نتایج جستجو برای: controlled drug delivery
تعداد نتایج: 1091004 فیلتر نتایج به سال:
Pulsatile systems are gaining a lot of interest as they deliver the drug at the right site of action at the right time and in the right amount, thus providing spatial and temporal delivery and increasing patient compliance. These systems are designed according to the circadian rhythm of the body. The principle rationale for the use of pulsatile release is for the drugs where a constant drug rel...
Objective(s): Development of an oral sustained-controlled release vehicle which, slowly releases the drug and maintains an effective drug concentration for a long time is aimed.Materials and Methods: A biodegradable magnetic polymeric drug delivery vehicle, using superparamagnetic iron oxide nanoparticles encapsulating by polyvinylpyrrolidone-block-polyethylene glycol-block-poly methacrylic aci...
Therapeutic drugs administered systematically are evenly distributed to the whole body through blood circulation and have to cross many biological barriers before reaching the pathological site. Conventional drug delivery may make drugs inactive or reduce their potency as they may be hydrolyzed or degraded enzymatically and are rapidly excreted through the urinary system resulting in suboptimal...
Topical and transdermal drug delivery systems are noninvasive and can be self-administered with the minimization of side-effects, have received increased attention during the past few years. Nanoemulsions, emulsions sized between 20-200 nm with narrow distributions, offer several advantages for topical and transdermal delivery of pharmaceutical agents including controlled droplet size, th...
delivery of exogenous materials such as nucleic acids, peptides, proteins, and drugs into cells is an important strategy in modern cellular and molecular biology. recently, the development of gene carriers for efficient gene transfer into cells has attracted a great attention. furthermore, lack of effective drug delivery is one of the major problems of cancer chemotherapy. many physical methods...
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