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Micromachines, Volume 9, Issue 4

April 2018 - 58 articles

Cover Story: Thermotaxis and chemotaxis are defined as the tendency of cells and microorganisms under thermal and chemical gradients to migrate toward favorable physical situations and avoid damage and death. Advances in microfluidics have enhanced the precision of controlling and capturing microscale samples, and bridged the gap between in-vitro and in-situ assays, specifically in taxis experiments. Thermo- and chemotaxis inspired the design and development of novel microfluidic systems and devices based on thermocapillary and chemocapillary flow control. View this paper
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Articles (58)

  • Review
  • Open Access
48 Citations
6,897 Views
22 Pages

15 April 2018

Due to their high isolation, low insertion loss, high linearity, and low power consumption, microelectromechanical systems (MEMS) switches have drawn much attention from researchers in recent years. In this paper, we introduce the research status of...

  • Feature Paper
  • Article
  • Open Access
12 Citations
6,916 Views
11 Pages

15 April 2018

The application of subwavelength, textured structures to glass surfaces has been shown to reduce reflectivity and also results in self-cleaning due to super-hydrophobicity. However, current methods of producing such textures are typically either expe...

  • Review
  • Open Access
19 Citations
8,425 Views
19 Pages

14 April 2018

Droplet optofluidics technology aims at manipulating the tiny volume of fluids confined in micro-droplets with light, while exploiting their interaction to create “digital” micro-systems with highly significant scientific and technological interests....

  • Article
  • Open Access
10 Citations
5,186 Views
17 Pages

14 April 2018

A novel topology optimization approach is proposed in this paper for the design of three rotational degree-of-freedom (DOF) spatially compliant mechanisms, combining the Jacobian isomorphic mapping matrix with the solid isotropic material with penali...

  • Article
  • Open Access
4 Citations
4,355 Views
9 Pages

Quantitative Evaluation of Dielectric Breakdown of Silicon Micro- and Nanofluidic Devices for Electrophoretic Transport of a Single DNA Molecule

  • Mamiko Sano,
  • Noritada Kaji,
  • Qiong Wu,
  • Toyohiro Naito,
  • Takao Yasui,
  • Masateru Taniguchi,
  • Tomoji Kawai and
  • Yoshinobu Baba

13 April 2018

In the present study, we quantitatively evaluated dielectric breakdown in silicon-based micro- and nanofluidic devices under practical electrophoretic conditions by changing the thickness of the insulating layer. At higher buffer concentration, a sil...

  • Article
  • Open Access
6 Citations
5,650 Views
13 Pages

Bonding-Based Wafer-Level Vacuum Packaging Using Atomic Hydrogen Pre-Treated Cu Bonding Frames

  • Koki Tanaka,
  • Hideki Hirano,
  • Masafumi Kumano,
  • Joerg Froemel and
  • Shuji Tanaka

13 April 2018

A novel surface activation technology for Cu-Cu bonding-based wafer-level vacuum packaging using hot-wire-generated atomic hydrogen treatment was developed. Vacuum sealing temperature at 300 °C was achieved by atomic hydrogen pre-treatment for Cu...

  • Communication
  • Open Access
4 Citations
4,496 Views
9 Pages

13 April 2018

In contrast to traditional drug administration, targeted drug delivery can prolong, localize, target and have a protected drug interaction with the diseased tissue. Drug delivery carriers, such as polymeric micelles, liposomes, dendrimers, nanotubes,...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,059 Views
13 Pages

12 April 2018

This research proposes a mass sensor based on mechanical resonance that is free from power supply lines (line-free) and incorporates both microfluidic mechanisms and label-free techniques to improve its sensitivity and reusability. The microfluidic l...

  • Article
  • Open Access
13 Citations
4,625 Views
11 Pages

12 April 2018

An acceleration sensor based on piezoelectric thin films is proposed in this paper, which comprises the elastic element of a silicon cantilever beam and a piezoelectric structure with Li-doped ZnO piezoelectric thin films. The Li-doped ZnO piezoelect...

  • Feature Paper
  • Article
  • Open Access
10 Citations
5,244 Views
24 Pages

On Developing Field-Effect-Tunable Nanofluidic Ion Diodes with Bipolar, Induced-Charge Electrokinetics

  • Ye Tao,
  • Weiyu Liu,
  • Yukun Ren,
  • Yansu Hu,
  • Guang Li,
  • Guoyun Ma and
  • Qisheng Wu

12 April 2018

We introduce herein the induced-charge electrokinetic phenomenon to nanometer fluidic systems; the design of the nanofluidic ion diode for field-effect ionic current control of the nanometer dimension is developed by enhancing internal ion concentrat...

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Micromachines - ISSN 2072-666X