نتایج جستجو برای: controlled drug release system
تعداد نتایج: 3167043 فیلتر نتایج به سال:
objective(s): ketotifen fumarate (kf) is a selective and noncompetitive histamine antagonist (h1-receptor) that is used topically in the treatment of allergic conditions of rhinitis and conjunctivitis. the aim of this study was to formulate and improve an ophthalmic delivery system of kf.ocular nanoparticles were prepared with the objective of reducing the frequency of administration and obtain...
Chitosan with excellent biodegradable and biocompatible characteristics has received attention as an oral drug delivery vehicle for controlled-release formulations. In this study an enteric-coated capsule containing theophylline-chitosan beads based on 23 factorial designs was prepared as a colon drug delivery system. The theophylline-chitosan gel beads were formulated by adding the drug-contai...
the purpose of this study was to design and optimize an oral controlled release acyclovir mucoadhesive tablet, in term of its drug release and mucoadhesive strength. a 32 full factorial design was employed to study the effect of independent variables like carbopol-934p and hydroxypropyl methylcellulose k100m, which significantly influence characteristics like swelling index, ex-vivo mucoadhesiv...
pegylated polypropyleneimine (ppi) dendritic scaffold was used for the delivery of an anti-leukemic drug, imatinib. the current study evolves and emerges the use pegylated ppi dendritic scaffold for the delivery of this drug. in this imatinib was synthesized and loaded with pegylated ppi dendritic scaffold. parameters such as ft-ir, nmr, sem, drug release, dsc and hemolytictoxicity are required...
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 ...
Background and purpose: One of the methods of preparing controlled-release dosage forms is the incorporation of drug in a matrix containing a hydrophilic rate-controlling polymer. Drug-polymer ratio, drug particle size and HPMC particle size have been identified as modifiers of drug release. This study evaluated the relationship and influence of formulation factors such as drug-HPMC ratio and p...
Objective(s): Ketotifen fumarate (KF) is a selective and noncompetitive histamine antagonist (H1-receptor) that is used topically in the treatment of allergic conditions of rhinitis and conjunctivitis. The aim of this study was to formulate and improve an ophthalmic delivery system of KF.Ocular nanoparticles were prepared with the objective of reducing the frequency of administration and obtain...
PEGylated polypropyleneimine (PPI) dendritic scaffold was used for the delivery of an anti-leukemic drug, Imatinib. The current study evolves and emerges the use PEGylated PPI dendritic scaffold for the delivery of this drug. In this Imatinib was synthesized and loaded with PEGylated PPI dendritic scaffold. Parameters such as FT-IR, NMR, SEM, drug release, DSC and hemolytictoxicity are required...
PEGylated polypropyleneimine (PPI) dendritic scaffold was used for the delivery of an anti-leukemic drug, Imatinib. The current study evolves and emerges the use PEGylated PPI dendritic scaffold for the delivery of this drug. In this Imatinib was synthesized and loaded with PEGylated PPI dendritic scaffold. Parameters such as FT-IR, NMR, SEM, drug release, DSC and hemolytictoxicity are required...
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