Piotr E Marszalek
Professor of Mechanical Engineering and Materials Science
My research focuses on investigating relationships between structural and mechanical properties of biopolymers (polysaccharides, DNA, proteins), which I study at a single molecule level. My main approaches are experimental scanning probe microscopy techniques and computational methods involving Molecular Dynamics simulations and ab initio quantum mechanical calculations. The ultimate goal of this research is to understand the above-mentioned relationships at an atomic level and to apply the knowledge gained towards elucidating basic phenomena such as: molecular recognition that mediates interactions between proteins and sugars, mechanotransduction that underlies mechanical sensing and hearing in all organisms, and protein folding that is fundamental to all biology. Our DNA research is aimed at exploiting atomic force microscopy techniques to develop new ultra-sensitive assays for detecting and examining DNA damage, the process underlying carcinogenesis, and to increase our mechanistic understanding of DNA damage and repair processes. This research, in addition to its basic science aspects will lay a foundation for the future use of AFM technologies in the nanoscale DNA diagnostics with a potential to directly benefit human health.
Appointments and Affiliations
- Professor of Mechanical Engineering and Materials Science
- Office Location: 3387 Fciemas Building, Box 90300, Durham, NC 27708
- Office Phone: (919) 660-5381
- Email Address: email@example.com
- Ph.D. Electrotechnical Institute (Poland), 1991
- M.S. University of Warsaw (Poland), 1985
Investigating relationships between structural and mechanical properties of biopolymers (polysaccharides, DNA, proteins), at a single molecule level.
- BME 494: Projects in Biomedical Engineering (GE)
- EGR 391: Projects in Engineering
- ME 331L: Thermodynamics
- ME 392: Undergraduate Projects in Mechanical Engineering
- ME 491: Special Projects in Mechanical Engineering
- ME 513: Nanobiomechanics
- ME 555: Advanced Topics in Mechanical Engineering
- ME 592: Research Independent Study in Mechanical Engineering or Material Science
- MENG 550: Master of Engineering Internship/Project
- MENG 551: Master of Engineering Internship/Project Assessment
- PHYSICS 493: Research Independent Study
- PHYSICS 495: Thesis Independent Study
In the News
- Learning How Molecules Function by Stretching and Tearing Them Apart (Jan 17, 2020 | Pratt School of Engineering)
- Slowly Pulling Proteins Apart Reveals Unexpected Path to Stability (Aug 10, 2016)
- Wang, D; Marszalek, PE, Exploiting a Mechanical Perturbation of a Titin Domain to Identify How Force Field Parameterization Affects Protein Refolding Pathways., Journal of Chemical Theory and Computation, vol 16 no. 5 (2020), pp. 3240-3252 [10.1021/acs.jctc.0c00080] [abs].
- Endow, SA; Marszalek, PE, An estimate to the first approximation of microtubule rupture force., Eur Biophys J, vol 48 no. 6 (2019), pp. 569-577 [10.1007/s00249-019-01371-6] [abs].
- Scholl, ZN; Li, Q; Josephs, E; Apostolidou, D; Marszalek, PE, Force Spectroscopy of Single Protein Molecules Using an Atomic Force Microscope., Journal of Visualized Experiments : Jove no. 144 (2019) [10.3791/55989] [abs].
- Scholl, ZN; Josephs, EA; Marszalek, PE, Correction to "Modular, Nondegenerate Polyprotein Scaffolds for Atomic Force Spectroscopy"., Biomacromolecules, vol 20 no. 1 (2019) [10.1021/acs.biomac.8b01703] [abs].
- Josephs, EA; Marszalek, PE, Endonuclease-independent DNA mismatch repair processes on the lagging strand., Dna Repair, vol 68 (2018), pp. 41-49 [10.1016/j.dnarep.2018.06.002] [abs].