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Fig. 7 | PhotoniX

Fig. 7

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

Fig. 7

a Ti2CTx served as bio-sensing material for detecting HPV-18 type DNA [106]. b Fluorescence spectra of the Ti3C2Tx NSs-based fluorescence sensor under different conditions [106]. c Variation of the fluorescence spectra at different concentrations of target DNA [106]. Copyright 2019, Elsevier. d TEM and AFM images of Ti2CTx MXene quantum dots (QDs) [107]. Copyright 2017, American Chemical Society. e Fluorescence spectra of Ti3C2Tx MXene QDs after adding different metal ions [108]. Copyright 2019, Elsevier. f Fluorescence spectra of the PEI- Ti3C2Tx QDs at different pH buffer solutions [109]. Copyright 2018, Royal Society of Chemistry. g Fluorescence spectra of the N, P-Ti3C2Tx QDs with different concentrations of Cu2+ ranging from 0 to 5000 μM [110]. Copyright 2019, Royal Society of Chemistry

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