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  • 1995-1999  (154)
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  • 1
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    Maternal care, hippocampal glucocorticoid receptors, and hypothalamic-pituitary-adrenal responses to stress (1997)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1997-09-12
    Description: Variations in maternal care affect the development of individual differences in neuroendocrine responses to stress in rats. As adults, the offspring of mothers that exhibited more licking and grooming of pups during the first 10 days of life showed reduced plasma adrenocorticotropic hormone and corticosterone responses to acute stress, increased hippocampal glucocorticoid receptor messenger RNA expression, enhanced glucocorticoid feedback sensitivity, and decreased levels of hypothalamic corticotropin-releasing hormone messenger RNA. Each measure was significantly correlated with the frequency of maternal licking and grooming (all r's 〉 -0.6). These findings suggest that maternal behavior serves to "program" hypothalamic-pituitary-adrenal responses to stress in the offspring.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, D -- Diorio, J -- Tannenbaum, B -- Caldji, C -- Francis, D -- Freedman, A -- Sharma, S -- Pearson, D -- Plotsky, P M -- Meaney, M J -- New York, N.Y. -- Science. 1997 Sep 12;277(5332):1659-62.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Developmental Neuroendocrinology Laboratory, Douglas Hospital Research Center, McGill University, Montreal, Canada H4H 1R3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9287218" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/blood ; Animals ; Animals, Newborn ; Corticosterone/blood/pharmacology ; Corticotropin-Releasing Hormone/genetics ; Feedback ; Female ; Gene Expression Regulation ; Grooming ; Handling (Psychology) ; Hippocampus/*physiology ; Hypothalamo-Hypophyseal System/*physiology ; *Maternal Behavior ; Pituitary-Adrenal System/*physiology ; RNA, Messenger/genetics/metabolism ; Rats ; Receptors, Glucocorticoid/genetics/*metabolism ; Stress, Physiological/*physiopathology
    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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  • 2
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    Response: complementary DNA for 12-kilodalton B cell growth factor: misassigned (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sharma, S -- Mehta, S -- Morgan, J -- Maizel, A -- New York, N.Y. -- Science. 1996 Oct 25;274(5287):631b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17759702" 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
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
    Electronic Resource
    Electronic Resource
    Global Optimisation of Time Domain Electromagnetic Data Using Very Fast Simulated Annealing (1999)
    Springer
    Pure and applied geophysics 155 (1999), S. 149-168 
    Details
    ISSN: 1420-9136
    Keywords: Key words: Global optimisation, simulated annealing, transient EM, multi-profile and multi-time channels.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract —Efficacy of the global optimisation technique is demonstrated in the inversion of time domain electromagnetic data. Transient EM responses observed using a coincident loops system along several profiles and different time channels over a plate like conducting body are inverted, using very fast simulated annealing (VFSA) as an optimisation tool. Three time channels for each profile are considered in the inversion. Study reveals that only one run of global inversion considering a single multi-channel profile is not enough to resolve all the nine model parameters of a plate-like conducting body. However, the global inversion of a single multi-channel profile with several runs yields a mean model that is quite close to the true model. Considering many profiles and time channels together in the global inversion can yield reliable estimates of all the parameters. Computationally, this is not an efficient procedure. Analysis of the results shows, however, that two distant profiles are enough to yield all the model parameters reliably, even after one run of the global inversion. Both noise-free and noisy synthetic data are used in the inversion. Finally, field data are also inverted to study the performance of the global inversion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s000240050259
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  • 4
    Electronic Resource
    Electronic Resource
    Effects of Decomposing Maize Litter on Community Level Physiological Profiles of Soil Bacteria (1998)
    Springer
    Microbial ecology 35 (1998), S. 301-310 
    Details
    ISSN: 1432-184X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Microbial biomass, basal respiration, and community level physiological profiles (CLPP) based on substrate utilization were studied during the decomposition of maize litter under different simulated soil management systems. Laboratory experiments were conducted on agricultural soil samples from Denmark, Germany, and Italy. Maize litter was either placed on soil surface (mulched) or mixed into soil (incorporated) to simulate two soil management types: tillage and no-tillage. Control samples lacking maize litter were also investigated. All soil samples were incubated at 14°C for 52 weeks. Microbial parameters were assessed after 2, 4, 8, 16, 32, and 52 weeks of incubation. During incubation, we found a significant decrease in microbial biomass C in the soils amended with litter. For all treatment types, there was a clear shift in the CLPP during decomposition; during incubation, the relative utilization of carbohydrates decreased and the usage of amino acids increased respectively. After 52 weeks of incubation, the CLPP from all treatment types were very similar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002489900085
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  • 5
    Electronic Resource
    Electronic Resource
