Publications

Refereed Journal Articles
*indicates corresponding author and underline indicates graduate students under my guidance.

• Xie, W., K. Vu, G. Yang, K.Tawfiq and G. Chen*, 2014, E. coli growth and transport in the presence of nanosilver under variable growth conditions. Environ. Technol., in press (DOI: 10.1080/09593330.2014.902112).
• Renfro, T., W. Xie, G. Yang and G. Chen*, 2014, Rhamnolipid surface thermodynamic properties and transport in agricultural soil, Colloid Surface B., 115, 3 17-322.
• Hendrix, M., K. Tawfiq and G. Chen*, 2014, Correlation of water quality indicators for coastal marshes, Int. J. Water, in press.
• Liu, J., K. Tawfiq and G. Chen*, 2013, Nitrous oxide emission from agricultural soils, Int. J. of Global Warming, in press.
• Lee, Y., L. Martin, P. Grasel, K. Tawfiq and G. Chen*, 2013, Power generation and nitrogen removal of landfill leachate using microbial fuel cell technology, Environmental Technology, 34, 2727-2736.
• Hendrix, M., P. Grasel, L. Martin, K. Tawfiq and G. Chen*, 2013, Ammonia removal from landfill leachate by struvite precipitation/coated silica sand filtration, Int. J. Environment and Waste Management, in press.
• Chen, G*., Y. Niu, K. Tawfiq and B. Wang, 2013, Colloidal Release and Transport in the Agricultural Soil, J. Urban Environ. Engr., in press.
• Rolle, K., M. Gitau, G. Chen and A. Chauhan, 2012, Assessing fecal coliform fate and transport in a coastal watershed using HSPF, Water Sci. Technol., 66, 1096-1102.
• Chen, G. and M. Flury, 2012, Erratum to "Retention of mineral colloids in unsaturated porous media as related to their surface properties". Colloid Surface A., 289, 245-255.
• Chen, G., 2012, S. Typhimurium and E. coli O157:H7 retention and transport in agricultural soil during irrigation practices, Eur. J. Soil Sci, 63, 239-248.
• Patil, S., K. Tawfiq and G. Chen*, 2012, Colloid release and E. coli transport in intact agricultural soil columns, J. Urban Environ. Engr, 6 (2), 78-85.
• M. Williams, P. Subramanian and G. Chen*, 2012, Soil and microbial characterization and microbial mediated iron release nearby landfills in Northwest Florida, U.S., Int. J. Environ. Waste Manage., 10, 56-69.
• Subramaniam, P., L. Martin, P. Grasel, P., K. Tawfiq and G. Chen*, 2012, Landfill leachate treatment and energy generation using microbial fuel cell, Int. J. Environ. Engr., 4, 269-282.
• Patil, S., K. Tawfiq and G. Chen*, 2011, Colloid release and transport from agricultural soil as impacted by solution chemistry, J. Urban Environ. Engr, 5 (2) 84-90.
• Mao, Y., P. Subramaniam, K. Tawfiq and G. Chen*, 2011, Microbial biofouling: A mechanistic investigation, J. Adhes. Sci. Technol., 25, 2155-2168.
• Chen, G*, 2011, Nonionic surfactant behavior in ionic liquids, e-J. Surf. Sci. Nanotech., 9, 340-394.
• Subramaniam, P., L. Martin, P. Grasel, K. Tawfiq and G. Chen, 2010, Iron Reduction and Adsorption on Shewanellaputrefaciens nearby Landfills in Northwest Florida. J. Environ. Sci. Eng., 4, 60 to 69.
• Yang, K., Z. Li, H. Zhang, J. Qian and G. Chen*, 2010, Municipal wastewater phosphorus removal by coagulation. Environ. Technol., 31, 601-609.
• Chen, G., A. Driks, K. Tawfiq, M. Mallozzi and S. Patil, 2010, Bacillus anthracis and Bacillus subtilis spore surface properties and transport. Colloid Surface B, 76, 512-518.
• Chen, G.*, P. Subramanian and K. Tawfiq, 2010, Bacterial deposition in unsaturated porous media as related to surface properties. Int. J. Environ. Pollut.,40, 363-379.
• Liu, J., P. Subramanian, L. Martin, P. Grasel and G. Chen*, 2010, E. coli O157: H7 desorption by rhamnolipidbiosurfactant in water-unsaturated porous Media, J. Adhes. Sci. Technol., 25, 1803-1818.
• Patil S., J. Zhang, K. Tawfiq and G. Chen*, 2009, Colloid interactions and transport in porous media as impacted by water chemistry, J. Adhes. Sci. Technol., 23, 1845-1859.
• Tian, Z., D. Li, J. Liu, J. Zhang, C. Banks and G. Chen*, 2008, An environmental perspective of nitrogen cycle, Int. J. Global Environ. Issues, 9 (3), 199-211.
• Chen, G., 2008, Bacterial interactions and transport in unsaturated porous media, Colloid Surface B., 67: 265-271.
• PenagondaSrinivasaRanga, V., A. Chan Hilton and G. Chen*, 2008, Lipopolysaccharide extraction on bacterial adhesion and transport, J. Adhes. Sci. Technol., 22: 1073-1088.
