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We present an integrated microfluidic system capable of size-dependent separation, concentration, and quantitative detection of microparticles on a single piezoelectric (128° YX LiNbO3) substrate using surface acoustic wave (SAW) and photoacoustic (PA) technique. First, using a tilted-angle standing SAW highly efficient segregation of polystyrene beads of two different sizes was achieved in a continuous...
To determine the adulteration of soybean proteins in dairy product, a microchip‐CE device was developed to isolate selected fraction of soybean and milk proteins in pI range from 5.5∼7.0 by 1D IEF, followed by ITP/CZE in the embedded capillary for preconcentration, separation and UV detection at 280 nm. Compared to IEF‐CZE without ITP preconcentration, the enhancement factor (EF) in detection of soybean...
Selective infiltration of air holes in photonic crystal fibers (PCFs) with functional materials can equip optical fiber devices with advanced functions. We propose a new method which enables precise selective infiltration of dual-core PCF (DC-PCF) by using femtosecond laser micromachining. Through this proposed technique, we have successfully selective infiltrated single air hole with a diameter of...
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