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Scheme 1 | Journal of Nanobiotechnology

Scheme 1

From: A micro-/nano-chip and quantum dots-based 3D cytosensor for quantitative analysis of circulating tumor cells

Scheme 1

Schematic representation of the integrated fabrication of 3D cytosensor and electrochemical detection of CTCs. af Fabrication procedure of the Ni micropillars on the ITO glass. g Fabrication of electrospun PLGA nanofibers on Ni micropillars. h CTCs were captured and i QDs-anti-EpCAM antibody conjugates were recognized. j The amplification of captured CTC and k SEM image of CTC in microenvironment. m, n Principles of electrochemical assay

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