Yongsheng Chen

Brief Biography: 

Dr. Yongsheng Chen joined School of Civil and Environmental Engineering at Georgia Institute of Technology in 2009. Dr. Chen has served as principal and co-principal investigator on grants totaling about $10 million. He has also published more than 100 peer-reviewed journal papers.

Last Name: 
Chen
Office Building: 
Daniel Environmental Engineering Laboratory
Office #: 
206
Affinity Group / Department: 
Environmental Engineering
Type: 
Faculty
Academic Faculty
Education: 
Ph.D., Environmental Chemistry, Nankai University, 1995
M.S., Environmental Chemistry, Nankai University, 1992
B.S.E., Chemical Engineering, Northern China Institute of Technology, 1986
First Name: 
Yongsheng
Patents: 
Chen, Y.S., Haiping Gao, Bopeng, Zhang, “Nanoscale reverse electrodialysis cell for salinity power generation”, Georgia Institute of Technology, Invention Disclosure, 2014
Chen, Y.S., Haiping Gao, Bopeng, Zhang, “Ion exchange resin beads used in reverse electrodialysis stack for salinity power generation”, Georgia Institute of Technology, Invention Disclosure, 2014
Yulin Deng, Yongsheng Chen, and Guanglei Zhao, “Simultaneously Converting the Non-lipid Fraction of Algae to Electricity and Releasing Lipids for Biodiesel Production using Biomass Fuel Cell Technology”, Georgia Institute of Technology, Invention Disclosure, 2014
Chen, Y.S. and Steve Vin Ginkel, “Floating Screen Algae Harvester”, Georgia Institute of Technology, Invention Disclosure, 2014
Hu, Q., Chen, Y. S., Sommerfeld, M., Zhang, X. Z., “Method of Separation of algal biomass from aqueous or marine culture”, US 20120094361A1.
Chen, Y. S.; Zhang, W.; Yao, Y. and Huang, C. H. "Direct Measurement of Metal-Based Nanoparticles by ICP-MS/OES or AAS without Digestion", ID#5311, 2010.
Hu, Q.; Chen, Y. S.; Sommerfeld, M.; Zhang, X. Z.; “Method for Dewatering and Drying of Algae Biomass using Spray Enhanced Solar/Air Drying” filed on March, 2009.
Chen, Y. S.; Crittenden, J. C.; Hackney, S. and Hand, D. W. "Sol Gel Synthesis of Semiconductor Nanotubes" ID#200102, 2001.
Chen, Y. S.; Crittenden, J. C.; Perram, D. and Hand, D. W. "Production of Methanol from Methane in the Gas Phase"--Using TiO2 photocatalysis, U.S. Provisional Application No. 60/121,500, 1998.
Photo: 
Publications (Proceedings): 
Jin Gi Hong and Yongsheng Chen, Electrochemical analysis and reverse electrodialysis performance of cation exchange membranes fabricated with functionalized inorganic filler particles, Sustainable Nanotechnology Organization, Boston, Nov. 1-3, 2014
Yongsheng Chen, Perspectives on Environmental Implications of Nanotechnology, The 11th ISPTs international conference, Hong Kong, Oct. 29, 2014
Yongsheng Chen, Membrane Technology for Renewable Energy Production Using Algal Biomass and Salinity Gradient, 248th ACS National Meeting, San Francisco, CA, August 11, 2014
Yongsheng Chen, Synthesis of Novel Nanocomposite Reverse Electrodialysis (RED) Ion-exchange Membranes for Salinity Gradient Power Generation, 2014 ACS General Conference, Division of Environmental Chemistry: Advances in Materials for Water and Energy, Dallas, TX, March 18, 2014.
Wen Zhang, Guangshan Zhang, Daisuke Minakata, Yongsheng Chen, John Crittenden. Influences of colloidal and photo-stability on photocatalytic H2 generation of visible-light-driven water splitting system, 2014 ACS General Conference, Division of Environmental Chemistry: Advances in Materials for Water and Energy, Dallas, TX, March 18, 2014.
Jin Gi Hong, Yongsheng Chen, Synthesis of Novel Nanocomposite Reverse Electrodialysis (RED) Ion-exchange Membranes for Salinity Gradient Power Generation, Second Sustainable Nanotechnology Organization Conference, Nov. 3-5, 2013, Santa Barbara, CA
Chen, C., Liu, Baicang, J. Crittenden, Chen, Y. S., Poly (vinylidene fluoride) membranes prepared from amphiphilic graft copolymer, membrane technology conferences & exposition, San Antonio, Feb, 26, 2013
Chen, Y. S., Kungang Li, Wen Zhang, Stability of Engineered Nanoparticles in Aqueous Environments: Measurements and Modeling, the Goldschmidt 2012 Conference, June 24-29, 2012, Montreal, Canada
Chen, Y. S., Wen Zhang, Kungang Li, Stability and aggregation kinetics of cerium oxide nanoparticles in aqueous solution, Interfaces Against Pollution, June 11-14, 2012, Nancy, France
Wen Zhang and Y. S. Chen, Attachment efficiency prediction of engineered nanoparticle aggregation in aqueous dispersions using Maxwell approach, the 68th colloid surface science symposium, Johns Hopkins University, Maryland, June 10-13, 2012
Baicang Liu, Chen Chen, Y.S. Chen, J. C. Crittenden, Effect of coagulation temperature on the characteristics of synthesized PVC membrane with Pluronic F 127 additives, the 243rd ACS National Meeting, Division of Polymer Chemistry, March 25-29, 2012, San Diego, California
Zhang W. and Chen, Y. S. Cytotoxic effects of engineered nanoparticles at the bio-nano interface, Engineering Research Center for Environmentally Benign Semiconductor Manufacturing , TeleSeminar, November 3, 2011.
Zhang W.; Chen, Y. S. “Effect of Nanoparticle Size on Adhesion Force with E. coli Cells.” TECHCON 2010 Technology and Talent for the 21st Century conference Proceedings. Austin, Texas, Sep, 13-14, 2010.
Zhu, X. S.; Zhang, X. Z.; Zhang, W.; Chang, Y.; Hu, Q.; Chen, Y. S. “Potential Toxicity of Nanomaterials and their Removal”, Proceedings of the Chicago International Environmental Nanotechnology Conference: Applications and Implications Oct. 7-9, 2008.
Hristovski, K., Zhang, Y., Koeneman, B., Chen, Y. S., Westerhoff, P., Capco., D and Crittenden, J., Nanomaterials in water environments: Potential applications, treatments, fate and potential biological consequences, Invited talk presented by Hristovski, K., Proceedings 230th American Chemical Society Environmental Nanotechnology Meeting, Washington, DC, Aug 28-Sept 1, 2005.
