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  • 1
    Electronic Resource
    Electronic Resource
    Heat of formation of gallium(I) tetrachlorogallate(III) and the chloride-gallium trichloride bond energy (1970)
    s.l. : American Chemical Society
    Inorganic chemistry 9 (1970), S. 86-90 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50083a017
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  • 2
    Electronic Resource
    Electronic Resource
    Interface properties of HgCdTe metal-insulator-semiconductor capacitors (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 265-267 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The conductance method has been used to measure the density of interface states of the ZnS/Hg0.775Cd0.225Te metal-insulator-semiconductor (MIS) system with three different HgCdTe surface treatments. It is found that the density of fast interface states increases from ∼1011 eV−1 cm−2 at the conduction-band minimum to ∼1013 eV−1 cm−2 near the valence-band maximum. In addition, the interface states located in the lower part of the band gap communicate with the valence band so efficiently that the effective band gap is reduced. Our observations explain why the p-type MIS photodiode is superior to the n-type version in terms of breakdown voltage and storage time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.100985
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  • 3
    Electronic Resource
    Electronic Resource
    Heat of dilution of some aqueous tetraalkylammonium fluorides (1967)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 71 (1967), S. 2149-2155 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100866a028
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  • 4
    Electronic Resource
    Electronic Resource
    The oral status of elderly removable partial denture wearers (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 20 (1993), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A random sample of 1019 elderly home dwelling persons participated in this study. There were 809 dentate respondents, 28.6% of whom wore removable partial dentures. They were examined for coronal and root caries, gingival recession, pocket depth and loss of gingival attachment. The removable partial dentures were also evaluated. Abutment teeth were found to be more likely to have caries and periodontal disease than all other teeth. Using a manova statistical procedure, the analysis indicated that the partial denture itself, irrespective of any professionally determined problems with the denture, appears to affect coronal and root caries on the teeth of partial denture wearers. Partial dentures judged to need repair or adjustment were related to periodontal status. The data on adverse effects of partial dentures suggest a need for patient education by the dentist and through public health measures, and good oral self care and regular professional recall for people who wear removable partial dentures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1993.tb01514.x
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  • 5
    Electronic Resource
    Electronic Resource
    University of North Carolina Caries Risk Assessment Study: comparisons of High Risk Prediction, Any Risk Prediction, and Any Risk Biologic models (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Community dentistry and oral epidemiology 20 (1992), S. 0 
    Details
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The purpose of this analysis is to compare three different statistical models for predicting children likely to he at risk of developing dental caries over a 3-yr period. Data are based on 4117 children who participated in the University of North Carolina Caries Risk Assessment Study, a longitudinal study conducted in the Aiken, South Carolina, and Portland. Maine areas. The three models differed with respect to either the types of variables included or the definition of disease outcome. The two “Prediction” models included both risk factor variables thought to cause dental caries and indicator variables that are associated with dental caries, but are not thought to be causal for the disease. The “Etiologic” model included only etiologic factors as variables. A dichotomous outcome measure – none or any 3-yr increment, was used in the “Any Risk Etiologic model” and the “Any Risk Prediction Model”. Another outcome, based on a gradient measure of disease, was used in the “High Risk Prediction Model”. The variables that are significant in these models vary across grades and sites, but are more consistent among the Etiologic model than the Predictor models. However, among the three sets of models, the Any Risk Prediction Models have the highest sensitivity and positive predictive values, whereas the High Risk Prediction Models have the highest specificity and negative predictive values. Considerations in determining model preference are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0528.1992.tb00690.x
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  • 6
    Electronic Resource
    Electronic Resource