• Shang, J., M. Flury, G. Chen and J. Zhuang, 2008, Water content and capillary forces on in situ colloid mobilization during infiltration in unsaturated sediments, Water Res. Res., 44, W06411.
• Chen, G., J. Liu, K. Tawfiq, K. Yang and C. Banks, 2008, Colloid retention in unsaturated porous media as impacted by colloid size, Part. Sci. Technol., 27: 35-49.
• Chen, G., V. PenagondaSrinivasaRanga, Y. Mao, K. Chen and H. Qiao, 2008, Impact of lux gene insertion on bacterial surface properties and transport, Res. Microbiol., 159: 145-15 1.
• Chen, G., T. Abichou, K. Tawfiq and P. K. Subramaniam, 2007, Impact of surface charge density on colloid deposition in unsaturated porous media, Colloid Surface A., 302, 342-348.
• Cheng, H., W. Xu, J. Liu, H. Wang, Y. He and G. Chen, 2007, Pretreatment of wastewater from triazine manufacturing by coagulation, electrolysis, and internal microelectrolysis, J. Hazard.Mater., 385-392.
• Liu, J., Q. Zhao, W. Xu, M. Qiao, H. Zhang, and G. Chen* , 2007, Bacterial retention in lipopolysaccharide coated silica sand, Sep. Sci. Technol., 42: 103 1-1047.
• Cheng, H., W. Xu, J. Liu, Q. Zhao, Y. He and G. Chen, 2007, Application of composed sewage sludge (CSS) as a soil amendment for turfgrass growth. Ecological. Eng., 29, 96-104.
• Liu, J., M. Qiao, H. Zhang, W. Yang and G. Chen*, 2006, Determination of microbial sorption isotherms from column experiments. Separ. Sci. Technol., 41: 3639-3654.
• Chen, G.* and H. Zhu, 2005, Bacterial adhesion to silica sand as related to Gibbs energy variations. Colloid Surface B., 44, 41-48.
• Chen, G., M. Qiao, H. Zhang and H. Zhu, 2005, Sorption and transport of naphthalene and phenanthrene in silica sand in the presence of rhamnolipidbiosurfactant. Separ. Sci. Technol., 40: 2411-2425.
• Chen, G.* and H. Zhu, 2005, Lindane isotherms interpreted in terms of interaction free energies with porous media. J. Adhes. Sci. Technol., 19, 579-593.
• Chen, G.* and H. Zhu, 2005, Lindane affinity to silica sand as related to surface properties. Separ. Sci. Technol., 40, 1277-1291.
• Chen, G., M. Flury, J. B. Harsh and P. Lichner, 2005, Colloid-facilitated transport of cesium in variably-saturated Hanford sediments. Environ. Sci. Technol., 39, 3435-3442.
• Chen, G. and M. Flury, 2005, Retention of mineral colloids in unsaturated porous media as related to their surface properties. Colloid Surface A., 256, 207-2 16.
• Chen, G. and M. Flury, 2005, Erratum to Flury, M., S. Czigány, G. Chen and J. B. Harsh, 2004, Cesium migration in saturated silica sand and Hanford sediments as impacted by ionic strength. J. Contam. Hydrol., 71, 111-126.
• Chen, G., 2003, Escherichia coli adhesion to abiotic surfaces in the presence of nonionic surfactants. J. Adhes. Sci. Technol., 17, 2131-2140.
• Chen, G., 2003, Interaction decay of nonionic surfactants at water surfaces. Chem. Phys. Lett., 376, 758-760.
• Chen, G., H. Zhu and Y. Zhang, 2003, Soil microbial activities and carbon and nitrogen fixation. Res. Microbiol., 154, 393-398.
• Chen, G. and K. A. Strevett, 2003, Bacterial deposition in aqueous media: a surface thermodynamic investigation. Environ. Eng. Sci., 20, 237-248.
• Chen, G., M. Rockhold and K. A. Strevett, 2003, Equilibrium and kinetic adsorption of microbes on alluvial sand. Res. Microbiol., 154, 175-181.
• Strevett, K. A. and G. Chen, 2003, Microbial surface thermodynamics and application. Res. Microbiol., 154, 329-335.
• Chen, G. and K. A. Strevett, 2003, Impact of carbon and nitrogen conditions on Escherichia coli surface thermodynamics. Colloid Surface B., 28, 135-146.
• Chen, G. and K. A. Strevett, 2003, Microbial surface thermodynamics and interactions in aqueous media. J. Colloid Interf. Sci., 261, 283 -290.
• Chen, G. and K. A. Strevett, 2002, Surface free energy relationships used to evaluate microbial transport. J. Environ. Eng., 128, 408-415.
• Chen, G. and K. A. Strevett, 2001, Impact of surface thermodynamics on bacterial transport. Environ. Microbiol., 3, 237-245.
• Chen, G. and K. A. Strevett, 2001, Impact of bacterial extracellular polymers on lindane transport. Environ. Eng. Sci., 18, 191-203.
• Chen, G., K. A. Strevett and Br. A. Vanegas, 2001, Naphthalene, phenanthrene and surfactant Biodegradation. Biodegradation, 12, 43 3-442.

