Cytochemical staining methods for electron microscopy, by P. R. Lewis and D. P. Knight. vol. 14 in ?practical methods in electron microscopy,? A. M. glauert, ed., elsevier, Amsterdam, London, New york, Tokyo, 1992, 321 pp., $59 (paperback); $192 (hardcover)

1995 ◽  
Vol 31 (4) ◽  
pp. 334-334
Author(s):  
Roberto Narbaitz
Author(s):  
Lee F. Ellis ◽  
Richard M. Van Frank ◽  
Walter J. Kleinschmidt

The extract from Penicillum stoliniferum, known as statolon, has been purified by density gradient centrifugation. These centrifuge fractions contained virus particles that are an interferon inducer in mice or in tissue culture. Highly purified preparations of these particles are difficult to enumerate by electron microscopy because of aggregation. Therefore a study of staining methods was undertaken.


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