Abstract:Microfluidic-integrated freestanding membranes with suitable biocompatibility and tunable physicochemical properties are in high demand for a wide range of life science and biological studies. However, there is a lack of facile and rapid methods to integrate such versatile membranes into microfluidics. A recently invented interfacial electrofabrication of chitosan membranes offers an in-situ membrane integration strategy that is flexible, controllable, simple, and biologically friendly. In this follow-up study… Show more
“…41 Following the same approach, chitosan membranes with programmable birefringent properties have been synthesized and may provide an alternative and advantageous synthesis approach for future flow meters. 42 One may also target copolymer systems that include flexible segments which can more easily respond to shear flow.…”
We report a flow sensitive birefringent in-channel chitosan micromembrane. Using a simple cross-polarizer and a calibration curve, the membrane functions as a flow rate meter, which also works as a feedback element for a flow control system.
“…41 Following the same approach, chitosan membranes with programmable birefringent properties have been synthesized and may provide an alternative and advantageous synthesis approach for future flow meters. 42 One may also target copolymer systems that include flexible segments which can more easily respond to shear flow.…”
We report a flow sensitive birefringent in-channel chitosan micromembrane. Using a simple cross-polarizer and a calibration curve, the membrane functions as a flow rate meter, which also works as a feedback element for a flow control system.
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