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  • Inorganic Chemistry  (3,699)
  • Biochemistry and Biotechnology  (223)
  • Deutschland  (21)
  • 1960-1964  (3,943)
Collection
Keywords
Language
Years
Year
  • 1
    Journal/Serial
    Journal/Serial
    München ; Frankfurt, M. : Verl. Beck | Berlin : Heymanns | Leipzig ; Berlin : Verl. Chemie | Weinheim, Bergstr. : Verl. Chemie | Weinheim : Wiley-VCH-Verl. | München ; Frankfurt, M. ; Berlin : Verl. Beck ; 1.1896 - 49.1944,5/9; 50.1948 -
    Keywords: Gewerblicher Rechtsschutz ; Urheberrecht ; Gewerblicher Rechtsschutz ; Urheberrecht ; Deutschland ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Gewerblicher Rechtsschutz ; Zeitschrift ; Deutschland 03.10.1990- ; Urheberrecht ; Zeitschrift ; Gewerblicher Rechtsschutz ; Urheberrecht ; Zeitschrift
    Description / Table of Contents: Neue Entscheidungen des BGH; ab 81.1979: Leitsätze neuer Entscheidungen des BGH
    Type of Medium: Journal/Serial
    Pages: 30 cm
    ISSN: 0016-9420 , 0016-9420
    DDC: 346.4304805
    RVK:
    Language: German
    Note: Ersch. monatl.
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  • 2
    Journal/Serial
    Journal/Serial
    Bielefeld : UVW, Univ.-Verl. Webler | Neuwied : Luchterhand | Berlin : Dt. Verl. d. Wiss. ; 1.1953/54; 2.1954 -
    Keywords: Hochschule ; Deutschland ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Hochschule ; Zeitschrift
    Description / Table of Contents: Suppl.; 42.1994,6: Didacta 95
    Type of Medium: Journal/Serial
    ISSN: 0018-2974 , 0018-2974
    DDC: 378.4305
    RVK:
    Former Title: Monatsschrift für Fragen der Hochschulpolitik, Lehrmethodik und Hochschulorganisation
    Language: German
    Note: Ersch. bis 38.1990 monatl., 39.1991 - 42.1994 zweimonatl.; 13.1965,1-4 im Inhaltsverz. als Jg. 14 gez.; Jg. 56.2008,1 teils fälschlich als Jg. 55 bez.
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  • 3
    Journal/Serial
    Journal/Serial
    Köln : Heymanns | Detmold ; Köln ; Berlin : Heymanns | Köln ; Berlin : Heymanns ; 65.1950,7(Apr.) -
    Keywords: Verwaltung ; Verwaltungsrecht ; Deutschland ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Verwaltung ; Verwaltungsrecht ; Zeitschrift
    Type of Medium: Journal/Serial
    Pages: 30 cm
    ISSN: 0012-1363 , 0012-1363
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    Former Title: Deutsches Verwaltungsblatt vereinigt mit Deutsche Verwaltung
    Language: German
    Note: Ersch. 14-tägl.
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  • 4
    Journal/Serial
    Journal/Serial
    Stuttgart [u.a.] : Kohlhammer ; 1.1948,Okt. -
    Keywords: Öffentliches Recht ; Verwaltungslehre ; Verwaltungsrecht ; Verwaltung ; Verwaltungsrecht ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Öffentliches Recht ; Zeitschrift ; Verwaltungslehre ; Verwaltungsrecht ; Zeitschrift ; Deutschland 03.10.1990- ; Verwaltung ; Verwaltungsrecht ; Zeitschrift
    Type of Medium: Journal/Serial
    ISSN: 0029-859X
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    Language: German
    Note: Ersch. 2x monatl.
