The description of compounds and interactions between atoms is one of the basic objectives of chemistry. Admittedly, chemical bonding models, which describe these properties very well, already exist.

By Bathe, Mark; Rutledge, Gregory C; Grodzinsky, Alan J; Tidor, Bruce ABSTRACT The osmotic pressure of chondroitin sulfate (CS) solution in contact with an aqueous 1:1 salt reservoir of fixed ionic strength is studied using a recently developed coarse-grained molecular model.