Scaled absorption spectrum of the signal current as a function of the detuning Δs and energy level diagram of the coupled system. (a) Scaled absorption spectrum of the signal current as a function of the detuning Δs without landing any masses on the NR. (b) The energy level diagram of the CPB coupled to an NR. (c) Signal absorption spectrum as a function of Δs before (black solid line) and after (red dashed line) a binding event of ~ 10 functionalized 1587 bp long dsDNA molecules. Frequency shift of 95 kHz can be well resolved in the spectrum. Other parameters used are ωn = 835 MHz, λ0 = 0.01, Δc = 0, Q = 5000, T1 = 0.25 μs, T2 = 0.05 μs, and Ωc = 3.
Jiang et al. Nanoscale Research Letters 2011 6:570 doi:10.1186/1556-276X-6-570