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  • 11
    Electronic Resource
    Electronic Resource
    Hormonal Regulation and Age-Dependent Changes in mRNA Levels for Regulatory Subunits of cAMP-Dependent Protein Kinases in Rat Testis (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 513 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb25076.x
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  • 12
    Electronic Resource
    Electronic Resource
    Atomic scale study of local TiSi2/Si epitaxies (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 1820-1825 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The TiSi2/Si system is investigated using high-resolution transmission electron microscopy (HRTEM) and electron diffraction in both cross-section and flat-on modes. The results show that the large crystallographic differences between both crystals and the complexity of the reaction path are not obstacles to the formation of flat and well-defined interfaces. (1¯01) TiSi2 proves to be a preferential plane for epitaxial growth on Si (111). In this case, the terminal TiSi2 plane at the interface is composed of single atomic species. It is proposed that the reasons leading to such an epitaxy are related to the small discrepancy of atomic densities and interplanar spacings characteristic of these planes. Observation of local epitaxial relationships are reported and investigated using a lattice matching model. It turns out that they minimize the two-dimensional misfit at the interface.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.345609
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  • 13
    Electronic Resource
    Electronic Resource
    High mobility n-type charge carriers in large single crystals of anatase (TiO2) (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 75 (1994), S. 633-635 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Resistivity, thermopower, and Hall-effect measurements on large single crystals of the anatase form of TiO2 all indicate high mobility n-type carriers that are produced by thermal excitation from a density of ∼1018 cm−3 putatively present shallow donor states. The decrease of the mobility with increasing temperature is consistent with the scattering of carriers by the optical phonons of TiO2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.355801
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  • 14
    Electronic Resource
    Electronic Resource
    Previous maternal experience potentiates the effect of parturition on oxytocin receptor mRNA expression in the paraventricular nucleus (1999)
    Oxford, UK : Blackwell Science Ltd
    European journal of neuroscience 11 (1999), S. 0 
    Details
    ISSN: 1460-9568
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In sheep, central oxytocin release at parturition induces maternal behaviour which is thought to be mediated by changes in the expression of central oxytocin receptors. The distribution, effects of parturition, previous maternal experience and hormonal status on the distribution of an oxytocin receptor was investigated using immunocytochemistry and in situ hybridization. In ewes with no previous maternal experience, parturition induced significant increases in oxytocin receptor mRNA expression in the anterior olfactory nucleus, medial preoptic area, ventromedial hypothalamus, lateral septum, medial amygdala, bed nucleus of the stria terminalis and diagonal band of Broca. In maternally experienced ewes, parturition induced additional increases in two areas, the paraventricular nucleus and the Islands of Calleja. The changes in progesterone and oestrogen that occur during late pregnancy and parturition appear to contribute to increases in expression in the anterior olfactory nucleus, Islands of Calleja, medial preoptic area, ventromedial hypothalamus, bed nucleus of the stria terminalis and diagonal band of Broca, but not in the paraventricular nucleus, lateral septum and medial amygdala. These results demonstrate that progesterone and oestrogen priming enhance oxytocin receptor mRNA expression in a number of regions in the olfactory system, hypothalamus and limbic brain. These effects appear to be independent of maternal experience. Parturition increases oxytocin receptor mRNA expression in all the areas influenced by hormonal priming and the lateral septum, medial amygdala and paraventricular nucleus. Maternal experience also enhances expression of oxytocin receptor mRNA in the paraventricular nucleus and the Islands of Calleja. Because the paraventricular nucleus is the main source of oxytocin release in the brain, this upgrading of autoreceptors as a result of maternal experience may serve to enhance release of this peptide in projection sites regulating maternal behaviour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1460-9568.1999.00782.x
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  • 15
    Electronic Resource
    Electronic Resource
    Enthalpy and specific heat of meat and fish in the freezing range (1979)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 14 (1979), S. 0 
    Details
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Freezing time, weight loss and power demand can be calculated by equations in which the enthalpy gradient, namely, the specific heat requires to be expressed as a temperature function. Since the temperature at which freezing starts varies with the material of the food and its water content, the author has established equations for the freezing point tf of beef, pork, lamb and fish and its variation with their water contents. That temperature serves as the reference point θ= -t+tf= 0 of a unified temperature scale with enthalpy H= 0. The change of enthalpy in the freezing range can be divided into two sections. The first one, which covers the band from θ= 0 to θg= 6, is characterized by a steep enthalpy gradient which can be expressed by a linear change of the ratio θ/H with the temperature θ. The second section covers the range θ 〉 θg and is characterized by a small enthalpy gradient with the resulting functions H= Cθn and c=n(H/θ). The author has established equations for the numerical values of n and C for various meats and fish depending on their water contents and has produced diagrams of the specific heat in the low temperature range.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1979.tb00901.x
