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Bioluminescent calcium fluorapatite nanocrystals (TCaFAp:Eu) with controlled morphology were fabricated through an easy one-step method and found to have excellent water dispersibility and biocompatibility. Further modification of conjugation with both optical imaging and cell targeting capabilities provided useful nanoprobes for highly sensitive biorecognition applications, which was realized by...
Mobile Crowd Sensing Networks (MCSN) treat the ordinary users with their mobile devices as the basic sensing units, and leverage them to distribute complex social sensing tasks and collect sensing data with each other by the mobile networks. To improve the efficiency and the feasibility of data sensing, collection and transmission in MCSN, we propose an opportunistic data transmission mechanism based...
The rise in environmental issues due to the catalytic degradation of pollutants in water has received much attention. In this report, a facile method was developed for the generation of a novel thermosensitive Ag-decorated catalyst, SiO2@PNIPAM@Ag (the average particle size is around 540 nm), through atom transfer radical polymerization (ATRP) and mild reducing reactions. First, poly(N-isopropylacrylamide)...
A new antenna suitable for cognitive radio system is proposed. The structure of the antenna is composed of an ultra wide band (UWB) sensing antenna, and a frequency reconfigurable communicating antenna. It has a capability to operate in wide band (2.4–12GHz) and three narrow bands (band I: 3.05–3.8GHz, band II: 2.35–2.98 GHz, 4.3–4.5GHz and band III: 1.45–2.18GHz). Three switches are used to control...
Chemical taste is indispensable information in food testing. The technical of electronic tongue system is one of research directions to identify different chemical tastes. This paper focuses on the pattern recognition method based on learning vector quantization (LVQ) neural network. The electronic tongue system designed could identify all the samples of beer, fruit juice and milk successfully in...
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