[PDF] Top 20 Formulation, Optimization and Evaluation of Sustained Release Microspheres using Taguchi Design

... Prepared microspheres were filtered and washed with petroleum ...removed. Microspheres were lyophilized and stored till further use (Das and Das, 1998; Lee ... See full document

... The compatibility study between the drug and the polymer was done by I.R studies. No major peak shift was observed in the I.R graphs in major functional groups. Based on the compatibility studies obtained by I.R studies, ... See full document

... controlled release with the same ...of release from the dosage form ...the sustained action, sustained release, prolonged action, delayed action and timed release ...drug ... See full document

... to design and characterize the venlafaxine HCl-loaded sodium alginate- based mucoadhesive microcapsules by ionic gelation technique using HPMC K100M as mucoadhesive ...Placket-Burman Design was ... See full document

... that microspheres containing Chitosan (F1-F6) gave lower drug release than the microspheres containing only sodium Alginate ...the release of drug from the microspheres, as at ... See full document

... design. Optimization of pharmaceutical formulations involves choosing and combining ingredients that will result in a formulation whose attributes confirm with certain prerequisite ...new ... See full document

... (1:3)}, using a 22-gauge hypodermic syringe into an external ...factorial design was employed to study the effect of independent variables, polymer-to-drug ratio (X1) and stirring speed (X2), on dependent ... See full document

... controlled release system. The design of oral sustained drug delivery system should be aimed to achieve the more predictability and reproducibility to control the drug release, drug ... See full document

... floating microspheres formulation which shows high percentage of entrapment was in the range of ...188.6±0.01-245±0.62m. Formulation F showed relatively higher percentage of large size and ... See full document

... to design a sustained release drug delivery system in the form of microspheres for Eletriptan hydrobromide using Sodium alginate and in combination with natural polymers such as ... See full document

... The sustained release of drugs is still one of the main objectives of drug delivery systems, which are designed to achieve a prolonged therapeutic effect by continuously releasing the drug over a prolonged ... See full document

... for sustained release systems the oral route of administration has been investigated most because of flexibility in designing dosage ...controlled release drug delivery systems are for a maximum of ... See full document

... that Microspheres are characteristically free flowing powders consisting of proteins or synthetic polymers which are biodegradable in nature and ideally having a particle size less than 200 ...ina sustained ... See full document

... various formulation factors such as polymer proportion and effect of filler type on the in vitro release of the ...drug release is decreased as the concentration of polymer increased, drug ... See full document

... The microspheres prepared by o/w emulsification solvent evaporation method (before dissolution) was almost spherical with rough and porous surface, as shown below under different magnification ... See full document

... preparing sustained release ...of microspheres and other controlled-release ...slow release character using the spray drying method, using of lipophilic matrices is a ... See full document

... of release for all the formulations was found to be 58 to ...on release rate of the formulations was found to be decreasing with increasing the concentration of ...invitro release was shown in table ... See full document

... site. Microspheres are small spherical particles with diameter in the micrometer range (typically 1µm to 1000µm) and they are sometimes referred to as ...[5] Microspheres form an ideal carrier of drug ... See full document

... each formulation, the hardness and friability of 6 tablets were determined using the Monsanto hardness tester (Cad-mach, Ahmedabad, India) and the Roche friabilator (Camp- bell Electronics,Mumbai, India), ... See full document

... diseases and commonly seen in past middle age. [1] The genetic predisposition and acquisition of traditional risk factors at a rapid rate as a result of urbanization seems to be the major cause. Also, hypertensive heart ... See full document