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Nanomaterials in Glucose Sensing by Ning Wang, Krishna Burugapalli

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5. Smart membranes for glucose sensing

Nano-structured membranes for various applications including biosensing have been comprehensively reviewed elsewhere [166168]. The membrane materials, their structure and porosity play an important role in their selective permeability to solutes. They are said to be nano-porous when their pore sizes are less than 100 nm, and sometimes the upper limit is extended to 500 nm. Further, based on porosity they are classified into four categories: 1) non-porous, 2) microporous (≤2 nm), 3) mesoporous (2–50 nm), and 4) macroporous (50–500 nm) [167]. Membranes based on all four categories have been used for glucose biosensing and their use has four major purposes: 1) to entrap or immobilize enzyme or other glucose ...

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