Concentration Systems

Download the Protein Sample Preparation Handbook


Many research applications require concentration of dilute protein solutions. Protein solutions may be concentrated by precipitation, chromatographic capture and elution, or by lyophilization.  A disadvantage of lyophilization is non-protein agents are concentrated along with the protein and these may interfere with subsequent downstream applications.
G-Biosciences offers a selection of protein concentration kits suitable for concentrating proteins for running gels, raising antibodies, protein purification, protein assays and other applications.  Proteins concentrated with these kits are suitable for the majority of downstream applications.

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The Column-PROTEIN-Concentrate™ kit has been specifically developed for concentration of those proteins that cannot be concentrated either by precipitation or other techniques. The kit is based ..

Concentrator Solution

Concentrator Solution is a novel liquid polymer for the rapid concentration of dilute protein solutions with zero loss, using dialysis.   Simply transfer your dilute protein solution to a d..


The OrgoSol-PROTEIN-Concentration™ kit precipitates protein with a proprietary solvent buffer, OrgoSol™. The OrgoSol™ buffer has been specifically developed for efficient precipitati..


Tube-O-CONCENTRATOR™ is a versatile concentration device that utilizes a novel, water absorbing, liquid polymer and our patented Tube-O-DIALYZER™ for the rapid concentration of dilute prot..

UPPA-I & II Pack

Our Universal Protein Precipitation Agent, commonly known as UPPA™, has been specifically designed for the quantitative concentration of protein solutions as dilute as 1ng/ml into a small volume..

UPPA-PROTEIN-Concentrate™ provides an interactive version of this protocol where you can discover and share optimizations with the research community.    The UPPA-PROTEIN Concentrate™ kit use..