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This paper reports a concept of a micro cell analysis system for fast cell immobilization by using a non immunological method which is composed of a cell/drug inlet, a sheath flow inlet, a micro chamber and a outlet to biosensor/waste. Micro cell wells were located in the micro chamber. To define optimized parameters of micro cell analysis system, cell adhesion experiment using Hela at 0.5×10...
In this study, a simple and sensitive detection method for phenols were investigated using poly(ethylene glycol) (PEG) hydrogel microarray entrapping quantum dot (QD) and tyrosinase enzyme. Hydrogel microarrays were fabricated by using photo-patterning methods, and size of resultant hydrogel micropattern was ranged from 10 to 300 ??m. The enzymatic reaction used for the detection of phenol is the...
Suspension arrays for protein-based assays have been developed using shape-coded poly(ethylene glycol)(PEG) hydrogel microparticles to overcome the problems with current systems which use color-coded rigid microparticles. In this study, we fabricated various shapes of PEG hydrogel microparticles. PEG hydrogel microparticles were photo-crosslinked with the specific amount of acrylic acid to provide...
In this study, to improve efficiency and functionality of cell-based biosensor microarrays, we introduced nano-topographical features on cell adhesive region. Micropatterned surface was created by poly (ethylene glycol) (PEG) hydrogel microstructures via photolithography. Nano-topographical features were introduced using polymeric nanofibers which were produced by electrospinning technique. Combining...
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