نتایج جستجو برای: delivery systems
تعداد نتایج: 1346956 فیلتر نتایج به سال:
the objective of present research was to design, evaluate and compare drug release from two different dosage forms in pulsatile drug delivery system (dds) for metoprolol tartarate (mt) as tablet and capsule. 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 ...
Marketed New Drug Delivery Systems for Opioid Agonists/Antagonists Administration: A Rapid Overview
Novel drug delivery systems for controlled-release of opioid agonists as a long time painkillers or opioid antagonists for opium, heroin, and alcohol addiction are under development or in clinical use today. In this article, the field of “new drug delivery systems” is momentarily reviewed from the viewpoint of the marketed opioid agonists/antagonists dosage forms today.
conventional transdermal drug delivery systems (tdds) have been designed for drug delivery through the skin. these systems use the permeability property of stratum corneum, the outermost surface layer of the skin. applying polymeric micro and nanofibers in drug delivery has recently attracted great attention and the electrospinning technique is the preferred method for polymeric micro-nanofiber...
abstractgene therapy is a therapeutic approach to deliver genetic material into cells to alter their function in entire organism. one promising form of gene delivery system (dds) is liposomes. the success of liposome-mediated gene delivery is a multifactorial issue and well-designed liposomal systems might lead to optimized gene transfection particularly in vivo. liposomal gene delivery systems...
conclusions the results indicated that sod-loaded in sln was delivered into deep burned skin layer and induced high enzyme activity through the skin. low particle size, application of lecithin as surfactant and low crystallinity index (ci) percentage were important factors for increasing sod penetration through the burned rat skin. percentage of activity by sln dispersions through rat skin was ...
objective(s): nowadays hydrogels are one of the upcoming classes of polymer-based controlled-release drug delivery systems. temperature and ph-responsive delivery systems have drawn much attention because some diseases reveal themselves by a change in temperature and/or ph. the objective of this work is to prepare and characterize composite membrane using responsive nanoparticles into a polymer...
microspheres formulated from poly (d,l-lactic-co-glycolide) (plga), a biodegradable polymer, have been extensively evaluated as a drug delivery system. in this study, the preparation, characterization and drug release properties of the plga microspheres were evaluated. simvastatin (sim)-loaded plga microspheres were prepared by oil-in-water emulsion/solvent evaporation method. the microspheres ...
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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