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  • 5
    Journal/Serial
    Journal/Serial
    München ; Frankfurt, M. : Beck | München ; Berlin : Biederstein ; 1.1947/48 -
    Keywords: Recht ; Recht ; Rechtswissenschaft ; Rechtsprechung ; Deutschland ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Recht ; Zeitschrift ; Deutschland 03.10.1990- ; Recht ; Rechtswissenschaft ; Rechtsprechung ; Zeitschrift
    Type of Medium: Journal/Serial
    Pages: 30 cm
    Edition: München ; Frankfurt, M. Beck 1985
    ISSN: 0341-1915 , 0341-1907 , 0341-1915 , 0341-1907
    DDC: 349.4305
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    Former Title: Fünfjahresregister
    Language: German
    Note: Mikrofiche-Ausg.: München ; Frankfurt, M. : Beck, 1985
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  • 6
    Journal/Serial
    Journal/Serial
    München ; Frankfurt, M. : Beck | Berlin : Schweitzer ; 1.1961 -
    Keywords: Juristenausbildung ; Juristisches Studium ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Juristenausbildung ; Zeitschrift ; Juristisches Studium ; Zeitschrift
    Description / Table of Contents: JuS-Kartei; JuS-Spezial; JuS-Tutorium; Beil.
    Type of Medium: Journal/Serial
    ISSN: 0022-6939
    DDC: 340.07043
    RVK:
    Former Title: Zeitschrift für Studium und praktische Ausbildung
    Language: German
    Note: Periodizität: monatl. , Indices: 1/5.1961/65(1966) - 26/30.1986/90(1991)
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  • 7
    Journal/Serial
    Journal/Serial
    München ; Berlin ; Frankfurt, M. : Beck ; 1.1962/63 -
    Keywords: Steuerrecht ; Deutschland ; Zeitschrift ; Deutschland 03.10.1990- ; Steuerrecht
    Description / Table of Contents: Beihefter; teils: Beilage; darin: Zeitschriften-Spiegel
    Type of Medium: Journal/Serial
    ISSN: 0012-1347 , 0949-7676 , 0949-7676 , 0012-1347
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    Language: German
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  • 8
    Journal/Serial
    Journal/Serial
    Berlin : Huss-Medien GmbH | Berlin : Verl. Die Wirtschaft | München ; Frankfurt, M. : Beck | Berlin : Verl. Arbeit u. Arbeitsrecht - AuA ; 18.1963 - 21.1966,18; 23.1968,7 -
    Keywords: Arbeitswelt ; Arbeitsrecht ; Arbeitswelt ; Arbeit ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Arbeitswelt ; Zeitschrift ; Deutschland 03.10.1990- ; Arbeitsrecht ; Zeitschrift ; Arbeitswelt ; Arbeit ; Zeitschrift
    Description / Table of Contents: AuA aktuell
    Type of Medium: Journal/Serial
    ISSN: 0323-4568
    DDC: 331.05
    RVK:
    Former Title: Zeitschrift für den Personalprofi
    Language: German
    Note: Ersch. monatl.
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  • 9
    Journal/Serial
    Journal/Serial
    Wuppertal : Kommunalverl. Fachverl. für Kommunalwirtschaft u. Umwelttechnik | Düsseldorf : Deutscher Kommunalverl. ; 1953/54 -
    Keywords: Gemeindewirtschaft ; Deutschland ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Gemeindewirtschaft ; Zeitschrift
    Description / Table of Contents: Die kommunale Technik
    Type of Medium: Journal/Serial
    ISSN: 0450-7169 , 0450-7169
    DDC: 352.14
    RVK:
    Language: German
    Note: 2003,8 fälschlich als Heft 8/9 bez.; 2018,5 nicht erschienen; monatl.
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  • 10
    Journal/Serial
    Journal/Serial
    Hiltrup : Landwirtschaftsverl. | Bochum : DAV | München : BLV Verl.-Ges. ; Aufl. [1.]1941; 2.1948 - 7.1974; 13.2005 -
    Keywords: Europäische Union ; Landwirtschaft ; Deutschland ; Statistik ; Zeitschrift ; Statistik ; Europäische Union ; Deutschland 03.10.1990- ; Landwirtschaft ; Statistik
    Type of Medium: Journal/Serial
    Language: German
    Note: Ersch. unregelmäßig
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  • 11
    Journal/Serial
    Journal/Serial
    Frankfurt, M. : Dt. Fachverl. | Heidelberg : Verl. Recht und Wirtschaft | Frankfurt, M. : Verl. Recht und Wirtschaft ; 1.1954/55 - 3.1957,12; 21.1975 -
    Keywords: Internationales Wirtschaftsrecht ; Wirtschaftsrecht ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Internationales Wirtschaftsrecht ; Zeitschrift ; Wirtschaftsrecht ; Zeitschrift
    Description / Table of Contents: Leasing; 32.1986: Kapitalanlage; Versicherung; ab 33.1987: Leasing-Berater; Versicherungs-Berater; Finanz-Berater; ab 35.1989: Betriebs-Berater international; 35.1989 - 36.1990: Organisations-Berater; ab 43.1997: Leasing- und Finanz-Berater; Banken & Versicherungen; ab 46.2000: Computer Praxis & Recht; ab 50.2004: EU-Erweiterungs-Report; RIW-Special; ab 63. Jg. (2017): Beihefter
    Type of Medium: Journal/Serial
    ISSN: 0340-7926 , 0340-7926
    DDC: 343.0705
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    Language: German
    Note: Ersch. monatl., früher vierteljährl.
