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Fig. 9 | PhotoniX

Fig. 9

From: MXene sensors based on optical and electrical sensing signals: from biological, chemical, and physical sensing to emerging intelligent and bionic devices

Fig. 9

a Fabrication and modification of Ti3C2Tx NSs for the detection of Ag+ ions [151]. b UV − vis absorption spectra of Ag+ ions, Ti3C2Tx − PAA, and Ag nanoparticles@Ti3C2Tx − PAA [151]. c UV − vis absorption spectra of Ti3C2Tx − PAA reacted with different concentrations of Ag+ [151]. Copyright 2020, American Chemical Society. d Fabrication of the Ti3C2Tx NSs-based colorimetric sensor for hepatitis B virus DNA sensing [152]. e Absorption spectra of the Ti3C2Tx NSs-based colorimetric sensor at different concentrations of target hepatitis B virus DNA [152]. Copyright 2022, Academic Press Inc. f The size of Ti3C2Tx MXene QDs [135]. g Absorbance ratio of the N, P −  Ti3C2Tx QDs − based colorimetric sensor at different concentrations of NO2− (4 – 85 μM) [135]. Copyright 2022, Elsevier. h Absorbance ratio of the glutathione (GSH) functionalized Ti3C2TX QDs − based colorimetric sensor for the selective detection of uric acid [115]. Copyright 2020, Elsevier

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