Job Title: 
Professor
Research Interests: 
The potential environmental applications of nanotechnology, including synthesizing novel nanomaterials for removal of contaminants from different media and monitoring environmental pollutants
Environmental implications of nanotechnology addressing potentially adverse impacts of nanomaterials, especially the fate, transport, transformation, bioaccumulation, and toxicity of nanomaterials in the environment
Urban sustainability, including water/energy use efficiency and sustainable biofuels, focusing on algae related biofuel downstream issues
Publications (Articles): 
Yang Zhang*, Jie Wang, Fei Gao, Hui Tao, Y. S. Chen and Hongwei Zhang (2017), “Impact of Sodium Hypochlorite (NaClO) on Polysulfone (PSF) Ultrafiltration Membranes: The Evolution of Membrane Performance and Fouling Behavior” Separation and Purification Technology, 175:238-247
Xin Wang*, Xuejiang Wang, Jianfu Zhao, Jingke Song, Lijie Zhou, Jiayi Wang, Xin Tong, Y. S. Chen (2017), “An alternative to in situ photocatalytic degradation of microcystin-LR by worm-like N, P co-doped TiO2/expanded graphite by carbon layer (NPT-EGC) floating composites”, Applied Catalyst B: Environmental, 206:479-489
Bopeng Zhang, Jin Gi Hong, Shihua Xie, Shuman Xia, Y. S. Chen (2017) “An integrative modeling and experimental study on the ionic resistance of ion-exchange membranes”, Journal of Membrane Science, 524:362-369
Yang Zhang*; Yongsheng Chen, Fei Gao; Jie Wang, Hongwei Zhang (2017), “A comparison study: The different impacts of sodium hypochlorite on PVDF and PSF ultrafiltration (UF) membranes”, Water Research, 109:227-236
Ruzhen Xie, Xiaoyang Meng, Peizhe Sun, Junfeng Niu, Lawrence Bottomley, Y. S. Chen, Duo Li and John Crittenden (2017), “Electrochemical Oxidation for Ofloxacin Degradation on TiO2 based SnO2 - Sb/polytetrafluoroethylene Resin (FR) - PbO2 Electrode”, Applied Catalyst B: Environmental, 203:515-525
Baicang Liu, Chen Chen*, Pingju Zhao, Tong Li, Caihong Liu, Qingyuan Wang, Y. S. Chen, John Crittenden (2017), “Development of Thin-Film Composite Forward Osmosis Membranes with Substrate Layer Composed of PSf Blended with PEG and PSf-g-PEGMA”, Submitted to Front. Chem. Sci. Eng., 10:562
Xin Tong*, Bopeng Zhang*, and Y. S. Chen (2016)“Fouling resistant nanocomposite cation exchange membrane with enhanced power generation for reverse electrodialysis”, Journal of Membrane Science, 516:162-171
Carolina Fernandez-Gonzalez*, Antonio Dominguez-Ramos, Raquel Ibañez, Y. S. Chen, Angel Irabien (2016) “Valorization of desalination brines by electrodialysis with bipolar membranes using nanocomposite anion exchange membranes”, Desalination, 406:16-24
Saif, S*., Arifa Tahir, Tayyaba Asim and Y.S.Chen (2016) “Plant Mediated Green Synthesis of CuO Nanoparticles: Comparison of Toxicity of Engineered and Plant Mediated CuO Nanoparticles towards Daphnia magna” Nanomaterials, 6: 205
Xiaodong Ma, Mengying Zhao, Fengjun Zhao, Hongwen Sun, John Crittenden, Yanying Zhu, Y. S. Chen (2016) “Application of silica-based monolith as solid-phase extraction”, J. Sol-Gel Sci. Technol. , 80 (1): 87-95
Guo, X, Yongguang Yin, Zhiqiang Tan, Zongmian Zhang, Y. S. Chen, and Jingfu Liu (2016) “Significant Enrichment of Engineered Nanoparticles in Water Surface Microlayer”, Environ. Sci. and Tech. Letters, 3(10):381-385.
Wei Zhang, Zhichao Pu, Songyan Du*, Y. S. Chen, Lin Jiang (2016), “Fate of engineered cerium oxide nanoparticles in an aquatic environment and their toxicity toward 14 ciliated protist species”, Environmental Pollution. 212:584-591
Saif, S*., Arifa Tahir, Tayyaba Asim and Y.S. Chen (2016) “Green Synthesis of Iron Nanoparticles and Their Environmental Applications and Implications” Nanomaterials, 6: 209
Van Ginkel, S.W., Bidwell, M*, Igou, T*, Gijon-Felix, R.*, Salvi, E.*, Oliveira, S.*, Duarte, L.*, Steiner, D.*, Johnston, R.*, Snell, T., Y. S. Chen (2016), “The prevention of saltwater algal pond contamination using the electron transport chain disruptor, rotenone” Algal Research. 18: 209-212.
Park, Sichoon*; Van Ginkel, Steven W.; Pradeep*, Priya*; Igou, Thomas*; Yi, Christine*; Snell, Terry; Y. S. Chen (2016), “ The Selective Use of Hypochlorite to Prevent Pond Crashes for Algae-Biofuel Production”, Water Environment Research, 88 (1) :70-78
Xiaodong Ma, Mengying Zhao, Qin Pang, Meihua Zheng, Hongwen Sun, John Crittenden, Yanying Zhu, Y. S. Chen (2016), “Development of novel CaCO3/Fe2O3 nanorods for low temperature 1,2-dichlorobenzene oxidation” Applied Catalysis A: General, 522 (25): 70-79
Bopeng Zhang*, Haiping Gao*, and Yongsheng Chen (2015), “Ionic Conductivity and Power Generation Using Ion-Exchange Resin Beads in a Reverse-Enhanced Electrodialysis Stack”, Environmental Science & Technology, 49: 14717–14724
Yingchun Gong, David J. Patterson, Yunguang Li, Zixuan Hu, Milton Sommerfeld, Y. S. Chen, Qiang Hu (2015),“Vernalophrys algivore gen. nov., sp. nov. (Rhizaria: Cercozoa: Vampyrellida), a New Algal Predator Isolated from Outdoor Mass Culture of Scenedesmus dimorphus”, Applied and Environmental Microbiology, 81:3900-3913
Vishnupriya Pradeep*, Steven W. Van Ginkel, Sichoon Park*, Thomas Igou*, Christine Yi*, Hao Fu*, Rachel Johnston*, Terry Snell and Y. S. Chen (2015), “Use of Copper to Selectively Inhibit Brachionus calyciflorus(Predator) Growth in Chlorella kessleri (Prey) Mass Cultures for Algae Biodiesel Production”, Int. J. Mol. Sci., 16: 20674-20684
Chunyan Xu*, Kangyan Wu*, Steve W. Van Ginkel, Thomas Igou*, Hwa Jong Lee*, Aditya Bhargava*, Rachel Johnston*, Terry Snell and Y. S. Chen (2015), “The Use of the Schizonticidal Agent Quinine Sulfate to Prevent Pond Crashes for Algal-Biofuel Production”, Int. J. Mol. Sci., 16: 27450-27456
Huang, M., Y.S. Chen, Huang, C. H., P. Sun, and J. C. Crittenden (2015) “Rejection and adsorption of trace pharmaceuticals by coating a forward osmosis membrane with TiO2“, Chemical Engineering Journal, 279: 904–911
Zhang,Y., Qiao Zhang, Ting Xia, Daming Zhu, Y.S. Chen, Xiaobo Chen,(2015) “The Influence of Reaction Temperature on the Formation and Photocatalytic Hydrogen Generation of (001) Faceted TiO2 Nanosheets”, Chemnanomat, 10.1002/cnma.201500030
Zhao Z., J. C.Crittenden, H. Zhao, Y. S. Chen, (2015) “The self-preserving size distribution of fractal aggregates coagulating by Brownian motion and simultaneous fluid shear at low Peclet numbers: Numerical solutions”, Journal of Aerosol Science, 87:1–16
Huang M., Y. S. Chen, Ching-Hua Huang, P. Sun, J. C. Crittenden (2015) “Rejection and adsorption of trace pharmaceuticals by coating a forward osmosis membrane with TiO2”, Chemical Engineering Journal, 279:904–911
Steven W. Van Ginkel , Thomas Igou*, Zixuan Hu, Asmita Narode*, Sarasija Cheruvu*, Shusuke Doi*, Rachel Johnston*, Terry Snell, Chen, Y.S. (2015) “Taking advantage of rotifer sensitivity to rotenone to prevent pond crashes for algal-biofuel production”, Algal Research, 10:100-103
Hong, J. G.*, Bopeng Zhang*, Shira Glabman*, Nigmet Uzal, Xiaomin Dou, Xiuzhen Wei, Hongguo Zhang, and Chen, Y. S., (2015) "Potential Ion Exchange Membranes and System Performance in Reverse Electrodialysis for Power Generation: A Review" Journal of Membrane Science, accepted
Chen Chen*, LiTang, BaicangLiu, XiaoZhang, JohnCrittenden , Kai Loon Chen, Chen, Y. S., (2015) “Forming mechanism study of unique pillar-like and defect-free PVDF ultrafiltration membranes with high flux”, Journal of Membrane Science, 487: 1-11
Hong, J. G.*, G. Shira*, Chen, Y. S. (2015) “Effect of inorganic filler size on electrochemical performance of nanocomposite cation exchange membranes for salinity gradient power generation” , Journal of Membrane Science, accepted
Cheng Peng*, Dechao Duan, Chen Xu, Yongsheng Chen, Lijuan Sun, Hai Zhang, Xiaofeng Yuan, Lirong Zheng, Yuanqiang Yang, Jianjun Yang, Xiangjun Zhen, Yingxu Chen, Jiyan Shi, (2015), “Translocation and biotransformation of CuO nanoparticles in rice (Oryza sativa L.) plants”, Environmental Pollutant, 197:99-107
Hong, J. G.*, Chen, Y. S. (2015), “Evaluation of Electrochemical Properties and Reverse Electrodialysis Performance for Porous Cation Exchange Membranes with Sulfate-functionalized Iron Oxide”, Journal of Membrane Science, 473: 210–217
Park, S*., Van Ginkel, S.W., Pradeep, P, Igou, T., Yi, C., Snell, T., Chen, Yongsheng. (2014) “The selective use of hypochlorite to prevent pond crashes for algae-biofuel production”. Water Environment Federation. Accepted.
