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A mineralogical and geochemical database of Fe‐bearing mineral pigments from the south‐eastern alpine region

The provenance of yellow, red, and green Fe-bearing mineral pigments used in archaeological and artistic contexts is pivotal in archaeological science providing information on trading activities, commercial routes, and procurement of appropriate raw materials. To support these studies, mineralogical and geochemical databases are required. The research presents a complete database of raw materials collected in the western sector of the Lessini Mountains (Venetian Pre-Alps in NE Italy) based on...

LAZURITE AT NOVGOROD: TECHNIQUES, MIXTURES, PROVENANCE|LAZURIT NOVGORODBAN: TECHNIKÁK, KEVERÉKEK, SZÁRMAZÁS

An extensive collection of wall-painting fragments that in the 19th century was removed from the walls and buried under the floor of the Cathedral of St. George was collected during the 2013-2023 architectural and archaeological excavations on the area of the St. George’s Monastery at Veliky Novgorod (Russia), conducted by the Institute of Archaeology of the Russian Academy of Sciences. Among the pigments there were different kinds of blue, but the most common was rather pure lapis lazuli (la...

Breaking down the relationship between disruption scores and citation counts

The emergence of the disruption score provides a new perspective that differs from traditional metrics of citations and novelty in research evaluation. Motivated by current studies on the differences among these metrics, we examine the relationship between disruption scores and citation counts. Intuitively, one would expect disruptive scientific work to be rewarded by high volumes of citations and, symmetrically, impactful work to also be disruptive. A number of recent studies have instead sh...

Collective dynamics behind success

Understanding the collective dynamics behind the success of ideas, products, behaviors, and social actors is critical for decision-making across diverse contexts, including hiring, funding, career choices, and the design of interventions for social change. Methodological advances and the increasing availability of big data now allow for a broader and deeper understanding of the key facets of success. Recent studies unveil regularities beneath the collective dynamics of success, pinpoint under...

A Novel Peptide with Antifungal Activity from Red Swamp Crayfish Procambarus clarkii

The defense system of freshwater crayfish Procambarus clarkii as a diversified source of bioactive molecules with antimicrobial properties was studied. Antimicrobial activity of two polypeptide-enriched extracts obtained from hemocytes and hemolymph of P. clarkii were assessed against Gram positive (Staphylococcus aureus, Enterococcus faecalis) and Gram negative (Pseudomonas aeruginosa, Escherichia coli) bacteria and toward the yeast Candida albicans. The two peptide fractions showed interest...

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