Teng; Lieber, Charles (Springer Nature, 2019-02-25)
      As an important application of functional biomaterials, neural probes have contributed substantially to studying the brain. Bioinspired and biomimetic strategies have begun to be applied to the development of neural probes, ...

    • Buckling of a Pressurized Hemispherical Shell Subjected to a Probing Force 

      Marthelot, Joel; López Jiménez, Francisco; Lee, Anna; Hutchinson, John; Reis, Pedro M. (ASME International, 2017-10-19)
      We study the buckling of hemispherical elastic shells sub- jected to the combined effect of pressure loading and a prob- ing force. We perform an experimental investigation using thin shells of nearly uniform thickness ...

    • Cellular nanoscale stiffness patterns governed by intracellular forces 

      Friedsam, Claudia; Sahin, Ozgur; Mandriota, Nicola; Jones-Molina, John; Tatem, Kathleen; Ingber, Donald (Springer Science and Business Media LLC, 2019-06-17)
      Cell stiffness measurements have led to insights into various physiological and pathological processes. Although many cellular behaviours are influenced by intracellular mechanical forces that also alter the material ...

    • Cyborg Organoids: Implantation of Nanoelectronics via Organogenesis for Tissue-Wide Electrophysiology 

      Li, Qiang; Nan, Kewang; Le Floch, Paul; Lin, Zuwan; Sheng, Hao; Blum, Thomas S.; Liu, Jia; Blum, Thomas (American Chemical Society (ACS), 2019-07-26)
      Tissue-wide electrophysiology with single-cell and millisecond spatiotemporal resolution is critical for heart and brain studies. Issues arise, however, from the invasive, localized implantation of electronics that destroys ...

    • Dirac Fermions and Flat Bands in the Ideal Kagome Metal FeSn 

      Fang, Shiang; Han, Minyong; Graff, David; Kaxiras, Efthimios; Kang, Mingu; Ye, Linda; You, Jhih-Shih; Levitan, Abe; Facio, Jorge; Jozwiak, Chris; Bostwick, Aaron; Rotenberg, Eli; Chan, Mun; McDonald, Ross; Kaznatcheev, Konstantine; Vescovo, Elio; Bell, David; van den Brink, Jeroen; Richter, Manuel; Prasad Ghimire, Madhav; Checkelsky, Joseph; Comin, Riccardo (Springer Science and Business Media LLC, 2019-12-09)
      A kagome lattice of 3d transition metal ions is a versatile platform for correlated topological phases hosting symmetry-protected electronic excitations and magnetic ground states. However, the paradigmatic states of the ...

    • Excitons in a reconstructed moiré potential in twisted WSe2/WSe2 homobilayers 

      Andersen, Trond; Scuri, Giovanni; Sushko, Andrey; De Greve, Kristiaan; Sung, Jiho; Zhou, You; Wild, Dominik S.; Gelly, Ryan J.; Heo, Hoseok; Berube, Damien; Joe, Andrew Y.; Jauregui, Luis A.; Watanabe, Kenji; Taniguchi, Takashi; Kim, Philip; Park, Hongkun; Lukin, Mikhail D. (Springer Science and Business Media LLC, 2021-01-04)
      Moiré superlattices in twisted van der Waals (vdW) materials have recently emerged as a promising platform for engineering electronic and optical properties. A major obstacle to fully understanding these systems and ...

    • Extremely Stretchable and Fast Self-Healing Hydrogels 

      Jeon, Insu; Cui, Jiaxi; Illeperuma, Widusha R. K.; Aizenberg, Joanna; Vlassak, Joost J. (Wiley, 2016-04-09)
      Dynamic crosslinking of extremely stretchable hydrogels with rapid self-healing ability is described. Using this new strategy, the obtained hydrogels are able to elongate 100 times compared to their initial length and to ...

    • Fundamental Limits to the Electrochemical Impedance Stability of Dielectric Elastomers in Bioelectronics 

      Le Floch, Paul; Molinari, Nicola; Nan, Kewang; Zhang, Shuwen; Kozinsky, Boris; Suo, Zhigang; Liu, Jia (American Chemical Society (ACS), 2019-11-28)
      Incorporation of elastomers into bioelectronics that reduces the mechanical mismatch between electronics and biological systems could potentially improve the long-term electronics–tissue interface. However, the chronic ...

    • An Inverse-Designed Nanophotonic Interface for Excitons in Atomically Thin Materials 

      Gelly, Ryan; White, Alexander; Scuri, Giovanni; Liao, Xing; Geun Ho, Ahn; Deng, Bingchen; Watanabe, Kenji; Taniguchi, Takashi; Vučković, Jelena; Park, Hongkung (American Chemical Society (ACS), 2023-09-11)
      Efficient nanophotonic devices are essential for applications in quantum networking, optical information processing, sensing, and nonlinear optics. Extensive research efforts have focused on integrating two-dimensional ...

