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Author Dusenbery, David B.

Title Living at micro scale : the unexpected physics of being small / David B. Dusenbery.

Published Cambridge, Mass. : Harvard University Press, 2009.


Location Call No. Status
 UniM BioMed  579 DUSE    AVAILABLE
Physical description xxx, 416 pages : illustrations ; 25 cm
Bibliography Includes bibliographical references (pages 393-406) and index.
Contents 1. Introduction -- I. Background -- 2. Microscopy -- 3. Fluids -- 4. Molecules -- 5. Brownian Motion -- 6. Ellipsoids -- 7. Information -- 8. Energy -- II. Physical Consequences -- 9. Chemical Transport -- 10. Signal Detection -- III. Consequences for Locomotion -- 11. Dispersal -- 12. Sedimentation -- 13. Swimming -- IV. Consequences for Orientation to Stimulus Gradients -- 14. Gradient Guiding -- 15. Size Limit for Locomotion -- 16. Optimal Shapes -- V. Consequences for Interactions between Organisms -- 17. Encounter Rates -- 18. Predation -- 19. Pheromone Attraction -- 20. Gametes -- App. 1. Approximation Rules -- App. 2. Calculus -- App. 3. Acceleration of Plates -- App. 4. Justifications -- App. 5. Sedimentation Equilibrium -- App. 6. Ellipsoid Mathematics -- App. 7. Bending Beams -- App. 8. Chemical Potential Energy -- App. 9. Calculation of the Signal-to-Noise Ratio -- App. 10. Calculating Flow Velocities -- App. 11. High Reynolds Numbers: Navier-Stokes Equations.
App. 12. Drag.
Summary "Kermit the Frog famously said that it isn't easy being green, and in Living at Micro Scale David Dusenbery shows that it isn't easy being small - existing at the size of, say, a rotifer, a tiny multicellular animal just at the boundary between the visible and the microscopic. "Imagine," he writes, "stepping off a curb and waiting a week for your foot to hit the ground." At that scale, we would be small enough to swim inside the letter O in the word "rotifer." What are the physical consequences of life at this scale? How do such organisms move, identify prey and predators and (if they're so inclined) mates, signal to one another, and orient themselves?" "In clear and engaging prose, Dusenbery uses straightforward physics to demonstrate the constraints on the size, shape, and behavior of tiny organisms. While recounting the historical development of the basic concepts, he unearths a corner of microbiology rich in history, and full of lessons about how science does or does not progress. Marshalling findings from different fields to show why tiny organisms have some of the properties they are found to have, Dusenbery shows a science that doesn't always move triumphantly forward, and is dependent to a great extent on accident and contingency."--BOOK JACKET.
Subject Microorganisms.
ISBN 0674031164 (hbk. : alk. paper)
9780674031166 (hbk. : alk. paper)