L. L. Cong, Y. J. Geng, Y. Tian, Z. P. Huo, D. S. Huang, C. Y. Liang, W. Q. Xu, Y. L. Wang, S. P. Xu* Plasmon-Enhanced Four-Wave Mixing Imaging for Microdroplet-Based Single-Cell Analysis, Anal. Chem.  2020, 92, 9459-9464 (*Corresponding author).

Z. P. Huo, G. Chen, Y. J. Geng, L. L. Cong, X. Zhang, W. Shi, C. Y. Liang, W. Q. Xu, S. P. Xu* A two-photon fluorescence, carbonized polymer dot (CPD)-based, wide range pH nanosensor: a view from the surface state, Nanoscale, 2020, 12, 9094-9103.

D. Sun, F. H. Cao, W. Q. Xu, Q. D. Chen, W. Shi, S. P. Xu*, Ultrasensitive and simultaneous detection of two cytokines secreted by single cell in microfluidic droplets via magnetic-field amplified SERS, Anal. Chem., 2019, 91, 2551−2558.

D. Sun, F. H. Cao, L. L. Cong, W. Q. Xu, Q. D. Chen, S. P. Xu*, Cellular Heterogeneity Identified by Single-Cell Alkaline Phosphatase (ALP) via a SERRS-Microfluidic Droplet Platform, Lab on a Chip., 2019, 19, 335−342.

Y. T. Shen, L. J. Liang, S. Q. Zhang, D. S. Huang, J. Zhang, S. P. Xu*, C. Y. Liang, W. Q. Xu, Organelle-targeting Surface-Enhanced Raman Scattering (SERS) Nanosensors for Subcellular pH Sensing, Nanoscale, 2018, 10, 1622−1630. (Selected as Front Cover)

R. Deng, H.-X. Qu, L.-J. Liang, J. Zhang, B.-Y. Zhang, D.-S. Huang, S.-P. Xu*, C.-Y Liang*, W.-Q. Xu. Tracing the therapeutic process of targeted aptamer/drug conjugate on cancer cells by surface-enhanced Raman scattering spectroscopy, Anal. Chem., 2017, 89, 2844−2851.

L.-J. Liang, H.-X. Qu, B.-Y. Zhang, J. Zhang, R. Deng, Y.-T. Shen, S.-P. Xu*, C.-Y Liang*, W.-Q. Xu. Tracing sialoglycans on cell membrane via surface-enhanced Raman scattering spectroscopy with a phenylboronic acid-based nanosensor in molecular recognition, Biosens. Bioelectron., 2017, 94, 148−154.