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- Title
Spectrally Combined Encoding for Profiling Heterogeneous Circulating Tumor Cells Using a Multifunctional Nanosphere‐Mediated Microfluidic Platform.
- Authors
Wu, Ling‐Ling; Zhang, Zhi‐Ling; Tang, Man; Zhu, Dong‐Liang; Dong, Xiao‐Juan; Hu, Jiao; Qi, Chu‐Bo; Tang, Hong‐Wu; Pang, Dai‐Wen
- Abstract
Comprehensive phenotypic profiling of heterogeneous circulating tumor cells (CTCs) at single‐cell resolution has great importance for cancer management. Herein, a novel spectrally combined encoding (SCE) strategy was proposed for multiplex biomarker profiling of single CTCs using a multifunctional nanosphere‐mediated microfluidic platform. Different cellular biomarkers uniquely labeled by multifunctional nanosphere barcodes, possessing identical magnetic tags and distinct optical signatures, enabled isolation of heterogeneous CTCs with over 91.6 % efficiency and in situ SCE of phenotypes. By further trapping individual CTCs in ordered microstructures on chip, composite single‐cell spectral signatures were conveniently and efficiently obtained, allowing reliable spectral‐readout for multiplex biomarker profiling. This SCE strategy exhibited great potential in multiplex profiling of heterogeneous CTC phenotypes, offering new avenues for cancer study and precise medicine.
- Subjects
DEPTH profiling; LABELS; BAR codes
- Publication
Angewandte Chemie, 2020, Vol 132, Issue 28, p11336
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201914468