Nuclei and chromosome fibers isolated from the amphibians Triturus viridescens and Rana
pipiens, and the milkweed bug, Oncopeltus fasciatus, by the Langmuir trough—critical point …

Interphase and metaphase chromosomes have been isolated by spreading unfixed cells on
the Langmuir trough, followed by critical point drying. Both types of chromosomes prove to …

The effect of prefixation on the diameter of chromosome fibers isolated by the Langmuir
trough-critical point method has been investigated in several species of plants and animals …

Chromosomes and interphase nuclei can be spread on the surface of water in a simplified
Langmuir trough. Interphase nuclei of Triturus erythrocytes display fibers with a diameter of …

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A structural component of mitotic chromosomes that partially explains the compaction of
DNA within mitotic chromosomes is suggested on the basis of the occurrence of long …

The higher order structure of chromosomes of Raji cells has been investigated with a field
emission type scanning electron microscope after the chromosomes had undergone surface …

The authors examined interchromosomal fibers from normal lymphocyte cultures, using the
technique of whole mount chromosomes, without water spreading. Evidence for …

Evidence is presented that the 2 50 A thick chromosome fiber consists of clusters of
nucleosomes (superbeads) which are heteroge Page 1 volume 6 Number 81979 Nucleic Acids …

The relationship between the surface protuberances of mitotic chromosomes isolated from
HeLa cells and the underlying fiber organization was investigated by scanning electron …