Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1975-1979  (5)
  • 1935-1939
  • 1976  (5)
Material
Years
  • 1975-1979  (5)
  • 1935-1939
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 41 (1976), S. 3307-3312 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 5 (1976), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: H-2fa is a spontaneous mutation that occurred in an (A.CA × A)F1 female mouse and was later transferred on an A-strain background [congenic line A.CA(M506) or M506]. Skin grafts exchanged between M506 and A.CA strains are rejected within 4 weeks after grafting. Significant reaction is observed when these two strains are used as responders and stimulators in mixed lymphocyte culture or in a splenomegaly graft-versus-host assay. The mutant antigen induces strong cell-mediated lymphocytotoxicity. The mutation maps in the K end of the H-2 complex. The capacity of mutant antigens to induce relatively strong lymphocyte proliferation is explained by hypothesizing that the T-cell receptors reacting with K- or D-region products can more easily recognize subtle than drastic alloantigenic differences.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Summary The viscous flow behaviour of polyacrylamides laboratory samples ofM = 5⋅105–5⋅106) dissolved in water, formamide and glycole in the concentration rangec p =0.1–5% has been investigated. Zero shear data of the aqueous solutions cannot be correlated usingBueche's (c · M) criterion; a good fit of all data is obtained, when the Simha parameterc · [η] is used. Comparison of the flow curves with variation of the solvent clearly shows a dependence on the thermodynamical properties of the polymer/solvent system. The combination of all results gives evidence for the fact, that specific energetic interactions — and not only simple geometric parameters — are a controlling factor in the structure formation (“entanglement”) of moderately concentrated solutions of polar polymers.
    Notes: Zusammenfassung Es wird über das Fließverhalten von Polyacrylamiden (Laborpräparate im MolekulargewichtsbereichM=5⋅105 bis 5⋅106) in Wasser. Formamid und Glykol im Konzentrationsbereichc p =0,1–5% berichtet. Die Viskositätsdaten der wäßrigen Lösungen im 1. newtonschen Bereich lassen sich in geschlossener Form nicht als Funktion von (c·M), sondern als Funktion des Simha-Parametersc·[η] darstellen. Der Vergleich der Fließkurven bei Variation des Lösungsmittels weist auf eine Korrelation mit den thermodynamischen Eigenschaften des Systems Polymer/Lösungsmittel hin. Die Summe der Befunde zeigt, daß spezifisch energetische Wechselwirkungen — und nicht nur rein geometrische Parameter — für die Strukturbildung („Entanglement“) in konzentrierteren Lösungen polarer Polymerer verantwortlich sein müssen.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Summary Experimental results on polyacrylamides (laboratory samples ofM=5⋅105–5⋅106) — dissolved in water, formamide and glycole — are presented. Stationary and instationary measurements of the 1. normal stress difference as well as the temperature dependence of solution viscosity are clearly determined by the thermodynamic properties of the polymer/solvent system. With increasing concentration in all solvents a gelation, connected with strong thixotropic effects, is observed. The importance of energetic interactions of the types polymer/solvent and polymer/polymer for the structure formation in moderately concentrated solutions of polar polymers is emphasized.
    Notes: Zusammenfassung Es wird über Messungen berichtet, die an Polyacrylamiden (Laborpräparate im BereichM=5⋅105 bis 5⋅106), gelöst in Wasser, Formamid und Glykol, durchgeführt wurden. Sowohl die stationären und instationären Messungen der 1. Normalspannungsdifferenz als auch die Ergebnisse zur Temperaturabhängigkeit der Lösungsviskosität werden eindeutig durch den thermodynamischen Charakter des jeweiligen Polymer-Lösungssystems geprägt. Mit zunehmender Konzentration wird in allen Lösungsmitteln eine Gelierung, verbunden mit starken Thixotropie-Effekten, beobachtet. Die Bedeutung der energetischen Wechselwirkung Polymer/Lösungsmittel und Polymer/Polymer für die Strukturbildung in konzentrierterer Lösung polarer Polymerer wird erneut unterstrichen.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 48 (1976), S. 324-324 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...