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  • 12
    Journal/Serial
    Journal/Serial
    Köln : ˜O.œ Schmidt | Bleckede : Meissner | Hamburg : Verl. Deutsche Rechtsprechung | Hamburg : Monatsschrift f. Dt. Recht-Verlagsges. | Köln ; Hamburg : ˜O.œ Schmidt ; 1.1947,Apr. -
    Keywords: Deutschland (Bundesrepublik) ; Entscheidungssammlung Periodika ; Bürgerliches Recht ; Rechtsprechung ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Entscheidungssammlung ; Deutschland 03.10.1990- ; Bürgerliches Recht ; Zeitschrift ; Rechtsprechung ; Zeitschrift
    Description / Table of Contents: MDReport; Sonderbeil.; Sonderheft
    Type of Medium: Journal/Serial
    ISSN: 0340-1812 , 0340-1812
    DDC: 346.43005
    Language: German
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  • 13
    Journal/Serial
    Journal/Serial
    Köln : O. Schmidt ; 54.1963 -
    Keywords: GmbH ; GmbH ; Deutschland ; Zeitschrift ; Deutschland 03.10.1990- ; GmbH ; GmbH
    Description / Table of Contents: GmbH-Report; ab 93.2002: GmbHR im Blickpunkt
    Type of Medium: Journal/Serial
    ISSN: 0016-3570 , 0016-3570
    DDC: 346.430668
    RVK:
    Former Title: GmbH-Rundschau
    Language: German
    Note: Ersch. monatl.
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  • 14
    Journal/Serial
    Journal/Serial
    München : Beck | Berlin : Verl. des Wiss. Inst. der Steuerberater | Berlin : Beck | Bonn : Dt. Steuerinstitut | Bonn : Wiss. Inst. d. Steuerbevollmächtigten | Bonn : Wiss. Inst. d. Steuerberater u. Steuerbevollmächtigten | Bonn : Verl. des Wiss. Inst. der Steuerberater ; 1.1963(1964) -
    Keywords: Körperschaftsteuer ; Körperschaftsteuerrecht ; Körperschaftsteuerrecht ; Quelle ; Körperschaftsteuer ; Veranlagung ; Körperschaftsteuerrecht ; Körperschaftsteuer ; Veranlagung ; Deutschland ; Deutschland ; Deutschland ; Quelle ; Quelle ; Zeitschrift ; Quelle ; Deutschland 03.10.1990- ; Körperschaftsteuerrecht ; Quelle ; Körperschaftsteuerrecht ; Quelle ; Deutschland 03.10.1990- ; Körperschaftsteuer ; Veranlagung ; Deutschland 03.10.1990- ; Körperschaftsteuerrecht ; Quelle ; Körperschaftsteuer ; Veranlagung
    Type of Medium: Journal/Serial
    ISSN: 0171-2357
    Series Statement: Schriften des Deutschen Wissenschaftlichen Steuerinstituts der Steuerbevollmächtigten
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    Language: German
    Note: Zählung aus d. Vorwort
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  • 15
    Journal/Serial
    Journal/Serial
    Düsseldorf : Handelsblatt Fachmedien | Düsseldorf ; Frankfurt, M. : Verl.-Gruppe Handelsblatt | Düsseldorf : Handelsblatt | Düsseldorf : Verl.-Gruppe Handelsblatt ; 1.1948 -
    Keywords: Unternehmensrecht ; Betriebswirtschaftslehre ; Betriebsführung ; Steuerrecht ; Arbeitsrecht ; Wirtschaftsrecht ; Deutschland ; Deutschland ; Zeitung ; Deutschland 03.10.1990- ; Unternehmensrecht ; Betriebswirtschaftslehre ; Deutschland 03.10.1990- ; Betriebsführung ; Steuerrecht ; Arbeitsrecht ; Wirtschaftsrecht
    Description / Table of Contents: IBZ - Internationaler betriebswirtschaftlicher Zeitschriftenreport; IBZ-Schlagwortregister; ab 1983: IBZ-Titeldokumentation; 2010 - 2011,Juni u. ab 2014: Standpunkte; ab 2011: Vorsorge und Risikoabsicherung; IT-Guide
    Type of Medium: Journal/Serial
    ISSN: 0005-9935 , 0005-9935
    DDC: 346.4306505
    Former Title: DB
    Language: German
    Note: 56.2003,1 fälschlich als Jg. 55 bez.; 59.2006,1-3 fälschlich als Jg. 58 bez.; Periodizität: wöchentl.
