Investigation of the release of aspirin from spray-congealed micro-pellets.

abstract：CONTEXT:Coated whey protein micro-beads may improve probiotic protection and provide delayed cell-release mechanisms. OBJECTIVE:Lactobacillus rhamnosus GG was encapsulated in whey protein micro-beads by droplet extrusion with coating via electrostatic deposition: primary-polysaccharide and secondary-whey protein. MAT...

journal_title：Journal of microencapsulation

authors： Doherty SB,Auty MA,Stanton C,Ross RP,Fitzgerald GF,Brodkorb A

更新日期：2012-01-01 00:00:00

abstract：:Low molecular weight heparin (LMWH)-loaded flexible liposomes (flexosomes) were formulated for transdermal delivery, and their physicochemical and pharmacokinetic parameters were compared with LMWH-loaded ethosomes. Flexosomes had similar particle size compared with ethosomes, but their deformability was higher than t...

journal_title：Journal of microencapsulation

authors： Song YK,Hyun SY,Kim HT,Kim CK,Oh JM

更新日期：2011-01-01 00:00:00

abstract：:The aim of this work was to investigate the role of HLB of emulsifier as well as volume of the internal aqueous phase (W(1)) and presence of salt in the external aqueous phase (W(2)) on the morphology, size and encapsulation efficiency of poly(D,L-lactide) microspheres containing naltrexone HCl. PLA microparticles con...

journal_title：Journal of microencapsulation

authors： Dinarvand R,Moghadam SH,Sheikhi A,Atyabi F

更新日期：2005-03-01 00:00:00

abstract：:The in vivo absorption of crystalline nitrofurantoin and the dosage forms of nitrofurantoin prepared with microcapsules were carried out in man by determination of urinary excretion of unchanged nitrofurantoin. The cumulative amount of drug excreted and the duration of the therapeutic urine levels were compared. The m...

journal_title：Journal of microencapsulation

authors： Ertan G,Karasulu E,Abou-Nada M,Tosun M,Ozer A

更新日期：1994-03-01 00:00:00

abstract：:Oil-containing polyterephthalamide microcapsules were synthesized by the interfacial polymerization of an oil-soluble monomer (terephthaloyl dichloride, TDC) and a mixture of two water-soluble monomers (diethylenetriamine, DETA, and 1, 6-hexamethylenediamine, HMDA). The influence of several synthesis parameters (e.g. ...

journal_title：Journal of microencapsulation

authors： Alexandridou S,Kiparissides C,Mange F,Foissy A

更新日期：2001-11-01 00:00:00

abstract：:Artificial chylomicron remnants were investigated as a new drug carrier system for the targeting of hepatic parenchymal cells. The emulsions presented here are similar in particle size and composition to natural lipoproteins. The preparations contained triolein, phospholipid, cholesterol and cholesteryl oleate. Egg yo...

journal_title：Journal of microencapsulation

authors： Vuaridel-Bonanomi ES,Weder HG

更新日期：1991-04-01 00:00:00

abstract：:Microspheres, including microcapsules and cells or beads, are widely used to produce many functional products. Information about their mechanical properties is essential to understanding their performance during manufacturing, processing and end-use applications. The mechanical characterization of microspheres require...

journal_title：Journal of microencapsulation

authors： Mercadé-Prieto R,Zhang Z

更新日期：2012-01-01 00:00:00

abstract：:Alginate bead containing calcium carbonate particle were prepared by dropping the suspension of alginate/calcium carbonate (4/1, w/w) into aqueous solution of CaCl(2) (0.1 M). The pH-dependent release property of the bead was observed for 12 h using blue dextran as a model drug. The release increased up to 4 h in a sa...

journal_title：Journal of microencapsulation

authors： Han MR,Kwon MC,Lee HY,Kim JC,Kim JD,Yoo SK,Sin IS,Kim SM

更新日期：2007-12-01 00:00:00

abstract：:To improve poor water solubility of cyclosporine A (CsA), hydroxypropyl-beta-cyclodextrin (HPβCD) was incorporated into the nanoparticle formulation. Solid complexes of CsA with HPβCD in different ratios were prepared by the kneading method. CsA containing alone or in combination with HPβCD in poly-lactide-co-glycolid...

