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In article number 1804890, Zhi Zhu and co‐workers realize visual quantitative detection of circulating tumor cells (CTCs) using a portable volumetric bar chart chip (V‐Chip) with singlecell sensitivity. The target CTCs are labeled with aptamer conjugated nanoparticles that can catalyze the generation of oxygen for the movement of an ink bar in the V‐Chip. The CTC number is quantified by the distance...
Immunocytological technologies, molecular technologies, and functional assays are widely used for detecting circulating tumor cells (CTCs) after enrichment from patients' blood sample. Unfortunately, accessibility to these technologies is limited due to the need for sophisticated instrumentation and skilled operators. Portable microfluidic devices have become attractive tools for expanding the access...
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