نتایج جستجو برای: sebacic acid
تعداد نتایج: 747453 فیلتر نتایج به سال:
Abstract There is growing interest in biodegradable and bio‐based materials that can replace conventional plastics applications such as packaging. Polymers based on 2,5‐furandicarboxylic acid (FDCA) have been proposed analogues for polymers terephthalic acid. However, they tend to be brittle, exhibit limited biodegradability, there are few examples of biocomposites from these polymers. Describe...
Dicarboxylic aciduria caused by enhanced or inhibited fatty acid metabolism is usually described as increased urinary excretion of saturated medium-chain dicarboxylic acids, such as adipic, suberic, and sebacic acids. Besides these saturated acids, increased excretion of unsaturated dicarboxylic acids is also observed. However, the structural identities of these unsaturated dicarboxylic acids a...
Copper therapy was applied to brindled mouse mutants, which suffer from lethal hypocupraemia, by using cuprous and cupric solutions. The method of treatment was a single subcutaneous injection of 50 microgram of copper at 7 days of age. Early effects of the dose were: prevention of the tremors and spasms seen in untreated mutants, raising to normal and near-normal of caeruloplasmin oxidase and ...
The metabolic conversion of dicarboxylic acids into succinate and other gluconeogenic intermediates in rat liver homogenates was investigated using [1,2,4-13C4]dodecanedioic acid as tracer. Isotope enrichments in 3-hydroxybutyrate, succinate, fumarate, and malate, as well as dicarboxylates (dodecanedioic, sebacic, suberic, and adipic acids) were measured with selected ion monitoring capillary c...
Biodegradable poly(ester amide) (PEA) biomaterials derived from α-amino acids, diols, and diacids are promising materials for biomedical applications such as tissue engineering and drug delivery because of their optimized properties and susceptibility for either hydrolytic or enzymatic degradation. The objective of this work was to synthesize and characterize biodegradable PEAs based on the α-a...
In this study, acrylated soybean oil (AESO) was used as modifying agent for DGEBF-type epoxy resin (ER). AESO was used as a co-matrix in 50 wt % with ER. Composites with ecofriendly natural fillers-banana bark and seashell were prepared. MNA was used as a hardener. Effect of banana peel (BP) and seashell (SSh) fillers on mechanical properties, such as tensile strength, elongation at break, and ...
High molecular weight biodegradable polyesters were prepared from sebacic acid, ethylene glycol and butylene glycol through a simple non-solvent polycondensation with a low toxicity catalyst. The successful synthesis of the polyesters was confirmed by gel permeation chromatography, (1)H-nuclear magnetic resonance and Fourier transform-infrared spectroscopies and differential scanning calorimetr...
A study was performed to examine the effect of a localized and sustained delivery of 5-fluorouracil (5-FU) on the success of glaucoma filtration surgery in 18 rabbits in a prospective, randomized, double-masked and placebo-controlled fashion. A bioerodible polyanhydride composed of bis (p-carboxyphenoxy) propane and sebacic acid was used as the drug carrier. The polymer and 5-FU (20% by weight)...
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