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Perfusion cell culture is believed to provide a stable culture environment due to the continuous supply of nutrients and removal of waste. However, the culture scales used in most cases were large, where the culture conditions can not be regarded as homogenous because of chemical gradients. To improve this, the concept of miniaturization is applied to 3-D cell culture. In this study, a simple perfusion...
A microfluidic device with integrated optical fibres was developed for online monitoring of lactate. The device consists of a SU-8 waveguide, microfluidic channels and grooves for the insertion of optic fibres. It was fabricated by one-step photolithography of SU-8 polymer resist. Different channel widths (50–300 μm) were tested in terms of detection sensitivity. A wide range of flow rates were applied...
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