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  • 16
    Journal/Serial
    Journal/Serial
    Witten : Mendel | Hamburg : Handelskammer | Hamburg : Dieckmann ; Nachgewiesen 2.1924 -
    Keywords: Aussenhandel ; Aussenhandel Recht ; Außenhandelsrecht ; Deutschland ; Formularsammlung ; Zeitschrift ; Zeitschrift ; Formularsammlung ; Deutschland 03.10.1990- ; Außenhandelsrecht ; Formularsammlung ; Zeitschrift
    Type of Medium: Journal/Serial
    Pages: 23 cm
    ISSN: 0173-718X , 0173-718X
    DDC: 343.43087
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    Language: German
    Note: Ersch. unregelmäßig
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  • 17
    Journal/Serial
    Journal/Serial
    Frankfurt, M. : VDMA-Verl. | Frankfurt, M. : Maschinenbau-Verl. ; 1952 -
    Keywords: Maschinenbauindustrie ; Maschinenbauindustrie ; Anlagenbau ; Maschinenbau ; Deutschland (Bundesrepublik) ; Deutschland ; Statistik ; Statistik ; Statistik ; Statistik ; Zeitschrift ; Statistik ; Deutschland 〈Bundesrepublik〉 23.05.1949-02.10.1990 ; Maschinenbauindustrie ; Statistik ; Deutschland 03.10.1990- ; Maschinenbauindustrie ; Statistik ; Anlagenbau ; Statistik ; Maschinenbau ; Statistik
    Type of Medium: Journal/Serial
    RVK:
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    Language: German
    Note: Teils mit Zählung; jährl.
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  • 18
    Journal/Serial
    Journal/Serial
    Wiesbaden : Harrassowitz | Leipzig ; 1.1902 - 33.1942(1943); 34.1950 - 55.1993; 56.1995/96(1995) -
    Keywords: Bibliotheksführer ; Bibliothekar Lexikon, Wörterbuch ; Wissenschaftliche Bibliothek Lexikon, Wörterbuch ; Bibliothek ; Verzeichnis ; Bibliothek ; Verzeichnis ; Bibliothekar ; Höherer Dienst ; Verzeichnis ; Bibliothekar ; Höherer Dienst ; Wissenschaftliche Bibliothek ; Deutschland (Bundesrepublik) ; Deutschland ; Deutschland ; Deutschland ; Deutschland ; Biographie ; Adressbuch ; Zeitschrift ; Verzeichnis ; Biografie ; Adressbuch ; Führer ; Wörterbuch ; Deutschland 〈Bundesrepublik〉 23.05.1949-02.10.1990 ; Bibliothek ; Verzeichnis ; Deutschland 03.10.1990- ; Bibliothek ; Verzeichnis ; Deutschland 03.10.1990- ; Bibliothekar ; Höherer Dienst ; Verzeichnis ; Deutschland 03.10.1990- ; Bibliothekar ; Höherer Dienst ; Biographie ; Deutschland 03.10.1990- ; Wissenschaftliche Bibliothek ; Adressbuch
    Description / Table of Contents: Betriebsstatistik
    Type of Medium: Journal/Serial
    ISSN: 0075-2215 , 0075-2223
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    Language: German
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  • 19
    Journal/Serial
    Journal/Serial
    Bonn : Festland-Verl. | Bonn : Nfa Vertriebs- u. Werbeges. | Bonn : Verl. Europapress | Baden-Baden ; Bonn ; Frankfurt, M. : Lutzeyer | Bonn : Europa-Verl. ; [1.]1950; 2.1952 - 28.1978; 29.1979/80(1979) - 52.2002/03(2002); 53.2004(2003)-67. Jahrgang (2018)
    Keywords: Öffentlichkeit ; Einrichtung ; Öffentlichkeit ; Einrichtung ; Deutschland ; Deutschland (Bundesrepublik) ; Adressbuch ; Adressbuch ; Zeitschrift ; Verzeichnis ; Adressbuch ; Deutschland 03.10.1990- ; Öffentlichkeit ; Einrichtung ; Adressbuch ; Deutschland 〈Bundesrepublik〉 23.05.1949-02.10.1990 ; Öffentlichkeit ; Einrichtung ; Adressbuch
    Type of Medium: Journal/Serial
    ISSN: 0082-1829
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    Language: German
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  • 20
    Journal/Serial
    Journal/Serial
    Düsseldorf : Verlagsgr. Handelsblatt | Düsseldorf : Arbeitgeber-Verl. Ide | Köln : Bachem ; [1.]1949 - [3.]1951; 4.1952 - 63.2011,7/8; damit Ersch. eingest.