    Inflammatory mediators of the terminal dentition in adult and early onset periodontitis (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 33 (1998), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Based upon the prosthodontic literature, subjects who are at the transition stage between natural dentition and edentulism are called “terminal dentition” (TD) cases. The aim of the present cross-sectional investigation was to characterize the local and systemic inflammatory responses in 2 groups of patients with terminal dentition periodontitis. Eight severe adult periodontitis terminal dentition (AP-TD) subjects and 8 early onset periodontitis terminal dentition (EOP-TD) subjects were entered into the study. Our purpose was to measure an extended battery of cytokines in the gingival crevicular fluid (GCF) and in lipopolysaccharide (LPS)-stimulated monocytic culture supernatants as well as gingival mononuclear cell messenger RNA (mRNA) transcripts determined from biopsy samples. Within the GCF there were 3 tiers (levels) of mediators based upon approximate 10-fold differences in concentration. The highest tier included prostaglandin E2 (PGE2), interleukin-1β (IL-1β) and interleukin-2 (IL-2), the intermediate tier included tumor necrosis factor alpha (TNFα) and interferon gamma (IFN-γ) and at the lowest concentration level were interleukin-4 (IL-4) and interleukin-6 (IL-6). Thus, the GCF analysis dearly indicated that in both AP-TD and EOP-TD groups the monocytic, i.e. IL-1β and PGE2 and Th1, i.e. IL-2 and IFN-γ, inflammatory mediator levels quantitatively dominated over the Th2 mediators, i.e. IL-4 and IL-6. LPS-stimulated monocytic release of IL-1β, PGE2 and TNFα was significantly elevated in both AP-TD and EOP-TD groups compared to those of a control group of 21 subjects with moderate to advanced adult periodontitis. The cytokine mRNA expression of isolated gingival mononuclear cells showed that in both the AP-TD and the EOP-TD groups Th1 and Th2 cytokines were expressed, with low levels of IL-4 and IL-12. In conclusion, our data suggest that this cross-sectional TD periodontitis model may reflect progressive periodontal disease associated with tooth loss. Furthermore, although Th1 cytokine levels in the GCF dominate over the Th2 response, monocytic activation provides the main source of proinflammatory mediators. In addition, LPS-stimulated peripheral blood monocytes demonstrate an upregulated inflammatory mediator secretion in the terminal dentition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1998.tb02193.x
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  • 7
    Electronic Resource
    Electronic Resource
    Inflammatory mediators of the terminal dentition in adult and early onset periodontitis (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 33 (1998), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Based upon the prosthodontic literature, subjects who are at the transition stage between natural dentition and edentulism are called “terminal dentition” (TD) cases. The aim of the present cross-sectional investigation was to characterize the local and systemic inflammatory responses in 2 groups of patients with terminal dentition periodontitis. Eight severe adult periodontitis terminal dentition (AP-TD) subjects and 8 early onset periodontitis terminal dentition (EOP-TD) subjects were entered into the study. Our purpose was to measure an extended battery of cytokines in the gingival crevicular fluid (GCF) and in lipopolysaccharide (LPS)-stimulated monocytic culture supernatants as well as gingival mononuclear cell messenger RNA (mRNA) transcripts determined from biopsy samples. Within the GCF there were 3 tiers (levels) of mediators based upon approximate 10-fold differences in concentration. The highest tier included prostaglandin E2 (PGE2), interleukin-1/β (IL-1/β) and interleukin-2 (IL-2), the intermediate tier included tumor necrosis factor alpha (TNFα) and interferon gamma (IFN) and at the lowest concentration level were interleukin-4 (IL-4) and interleukin-6 (IL-6). Thus, the GCF analysis clearly indicated that in both AP-TD and EOP-TD groups the monocytic, i.e. IL-l/β and PGE2 and Thl, i.e. IL-2 and IFN-, inflammatory mediator levels quantitatively dominated over the Th2 mediators, i.e. IL-4 and IL-6. LPS-stimulated monocytic release of IL-1/β, PGE2 and TNFα was significantly elevated in both AP-TD and EOP-TD groups compared to those of a control group of 21 subjects with moderate to advanced adult periodontitis. The cytokine mRNA expression of isolated gingival mononuclear cells showed that in both the AP-TD and the EOP-TD groups Thl and Th2 cytokines were expressed, with low levels of IL-4 and IL-12. In conclusion, our data suggest that this cross-sectional TD periodontitis model may reflect progressive periodontal disease associated with tooth loss. Furthermore, although Thl cytokine levels in the GCF dominate over the Th2 response, monocytic activation provides the main source of proinflammatory mediators. In addition, LPS-stimulated peripheral blood monocytes demonstrate an upregulated inflammatory mediator secretion in the terminal dentition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1998.tb02313.x
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  • 8
    Electronic Resource
    Electronic Resource
