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Poly-N-isopropylacrylamide (PNIPAM) is well known about an exhibition of coil-to-globule transition below the lower critical solution temperature (32 °C) in aqueous media. Because of this temperature near the human body, it has focused on as one of the functional polymers available to industries. However, the synthesis of PNIPAM has been conventionally conducted in combined harmful solvents for considerable...
Semiconductor gas sensors are device consisting of sintered metal oxides, which can indicate target gas concentration by measuring the electric resistance of device. The gas sensors have been developed widely for detection of inflammable gases, toxic gases, odor gases, environmental-related gases and so on. As the materials, n-type oxides, such as SnO2, In2O3, WO3 and so on, are well known. For the...
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