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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 836-836 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I FOUND many colonies of Phoronis hippocrepia on limestone boulders uncovered at low water of the biggest spring tides in July and August 1939. This was on the collecting ground known in our laboratory as Black Rocks, at the eastern end of the Menai Straits. Most of the individuals had embryos ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Tetrahedron 50 (1994), S. 5147-5158 
    ISSN: 0040-4020
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 220-220 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BECAUSE of delay in correcting and returning proofs, the letter under this title in Nature of January 22, p. 137, contains an error in the last paragraph. The larvæ of Enteropneusta rotate in an anti-clockwise direction viewed from the animal pole, not a clockwise one. To judge from the ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 164 (1949), S. 694-696 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a recenlrmeeting of the Challenger Society our attention was directed to the need for a restatement of tfie technique for the estimation of nanno-planktoji flagellates and algse. Appreciation of the imporuance of these very small forms as food for marine larvae and filter feeders is growing, ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 201-202 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE barnacle Elminius modestus Darwin was known only from the southern hemisphere until, less than a year ago, Bishop reported its presence at Chichester and probably at Harwich1. Further details of its present known distribution are given by Crisp and ...
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  • 6
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    In:  Geophys. Res. Lett., Luxembourg, Conseil de l'Europe, vol. 32, no. 9, pp. 245-254, pp. L09603, (ISSN: 1340-4202)
    Publication Date: 2005
    Keywords: Tsunami(s) ; Earthquake ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; GRL
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  • 7
    Publication Date: 2014-12-17
    Description: A new data set of monthly temperatures, adjusted for detected inhomogeneities, was used to examine whether the monthly temperature climate of the U.S. has become more extreme. During the past 2-3 decades, there has been a shift toward more frequent very warm months, but less frequent very cold months. Thus, overall the monthly temperature climate has not become more extreme. Mid-20 th Century including the 1930s was an earlier period of frequent very warm months, a result of very warm daytime temperatures, while nighttime temperatures were not unusual. Regionally, there is a lack of century-scale warming in the southeast U.S. annually and in parts of the central U.S. in the summer, characterized by lack of daytime warming while there has been nighttime warming. Compared to the earlier mid-century warm period, recent decades have been more (less) extreme in the summer (winter) in the west while Midwest summers have been less extreme.
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 8
    Publication Date: 2001-08-04
    Description: An early event in RNA interference (RNAi) is the cleavage of the initiating double-stranded RNA (dsRNA) to short pieces, 21 to 23 nucleotides in length. Here we describe a null mutation in dicer-1 (dcr-1), a gene proposed to encode the enzyme that generates these short RNAs. We find that dcr-1(-/-) animals have defects in RNAi under some, but not all, conditions. Mutant animals have germ line defects that lead to sterility, suggesting that cleavage of dsRNA to short pieces is a requisite event in normal development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1855227/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1855227/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knight, S W -- Bass, B L -- R01 GM044073/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2001 Sep 21;293(5538):2269-71. Epub 2001 Aug 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Howard Hughes Medical Institute, University of Utah, 50 North Medical Drive, Room 211, Salt Lake City, UT 84132, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11486053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Genetically Modified ; Caenorhabditis elegans/cytology/*enzymology/*genetics/growth & development ; Cell Differentiation ; Disorders of Sex Development ; Endoribonucleases/genetics/*metabolism ; Female ; *Gene Silencing ; Genes, Helminth ; Germ Cells/*cytology/metabolism ; Male ; Mutation ; Oocytes/cytology ; Phenotype ; RNA, Double-Stranded/*genetics/*metabolism ; RNA, Helminth/genetics/metabolism ; RNA, Messenger/genetics/metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Ribonuclease III ; Sequence Deletion
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2000-09-16
    Description: Double-stranded RNA (dsRNA) inhibits expression of homologous genes by a process involving messenger RNA degradation. To gain insight into the mechanism of degradation, we examined how RNA interference is affected by mutations in the smg genes, which are required for nonsense-mediated decay. For three of six smg genes tested, mutations resulted in animals that were initially silenced by dsRNA but then recovered; wild-type animals remained silenced. The levels of target messenger RNAs were restored during recovery, and RNA editing and degradation of the dsRNA were identical to those of the wild type. We suggest that persistence of RNA interference relies on a subset of smg genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Domeier, M E -- Morse, D P -- Knight, S W -- Portereiko, M -- Bass, B L -- Mango, S E -- 42014/PHS HHS/ -- 5P30CA42014/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 2000 Sep 15;289(5486):1928-31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Huntsman Cancer Institute Center for Children and Department of Oncological Sciences, University of Utah, Salt Lake City, UT 84112, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10988072" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Deaminase/metabolism ; Alleles ; Animals ; Caenorhabditis elegans/genetics/*metabolism ; *Caenorhabditis elegans Proteins ; Gene Silencing ; Helminth Proteins/genetics/*metabolism ; Mutation ; Myosin Heavy Chains/genetics/metabolism ; Nonmuscle Myosin Type IIB ; Phosphoproteins/genetics/*metabolism ; RNA Stability ; RNA, Double-Stranded/metabolism/pharmacology ; RNA, Helminth/*metabolism ; Reverse Transcriptase Polymerase Chain Reaction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2011-01-15
    Description: Selective oxidation of primary carbon-hydrogen bonds with oxygen is of crucial importance for the sustainable exploitation of available feedstocks. To date, heterogeneous catalysts have either shown low activity and/or selectivity or have required activated oxygen donors. We report here that supported gold-palladium (Au-Pd) nanoparticles on carbon or TiO(2) are active for the oxidation of the primary carbon-hydrogen bonds in toluene and related molecules, giving high selectivities to benzyl benzoate under mild solvent-free conditions. Differences between the catalytic activity of the Au-Pd nanoparticles on carbon and TiO(2) supports are rationalized in terms of the particle/support wetting behavior and the availability of exposed corner/edge sites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kesavan, Lokesh -- Tiruvalam, Ramchandra -- Ab Rahim, Mohd Hasbi -- bin Saiman, Mohd Izham -- Enache, Dan I -- Jenkins, Robert L -- Dimitratos, Nikolaos -- Lopez-Sanchez, Jose A -- Taylor, Stuart H -- Knight, David W -- Kiely, Christopher J -- Hutchings, Graham J -- New York, N.Y. -- Science. 2011 Jan 14;331(6014):195-9. doi: 10.1126/science.1198458.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21233383" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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