5. Gu, C.; Karthikeyan, K.G. Sorption of the antibiotic tetracycline to humic-mineral complexes. J. Environ. Qual.2008,37, 704-711.
6. Gu, C.; Karthikeyan, K.G.; Sibley, S.D.; Pedersen, J.A. Complexation of the antibiotic tetracycline with humic acid. Chemosphere2007, 66, 1494-1501.
7. Gu, C.; Karthikeyan, K.G. Sorption of the antimicrobial ciprofloxacin to aluminum and iron hydrous oxides. Environ. Sci. Technol.2005, 39, 9166-9173.
8. Gu, C.; Karthikeyan, K.G. Interaction of tetracycline with aluminum and iron hydrous oxides. Environ. Sci. Technol.2005,39, 2660-2667.
9. Yu, K.;Gu, C.; Boyd, S.A.; Liu, C.; Sun, C.; Teppen, B.J.; Li, H. Rapid and extensive debromination of decabromodiphenyl ether by smectite clay-templated subnanoscale zero-valent iron. Environ. Sci. Technol. 2012, 46, 8969- 8975. 10. Jia, H.Z.;Gu, C.; Li, H.; Fan, X.Y.; Li, S.Z.; Wang, C.Y. Effect of groundwater geochemistry on pentachlorophenol remediation by smectite-templated nanosized Pd0/Fe0. Environ. Sci. Pollut. Res.2012, 19, 3498-3505.
11. Yu, X.; Mu, C.; Gu, C.; Liu, X. Impact of woodchip biochar on the sorption and dissipation of pesticide acetamiprid in soils. Chemosphere2011, 85(8),1284-1289.
12. Ding, Y.J.; Zhang, W.H.; Gu, C.; Xagoraraki, I.; Li, H. Determination of pharmaceuticals in biosolids using pressurized liquid extraction and liquid chromatography/tandem mass spectrometry.J. Chromatogr. A. 2011, 1281, 10-16.
13. Jia, H.Z.; Gu, C.; Boyd, S.A.; Teppen, B.J.; Song, C.Y.; Li, H. Comparison of reactivity of nanoscaled zero-valent iron formed on clay surfaces. Soil Sci. Soc. Am. J.2011, 75, 357-364.
專利 Boyd, S.A.; Gu, C.; Nederveld, G.A. Methods for synthesizing carbonyl compounds from benzenoid compounds. U.S. Patent Application, serial no. 61/230,946.
Li, H.;Gu, C.; Boyd, S.A. Synthesize highly reactive subnano-sized zero-valent iron using smectite clay templates. U.S. Patent Pub. No. US. 2011/0130575 A1.
應邀報告 “Octachlorodibenzodioxin formation on Fe (III)-montmorillonite clay”, Department of Natural Resource and Environmental Science, Alabama A&M University, Oct. 2008.
“Spectroscopic and ab initio studies of reaction of pentachlorophenol on Fe (III)-montmorillonite clay surface”, Michigan Environmental Laboratory Association Meeting, Jan. 2009.
學術會議報告 1. Boyd, S.A.; Teppen, B.J.; Johnston, C.T.; Li, H.; Gu, C. Novel route to natural formation of polychlorodibenzo-p-dioxins on smectite clay surfaces. Poster presentation at the USDA NRI Soil Processes Project Director Meeting, June 2-3, 2010, Washington, D.C.
2. Gu, C.; Liu, C.; Johnston, C. T.; Teppen, B. J.; Li, H. Spectroscopic and DFT studies of pentachlorophenol reactions on Fe(III)-montmorillonite clay surfaces. Goldschmidt Conference, June 13-18, 2010, Knoxville, TN.
3. Gu, C.; Jia, H.Z.; Li, H.; Boyd, S.A.; Teppen, B.J. Synthesis of highly reactive subnano-sized zero-valent iron using smectite clay templates. Oral presentation at the SETAC Asia Pacific 2010 Annual Meeting, June 4-7, 2010, Guangzhou, China.