Refereed Book Chapters

• Cheng, H., Luo, J. and Chen, G. (2008). Modeling of surfactant and contaminant transport in porous Media. In J. L. Acosta and A. F. Camacho (Ed.), Porous Media: Heat and Mass Transfer, Transport and Mechanics. New York: Nova Science Publishers, Inc.
  
  
• Chen, G, Chan Hilton, A. and Williams, M. (2007). Surface free energy relationships in interpreting bacterial deposition in porous media. In T. Camesano (Ed.), Bacterial Adhesion and Transport in the Environment. Washington, D.C.: American Chemical Society.

• Mao, Y. and Chen, G. (2014). Escherichia coli O157:H7 Interactions and Transport in Unsaturated Porous Media. In W. Gutowski and H. Dodiukin (Ed.), Recent Advances in Adhesion Science and Technology. New York: CRC Press.

Refereed Reviews Chen, G. (2011). Book R
Chen, G. (2006). Book Review of "Mechanism and Design of Sequencing Batch Reactors for Nutrient Removal". Water Environment and Technology, 18 (12).
Presentations
Invited Presentations at Conferences

• Chen, G. (Presented 2010, August). Bacterial surface properties and adhesion and transport. Presentation at American Chemical Society 240th National Meeting, Boston, MA: American Chemical Society.
• Chen, G. (Presented 2010, February). Water and Watershed PI Presentation. Presentation at National Water Meeting, Hiltonhead, South Carolina: USDA.
• Chen, G. (Presented 2009, February). Bacterial interactions and transport in unsaturated porous media. Presentation at National Water Conference, St. Louis, Missouri: USDA.
• Chen, G. (Presented 2009, February). Water and Watershed PI Presentation. Presentation at National Water Meeting, St. Louis, Missouri: USDA.
• Chen, G. (Presented 2008, February). Impact of genetic modification on bacterial surface properties and transport. Presentation at National Water Conference, Sparks, Nevada: USDA.
• Chen, G. (Presented 2006, September). Bacterial transport as related to their surface properties. Presentation at 115th Annual Meeting, San Francisco, CA: American Chemical Society.

