1.       Cao, L. N. Y., and Pui, D.Y. (2020). Real-time measurements of particle geometric surface area by the weighted sum method on a university campus. Aerosol and Air Quality Research, doi: 10.4209/aaqr.2019.12.0621.

2.       Su, L., Ou, Q., Cao, L. N., Du, Q., & Pui, D. Y. (2019). Real-time measurement of nano-agglomerate and aggregate mass and surface area concentrations with a prototype instrument. Aerosol Science and Technology, 53(12), 1453-1467.

3.       Su, L., Ou, Q., Cao, L. N., Du, Q., & Pui, D. Y. (2019). A new instrument prototype to measure the geometric surface area of nanoparticles with a time resolution of 1s. Journal of Aerosol Science, 132, 32-43.

4.       Cao, L. N. Y., & Pui, D. Y. H. (2018). A novel weighted sum method to measure particle geometric surface area in real-time. Journal of Aerosol Science, 117, 11-23.

5.       Cao, L. N. Y., Chen, S.-C., Fissan, H., Asbach, C., & Pui, D. Y. H. (2017). Development of a geometric surface area monitor (GSAM) for aerosol nanoparticles. Journal of Aerosol Science, 114, 118-129.

6.       Cao, L. N. Y., Wang, J., Fissan, H., Pratsinis, S. E., Eggersdorfer, M. L., & Pui, D. Y. H. (2015). The capacitance and charge of agglomerated nanoparticles during sintering. Journal of Aerosol Science, 83(0), 1-11.

7.       Li, N., Fu, T. M., Cao, J. J., Zheng, J. Y., He, Q. Y., Long, X., Z. Z. Zhao, N.Y. Cao, J.S. Fu, & Lam, Y. F. (2015). Observationally-constrained carbonaceous aerosol source estimates for the Pearl River Delta area of China. Atmospheric Chemistry and Physics Discussions, 15(22), 33583-33629.

8.       Huang, Y., Lee, S. C., Ho, K. F., Ho, S. S. H., Cao, N., Cheng, Y., & Gao, Y. (2012). Effect of ammonia on ozone-initiated formation of indoor secondary products with emissions from cleaning products. Atmospheric environment, 59, 224-231.

9.      Cao, L. N. Y., Cao, J., Lee, S., Zhang, Y., & Tie, X. (2012). Numerical simulation of the micro environment in the Han Yang Mausoleum Museum. Aerosol and Air Quality Research, 12(4), 544-552.