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Integrated Blood Barcode Chips

Fan, R., Vermesh, O., Srivastava, A. et al.

Blood comprises the largest version of the human proteome. Changes of plasma protein profiles can reflect physiological or pathological conditions associated with many human diseases, making blood the most important fluid for clinical diagnostics. Nevertheless, only a handful of plasma proteins are utilized in routine clinical tests. This is due to a host of reasons, including the intrinsic complexity of the plasma proteome, the heterogeneity of human diseases and the fast kinetics associated with protein degradation in sampled blood. Simple technologies that can sensitively sample large numbers of proteins over broad concentration ranges, from small amounts of blood, and within minutes of sample collection, would assist in solving these problems. Herein, we report on an integrated microfluidic system, called the Integrated Blood Barcode Chip (IBBC). It enables on-chip blood separation and the rapid measurement of a panel of plasma proteins from small quantities of blood samples including a fingerprick of whole blood. This platform holds potential for inexpensive, non-invasive, and informative clinical diagnoses, particularly, for point-of-care.

Citation

Fan, R., Vermesh, O., Srivastava, A. et al. "Integrated Blood Barcode Chips" Nature Biotechnology (2008): 1,373–8