Symbols
\[
\begin{array}{ll}
\hline
\textbf{Symbol} & \textbf{Meaning} \\
\hline
A, Abs & \text{absorbance} \\
\beta & \text{density gradient constant} \\
\lambda & \text{wavelength} \\
\sigma & \text{standard deviation}\\
\bar\nu & \text{partial specific volume} \\
\omega & \text{angular velocity} \\
c & \text{sample concentration}\\
c_{0} & \text{initial sample concentration} \\
D & \text{diffusion coefficient} \\
\epsilon & \text{molar absorptivity} \\
f & \text{frictional coefficient} \\
f/f_{0}, k & \text{frictional ratio} \\
F_{b} & \text{bouyant force}\\
F_{f} & \text{frictional force } \\
F_{c} & \text{centrifugal force} \\
I & \text{intensity of light}\\
J & \text{fringes} \\
K & \text{Temperature}\\
m & \text{mass of sample} \\
M & \text{molar mass} \\
n & \text{refractive index} \\
r & \text{radial distance from axis of rotation} \\
s & \text{sedimentation coefficient} \\
S & \text{Svedberg unit} \\
t & \text{experimental time}\\
v & \text{sedimentation velocity} \\
V & \text{volume} \\
\hline
g & \text{acceleration due to gravity} \\
k_{B} & \text{Boltzmann constant} \\
N_{A} & \text{Avogadro's number}\\
R & \text{universal gas constant} \\
\hline
c(s) & \\
g(s) & \text{differential sedimentation coefficient distribution} \\
G(s) & \text{integral sedimentation coefficient distribution}\\
w(M) & \text{differential molar mass distribution} \\
W(M) & \text{integral molar mass distribution} \\
\end{array}
\]
Abbreviations
\[
\begin{array}{ll}
\text{2DSA} & \text{2-dimensional spectrum analysis} \\
\text{ABDE} & \text{analytical buoyant density equilibrium}\\
\text{ASTFEM} & \text{} \\
\text{AU} & \text{absorbance unit}\\
\text{AUC} & \text{analytical ultracentrifugation} \\
\text{CCH} & \text{Canadian Center for Hydrodynamics} \\
\text{CI} & \text{confidence interval} \\
\text{DLS} & \text{dynamic light scattering} \\
\text{GA} & \text{genetic algorithm} \\
\text{GMP} & \text{good manufacturing practices} \\
\text{L-M} & \text{Levenberg- Marquardt}\\
\text{MWL} & \text{multi-wavelength} \\
\text{NNLS} & \text{non-linear(ly constrained) least squares}\\
\text{OD} & \text{optical density}\\
\text{PCSA} & \text{parametrically constrained spectrum analysis}\\
\text{PM} & \text{photomultiplier} \\
\text{RMSD} & \text{root mean square deviation}\\
\text{RCF} & \text{relative centrifugal field }\\
\text{RPM} & \text{revolutions per minute} \\
\text{SE} & \text{sedimentation equilibrium}\\
\text{SNR} & \text{signal-to-noise ratio}\\
\text{SV} & \text{sedimentation velocity}\\
\text{UV} & \text{ultra-violet} \\
\text{vHW} & \text{van Holde-Weischet} \\
\end{array}
\]