JSTOR Daily

The Sedimentation Coefficient and Buoyant Density of Nucleosomes from Replicating Chromatin in Heated Cells

This is a preview. Log in through your library . Abstract The sedimentation coefficient and buoyant density of mononucleosomes from the replicating chromatin of heated (45°) and unheated HeLa cells ...
JSTOR Daily

Sedimentation of DNA from Human Fibroblasts Irradiated with Ultraviolet Light: Possible Detection of Excision Breaks in Normal and Repair-Deficient Xeroderma Pigmentosum Cells

This is a preview. Log in through your library . Abstract Usual alkaline sucrose techniques, which produce single-stranded DNA from unirradiated mammalian cells of $2-5\times 10^{8}$ daltons (120-165 ...
EurekAlert!

Chinese scientists reveal the spinning mechanism of the silkworm

A schematic diagram of the mechanism by which the silkworm delicately utilizes metal ions and pH gradients to program NSF self-assembly for silk spinning. NSF is a soluble macromolecular complex and ...
Nature

Determination of nanoparticle size distribution together with density or molecular weight by 2D analytical ultracentrifugation

Figure 1: Typical characterization schemes for core–shell nanoparticles. Figure 3: 2D AUC distributions for both nanoclusters and PDT-capped nanoparticles. After proving the effectiveness of our ...