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  • 1
    Electronic Resource
    Electronic Resource
    Investigation of charged nuclei in the free atmosphere (1955)
    Springer
    Pure and applied geophysics 31 (1955), S. 182-182 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The results of an investigation of the time variations in the vertical distribution of charged nuclei (large ions) in the atmosphere in fair weather were presented. These experiments were carried out with instruments installed in aB-17 aircraft for measuring and recording simultaneously the concentration and mobility distribution of particles with mobility between 0.7 and 2.0×10−2 cm2/sec-volt, electrical conductivity, temperature, pressure, humidity and air speed. Approximately 25 series of flights were carried out. Each series consisted of three to seven flights over an eight to twenty-four hour period. All flights in a given series were carried out over a fixed flight path. The average time interval between flights was four hours. On each flight constant altitude measurements were made between 700 and 15 000 feet above the surface at altitude intervals of 1000 feet. From shortly after sunrise to early afternoon all flights show a systematic increase with time in the charged nuclei concentration up to the level to which turbulent and convective mixing extends. Analysis of the meteorological data obtained simultaneously shows this is due primarily to the daily turbulent cycle. The late afternoon and night results are more complicated. It was found necessary to separate this data into two groups corresponding to periods of low and high wind velocity. During periods of low advection a systematic decrease with time was observed in the nuclei concentration from the middle of the afternoon to sunrise. Analysis indicates that these changes are the result of nuclei coagulation and subsidence in the atmosphere. Non-systematic changes with time occurred during periods of intense advection which were found to be the result of continued instability in the lowest layers of the atmosphere and to inhomogeneities in the air mass. Above the exchange layer the changes in nuclei concentration in time at a given level were found to be non-systematic. The time variations in the electrical conductivity were summarized and shown to be primarily the result of changes in the nuclei concentration. Further support for this interpretation of the results is given by the nature of the changes with time in the horizontal variations of charged nuclei, electrical conductivity and humidity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01999600
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  • 2
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    Major pol gene progenitors in the evolution of oncoviruses (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-27
    Description: The genetic relationships among molecularly cloned prototype viruses representing all of the major oncovirus genera were investigated by molecular hybridization and nucleotide sequence analysis. One of the major progenitors of the pol genes of such viruses gives rise to mammalian type C viruses and another gives rise to type A, B, D, and avian type C oncoviruses. Evidence of unusual patterns of homology among the env genes of mammalian type C and D oncoviruses illustrates that genetic interactions between their progenitors contributed to the evolution of oncoviruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chiu, I M -- Callahan, R -- Tronick, S R -- Schlom, J -- Aaronson, S A -- New York, N.Y. -- Science. 1984 Jan 27;223(4634):364-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6197754" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Avian Sarcoma Viruses/genetics ; Base Sequence ; *Biological Evolution ; Cloning, Molecular ; DNA Restriction Enzymes ; *Genes, Viral ; Nucleic Acid Heteroduplexes ; Nucleic Acid Hybridization ; RNA-Directed DNA Polymerase/*genetics/metabolism ; Recombination, Genetic ; Retroviridae/classification/*genetics ; Viral Envelope Proteins/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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  • 3
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    A new class of endogenous human retroviral genomes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-07
    Description: Human DNA contains multiple copies of a novel class of endogenous retroviral genomes. Analysis of a human recombinant DNA clone (HLM-2) containing one such proviral genome revealed that it is a mosaic of retroviral-related sequences with the organization and length of known endogenous retroviral genomes. The HLM-2 long terminal repeat hybridized with the long terminal repeat of the squirrel monkey virus, a type D retrovirus. The HLM-2 gag and pol genes share extensive nucleotide sequence homology with those of the M432 retrovirus (a type A-related retrovirus), mouse mammary tumor virus (a type B retrovirus), and the avian Rous sarcoma virus (a type C retrovirus). Nucleotide sequence analysis revealed regions in the HLM-2 pol gene that were as much as 70 percent identical to the mouse mammary tumor virus pol gene. A portion of the putative HLM-2 env gene hybridized with the corresponding region of the M432 viral genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Callahan, R -- Chiu, I M -- Wong, J F -- Tronick, S R -- Roe, B A -- Aaronson, S A -- Schlom, J -- GM30400/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1208-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2408338" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, Viral/genetics ; Base Sequence ; Cloning, Molecular ; DNA Restriction Enzymes ; Gene Products, gag ; Genes, Viral ; Humans ; RNA-Directed DNA Polymerase/genetics ; Retroviridae/classification/*genetics ; Viral Proteins/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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  • 4
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    Reduction to homozygosity of genes on chromosome 11 in human breast neoplasia (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-10-09
    Description: The somatic loss of heterozygosity for normal alleles occurring in human tumors has suggested the presence of recessive oncogenes. The results presented here demonstrate a loss of heterozygosity of several genes on chromosome 11 in primary breast tumors. Restriction fragment length polymorphism analysis of these DNAs further suggests that the most frequent loss of sequences in breast tumors occurs between the beta-globin and parathyroid hormone loci on the short arm of chromosome 11. The loss of heterozygosity for chromosome 11 loci has a significant association with tumors that lack estrogen and progesterone receptors, grade III tumors, and distal metastasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ali, I U -- Lidereau, R -- Theillet, C -- Callahan, R -- New York, N.Y. -- Science. 1987 Oct 9;238(4824):185-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Tumor Immunology and Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3659909" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Breast Neoplasms/*genetics ; Chromosome Aberrations ; Chromosome Deletion ; Chromosome Mapping ; *Chromosomes, Human, Pair 11 ; Female ; Genes ; *Homozygote ; Humans ; Proto-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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  • 5
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    Investigation of charged nuclei in the free atmosphere (1955)
    Springer
    Details
    Publication Date: 1955-05-01
    Print ISSN: 0033-4553
    Electronic ISSN: 1420-9136
    Topics: Geosciences , Physics
    Published by Springer
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  • 6
    Electronic Resource
    Electronic Resource
    Intervalence transfer in ligand-bridged, trimeric complexes of ruthenium (1976)
    s.l. : American Chemical Society
    Inorganic chemistry 15 (1976), S. 894-900 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50158a032
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of solvent on the energy of intervalence-transfer bands (1976)
    s.l. : American Chemical Society
    Inorganic chemistry 15 (1976), S. 1457-1459 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50160a044
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  • 8
    Electronic Resource
    Electronic Resource
    Reversible electron transfer in ruthenium nitrosyl complexes (1977)
    s.l. : American Chemical Society
    Inorganic chemistry 16 (1977), S. 574-581 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50169a015
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  • 9
    Electronic Resource
    Electronic Resource
    Chromosomal localization of the met proto-oncogene in the mouse and cat genome
    Amsterdam : Elsevier
    Genomics 1 (1987), S. 167-173 
    Details
    ISSN: 0888-7543
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0888-7543(87)90009-7
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  • 10
    Electronic Resource
    Electronic Resource
    The mouse biliary glycoprotein gene (Bgp): Partial nucleotide sequence, expression, and chromosomal assignment
    Amsterdam : Elsevier
    Genomics 10 (1991), S. 583-587 
    Details
    ISSN: 0888-7543
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0888-7543(91)90439-L
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