Invited Presentations at Symposia

• Chen, G., Abichou, T. and Chanton, J. (Presented 2006, October).Impact of landfill leachate on iron release from northwest Florida iron rich soil.In Technical Exchange on Iron at Landfills.Presentation at the meeting of Advisory Board, Destin, FL.
• Chen, G. and Flury, M. (Presented 2004, April).Research activities of the soil physics/vadose zone hydrology group.In Water Resources Research & Extension Colloquium.Presentation at the meeting of Eastern Washington Water District, Pullman, WA.

Refereed Presentations at Conferences

• Xie, W. and Chen, G. (Presented 2013, November). E. ColiGrowth and Transport in The Presence of Nanosilver under Variable Growth Conditions. Poster presentation at 99th Annual American Society of Microbiology Southeastern Branch Conference, Auburn, AL: American Society of Microbiology Southeastern Branch.
• Yang, G., Lee, Y. and Chen, G. (Presented 2013, November). Aerated Recirculation and Pressurized Suspended Fiber Biofiltration for the Treatment of Landfill Leachate. Poster presentation at 99th Annual American Society of Microbiology Southeastern Branch Conference, Auburn, AL: American Society of Microbiology Southeastern Branch.
• Vu, K. and Chen, G. (Presented 2013, November). Impact of rhamnolipidbiosurfactant transport by biochar applications. Poster presentation at 99th Annual American Society of Microbiology
• Southeastern Branch Conference, Auburn, AL: American Society of Microbiology Southeastern Branch.
• Hendrix, M. and Chen, G. (Presented 2011, October). Landfill Leachate Ammonia Removal through ANAMMOX. Poster presentation at 97th Annual American Society of Microbiology Southeastern Branch Conference, Gainesville, FL: American Society of Microbiology Southeastern Branch.
• Hendrix, M. and Chen, G. (Presented 2010, November). Escherichia coli Interactions and Transport in Unsaturated Porous Media. Poster presentation at 96th Annual American Society of Microbiology Southeastern Branch Conference, Montgomery, AL: American Society of Microbiology Southeastern Branch.
• Subramaniam, P. and Chen, G. (Presented 2010, November). Usage of Microbial Fuel Cell Technology to Prevent Iron Release nearby Landfills in Northwest Florida. Poster presentation at 96th Annual American Society of Microbiology Southeastern Branch Conference, Montgomery, AL: American Society of Microbiology Southeastern Branch.
• Patil, S., Trimble, T. and Chen, G. (Presented 2010, November). Water Quality Assessment of Costal Marshes in St. Marks National Wildlife Refuge. Poster presentation at 96th Annual American Society of Microbiology Southeastern Branch Conference, Montgomery, AL: American Society of Microbiology Southeastern Branch.
• Patil, S., Subramaniam, P. and Chen, G. (Presented 2009, November). Iron reduction and adsorption on Shewanellaputrefaciens nearby landfills in Florida. Poster presentation at 95th Annual American Society of Microbiology Southeastern Branch Conference, Savannah, GA: American Society of Microbiology Southeastern Branch.
• Subramaniam, P. and Chen, G. (Presented 2009, November). Usage of microbial fuel cell technology to prevent iron release nearby landfills in Northwest Florida. Poster presentation at 95th Annual American Society of Microbiology Southeastern Branch Conference, Savannah, GA: American Society of Microbiology Southeastern Branch.
• Wang, H., Liu, J. and Chen, G. (Presented 2009, August). Impact of surface structures and solvent chemistry on Bacillus spore and Escherichia coli adhesion to glass surfaces. Poster presentation at 23 8th American Chemical Society National Meeting, Washington, D.C: American Chemical Society.
• Wang, H., Liu, J., Zhou, L. and Chen, G. (Presented 2009, August). Kinetic studies of protein-carbohydrate interactions at the bilayer interface of carbohydrate-modified catanionic vesicles. Poster presentation at 23 8th American Chemical Society National Meeting, Washington, D.C: American Chemical Society.
• Rolle, K., Gitau, M., Chen, G. and Chauhan, A. (Presented 2009, June). Dissemination of fecal coliform in Juniper Creek, NW Florida. Poster presentation at American Society of Agricultural and Biological Engineers Annual International Meeting, Reno, NV: American Society of Agricultural and Biological Engineers.