Igou, T*., Van Ginkel, S.W., Penalver-Argueso, P., Fu, H., Doi, S., Narode, A., Cheruvu, S., Zhang, Q., Hassan, F., Woodruff, F., Chen, Y. S., (2014), “Effect of Centrifugation on Water Recycling and Algal Growth to Enable Algae Biodiesel Production”, Water Environment Research, 86 (12): 2334-2338
Xuzhi, Zhang, J. Hewson, Pasquale Amendola, Monica Reynoso, M. Sommerfeld, Chen, Y.S. and Q. Hu, (2014), “Critical Evaluation and Modeling of Algal Harvesting Using Dissolved Air Flotation”, Biotechnology and Bioengineering, DOI: 10.1002/bit.25300
Hong, J. G.*, Chen, Y. S. (2014), “Nanocomposite reverse electrodialysis (RED) ion-exchange membranes for salinity gradient power generation”, Journal of Membrane Science, 460:139-147.
Zhang, G.*; Zhang, W.*; Minakata, D.; Wang, P.; Chen, Y.S.; Crittenden, J. (2014), “Efficient photocatalytic H2 production using visible-light irradiation and (CuAg)xIn2xZn2(1-2x)S2 photocatalysts with tunable band gaps”. International J. Hydrogen Energy, DOI: 10.1002/er.3157
Zhang, W., L. Chen, K. Liu, L. Chen, K. Lin, and Chen, Y. S.(2014), “Bioaccumulation of decabromodiphenyl ether (BDE209) in earthworms in the presence of lead (Pb)”, Chemosphere, dx.doi.org/10.1016/j.chemosphere.2014.01.059
Faust J. J, W. Zhang*, Chen, Y., S., Capco, D. G.,(2014)"Alpha-Fe2O3 elicits diameter-dependent effects during exposure to anin vitro model of the human placenta." Cell Biology and Toxicology, 30: 31-53.
Li, K.*, Zhao, X., Hammer, B. K., Du, S., and Chen, Y.S. (2013), “Nanoparticles Inhibit DNA Replication by Binding to DNA: Modeling and Experimental Validation”, ACS Nano, 7 (11): 9664-9674
Li, Y. *, Zhang, W. *, Liu, J., Chen, Y.S. (2013), “Surface coating-dependent dissolution, ggregation, and ROS generation of silver nanoparticles under different irradiation conditions”, Environmental Science & Technology, 47(18):10293-10301
Zhang, G.*; Zhang, W.*; Minakata, D.; Chen, Y.S.; Wang, P.; Crittenden, J. (2013), “The pH Effects on H2 Evolution Kinetics for Visible Light Water Splitting over the Ru/(CuAg)0.15In0.3Zn1.4S2 Photocatalyst”. International J. Hydrogen Energy, 38: 11727-11736
Liu, B.C., Chen, C*., Li, T., J. Crittenden, and Chen, Y.S., (2013), “High Performance Ultrafiltration Membrane Composed of PVDF Blended with Its Derivative Copolymer PVDF-g-PEGMA”, Journal of Membrane Science, 445: 66-75
Zhang, Wei*, Zhang, W. *, Zhang, X., Hu, Q., Sommerfeld, M., Amendola, P., Chen, Y.S., (2013)"Characterization of Dissolved Organic Matters Responsible for Ultrafiltration Membrane Fouling in Algal Harvesting", Algal Research, 2:223-229
Hong, J. G. *, Zhang, W. *, Luo, J., and Chen Y. S. (2013), “Modeling of Power Generation from the Mixing of Simulated Saline and Freshwater with a Reverse Electrodialysis System: The Effect of Monovalent and Multivalent Ions”, Applied Energy, 110:244-251
Wang Q., Ebbs, S., Chen, Y.S., and Ma, X., (2013), “Trans-generational Impact of Cerium Oxide Nanoparticles on Tomato Plants”, Metallomics, 32(5):544-53
Yao, Y., Tolentino, L., Yang, Z., Song, X., Zhang, W. *, Chen, Y.S. and Wong, C. P., (2013). “High-Concentration Aqueous Dispersions of MoS2”, Advanced Functional Materials, 23 (28): 3577-3583
Zhang, W. *, Yang, L. *, Niu, J. and Chen, Y. S. (2013). “Photogeneration of Reactive Oxygen Species on Uncoated Silver, Gold, Nickel, and Silicon Nanoparticles and their Antibacterial Effects”, Langmuir, 29: 4647-4651
Zhang G. *, Zhang, W. *, J. Crittenden, Y. S. Chen, D. Minakata, P. Wang, (2013). “Photocatalytic hydrogen production under visible-light irradiation on Ru/(CuAg)0.15In0.3Zn1.4S2 Synthesized by Precipitation and Calcination, Chinese Journal of Catalysis, 34: 1926-1935
Liu, L., Liu, J. Bo, G., Yang, F., Crittenden, J., Chen, Y. S., (2013). “Conductive and hydrophilic polypyrrole modified membrane cathodes and fouling reduction in MBR”, Journal of Membrane Science, 429: 252-258
Zhang G., W. Zhang, P. Wang, D. Minakata, Y. S. Chen, J. Crittenden, (2013). “Stability of an H2-producing photocatalyst (Ru/(CuAg)0.15In0.3Zn1.4S2) in aqueous solution under visible light irradiation”, International Journal of Hydrogen Energy, 38: 1286-1296
Li, K., Zhang, W. and Chen, Y.S.*, (2013). “Quantum dot binding to DNA: Single-molecule imaging with atomic force microscopy”, Biotechnol. J. 8:110-6.
Zhang, W. and Chen, Y.S.*, (2013). “Experimental Determination of Conduction and Valence Bands of Semiconductor Nanoparticles using Kelvin Probe Force Microscopy”, Journal of Nanoparticle Research, 15: 1-7
Chen, Y.S., Huang Y. and Li, K., (2012), Temperature Effect on the Aggregation Kinetics of CeO2 Nanoparticles in Monovalent and Divalent Electrolytes, Environmental & Analytical Toxicology, 2:158
Li, K., Chen, Y.S.*, (2012). “Evaluation of DLVO interaction between a sphere and a cylinder”, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 415: 218-229
Li, K., Chen, Y., Zhang, W., Pu, Z., Jiang, L., and Chen, Y.S.*, (2012). “Surface Interactions Affect the Toxicity of Engineered Metal Oxide Nanoparticles toward Paramecium”, Chemical Research Toxicology, 25: 1675-1681
Kalive, M., Zhang, W., Chen, Y.S.*, Capco, D.G. (2012). “Human intestinal epithelial cells exhibit a cellular response indicating a potential toxicity upon exposure to hematite nanoparticles”. Cell Biol. Toxicol. 28:343-68.
Liu, B., Chen, C., Zhang, W., Crittenden, J., Chen, Y. S.*, (2012), “Low-cost antifouling PVC ultrafiltration membrane fabrication with Pluronic F 127: Effect of additives on properties and performance”. Desalination, 307: 26-33
Li, Y.; Zhang, W.; Niu, J.; Chen, Y.S.*, (2012) “Mechanism of Photogenerated Reactive Oxygen Species and Correlation with the Antibacterial Properties of Engineered Metal-Oxide Nanoparticles”, ACS Nano, DOI: 10.1021/nn300934k
Zhang, W.; Hughes, J.; and Chen, Y.S.*, (2012) “Impacts of Hematite Nanoparticle Exposure on Biomechanical, Adhesive, and Surface Electrical Properties of Escherichia coli Cells”, Applied and Environmental Microbiology, 78(11): 3905–3915.
