Lecture 22

Lectures: 1 | 2 | 3 | 4-5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 15 | 16 | 17 | 19 | 20 | 21 | 22 | 23 | 26

Cell Motion

• Brownian Motion:
  • Movies of Milk Droplets in Water, Beads in Water and DNA, DNA Tethered Bead, Bead Capture
  • Animated Simulation (See also Applet #2, Applet #3, Applet #4)
  • Langevin Description
  • Fokker-Planck Descrition, Master Equations, Smoluchowski Equation (Page 1 (GIF) of Lecture Notes)
  • Thermal Equilibrium and the Einsten Relation (Page 2 (GIF) of Lecture Notes)
  • Typed Set of Lecture Notes on Dissipative Dynamics (PDF)
• Swimming Cells:
  • Life at Low Reynolds Number (E. M. Purcell)
  • The Scallop Theorem: Impossibility of Reciprocal Motion
  • Flagellar Rotary Motion (Efficiency)
  • Chemotaxis by Runs and Tumbles - Why?
• Crawling Cells:
  • Remodelling of Actin Cycloskeleton
  • Crawling Neutrophil Chasing a Bacterium
  • Actin-based Motility (Listeria)
  • More from the Theriot Lab movie collection
  • Latex Beads Coated with ActA Protein: Motion (MOV) and Spontaneous Symmetry Breaking (MOV)

Some Related Links

• Cell Locomotion
• Borisy Lab Movie Page
• A Lecture on Cell Mobility and Cytoskeleton
• Some Parameters for Diverse Cell Motion
• Purcell, E. M. "The Efficiency of Propulsion by a Rotating Flagellum." PNAS 94, no. 11307 (1997). (PDF)
• Howard, Berg. "Motile behavior of bacteria." Physics Today.