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  • 16
    Electronic Resource
    Electronic Resource
    The allergen of Ficus benjamina in house dust (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 25 (1995), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ficus benjamina, a member of the Moraceae family, is a tropical, non-flowering green plant which is widely used for ornamental purposes. It is an occupational allergen in plant keepers but sensitization is also increasingly found in non-occupationally exposed atopic and non-atopic patients. The allergen of Ficus benjamina is located in the plant sap, also-called latex. By radioallergosorbent test-(RAST)-inhibition studies allergen could also be demonstrated in the dust collected from the leaf surface and in dust samples from the floor of rooms where the plant was placed. These findings could result in more extensive preventive measures in patients sensitized to Ficus benjamina, In addition there is some evidence that possibly a crossreactivity between latex of Ficus benjamina and latex from the rubber tree Hevea brasiliensis, a member of the Euphorbiaceae family, may exist.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1995.tb01033.x
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  • 17
    Electronic Resource
    Electronic Resource
    Symptoms prevalence among office employees and associations to building characteristics (2003)
    Oxford, UK : Munksgaard International Publishers
    Indoor air 13 (2003), S. 0 
    Details
    ISSN: 1600-0668
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0668.2003.00190.x
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  • 18
    Electronic Resource
    Electronic Resource
    The effects of intervention with local electrostatic air cleaners on airborne dust and the health of office employees (2005)
    Oxford, UK : Munksgaard International Publishers
    Indoor air 15 (2005), S. 0 
    Details
    ISSN: 1600-0668
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0668.2005.00331.x
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  • 19
    Electronic Resource
    Electronic Resource
    TVOC and Health in Non-industrial Indoor Environments (1997)
    Oxford, UK : Munksgaard International Publishers
    Indoor air 7 (1997), S. 0 
    Details
    ISSN: 1600-0668
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Medicine
    Notes: Abstract The presence of Volatile Organic Compounds (VOC) in indoor air has in past decades often been associated with adverse health effects such as sensory irritation, odour and the more complex set of symptoms called the Sick Building Syndrome (SBS). More recently, a possible link between the increase in the prevalence of allergies throughout the industrialized areas of the world and exposure to elevated concentrations of VOCs has been suggested. In many cases, the total VOC (TVOC) is used as a measure of the concentration of air pollution and, by extension, as a measure of the health risk in non-industrial buildings. However, the TVOC concept has been questioned for a number of reasons, including the facts that it is an ambiguous concept, that individual VOCs making up the whole can be expected to give rise to different effects in people and that researchers have been using different definitions and interpretations of TVOC. This means that simple addition of the quantities of individual VOCs may not be relevant from a health point of view.Twelve researchers from the Nordic countries have reviewed the literature on VOC/TVOC and health. A search of the literature resulted in the identification of about 1100 articles, of which 120 were selected for further examination. A final review of the articles reduced their number to 67 that contained data on both exposure and health effects.The group concluded that indoor air pollution including VOC is most likely a cause of health effects and comfort problems in indoor environments in non-industrial buildings. However, the scientific literature is inconclusive with respect to TVOC as a risk index for health and comfort effects in buildings. Consequently, there is at present an inadequate scientific basis on which to establish limit values/guidelines for TVOC, both for air concentrations, and for emissions from building materials. The group concluded that continued research is required to establish a risk index for health and comfort effects for VOC in non-industrial buildings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0668.1997.t01-2-00002.x
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  • 20
    Electronic Resource
    Electronic Resource
    The influence of age and denture wear on the size of edentulous structures (2003)
    Oxford, UK : Blackwell Publishing Ltd.
    Gerodontology 20 (2003), S. 0 
    Details
    ISSN: 1741-2358
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Objectives: This study was designed to evaluate the influence of age and denture use on the size of arches and residual ridges in edentulous patients. Design: At two nursing homes, maxillary and mandibular stone casts of 302 fully edentulous patients were utilized to measure the size of the arches and residual ridges, according to age and use of complete dentures. Age cohorts were divided into three groups; 60–69, 70–79, and 80–89 years old. Two hundred and forty-nine denture wearers used complete dentures for at least 2 years before examinations. Fifty-three non-denture users had never worn removable prostheses. Chi-square analysis (p〈0.05) was used to establish the possible relations between the linear values and the size indexes of the ridges and arches and the two examined parameters: age and denture wear. Results: Young old patients possessed edentulous structures that were not significantly larger than elderly old patients in both the maxilla and the mandible. Non-denture users had significantly bigger arches and ridges in both edentulous jaws than denture users. Conclusions: Young old, non-denture users tended to have bigger residual edentulous tissues compared to elderly old patients who used complete dentures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1741-2358.2003.00100.x
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