    Keywords: Bundesvereinigung der Deutschen Arbeitgeberverbände ; Management ; Betriebliche Sozialpolitik ; Arbeitsrecht ; Wirtschaftspolitik ; Zeitschrift ; Sozialpolitik ; Zeitschrift ; Arbeitsrecht ; Zeitschrift ; Arbeit ; Zeitschrift ; Arbeitgeber ; Deutschland ; Deutschland ; Deutschland ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Zeitschrift ; Deutschland 03.10.1990- ; Management ; Zeitschrift ; Deutschland 03.10.1990- ; Betriebliche Sozialpolitik ; Zeitschrift ; Deutschland 03.10.1990- ; Arbeitsrecht ; Zeitschrift ; Wirtschaftspolitik ; Zeitschrift ; Sozialpolitik ; Zeitschrift ; Arbeitsrecht ; Zeitschrift ; Arbeit ; Zeitschrift ; Arbeitgeber ; Zeitschrift ; Bundesvereinigung der Deutschen Arbeitgeberverbände ; Zeitschrift
    Type of Medium: Journal/Serial
    Pages: 30 cm
    ISSN: 0402-7787
    RVK:
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    Former Title: ˜Derœ Arbeitgeber
    Language: German
    Note: Anfangs vierzehntägl., später monatl.
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  • 21
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 22
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 26-28 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 23
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 57-58 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 24
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 159-165 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A method has been devised for the estimation in fermentation media, of 1-dehydro-17-α-methyltestosterone in the presence of 17-α-methyltestosterone. This method involves the extraction of the steroids with chloroform, and spectrophotometric measurement of the chromogen formed by a specific color reaction with sulfuric acid and 1-dehydro-17-α-methyltestosterone. The fermentation liquor and 17-α-methyltestosterone do not interfere. With this rapid (30 min.) method, quantitative tests on the progress of the steroid transformation can be made at frequent intervals during one fermentation run, these tests yielding the necessary information for an adequate control of the optimum conditions of production.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 25
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 127-146 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Sugar molasses of high specific activity is prepared by photosynthesizing C14O2 into sugar in a leaf of the Canna plant and then extracting the sugar. When T. utilis is grown in such a medium about 45% of the radioactivity is incorporated into the yeast cell; the remaining radioactivity is carbon dioxide and volatile organic compounds. The cells are now randomly labeled in all carbon compounds. Distribution of C14 in the major cell components, such as protein, polysaccharide, and nucleic acids is shown.Nucleic acid is extracted from the cells and subject to chemical and enzyme action, for the preparation of randomly labeled ribonucleotides. Proteins are isolated and hydrolyzed to yield high specific activity amino acids, up to 150 mc. per millimole. Similarly polysaccharides are also isolated and from them high specific activity glucose and mannose are obtained by acid hydrolysis.By growing T. utilis in a medium containing C14-8-adenine and C14-2-uracil, these bases are about 90% incorporated into the nucleic acids of the cell. Using the same methods described for the uniformly labeled nucleic acid only base labeled nucleosides and nucleotides are prepared.Preparative procedures for the isolation of some of these compounds are discussed. The latest biochemical techniques for their purification are described. Methods for assaying for radiochemical purity and problems concerining stability of high specific activity compounds are discussed.
