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  • in situ oxidation  (2)
  • *Chromosomes, Human, 4-5  (1)
  • Amino Acid Sequence
  • 1980-1984  (4)
  • 1
    Electronic Resource
    Electronic Resource
    In situ observation of whiskers, pyramids and pits during the high-temperature oxidation of metals (1984)
    Springer
    Oxidation of metals 21 (1984), S. 89-102 
    Details
    ISSN: 1573-4889
    Keywords: in situ oxidation ; growth around dislocations ; water vapor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A hot-stage, environmental scanning electron microscope has been used to observe the in situ development of oxide whiskers, pyramids, and pits in the oxidation of copper and nickel at elevated temperatures. The effects of oxidation temperature, metal deformation, and the presence of water vapor on these irregular oxidation features were studied. In each case, the feature results from the presence of a central screw dislocation which provides ledges for the extension of the oxide lattice, but the specific geometries are decided by factors such as surface diffusion along the dislocation core, the rate of the molecular dissociation step, and the balance of surface energy and dislocation line tension forces.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00659470
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    In situ SEM study of the high-temperature oxidation of an Fe-Mn-Al-Si alloy (1984)
    Springer
    Oxidation of metals 21 (1984), S. 81-88 
    Details
    ISSN: 1573-4889
    Keywords: in situ oxidation ; Fe-Mn-Al-Si alloys ; protective alumina scale
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The oxidation behavior of a low-carbon Fe-30Mn-10Al-Si alloy was studied at 1100 and 1150†C in a hot-stage environmental scanning electron microscope. The oxidation experiments were performed in pure oxygen at a partial pressure of 10 −4 atm. Under these conditions, nodule nuclei of manganese and iron oxide appeared after a few minutes of oxidation, indicating the local destruction of the protective Al2O3 scale. The nodules grew and coalesced and finally overgrew the entire specimen surface. The composition of the nodules changed during the growth process; the amount of iron decreased, and the manganese content increased to about 95 wt%. All the nodules were located in symmetrically shaped pits which intrude into the metal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00659469
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  • 3
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    The human homologs of the raf (mil) oncogene are located on human chromosomes 3 and 4 (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-06
    Description: Two human genes that are homologous to both the murine transforming gene (oncogene) v-raf and the chicken transforming gene v-mil have been mapped by means of human-rodent somatic cell hybrids to human chromosomes previously devoid of known oncogenes. One gene, c-raf-2, which appears to be a processed pseudogene, is located on chromosome 4. The other gene, c-raf-1, which appears to be the active gene, is located on chromosome 3 and has been regionally mapped by chromosomal in situ hybridization to 3p25. This assignment correlates with specific chromosomal abnormalities associated with certain human malignancies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonner, T -- O'Brien, S J -- Nash, W G -- Rapp, U R -- Morton, C C -- Leder, P -- New York, N.Y. -- Science. 1984 Jan 6;223(4631):71-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6691137" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/genetics ; Animals ; Chromosome Aberrations ; Chromosome Mapping ; *Chromosomes, Human, 1-3 ; *Chromosomes, Human, 4-5 ; Cricetinae ; Humans ; Hybrid Cells ; Kidney Neoplasms/genetics ; Lung Neoplasms/genetics ; Male ; Mice ; Nucleic Acid Hybridization ; *Oncogenes
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Primary structure of v-raf: relatedness to the src family of oncogenes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-20
    Description: A replication-defective, acute transforming retrovirus (murine sarcoma virus 3611) was isolated from mouse and molecularly cloned. The nucleotide sequence of 1.5 kilobases encompassing the transforming gene (v-raf) was determined. This sequence, which predicts the amino acid sequence of a gag-raf fusion protein, terminates 180 nucleotides from the 3' end of the acquired cellular sequence. Comparison of the predicted amino acid sequence of v-raf with the predicted amino acid sequences of other oncogenes reveals significant homologies to the src family of oncogenes. There is a lack of homology within the sequence of the tyrosine acceptor domain described for the phosphotyrosine kinase members of the src family of transforming proteins. Phylogenetic arrangement of this family of oncogenes suggests that tyrosine-specific phosphorylation may be a recently acquired activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mark, G E -- Rapp, U R -- New York, N.Y. -- Science. 1984 Apr 20;224(4646):285-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6324342" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Biological Evolution ; Cell Transformation, Neoplastic ; Cell Transformation, Viral ; DNA Restriction Enzymes ; Gene Products, gag ; *Genes, Viral ; Mice ; *Oncogenes ; Protein Biosynthesis ; Protein Kinases/metabolism ; Protein-Tyrosine Kinases ; Sarcoma Viruses, Murine/*genetics ; Transcription, Genetic ; Tyrosine/metabolism ; Viral Proteins/analysis/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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