244,289 research outputs found

    Varia carmina

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    [Ergänzungen von Johann Bergmann]Impressum aus Kolophon: "... foelici fine consummatum Basileae opera & impensis Iohannis Bergman De Olpe Kalendas Maiis Anni &c. xcviii."Mit HolzschnittenV.d.Haegen: mit Beigaben von Thomas Beccadelli, S. Brant und J. Locher ; mit Zusätzen von Joh. BergmannDatum gemäss v.d.Haegen: 1.5. - (nach) 1.9.1496Sometimes found with 2 additional signatures, m and n the latter having the date 1 Sept. 1498 (Goff). GW records a variant (Pell 2187B). WoodcutsSignaturen: A-D⁸, E⁴F⁸-G⁴H⁸, I⁴, k⁴, a⁸, bc⁴, d-h⁸, i⁴, k-l⁸, m-n⁴, []

    Kruppel-like factor 4 expression in normal and pathological human testes

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    Krüppel-like factor 4 (KLF4) is a transcription factor involved in many cellular and developmental processes such as terminal differentiation of cells and carcinogenesis. Mice lacking KLF4 die post-natally due to skin barrier deficiencies and exhibit several additional cellular defects. The adult rodent testis expresses high levels of Klf4 mRNA. Using in situ hybridization, we previously localized most of the Klf4 mRNA to round spermatids in mice. Moreover, in rodent Sertoli cells, Klf4 is strongly inducible by FSH. Here, we show by northern blot analysis that the human testis also strongly expresses KLF4. Applying immunohistochemistry, we localized KLF4 protein to the nuclei of round spermatids during normal spermatogenesis stages II–IV. Analysing round spermatid maturation arrests, strong cytoplasmic staining could be seen in two samples. We failed to detect KLF4 in human Sertoli cells. Most human Leydig cells expressed KLF4 at high levels in the nucleus. However, some individual Leydig cells lacked KLF4, suggesting different functional states of the Leydig cells. The strong expression of KLF4 in the human testis and the importance of KLF4 in several mouse tissues suggest a significant role for KLF4 in the human testis. A first hint at a role for KLF4 during spermiogenesis could be the altered subcellular localization of the protein during arrested spermiogenesis.Behr, C. Deller, M. Godmann, T. Müller, M. Bergmann, R. Ivell and K. Stege

    Latviešu epigrammu jeb improvizāciju otrais krājums

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    Plašāka latviešu folkloras dokumentēšana un publicēšana uzsākta 19. gs.; pirmo krājumu autors ir Baltijas vācu izcelsmes garīdznieks – Gustavs fon Bergmans (Gustav von Bergmann ; Vidzemē ; 1749-1814). Savā tipogrāfijā iespieda pirmos latviešu tautasdziesmu jeb "latviešu gudrību, latviešu epigrammu" (lettischer Sinn- oder Stegreifs Gedichte) krājumus. Krājums satur 252 dziesmas. Izmantotas paša sastādītāja G. Bergmana, kā arī Eitnera, K. Hardera, Keslera un J. K. Šrēdera Kurzemē un Vidzemē (Cēsīs, Dikļos, Ērgļos, Limbažos, Rencēnos, Rubenē, Rūjienā un Valmierā) pierakstītās 249 latviešu tautasdziesmas un 3 mīklas. Pievienotie paskaidrojumi vācu valodā. Priekšvārdos viena tautasdziesma igauņu, divas – lietuviešu valodā, 55. lpp. trīs vārdi franču valodā. Bibliogrāfiski aprakstīts: Seniespiedumi latviešu valodā, 1525-1855 / Nr. 835

    Das A - B - C des Gas-Consumenten

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    von C. MuchallGeschenkexlibris-Etikette: "Geschenk aus dem Nachlasse von August Waldner." 002230365_0001 Exemplar der ETH-BIBExlibrisstempel: "Schweizerische Bauzeitung, Redaction, A. Waldner, Ing. Zürich" 002194263_0001 Exemplar der ETH-BIBIndirektes handschriftliches Exlibris: "1907, 136", das ist: August Waldner, Zürich 002194263_0003 Exemplar der ETH-BI

    Joshua Davis: Author of Spare Parts

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    Citation: K-State First (2016). Joshua Davis: Author of Spare Parts [Flier]. Manhattan, Kansas: K-State First.Flyer advertising Joshua Davis's author talk at Kansas State University

    K-theory for group C*-algebras

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    These notes are based on a lecture course given by the first author in the Sedano Winter School on K-theory held in Sedano, Spain, on January 22-27th of 2007. They aim at introducing K-theory of C*-algebras, equivariant K-homology and KK-theory in the context of the Baum-Connes conjectur

    Varia carmina

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    [Ergänzungen von Johann Bergmann]Impressum aus Kolophon: "... foelici fine consummatum Basileae opera & impensis Iohannis Berman de Olpe Kalendas Maiis anni &c.xcviii."Mit HolzschnittenV.d.Haegen: mit Beigaben von Thomas Beccadelli, S. Brant und J. Locher ; mit Zusätzen von Joh. BergmannDatum gemäss v.d.Haegen: 1.5. - (nach) 1.9.1496Sometimes found with 2 additional signatures, m and n the latter having the date 1 Sept. 1498 (Goff). GW records a variant (Pell 2187B). WoodcutsSignaturen: A-D⁸, E⁴F⁸-G⁴H⁸, I⁴, k⁴, a⁸, bc⁴, d-h⁸, i⁴, k-l⁸, m-n⁴, []⁴Digitalisierung=Digitization=Numérisation April 2021 TIF

    Varia carmina

    No full text
    [Ergänzungen von Johann Bergmann]Impressum aus Kolophon: "... foelici fine consummatum Basileae opera & impensis Iohannis Berman de Olpe Kalendas Maiis anni &c.xcviii."Mit HolzschnittenV.d.Haegen: mit Beigaben von Thomas Beccadelli, S. Brant und J. Locher ; mit Zusätzen von Joh. BergmannDatum gemäss v.d.Haegen: 1.5. - (nach) 1.9.1496Sometimes found with 2 additional signatures, m and n the latter having the date 1 Sept. 1498 (Goff). GW records a variant (Pell 2187B). WoodcutsSignaturen: A-D⁸, E⁴F⁸-G⁴H⁸, I⁴, k⁴, a⁸, bc⁴, d-h⁸, i⁴, k-l⁸, m-n⁴, []⁴Digitalisierung=Digitization=Numérisation April 2021 TIF

    Steven Johnson Author Talk Poster

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    K-State Book NetworkA poster advertising an author talk by Steven Johnson at Kansas State University on September 3, 2014. Steven Johnson's book "The Ghost Map" was the 2014-2015 common book

    Pollen and Pollinosis

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    Pollen grains only represent a small fraction of the total amount of the viable biological particles present in the air, but pollen are the most important aeroallergens in the outdoor environment. The analysis of pollen has traditionally been carried out by microscopy, which can be traced back to the 17th century. Modern advances in molecular analysis could improve information for allergy sufferers and health care professionals. Pollen allergy (pollinosis) was first described in the 19th century. The prevalence of respiratory diseases increased dramatically during the latter part of the 20th century and millions of individuals are now affected. A number of scientists devised equipment to examine airborne biological particles during the 19th century, but aerobiological monitoring only became standardized during the 20th century. Airborne pollen are routinely monitored in many parts of the world, such as North America and Europe, and the first limited network has also been created for monitoring airborne allergen concentrations. Monitoring of the environment is often based on a combination of measurements and model results. Source-based models can increase our knowledge of airborne pollen because they can explain situations and processes that are almost impossible to understand using observations alone
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