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  • Oxford University Press  (13)
  • Springer Nature  (10)
  • Blackwell Publishing Ltd  (6)
  • Nature Publishing Group  (6)
  • 2005-2009
  • 2000-2004  (35)
  • 1970-1974
  • 2002  (35)
Collection
Years
  • 2005-2009
  • 2000-2004  (35)
  • 1970-1974
Year
  • 1
    Unknown
    Oxford [England] ; New York : Oxford University Press
    American classical studies  
    Keywords: Greece, History, To 146 B.C. ; Grèce, Histoire, Jusqu'à 146 av. J.-C. ; Rome, Histoire. ; Rome, History. ; Civilisation ancienne. ; Civilization, Classical.
    Pages: xi, 151 p.
    ISBN: 0-19-518490-4
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  • 2
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Mouvements sociaux. ; Social movements.
    Notes: pt. I. Introduction. Opportunities and identities: bridge-building in the study of social movements / David S. Meyer -- pt. II. States and policies. State repression and democracy protest in three southeast Asian countries / Vincent Boudreau -- Mobilization on the South African gold mines / T. Dunbar Moodie -- Multiple meditations: the state and the women's movements in India / Manisha Desai -- The contradictions of gay ethnicity: forging identity in Vermont / Mary Bernstein -- Creating social change: lessons from the civil rights movement / Kenneth T. Andrews -- pt. III. Organization and strategies. The "meso" in social movement research / Suzanne Staggenborg -- Strategizing and the sense of context: reflections on the first two weeks of the Liverpool docks lockout, September-October 1995 / Colin Barker and Michael Lavalette -- Factions and the continuity of political challengers / Mildred A. Schwartz -- More than one feminism: organizational structure and the construction of collective identity / Jo Reger -- The development of individual identity and consciousness among movements of the left and right / Rebecca E. Klatch -- pt. IV. Collective identities, discourse, and culture. Toward a more dialogic analysis of social movement culture / Marc W. Steinberg -- Materialist feminist discourse analysis and social movement research: mapping the changing context for "community control" / Nancy A. Naples -- From the "beloved community" to "family values": religious language, symbolic repertoires, and democratic culture / Rhys H. Williams -- External political change, collective identities, and participation in social movement organizations / Belinda Robnett -- pt. V. Conclusion. Meaning and structure in social movements / Nancy Whittier
    Pages: xvi, 366 p.
    ISBN: 0-19-530277-X
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  • 3
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: . Paramecium tetraurelia, like some other ciliate species, uses an alternative nuclear genetic code where UAA and UAG are translated as glutamine and UGA is the only stop codon. It has been postulated that the use of stop codons as sense codons is dependent on the presence of specific tRNAs and on modification of eukaryotic release factor one (eRFl), a factor involved in stop codon recognition during translation termination. We describe here the isolation and characterisation of two genes, eRF1-a and eRF1-b, coding for eRFl in P. tetraurelia. The two genes are very similar, both in genomic organization and in sequence, and might result from a recent duplication event. The two coding sequences are 1,314 nucleotides long, and encode two putative proteins of 437 amino acids with 98.5% identity. Interestingly, when compared with the eRFl sequences either of ciliates having the same variant genetic code, or of other eukaryotes, the eRFl of P. tetraurelia exhibits significant differences in the N-terminal region, which is thought to interact with stop codons. We discuss here the consequences of these changes in the light of recent models proposed to explain the mechanism of stop codon recognition in eukaryotes. Besides, analysis of the expression of the two genes by Northern blotting and primer extension reveals that these genes exhibit a differential expression during vegetative growth and autogamy.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : The influence of different snail species on the quality of spiced-butter preparation was investigated with regard to labeling, using sensory and instrumental methods. Although sensory as well as instrumentally measured quality attributes indicated differences between the compared species, the sensory panel did not express a preference for a particular species. Differences were most significant between Achatina fulica and Helix aspersa, and between these compared to Helix pomatia or Helix lucorum with regard to color (lightness and redness) and texture (hardness and chewiness). Differences between H. pomatia and H. lucorum were insignificant. Consequently, labeling of products prepared from H. lucorum as non-vineyard snails on grounds of scientific reason is not necessary.