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Fig. 8 | Journal of Nanobiotechnology

Fig. 8

From: A pump-free and high-throughput microfluidic chip for highly sensitive SERS assay of gastric cancer-related circulating tumor DNA via a cascade signal amplification strategy

Fig. 8

Application potential in preclinical samples. A SERS spectra of PIK3CA E542K and TP53 in healthy controls. B Corresponding histogram of intensities at 1083 cm− 1 and 1330 cm− 1. C SERS spectra of PIK3CA E542K and TP53 in tumour-bearing mouse serum. D Corresponding histogram of intensities at 1083 cm− 1 and 1330 cm− 1

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Journal of Nanobiotechnology

ISSN: 1477-3155

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