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Tubes are specifically designed for use in proteomics or genomics, where samples tend to very small Tubes improve recovery by reducing sample-to-tube binding without the use of any additives or coatings, such as silicone. A combination of specially developed technology and the purest, select polypropylene results in less tube binding (less than 3% with a BSA of 1g/mL for protein tubes). In addition, enzymes remain active and are not denatured by any surface interactions. All tubes are certified DNase-, RNase-, and ATP-free and feature a Safe-Lock lid. They have a high degree of transparency and genomic tubes are rated to 25,000g.