• Zhang, J. and Chen, G. (Presented 2009, April). Bacterial surface properties and their transport to abiotic surfaces. Presentation at 13th IACIS Inetrnational Conference, New York, New York: International Association of Colloid and Interface Science.
• Gitau, M., Rolle, K., Nnaji, G., Muhammad, E., Chen, G. and Huang, W. (Presented 2009, February). Fate and transport of various nonpoint pollutants in North Florida watersheds: current research and future directions. Poster presentation at 2009 CSREES National Water Conference, St. Louis, MO: US Department of Agriculture.
• Patil, S., Driks, A.., Mallozzi, M. and Chen, G. (Presented 2008, November). Bacillus anthracis and Bacillus subtilis spore surface properties and transport. Poster presentation at Joint Annual Meeting, Southeastern Branch and Florida Branch American Society of Microbiology, Jacksonville, FL: Southeastern Branch and Florida Branch American Society of Microbiology.
• Subramaniam, P. and Chen, G. (Presented 2008, November). Bacterial transport in unsaturated porous media. Poster presentation at Joint Annual Meeting, Southeastern Branch and Florida Branch American Society of Microbiology, Jacksonville, FL: Southeastern Branch and Florida Branch American Society of Microbiology.
• PenagondaSrinivasaRanga, V. and Chen, G. (Presented 2007, November). Impact of lipopolysaccharide extraction on bacterial transport. Presentation at 60th Annual Meeting of Southeastern Branch of American Society of Microbiology, Auburn, AL: Southeastern Branch of American Society of Microbiology.
• Subramaniam, P. and Chen, G. (Presented 2007, November). Microbial mediated iron release nearby landfills. Poster presentation at 60th Annual Meeting of Southeastern Branch of American Society of Microbiology, Auburn, AL: Southeastern Branch of American Society of Microbiology.
• Patil, S. and Chen, G. (Presented 2007, November). Bacterial transport as impacted by solution chemistry. Poster presentation at 60th Annual Meeting of Southeastern Branch of American Society of Microbiology, Auburn, AL: Southeastern Branch of American Society of Microbiology.
• Hampton, W. and Chen, G. (Presented 2007, May). Bacterial transport as Impacted by solution chemistry. Poster presentation at 83rd American Chemical Society Annual Florida Meeting and Exposition, Orlando, FL: American Chemical Society Florida Branch.
• Subramaniam, P., PenagondaSrinivasaRanga, V. and Chen, G. (Presented 2007, May). Impact of Landfill Leachate on Iron Transformation. Poster presentation at 83rd American Chemical Society Annual Florida Meeting and Exposition, Orlando, FL: American Chemical Society Florida Branch.
• Harsh, J., Flury, M., Deng, Y. and Chen, G. (Presented 2006, July). In situ formation of colloidal phases and their role in radionuclide transport. Presentation at 18th World Congress of Soil Science, Philadelphia, PA: American Society of Soil Science.
• Liu, J., Wang, H., He, Y., Xu, W. and Chen, G. (Presented 2006, May) .Bacterial transport as related to surface properties. Presentation at 106th General Meeting, Orlando, FL: American Society for Microbiology.
• Chen, G., Qiao, M., Zhang, H. and Zhu, H. (Presented 2004, August).Bacterial desorption in water saturated porous media in the presence of rhamnolipidbiosurfactant. Presentation at Western Pacific Geophysics Meeting, Honolulu, HI: American Geophysical Union.
• Chen, G., Flury, M., & Harsh, J. B. (Presented 2003, November). Colloidal removal during transport in variably-saturated Hanford sediments. Presentation at Annual Meeting of Geological Society of America, Seattle, WA: Geological Society of America.
• Chen, G., Flury, M. and Harsh, J.B. (Presented 2002, December). Colloid-facilitated cesium transport in the vadose zone. Presentation at American Geophysical Union Fall Meeting, San Francisco, CA: American Geophysical Union.
• Chen, G. andStrevett, K.A. (Presented 2001, December). Bacterial deposition in aqueous media: a surface thermodynamic investigation. Presentation at American Geophysical Union Fall Meeting, San Francisco, CA: American Geophysical Union.

