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The mechanism of the particle interactions is still inconclusive, even though many researchers have tried to figure out the particle-particle interactions under the influence of electric field. In this paper we report an experimental investigation of electrostatic attraction and repulsion of endothelial cells in an image-driven light induced dielectrophoresis (DEP) apparatus. The optoelectronic tweezers...
A bioreactor system with 3-diementional (3D) Poly ethylene glycol diacrylate (PEGDA) structures in the culture-well to provide 3D culturing conditions is proposed here. The culture medium diffused through the tissue cause of the nozzle shaped flow channel at the outlet of each bioreactor and tissue being held between PEGDA microstructures. This helps in delivering the required nutrients to core of...
We report a Poly methyl methacrylate (PMMA) bioreactor in which hepatitis B virus (HBV) infected transgenic mice liver tissue has been cultured for long term with the continuous flow of culture medium, surrounded by mesothelial cells to provide 3-dimensional culturing conditions with adequate nutrient exchange. PDMS membrane was fabricated and a layer of mesothelial cells were cultured on it. Further...
We describe the design and fabrication of 3D chip that enables the cell co-culture under continuous flow perfusion and repeated in situ observation by light microscopy. Thin polydimethylsiloxane (PDMS) membrane was etched to create an array of through-holes, and sandwiched between two PDMS channels to form an upper chamber and lower chamber. In the upper chamber hepatocytes (HepG2) and fibroblasts...
Biological and medical fields have authenticated stupendous advancement in the development of biosensors and biochips. The development of highly sensitive biological sensors is need of the hour. This research work utilizes the dielectrophoretic concentrator chip with titanium (Ti) electrodes to shape the electric field, to pre-concentrate deoxyribo nucleic acid (DNA) within microfluidic channel onto...
In the proposed paper, we report dielectrophoresis (DEP) liver lab chip integrated with Poly ethylene glycol diacrylate (PEGDA) based blood vessel within the microfluidic system for reconstructing the engineered liver tissue with the feature of liver function enhancement. The titanium (Ti) electrodes are well designed to provide positive dielectrophoresis (pDEP) and negative dielectrophoresis (nDEP)...
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