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What is chitosan microspheres?

What is chitosan microspheres? Chitosan microspheres/nanoparticles are used to provide controlled release of many drugs and to improve the bioavailability of degradable substances such as proteins, as well as to improve the uptake of hydrophilic substances […]

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Are electrostatic speakers any good?

Are electrostatic speakers any good? Electrostatic speakers produce levels of distortion one to two orders of magnitude lower than conventional cone drivers in a box. Electrostatic speakers’ clarity is extraordinary. The big downside is high cost, […]

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