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  • 1
    Electronic Resource
    Electronic Resource
    Settling speeds of sewage sludge in seawater (1988)
    s.l. : American Chemical Society
    Environmental science & technology 22 (1988), S. 1201-1207 
    Details
    ISSN: 1520-5851
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/es00175a013
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  • 2
    Electronic Resource
    Electronic Resource
    Efficiency of energy delivery systems: II. Estimating energy costs of capital equipment (1979)
    Springer
    Environmental management 3 (1979), S. 505-510 
    Details
    ISSN: 1432-1009
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Procedures are developed and summarized that allow the calculation of the energy required to manufacture and install capital equipment, such as the material needed for a coalfired power plant. Three methods are available, each with certain strengths and weaknessess The first uses both literature value and national manufacturing statistics, the second uses a previously developed technique that disaggregates energy use according to how much each industry buys from all other industries, and the third technique is based on the average national relation between energy use and dollar flow. The most important differences between estimates of energy use by the different techniques relates to the inclusion or exclusion of labor and indirect expenditures rather than to differences in the data bases of the three techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01866319
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    Paper (German National Licenses)
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  • 3
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    Relationship of Parental Education, Race, and Gender to Sex Role Stereotyping in Five-Year-Old Kindergartners (1986)
    New York, N.Y. : Periodicals Archive Online (PAO)
    Sex Roles. 15:5/6 (1986:Sept.) 275 
    Details
    ISSN: 0360-0025
    Topics: Archaeology
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:v531-1986-015-05-000005
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  • 4
    Electronic Resource
    Electronic Resource
    Linear discriminant analysis of symptoms in patients with chronic constipation (2000)
    Springer
    Diseases of the colon & rectum 43 (2000), S. 1419-1426 
    Details
    ISSN: 1530-0358
    Keywords: Constipation ; Slow-transit constipation ; Rectal evacuatory disorder ; Symptom score
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The aim of this study was to devise a symptom scoring system to assist in diagnosing constipation and in discriminating among pathophysiologic subgroups. METHOD: A structured symptom scoring questionnaire (11 questions) was completed by 71 chronically constipated patients and by 20 asymptomatic controls. The symptom score was correlated with a previously validated constipation score (Cleveland Clinic Score). All patients underwent colonic transit studies, standard anorectal physiology testing, and evacuation proctography. On the basis of these investigations alone, an observer blinded to the questionnaire results allocated patients to one of three pathophysiologic subgroups: slow-transit constipation, rectal evacuatory disorder, or mixed (slow-transit constipation and rectal evacuatory disorder). Linear discriminant analysis was used to assess the ability of different questionnaire symptoms to discriminate among these subgroups. RESULTS: Total symptom score was strongly correlated with the Cleveland Clinic Score (r=0.9). The median total score in constipated patients was 20 (range, 11–35) compared with a median of 2 in controls (range, 0–6). Discriminant analysis using cross validation estimated that pathophysiology could be predicted correctly for 55 percent (95 percent confidence interval =43–67 percent) of patients using just five symptoms. The discriminant function rarely misclassified patients with rectal evacuatory disorder as slow-transit constipation andvice versa, but could not effectively discriminate between patients with single and mixed pathologies. CONCLUSION: This new scoring system is a valid technique to assist in the diagnosis of constipation and is the first study using appropriate statistical methodology to demonstrate a discriminatory ability of multiple symptoms in constipation. At present, symptom analysis does not adequately differentiate major pathophysiologic subgroups for use in clinical practice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02236639
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  • 5
    Electronic Resource
    Electronic Resource
    A β-turn mimic and a thiomethylene dipeptide surrogate employed in the study of cyclic peptide RGD and RCD cell-adhesion inhibitors (1996)
    Springer
