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Alexander Petroff is an experimental physicist who uses hydrodynamics and reaction diffusion equations to understand the organization, dynamics, and evolution of microbial systems in table-top experiments. He has previously published several studies on the growth and geometry of river networks and stromatolites.
Degrees
- Ph.D. in Geophysics, Massachusetts Institute of Technology, 2011
- B.A. in Physics and Mathematics, Carleton College, 2006
Affiliated Department(s)
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Scholarly and Creative Works
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Adapting to Life in a Diffusive Gradient
Physical Mathematics Seminar
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MIT
April
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2023
Sponsored by MIT
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Scattering and Trapping of a Fast-Swimming Bacteria
Physical Review Fluids
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2023
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Active Chiral Matter in Physics and Biology
Physics Department Seminar
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U Mass Amherst
Dec
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2022
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Life in Mud
Nature and Numbers
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MIT
June
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2022
Sponsored by MIT
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Formation of Active Two-Dimensional Fluids by Multicellular Magnetotactic Bacteria
University of Chicago Department Seminar
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Chicago
April
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2022
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Formation of Active Two-Dimensional Fluids by Multicellular Magnetotactic Bacteria
APS March Meeting
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Chicago
MArch
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2022
Sponsored by APS
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Relaxation of a natural microbial ecosystem to a metabolic steady state
APS March Meeting
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Chicago
MArch
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2022
Sponsored by APS
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Oxygen Dynamics in a Vertically Stratified Microbial Community
APS March Meeting
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Chicago
MArch
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2022
Sponsored by APS
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Scattering of a fast-swimming bacterium off of a surface
APS March Meeting
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Nashville
March
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2021
Sponsored by American Physical Society
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Collective Dynamics of Multicellular Magnetotactic Bacteria
APS MArch Meeting
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Nashville
May
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2021
Sponsored by American Physical Society
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Formation and Dynamics of Active Crystals by Fast-Swimming Bacteria
Department Seminar at Matière et Systèmes Complexes
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Paris Diderot (remote)
May
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2021
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Hydrodynamics of sediment microbes
Environmental Science Seminar Series at Ralph M Parsons Laboratory
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MIT
NOV
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2020
Sponsored by MIT
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Collective Dynamics of Fast Swimming Bacteria Near a Surface
Dartmouth College
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Dartmouth College
Jan
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2020
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Structure and Dynamics of Microbial Ecosystems in Sediment
The Joshua Lederberg–John von Neumann Symposium: Towards Quantitative Biology
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The Rockefeller University
Nov
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2019
Sponsored by Rockefeller University and Institute for Advanced Study
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Particle kinetics and collective dynamics in chiral gasses, fluids, and crystals
APS March Meeting
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Ecosystems self-organize to capture atypically large energy through coupled redox transformations
PNAS
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Density Mediated Spin Correlations Drive Edge to Bulk Flow Transition in Active Chiral Matter
Physical Review E
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Phases of Active Matter Composed of Multicellular Magnetotactic Bacteria Near a Hard Surface
Phys Rev Fluids
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Awards & Grants
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CAREER: Experimental Investigation of Morphogenesis and Locomotion of Multicellular Magnetotactic Bacteria
National Science Foundation
Aug. 15, 2021
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CAREER: Experimental Investigations of the Growth, Form, and Motion of Multicellular Magnetotactic Bacteria
National Science Foundation
Jan. 1, 2020
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Experimental Investigation of Oxygen Dynamics in Natural Sediment
American Chemical Society
Aug. 29, 2019
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