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In this paper, based on quasi steady-state assumption, a phenomenological model of viral infections with intracellular delay is proposed to explore viral infection process. The existence as well as stability of equilibria and bifurcation are studied. The results indicate that the basic reproduction number is a sharp threshold parameter to determine the outcomes of infection when the intracellular...
Two low cytotoxic fluorescence probes Rb1 and Rb2 detecting Fe3+ were synthesized and evaluated. Rb1 and Rb2 exhibited an excellent selectivity to Fe3+, which was not disturbed by Ag+, Li+, K+, Na+, NH4+, Fe2+, Pb2+, Ba2+, Cd2+, Ni2+, Co2+, Mn2+, Zn2+, Mg2+, Hg2+, Ca2+, Cu2+, Ce3+, AcO−, Br−, Cl−, HPO42−, HSO3−, I−, NO3−, S2O32−, SO32− and SO42− ions. The detection limits were 1.87×10−7M for Rb1 and...
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