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  • 1
    Monograph available for loan
    Monograph available for loan
    Melbourne : CSIRO
    Associated volumes
    Call number: MOP Per 301(19)
    In: Division of Meteorological Physics technical paper
    Type of Medium: Monograph available for loan
    Pages: 23, 316, 23 S. , Ill.
    Series Statement: Division of Meteorological Physics technical paper 19
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0002(314-D)
    In: Professional paper
    Type of Medium: Series available for loan
    Pages: IV S., S. 45-90
    Series Statement: U.S. Geological Survey professional paper 314-D
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Human evolution 12 (1997), S. 221-232 
    ISSN: 1824-310X
    Keywords: Oreopithecus bambolii ; fossil primate ; Miocene ; skull reconstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The crushed skull ofOreopithecus bambolii (IGF 11778) has been fully reconstructed in Florence, Italy and shows important differences with previous drawn reconstructions. The jaws are massive and projecting, such that the face is not as short as was believed. The incisors are small and do not project significantly forward beyond the position of the canines, and the anterior symphyseal surface of the mandible projects in front of the canines and well infront of the upper canines and incisors. There is a prominent sagittal crest, a high ascending mandibular ramus, and a nuchal plane which faces postero-inferiorly.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The aim of this study was to develop a simple means of studying the distribution of mRNA coding for post-synaptic proteins at the human neuromuscular junction. A reliable method by which to identify the junctions in tissue sections after in situ hybridization was essential. A method is described for combining the histochemical demonstration of esterase activity at the neuromuscular junction with autoradiographic localization of mRNA by in situ hybridization in the same cryostat section of skeletal muscle. The indigogenic esterase method of Strum and Hall-Craggs (1982) was modified in such a way that it is able to survive the multiple steps involved in in situ hybridization and autoradiography. The protocol is simple and reproducible and has been used successfully on sections of both rat and human skeletal muscle. To demonstrate the method, sections were reacted to reveal esterase activity and were then processed for in situ hybridization using a 35S-labelled probe specific for the ∈-s ubunit of the acetylcholine receptor. The reaction product was retained after the lengthy in situ hybridization and autoradiographic procedures. To our knowledge, this is the first demonstration of acetylcholine receptor mRNA by in situ hybridization at human neuromuscular junctions. © Chapman & Hall
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0449-2951
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A study has been carried out on the molecular weights and their distribution for polyisoprene prepared with butyl lithium as initiator in n-hexane and tetrahydrofuran solvents. A stoichiometry of one chain per initiator molecule was found to apply. As in the case of styrene, the initiation reaction in the hydrocarbon solvent was relatively slow compared to propagation, thus leading to a broadening of the molecular weight distribution. However, narrow distributions were obtained by using a preinitiation technique, whereby all chains had an opportunity of growing simultaneously. In the THF solvent, the molecular weight distribution waa somewhat broader (M̄v/M̄n, ∽ 1.3) presumably due to a slow competitive chain termination reaction between the growing anionic chains and the solvent, a t room temperature.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The determination of dislocation densities and distributions in III–V compounds by etching techniques frequently leads to erroneous results, especially where high densities are involved. The paper reports the use of a HNO3∶HCl∶Br etch on slices of InP and GaP and specifies the conditions under which the etch may be used as a precise guide to the dislocation density and distribution. Comparison of etch-pit micrographs and X-ray Lang topographs is used to establish the validity of the etching technique and to obtain information on the type, density and distribution of dislocations in substrates and epitaxial layers.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Abstract The room temperature polymerizing system comprising poly(ethyl methacrylate)-tetra hydrofurfuryl methacrylate (PEM/THFMA) has potential in orthopaedic and dental applications, and earlier work has shown it to have unusual water absorption characteristics. This aspect has been studied in further detail, by studying the water absorption behaviour from some biological solutions, and the effect of the addition of an antibiotic (gentamicin). For comparison purposes, a parallel system whereby tetrahydrofuryl methacrylate was replaced by hydroxyethyl methacrylate (PEM/HEMA), was studied. In the case of PEM/THFMA, water uptake was substantially reduced when absorption was carried out from solutions (from about 30% in water to about 1.5% in solutions of higher concentrations), and the corresponding diffusion coefficient increased (by a factor of several hundred). The addition of gentamicin increased uptake, but the extent of increase also decreased in solutions. It was concluded that uptake was related to the osmolarity of the external solution, and also on the presence of osmotic sites within the polymer; hence the uptake process appears to be governed by chemical potential considerations. At the higher uptakes, there was evidence of water clusters. In marked contrast, the uptake by the PEM/HEMA system was independent of the osmolarity of the external solutions, presumably due to the hydrophilic nature of HEMA.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Biochemical genetics 21 (1983), S. 1175-1194 
    ISSN: 1573-4927
    Keywords: metallothionein (MT) ; mottled mice ; copper accumulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Copper accumulates in kidney tissue of mottled (Mo) mice largely in association with a low MW cytosol protein, and the reduced copper levels in neonatal mutant liver are largely the result of a reduction in the amount of copper associated with this same protein. On the basis of ion-exchange chromatographic profile, heat stability, absence of a 280nm absorption peak, and the binding of Cd109 and Zn65 the protein mutants in the kidney is identified as metallothionein (MT). Amino acid analysis, however, failed to confirm this, and it is suggested that the high copper content of the mutant protein results in its oxidative degradation during purification, even when normal anaerobic precautions are taken. Estimates of thionein protein content of tissues from mutant and normal mice demonstrated that the levels are significantly elevated in both young and adult mutant kidney and depressed in young mutant liver, in parallel therefore with the changes in tissue copper levels. In adult mutant liver tissue, however, thionein levels are significantly raised, even though tissue copper content is normal. The synthesis and degradation of MT was examined in some detail. Incorporation of S35-cysteine in kidney MT was significantly raised in both young and adult mutant mice, while in adult tissue the rate of degradation of MT was significantly depressed. The elevated kidney MT levels arise therefore in young mutant mice from an increased rate of synthesis and in adult mice from the combined effects of increased synthesis and reduced degradation. The degradation of kidney MT was followed in young mice by the loss of Zn65. A biphasic decay curve was revealed in both mutant and normal tissue. The results support the conclusion that the Mo disorder primarily affects copper homeostasis and are consistent with the presence of a lesion in cellular copper efflux in copper-accumulating tissues. The changes in MT levels are a direct result of the altered intra-cellular concentrations.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Given certain prior information about residues from earlier applications of a quantitative factor Q to crops grown in rotation, this paper shows how relatively simple experiments can be used to provide estimates of the optimum applications of Q to successive crops; the estimates obtained allow for the presence of residues. The prior information in the particular case discussed is that if x units of the factor are applied then the residues one, two, three ...t... seasons later are rx, rpx, rp2x, ...rpt−1x..., where r and p are constants such that 0≤r〈1, 0≤p〈1.
    Type of Medium: Electronic Resource
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