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. 2016 Oct 24;8(10):378. doi: 10.3390/polym8100378
X Mean value of physical quantity X
XI, XII, XIII Values of physical quantity X in the cis (I), pore (II) and trans (III) regions
A Asphericity
α, δ Exponents for the scaling behavior of τNαEδ
δs Retardation
Cs Salt concentration
Dn Direct distance from the n-th monomer to the pore
D(s) Diffusion coefficient
E Strength of electric field (applied only inside the pore)
e Charge unit
(εbb, σbb), (εbw, σbw) Energy and length parameters of WCA potential for bead-bead (bb) and bead-wall (bw) interactions
fn tensile force on the n-th bond
I Ionic strength
G Gyration tensor
κ Inverse Debye length
k Spring constant of bond
kB Boltzmann constant
0 Equilibrium bond length
c Charge distance on the chain backbone
n Length of the n-th bond
p, p,0, p,e Persistence length, intrinsic and electrostatic persistence lengths
η Shape factor (=Re2/Rg2)
Λn Contour distance from the n-th monomer to the pore
λB Bjerrum length
λ1, λ2, λ3 Eigenvalues of the gyration tensor G
λ¯ Mean of the eigenvalues (λ¯=(λ1+λ2+λ3)/3)
m Mass unit of simulation
N Number of monomers of a chain
Nc(+1), Nc(1) Number of condensed (+1)-ions, number of condensed (1)-ions
Nm Number of monomers in a region
n, n˜ Monomer ID number, scaled n (n˜=n/N)
ϕ Azimuthal angle
P Prolateness
p(s,t) Probability density distribution
Re2 Square of the end-to-end distance
Rg2 Square of the radius of gyration
σ Length unit of simulation
σs, μs Fitting parameters for Equation (19)
s, s˜ Translocation coordinate, scaled s (s˜=s/N)
s*, s˜* Hump position of the w(s) function, scaled s* (s˜*=s*/N)
θ Polar angle
T Temperature
t, t˜ Time, scaled time (t˜=t/τ)
ts, t˜s Time needed to reach the translocation coordinate s, t˜s=ts/τ
τ Translocation time
τu Time unit of simulation
v(s), ves(s) Drift velocity, estimated drift velocity
v¯ Mean threading velocity (v¯=N/τ)
Ws, W˜s Full width at half maximum of a log-normal distribution, W˜s=Ws/τ
w(s), w˜(s˜) Waiting time function, normalized waiting time function
ξ Exponent for the scaling behavior of Δs2tξ
ζ Friction coefficient