Zhang, W.; Crittenden, J.; Li, K.; Chen, Y.S.*, (2012) “Attachment Efficiency of Nanoparticle Aggregation in Aqueous Dispersions: Modeling and Experimental Validation” Environmental Science and Technology, DOI: 10.1021/es203623z
Li, Y. ; Zhang, W.; Li, K.; Yao, Y.; Niu, J.; Chen, Y.S.*, (2012) “Oxidative dissolution of polymer-coated CdSe/ZnS quantum dots under UV irradiation: Mechanisms and kinetics” Environmental Pollution, 164:259-266
Li, K.; Chen, Y.S.*, (2012) “Effect of natural organic matter on the aggregation kinetics of CeO2 nanoparticles in KCl and CaCl2 solutions: Measurements and modeling” Journal of Hazardous Materials, 209-210: 264-270
Zhang, L.; Petersen, E. J.; Zhang, W.; Chen, Y. S.; Cabrera, M.; Huang, Q. (2012)“Interactions of 14C-labeled multi-walled carbon nanotubes with soil minerals in water” Environmental Pollution, 166:75-81
Liu, L.; Chen, F.; Yang, F.; Chen, Y. S.; Crittenden J. (2012) “Photocatalytic degradation of 2,4-dichlorophenol using nanoscale Fe/TiO2” Chemical Engineering Journal, 181-182: 189-195
Geisler-Lee, J.; Wang, Q.; Yao, Y.; Zhang, W.; Geisler, M.; Li, K.; Huang, Y.; Chen, Y. S.; Kolmakov, A.; Ma, X. (2012). “Phytoxicity, accumulation and transport of silver nanoparticles by Arabidopsis thaliana” Nanotoxicology, doi:10.3109/17435390.2012.658094
Jin, P.; Chen, Y. S.; Zhang, S. B.; Chen, Z. (2012). “Interactions between Al12X (X = Al, C, N and P) nanoparticles and DNA nucleobases/base pairs: implications for nanotoxicity”, Journal of Molecular Modeling, 18, 559-568
Faust, J.J., Zhang, W., Koeneman, B.A., Chen, Y.S., Capco, D.G. (2012). Commenting on the effects of surface treated- and non-surface treated TiO2 in the Caco-2 cell model. Part Fibre Toxicol. 2012 Nov 12; 9(1):42.
Li, K. G. and Chen, Y.S.*, (2011). “Aggregation kinetics of CeO2 nanoparticles in KCl and CaCl2 solutions: measurements and modeling”, Journal of Nanoparticle Research, 13,6483–6491
Zhang, W.; Yao, Y.; Sullivan, N.; Chen, Y.S.*, (2011). "Modeling the primary size effects of citrate-coated silver nanoparticles on their ion release kinetics", Environmental Science and Technology, 45, 4422-4428
Zhang, W.; Yao, Y.; Li, K. G.; Huang, Y.; Chen, Y.S.*, (2011). “Influence of dissolved oxygen on aggregation kinetics of citrate-coated silver nanoparticles”, Environmental Pollution , 159, 3757-3762
Zhang, W.; Rittman, B.; Chen, Y.S.*, (2011). “Size effects on adsorption of hematite nanoparticles on Ecoli cells.”, Environmental Science and Technology, 45, 2172–2178
Wang, J. X.; Zhu, X. S.; Zhang, X. Z.; Zhao, Z.; Liu, H.; Wilson-Rawls, R. G. J.; Chang, Y.; Chen, Y.S.*, (2011). “Disruption of zebrafish (Danio rerio) reproduction upon chronic exposure to TiO2 nanoparticles”, Chemosphere, 83, 461-467
Zhang, W.; Yao, Y.; Chen, Y.S.*, (2011). “Imaging and Quantifying the Morphology and Nanoelectrical Properties of Quantum Dot Nanoparticles Interacting with DNA”, J. Phys. Chem. C, 15, 599–606
Yang, Y.; Li, X.; Hu, H. Y.; Zhang, X.; Yu, Y.; Chen, Y.S.*, (2011). “Growth and lipid accumulation properties of a freshwater microalga, Chlorella ellipsoidea YJ1, in domestic secondary effluents”, Applied Energy, doi:10.1016/j.apenergy.2010.11.029
Yang, J.; Xu, M.; Zhang, X. Z.; Hu, Q.; Sommerfeld, M.; Puruhito, E.; Chen, Y.S.*, (2011). “Life-cycle analysis on biodiesel production from microalgae: Water footprint and nutrients balance”, Bioresource Technology, 102, 159–165
Xu, M.; Li, R.; Crittenden, J. C.; Chen, Y. S. (2011). “CO2 emissions embodied in China’s exports from 2002 to 2008: A structural decomposition analysis”, Energy Policy, doi:10.1016/j.enpol.2011.08.068
Zhang,W.; Stack, A. G.; Chen, Y.S.*, (2011). “Interaction Force Measurement between E. coli Cells and Nanoparticles Immobilized Surfaces with Using AFM”, Colloids and Surfaces B: Biointerfaces, 82, 316–324
Tao, X. *, He, Y., Zhang B., Chen, Y.S. and Hughes J. B. (2011), “Effects of stable aqueous fullerene nanocrystal (nC60) on Daphnia magna: evaluation of hop frequency and accumulations under different conditions”, Journal of Environmental Sciences, 2:23
Zhang, W.; Kalive, M.; Capco, D. G.; Chen, Y.S.*, (2010). “Adsorption of Hematite Nanoparticles onto Caco-2 Cells and the Cellular Impairments: effect of particle size”, Nanotechnology, 21, 355103-35512
Tang, Q.; Li, Y. F.; Zhou, Z.; Chen, Y. S.; Chen, Z. F. (2010). "Tuning Electronic and Magnetic Properties of Wurtzite ZnO Nanosheets by Surface Hydrogenation" ACS Applied Materials & Interfaces, 2, 2442-2447.
Li, Y., Zhou, Z., Jin, P., Chen, Y.S., Zhang, S. B., Chen, Z., (2010). “Achieving Ferromagnetism in Single-Crystalline ZnS Wurtzite Nanowires via Chromium Doping”, J. Phys. Chem. C, 114(28): 12099-12103
Zhang, X. Z.; Hu, Q.; Sommerfeld, M.; Puruhito, E.; Chen, Y.S.*, (2010). “Harvesting algal biomass for biofuels using ultrafiltration membranes”, Bioresource Technology, 101, 5297–5304
Xu, M.; Crittenden, J. C.; Chen, Y. S.; Thomas, V.; Noonan, D.; DesRoches, R.; Brown, M.; French, S. (2010). "Gigaton Problems Need Gigaton Solutions", Environmental Science & Technology, 44, 4037-4041
Zhu, X. S.; Wang, J. X.; Zhang, X. Z.; Chang, Y.; Chen, Y.S.*, (2010). “Trophic transfer of TiO2 nanoparticles from Daphina to zebrafish in a simplified freshwater food chain”, Chemosphere, 79, 928–933
Zhu, X. S.; Chang, Y.; Chen, Y.S.*, (2010). “Toxicity and bioaccumulation of TiO2 nanoparticle aggregates in Daphnia magna”, Chemosphere, 78, 209–215
Koenema, B. A.; Zhang, Y.; Westerhoff, P.; Chen, Y. S.; Crittenden, J. C.; Capco, D. G. (2010) “Toxicity and cellular responses of intestinal cells exposed to titanium dioxide”, Cell Biol Toxicol, 26, 225–238
Konsowa, A.H.; Ossman, M.E.; Chen, Y. S.; Crittenden, J. C. (2010). “Decolorization of industrial wastewater by ozonation followed by adsorption on activated carbon”, Journal of Hazardous Materials, 176, 181-185
Zhu, X. S.; Wang, J. X.; Zhang, X. Z.; Chang, Y.; Chen, Y.S.*, (2009). “The impact of ZnO nanoparticle aggregates on the embryonic development of zebrafish (Danio rerio)”, Nanotechnology, 20, 195103 (9pp)
Zhu, X. S.; Zhu, L.; Chen, Y.S.*; Tian, S. Y. (2009). “Acute toxicities of six manufactured nanomaterial suspensions to Daphnia magna”, Journal of Nanoparticle Research, 11, 67-75
Zhang, Y.; Chen, Y.S.*; Westerhoff, P.; Crittenden, J. C. (2009). “Impact of natural organic matter and divalent cations on the stability of aqueous nanoparticles”, Water Research, 43, 4249-4257
Koeneman, B. A.; Zhang, Y.; Hristovski, K.; Westerhoff, P.; Chen, Y. S.; Crittenden, J. C.; Capco, D. G. (2009). “Experimental approach for an in vitro toxicity assay with non-aggregated quantum dots”, Toxicology in Vitro, 23, 955–962
