4.5 Article

Picomolar detection of carcinoembryonic antigen in whole blood using microfluidics and surface-enhanced Raman spectroscopy

Journal

ELECTROPHORESIS
Volume 37, Issue 5-6, Pages 786-789

Publisher

WILEY
DOI: 10.1002/elps.201500535

Keywords

Carcinoembryonic antigen; Microfluidics; SERS; Magnetic nanoparticles

Funding

  1. National Key Scientific Instrument and Equipment Development Project, China [2011YQ03012404]
  2. State Project for Essential Drug Research and Development, China [2013ZX09507005001]
  3. National Natural Science Foundation, China [81171486]

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Carcinoembryonic antigen (CEA) is a wide-spectrum biomarker. Clinically, we generally use serum sample to detect CEA, which needs to be centrifuged to pretreat the raw blood sample. In this study, we realized direct CEA detection in raw blood samples exploiting microfluidics. The LOD was as low as 10(-12) M.

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