Digital ProteomeChip Fractionator - Simplified Protein Sample Fractionation Data quality is greatly affected by upstream sample processing and downstream data analysis. Cell Biosciences digital ProteomeChip (dPC®) Fractionator improves both sample prep and data analysis using a unique, chip-based sample fractionation technology and software that ensures the highest level of protein discovery from precious biological samples. dPC Sample Fractionation from the Digital ProteomeChip Fractionator, features include: