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  • Chemistry  (7)
  • Recombinant DNA  (4)
  • Insulin inhibitor  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Gene 102 (1991), S. 129-132 
    ISSN: 0378-1119
    Keywords: Recombinant DNA ; amino acid sequence comparison ; evolution ; yeast
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Gene 151 (1994), S. 215-220 
    ISSN: 0378-1119
    Keywords: Ras ; Recombinant DNA ; conjugation ; mating ; meiosis ; sporulation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0378-1119
    Keywords: RNA helicase ; Ras ; Recombinant DNA ; heat shock ; yeast
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Gene 33 (1985), S. 367-371 
    ISSN: 0378-1119
    Keywords: Recombinant DNA ; asymmetric deletion ; bacteriophage Mu ; plasmid pUC9 ; synthetic left-ends
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 4 (1968), S. 257-261 
    ISSN: 1432-0428
    Keywords: Insulin inhibitor ; serum insulin inhibitor ; insulin-like activity ; nonsuppressible insulin-like activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 1. L'essai biologique intrapéritonéal pour la mesure de l'insuline a été utilisé pour comparer l'efficacité de l'insuline injectée avec du sérum à celle de l'insuline injectée dans de l'albumine à 5%. La différence d'efficacité a été attribuée à un inhibiteur sérique de l'action de l'insuline sur le muscle. — 2. Pour obtenir une estimation quantitative de cette activité inhibitrice, l'efficacité de l'insuline a été calculée par la soustraction de l'effet du sérum seul de celui de l'insuline ajoutée au sérum. Puisque l'effet de l'insuline est fonction du logarithme de la dose, une telle soustraction exige que les deux formes d'activité «insulinlike». (ILA) soient essentiellement différentes. — 3. Malgré la forte quantité d'ILA dans le sérum, les courbes dose-réponse de l'insuline injectée dans le sérum seul et dans l'albumine sont parallèles; l'analyse de ce phénomène démontre clairement que les effets de l'ILA sérique et de l'insuline ajoutée sont arithmétiquement additifs. — 4. Dans le système d'essai intrapéritonéal utilisé, l'ILA du sérum peut être distinguée de l'action de l'insuline ajoutée, car elle n'est pas supprimée par un puissant sérum antiinsulinique.— 5. Le fait que cette méthode, appliquée aux données de toute une série d'expériences, donne lieu à des résultats consistants, est un élément important en sa faveur.
    Abstract: Zusammenfassung 1. Die Methode der intraperitonealen Insulin-Bestimmung wurde verwandt, um die Wirksamkeit von in Serum injizierten Insulin mit der von Insulin zu vergleichen, das in 5%iger Albuminlösung injiziert worden war. Der Unterschied wurde als Wirkung eines Seruminhibitors der Insulinwirkung am Muskel aufgefaßt. — 2. Um quantitative Anhaltspunkte über die Hemmwirkung zu erhalten, bestimmten wir die Wirksamkeit des Insulins, indem wir die Werte, die sich bei alleiniger Injektion von Serum ergaben, arithmetisch von denen subtrahierten, die bei Injektion von Serum mit Insulinzusatz resultierten. Da die Wirkung des Insulins vom Logarithmus der Dosis abhängt, setzt eine solche Subtraktion voraus, daß sich die beiden Formen der insulin-ähnlichen Aktivität grundsätzlich unterscheiden. —3. Die Dosis-Wirkungskurven verliefen für Insulin, das zusammen mit Serum oder mit Albumin injiziert worden war, parallel trotz erheblichen Serumgehaltes an ILA. Die Analyse der Befunde zeigt eindeutig, daß sich die Wirkungen der Serum-ILA und des zugesetzten Insulins arithmetisch addierten. — 4. Im Unterschied zum zugesetzten Insulin konnte die Serum-ILA in dem von uns verwandten intraperitonealen Nachweissystem auch durch Zugabe starker Anti-Insulin-Seren nicht unterdrückt werden. — 5. Die gute Übereinstimmung in den Ergebnissen, die wir bei der Anwendung dieses Berechnungsverfahrens auf die Daten einer ganzen Reihe verschiedener Experimente erhielten, spricht deutlich zu Gunsten des Verfahrens.
    Notes: Summary 1. The intraperitoneal assay of insulin has been used to compare the effectiveness of insulin injected in serum with that of insulin injected in 5% albumin. The difference was interpreted as being due to a serum inhibitor of insulin action on muscle. — 2. To obtain a quantitative assessment of the inhibitory activity, the insulin effectiveness was estimated by the arithmetic subtraction of the effect of the serum alone from that of the insulin added to the serum. Since the effect of insulin is related to the logarithm of the dose, such a subtraction requires that the two forms of insulin-like activity are essentially different. — 3. Dose-response curves for insulin injected in albumin and in serum were parallel, despite the considerable ILA of the serum; and analysis of the phenomenon clearly shows that the effects of the serum ILA and the added insulin were arithmetically additive. — 4. The ILA of the serum was distinguishable from that of the added insulin in not being suppressed by potent anti-insulin serum in the intraperitoneal assay system used. — 5. The consistency in the results obtained by the application of this procedure to the data of a variety of experiments provides effective support for the procedure.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 3 (1967), S. 287-298 
    ISSN: 1432-0428
    Keywords: Insulin inhibitor ; Serum insulin inhibitor ; Muscle ; Adipose tissue ; Polypeptide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 1. Le dosage biologique de l'activité insulinique selon la technique de l'injection intrapéritonéale a été utilisé pour détecter l'existence d'un inhibiteur sérique de l'insuline. 2. Il a été établi que la solution d'injection permettant d'obtenir un effet insulinique maximum est celle qui contient de l'albumine bovine, à raison de 5 g pour cent. 3. On constate que l'insuline mélangée, soit à du sérum humain normal, soit à du sérum de rats mâles normaux, est moins efficace dans son action sur le diaphragme que l'insuline injectée seule dans la solution d'albumine bovine à 5%. L'effet sur le tissu adipeux par contre demeure inchangé. 4. L'activité inhibitrice ainsi observée est associée à la fraction albumine du sérum. Elle ne disparaît ni après dialyse prolongée du sérum complet ni après celle de la fraction albumine seule. 5. L'activité inhibitrice est libérée de l'albumine quand on fait bouillir celle-ci, le pH étant de 4 à 5. Il semble que la substance obtenue de cette manière soit un polypeptide d'un poids moléculaire de 5000 à 10000.
