ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Extracts of the younger leaves of tobacco plants infected two months beforehand were centrifuged for 10-60 min. in a Spinco model L ultracentrifuge at 28,000 r.p.m. An aliquot of the supernatant obtained after 60 min. was centrifuged at 40,000 r.p.m. for a further 60 min. Infectivity of the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/171935a0
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