journal_title：Journal of microencapsulation

authors： Aksungur P,Demirbilek M,Denkbaş EB,Unlü N

更新日期：2012-01-01 00:00:00

abstract：:The release of fluorescein from polyethylcyanoacrylate (PECA) or polyisobutylcyanoacrylate (PICA) nanoparticles was affected by the surfactants used for the preparation. The different surfactants also modified the molecular weight, size and loading of the nanoparticles. However, these factors were not be responsible f...

journal_title：Journal of microencapsulation

authors： Vandelli MA,Fresta M,Puglisi G,Forni F

更新日期：1994-09-01 00:00:00

abstract：:The influence of drug particle size on the production of enteric beads by a polymer precipitation technique was investigated. Drug particle dimensions are known to play an important role in most microencapsulation techniques. Bead morphology was greatly influenced by drug particle size, and spherical shaped beads coul...

journal_title：Journal of microencapsulation

authors： Cerdeira AM,Gouveia LF,Goucha P,Almeida AJ

更新日期：2000-11-01 00:00:00

abstract：:Microencapsulation of ketoprofen using Eudragit RS and RL (acrylic resins) was investigated based on the dispersion system of ketoprofen-containing acetone in liquid paraffin. Aluminium tristearate was used as an additive for the preparation of microcapsules. Good reproducibility was observed in the microencapsulation...

journal_title：Journal of microencapsulation

authors： Goto S,Kawata M,Nakamura M,Maekawa K,Aoyama T

更新日期：1986-10-01 00:00:00

abstract：:Microencapsulation is almost exclusively performed in batch processes. With today's chemistry increasingly performed in flow reactors, this work aims to realise a continuous reactor setup for the encapsulation of an ester with a polyuria (PU) shell. The generation of an emulsion template is performed in a recirculatio...

journal_title：Journal of microencapsulation

authors： Gobert SRL,Segers M,Luca S,Teixeira RFA,Kuhn S,Braeken L,Thomassen LCJ

更新日期：2019-06-01 00:00:00

abstract：:We studied a model system of controlled drug release using beta-carotene and κ-carrageenan/NaCMC hydrogel as a drug and a device, respectively. Different concentrations of genipin were added to crosslink the beta-carotene loaded beads by using the dripping method. Results have shown that the cross-linked beads possess...

journal_title：Journal of microencapsulation

authors： Hezaveh H,Muhamad II,Noshadi I,Shu Fen L,Ngadi N

更新日期：2012-01-01 00:00:00

abstract：:Acidic and basic nonsteroidal anti-inflammatory drugs were encapsulated with cellulose derivatives having different functional groups, acidic (carboxymethyl cellulose), basic (chitosan), and neutral (hydroxypropylmethyl cellulose). The properties of the microcapsules were studied and the interaction of the drugs with ...

journal_title：Journal of microencapsulation

authors： Meshali MM,el-Dien EZ,Omar SA,Luzzi LA

更新日期：1989-07-01 00:00:00

abstract：:A considerable effort has been spent in the past three decades to investigate various aspects of liposomes as novel drug delivery systems. In 1990, the first amphotericin B (AmB) liposomal preparation (L-AmB) under the brand name AmBisome was introduced into the market by Vestar. The successful marketing of the produc...

journal_title：Journal of microencapsulation

authors： Gulati M,Bajad S,Singh S,Ferdous AJ,Singh M

更新日期：1998-03-01 00:00:00

abstract：:Graft copolymer polyethylenimine-graft-poly(N-vinylpyrrolidone) (PEI-g-PVP) was prepared by coupling mono carboxyl-terminated PVP (PVP-COOH) with PEI using N,N'-dicyclohexylcarbodiimide (DCC) and N-hydroxysuccinimide (NHS) as coupling agents. In aqueous medium, PVP-g-PEI can self-assemble into stable polyion complex m...