Tao, X. J.; Fortner, J. D.; Zhang, B.; He, Y. L.; Chen, Y. S.; Hughes, J. B. (2009). “ Effects of aqueous stable fullerene nanocrystals (nC60) on Daphnia magna: Evaluation of sub-lethal reproductive responses and accumulation”, Chemosphere, 77, 1428-1487
Sun, H. W.; Zhang, X. Z.; Zhang, Z. Y.; Chen, Y. S.; Crittenden, J. C. (2009). “Influence of titanium dioxide nanoparticles on speciation and bioavailability of arsenite”, Environmental Pollution, 157, 1165–1170
Li, Y. F.; Zhou, Z.; Chen, Y. S.; Chen, Z. F. (2009). “Do all wurtzite nanotubes prefer faceted ones?”, The Journal of Chemical Physics, 130, 1-5
Wang, R.; Tsow, F.; Zhang, X. Z.; Peng, J. H.; Forzani, E. S.; Chen, Y. S.; Crittenden, J. C.; Destaillats, H. G.; Tao, N. J. (2009). “Real-Time Ozone Detection Based on a Microfabricated Quartz Crystal Tuning Fork Sensor”, Sensor, 9, 5655-5663
Zhang, X. Z.; Chen, Y. S.; Konsowa, A. H.; Zhu, X. S.; Crittenden, J. C. (2009). “Evaluation of an innovative polyvinyl chloride (PVC) ultrafiltration membrane for wastewater treatment”, Separation and Purification Technology, 70, 71–78
Lyons, E.; Zhang, P.; Benn, T.; Sharif, F.; Li, K.; Crittenden, J. C.; Costanza, M.; Chen, Y. S. (2009). “Life cycle assessment of three water supply systems: importation, reclamation and desalination”, Water Science and Technology: Water Supply, 9, 439-448
Wang, J. X.; Zhang, X. Z.; Chen, Y. S.; Sommerfeld, M.; Hu, Q. (2008). “Toxicity Assessment of Manufactured Nanomaterials Using the Unicellular Green Algae Chlamydomonas reinhardtii” Chemosphere, 73, 1121–1128
Zhu, X. S.; Zhu, L.; Lang, Y. P.; Chen, Y. S. (2008). “Oxidative stress and growth inhibition by nC60 on fish”, Environmental Toxicology and Chemistry, 27, 1979-1985
Zhang, Y.; Chen, Y.S.*; Westerhoff, P.; Crittenden, J. C. (2008). “Stability and Removal of Water Soluble CdTe Quantum Dots in Water”, Environmental Science and Technology, 42, 321-325
Zhou, Z.; Li, Y. F.; Liu, L.; Chen, Y. S.; Zhang, S. B.; Chen, Z. F. (2008). “One-Dimensional ZnO Nanostructures: Size- and Surface-Dependent Stability, Electronic Properties, and Potential Chemical Sensors”, Journal of Physical Chemistry C; 112, 13926–13931
Zhang, Y.; Chen, Y. S.; Westerhoff, P.; Hristovski, K.; Crittenden, J. C. (2008). “Stability of commercial metal oxide nanoparticles in water”, Water Research, 42, 2204-2212
Zhou, Z.; Zhao, J.; Chen, Y. S.; Schleyer, P. v. R.; Chen, Z. F. (2007). “Energetics and Electronic Structures of AlN Nanotubes/Wires and their Potential Application as Ammonia Sensors” Nanotechnology, 18, 424023 (7pp)
Kaneco, S.; Chen, Y. S.; Westerhoff, P.; Crittenden, J.C. (2007). “Fabrication of uniform size titanium oxide nanotubes: Impact of current density and solution conditions”, Scripta Materialia, 56, 373-376
Zhang, X. Z.; Sun, H. W.; Zhang, Z.; Niu, Q.; Chen, Y. S.; Crittenden, J. C. (2007). “Enhanced Accumulation of Arsenic in Carp in the Presence of Titanium Dioxide Nanoparticles”, Water, Air, and Soil Pollution, 178, 245–254
Zhang, X. Z.; Sun, H. W.; Zhang, Z.; Niu, Q.; Chen, Y. S.; Crittenden, J.C. (2007). “Enhanced bioaccumulation of cadmium in carp in the presence of titanium dioxide nanoparticles”, Chemosphere, 67, 160–166
Sanongraj, W.; Chen, Y. S.; Crittenden, J. C.; Destailats, H.; Hand, D.; Taylor, R. (2007). “Mathematical Model for Photocatalytic Destruction of Organic Contaminants in Air”, J. Air & Waste Manage. Assoc., 57, 1112–1122
Li, K.; Zhang, P.; Crittenden, J.C.; Guhathakurta, S.; Chen, Y. S.; Fernando, H.; Sawhney, A.; McCartney, P.; Grimm, N.; Joshi, H.; Konjevod, G.; Choi, Y. J.; Fonseca, E.; Allenby, B.; Gerrity, D.; Kahhat, R.; Torrens, P. M. (2007). “Development of a Framework for Quantifying the Environmental Impacts of Urban Development and Construction Practices,” Environmental Science and Technology, 41, 5130 – 5136
Hendrickson, C. T.; Matthews, H. S.; Bridges, M. W.; Allenby, B. R.; Crittenden, J. C.; Chen, Y. S.; Williams, E.; Allen, D. T.; Murphy, C. F.; Austin, S.; Davidson, C. I. (2007). “Adding Sustainability to the Engineer’s Toolbox: A Challenge for Engineering Educators,” Environmental Science and Technology, 41, 4847-4849
Li, H.; Chen, Y. S.; Crittenden, J. C.; Hand, D. H. (2007). “Modeling of Indoor Air Treatment of Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans Using High-Efficiency Particulate Air-Carbon Filtration”, J. Air & Waste Manage. Assoc. 56, 1155–1166
Chen, Y. S.; Crittenden, J. C.; Hackney, S.; Hand, D. W. (2005). "Preparation of a Novel TiO2 -based P-N Junction Nanotube Photocatalyst" Environmental Science and Technology, 39, 1201-1208 (THE RUNNER-UP ENVIRONMENTAL SCIENCE AND TECHNOLOGY 2005 EDITOR’S CHOICE TOP PAPER AWARD)
Wu, R. Q.; Qu, J. H.; Chen, Y. S. (2005). “Magnetic MnO-Fe2O3 powder -- a novel nanomaterial for the removal of azo dye from water”, Water Research, 39, 630-638
Wang D. S.; Chen, Y. S. (2003). “Particle Counter Applications in Drinking Water Treatment”, China Water and Wastewater, 19 (9): 29-31
Presentations: 
Bopeng Zhang and Chen, Y. S. “Model development for simulating thin-film reverse electrodialysis stack” SNO conference, Nov. 10-12, 2016, Orlando, Florida 
Xin Tong and Chen, Y. S. “Fouling resistant nanocomposite cation exchange membrane with enhanced power generation for reverse electrodialysis” SNO conference, Nov. 10-12, 2016, Orlando, Florida 
Chen, Y. S. “Novel Strategies for Crop Protection in Algal Biofuel Production”, The 4th Asia-Oceania Algae Innovation Summit, Sept. 18-21, 2016, East Lake International Conference Center, Wuhan, China
Yongsheng Chen, “Novel Nanomaterials for Environmental Pollutant Sensing, and Destruction, and Renewable Energy Production”, Chemistry of Environmental Sorptive & Oxidative Processes: Symposium in honor of Joseph J. Pignatello-Oral, ACS, August, 2016, Philadelphia 
Bopeng Zhang and Chen, Y. S. “Model development for simulation of RED stack” ACS annual conference, August, 2016, Philadelphia
 Chen, Y. S. “Novel Nanomaterials for Environmental Pollutant Destruction, Sensing, Water Treatment, and Renewable Energy Production”, 252 ACS conference, August, 21-25, 2016, Philadelphia, PA
Xin Tong and Chen, Y. S. “Fouling resistant nanocomposite cation exchange membrane with enhanced power generation for reverse electrodialysis” ACS annual conference, August, 2016, Philadelphia
Chen, Y.S. “Perspectives of environmental implications of nanotechnology”, May 14, 2016, Suzhou University of Science and Technology
Chen, Y.S. “Perspectives of environmental applications and implications of nanotechnology”, May 14, 2016, Changzhou University
Bopeng Zhang and Chen, Y. S. “High performance thin-film reverse electrodialysis stack for effectively harvesting salinity gradient energy” SNO conference, Nov. 8-10, 2015, Portland.
