Microphotokinesigraphic analysis of buffalo spermatozoa II. Photokinesigraphic characteristics of buffalo vibrating spermatozoa

The study concerns images of vibrating spermatozoa in the ejaculation of buffalo bulls from Bulgarian murrah breed through the method of Tchakarov and Natchev [1962], obtained at 5 sec exposures, optimal for this particular Changing Table species.The negative registration material has been developed with high-equalising developer by Windisch, which

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Killing Time. Ennui in Eighteenth-Century English Culture

The article explores the meanings of ennui in eighteenth-century England.Based on text searches, it proposes that the French term ennui was adopted into everyday USB Updated Cable Set usage in England around the mid-century, and was from the 1770s onwards used to signify especially the temporal aspects of the word, that is, boredom.Ennui was closel

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Characterization, Recombinant Production and Structure-Function Analysis of NvCI, A Picomolar Metallocarboxypeptidase Inhibitor from the Marine Snail Nerita versicolor

A very powerful proteinaceous inhibitor of metallocarboxypeptidases has been isolated from the marine snail Nerita versicolor and characterized in depth.The most abundant of four, very similar isoforms, NvCla, was taken as reference and N-terminally sequenced to obtain a 372-nucleotide band coding for the protein cDNA.The mature protein contains 53

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