The halogen bond is a non-covalent, stabilizing interaction analogous to a hydrogen bond in which an anisotropically polarized halogen atom interacts
electrostatically with a Lewis base. Until very recently, the ability of halogens to form these stabilizing interactions in biological macromolecules was all but unknown, but
examples of halogen bonding...
A microfluidic nanofiltration module has been designed, fabricated and applied to the continuous-flow, pressure-driven, post-synthetic purification of macromolecules and nanoparticles via diafiltration using a commercially available organic solvent resistant nanofiltration membrane, STARMEM 122. This module will readily interface with other microscale components within a
"nanofactory" for the rapid synthesis, purification...
Methods are presented to acquire data from analytical ultracentrifugation experiments
by computer using the absorption optical scanning system of the Beckman Model-E
ultracentrifuge. A computer program was written which analyzes sedimentation velocity
experiments by the van Holde - Weischet method and by the second moment method. The van
Holde -...