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Breast cancer (BC) is a major global health problem, with ≈20–25% of patients overexpressing human epidermal growth factor receptor 2 (HER2), an aggressive marker, yet access to early detection and treatment varies across countries. A low‐cost, equipment‐free, and easy‐to‐use polydiacetylene (PDA)‐based colorimetric sensor is developed for HER2‐overexpressing cancer detection, designed for use in...
Colorimetric Detection
In article number 2307262, Eun‐Kyung Lim, Seungjoo Haam, and co‐workers illustrate that blue HER2‐MPDA combines with HER2 overexpressing exosomes, changes color to red, and is captured and separated by a magnet. Magnetically concentrated red HER2‐MPDA can be seen with the naked eye. The left side is colored red to distinguish it from the blue right side.
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