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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing, Ltd.
    The @breast journal 11 (2005), S. 0 
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : Munksgaard International Publishers
    Journal of clinical periodontology 28 (2001), S. 0 
    ISSN: 1600-051X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Background, aims: The primary purpose of this study was to determine the association of salivary and gingival crevicular fluid (GCF) cotinine levels with periodontal disease status in smokers and non-smokers.Methods: 147 male smokers and 30 male non-smokers were included in the current longitudinal study. The 177 individuals were part of a group of 200 subjects (89%) seen 10 years previously for a baseline survey. Oral hygiene indices, probing depth and attachment loss were recorded. Salivary and GCF cotinine levels of 58 smokers were determined by means of ELISA.Results: Results indicated that no significant difference was found in subjects who smoked, when compared to subjects who did not smoke with respect to plaque accumulation and calculus deposits. Smokers, however, had fewer gingival bleeding sites. Cigarette smoking was associated with a greater increase in probing depth and attachment loss, as well as greater tooth loss at an earlier age. There was greater tooth loss in smokers than non-smokers (p〈0.001). 11 smokers became edentulous, while only 1 non-smoker lost all his teeth within 10 years. The degree of periodontal tissue breakdown was different in each age group with greater periodontal deterioration as age increased. All smokers had detectable salivary and GCF cotinine. Mean GCF cotinine was about 4× higher than mean salivary cotinine levels. Individuals who smoked 〈inlineGraphic alt="geqslant R: gt-or-equal, slanted" extraInfo="nonStandardEntity" href="urn:x-wiley:03036979:JCPE280407:ges" location="ges.gif"/〉20 pack years when compared to 〈20 pack years, had significantly higher saliva and GCF cotinine levels (p〈inlineGraphic alt="leqslant R: less-than-or-eq, slant" extraInfo="nonStandardEntity" href="urn:x-wiley:03036979:JCPE280407:les" location="les.gif"/〉0.05).Conclusion: Neither salivary cotinine nor GCF cotinine was significantly correlated with probing depth, attachment loss and tooth loss (p〉0.05).
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Community dentistry and oral epidemiology 25 (1997), S. 0 
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract This study describes the incidence of tooth loss over a 10–year period in a population of rural Chinese, initially aged between 20 and 80 years. Among the 587 persons who participated in a baseline examination in 1984, 440 persons were available for a follow-up study in 1994. A total of 31 persons, mainly aged 50+ years at baseline, had become completely edentulous. Between 45% and 96% of the persons lost at least one tooth, and the average number of teeth lost ranged between 1.0 and 7.2. The distribution of the number of teeth lost was skew, indicating that a minor group of subjects had a substantially higher risk of tooth loss than the majority. Logistic regression analysis identified six significant predictors of tooth loss among those who remained dentate: age, a high number of teeth with dentinal caries lesions, a high number of teeth with caries lesions of any type, presence of teeth with attachment loss 〈inlineGraphic alt="geqslant R: gt-or-equal, slanted" extraInfo="nonStandardEntity" href="urn:x-wiley:03015661:CDOE204:ges" location="ges.gif"/〉7 mm, presence of mobile teeth, and a low percentage of sites with subgingival calculus deposits. At the subject level, caries variables and periodontal disease variables seemed equally important predictors of the incidence of tooth loss over 10 years, but at the tooth level caries was a predominant cause of tooth loss in all age groups.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Community dentistry and oral epidemiology 25 (1997), S. 0 
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract This study describes some predictors of new and progressing destructive periodontal disease over a 10-year period in rural Chinese. A total of 398 persons aged 20–80 years, who had participated in a baseline survey of tooth mortality, dental caries and periodontal conditions and were still dentate 10 years later, were reexamined for the same parameters as assessed at baseline. Three different threshold values were used to define new and progressing destructive periodontal disease. Irrespective of the threshold used, most persons experienced new disease. Progressing disease was very prevalent when a 2+ mm disease definition was used, but occurred less frequently at the higher threshold levels. The logistic regression models for 2+ and 3+ mm disease were essentially similar, and showed that women, persons with 104 sites or more, and persons with 0–5% sites with 4+ mm attachment levels had a lower risk of disease progression as well as of new disease than did men, persons with few sites and persons with 6% sites or more with attachment levels 4+ mm. The variables sex, number of sites present, percentage of sites with 4+ mm attachment levels, and presence of mobile teeth were predictive for new disease using a 4+ mm definition. Age, percentage of sites with 4+ mm attachment levels and percentage of sites with 4+ mm pockets were predictive for progressing disease using the 4+ mm disease definition.
