Publications

14. Independent Control of Conformation and Grafting Density in Single Stranded (ss) DNA brushes; Aric Opdahl; Dmitri Petrovykh; Hiromi Kimura-Suda; Lloyd Whitman; Michael Tarlov; Proceedings of the National Academy of Science  2006. (submitted) 

13. Determining Orientation and Ordering of Single-Stranded DNA on Gold; Dmitri Petrovykh; Virginia Dieste-Perez; Aric Opdahl; Hiromi Kimura-Suda; Jay Sulliven; Michael Tarlov; Franz Himpsel; Lloyd Whitman; Journal of the American Chemical Society 2006; 128;  2-3.  

12. Structure and Stability of Alkanethiol Self-Assembled Monolayers on Platinum; Dmitri Petrovykh; Hiromi Kimura-Suda; Aric Opdahl; Lee Richter; Michael Tarlov; Lloyd Whitman; Langmuir  2006; 22; 2578-2587

11. Combined AFM and Sum Frequency Generation (SFG) Studies of Polyolefins and Hydrogels at Interfaces; Aric Opdahl and Gabor A. Somorjai ACS Symposium Series 897: Application of Scanned Probe Microscopy to Polymers  2005; 112-132.  

10. Solvent and Interface Induced Surface Segregation in Blends of Isotactic Polypropylene with Poly(ethylene-co-propylene); Aric Opdahl; Roger A. Phillips; Gabor A. Somorjai  Journal of Polymer Science B Polymer Physics  2004; 42; 421-432. 

9. Hydrophobic Interaction Induced Ordering of Polymers at the Solid/Liquid Interface Studied by Infrared-Visible Sum Frequency Generation; Joonyong Kim; Aric Opdahl; Keng C. Chou; Gabor A. Somorjai Langmuir  2003; 19; 9551-9553. 

8. Humidity Dependence of the Surface Hydration and Mechanical Properties of Non-Ionic and Ionic Methacrylate Contact Lenses; Telly Koffas; Aric Opdahl; Telly Koffas; Chris Marmo; Gabor A. Somorjai  Langmuir  2003; 19; 3453-3460. 

7. Surface Mechanical Properties of pHEMA Contact Lenses: Viscoelastic and Adhesive Property Changes on Exposure to Controlled Humidity; Aric Opdahl; Seong H. Kim; Telly Koffas; Chris Marmo; Gabor A. Somorjai  Journal of Biomedical Materials Research  200367; 350-356.  

6. Solvent Vapor Induced Ordering and Disordering of Phenyl Side Branches at the Air/Polystyrene Interface Studied by SFG;  Aric Opdahl and Gabor A. Somorjai  Langmuir; 2002; 18; 9409-9412.

 

5. Effect of Bulk Miscibility on the Surface Composition of Polypropylene/Poly(ethylene-co-propylene) Blends; Aric Opdahl; Roger A. Phillips; Gabor A. Somorjai  Macromolecules  2002; 35; 4387-4396.

 

4. Surface Segregation of Methyl Side Branches Monitored by Sum Frequency Generation (SFG) Vibrational Spectroscopy For a Series of Random Poly(ethylene-co-propylene) Copolymers; Aric Opdahl; Roger A. Phillips; Gabor A. Somorjai  Journal of Physical Chemistry B  2002; 106; 5212-5220.  

3. AFM and SFG Studies of pHEMA-Based Hydrogel Contact Lens Surfaces in Saline Solution: Adhesion, Friction, and the Presence of Non-Crosslinked Polymer Chains at the Surface; Seong H. Kim; Aric Opdahl; Chris Marmo; Gabor A. Somorjai  Biomaterials  2002; 23; 1657-1666. 

2. Stretched Polymer Surfaces: Atomic Force Microscopy Measurements of the Surface Deformation and Surface Elastic Properties of Stretched Polyethylene; Aric Opdahl and Gabor A. Somorjai  Journal of Polymer Science B-Polymer Physics  2001; 39; 2263-2274. 

1. Detection of Hydrophobic End Groups on Polymer Surfaces by Sum-Frequency Generation Vibrational Spectroscopy; Zhan Chen; Robert Ward; Y. Tian; Steve Baldelli; Aric Opdahl; Y. Ron Shen; Gabor A. Somorjai   Journal of the American Chemical Society  2000; 122; 10615-10620.