نتایج جستجو برای: pluronic
تعداد نتایج: 1201 فیلتر نتایج به سال:
The morphology and stability of small unilamellar egg yolk phosphatidylcholine (EggPC) liposomes modified with the Pluronic copolymer (poly (oxyethylene)-poly (oxypropylene)-poly (oxyethylene) (PEO-PPO-PEO)) with different compositions on mica surface have been investigated using atomic force microscopy. Morphology studies reveal significant morphological changes of liposomes upon incorporating...
Photo-crosslinkable and biodegradable Pluronic/heparin composite hydrogels were fabricated for local and sustained delivery of basic fibroblast growth factor (bFGF) to induce angiogenesis. Terminally di-acrylated Pluronic F127 and vinyl group conjugated heparin were used as a mixed macromer precursor solution to prepare a photo-crosslinkable hydrogel. An aqueous solution containing the two macr...
The purpose of this study was to develop pluronic-based in situ gelling formulations of metronidazole (MTZ) for treatment of bacterial vaginosis, aimed at prolonging the residence time, controlling drug release, enhancing efficacy, decreasing recurrence, and increasing patient compliance. The in situ gel formulations were prepared using different concentrations of pluronic F-127 (PF-127) alone ...
The self-assembly of amphiphilic (porphyrin)Sn 1 in an aqueous Pluronic F127 media results in the formation of narrowly dispersed nanowires. Variation of aqueous Pluronic concentrations allows for a systematic variation of porphyrin nanowire lengths while keeping their widths constant. These nanowires can be further assembled into secondary macroscopic columns.
Calcium phosphates like hydroxyapatite (HA), beta-tricalcium phosphate (beta-TCP), and their mixtures (biphasic calcium phosphates; BCP) are used clinically to repair bone defects. These materials can be difficult to handle and have no inherent biological activity. Handling properties of other bone substitute materials have been improved by combining them with an inert carrier such as Pluronic ...
mesoporous mgo microstructures were synthesized using magnesium acetate tetrahydrate, ammonium oxalate monohydrate and pluronic f127 via heating at 40 °c for 24 h and subsequent calcination. the mesoporous structure of magnesium oxide with the specific surface area of 47m2/g, pore volume 0.30 cm3/g and the average pore size 24 nm is produced. according to xrd stu...
Previously we showed that some excipients can inhibit breast cancer resistance protein (BCRP/ABCG2) in vitro and in vivo. We then evaluated the reversibility and the mode of BCRP inhibition of excipients, such as Tween 20 and Pluronic P85, by the intracellular mitoxantrone uptake study. To evaluate the reversibility of BCRP inhibitory effects, BCRP expressing cells were preincubated with the ex...
Recently, breast cancer resistance protein (BCRP/ABCG2) has been shown to limit the oral absorption of its substrates in the intestine. The purpose of this study was to examine whether excipients can be used as inhibitors of BCRP, to improve the oral drug absorption of BCRP substrates. In wild-type mice, Pluronic P85 and Tween 20, given orally 15 min before topotecan administration, increased t...
We propose that one can deduce very insightful information regarding the drug and fatty acid binding capacity of microemulsions through simple turbidity experiments. Pluronic F127-based oil-in-water microemulsions of various compositions were synthesized and titrated to turbidity with concentrated amitriptyline, an antidepressant drug. We observed that, above certain Pluronic F127 concentration...
Primary tumor and tumor-associated metastatic lymphatics have emerged as new targets for anticancer therapy, given that these are difficult to treat using traditional chemotherapy. In this study, docetaxel-loaded Pluronic nanoparticles with Flamma (FPR-675, fluorescence molecular imaging dye; DTX/FPR-675 Pluronic NPs) were prepared using a temperature-induced phase transition for accurate detec...
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