31.  Zhang, T., Cao, J. J., Chow, J. C., Shen, Z. X., Ho, K. F., Ho, S. S. H., Liu, S. X., Han, Y. M., Watson, J. G., Wang, G. H., Huang, R. J.: Characterization and seasonal variations of PM2.5 levoglucosan in Xi’an, China. J. Air Waste Manage. Assoc., 64, 1317-1327, 2014. https://wwwtandfonline.53yu.com/doi/abs/10.1080/10962247.2014.944959

30.  Bandowe, B. A. M., Meusel, H., Huang, R. J., Ho, K. F., Cao, J. J., Hoffmann, T., Wilcke, W.: PM2.5-bound oxygenated PAHs, nitro-PAHs and parent-PAHs from the atmosphere of a Chinese megacity: Seasonal variation, sources and cancer risk assessment. Sci. Total. Environ., 473-474, 77-87, 2014. https://sciencedirect.53yu.com/science/article/abs/pii/S0048969713014125

29.  Huang, R. J., Zhang, Y. L., Bozzetti, C., Ho, K. F., Cao, J. J., Han, Y. M., Dällenbach, K. R., Slowik, J. G., Platt, S. M., Canonaco, F., Zotter, P., Wolf, R., Pieber, S. M., Bruns, E. A., Crippa, M., Ciarelli, G., Piazzalunga, A., Schwikowski, M., Abbaszade, G., Schnelle-Kreis, J., Zimmermann, R., An, Z. S., Szidat, S., Baltensperger, U., EI Haddad, I., Prévôt, A. S. H.: High secondary aerosol contribution to particulate pollution during haze events in China, Nature, 514, 218-222, 2014. (cites ˃3000) https://www.nature.com/articles/nature13774

28.  Sonibare, O. O., Huang, R. J., Nie, Y. Y., Kleine-Benne, E., Hoffmann, T., Foley, S. F.: Terpenoid composition and chemotaxonomic aspects of Cretaceous amber from the Koroglu mountains. J. Anal. Appl. Pyrol., 105, 100-107, 2014. https://sciencedirect.53yu.com/science/article/abs/pii/S0165237013002210

27.  Platt, S. M., El Haddad, I., Pieber, S. M., Huang, R. J., Zardini, A. A., Clairotte, M., Suarez-Bertoa, R., Barmet, P., Pfaffenberger, L., Wolf, R., Slowik, J. G., Fuller, S. J., Kalberer, M., Chirico, R., Dommen, J., Astorga, C., Zimmermann, R., Marchand, N., Hellebust, S., Temime-Roussel, B., Baltensperger, U., Prévôt, A. S. H.: Two-stroke scooters are a dominant source of air pollution in many cities, Nature Communications, 5, 3749, DOI: 10.1038/ncomms4749, 2014. https://www.nature.com/articles/ncomms4749?wptouch_preview_theme=enabled

26.  Ho, K. F., Engling, G., Ho, S. S. H., Huang, R. J., Lai, S. C., Cao, J. J., Lee, S. C.: Seasonal variations of anhydrosugars in PM2.5 in the Pearl River Delta region, China, Tellus B, 66, 22577, 2014. https://wwwtandfonline.53yu.com/doi/abs/10.3402/tellusb.v66.22577

25.  Thorenz, U. R., Carpenter, L. J., Huang, R. J., Kundel, M., Bosle, J., Hoffmann, T.: Emission of iodine containing volatiles by selected microalgae species, Atmos. Chem. Phys., 14, 13327-13335, 2014. https://acp.copernicus.org/articles/14/13327/2014/

24.  Zotter, P., Ciobanu, V. G., Zhang, Y. L., El-Haddad, I., Macchia, M., Daellenbach, K. R., Salazar, G. A., Huang, R. J., Wacker, L., Hueglin, C., Piazzalunga, A., Fermo, P., Schwikowski, M., Baltensperger, U., Szidat, S., Prévôt, A. S. H.: Radiocarbon analysis of elemental and organic carbon in Switzerland during winter-smog episodes from 2008 to 2012 – Part 1: Source apportionment and spatial variability, Atmos. Chem. Phys. 14, 13551-13570, 2014. https://acp.copernicus.org/articles/14/13551/2014/

23.   Wang, Q. Y., Huang, R. J., Cao, J. J., Han, Y. M., Wang, G. H., Li, G. H., Wang, Y. C., Dai, W. T., Zhou, Y. Q: Mixing state of black carbon aerosol in a heavily polluted urban area of China: Implications for light absorption enhancement, Aerosol Sci. Technol., 48, 689-697, 2014. https://wwwtandfonline.53yu.com/doi/abs/10.1080/02786826.2014.917758

22.  Huang, R. J.*, Li, W. B., Wang, Y. R., Wang, Q. Y., Jia, W. T., Ho, K. F., Cao, J. J., Wang, G. H., Chen, X., EI Haddad, I., Zhuang, Z. X., Wang, X. R., Prévôt, A. S. H., O’Dowd C. D., Hoffmann, T.: Determination of aliphatic amines in atmospheric aerosol particles: A comparison of gas chromatography-mass spectrometry and ion chromatography approaches, Atmos. Meas. Tech., 7, 2027-2035, 2014. https://amt.copernicus.org/articles/7/2027/2014/

21.   Xiao, S., Wang, Q. Y., Cao, J. J., Huang, R. J., Chen, W. D., Han, Y. M., Xu, H. M., Liu, S. X., Zhang, J. Q., Zhang, C. L.: Long-term trends in visibility and impacts of aerosol composition on visibility impairment in Baoji, China, Atmos. Res., 149, 88-95, 2014. https://sciencedirect.53yu.com/science/article/pii/S0169809514002427

20.  Zhang, Y. L., Li, J., Zhang, G., Zotter, P., Huang, R. J., Tang, J. H., Wacker, L., Prevot, A. S. H., Szidat, S.: Radiocarbon-based source apportionment of carbonaceous aerosols at a regional background site on Hainan Island, South China. Environ. Sci. Technol., 48, 2651-2659, 2014. https://pubsacs.53yu.com/doi/abs/10.1021/es4050852

19.  Wang, Q. Y., Schwarz, J. P., Cao, J. J., Gao, R. S., Fahey, D. W., Hu, T. F., Huang, R. J., Han, Y. M., Shen, Z. X.: Black carbon aerosol characterization in a remote area of Qinghai-Tibetan Plateau, western China. Sci. Total. Environ. 479-480, 151-158, 2014.  https://sciencedirect.53yu.com/science/article/pii/S0048969714001260

18.  Ho, K. F., Ho, S. S. H., Dai, W. T., Cao, J. J., Huang, R. J., Tian, L. W., Deng, W. J.: Seasonal variations of mono- and di-carbonyls in urban and sub-urban area of Xi’an, China. Environ. Monit. Assess., 186, 2835-2849, 2014. http://www.klacp.ac.cn/kycg/scilw/201503/W020150320544308197263.pdf