نتایج جستجو برای: extractant carrier properties
تعداد نتایج: 933878 فیلتر نتایج به سال:
Poly(vinyl chloride) (PVC) based polymer inclusion membranes (PIMs), with different concentrations of Cyphos® IL 104 as the membrane extractant/carrier, were studied for their ability to extract Au(III) from hydrochloric acid solutions. Some of the PIMs also contained one of the following plasticizers or modifiers: 2-nitrophenyloctyl ether, dioctylphthalate, 1-dodecanol, 1-tetradecanol, or tri(...
Introduction: Herbal Compound and their essential oils possess high antimicrobial, antioxidant, and anti-tumor properties, but conventional prescribing of them faces serious challenges. Liposomal nano-carrier is one of the common pharmaceutical strategies to overcome these challenges. In this study, slow-released liposomal system containing Mentha piperita’s essential oil was prepared in ...
Introduction. Leaves of peach ( Persica vulgaris ), containing a large amount biologically active substances, including flavonoids, are considered as promising plant source for producing extraction preparations. Aim. The purpose the study: to establish influence phytotechnological parameters efficiency isolation complex substances from leaves. Materials and methods. object study was samples dri...
It is well established that visual cortex neurons having similar selectivity for orientation, direction of motion, ocular dominance, and other properties of first-order (luminance-defined) stimuli are clustered into a columnar organization. However, the cortical architecture of neuronal responses to second-order (contrast/texture-defined) stimuli is poorly understood. A useful second-order stim...
Two hemicellulose fractions were obtained by extraction of one-monthold young bamboo (Phyllostachys pubescens Mazel). The fractionation procedure employed 2% NaOH as extractant, followed by filtration, acidification, precipitation, and washing with 70% ethanol solution. The total yield was 26.2%, based on the pentosan content in bamboo. The physicochemical properties were determined and sugar c...
Establishment of phosphate (P) retention and release capacity of soils is essential for effective nutrient management and environmental protection. In this experiment, we studied the influence of soil properties on P desorption and the relationship between phosphate sorption and desorption. Among the soil series, the Ghior soil had the highest percent clay (59.32%) and free iron oxide (15,241 m...
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