Chen, Y.S. “The Food, Energy, Water Nexus in Atlanta”, October 17-19, 2015, Shenzhen, China
Chen, Y.S. “Comprehensive understanding of environmental implications of nanotechnology”, Oct. 8, 2015, University of Illinois at Chicago.
Chen, Y.S. “Environmental implications of nanotechnology”, Zhejiang University, August 25, 2015, Beijing, China
Chen, Y.S. “Novel Membrane Technology for Renewable Energy Production”, University of Science & Technology of China, July 17, 2015, Hefei, China
Chen, Y.S. “Environmental implications of nanotechnology”, Beijing JiaoTong University, June 8, 2015, Beijing, China
Chen, Y.S. “Algal Biomass Production using Flue Gas and Wastewater”, Beijing JiaoTong University, June 8, 2015, Beijing, China
“Perspectives on implications of nanotechnology”, International Water Association, May 20-23, 2015, Dalian, China
Chen, Y.S. “Environmental implications of nanotechnology”, Shenyang Jianzhu University, May 19, 2015, Beijing, China
Chen, Y.S., Novel Membrane Technology for Renewable Energy Production, Tianjin University, Dec. 27, 2014
Chen, Y.S., Environmental Implications of Nanotechnology, NewFields, Atlanta, Sept. 2nd, 2014
Chen, Y. S., Nanomaterials for Photocatalytic Oxidation of Environmental Pollutants, Oxford University, August 25, 2014
Chen, Y.S. “Novel Membrane Technology for Renewable Energy Production”, Tongji University, June 26, 2015, Shanghai, China
Chen, Y. S., Environmental Implications of Nanotechnology, School of Environmental Science and Engineering at Nanjing University, July 24, 2014
Chen, Y. S., Environmental Implications of Nanotechnology, School of Environmental Science and Engineering at Beijing Normal University, July 21, 2014
Chen, Y. S., Perspective of Biofuel using Algal Biomass, Department of Environmental Science and Engineering at North China Electric Power University, July 4, 2014
Chen, Y. S., Environmental Implications of Nanotechnology, Department of Environmental Engineering at Peking University, June 18, 2014
Chen, Y. S., Environmental Implications of Nanotechnology, Royal Institute/University College Londaon, May 28, 2014
Chen, Y. S., Environmental Implications of Nanotechnology, Industrial Process Engineering, Chinese Academy of Sciences, May 22, 2014
Chen, Y. S., Introduction of Nano-related Research in School of Civil and Environmental Engineering at Georgia Tech, Nanolytica Workshop, Sponsored by PerkinElmer and School of Civil and Environmental Engineering at Georgia Tech; April 17th, 2014
Chen, Y. S., Environmental Implications of Nanotechnology, Georgia Institute of Technology, Environmental Engineering Seminar, Nov. 13th, 2013
Chen, Y.S., Toward a Comprehensive Understanding Environmental Implication of Nanotechnology, John Hopkins University, M. Gordon Wolman Seminar, Oct. 22, 2013
Chen, Y.S., Introduction to Environmental Engineering At Georgia Institute of Technology, Tianjin University, August 3-4, 2013
Chen, Y.S., Aggregation, Dissociation, ROS Generation of NPs and their Biological Effects, University of Science and Technology of China, July 30, 2013
Chen, Y.S., Aggregation, Dissociation, ROS Generation of NPs and their Biological Effects, Shanghai JiaoTong University, July 17-19, 2013
Chen, Y. S. , Kungang Li, Toward a Comprehensive Understanding of Nanotoxicity, 8th ICEENN Aix-en-Provence, July 2-5, 2013
Chen, Y.S. "Imaging, quantifying, predicting impacts of nanoparicles on biological local changes", Gordon Research Conferences Frontier of Science: Environmental Nanotechnology, June 2-7, 2013, Stowe, VT
Chen, Y.S. “Exploration of “Real Nano” impacts, Dec. 29, 2012, Sun Yat University
Chen, Y.S. “Exploring the Toxicity Mechanism of Engineered Nanoparticles on Various Organisms, the 9th International Symposium on Persistent Toxic Substances (ISPTS) October 23-27, 2012, Miami, Florida, USA
Chen, Y.S. “Potential Risks of Nanotechnology”, July 08-09, 2012, Xi’an University of Architecture & Technology
Chen, Y. S., Kungang Li, Wen Zhang, Stability of Engineered Nanoparticles in Aqueous Environments: Measurements and Modeling, the Goldschmidt 2012 Conference, June 24-29, 2012, Montreal, Canada
Chen, Y.S. “Potential Risks of Nanotechnology”, Sichuan University, June 18-21st, 2012
Chen, Y.S. “Integrated Approach for Renewable Biofuel Production Using Microalgae”, Sino-US NSF Urban Sustainability Workshop, June 14-16, 2012, Tianjin University
Chen, Y. S., Wen Zhang, Kungang Li, Stability and aggregation kinetics of cerium oxide nanoparticles in aqueous solution, Interfaces Against Pollution, June 11-14, 2012, Nancy, France
Wen Zhang and Y. S. Chen, Attachment efficiency prediction of engineered nanoparticle aggregation in aqueous dispersions using Maxwell approach, the 68th colloid surface science symposium, Johns Hopkins University, Maryland, June 10-13, 2012
Chen, Y. S. “Stability & Biological Interactions of Engineered Nanoparticles”, Spring 2012 NanoFANS Forum focusing on "Nanotoxicology", May 15, 2012, the GaTech-Institute for Electronics and Nanotechnology (IEN)
Baicang Liu, Chen Chen, Y.S. Chen, J. C. Crittenden, Effect of coagulation temperature on the characteristics of synthesized PVC membrane with Pluronic F 127 additives, the 243rd ACS National Meeting, Division of Polymer Chemistry, March 25-29, 2012, San Diego, California
Chen, Y. S. “Stability & Biological Interactions of Engineered Nanoparticles”, 3rd USAF ASC/AFRL Engineered Nanomaterials Environment, Safety, & Health Workshop, January 9-12, 2012, Ohio, USA
Zhang W. and Chen, Y. S. Cytotoxic effects of engineered nanoparticles at the bio-nano interface, Engineering Research Center for Environmentally Benign Semiconductor Manufacturing, TeleSeminar, and November 3, 2011.
Zhang W.; Chen, Y. S. “SRC annual review and grantees meeting”, SRC annual review and grantees meeting. GRC SEMATECH Engineering Research Center for Environmentally Benign Semiconductor Manufacturing Review, March 8–11, 2011, University of Arizona. Tucson, Arizona
Zhang W.; Chen, Y. S. “Aggregation and ion release kinetics of citrate-coated silver nanoparticles”, Wen Zhang and Yongsheng Chen., ACS 241st National Meeting & Exhibition in Anaheim, March 27–31, 2011, California.
Chen, Y. S.; Zhang W.; Li, K. G. “Stability of engineered nanoparticles under various environmental conditions: measurements and modeling”, Goldschmidt Conference in Prague, August 14-19, 2011, Czech Republic.
Zhang W.; Chen, Y. S. “Ion Release and Aggregation Kinetics of Citrate-coated Silver Nanoparticles in Aqueous Environment”, CEIN meeting at Duke University, April, 2011.
Li, K. G.; Zhang, W.; Chen, Y. S. “Biological Effects of Engineered Nanoparticles”, Gordon Research Conferences, Waterville Valley Resort, NH, May 29-June 3, 2011.
Chen, Y. S. “Life-Cycle Analysis on Biodiesel Production from Microalgae and Algae Harvesting/Dewatering”, TsingDao QIBET Energy Summit Conference, May 24, 2011
Chen, Y.S., “ Renewable biofuel production and wastewater treatment using microalgae”, Pall Corporation, May 5th, 2011
Zhang W.; Chen, Y. S. “SRC annual review and grantees meeting”, GRC SEMATECH Engineering Research Center for Environmentally Benign Semiconductor Manufacturing Review.” University of Arizona. Tucson, Arizona, March 8-11, 2011.
Zhang W.; Chen, Y. S. “Aggregation and ion release kinetics of citrate-coated silver nanoparticles in aqueous media,” ACS 241st National Meeting & Exhibition in Anaheim, California, March 27-31, 2011.
