Ellen Robertson

Assistant Professor of Chemistry

Office: WOLD 217
Phone: (518) 388-7039
Fax: (518)388-6795
Email: roberte2@union.edu

Education:

B.S. Chemistry, Kalamazoo College, 2008
Ph.D. Physical Chemistry, University of Oregon, 2014

Courses:

CHM 101 Intro Chemistry I
CHM 101L Intro Chemistry I Lab
CHM 102 Intro Chemistry II
CHM 102L Intro Chemistry II Lab
CHM 351 Kinetics & Thermodynamics
CHM 351L Kinetics & Thermodynamics Lab
CHM 352 Quantum Chemistry
CHM 352L Quantum Chemistry Lab

Research Interests:

Research focuses on using molecular self-assembly at the air-water and oil-water interface to fabricate novel two-dimensional (2D) nanomaterials. Specifically, I am using functionalized amphiphiles (i.e. lipid-like molecules), to self-assemble with hydrophobic gold nanoparticles at fluid interfaces. The assembled 2D amphiphile-nanoparticle films can be transferred to solid surfaces, where they have the potential to be used as surface enhanced Raman scattering (SERS) sensors for environmental pollutants like heavy metals, pesticides, and polyaromatic hydrocarbons. The research in my group is interdisciplinary in nature, so students will be exposed to a wide range of experimental techniques related to the physical chemistry of fluid interfaces, the deposition of thin films, the characterization of 2D nanomaterials, and the detection of environmental pollutants.

Recent Publications:

“Glycosylated Peptoid Nanosheets as a Multivalent Scaffold for Protein Recognition.” A. Battigelli, J. Kim, D. Dehigaspitiya, C. Proulx, E. J. Robertson, D. Murray, B. Rad, K. Kirshenbaum, and R. N. Zuckermann. ACS Nano, in press.

“Structure-rheology relationship in nanosheet-forming peptoid monolayers.”E. J. Robertson, E. M. Nehls, and R. N. Zuckermann. Langmuir, 2016, 32, 12146. Featured as front cover of vol. 32, issue 46.

“Molecular engineering of the peptoid nanosheet hydrophobic core.” E. J. Robertson, C. Proulx, J. Su, R. Garcia, S. Yoo, E. M. Nehls, M. D. Connnolly, L. Taravati, and R. N. Zuckermann. Langmuir, 2016, 32, 11946. Featured as front cover of vol. 32, issue 45.

“Improved chemical and mechanical stability of peptoid nanosheets by photo-crosslinking the hydrophobic core.” D. Flood, C. Proulx, E. J. Robertson, A. Battigelli, S. Wang, A. M. Schwartzberg, and R. N. Zuckermann, Chem. Commun. 2016, 52, 4753. Featured as inside front cover of vol. 52, no. 26.

“Highly stable and self-repairing membrane-mimetic 2D nanomaterials assembled from lipid-like peptoids.” H. Jin, F. Jiao, M. D. Daily, Y. Chen, F. Yan, Y. Ding, X. Zhang, E. J. Robertson, M. D.  Baer, and C. Chen, Nat. Commun. 2016, 7, 12252.

“Design, synthesis, and assembly of peptoid nanosheets.” E. J. Robertson, A. Battigelli, C. Proulx, R. V. Mannige, T. K. Haxton, S. Whitelam, and R. N. Zuckermann, Acc. Chem. Res., 2016, 49, 379. Featured as front cover of vol. 49, issue 3.

“Peptoid nanosheets exhibit a new secondary-structure motif.” R. V. Mannige, T. K. Haxton, C. Proulx, E. J. Robertson, A. Battigelli, G. L. Butterfoss, R. N. Zuckermann, and Whitelam, Nature, 2015, 526, 415. Featured in a C&En news article: “Peptoids Do a Double Twist.“ 2015, 93(40), p.30.

“Twist and turn: Effect of stereoconfiguration on interfacial assembly of polyelectrolytes.” A. Valley, E. J. Robertson, and G. L. Richmond, Langmuir, 201430, 14226.

“Molecular insights in the structure and layered assembly of polyelectrolytes at the oil/water interface.” E. J. Robertson and G. L. Richmond, J. Phys. Chem. C, 2014, 118, 28331. Featured as front cover of vol. 118, issue 49.

“Assembly and molecular order of two-dimensional peptoid nanosheets through the oil-water interface.” E. J. Robertson, G. K. Olivier, M. Qian, C. Proulx, R. N. Zuckermann, and G. L. Richmond, Proc. Natl. Acad. Sci. U.S.A, 2014, 111, 13284.

“Metal Ion Induced Adsorption and Ordering of Charged Macromolecules at the Aqueous/Hydrophobic Liquid Interface.” E. J. Robertson, A. P. Carpenter, C. M. Olson, R. Ciszewski, and G. L. Richmond, J. Phys. Chem. C, 2014, 118, 15260.

“Designated Drivers: The Differing Roles of Divalent Metal Ions in Surfactant Adsorption at the Oil-Water Interface.” E. J. Robertson, D. K. Beaman, and G. L. Richmond, Langmuir2013, 29, 15511.

“Chunks of Charge: Effects at Play in the Assembly of Macromolecules at Fluid Surfaces.” E. J. Robertson and G. L. Richmond, Langmuir, 2013, 29, 10980.

“Metal Ions: Driving the Orderly Assembly of Polyelectrolytes at a Hydrophobic Surface.” D. Beaman, E. J. Robertson, and G. L. Richmond, Langmuir, 2012, 28, 14245.“Ordered Polyelectrolyte Assembly at the Oil-Water Interface.” D. K. Beaman, E. J. Robertson, and G. L. Richmond, Proc. Natl. Acad. Sci. U.S.A., 2012, 109, 3226.

“Temperature Dependence of Pressure Broadening and Shifts of Acetylene at 1550 nm by N2.” N.T. Campbell et al., Molecular Physics, 2011, 109, 2199.

“Unique Assembly of Charge Polymers at the Oil-Water Interface.” D. K. Beaman, E. J. Robertson, and G. L. Richmond, Langmuir, 2011, 27, 2104.

“From Head to Tail: Structure, Solvation, and Hydrogen Bonding of Carboxylate Surfactants at the Organic-Water Interface.” D. K. Beaman, E. J. Robertson, and G. L. Richmond, J. Phys. Chem. C, 2011, 115, 12508.

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