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Sökning: WFRF:(Hamdan M) > (2011-2014)

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1.
  • Marisca-Arcas, M., et al. (författare)
  • Validation of questionnaires to estimate adherence to the Mediterranean diet and life habits in older individuals in Southern Spain
  • 2011
  • Ingår i: The Journal of Nutrition, Health & Aging. - : Springer. - 1279-7707 .- 1760-4788. ; 15:9, s. 739-743
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: The aim of the present study was to determine the nutritional behaviour of an elderly urban population in Southern Spain, estimating their degree of adherence to the Mediterranean.DIET DESIGN: A population-based cross-sectional nutritional survey, recruiting a representative sample of elderly inhabitants. The study sample comprised 260 people. The mean age was 73.60 yrs for the men and 72.25 yrs for the women. Around 70% lived with their family.RESULTS: The questionnaires used were first validated by using the Bland-Altman plot and the Wilcoxon test for paired samples. The degree of adherence to the Mediterranean Diet was around 50%, similar to findings in other Mediterranean populations. We highlight the mean consumption of milk and milk products (300-317 g/day) and of fruit/vegetables (250 g/day), which are slightly below recommendations. Our study subjects were all autonomous in their movements and were physically independent: 80% reported that they performed some type of physical activity.CONCLUSION: In this study, both adherence to the Mediterranean Diet and physical activity were considered as components of a healthy life. In summary, a majority of this elderly population was slightly overweight, considered themselves to be in good health.
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2.
  • Nejadnik, M. Reza, et al. (författare)
  • Self-healing Hybrid Nanocomposites consisting of Bisphosphonated Hyaluronan and Calcium Phosphate Nanoparticles
  • 2014
  • Ingår i: Biomaterials. - : Elsevier BV. - 0142-9612 .- 1878-5905. ; 35:25, s. 6918-6929
  • Tidskriftsartikel (refereegranskat)abstract
    • Non-covalent interactions are often regarded as insufficient to construct macroscopic materials of substantial integrity and cohesion. However, the low binding energy of such reversible interactions can be compensated by increasing their number to work in concert to create strong materials. Here we present the successful development of an injectable, cohesive nanocomposite hydrogel based on reversible bonds between calcium phosphate nanoparticles and bisphosphonate-functionalized hyaluronic acid. These nanocomposites display a capacity for self-healing as well as adhesiveness to mineral surfaces such as enamel and hydroxyapatite. Most importantly, these non-covalently cross-linked composites are surprisingly robust yet biodegradable upon extensive in vitro and in vivo testing and show bone interactive capacity evidenced by bone ingrowth into material remnants. The herein presented method provides a new methodology for constructing nanoscale composites for biomedical applications, which owe their integrity to reversible bonds.
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