Chen, Y. S. “Bioaccumulation of Engineered Nanoparticles to Aquatic Organisms”, BIT’s 1st Annual World Congress of Nano-S&T 2011, October 23-26, 2011, Dalian, China
Zhang W.; Chen, Y. S. “Adsorption of Hematite Nanoparticles onto Caco-2 Cells and the Exposure Induced damages to Cells”, The second International Conference on Implication of Nanotechnology, Los Angles, 11th to 13th, 2010.
Zhang W.; Chen, Y. S. “Development of Quantitative Structure-Activity Relationship for Prediction of Biological Effects of Nanoparticles Associated with Semiconductor Industries”, GRC/ SEMATECH Engineering Research Center for Environmentally Benign Semiconductor Manufacturing Review, Tucson, Arizona, February 17-19, 2010.
Chen, Y. S. “Bioaccumulation and toxicity of nanoparticles in aquatic organisms”, SRC/ SEMATECH Engineering Research Center for Environmentally Benign Semiconductor Manufacturing, 2010 Annual Review Meeting Short Courses, Tucson, Arizona, February 17, 2010.
Chen, Y. S. “Algal biomass as feedstock for renewable biofuel production”, 2010 Sino-US Environmental Protection and Energy Summit & Expo, Atlanta, April 23-25, 2010.
Chen, Y. S. “Fate, Transport, Biological Effects and Toxicity of Nanomaterials”, Tsinghua University, Beijing, April 13th, 2010.
Chen, Y. S. “Environmental implications of nanotechnology”, Shanghai JiaoTong University, Beijing, April 17th, 2010.
Zhang W.; Chen, Y. S. “Development of Quantitative Structure-Activity Relationship for Prediction of Biological Effects of Nanoparticles Associated with Semiconductor Industries.” ICEIN 2010: International Conference on the Environmental Implications of Nanotechnology, University of California Los Angeles (UCLA), Los Angeles, California, May 11 - 13, 2010.
“Aquatic fate of nanoparticles and their analysis”, Yongsheng Chen, Hamburg, Germany, July 21-22, 2010.
Chen, Y. S. “Emerging contaminants-nanoparticles and their monitoring”, Vienna, Austria, July 27-28, 2010.
Chen, Y. S. “Implication study of nanotechnology in USA”, Nankai University, July 8-9, 2010.
Zhang W.; Chen, Y. S. “Development of an In Vitro Test and a Prototype Model to Predict Cellular Penetration of Nanoparticles.” 2010 U.S. EPA Nanotechnology Grantees Meeting. Portland, Oregon, In Conjunction with the SETAC North America 31st Annual Meeting Bridging Science with Communities. November 8~9, 2010.
Chen, Y. S. “Potential Environmental Consequences of Nanomaterials”, Beijing Normal University, Beijing, Dec. 28, 2010.
Chen, Y. S. “Environmental Behavior of Nanomaterials”, Nanjing University, Nanjing, Dec, 27, 2010.
Chen, Y. S. “Environmental Fate and Transport of Nanomaterials”, East China University of Science and Technology, Shanghai, Dec. 21st, 2010.
Chen, Y. S. “Environmental Implications of Nanotechnology”, 2ND USAF ASC/AFRL ESOH NANOMATERIALSWORKSHOP, OHIO, ON 3‐5, NOVEMBER, 2009.
Zhang, X. Z.; Chen, Y. S. and Crittenden, J. C. “Evaluation of Litree PVC Ultrafiltration Membrane In Scottsdale Wastewater Treatment Plant” IWA membrane conference in Beijing, July, 2009.
Chen, Y. S.; Chang, Y. and Hu, Q. “Evaluation of Toxicity and Bioaccumulation of Nanopariticles Using Aquatic Organisms”, ERC center web seminar, May 28, 2009.
Zhang W.; Chen, Y. S. et. al., “Methodology Development for Adhesion Force Measurement between Nanomaterials and Cells Using AFM”, 237th American Chemical Society National Meeting & Exposition, Salt Lake City, UT, March 22 - 26, 2009.
Chen, Y. S.; Thornton, T.; Posner, J. “Development of Quantitative Structure-Activity Relationship for Prediction of Biological Effects of Nanoparticles Associated with Semiconductor Industries”, Engineering Research Center for Environmentally Benign Semiconductor Manufacturing, University of Arizona, Jan. 2009.
Zhang, W.; Chen, Y. S. Rittmann, B.; Crittenden, J. C. “Methodology Development for Adhesion Force Measurement between Nanomaterials and Cells Using AFM”. 48th Annual Arizona-Southern Nevada ASM Branch Meeting. Arizona State University, Tempe, Arizona, April, 12, 2008.
Zhang, W.; Zhu, X. S.; Zhang, X. Z.; Chang, Y.; Hu Q.; Rittman, B.; Crittenden, J. C. and Chen, Y. S. “Potential toxicity of nanomaterials and their removal”, EPA International Environmental Nanotechnology Conference. Chicago, Illinois, Oct 2008.
Zhang, W.; Zhu, X. S.; Zhang, X. Z.; Wang, J. X.; Zhang, Y.; Chang, Y.; Hu Q.; Rittman, B.; Crittenden, J. C. and Chen, Y. S. “Potential environmental and ecological effect of nanomaterials”, ACS 42nd Western Regional Meeting. Las Vegas, Nevada, Sep 2008.
Zhang, W.; Zhu, X. S.; Zhang, X. Z.; Chang, Y.; Rittman, B.; Crittenden, J. C.; Chen, Y. S. “Potential toxicity of nanomaterials and their removal” Arizona Regional Nanotechnology Conference, April 2008.
Zhu, X. S.; Wang, J. X.; Zhang, X. Z.; Chang, Y.; Hu, Q.; Crittenden, J. C.; Chen, Y. S. “Toxicity of ZnO Nanoparticle Sedimentation on Zebrafish Embryo Development” NanoTech Meeting, June 2008.
Chen, Y. S. ; Zhang, Y.; Westerhoff, P. and Crittenden, J. C. “Environmental Applications and Implications of Nanotechnology”, Nanjing University and Jiangsu Environmental Protection Agency, June 16, 2008.
Chen, Y. S.; Zhang, Y.; Westerhoff, P. and Crittenden, J. C. “Environmental Applications and Implications of Nanotechnology”, Hong Kong University of Science and Technology, June 8, 2008.
Zhang, X. Z.; Chen, Y. S.; Sun, H. W.; and Crittenden, J. C. “The Impact of TiO2 Nanoparticles on Bioaccumulation of Arsenic in Fish”. The 2nd Nanotoxicology Conference: Progress and Future Perspectives. Venice, Italy, April 2007.
Zhang, X. Z.; Chen, Y. S.; Sun, H. W.; and Crittenden, J. C. “Adsorption/desorption of Cd by titanium dioxide nanoparticles and sediment particles as well as their facilitated bioaccumulation of Cd into carp”. NSTI (Nano Science and Technology Institute) Nanotech 2007. Santa Clara, California, May 2007.
Zhang, X. Z.; Chen, Y. S. Sun, H. W.; and Crittenden, J. C. “Bioaccumulation of nanomaterials and their potential impact”. AEESP (Association of Environmental Engineering and Science Professors) Conference 2007. Blacksburg, Virginia, July 2007.
Crittenden, J. C.; Chen, Y. S. and Li, L. “Sustainable Urban Engineering and Science,” American Association of Environmental Engineering and Science Professors Workshop: Frontiers in Environmental Engineering Education, Arizona State University, Tempe, AZ, January 10, 2007.
Crittenden, J. C.; Chen, Y. S. and Li, L. “Sustainable Urban Engineering and Science,” Department of Civil and Environmental Engineering, Univeristy of California - Riverside, February 2, 2007.
Crittenden, J. C.; Chen, Y. S. and Li, L. “Sustainable Urban Engineering and Science,”, University of Vermont, April 13, 2007.
Crittenden, J. C.; Chen, Y. S. and Li, L. “Sustainable Urban Engineering and Science,” Key Note Speaker at the Energy and Environment Conference, Washington University, St Louis, MO, May 6, 2007.
Crittenden, J. C.; Zhang, Z.; Koeneman, B.; Hristovski, K.; Westerhoff, P.; Chen, Y. S. and Capco, D. G. “Application of Nanotechnology for Adsorption Processes,” Plenary Lecture, International Water Association Leading Edge Technology Conference, Singapore, June 6, 2007.
