نتایج جستجو برای: tween 80
تعداد نتایج: 210729 فیلتر نتایج به سال:
Optimization based on appropriate parameters can be applied to improve a process. Mazut degradation as a critical issue in environment requires optimization to be efficiently done. To provide biodegradation conditions, experiments were designed on the least interactions among levels of parameters consisting of pH, Tween 80, glucose, phosphorous source, nitrogen source, and time. Kinetic constan...
Eutectic solvent can solubilize high amount of some therapeutic compounds. Volatile eutectic solvent is interesting to be used as solvent in the preparation of nanosuspension with emulsion solvent evaporation technique. The mechanism of transformation from the eutectic emulsion to nanosuspension was investigated in this study. The 30% w/w ibuprofen eutectic solution was used as the internal pha...
MacConkey agar modified with Tween 80, and deoxyribonuclease agar modified with Tween 80 plus sorbitol were used in differentiating Yersinia enterocolitica colonies from other lactose-negative bacterial colonies.
The influence of the surfactants of sodium lauryl sulfate (SLS) and Tween 80 on carbamazepine-nicotinamide (CBZ-NIC) cocrystal solubility and dissolution behaviour has been studied in this work. The solubility of the CBZ-NIC cocrystal was determined by measuring the eutectic concentrations of the drug and the coformer. Evolution of the intrinsic dissolution rate (IDR) of the CBZ-NIC cocrystal w...
The fraction in which direct contact occurs between micellar-phase phenanthrene and the bacterial cell surface was estimated by measuring the toxicity of nonionic surfactant (Tween 80 and Triton X-100) solutions to the phenanthrene-degrading bacterium, Pseudomonas putida P2. Cell viability of completely dissolved phenanthrene decreased by 30% at concentrations greater than 0.3 mg L(-1), which i...
در این پروژه, ابتدا دیاگرام فاز و منطقه ی پایدار ترمودینامیکی, برای سیستم های میکروامولسیونی (w/o) شامل سورفکتانت های aot و tween-80 و حلال استایرن تعیین شد. سپس نانوذرات نقره به روش میکروامولسیونی معکوس (w/o), در دمای 25 درجه ی سانتی گراد سنتز شد. به این منظور, محلول های میکروامولسیونی که از سورفکتانت های aot , tween-80 و فازهای پیوسته ی (حلال) استایرن و متیل متا کریلات و همچنین محلول آبی agno...
the available minoxidil formulations for topical application suffer with major drawback having less contact time with the scalp which requires repeated application. hence, the present study was aimed to investigate the effect of microemulsions and microemulsion based hydrogel systems (mehs) for increased percutaneous penetration of minoxidil. minoxidil microemulsions were developed by following...
Thermomyces lanouginosa lipase has been used to develop improved methods for carrier-free immobilization, the Cross-Linked Enzyme Aggregates (CLEAs), for its application in detergent products. An activator step has been introduced to the CLEAs preparation process with the addition of Tween 80 as activator molecule, in order to obtain a higher number of the individual lipase molecules in the ”op...
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