1,720,996 research outputs found
I Maestri di «Critica letteraria» 1973-2022. Per una Storia della Critica letteraria italiana. Atti del Ciclo di Seminari (maggio, 2022)
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
The biogenesis of galactone-γ-lactone oxidase in Avena sativa embryos
No full textIn Avena sativa embryos, the biogenesis of galactono-γ-lactone oxidase, the enzyme which catalyses the last step of the ascorbic acid biosynthetic pathway is inhibited by both mitochondrial and cytoplasmic protein synthesis inhibitors. In the same experimental conditions (incubating embryos with protein synthesis inhibitors) glucose-6-phosphate dehydrogenase biogenesis is affected only by cytoplasmic translation inhibitors. These preliminary data seem to suggest that galactono-γ-lactone oxidase might be a multimeric enzyme, in which some polypeptidic chains could be synthesized in the cytosol and others in the mitochondria. © 1992
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