    Additional Material: 10 Ill.
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  • 26
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 361-365 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The ability of Bacillus subtilis to accumulate guanosine 5′-monophosphate (5′-GMP) extracellularly was demonstrated by isolation of 85% pure 5′-GMP from the broth. In addition, a compound with the properties of guanosine 5′ diphosphate was obtained from the same broth.
    Additional Material: 1 Ill.
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  • 27
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 347-360 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The oxygen uptake rate to suspended cells of Pseudomonas ovalis was measured in two ways using the same cell suspension. Initially the rate was found by measuring the rate of production of gluconic acid by cells suspended in a nitrogenfree, aerated medium. Then, an oxygen electrode was used to measure the rate of transfer of dissolved oxygen to cells suspended in a liquid that was being agitated but not sparged. These rates were markedly different. It was found that agitation affected the oxygen transfer rates in aerated solutions at dissolved oxygen concentrations well above the critical level, but had no affect on the oxygen uptake rates by cells suspended in an unsparged but agitated medium. The data suggested that an additional path existed for oxygen transfer. This alternate route, parallel to the conventional pathway of oxygen transfer, becomes operative when the liquid films surrounding the cells and bubbles merge. The resulting shorter path presents a mechanism for direct transfer of oxygen which increases in importance as the gas-liquid interfacial area increases.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 28
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 367-379 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Continuous flow-type reactors have been used to study the kinetics of biological systems for quite some time. For continuous media sterilization, tubular flow reactors are particularly useful being simple in character and easy to control. However, one aspect quite often neglected in sterilization calculations is the residence time distribution of the reactor system. Serious errors in estimating the degree of bacterial destruction can be encountered if the residence time distribution is neglected; especially when a high degree of destruction is desired. This paper reports a study made to characterize and use the residence time distribution of a tubular reactor in the interpretation of high-temperature, short exposure time data for inactivation of Bacillus stearothermophilus spores. Mathematical models accounting for the residence time distribution of the tubular reactor have been proposed and employed to obtain high-temperature death-rate data.
    Additional Material: 8 Ill.
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  • 29
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 381-401 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A unit of four fermentors, which is specially designed for batch and continuous cultivation of pathogenic microorganisms in vaccine preparation, is described. Each unit consists of a panel with controls and recorders. The fermentor itself consists of a stainless steel lid, to which a spherical or cylindrical glass vessel is attached. Holding volumes are from 1 to 100 l. (3 and 7 l. being mostly used) and can be obtained by simply exchanging the vessels which have similar flanges.Interchangeability, not only of the glass vessels, but also of the stirrers, pipes, pH electrodes, etc., together with variable control of temperature, stirrer speed, air or gas flow, and pH value gives the unit a maximum of versatility.
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  • 30
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    Biotechnology and Bioengineering 6 (1964), S. 403-418 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Methods for composting small quantities of organic materials have been developed in order to be able to better study the composting process. A composting bin was developed which holds 27 cu. ft. of compost and which provides uniform conditions of temperature, moisture, and aeration within the compost mass. A system for indoor composting of less than one cubic foot of material has been developed and is described. The methods have been shown to be reliable and reproducible. The composts were evaluated for their suitability for mushroom growing and were found to give high yields of mushrooms.
    Additional Material: 9 Ill.
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  • 31
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    Biotechnology and Bioengineering 6 (1964), S. 419-439 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A cultivation apparatus made up from six small (80-800 ml.) glass units with independent pH-, aeration-, and foam control is described. Exchangeable attachments made it possible to run the unit both batchwise and continuous and to connect up the units in various fashions.
