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Open tubular CEC (OT‐CEC) column with a very high separation efficiency was prepared for peptides separation. A pretreated silica‐fused capillary was reacted with 3‐(methacryloxy) propyltrimethoxysilane followed by vinylbenzyl chloride and divinylbenzene to produce first thin monolithic monolayer. The second copolymer layer was formed on thin monolithic monolayer of the capillary by reversible addition‐fragmentation...
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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