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A deep tissue optical sensing

A frequency filtering method can efficiently remove the autofluorescence background and light scattering during in vivo visible and near-infrared experiments.

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Fig. 1: A schematic showing principle of the wavelength-induced frequency filtering (WIFF) method and its superiority for in vivo optical sensing2.


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Correspondence to Fan Zhang.

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Lu, L., Zhang, F. A deep tissue optical sensing. Nat. Nanotechnol. 17, 566–568 (2022).

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