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A Technical Breakthrough for Protein Sample Preparation (Solution-based vs. Spin Column-Based Technologies) Sample preparation is usually the first step for almost all protein work. The quality of such preparation is critical to successful protein analysis. The quality of protein sample dictates the quality of the experimental results. There is an increasing demand for high quality, small scale protein preparations for analytical purposes. As protein analysis has become more and more complex, the demand for adequate sample preparation techniques has likewise grown. Protein sample preparation is increasingly critical for people who work on proteomics, functional genomics, clinical studies, differential expression, protein...