    Characteristics of older adults experiencing periodontal attachment loss as gingival recession or probing depth (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 29 (1994), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: While attachment loss currently is the best field examination indicator that periodontal disease has progressed, this measure is not disaggregated enough to differentiate between attachment loss that results in deeper pockets and attachment loss that results primarily in recession of the gingiva. If these two conditions have different etiologies, then efforts at predicting who will experience the condition from a single, general risk assessment model will be difficult. The purpose of this paper is to determine whether the characteristics of people who experience attachment loss primarily as increased probing depths are different from those people who experience attachment loss primarily as gingival recession. Baseline and 18-month follow-up periodontal measures were gathered on a representative sample of community-dwelling adults aged 65+. Based on measurement errors obtained one week apart on a reliability subsample, a threshold level of 3+mm was set to define attachment loss. Attachment loss was further characterized as resulting from mostly increased probing depth or from mostly increased gingival recession. In mesio-buccal sites, 58% of the people had attachment loss mostly due to increased probing depth with 42% having attachment loss mostly due to gingival recession. For buccal sites, the figures were 24% and 76% respectively. The logistic regression models for both sites indicated that people who had their attachment loss in the form of increased probing depths had different characteristics than people who had most of their attachment loss in the form of gingival recession. These epidemiologic data indicate that different processes may be involved in people who experience attachment loss due to deeper probing depths as compared to people whose attachment loss is due more to gingival recession and not separating the two types of attachment loss may be a reason for inacuracies in risk prediction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1994.tb01224.x
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  • 9
    Electronic Resource
    Electronic Resource
    Vergleichende Untersuchungen der Hexosaminidase P im Serum schwangerer Frauen und der Hexosaminidase I2 aus dem Serum leukämiekranker Kinder (1987)
    Springer
    Journal of molecular medicine 65 (1987), S. 373-375 
    Details
    ISSN: 1432-1440
    Keywords: Hexosaminidase ; Leukemia, childhood ; Serum ; Isoenzyme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Hexosaminidase isoenzymes P from serum of pregnant women and I2 from serum of leukemic children were compared using various biochemical methods, namely, ion exchange chromatography, isoelectric focusing, and molecular weight determination by gel filtration. Isoenzyme I2 is activated by calcium, magnesium, and manganese. The molecular weight of isoenzyme I2 was 110 000 compared to 130 000 of isoenzyme P. The widely differing molecular weights exclude the so far suggested identity of both enzymes. Both isoenzyme P and isoenzyme I2 possessβ-chains, however, they differ in chain structure and glycosylation. This different structure of isoenzyme P may be one of the reasons for its increase during pregnancy due to the resulting impaired clearance by liver sinusoidal cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01745576
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  • 10
    Electronic Resource
    Electronic Resource
    Wachstum von Kindern in Remission nach Medulloblastomtherapie Analyse der 2-Jahres-Daten unter Therapie mit Wachstumshormon*,** (1998)
    Springer
    Monatsschrift Kinderheilkunde 146 (1998), S. 476-480 
    Details
    ISSN: 1433-0474
    Keywords: Schlüsselwörter Kinder ; Kleinwuchs ; Medulloblastomtherapie ; Spätfolgen ; Wachstumshormontherapie ; Key words Children ; Growth hormone therapy ; Late effects ; Medulloblastomatherapy ; Short stature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Aim: Growth hormone deficiency is a major long-term side effect of therapy in children with medulloblastoma. The aim of our analysis was to find out if growth hormone therapy is as effective in children after medulloblastoma therapy as in children treated for idiopathic growth hormone deficiency. Methods: We analysed 2 years auxological data of 6 children after medulloblastoma therapy who were in remission for at least 2 years. The data were compared to those of 8 children with idiopathic growth hormone deficiency. Results: Growth velocity (cm/year) in the medulloblastoma group improved significantly from 3.8 (before therapy start) to 8.4 (1. year) and to 7.4 (2. year). The height standard deviation score for chronological age improved from −2.9 at start to −2.0 after 2 years treatment. Conclusion: After 2 years growth hormone treatment growth was as a good in patients after medulloblastoma therapy as in patients treated for idiopathic growth hormone deficiency.
    Notes: Zusammenfassung Fragestellung: Eine der wichtigsten Langzeitnebenwirkungen der Medulloblastomtherapie bei Kindern ist ein Wachstumshormonmangel. Es stellt sich die Frage, ob eine Wachstumshormontherapie bei Medulloblastompatienten genauso effektiv ist wie bei Kindern mit idiopathischem Wachstumshormonmangel. Methode: Wir analysierten die 2 Jahres-Wachstumsdaten von 6 Medulloblastomkindern, die mindestens 2 Jahre in Remission waren und verglichen sie mit den Daten von 8 Kindern mit idiopathischem Wachstumshormonmangel. Ergebnisse: Nach Beginn der Wachstumshormontherapie verbesserte sich die Wachstumsgeschwindigkeit (cm/Jahr) bei den Medulloblastompatienten von 3,8 signifikant auf 8,4 (1. Jahr) und 7,4 im 2. Therapiejahr. Die Abweichung der Körperhöhe von der Norm (SDS) in Relation zum chronologischen Alter verbesserte sich von −2,9 (Start) auf −2,0 (2 Jahre). Schlußfolgerung: Bei der Analyse der 2-Jahres-Daten zeigte sich in der Medulloblastomgruppe ein ebenso gutes Wachstum unter Wachstumshormon wie in der Gruppe mit idiopathischem Wachstumshormonmangel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001120050288
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