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We proposed on-chip spatiotemporal sensing for monitoring interactions between cells and environment using fluorescence multi-microsensors. The microfluidic chip integrating fluorescence multi-microsensor is used to construct the harmonious environment like in vivo to reconstruct high-quality organs ex vivo. Fluorescence sensing is suitable for spatiotemporal sensing with high spatial resolution because...
Evaluation of oocyte and embryo has become important for many biomedicai applications. We developed measurement of oxygen consumption rate of individual oocyte using fluorescence oxygen sensor having stripe-shape on a microfluidic chip. The fluorescence sensor was made of the mixture of polyethylene glycol diacrylate and Tris (2,2'-bipyridyl) dichloro ruthenium (II) hexahydrate (Ru(bpy)3Cl2). The...
We proposed size-dependent microparticle filtration and particle trap by centrifugal force and mechanical restriction using three-dimensional magnetically driven microtool (3D-MMT) in a microfluidic chip. Novelties of this paper are summarized as follows. (1) Filtration of particles is robust against pressure fluctuation in microchannels rather than using only hydrodynamic force because particles...
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