1. Du, X., Xie, H.; Qin, T.; Yuan, Y; Wang, N, Ultrasensitive optical detection of strontium ions by specific nanosensor with ultrahigh binding affinity, Nature Communications, 2024, 6530. (Impact Factor: 16.6)

2. Du, X., Wang, R.; Zhai, J; Xie, X, Surface PEGylation of Ionophore-based Microspheres Enables Determination of Serum Sodium and Potassium Ion Concentration Under Flow Cytometry, Analytical and Bioanalytical Chemistry, 2023, 415, 4233–4243. (Impact Factor: 4.478)

3. Du, X., Li N.; Chen, Q.; Wu, Z.; Zhai, J; and Xie, X.， Perspective on fluorescence cell imaging with ionophore-based ion-selective nano-optodes. Biomicrofluidics, 2022, 16, 031301. (Impact Factor: 3.258)

4. Du, X., Wang, Y.; and Xie, X, One-pot synthesized organosilica nanospheres for multiplexed fluorescent nanobarcoding and subcellular tracking. Nanoscale, 2022,14, 1787-1795. (Impact Factor：8.307)

5. Du, X.; Xie, X. Ion-Selective Optodes: Alternative Approaches for Simplified Fabrication and Signaling. Sens. Actuators B Chem. 2021, 335, 129368. (Impact Factor：9.221)

6. Du, X.; Zhai, J.; Li, X.; Zhang, Y.; Li, N.; Xie, X. Hydrogel-Based Optical Ion Sensors: Principles and Challenges for Point-of-Care Testing and Environmental Monitoring. ACS Sens. 2021, 6 (6), 1990–2001. (Impact Factor：9.618)

7. Wang, R.#, Du, X. #, Ma, X.; Zhai, J; Xie, X, Ionophore-based pH independent detection of ions utilizing aggregation-induced effects. Analyst, 2020, 145, 3846-3850. (Impact Factor：4.616)

8. Du, X.; Wang, R.; Zhai, J.; Li, X.; Xie, X. Ionophore-Based Ion-Selective Nanosensors from Brush Block Copolymer Nanodots. ACS Appl. Nano Mater. 2020, 3 (1), 782–788. (Impact Factor：6.140)

9. Du, X.; Zhai, J.; Zeng, D.; Chen, F.; Xie, X. Distance-Based Detection of Calcium Ions with Hydrogels Entrapping Exhaustive Ion-Selective Nanoparticles. Sens. Actuators B Chem. 2020, 319, 128300. (Impact Factor：9.221)

10. Du, X.; Huang, M.; Wang, R.; Zhai, J.; Xie, X. A Rapid Point-of-Care Optical Ion Sensing Platform Based on Target-Induced Dye Release from Smart Hydrogels. ChemComm. 2019, 55 (12), 1774–1777. (Impact Factor：6.065)

11. Du, X.; Yang, L.; Hu, W.; Wang, R.; Zhai, J.; Xie, X. A Plasticizer-Free Miniaturized Optical Ion Sensing Platform with Ionophores and Silicon-Based Particles. Anal. Chem. 2018, 90 (9), 5818–5824. (Impact Factor：8.008)

12. Du, X.; Zhu, C.; Xie, X. Thermochromic Ion-Exchange Micelles Containing H+ Chromoionophores. Langmuir 2017, 33 (23), 5910–5914. (Impact Factor：4.331)

13. Du, X.; Xie, X. Non-Equilibrium Diffusion Controlled Ion-Selective Optical Sensor for Blood Potassium Determination. ACS Sensors 2017, 2 (10), 1410–1414. (Impact Factor：9.618)