[PDF] Top 20 Preparation and characterization of floating gellan-chitosan polyelectrolyte complex beads

... objective of the present investigation was to evaluate the potential of gellan gum- low molecular weight chitosan (GG-LMCH) polyelectrolyte complex (PEC) in the form of ... See full document

... The purpose of the present investigation was to prepare gellan-chitosan polyelectrolyte com- plex beads in one step and to explore the potential of the prepared beads in the oral deliver[r] ... See full document

... purpose of the present investigation is to study the effect of incorporation of gelucire 39/01 and 50/13 on encapsulation efficiency and release of water soluble drug ... See full document

... the preparation of concrete for construction ...mixture of limestone and clay, or other materials of similar composition and sufficient reactivity, at a temperature of ... See full document

... 4%, and 6% of catalyst mass were carried out (figure 6) and it is observed how the highest conversion rate is obtained with 4% ...decrease and the only reactions being observed are mainly ... See full document

... kidneys and is released into the blood stream wherever it stirs on a plasma globulin to supply ...conversion of angiotensin I to angiotensin ...II and enhanced plasma renin activity (PRA) ... See full document

... Thus, it could be concluded that the change in the hydrophilic balance and the resultant change in the modulation of swelling of the polymer may retard the drug release from polymer matr[r] ... See full document

... analysis of the obtained polymers were recorded from 50 to 180 ºC (heating rate = 10 ºC min -1 ) with a Mettler Toledo DSC822 ...weight and the volume of the sample in a volumetric tube by liquid ... See full document

... The drug release from the bees wax microspheres was found sufficient for oral delivery and the drug release profile was significantly affected by the properties of wax used in the prepar[r] ... See full document

... E-100, and stored. It was found that the higher the storage temperature and the higher the relative humidity and the higher the weight ratio of polymer in the mixture, the lower was the ... See full document

... Investigation of ammonia stressed Scots pitne (Pinus sylvestris) with computed tomography in an immission area around a cattle ...University of Florence, Italy; Ross RJ and Pellerin RF 1991 ... See full document

... This study revealed that the cross linked microcapsules of chitosan and chondroitin sulphate can be used to control drug release rate of water soluble drug..[r] ... See full document

... Treatment of in vitro data to mathematical model of different kinetic equations indicated that drug release from the microspheres was best characterized by the Korsmeyer-Peppas model. T[r] ... See full document

... A and B (Figure 5). Thus, the 5′- and 3′-non-coding regions of bcwcl1 were amplified from genomic DNA of ...2 and 3; replacement cassette ...descriptions of the vectors ... See full document

... scheme of the process that re- presents the synthesis of AuNPs from the reducing agent and the precursor salt to finally obtain gold at nanometric ...step of the process is the hydrolysis ... See full document

... KEY WORDS: Chitosan, Factorial design, Ionotropic gelation, Lovastatin, Oral drug delivery, Sustained release.. * Author to whom correspondence should be addressed.[r] ... See full document

... The effect of formulation variables such as molecular weight of outer rupturable coating layer, type and amount of swelling layer, weight gain of coating film and influence of paddle spe[r] ... See full document

... In this paper, polystyrene colloidal microspheres have been prepared using hexyl acrylate (HA), ethylhexyl acrylate (EHA), isooctyl acrylate (IOA), butyl acrylate (BA), or isobutyl acrylate (IBA) as comonomers. ... See full document

... In stability test, the release profile of the spherical agglomeration was almost unchanged as compared with the freshly pre- pared spherical agglomeration stored at 20 °C and 45 % relati[r] ... See full document

... Los materiales mesopororos ordenados de sílice fueron sintetizados por primera vez en 1969 y patentados por Mobil Oil Corporation en 1992 [98]. Su acrónimo significa Mobil Composition of Material (MCM). Consisten ... See full document