    International journal of peptide research and therapeutics 3 (1996), S. 37-44 
    Details
    ISSN: 1573-3904
    Keywords: Integrins ; Fibronectin ; Vascular cell-adhesion molecule-1 ; VCAM-1 ; Pseudopeptide ; Peptidomimetic ; Anti-inflammatory agents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary During an inflammatory response, leukocytes adhere to the blood-vessel wall and to underlying extracellular matrix-protein fibronectin via noncovalent interaction through two distinct cell-surface integrins, α5β1 and α4β1. An Arg-Gly-Asp tripeptide in the cell-binding domain of fibronectin has been demonstrated to be the major site that mediates cell attachment. Our group has previously disclosed Arg-Gly-Asp- and Arg-Cys-Asp-containing cyclic peptide cell-adhesion inhibitors, which are potentially useful as anti-inflammatory agents, particularly in the treatment of asthma and rheumatoid arthritis. Subsequently, we have incorporated a β-turn dipeptide mimic and a suitably protected Arg-Gly thiomethylene dipeptide surrogate into our lead peptides by solid-phase synthesis. The preparation of the surrogates, and the structure-activity studies of the surrogate-containing peptides are described in this paper. Complete loss of cell-adhesion inhibition activity was observed in the case of incorporation of the conformationally constrained β-turn dipeptide into a cyclic Arg-Cys-Asp peptide inhibitor. Incorporation of an Arg-Gly thiomethylene dipeptide surrogate into cyclic Arg-Gly-Asp and Arg-Cys-Asp cyclic disulfide peptide inhibitors was tolerated, resulting in cyclic pseudopeptide cell-adhesion inhibitors lacking the Arg-Gly peptide amide bond.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00131084
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  • 6
    Electronic Resource
    Electronic Resource
    Relationship of parental education, race, and gender to sex role stereotyping in five-year-old kindergartners (1986)
    Springer
    Sex roles 15 (1986), S. 275-281 
    Details
    ISSN: 1573-2762
    Source: Springer Online Journal Archives 1860-2000
    Topics: Sociology
    Notes: Abstract This study examined the relationship of parental education, race, and gender to sex-role stereotyping in five-year-old kindergartners. A significant effect for race and parental education level was noted. White children gave more stereotyped responses than did black children, and children whose parents were in the middle- and high-educational levels gave more stereotyped responses than did children whose parents were in the low-educational level. A significant interaction was also found between educational level of parents and race. White children tended to give more stereotyped responses as the educational level of their parents increased; this trend was not evident for black children. No significant differences in stereotyping were noted between the sexes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288317
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  • 7
    Electronic Resource
    Electronic Resource
    Oxygen content of the fixative is important in the interpretation of the ultrastructure of ischaemic myocardium (1991)
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 17 (1991), S. 356-360 
    Details
    ISSN: 0741-0581
    Keywords: Myocytes ; Endothelium ; Mitochondria ; Swelling ; Membrane damage ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: Isolated rat hearts were subjected to 15, 45, or 60 minutes of global ischaemia and then fixed by perfusion at 37°C with glutaraldehyde containing various amounts of oxygen. This either had been bubbled with 100% oxygen (PO2 620 mm Hg) or with 100% nitrogen (PO2 40 mm Hg) immediately before use, or it had been routinely prepared and stored exposed to atmospheric oxygen (PO2 245 mm Hg). The ultrastructure of myocytes and endothelial cells subjected to 15 minutes of ischaemia was not affected by the treatment of the fixative. However, when the tissue subjected to longer periods of ischaemia was fixed with routinely prepared or oxygen-bubbled glutaraldehyde, ultrastructural changes characteristic of reoxygenation damage were uniformly evident in both the microvasculature and myocytes. These qualitatively distinct changes included mitochondrial swelling, cell swelling, endothelial bleb formation, and narrowing of capillary lumina. These abnormalities were not observed in tissue fixed with nitrogen-bubbled glutaraldehyde. These findings indicate that deliberate steps should be taken to reduce or eliminate dissolved oxygen from the fixatives used to study ischaemic tissues. Otherwise artefactual reoxygenation damage in vitro may occur and make valid ultrastructural interpretation difficult or impossible.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jemt.1060170310
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