114,998 research outputs found

    Tarver (J. G.). Tibère

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    Herrmann Léon. Tarver (J. G.). Tibère. In: Revue belge de philologie et d'histoire, tome 14, fasc. 1, 1935. pp. 146-147

    Albert Herrmann. Das Land der Seide und Tibet im Lichte der Antike. (Quellen u. forkundle zur Geschichte der Geographie u. hgg. v. Albert Herrmann, Band I)

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    Dept. G.-G. Albert Herrmann. Das Land der Seide und Tibet im Lichte der Antike. (Quellen u. forkundle zur Geschichte der Geographie u. hgg. v. Albert Herrmann, Band I). In: L'antiquité classique, Tome 8, fasc. 1, 1939. pp. 299-300

    Seneca, Ottavia, éd. G. Sallaria

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    Herrmann Léon. Seneca, Ottavia, éd. G. Sallaria. In: Revue belge de philologie et d'histoire, tome 53, fasc. 3, 1975. Langues et littératures modernes - Moderne taal- en leiterkunde. p. 1008

    C. G. Betts et W. D. Ashworth, Index to the Uppsala edition of Columella

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    Herrmann Léon. C. G. Betts et W. D. Ashworth, Index to the Uppsala edition of Columella. In: L'antiquité classique, Tome 42, fasc. 1, 1973. p. 288

    C. G. Betts et W. D. Ashworth, Index to the Uppsala edition of Columella

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    Herrmann Léon. C. G. Betts et W. D. Ashworth, Index to the Uppsala edition of Columella. In: L'antiquité classique, Tome 42, fasc. 1, 1973. p. 288

    Probing the role of lysine 116 and lysine 244 in the spinach ferredoxin-NADP+ reductase by site-directed mutagenesis

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    Two mutants of the spinach ferredoxin-NADP+ reductase (FNR) were constructed, expressed by using a heterologous expression system previously described (Aliverti, A., Jansen, T., Zanetti, G., Ronchi, S., Herrmann, R. G., and Curti, B. (1990) Eur. J. Biochem. 191, 551-555), and purified to homogeneity. The mutant enzymes FNR-Lys116Gln and FNR-Lys244Gln were similar to the wild-type enzyme in the physicochemical properties measured; however, both enzymes showed a lower activity. Steady-state kinetic analyses and NADP+ binding measurements of the mutant proteins have revealed that the Lys116Gln enzyme had a catalytic efficiency (kcat/KmNADPH) 500-fold lower than that of the wild-type enzyme, and its interaction with NADP+ was greatly impaired. The Lys244Gln enzyme instead had almost the same kcat in the ferricyanide reductase reaction as the wild-type enzyme, while higher values of KmNADPH and Kd for NADP+ were observed. Thus, protein engineering has enabled us to define the role of Lys-116 and Lys-244 in ferredoxin-NADP+ reductase; whereas Lys-244 contributes to the stabilization of the Michaelis complex, the Lys-116 side chain plays an important role also in the further steps of the catalytic cycle, because both Km and kcat are highly affected by the mutation

    Martin Heidegger trent'anni dopo

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    Convegno internazionale in occasione del trentennale della morte del filosofo tedesco Martin Heidegger tenutosi a Bologna nei giorni 13-15 dicembre 2006. Al Convegno hanno partecipato alcuni degli allievi diretti di Heidegger (Fr.W. von Herrmann, E. Nolte, F. Fédier), nonché studiosi italiani di rango internazionale (G. Vattimo, F. Volpi. A. Marini ecc.)

    Julius Firmicus Maternus, De errore profanarum religionem. Traduction nouvelle avec texte et commentaire par Heuten (G.)

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    Herrmann Léon. Julius Firmicus Maternus, De errore profanarum religionem. Traduction nouvelle avec texte et commentaire par Heuten (G.). In: Revue belge de philologie et d'histoire, tome 17, fasc. 3-4, 1938. pp. 930-931

    Embryon : § II. physiologie

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    [F. Tourneux et G. Herrmann]Auszug aus: Dictionnaire encyclopédique des sciences médicale
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