A hemagglutination-inhibitory mucoprotein from human urine has been studied with the electron microscope. It consists of filaments, with diameters of 40 to >240 A, composed of smaller fibrils. In the ...

Studies in Conservation aims to be the premier international peer-reviewed journal for the conservation of historic and artistic works. The intended readership includes practising conservators of all ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...