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  • 1
    Electronic Resource
    Electronic Resource
    Isolated post-challenge hyperglycaemia confirmed as a risk factor for mortality (1999)
    Springer
    Diabetologia 42 (1999), S. 1050-1054 
    Details
    ISSN: 1432-0428
    Keywords: Keywords Type II diabetes ; mortality ; cardiovascular disease ; cancer ; population study ; post-challenge hyperglycaemia.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. The aim of this study was to examine the possible link between isolated post-challenge hyperglycaemia (2-h post-challenge plasma glucose ≥ 11.1 mmol/l, and fasting plasma glucose 〈 7.0 mmol/l) and mortality. Methods. The data from three population based longitudinal studies (in Mauritius, Fiji and Nauru) were pooled and mortality rates were determined in 9179 people who were followed for between 5 and 12 years. Results. There were 595 people with previously diagnosed diabetes, and 799 with newly diagnosed diabetes, of whom 243 (31) had isolated post-challenge hyperglycaemia. In comparison with people without diabetes, people with isolated post-challenge hyperglycaemia had an increased risk of all-cause mortality [Cox proportional hazards ratio (95 % CI): 2.7 (1.8–3.9) – men; 2.0 (1.3–3.3) – women], and of cardiovascular mortality [2.3 (1.2–4.2) – men; 2.6 (1.3–5.1) – women]. In addition, men with isolated post-challenge hyperglycaemia had a high risk of cancer death [8.0 (3.6–17.9)]. Conclusion/interpretation. These data show that isolated post-challenge hyperglycaemia, which can only be identified by the 2-h glucose, is common, and at least doubles the mortality risk. This should be considered in the design of screening programmes that use only fasting glucose [Diabetologia (1999) 42: 1050–1054]
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001250051269
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  • 2
    Electronic Resource
    Electronic Resource
    Scopolamine permation through human skin in vitro (1976)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 22 (1976), S. 828-832 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The sorption and rate of permeation of scopolamine base in human skin have been measured as a function of drug concentration in aqueous solution contacting the stratum corneum surface of the skin. The sorption isotherm is nonlinear, and the apparent penetrant diffusivity computed from steady state permeation data is greater than that estimated from unsteady state (time lag) measurements.By assuming that sorption occurs by both ordinary dissolution and binding of penetrant to immobile sites in the membrane, the experimental sorption isotherm can be predicted, and the disparity between steady state and time lag diffusivities can be reconciled.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690220503
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Drug permeation through human skin: Theory and invitro experimental measurement (1975)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 21 (1975), S. 985-996 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The penetration of drugs and other micromolecules through intact human skin can be regarded as a process of dissolution and molecular diffusion through a composite, multilayer membrane, whose principal barrier to transport is localized within the stratum corneum. A mathematical model of the stratum corneum as a two-phase protein-lipid heterogeneous membrane (in which the lipid phase is continuous) correlates the permeability of the membrane to a specific penetrant with the water solubility of the penetrant and with its lipid-protein partition coefficient.Experimentally measured permeabilities of human skin to a variety of drugs have been found to conform to this model. The extraordinarily low permeability of skin to most micromolecules appears to arise from the very low diffusivity of such molecules in the intercellular lipid phase.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690210522
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    Paper (German National Licenses)
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