Invited Lectures

• Chen, G. (2010, February). Water quality monitoring in the Ochlockonee and St. Marks Basins. Lecture delivered at Department of Electrical Engineering, Tallahassee, FL.
• Chen, G. (2007, June). Survive the college life. Lecture delivered at Shandong University of Traditional Medicine, Jinan, Shandong, China.
• Chen, G. (2007, June). Colloid transport in the subsurface. Lecture delivered at Institute of Rock and Soil Mechanics, the Chinese Academy of Sciences, Wuhan, Hubei, China.
• Chen, G. (2007, June). Bacterial transport in the subsurface. Lecture delivered at College of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, China.
• Chen, G. (2007, January). Bacterial transport in the subsurface. Lecture delivered at Department of Electrical and Computer Engineering, FAMU-FSU College of Engineering, Tallahassee, FL.
• Chen, G. (2006, May). Interfacial phenomena and contact angle measurements. Lecture delivered at Department of Chemical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL.
• Chen, G. (2005, November). Bacterial transport in the subsurface. Lecture delivered at Auburn University, Auburn, AL.
• Chen, G. (2005, September). Water infiltration and colloid mobilization in Hanford Sediments. Lecture delivered at Department of Chemical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL.
• Chen, G. (2005, September). Hanford Site, past, current and future: colloid mobilization study. Lecture delivered at FAMU-FSU College of Engineering, Tallahassee, FL.
• Chen, G., &Flury, M. (2004, April).Research activities of the soil physics/vadose zone hydrology group. Lecture delivered at Water Resources Research & Extension Colloquium, Pullman, WA.

Service

• University Service
• FSU Faculty Senate Library Committee Member (2011 – 2014)
  
  Service to the Community
• Board of Directors Sustainable Tallahassee (2011 – 2013)
• Judge forCapital Science Fair (2007 – Present)
  
  FSU Department Committees
• Environmental Engineering Program Coordinator (2008 – 2009, 2012 – Present)
• Graduate Committee Member (2009 - 2012)
• Undergraduate Committee member (2006 –2009, 2013 - Present)
• Library Committee (Member 2005 – 2008, Chair 2009 - 2010)
• IT Committee Chair (2008 – 2009, 2013 - Present)
• Environmental Engineering Faculty Search Committee Chair (2013 - 2014)
• Faculty Search Committee Member for FSU Panama City Campus (2008 - 2009) Environmental Engineering Faculty Search Committee Member (2006 – 2007, 2007 - 2008) Senior Design Judge Panel (2005 - 2010)
• Laboratory Committee Member (2005 - 09)
  
  Guest Reviewer for Refereed Journals
• Particulate Science and Technology (2010 - Present)
• Environmental Science and Technology (2010 - Present)
• Water Resources Research (2010 - Present)
• Journal of the Air and Waste Management Association (2009 - Present) Bioresource Technology (2009 - Present)
• Water Science and Technology (2009 - Present)
• Water Environment Research (2008 - Present)
• Water Research (2007 - Present)
• Ecotoxicology and Environment Safety (2006 - Present)
• Adsorption Science and Technology (2005 - Present)
• Chmosphere (2005 - Present)
• Journal of Adhesion Science and Technology (2003 - Present) Journal of Environmental Quality (2002 - Present)
• Letter in Applied Microbiology (2002 - Present)
• Vadose Zone Journal (2002 - Present)
• Environmental Toxicology and Chemistry (2002 - Present)
• Biotechnology Processes (2001 - Present)
  
  Reviewer or Panelist for Grant Applications Environmental Protection Agency (2010 - Present)
• Netherlands Organization for Scientific Research (2009 - Present) National Science Foundation (2008 - Present)
• US Department of Agriculture (2012 - Present)
  
  Service to Other Universities
• Editorial Board of Journal of Chongqing University (English Edition)(JCQU-E)