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A new selective probe with a quinoxalinone structure, QP-1, has been developed for detection of Cys from biothiols. QP-1 features superb selectivity to Cys and a wide pH range. QP-1 has selectivity to Cys over Hcy, GSH, other amino acids and ions. HRMS spectra confirmed that the detection process was a conjugate addition-addition-elimination reaction. Moreover, QP-1 has been successfully applied in...
A multi-state system is a kind of system in which both the system and its components may display multiple performance levels, and it can be utilized to model more complicated and practical systems. As one kind of multi-state object, the performance degradation of a system and its components can be analyzed in terms of failure mechanism dependence. Some coupling relationships of these failure mechanisms...
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