    Additional Material: 14 Ill.
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  • 32
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    Biotechnology and Bioengineering 6 (1964), S. 469-471 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: It was found that moderate pressures (16.0 to 43.1 atmospheres) perceptibly decreased the rate of α-amylase catalyzed starch hydrolysis. The decreased rate was apparently due to pressure induced deactivation of the enzyme.
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    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 34
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    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 35
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    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 36
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    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 37
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    Biotechnology and Bioengineering 6 (1964), S. 10-11 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 38
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    Biotechnology and Bioengineering 6 (1964), S. 12-13 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 39
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    Biotechnology and Bioengineering 6 (1964), S. 23-25 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 40
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    Biotechnology and Bioengineering 6 (1964), S. 29-35 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 41
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    Biotechnology and Bioengineering 6 (1964), S. 36-49 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 42
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    Biotechnology and Bioengineering 6 (1964), S. 50-52 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 43
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    Biotechnology and Bioengineering 6 (1964), S. 53-56 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 44
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    Biotechnology and Bioengineering 6 (1964), S. 241-242 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 45
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    Biotechnology and Bioengineering 6 (1964), S. 191-221 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Distillers' yeasts, strains of Saccharomyces cerevisiae, although capable of sexual reproduction, in distillery practice reproduce asexually, by budding. A cell may bring forth another one in 50 min. With every ounce of whiskey produced, 30 billion new cells come to existence. Within a few days, in 4-8 propagation stages, a test tube full of culture will populate 100,000 gallons beer with 150 million cells per ml. Rate of reproduction, the number of new cells per each original cell varies from 5 to 50 in the various propagation stages. The number of new cells produced in a given nutrient is independent from the number of initial cells; and the utilization of the nutrient increases with the dilution of the substrate. Although distillers' yeasts may reproduce at such extremes as 1-46°C, 2½-10½ pH, presence of 0-15% alcohol by volume, and 0.1-25% sugar content, in distillery practice the factors are so selected to maintain conditions close to the optimum. When placed in the nutrient the initial cells will measure the chemical and physical characteristics of the new living space and the cell population, and will prepare a design of reproduction best suited to the conditions. The design includes a symmetry in the grouping of the cells and a rhythmic timing in starting new buds. Each healthy cells is biologically equal to the others and is capable of performing all functions characteristic of the strain. In spite of the sensitive coordination system between the individual cells that regulates their activity, marked differences exist among the cells to the degree of cell individuality. Distillers yeasts are superbly equipped to live and reproduce.
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  • 46
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    Biotechnology and Bioengineering 6 (1964), S. 243-243 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 47
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    Biotechnology and Bioengineering 6 (1964), S. 243-243 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 48
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    Biotechnology and Bioengineering 6 (1964), S. 14-17 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 49
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    Biotechnology and Bioengineering 6 (1964), S. 18-21 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 50
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    Biotechnology and Bioengineering 6 (1964), S. 22-22 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Biotechnology and Bioengineering 6 (1964), S. 59-62 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 52
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    Biotechnology and Bioengineering 6 (1964), S. 63-64 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 53
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    Biotechnology and Bioengineering 6 (1964), S. 65-68 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 54
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    Biotechnology and Bioengineering 6 (1964), S. 71-72 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 55
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    Biotechnology and Bioengineering 6 (1964), S. 69-70 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 56
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    Biotechnology and Bioengineering 6 (1964), S. 173-190 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A 2000 l. 1 m. deep mass culture of algae was operated with continuous stirring, as an open system. The system behaved as an ecological unit selecting the most favored species. The ecological conditions could be modified by stirring speed and pattern in the tank. Methods for improving yields and utilization of CO2 are described. Assessment of algal species for suitability in mass cultures is discussed. Yields obtained were 13 g. dry matter/sq. m. illuminated area/day.
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  • 57
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    Biotechnology and Bioengineering 6 (1964), S. 235-240 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The operation and construction of a liquid-liquid chromatography apparatus containing differentially permeable partions is described. The method is of value for the separation of heat sensitive and nonvolatile solutes.
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