    Abstract: Zusammenfassung 1. Die Messung der Wirkung intraperitoneal injizierten Insulins am Zwerchfell und am epididymalen Fettgewebe erlaubt den Nachweis von Inhibitoren der Insulinaktivität in der Injektionsflüssigkeit. 2. In einer 5%igen Lösung von Rinder-Albumin hat intraperitoneal injiziertes Insulin einen maximalen Effekt. 3. Die Insulinwirkung am Zwerchfell, nicht aber am Fettgewebe, wird signifikant vermindert, wenn das Hormon zusammen mit Seren von männlichen Ratten und Menschen injiziert wird. 4. Die Inhibitor-Aktivität befindet sich in der Albuminfraktion der betreffenden Seren und wird durch Dialyse des Serums oder der Albuminfraktion nicht vermindert. 5. Sie kann nach Sieden bei pH 4 bis 5 vom Albumin abgetrennt werden. Bei der inhibitorisch aktiven Substanz scheint es sich um ein Peptid mit MG zwischen 5000 und 10000 zu handeln.
    Notes: Summary 1. The intraperitoneal assay of insulin activity has been used to detect the presence of an insulin inhibitor in serum. 2. A solution of 5% bovine serum albumin has been established as an injection medium permitting the maximum insulin effectiveness. 3. When insulin was injected intraperitoneally in serum from male rats or male human subjects, the insulin effectiveness on the diaphragm was reduced compared with that of insulin in 5% bovine albumin; whereas that on the epididymal adipose tissue was unaffected. 4. The inhibitory activity was associated with the albumin fraction of the serum; and neither the inhibitory activity of the serum nor that of the albumin derived from the serum was affected by prolonged dialysis. 5. The inhibitory activity was released from the albumin by boiling at pH 4 to 5. The inhibitory substance appears to be a polypeptide of mol. wt between 5000 and 10000.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Biomaterials 5 (1994), S. 293-306 
    ISSN: 1045-4861
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: Strain transfer near hydroxyapatite (HA) coated canine hip implants was examined using simulated anatomical loading based on in vivo strain measurements. Strain changes near implants relative to intact control values were in excess of 100% for transverse and principal strains for zero time period (immediate postimplant) specimens. They were generally smaller (100% or less) for axial, transverse, and principal minimums in the same locations for 4 months postimplantation specimens.Cortical bone loss occurred in all implanted femora. The most extensive loss, up to 47%, occurred adjacent to the proximal section of the implant. Extensive trabecular bone formation, over 300% in some regions of each femur, was noted in all implanted femora.Backscattered electron imaging along the HA-coated sections of the implants showed extensive bone bonded to the coating. Normal light and UV light micrographs showed direct bone apposition to the implant surfaces and extensive bone formation in all test animals. Microscopy revealed no evidence of any soft tissue layer between the implant and bone. Bone was typically found in direct contact with the implant surface.Histomorphometry indicated that bone formation rates in the implanted femora were elevated, up to 850%, relative to controls. Fewer formation sites were noted on the posterior and lateral (in two cases zero sites). Mineral apposition rates (MAR) from two of the dogs were slightly elevated (from 110-113%) in the implanted femora relative to controls and depressed (to about 83% of controls) in a third. © 1994 John Wiley & Sons, Inc.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Biomaterials 6 (1995), S. 237-242 
    ISSN: 1045-4861
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: Because of the recent trend in total hip arthroplasty to achieve direct contact of the endoprosthesis with cortical bone, comparison of bone apposition from cortical bone and cancellous bone was performed. The response of cortical and cancellous bone to hydroxylapatite was also compared. Implants in cortical bone demonstrated a higher interface shear strength and more bone apposition than those in cancellous bone over all time periods tested. Hydroxylapatite coating increased the interfacial shear and bone apposition in cortical bone at all time periods and in both the 3- and 6-week cancellous bone models. The potential effect of stress shielding (and subsequent bone resorption) by femoral stems ingrown with cortical bone is discussed. © 1995 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Hydrocarbon-soluble oligomers were prepared by the acid-catalyzed condensation of alkylanilines with formaldehyde. Highest molecular weight oligomers (MW ∼ 6000) were obtained from alkylanilines prepared by the Friedel-Crafts alkylation of aniline with α-olefins. By NMR, it was shown that the oligomers contain structures corresponding to methylene-linked aromatic rings and methylene linked to both an aromatic ring and a nitrogen atom. The oligomers exhibit very good initial inhibition of metal corrosion in aqueous environment; and the inhibition is more persistent than that observed with monomeric analogs.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 21 (1975), S. 1158-1164 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A new method is presented for the numerical solution of nonlinear minimum-time control problems where at least one of the state variables is monotone. A coordinate transformation converts the problem with fixed end point and free end time to one of free end point and fixed end time. The transformed problem can be solved efficiently by the use of the gradient method with penalty functions to force the system to achieve target values of state variables. Application of the method is illustrated by the synthesis of a minimum-time temperature path for the thermally initiated bulk polymerization of styrene.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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