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  • 1
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 39 (1982), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: α-d-Mannosidase (EC 3.2.1.24.) was purified to homogeneity from adult rat brain. The enzyme, of apparent molecular weight 397,000, appears to be formed of subunits of molecular weight 120,000 made of two protomers (62,000) bound by disulfide bridges. Isoelectric focusing gives two bands, of pi 5.40 and 5.15. Both isoenzymes seem to have the same pH curve (a small peak of activity at pH 4.5 and a maximum of activity around pH 6.0). These two isoenzymes are immunologically related.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 58 (1980), S. 359-363 
    ISSN: 1432-1440
    Keywords: Diuretic therapy ; Secondary hyperlipoproteinemia ; Low density lipoproteins ; High density lipoproteins ; Apoproteins B, A1 and A2 ; Diuretika ; Sekundäre Hyperlipoproteinämie ; Lipoproteine niedriger Dichte ; Lipoproteine hoher Dichte ; Apoproteine B, A1 und A2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zur Abklärung von Ausmaß und Pathogenese der Diuretikainduzierten sekundären Hyperlipoproteinämie wurden bei 12 Probanden die Serumlipide und -lipoproteine, die Apoproteine A1, A2 und B sowie die lipolytischen Enzyme Lipoproteinlipase und hepatische Triglyzeridlipase nach einer vierwöchigen Placeboperiode und nach 6 Wochen Behandlung mit Chlorthalidon untersucht. Außer einem signifikanten Anstieg der atherogenen low density Lipoproteine (LDL), (der LDL-Cholesteringehalt nahm um 18% zu,P〈0,05) waren keine signifikanten Lipoproteinveränderungen faßbar. Insbesondere blieb die high density Lipoprotein-Konzentration sowohl gemessen am HDL-Cholesteringehalt wie an den beiden Apoproteinen A1 und A2 nahezu unverändert. Der leichte statistisch nicht signifikante Anstieg der Serumtriglyzeride war begleitet von einer ebenso wenig signifikanten Zunahme der Aktivität der Lipoproteinlipase und der hepatischen Triglyzeridlipase. Pathogenetisch dürfte der sekundären Hyperlipoproteinämie unter Chlorthalidon am ehesten eine Abbaustörung der LDL zugrunde liegen.
    Notes: Summary In order to study the degree and pathogenic aspects of the secondary hyperlipoproteinemia in patients under diuretic therapy we measured serum lipids, lipoproteins and the apoproteins A1, A2 and B in 12 adults after a 4 weeks placebo period and 6 weeks of treatment with chlorthalidon. There was a significant increase in atherogenic low density lipoproteins (LDL), (18%,P〈0.05) whereas the high density lipoprotein-cholesterol, Apo A1 and A2 levels were not significantly altered. The same was true for the total serum triglyceride- and the very low density lipoprotein- and LDL-triglyceride levels. The activity of lipoprotein lipase and hepatic triglyceride lipase was slightly but not significantly increased. A delayed LDL-catabolism seems to be the most probable pathogenic mechanism underlying the Chlorthalidon-induced hyperlipoproteinemia.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 16 (1983), S. 599-605 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A method of measuring the difference between the lattice parameter of a region of an unknown sample and that of a region of a standard reference crystal to a sensitivity of 1 part in 109 is presented. Problems inherent in multiple-beam arrangements due to sample strains and non-uniformity have been overcome by the use of a new double-source arrangement in which the two X-ray beams sample the same spot on a crystal under study. Ways of identifying and preventing errors from significant mechanical and thermal effects arising in the sensitivity region explored are indicated.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Archive of applied mechanics 54 (1984), S. 205-219 
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Summary Using Hamilton's principle the non-linear boundary value problem for lateral buckling of a cantilever beam subjected to a follower time-independent bending moment is derived. The stability of the resulting state of equilibrium is studied. The influence of external and internal damping on the critical load is discussed in detail.
    Notes: übersicht über das Prinzip von Hamilton wird das nichtlineare Randwertproblem eines kippenden Kragträgers hergeleitet, der durch ein mitgehendes, zeitunabhängiges Endmoment belastet wird. Die Stabilität des sich einstellenden Gleichgewichtszustandes wird untersucht. Der Einflu\ sowohl äu\erer als auch innerer Dämpfung auf die kritische Last wird eingehend diskutiert.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A physiologically based steady-state model of whole leaf photosynthesis (WHOLEPHOT) is used to analyze observed net photosynthesis daily time courses of soybean, Glycine max (L.) Merr., leaves. Observations during two time periods of the 1978 growing season are analyzed and compared. After adjustment of the model for soybean, net photosynthesis rates are calculated with the model in response to measured incident light intensity, leaf temperature, air carbon dioxide concentration, and leaf diffusion resistance. The steady-state calculations closely approximate observed net photosynthesis. Results of the comparison reveal a decrease in photosynthetic capacity in leaves sampled during the second time period, which is associated with decreasing ability of leaves to respond to light intensity and internal air space carbon dioxide concentration, increasing mesophyll resistance, and increasing stomatal resistance.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A physiologically based steady-state model of whole leaf photosynthesis (WHOLEPHOT) is used to describe net photosynthesis daily time courses in Prunus armeniaca. Net photosynthesis rates are calculated in response to incident light intensity, leaf temperature, air carbon dioxide concentration, and leaf diffusion resistance measured at five minute intervals. The steady-state calculations closely approximate the observed net photosynthesis rates for a broad range of weather conditions and leaf stomatal behavior.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of fusion energy 2 (1982), S. 341-349 
    ISSN: 1572-9591
    Keywords: Fusion: Delphi ; nuclear ; synfuels
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The ongoing Chase Delphi study of fusion power has employed a panel of over 100 experts from 13 countries. The use of fusion for synfuel production was emphasized. The panelists believed that the length of time to successful demonstrations and commercialization of fusion could be substantially reduced over current estimates given optimal funding, and that a hydrocarbon producing reactor is feasible with minimal adverse impact on the environment.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of applied physiology 45 (1980), S. 221-234 
    ISSN: 1439-6327
    Keywords: Human ; Physiology ; Strength ; Isokinetic ; Isometric
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Isokinetic and static maximum plantar flexion torques were measured in 135 adults with sedentary professions. Close associations between isokinetic and static peak torques were found. Between the ages 20–49 years strength did not differ. Thereafter strength declined as a function of age. Maximum strength was 35% lower in females than in males. The right plantar flexion strength was slightly lower than the left. Maximum plantar flexion strength was about 15% lower with flexed than with extended knees. A negative exponential model characterized the decline of strength as a function of increased isokinetic velocity of angular motion. Seventy per cent or more of the variations in maximum static and isokinetic strength could be explained by anthropometric variables and by age, and by the extent of physical activity in subjects younger than 50 years. Formulas for estimation of expected static and isokinetic strengths are given.
    Type of Medium: Electronic Resource
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