A NIR-IIb-excited capsule endoscope enabling high-contrast fluorescence imaging via spectrally-isolated detection for early-stage gastrointestinal cancer.

J Nanobiotechnology · 2026 · PMC13255310 · PMID 42035111

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a decreasing trendno p-value reported

Although the contrast ratio exhibited a decreasing trend with increasing depth, all measurements remained above 0.7, with values exceeding 0.9 at depths shallower than 4 mm.

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