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Education

Ph.D. University of California at Santa Barbara, Chemistry (2001)
B.A. University of California at Berkeley, Cell Biology (1996)

Awards

• Alfred P. Sloan Research Fellow, 2011
• DOE Early Career Award, 2011
• NSF CAREER Award, 2011
• DARPA Young Faculty Award, 2009
• Hellman Faculty Fellow Award, 2009
• National Academy of Engineering Frontiers of Engineering Symposium Attendee, Armonk, NY 2010
• IBM Innovation Research Award, 2005-2007
• IBM Research Division Award, 2004

Selected Publications

• G.R. Hafenstine, K. Ma, A.R. Harris, E. Park, O. Yehezkeli, D.W. Domaille, J.N. Cha*, A.P. Goodwin*, “Photocatalytic and Organocatalytic Production and Separation of C8 Hydrocarbons from C4 Cell Metabolites”, ACS Catalysis, in press 2017

• M. Brasino, J.N. Cha*, “Real-Time Femtomolar Detection of Cancer Biomarkers from Photoconjugated Antibody-Phage Constructs”, Analyst, in press, 2017

• O. Yehezkeli, N.M. Bedford, E. Park, K. Ma, J.N. Cha*, “Semiconductor based Solar Driven Photochemical Cells for Fuel Generation from CO₂ in Aqueous Solutions”, ChemSusChem, in press, (2016), DOI: 10.1002/cssc.201601105

• K. Ma, O. Yehezkeli, E. Park, J.N. Cha*, “Enzyme Mediated Increase in Methanol Production from Photoelectrochemical Cells and CO₂” ACS Catalysis, in press, (2016), DOI: 10.1021/acscatal.6b02524

• L. He, J. Dragvon, S. Cho, C. Mao, A. Yildirim, K. Ma, R. Chattraj, A.P. Goodwin, W. Park, J.N. Cha*, “Self-assembled gold nanostar-NaYF₄:Yb/Er clusters for multimodal imaging, photothermal and photodynamic therapy” J. Mater. Chem. B, 4, 4455-4461 (2016)

• D.W. Domaille, G.R. Hafenstine, M.A Greer, A.P. Goodwin, J.N. Cha*, “Catalytic Upgrading in Bacteria-Compatible Conditions via a Biocompatible Aldol Condensation”, ACS Sust. Chem. & Eng., 4, 671-675 (2016)

• L. He, C. Mao, S. Cho, K. Ma, W. Xi, C.N. Bowman, W. Park, J.N. Cha*, “Experimental and theoretical photoluminescence studies in nucleic acid assembled gold-upconverting nanoparticles clusters”, Nanoscale, 7, 17254 - 17260 (2015)

• K. Ma, O. Yehezkeli, D.W. Domaille, H.H. Funke, J.N. Cha*, “Enhanced Hydrogen Production from DNA-Assembled Z-Scheme TiO₂-CdS Photocatalyst Systems”, Angew. Chem. Int. Ed., 54, 11490-11494 (2015)

• O. Yehezkeli, A. Harguindey, D.W. Domaille, L. He, J.N. Cha*, “Synthesis and phase transfer of well-defined BiVO₄ nanocrystals for photocatalytic water splitting”, RSC Adv., 5, 58755-58759 (2015)��

Research Interests

Research in the��Biomolecular Materials and Nanoscale Assembly Lab��is focused on the design and use of chemistry, biology and chemical engineering to synthesize and create well-defined organic-inorganic systems from nanoscale building blocks. Because biological molecules, such as peptides, DNA, and proteins, provide significant capabilities for the assembly of nanoscale materials, a significant portion of the research centers at developing bio-nano interfaces and using biomolecular interactions for the assembly. Specific applications include engineering novel protein nanosensors for��in vitro��and��in vivo��detection, using DNA for nanoparticle thin film device fabrication and developing novel bio-inorganic interfaces for catalysis.