4. Gu, C.; Jia, H.Z.; Boyd, S.A.; Teppen, B.J.; Li, H. Smectite clays used as templates to synthesize subnano-sized zero-valent iron for reduction of organic contaminants. Oral presentation at the 2009 ASA-CSSA-SSSA International Annual Meetings, Nov. 1-5, 2009, Pittsburgh, PA.
5. Gu, C.; Li, H.; Teppen, B. J.; Boyd, S. A. 2,3,7,8-tetrachlorodibenzodioxin formation on Fe(III)-montmorillonite clay. Poster presentation at the 2009 ASA-CSSA-SSSA International Annual Meetings, Nov. 1-5, 2009, Pittsburgh, PA.
6. Jia, H. Z.; Gu, C.; Boyd, S. A.; Teppen, B. J.; Li, H. Reactivity and availability of subnano-sized zero-valent iron present in smectite interlayers. Oral presentation at the 2009 ASA-CSSA-SSSA International Annual Meetings, Nov. 1-5, 2009, Pittsburgh, PA.
7. Nederveld, G. A.; Gu, C.; Boyd, S. A. Novel on-step synthesis of 9H-fluoren-9-one from biphenyl using montmorillonite clay. Oral presentation at the 2009 ASA-CSSA-SSSA International Annual Meetings, Nov. 1-5, 2009, Pittsburgh, PA.
8. Gu, C.; Li, H.; Teppen, B. J.; Boyd, S. A. Highly reactive subnano-sized zero-valent iron synthesized on smectite clay templates. Poster presentation at 2009 Partners in Environmental Technology Technical Symposium & Workshop, Department of Defense, December 1-3, 2009, Washington, D.C.
9. Gu, C.; Liu, C.; Rana, K.; Li, H.; Teppen, B.; Boyd, S.; Johnston, C. Spectroscopic study of reaction of pentachlorophenol on Fe(III)-montmorillonite clay surface. Poster presentation at the 2008 ASA-CSSA-SSSA International Annual Meetings, Oct. 5-9, 2008, Houston, TX.
10. Gu, C.; Li, H.; Teppen, B.J.; Boyd, S.A. Octachlorodibenzodioxin formation on smectite clay. Poster presentation at the 236th ACS National Meeting, Aug. 17-21, 2008, Philadelphia, PA.
11.Gu, C.; Li, H.; Teppen, B.J.; Boyd, S.A. Natural formation of polychlorinated dibenzo-p-dioxin on clay surfaces. Oral presentation at the 2007 ASA-CSSA-SSSA International Annual Meetings, Nov. 4-8, 2007, New Orleans, LA.
12. Gu, C.; Karthikeyan, K.G. Interaction of tetracycline with dissolved humic substances. Oral presentation at the 2005 ASA-CSSA-SSSA International Annual Meetings, Nov. 6-10, 2005, Salt Lake City, UT.
13. Gu, C.; Karthikeyan, K.G. Interaction of ciprofloxacin with aluminum and iron hydrous oxides. Oral presentation at the 4th International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Oct. 13-15, 2004, Minneapolis, MN.
14. Gu, C.; Karthikeyan, K.G. Sorption of tetracycline to iron and aluminum hydrous oxides. Oral presentation at the 228th ACS National Meeting, Aug. 22-26, 2004, Philadelphia, PA.
15. Gu, C.; Karthikeyan, K.G. Interaction of tetracycline and fluoroquinolone antibiotics with inorganic minerals. Oral presentation at the 2004 ASAE International Annual Meetings, Aug. 1-4, 2004, Ottawa, Ontario, Canada.
16. Gu, C.; Karthikeyan, K.G. Sorption of tetracycline and fluoroquinolone antibiotics to inorganic mineral surfaces. Poster presentation at the SETAC North America 24th Annual Meeting, Nov. 9-13, 2003, Austin, TX.