    • Kirigami-inspired stents for sustained local delivery of therapeutics 

      Babaee, Sahab; Shi, Yichao; Abbasalizadeh, Saeed; Tamang, Siddartha; Hess, Kaitlyn; Collins, Joy; Ishida, Keiko; Williams, Michael; Albaghdadi, Mazen; Hayward, Alison; Traverso, Giovanni (Springer Science and Business Media LLC, 2021-06-14)
      Implantable drug depots have the capacity to locally meet therapeutic requirements by maximizing local drug efficacy and minimizing potential systemic side effects. Tubular organs including the gastrointestinal tract, ...

    • Mechanical Checkpoint Regulates Monocyte Differentiation in Fibrotic Niches 

      Vining, Kyle; Marneth, Anna; Adu-Berchie, Kwasi; Grolman, Joshua; Tringides, Christina; Liu, Yutong; Wong, Waihay; Pozdnyakova, Olga; Severgnini, Mariano; Stafford, Alexander; Duda, Georg; Hodi, F. Stephen; Mullally, Ann; Wucherpfennig, Kai; Mooney, David (Springer Science and Business Media LLC, 2022-07-11)

    • Mechanically robust lattices inspired by deep-sea glass sponges 

      Fernandes, Matheus C.; Aizenberg, Joanna; Weaver, James; Bertoldi, Katia (Springer Science and Business Media LLC, 2020-09-21)
      The predominantly deep-sea hexactinellid sponges are known for their ability to construct remarkably complex skeletons from amorphous hydrated silica. The skeletal system from one such example, Euplectella aspergillum, ...

    • Modelling Intergranular and Transgranular Micro-Cracking in Polycrystalline Materials 

      Gulizzi, V; Rycroft, Christopher; Benedetti, I (Elsevier BV, 2018-02)
      In this work, a grain boundary formulation for intergranular and transgranular micro-cracking in three-dimensional polycrystalline aggregates is presented. The formulation is based on the displacement and stress boundary ...

    • Molecular Threading: Mechanical Extraction, Stretching and Placement of DNA Molecules from a Liquid-Air Interface 

      Payne, Andrew C.; Andregg, Michael; Kemmish, Kent; Hamalainen, Mark; Bowell, Charlotte; Bleloch, Andrew; Klejwa, Nathan; Lehrach, Wolfgang; Schatz, Ken; Stark, Heather; Marblestone, Adam; Church, George; Own, Christopher S.; Andregg, William (Public Library of Science, 2013)
      We present “molecular threading”, a surface independent tip-based method for stretching and depositing single and double-stranded DNA molecules. DNA is stretched into air at a liquid-air interface, and can be subsequently ...

    • Nonlinear Buckling Interaction for Spherical Shells Subject to Pressure and Probing Forces 

      Hutchinson, John; Thompson, Michael T. (ASME International, 2017-04-12)
      Elastic spherical shells loaded under uniform pressure are subject to equal and opposite compressive probing forces at their poles to trigger and explore buckling. When the shells support external pressure, buckling is ...

    • Programming Shape Using Kirigami Tessellations 

      Choi, Gary Pui-Tung; Dudte, Levi H.; Mahadevan, Lakshminarayanan (Springer Science and Business Media LLC, 2019-08-19)
      Kirigami tessellations are regular planar patterns formed by cutting flat, thin sheets that morph into structures with rich geometries and unusual material properties. However, geometric constraints make the development ...

    • Rydberg exciton–polaritons in a Cu2O microcavity 

      Orfanakis, Konstantinos; Rajendran, Sai Kiran; Walther, Valentin; Volz, Thomas; Pohl, Thomas; Ohadi, Hamid (Springer Science and Business Media LLC, 2022-04-14)
      Giant Rydberg excitons with principal quantum numbers as high as $n=25$ have been observed in cuprous oxide (Cu$_2$O), a semiconductor where the exciton diameter can become as large as a micrometre. The giant dimension of ...

    • Shape-based separation of synthetic microparticles 

      Mage, Peter L.; Csordas, Andrew T.; Brown, Tyler; Klinger, Daniel; Eisenstein, Michael; Mitragotri, Samir; Soh, H. Tom (Springer Nature, 2018-12-10)
      The functional properties of colloidal materials can be tailored by tuning the shape of their constituent particles. Unfortunately, a reliable, general methodology for purifying colloidal materials solely based on shape ...

    • Stretchable Electrets: Nanoparticle–Elastomer Composites 

      Zhang, Shuwen; Wang, Yecheng; Yao, Xi; Le Floch, Paul; Yang, Xuxu; Liu, Jia; Suo, Zhigang (American Chemical Society (ACS), 2020-05-15)