Crittenden, J. C.; Zhang, Z.; Koeneman, B.; Hristovski, K.; Westerhoff, P.; Chen, Y. S. and Capco, D. G.; Gerrity, D.; Ryu, H. and Abbaszadegan, M. “Nanoparticles in the Water Environment: Characterizatioin, Removal, Environmental Applications, Bioaccumulation and Cytotoxicity”, Department of Environmental Science and Engineering, Tsinghua Unversity, Beijing, China, July 24th, 2007.
Crittenden, J. C.; Zhang, Z.; Koeneman, B.; Hristovski, K.; Westerhoff, P.; Chen, Y. S. and Capco, D. G.; Gerrity, D.; Ryu, H. and Abbaszadegan, M. “Nanoparticles in the Water Environment: Characterizatioin, Removal, Environmental Applications, Bioaccumulation and Cytotoxicity”, Department of Environmental Science and Engineering, Chinese Academy of Sciences, Institute of Chemistry. July 30th, 2007.
Chen, Y. S. and Crittenden, J. C. “Early Response Technologies for 2008 Olympic Water Supply Systems”, Beijing Drinking Water Supply Company, Hangzhou, China, July 28, 2007.
Chen, Y. S. and Alum, A. “Toxicity screening of Nanoparticles in Drinking Water”, National Science Foundation Water Quality Center Meeting, May 2007.
Chen, Y. S. “Nanotechnology Educations in USA”, ASU-Taiwan Nanotechnology Education Workshop, ASU, April 11, 2007.
Chen, Y. S. and Zhang, X. Z. “PVC Ultra filtration membrane for Scottsdale Wastewater Treatment”, National Science Foundation Water Quality Center Meeting, Nov 2007.
Chen, Y. S. ; Zhang, Y.; Westerhoff, P.; Capco, D. G.; Crittenden, J. C. “Impacts of Nanomaterials on human health and the Environment”, Department of Environmental Science, Guangzhou Medial University, June 20, 2006.
Chen, Y. S.; Westerhoff, P. and Crittenden, J. C. “Emerging Technologies for Early Warning Water Supply Systems”, Plenary Session, Chinese Water Association Conference, Hangzhou, China, March 8, 2006.
Crittenden, J. C.; Chen, Y. S. and Li, L. “Sustainable Urban Engineering and Science,” Department of Civil and Environmental Engineering, Stanford University, December 1, 2006.
Westerhoff, P.; Chen, Y. S.; Capco D. G. and Crittenden, J. C. “The Fate, Transport, Transformation and Toxicity of Manufactured Nanomaterials in Drinking Water” U.S. EPA 2005 Nanotechnology Science to Achieve Results (STAR) Progress Review Workshop - Nanotechnology and the Environment II, October 26-28, 2005.
Hristovski, K.; Zhang, Y.; Koeneman, B. A.; Chen, Y. S.; Westerhoff, P.; Capco D. G. and Crittenden, J. C. “Nanomaterials in water environments: potential applications, treatments, fate, and potential biological consequences”, Yongsheng Chen, Paul Westerhoff, David G. Capco and John Crittenden, Washington, DC, USA, Aug. 28-Sept. 1, 2005.
Li, K.; Gerrity, D.; Guhathakurta, S.; Crittenden, J.; Sawhney, A.; Fernando, H.; McCartney, P.; Grimm, N.; Joshi, H.; Konjevod, G.; Choi, Y.-j.; Winter, S.; Chen, Y.; Allenby, B. “Informed Decision Making towards a More Sustainable Urban Development”, ISIE 2005 Conference, Stockholm, Sweden, 2005.
Li, K.; Gerrity, D.; Guhathakurta, S.; Crittenden, J.; Sawhney, A.; Fernando, H.; McCartney, P.; Grimm, N.; Joshi, H.; Konjevod, G.; Choi, Y.-j.; Winter, S.; Chen, Y.; Allenby, B. “Holistic Approach for the Study of Urban Development and Sustainability”, UrbanSim User Group Meeting, San Antonio, TX, 2005.
Guhathakurta, S.; Joshi, H.; Li, K.; Crittenden, J.; Sawhney, A.; Fernando, H.; McCartney, P.; Grimm, N.; Konjevod, G.; Chen, Y.; Allenby, B.; Gerrity, D.; Winter, S.; Choi, Y.-j. “Simulating and Visualizing Phoenix Urban Futures with UrbanSim Modeling”, Environment ISIE 2005 Conference, Stockholm, Sweden, 2005.
Chen, Y. S.; Westerhoff, P.; Capco D. G. and Crittenden, J. C. “Fate, Transport, Transformation, and Toxicity of Nanomaterials in Conventional Drinking Water Treatment Processes”, Yongsheng Chen, Paul Westernhoff, John C. Crittenden, and David Capco, U.S. EPA 2004 Nanotechnology Science to Achieve Results (STAR) Progress Review Workshop - Nanotechnology and the Environment II, August 18-20, 2004.
Li, H. B.; Chen, Y. S.; and Crittenden, J. C. “Assessment of Indoor Air Treatment Devices”, American Lung Association of Arizona/New Mexico, Feb. 7th, 2004.
Chen, Y. S.; Perram, D.; Crittenden, J. C. and Hand, D. W. “Nanotube Semiconductor Photocatalytic Purification of Air”, presented at ACS National Meeting (Aug. 26-30, Chicago), 2001.
Publications (Books): 
David Capco and Yongsheng Chen, “Nanomaterial: Impacts on Cell Biology and Medicine”, published by Springer, (2014), XI, 278 p. 70 illus., 42 illus. in color.
Liz Minne, Arka Pandit, John C. Crittenden, Miroslav M. Begovic, Insu Kim, Hyunju Jeong, Jean-Ann James, Zhongming Lu, Ming Xu, Steve French, Muthukumar Subrahmanyam, Douglas Noonan, Marilyn A. Brown, Jess Chandler, Yongsheng Chen, Eric Williams, Reginald Desroches, Bert Bras, Ke Li, and Michael Chang, Chapter 8 -- “Energy and Water Interdependence, and Their Implications for Urban Areas”, Book – Electrical Transmission Systems and Smart Grids, published by Springer (2013).
Jiangxin Wang, Xiaoshan Zhu, Yongsheng Chen, Yung Chang, Chapter 20 – “Application of Embryonic and Adult Zebrafish for Nanotoxicity Assessment”, Book – Nanotoxicity: Methods in Molecular Biology, Vol. 926, 2012, pp317-329
Wang, J. X., Zhu, X. S., Chen, Y. S. and Chang, Y. Chapter 7 – “The application of embryonic and adult zebrafish for assessing nanotoxicology”, Book- Methods in Nanotoxicity, published by Humana Press, USA (part of the Springer publishing group) (2011).
Westerhoff, P., Zhang, Y., Crittenden, J. C. and Chen, Y. S. Chapter 4 - “Properties of Commercial Nanoparticles that Affect Their Removal during Water Treatment”, Book - Nanoscience and Nanotechnology – Environmental and Health Impacts, Edited by Vicki H. Grassian (2008).
Zhuang, Y. Y., Fu, X. Q., Chen, Y. S., Bai, Z. P. and Liao, H. Environmental Science, Published by Tianjin Science and Technological Press (1997).
Phone: 
404.894.3089
2015 SIGMA Xi Best PhD. Thesis Advisor Award
2012, American Environmental Engineering and Science Professors’s recipient of the 2012 CH2M Hill/AEESP Outstanding Doctoral Dissertation Advisor Award.
2012, “Thanks for being a great teacher” certificate for excellence in teaching, The Center for the Enhancement of Teaching and Learning (CETL), Georgia Institute of Technology
2012, Selected as a member of Chinese Thousand Talents Program
C&EN feature papers: http://pubs.acs.org/cen/science/89/8911sci2.html
Certificate of Merit for Presentation at ACS 242th National Meeting, 2011
Certificate of Appreciation for the Peer Review Contribution, ACS, 2011
Publication in 2010 News: http://nanotechweb.org/cws/article/lab/43670
2007, Top viewed article in Scripta Materialia for January - March 2007
2006, Runner-up for the editors choice award for the most significant technology based paper that was submitted to the Journal of Environmental Science and Technology
2005, Most Accessed Articles from Environmental Science & Technology
2000, Exceptional Advising in Student Life, Michigan Technological University
1997, Motorola Teaching Award