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Transient up-regulation of P2 receptors influence differentiation of human mesenchymal stem cells
(2012)
Sicherheit im Fährverkehr
(2012)
In this work, preceramic papers containing 85 wt% Al2O3 were heat-treated at 1600 °C to obtain paper-derived ceramics. In order to increase the preceramic paper density prior to sintering, the papers were calendered at different roll temperatures and pressures. The influences of the calendering parameters on the microstructure and mechanical properties of the preceramic papers and the paper-derived ceramics were investigated. It was expected that especially the mechanical properties of the papers and derived ceramics would be improved by calendering.
People with type 2 Diabetes have an elevated risk for developing cardiovascular disease (CVD) for which dyslipidemia is the major contributor. Diabetic patients have characteristic pattern of dyslipidemia with decreased level of high density lipoprotein cholesterol (HDL-C) and elevated triglycerides (TG) level. However, in diabetes mellitus, low density lipoprotein cholesterol (LDL-C) which is used as one of the markers for the risk of CVD, is underestimated so in such cases the levels of non-High density lipoprotein cholesterol (non-HDL-C) can be a stronger predictor of CVD as it strongly correlates with atherogenic lipoproteins. Therefore, an attempt has been made to evaluate the level of non-HDL-C as a newer marker for the risk of cardiovascular disease and to fi nd out the pattern of dyslipidemia in diabetes mellitus. The present study comprised of 82 type 2 Diabetic cases and 81 non-diabetic controls. Among the diabetics, the majority of the subjects (61.0%) were HDL-C dyslipidemic. However, among the controls, the maximum numbers of individuals (40.7%) were TG dyslipidemic. Diabetics have signifi cantly elevated ratio of total cholesterol to high density lipoprotein cholesterol (TC/HDL-C) and the signifi cant increased levels of non-high density lipoprotein cholesterol (non-HDL-C) compared to controls which can be used as markers of dyslipidemia and can also be used to predict the risk of cardiovascular disease in type 2 Diabetes Mellitus.
One of the most common problems in Regenerative Medicine is the regeneration of damaged bone with the aim of repairing or replacing lost or damaged bone tissue by stimulating the natural regenerative process. Particularly in the fields of orthopedic, plastic, reconstructive, maxillofacial and craniofacial surgery there is need for successful methods to restore bone. From a regenerative point of view two different bone replacement problems can be distinguished: large bone defects and small bone defects. Currently, no perfect system exists for the treatment of large bone defects.
Nachhaltigkeitskonzepte sind kein selbstverständlicher Gegenstand der chemischen Hochschulausbildung. Der vorliegende Text fragt nach den Ursachen und zeigt anschließend Anschlussflächen für das Thema Nachhaltigkeit in der Chemieausbildung. Er stellt ein fachübergreifendes und zugleich fachbezogenes Konzept vor, welches Nachhaltigkeit zum Gegenstand für Chemiestudierende macht. Dieses ermöglicht den Studierenden einen subjektiv bedeutsamen Zugang zu den Fachinhalten. Es fördert Bewertungskompetenzen und Verantwortungsfähigkeit, schult die Sprachgewandtheit und erleichtert methodisch geführt die Reflexion auf Gegenstand und Selbstverständnis.