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Determination of aqueous phase diffusion coefficients of solutes through porous media is essential for understanding and modeling contaminant transport. Prediction of diffusion coefficients in both saturated and unsaturated zones requires knowledge of tortuosity and constrictivity factors. No methods are available for the direct measurement of these factors, which are empirical in their definition. In this paper, a new definition for the tortuosity factor is proposed, as the real to ideal interfacial area ratio. We define the tortuosity factor for saturated porous media (τs) as the ratio S/So (specific surface of real porous medium to that of an idealized capillary bundle). For unsaturated media, tortuosity factor (τa) is defined as 2awla (ratio of the specific air-water interfacial area of real and the corresponding idealized porous medium). This tortuosity factor is suitably measured using sorptive tracers (e.g., nitrogen adsorption method) for saturated media and interfacial tracers for unsaturated media. A model based on this new definition of tortuosity factors, termed the interfacial area ratio (IAR) model, is presented for the prediction of diffusion coefficients as a function of the degree of water saturation. Diffusion coefficients and diffusive resistances measured in a number of saturated and unsaturated granular porous media, for solutes in dilute aqueous solutions, agree well with the predictions of the IAR model. A comparison of permeability of saturated sands estimated based on τs and the same based on the Kozeny-Carman equation confirm the usefulness of the τs parameter as a measure of tortuosity.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Acacia holosericea seedlings were planted in 1-l pots filled with a soil collected from an Australian Acacia plantation in Southern Senegal. After 6 months of culture, mycorrhizosphere soil, roots, galls induced by root-knot nematodes and Rhizobium nodules were sampled from each pot. The diversity of this bacterial group was characterized by siderotyping (pyoverdine IsoElectric Focusing (IEF) analysis) and by restriction fragment length polymorphism (RFLP). The effect of these isolates on the establishment of the ectomycorrhizal symbiosis between an Australian Acacia (A. holosericea) and Pisolithus sp. strain IR100 was studied. In the mycorrhizosphere soil, the population of fluorescent pseudomonads was represented by strains of two different siderovars (groups of bacterial strains presenting an identical pyoverdine–IEF pattern): siderovar 1 (74%) and siderovar 2 (26%). The siderotyping of the isolates around galls of the root-knot nematodes revealed three siderovars (40% from siderovar 1, 40% from siderovar 2 and about 15% from siderovar 3). RFLP of 16S rDNA divided the isolates into four different groups with MspI, two with HhaI and two with HaeIII endonucleases. The establishment of the ectomycorrhizal symbiosis with A. holosericea was promoted by 14 bacterial strains isolated from the mycorrhizosphere soil, three isolates from the roots and four from the galls. Shoot biomass of A. holosericea seedlings was stimulated by eight bacterial isolates from soil, six isolates from galls and seven from roots. These mycorrhiza helper bacteria could have a great ecological importance in tropical areas through the reforestation programs.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1574-695X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Amotile Burkholderia mallei and motile Burkholderia pseudomallei display a high similarity with regard to phenotype and clinical syndromes, glanders and melioidosis. The aim of this study was to establish a fast and reliable molecular method for identification and differentiation. Despite amotility, the gene of the filament forming flagellin (fliC) could be completely sequenced in two B. mallei strains. Only one mutation was identified discriminating between B. mallei and B. pseudomallei. A polymerase chain reaction-restriction fragment length polymorphism assay was designed making use of the absence of an Ava II recognition site in B. mallei. All seven B. mallei, 12 out of 15 B. pseudomallei and 36 closely related apathogenic Burkholderia thailandensis strains were identified correctly. However, in three B. pseudomallei strains a point mutation at gene position 798 (G to C) disrupted the Ava II site. Therefore, molecular systems based on the fliC sequence can be used for a reliable proof of strains of the three species but not for the differentiation of B. mallei and B. pseudomallei isolates.
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The erucic acid content of broccoli florets, sprouts, and seeds was found to be about 0.8, 320, and 12100 mg/100 g, respectively. Using the erucic acid limit established for canola oil in the U.S.A. and Canada as a guideline, the estimated dietary intake of erucic acid from florets and sprouts was considered of little consequence, whereas in seeds a relatively small amount (about 35 g/wk) equaled our calculated exposure limit for erucic acid. Additionally, the most complete fatty acid distribution yet published for the various forms of broccoli are presented.
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  • 9
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] The syndrome of congenital hypoparathyroidism, mental retardation, facial dysmorphism and extreme growth failure (HRD or Sanjad–Sakati syndrome; OMIM 241410) is an autosomal recessive disorder reported almost exclusively in Middle Eastern populations. A similar syndrome with the additional ...
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  • 10
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Familial hypomagnesemia with secondary hypocalcemia (OMIM 602014) is an autosomal recessive disease that results in electrolyte abnormalities shortly after birth. Affected individuals show severe hypomagnesemia and hypocalcemia, which lead to seizures and tetany. The disorder has been thought to be ...
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