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  1. Article

    Open Access

    Comparison of light transmittance and color changes between polyurethane and copolyester retainer materials after staining and destaining

    Retainers are the only effective approach to prevent orthodontic relapse. The aim of this study was to compare the changes in color and light-transmittance of rough and smooth thermoformed polyurethane and cop...

    Grace Viana, Insia Virji, Laurie Susarchick, Veerasathpurush Allareddy… in BMC Oral Health (2024)

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    Article

    A mutation in the RNA polymerase β′ subunit causing depressed ribosomal RNA synthesis in Escherichia coli

    Macromolecular synthesis in an Escherichia coli mutant with a temperature-sensitive β′ subunit of RNA polymerase was analysed. At the non-permissive temperature ribosomal RNA synthesis is strongly reduced while m...

    Ben A. Oostra, Klaas Kok, Adri J. Van Vliet, AB Geert… in Molecular and General Genetics MGG (1981)

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    Article

    Specific stimulation of ribosomal RNA synthesis in E. coli by a protein factor

    Ribosomal RNA synthesis in a purified system is stimulated by a crude protein fraction prepared from E. coli. The positive effector which is not associated with RNA polymerase, nor is the sigma factor, increases ...

    Ben A. Oostra, AB Geert, Max Gruber in Molecular and General Genetics MGG (1980)

  4. No Access

    Article

    In vitro transcription of three different ribosomal RNA cistrons of E. coli; heterogeneity of control regions

    Ribosomal RNA synthesis from three different rRNA cistrons of E. coli, located on different phage DNAs was compared and found to have the same characteristics as regards chain length, salt and temperature depende...

    Ben A. Oostra, Albert J. J. van Ooyen, Max Gruber in Molecular and General Genetics MGG (1977)

  5. No Access

    Article

    Specific inhibition of ribosomal RNA synthesis in vitro by guanosine 3′ diphosphate, 5′ diphosphate

    CONSIBERABLE evidence has accumulated that guanosine 3′-diphosphate, 5′-diphosphate (ppGpp)1 is involved in the regulation of ribosomal RNA (rRNA) synthesis in Escherichia coli in vivo (see ref. 2). The involveme...

    ALBERT J. J. VAN OOYEN, HERMAN A. DE BOER, GEERT AB, MAX GRUBER in Nature (1975)

  6. No Access

    Article

    Zur Chlorbestimmung im Harn

    Max Gruber, v. Mering in Zeitschrift für analytische Chemie (1884)

  7. No Access

    Article

    Zur Bestimmung des Stickstoffs in organischen Substanzen

    S. W. Johnsohn, E. H. Jenkins, Max Gruber, Gassend… in Zeitschrift für analytische Chemie (1882)

  8. No Access

    Article

    Untersuchung der Luft

    J. v. Fodor, Max Gruber, C. H. Wolfff, Jägerholm… in Zeitschrift für analytische Chemie (1881)