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Pty
    Clinical and experimental pharmacology and physiology 31 (2004), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. It has been demonstrated that the hydrodynamics-based procedure has high efficiency to deliver foreign genes into the liver. The widespread use of this procedure in gene function studies and as a treatment option for liver and other organ diseases puts considerable importance on the investigation of various conditions that affect hydrodynamics-based gene delivery into mouse liver in vivo.2. Various conditions, including the volume, speed and solution of the injection and the state, gender and strain of the animal were manipulated to evaluate their effect on the expression levels in mice of human factor IX (hFIX) 8 h after tail vein injection of the plasmid pCMV-hFIX.3. It was found that an injection volume of 2–2.5 mL and an injection speed of 5–7 s were very effective in delivering DNA into the mouse liver. Using Ringer's solution as an injection fluid increased the efficiency of hFIX expression.4. Anaesthetized mice expressed higher hFIX than conscious mice. Males expressed higher hFIX than females. The ICR mouse strain demonstrated higher expression of the foreign gene than did the C57 strain.5. The effects of these specific factors on hFIX expression may be caused by variations in hydrostatic pressure, the degree of liver damage and liver size.6. It can be concluded that there are optimal conditions for hFIX expression in the liver. This information may be helpful for the application of hydrodynamics-based procedures in the investigation of gene expression and gene therapy.
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  • 6
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Leukocytes enter sites of inflammation by squeezing through the borders between endothelial cells that line postcapillary venules at that site. This rapid process, called transendothelial migration (TEM) or diapedesis, is completed within 90 s after a leukocyte arrests on the endothelial ...
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  • 7
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. o1237-o1239 
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: In the title compound, C24H18N10O, the tetrazine ring adopts a boat conformation. The structure is stabilized by strong intramolecular and weak intermolecular N—H...N hydrogen bonds.
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. 1361-1362 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The title 4,6-O-benzylidene-α-D-glucopyranoside (systematic name: methyl 4-methoxy-2-oxo-8-phenyl-1,2,5a,6,9a,9b-hexahydro-4H,8H-7,9-dioxacyclopenta[c]chromene-3-carboxylate), C18H18O8, has been synthesized from the reaction of methyl 4,6-O-benzylidene-α-D-2-ketoglucopyranoside with diethyl or dimethyl malonate. The compound adopts a chair–chair conformation. The newly formed five-membered ring is fused to the glucopyranoside ring along the C2—C3 bond and is planar with an r.m.s. deviation of 0.0091 Å.
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Organometallic Chemistry 483 (1994), S. 139-146 
    ISSN: 0022-328X
    Keywords: Cyclometallation ; Ferrocene ; Imine ; Iron ; Palladium
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of clinical periodontology 22 (1995), S. 0 
    ISSN: 1600-051X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract If an etiological relationship exists between destructive periodontal disease and putative periodontopathogens, they would be expected to have a very low prevalence in periodontally healthy elderly persons. To test this hypothesis, 2 subgroups of elderly, rural Chinese (a periodontally “best” and a “worst” group, each comprising 15 persons) were identified in 1990 from a cohort aged 55–69 years, examined in 1984. Assessment of changes in periodontal status over the 6-year period were possible by comparing detailed clinical recordings performed by the same examinator. Subgingival microbial samples were taken at the mesial aspects of an upper central incisor and a lower canine and examined for the presence of Actinobacillus actinomycetemcomitans, Porphyromonas gingi-valis, Prevotella intermedia group, Prevotella melaninogenica group, Capnocyto-phaga, Selenomonas, Campylobacter rectus as well as predominant Streptococcus and Actinornyces species. During the 6 years prior to microbiological sampling, persons in the “best” group had lost an average of 1.21 ±0.48 mm attachment, while persons in the “worst” group had lost an average of 1.60±0.94 mm. The latter group had lost 53.3 teeth, predominantly for periodontal reasons, in contrast to 1.8 teeth lost in the “best” group. “Best” persons did not differ from “worst” persons with respect to the occurrence of the putative periopathog-ens, total viable count, and total streptococcal and Actinomyces recovery. Similarly, sites which had experienced an attachment loss 〈inlineGraphic alt="geqslant R: gt-or-equal, slanted" extraInfo="nonStandardEntity" href="urn:x-wiley:03036979:JCPE188:ges" location="ges.gif"/〉2 mm during the 6-year period did not differ microbiologically from sites with less attachment loss. It is concluded that subgingival microbial characterization does not allow for a distinction between elderly individuals with markedly different periodontal disease experiences.
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