نتایج جستجو برای: controlled drug delivery systems
تعداد نتایج: 2172589 فیلتر نتایج به سال:
BACKGROUND Drug delivery systems that are able to control the release of bioactive molecules and designed to carry drugs to target sites are of particular interest for tissue therapy. Moreover, systems comprising materials that can respond to environmental stimuli and promote self-assembly and higher order supramolecular organization are especially useful in the biomedical field. Objetive: This...
Recent pharmaceutical research has focused on controlled drug delivery having an advantage over conventional methods. Adequate controlled plasma drug levels, reduced side effects as well as improved patient compliance are some of the benefits that these systems may offer. Controlled delivery systems that can provide zero-order drug delivery have the potential for maximizing efficacy while minim...
Conventional drug delivery systems are known to provide an immediate release of drug, in which one can not control the release of the drug and can not maintain effective concentration at the target site for longer time. Controlled drug delivery systems offer spatial control over the drug release. Osmotic pumps are most promising systems for controlled drug delivery. These systems are used for b...
Colon specific drug delivery has gained increased importance not for the treatment of local diseases associated with the colon but also as potential site for systemic delivery of therapeutic proteins and peptides. Colon is a site where both local and systemic delivery of drug can take place. Treatment could be more effective if it is possible for drug to be directly to colon. Systemic side effe...
Designing of controlled-release drug delivery systems is a promising and rapidly developing line of pharmacology. The main advantage of using drug delivery systems is that drug concentration in a patient’s blood and/or tissues can be maintained at a target level for an extended time (Kost 2001). The principal requirement for fabricating prolonged-action controlled-release drug delivery systems ...
Using a mesoscale computational model, we probe the release of nanoparticles and linear macromolecules from hollow microgel capsules that swell and deswell in response to external stimuli. Our simulations reveal that responsive microcapsules can be effectively utilized for steady and pulsatile release of encapsulated solutes. Swollen gel capsules allow steady, diffusive release of nanoparticles...
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