Profile: The Nest Group Inc. focuses on dialysis and chromatographic separations of proteins, peptides, nucleic acids & pharmaceutical molecules. We offer HPLC columns for protein & peptide analysis, minispin columns, ultra microtip columns micro-SPE & desalting kits. cerex filtration/drying manifolds & SPE cartridges for purification & recovery, polymeric IEX columns and ion exchange columns. We also offer reusable & disposable dialyzer, and equilibrium dialyzer.