نتایج جستجو برای: unsaturated and poly
تعداد نتایج: 16849122 فیلتر نتایج به سال:
BACKGROUND Anorexia of ageing may predispose older adults to under-nutrition and protein energy malnutrition. Studies, however, report a large variation in nutrient inadequacies among community-dwelling older adults. SUMMARY This systematic review provides a comprehensive overview of the energy and macronutrient intakes and possible inadequacies in community-dwelling older adults. PubMed and ...
Dyslipidemia is an important risk factor for cardiovascular disease (CVD) and an important cause of death in adults. Long-term follow-up studies have demonstrated that dietary fat consumption in children and adolescent is one of these risk factors of dyslipidemia in adulthood. The purpose of the current study was to assess the dietary fat intake of Iranian adolescents and their relationship wit...
Identifying the causative relationship between the fatty acid composition of cell membranes and type 2 diabetes mellitus fundamentally contributes to the understanding of the basic pathophysiological mechanisms of the disease. Important outcomes of the reviewed studies appear to support the hypotheses that the flexibility of a membrane determined by the ratio of (poly)unsaturated to saturated f...
The aim of this research was to identify and isolate the fatty acids composition of Nerita textiles in intertidal area of Chabahar Bay, and also to explore the seasonal changes of fatty acid content in Nerita textiles. GC/MS resulted thirteen fatty acids, that saturated fatty acids (SFA) of palmitic acid (16:0) was the most abundant category of fatty acid obtained in total lipids. There were no...
poly methyl methacrylate (pmma) is the most common material used in prosthodontics. several studies indicate a breakdown of the number of very high resin bases after 2 to 3 years to avoid breaking bass and several attempts have been made, such as altering the chemical structure of resin by adding causes cross linking or copolymerization. the innovative method for improving the physical properti...
a fluid condition (characterized by loosely packed, freely diffusing, kinked, unsaturated glycerophospholipids) called the liquid-disordered (ld) phase, in which discrete domains are embedded in a liquid-like, more ordered state called the liquid-ordered (lo) phase. 1) It could be predicted that thermotropic transitions, if existing, either of ld or of lo phase are not detectable in cell membra...
The nanocomposites of poly (Acryl amide-co-Acrylic acid) with different contents of NaAzeolite were prepared using ammonium persulfate as an initiator and N, N′-methylenebisacrylamide as the crosslinker. The morphology was characterized by SEM and the structure ofnanocomposite materials was studied with XRD and FT-IR that showed the interaction betweenporous materials and poly (AAm-co-Aac). The...
here, we report analysis of in vitro and in vivo drug release from an in situ formulation consisting of triamcinolone acetonide (tr) and poly(d,l-lactide-co-glycolide) (plga) and the additives glycofurol and hydroxyapatite nanoparticles (ha). we found that these additives enhanced drug release rate. we used the taguchi method to predict optimum formulation variables to minimise the initial burs...
Background and Objectives: Rancimat is an automated technique to rapidly determine oxidative stability of fats and oils, which can also provide relatively good results regarding shelf-life prediction of the lipid system. In this research, the oxidative stability of different types of pistachio oil (wild and domesticated species) by using rancimat and the influences of chemical properties of p...
Background and Objective: Poly D,L-lactic-co-glycolic acid (PLGA) is known as biodegradable and biocompatible polymer. These polymers have recently received much attention in tissue engineering. The aim of this study was to investigate the biological behavior of the bone marrow stromal cells (BMSCs) in culturing with PLGA nanofibers coated with poly-L-lysine or gelatin. Materials and Methods: I...
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