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Marion A. Wolf,Katia Sciuto,Christine A. Maggs,Antonella Petrocelli,Ester Cecere,Alessandro Buosi,Adriano Sfriso 한국조류학회I 2021 ALGAE Vol.36 No.3
Radicilingua Papenfuss and Calonitophyllum Aregood are two small genera of the family Delesseriaceae that consist of only three and one taxonomically accepted species, respectively. The type species of these genera, Radicilingua thysanorhizans from England and Calonitophyllum medium from the Americas, are morphologically very similar, with the only recognized differences being vein size and procarp development. To date, only other two species were recognized inside the genus Radicilingua: R. adriatica and R. reptans. In this study, we analysed specimens of Radicilingua collected in the Adriatic and Ionian Sea (Mediterranean), including a syntype locality of R. adriatica (Trieste, northern Adriatic Sea), alongside material from near the type locality of R. thysanorhizans (Torpoint, Cornwall, UK). The sequences of the rbcL-5P gene fragment here produced represent the first molecular data available for the genus Radicilingua. Phylogenetic reconstruction showed that the specimens from the Adriatic and Ionian Seas were genetically distinct from the Atlantic R. thysanorhizans, even if morphologically overlapping with this species. A detailed morphological description of the Mediterranean specimens, together with an accurate literature search, suggested that they were distinct also from R. adriatica and R. reptans. For these reasons, a new species was here described to encompass the Mediterranean specimens investigated in this study: R. mediterranea Wolf, Sciuto & Sfriso. Moreover, in the rbcL-5P tree, sequences of the genera Radicilingua and Calonitophyllum grouped in a well-supported clade, distinct from the other genera of the subfamily Nitophylloideae, leading us to propose that Calonitophyllum medium should be transferred to Radicilingua.
Eine Einführung in das Tagungsthema ‚Toleranz und Fremdsprachenunterricht‘ am Beispiel des
( Wolf Dieter Otto ) 한국독일어교육학회 1998 외국어로서의 독일어 Vol.3 No.-
Der Begriff der ,Toleranz‘ ist wie der Begriff des ,Fremde‘ ein Relationsbegriff bzw. eine Beziehungskategorie, die kulturelle Pluralität als Grundverfassung der menschlichen Wirklichkeit erkennt und anerkennt. 1 Der Toleranzbegriff verdankt seine Entstehung und seine Wirkung dem Bemühen, Beziehungen unter Menschen zu gestalten; seine Geschichte in Deutschland und Europa zeigt, daß Intoleranzerfahrungen vielfach sein theoretischer Nährboden sind. In der Geschichte der Beschäftigung mit Toleranzfragen ist der Zusammenhang von Fremdheits- und Toleranzfragen als Ausgangspunkt für die Beschäftigung mit ,Toleranz‘ neuartig. Das ist um so verwunderlicher, als Toleranzfragen sich vielfach am Problem des Verhältnisses gegenüber dem Anderen, der jedoch nicht notwendig ein Fremder sein muß, entzünden und in der Praxis entweder zu seiner ,Duldung‘, wie Toleranz ins Deutsche übersetzt wird, oder seiner Verfolgung führte.
Wolf-Dieter Schneider 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.51 No.3
The quest for a reliable method of fabricating ordered atomic-scale structures is a prequisite for future atomic-scale technology. The interest in such nanostructured materials consisting of building blocks of a small number of atoms or molecules arises from their promising new optic, catalytic, magnetic and electronic poperties, which are fundamentally different from those of their macroscopic bulk counterparts: small is different. Here, we present and review three examples concerning atomic and supramolecular self-assembly investigated by low-temperature scanning tunneling microscopy (STM). (i) First is the self-assembly of a two-dimensional array of individual Ce adatoms (the smallest possible building block) on a metal surface based on long-range interactions between adatoms mediated by surface state electrons. Ce is a magnetic atom, and such a hexagonal superlattice of magnetic adatoms might be useful for the development of future atomic-scale magnetic devices. (ii) Next is the conservation of chirality in a hierarchical supramolecular self-assembly of pentagonal symmetry of the organic molecule rubrene on a reconstructed Au(111) surface. We show the spontaneous chiral resolution of the racemate into disjoint homochiral complex architectures and demonstrate the ability to monitor directly the evolution of chiral recognition processes on the molecular and the supramolecular level. (iii) Finally, using the highly localized current of electrons tunneling through a double barrier STM junction, we excite luminescence from a selected C60 molecule in the surface layer of fullerene nanocrystals self-assembled on an ultrathin NaCl film on Au(111). In the observed fluorescence and phosphorescence spectra, pure electronic, as well as vibronically induced transitions of an individual C60 molecule, are identified, leading to unambiguous chemical recognition on a single-molecule scale.