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Here, we present a method for fabrication of full three-dimensional porous microstructures (microscaffolds) using photocurable polymer. The structures were coated with nickel and titanium for magnetic manipulation and biocompatibility, respectively. Fabricated microstructures were controlled by external magnetic fields for remote actuation. Human embryonic kidney 293 cells were cultured in the microstructures...
This paper presents a new Graphene nanodevice that acts as a two terminal nanorectifier with a high rectification ratio, without the need for a p-n junction or a third gate terminal. The device's operation is similar to that of Self-Switching Diodes (SSD) and is therefore named here as a Graphene Self-Switching Diode (G-SSD). Graphene's 2D structure and its interesting electronic properties make it...
In this paper, we present a novel design of low-cost, high-throughput hologram-based 3D imaging system towards the development of a detection system for Escherichia coli (E. coli). This focusing-free system can image food samples flowing in a transparent microchannel under illumination of RGB lasers through a pinhole, and yields their 3D structures in real-time using hologram-based reconstruction...
A method for incorporating 2D quantum mechanical effects into a full-band Cellular Monte Carlo simulator is described and applied to the simulation of Quantum Well Field Effect Transistors (QWFETs). Incorporating all relevant scattering mechanisms, good agreement is obtained between simulation and experiment in the case of a device with an InGaAs channel. The effect of scaling the QW width is also...
A novel dextrous stick coordination manipulation (DeSCom) system with dual-nanomanipulator was proposed for the assembly of three-dimensional (3D) structures. The coordination control between two dextrous sticks was realized based on the vision feedback and the manipulation resolution was around 30 nm. It was set up with hybrid motors to ensure the large operation range and operation precision. The...
In this paper, we estimate the influence of random dopants (RDs), interface traps (ITs), and random work functions (WKs) using the experimentally calibrated 3D device simulation on DC characteristic of high-к / metal gate n- and p-type bulk fin-typed field-effect-transistors. We further study these intrinsic parameter fluctuations' impact on drain induced barrier lowering (DIBL). The main findings...
Alginate hydrogel finds widespread applications in tissue engineering, cancer therapy, wound management and drug/cell/growth factor delivery due to its biocompatibility, hydrated environment and desirable viscoelastic properties. However Lack of controllability is still an obstacle for utilizing it in the fabrication of 3D tissue constructs and accurate targeting in mass delivery. Here, we proposed...
Microfluidic devices provide efficient approaches for building bio-mimetic tube-shaped structures for tissue engineering or in vitro tissue models. We report a novel method of constructing multi-layered tube-shaped microstructures embedding cells via a 2-layer microfluidic device. The on-chip fabrication of movable microstructures embedding fiber blast cell (NIH/3T3) based on Poly (ethylene glycol)...
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