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Micromachines, Volume 11, Issue 4

April 2020 - 112 articles

Cover Story: We experimentally and theoretically established a rational design principle of a hydrogel/elastomer bilayer and further optimized it for a wide-field retinal electrode array. We manipulated the initial monomer concentrations of the pre-gel solutions to investigate its effect on the curvature. Then, we demonstrated stimuli-responsive transformation of a flower-shaped bilayer from a flat film to a curved 3D structure. View this paper
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Articles (112)

  • Article
  • Open Access
11 Citations
6,345 Views
15 Pages

20 April 2020

In this work, we investigate the surface transfer doping process that is induced between hydrogen-terminated (100) diamond and the metal oxides, MoO3 and V2O5, through simulation using a semi-empirical Density Functional Theory (DFT) method. DFT was...

  • Feature Paper
  • Perspective
  • Open Access
74 Citations
15,030 Views
14 Pages

20 April 2020

Microelectromechanical systems (MEMS) are of high interest for recent electronic applications. Their applications range from medicine to measurement technology, from microfluidics to the Internet of Things (IoT). In many cases, MEMS elements serve as...

  • Article
  • Open Access
16 Citations
4,799 Views
13 Pages

19 April 2020

A special mold provided with a glass window was used in order to directly evaluate the flow progression during the filling phase of the injection molding process in a thin-wall cavity and to validate the simulation of the process with particular focu...

  • Feature Paper
  • Article
  • Open Access
13 Citations
4,365 Views
14 Pages

18 April 2020

In this article, we present a semi-interpenetrating network (IPN) hydrogel of reasonable size with improved swelling behavior. The semi-IPN is composed of N-isopropylacrylamide and 2-acrylamido-2-methyl-1-propanesulfonic acid. Porosity was generated...

  • Article
  • Open Access
11 Citations
3,817 Views
10 Pages

Improving the Recognition Accuracy of Memristive Neural Networks via Homogenized Analog Type Conductance Quantization

  • Qilai Chen,
  • Tingting Han,
  • Minghua Tang,
  • Zhang Zhang,
  • Xuejun Zheng and
  • Gang Liu

18 April 2020

Conductance quantization (QC) phenomena occurring in metal oxide based memristors demonstrate great potential for high-density data storage through multilevel switching, and analog synaptic weight update for effective training of the artificial neura...

  • Communication
  • Open Access
9 Citations
6,077 Views
9 Pages

mRNA as a Tool for Gene Transfection in 3D Cell Culture for Future Regenerative Therapy

  • Satoshi Uchida,
  • Kayoko Yanagihara,
  • Akitsugu Matsui,
  • Kazunori Kataoka and
  • Keiji Itaka

18 April 2020

A combination of three-dimensional (3D) cell culturing and non-viral gene transfection is promising in improving outcomes of cell transplantation therapy. Herein, gene transfection profiles in 3D cell culture were compared between plasmid DNA (pDNA)...

  • Article
  • Open Access
10 Citations
4,436 Views
18 Pages

Designing Antennas for RFID Sensors in Monitoring Parameters of Photovoltaic Panels

  • Mariusz Węglarski,
  • Piotr Jankowski-Mihułowicz,
  • Mateusz Chamera,
  • Justyna Dziedzic and
  • Paweł Kwaśnicki

17 April 2020

The importance of the radio-frequency identification (RFID) technology and photovoltaic (PV) systems has been growing systematically in the modern world full of intelligent products connected to the Internet. Monitoring parameters of green energy pla...

  • Article
  • Open Access
5 Citations
3,036 Views
18 Pages

17 April 2020

The non-Newtonian nanofluid flow becomes increasingly important in enhancing the thermal management efficiency of microscale devices and in promoting the exploration of the thermal-electric energy conversion process. The effect of streaming potential...

  • Article
  • Open Access
9 Citations
3,335 Views
19 Pages

17 April 2020

A novel micromachined z-axis torsional accelerometer based on the tunneling magnetoresistive effect is presented in this paper. The plane main structure bonded with permanent magnetic film is driven to twist under the action of inertial acceleration,...

  • Article
  • Open Access
8 Citations
3,153 Views
11 Pages

17 April 2020

A novel type of spatial three revolute-cylindrical-universal (3-RCU) flexible micro manipulator is designed based on flexible hinges, and analyzed by finite element analysis (FEA). The piezoelectric actuators are adopted as driving devices in this pl...

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Micromachines - ISSN 2072-666X