In this paper, we report a highly selective and sensitive ratiometric NIR fluorescent probe that can be used for real-time detection of the biologically important hypochlorite with colorimetric and significant NIR fluorescent turn-on signal changes at NIR excitation wavelength. In addition, experiments showed that this probe can be applied to detect hypochlorite in tap water, serum samples, and living cells with low cytotoxicity.

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For large power wind turbines, large-signal disturbance in wind power converter require a sufficiently large stability region around the quiescent values. The nonlinear and uncertain variations in power converter lead the control difficulty. In this paper, we will discuss the control strategy and 3 hierarchies in Power Electronic Building Blocks (PEBBs) after analyzing non-linear and uncertain variation of power semiconductor devices. A potential function based Lyapunov function will be introduced.