    Average Alloy Model for Dumbbell Diffusion in a Random Alloy (1996)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 223-224 (July 1996), p. 171-174 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/02/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.223-224.171.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray diffraction studies of the proteolytically engineered C-terminal half of buffalo lactoferrin in its iron-saturated form (1997)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 53 (1997), S. 116-118 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The glycosylated functional monoferric C-terminal half (C lobe) (Mr ∼40 kDa) of buffalo lactoferrin has been produced by limited proteolysis using proteinase K. The iron-saturated C lobe has been crystallized by microdialysis. The crystals belong to the monoclinic system, space group P21 with unit-cell dimensions of a = 44.4, b = 152.3, c= 38.8 Å and β = 105.5°. There is one protein molecule of 40 kDa in the asymmetric unit. A data set at 2.8 Å has been collected on an imaging-plate scanner.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444996010591
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  • 7
    Electronic Resource
    Electronic Resource
    A Novel Pentacyclic Triterpene Acid from Adenocalymma alliaceum Leaves (1995)
    s.l. : American Chemical Society
    Journal of natural products 58 (1995), S. 1056-1058 
    Details
    ISSN: 1520-6025
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/np50121a010
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  • 8
    Electronic Resource
    Electronic Resource
    The rotationally resolved infrared spectrum of the ν1 stretch of the allyl radical (1998)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 109 (1998), S. 7803-7809 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Transient infrared (IR) laser spectroscopy near 3100 cm−1 was used to observe the ν1 and ν13 transitions of the allyl radical, with their band origins found to lie at 3113.9779(3) cm−1 and near 3110.5 cm−1, respectively. Detailed assignment and analysis of the ν1 transition identified over 1100 transitions, and yielded improved values for ΔK and ΦK ground state centrifugal distortion constants, as well as a new set of excited state (ν1=1) rotational and centrifugal distortion constants, in addition to determining the band origin. Transitions involving states with quantum number up to Ka=11 and N=27 were identified. Strong perturbations were found in the excited state, included global perturbations of the Ka′=3 branch, extensive perturbations in the Ka′=2 and 4 branches, and very localized perturbations in the Ka′=6 branch. The Ka′=9 and 10 branches also appear to be significantly perturbed. Possible sources for these perturbations are discussed. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.477426
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  • 9
    Electronic Resource
    Electronic Resource
    Solarization and natural heating of irrigated soil amended with cruciferous residues for improved control of Macrophomina phaseolina (1997)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Plant pathology 46 (1997), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The efficacy of summer irrigation and soil solarization combined with cruciferous residues was tested against the dry root rot pathogen Macrophomina phaseolina in an arid climate. In irrigated amended soil, polyethylene mulching during May increased the soil temperature to 57°C and 50°C at depths of 0–15 and 16–30 cm, respectively. As a result, within l5 days the population of M. phaseolina was almost eradicated (93–99%) at both soil depths. A considerable reduction (75–96%) was also achieved by natural heating of irrigated soil (46–53°C) for l5 days after amending with cruciferous residues. Mulching alone was only partially effective (69–89% reduction). These results suggest a new approach to controlling soil-borne pathogens in hot, arid regions by combining summer irrigation with soil amendment. Amendment with residues alone or in conjunction with soil solarization also increased the population of lytic bacteria against M. phaseolina.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.1997.d01-223.x
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of non-ionic nonylphenol surfactants on surface physicochemical properties, uptake and distribution of asulam and diflufenican (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 36 (1996), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The effect of non-ionic nonylphenol (NP) surfactants containing 4–14 ethylene oxide (EO) molecules on the distribution of asulam and diflufenican was investigated in Pteridium aquilinum L. Kuhn and Avena fatua L. The distribution of the herbicides was dependent on the EO content and concentration of surfactant and differed between plant species and herbicide. The surface properties of contact angle, droplet diameter and surface tension were examined. For solutions of asulam, the greatest reductions in contact angle, surface tension and greatest droplet diameter were obtained with surfactants of EO 6.5–10 (at 0.001–0.1%). For solutions of diflufenican, these responses were greatest when applied with surfactant of EO 4. Surfactants of EO 6.5–10 increased the uptake and translocation of [14C]asulam in P. aquilinum, particularly at surfactant concentrations of 0.01 % and 0.1 %. All surfactants increased uptake of [14C]asulam in A. fatua with no significant effects of surfactant EO number or concentration. For both species, there was a positive correlation between the optimum surface characteristics of the herbicide droplets and the uptake of asulam. With diflufenican, greatest uptake and translocation by mature frond tissue of P. aquilinum occurred at the highest concentration of surfactant EO 4; in A. fatua, however, uptake and translocation were not significantly affected by any of the surfactants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1996.tb01652.x
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