نتایج جستجو برای: pluronic based delivery systems
تعداد نتایج: 3863797 فیلتر نتایج به سال:
Background and Objectives: Rapamycin has been shown to inhibit the vascular smooth muscle cell migration and proliferation that contributes to neointimal formation. We investigated whether the perivascular delivery of rapamycin in Pluronic gel could inhibit neointimal hyperplasia in a rat carotid artery model, and we tested the usefulness of carotid arteriography. Materials and Methods: To asse...
Cationic polymers are one of the major nonviral gene delivery vectors investigated in the past decade. In this study, we synthesized several cationic copolymers using atom transfer radical polymerization (ATRP) for gene delivery vectors: pluronic F127-poly(dimethylaminoethyl methacrylate) (PF127-pDMAEMA), pluronic F127-poly (dimethylaminoethyl methacrylate-tert-butyl acrylate) (PF127-p(DMAEMA-t...
Subunit vaccines typically show insufficient immunogenicity. To address this issue, we developed a novel self-adjuvanting particulate carrier system based upon the lipids phytantriol (Phy) and mannide monooleate (MaMo). Phy is a lipid known to form nonlamellar phases in fully hydrated systems, whereas MaMo has been found to promote immune responses in emulsion form. A bulk phase composition of ...
An in vitro human percutaneous absorption study was conducted to assess the delivery of ketoprofen and testosterone from two base formulations, a Pluronic lecithin organogel and Pentravan Cream. Each formulation was applied to ex vivo human trunk skin (from three skin donors) on triplicate sections mounted onto Franz Diffusion Cells. Following a 5-mcL/cm2 applied dose, serial dermal receptor so...
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...
There is a growing interest in using hydrogels for biomedical applications, because of more favourable characteristics. Some of these hydrogels can be activated by using particular stimuli, for example electrical fields. These stimuli can change the hydrogel shape in a predefined way. It could make them capable of adaptation to patient-specific anatomy even post-implantation. This is the first ...
We have developed novel Pluronic/chitosan nanocapsules encapsulating iron oxide nanoparticles. These nanocapsules were produced by dispersing hydrophobically-modified iron oxide nanoparticles and amine-reactive Pluronic derivatives in an organic solvent, and subsequently emulsification in an aqueous chitosan solution by ultrasonication. The resultant shell cross-linked nanocapsules had a unique...
Infectious diseases caused by pathogenic microorganisms pose significant threats to public health globally. The emergence of antibiotic-resistant bacteria has further complicated the treatment these infections, necessitating exploration alternative therapeutic strategies. Among strategies, use hydrogels as delivery systems for delivering antimicrobial agents gained considerable attention. This ...
The development and design of the biocompatible and biodegradable thermodynamically stable micellar and microemulsion transparent dispersions to reduce the free and unbounded drugs concentration in the blood is a basic challenge in field of drug efficacy and bioavailability of drugs. In the current work, solubilization capacity of the drug (Tocopherol), oil (Ethyl Butyrate), and oil+drug (1:1 m...
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