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Starch Pictures

David Alan Walker d.a.walker at sheffield.ac.uk
Fri Apr 15 07:05:48 EST 2005

Starch pictures have long been widely used for teaching and research. 
The degree of resolution that can be obtained has posed a question that 
has remained unanswered for several decades. Recently I asked Jerry 
Servaities and Don Geiger to offer their thoughts on this matter in the 
light of their research and contemporary understanding. I have now taken 
the liberty of adding their explanation to a PowerPoint presentation on 
this subject that, in accord with  the concept of ‘open access’, is now 
available, courtesy of Oxygraphics, for free
download (3.4 MB) from


More details about how to obtain pictures of very high resolution are 
also available (in an extract from ‘Energy, Plants & Man’, ISBN 1 870232 
05 4) at


David Walker

  From David Walker, FRS., Emeritus Professor of Photosynthesis,
University of Sheffield, UK.

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