Evidence could indicate bacteria-like etiology of vascular calcification
Researchers at the Mayo Clinic found they could isolate and culture nanoparticles from filtered homogenates of diseased calcified human cardiovascular tissue. These cultured nano-sized particles were recognized by a DNA-specific dye, incorporated radiolabeled uridine, and after decalcification, appeared via electron microscopy to contain cell walls.
The research paper, entitled "Evidence of Nanobacterial-like Structures in Human Calcified Arteries and Cardiac Valves," has been peer-reviewed and is scheduled for publication in the September 2004 issue of the American Journal of Physiology: Heart and Circulatory Physiology, published by the American Physiological Society. It is currently available online from APS as an Articles in PresS (see below for details).
Mayer Resnick | EurekAlert!
Scientists spin artificial silk from whey protein
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
While superconductivity and magnetism are generally believed to be mutually exclusive, surprisingly, in this new material, superconducting correlations...
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