journal_title：Journal of microencapsulation

authors： Yuan J,Luo Y,Gao Q

更新日期：2011-01-01 00:00:00

abstract：:Polylactic acid microcapsules containing randomly distributed hydrocortisone particles were prepared. The rate of release of hydrocortisone from the microcapsules in pH 7.4 phosphate buffer was found to be largely increased by the presence of polysorbate 80, cetylpyridinium chloride, or aerosol OT in the dissolution m...

journal_title：Journal of microencapsulation

authors： Leelarasamee N,Howard SA,Ma JK

更新日期：1988-01-01 00:00:00

abstract：:In this study microspheres of diclofenac sodium, an anti-inflammatory agent, were prepared by utilizing a natural polysaccharide, chitosan-H. The objective of this investigation was to sustain the action of diclofenac sodium and to show the effect of various conditions on release kinetics. For this reason factorial de...

journal_title：Journal of microencapsulation

authors： Açikgöz M,Kaş HS,Orman M,Hincal AA

更新日期：1996-03-01 00:00:00

abstract：:Abietic acid was isolated from rosin N Grade (ISI) by a simple process and the product was further standardized. Sulphadiazine microcapsules were prepared by the solvent evaporation technique, using abietic acid as a wall-forming material. Discrete, spherical and free-flowing microcapsules were obtained by phase separ...

journal_title：Journal of microencapsulation

authors： Puranik PK,Manekar NC,Dorle AK

更新日期：1992-10-01 00:00:00

abstract：:The microencapsulation of drugs is gaining importance in many research activities. A common technique for preparing microcapsules is the solvent evaporation method which is simple but has a large number of reaction control parameters. This study reports the microcapsulation of allopurinol by the solvent evaporation me...

journal_title：Journal of microencapsulation

authors： Arabi H,Hashemi SA,Fooladi M

更新日期：1996-09-01 00:00:00

abstract：:Ibuprofen-loaded polystyrene microparticles were prepared by the emulsion-solvent evaporation process from an aqueous system. The effects of different parameters on the drug content and on the release of the drug from the microparticles were investigated. The drug content, in all the formulations, was less than the th...

journal_title：Journal of microencapsulation

authors： Tamilvanan S,Sa B

更新日期：2000-01-01 00:00:00

abstract：:In the previous report, microencapsulation of lipase employing a (w/o)/w multiple phase emulsion technique, with 2:1 polystyrene (PS)-SBR mixture being used as a wall material, was proposed. Catalysis of the encapsulated enzyme was investigated, and the hydrolysis of triacetin (triglyceride of acetic acid) was success...

journal_title：Journal of microencapsulation

authors： Iso M,Shirahase T,Hanamura S,Urushiyama S,Omi S

更新日期：1989-07-01 00:00:00

abstract：:This paper describes a novel approach to prepare and characterize calcium-shellac spheres as a carrier of a tooth whitening agent carbamide peroxide. Calcium-shellac spheres were prepared using an extrusion technique based on dropping aqueous ammonium shellac solution into calcium chloride solution. The effects of for...

journal_title：Journal of microencapsulation

authors： Xue J,Zhang Z

更新日期：2008-12-01 00:00:00

abstract：:The present study describes the development of a new cyclosporine formulation based on polycaprolactone (PCL) microspheres (MS) prepared by the solvent evaporation method. Ternary phase diagrams were used to identify the domains where MS were formed. The application of central composite designs established the influen...

journal_title：Journal of microencapsulation

authors： Aberturas MR,Molpeceres J,Guzmán M,García F

更新日期：2002-01-01 00:00:00

abstract：:Optimum conditions for the preparation of non-magnetic and magnetic microspheres of albumin-globulin mix (alglomix) containing mefenamic acid have been standardized. The effect of various parameters has been investigated with regard to the appearance, yield, drug content and encapsulation efficiency. The physicochemic...

journal_title：Journal of microencapsulation

authors： Lalla JK,Ahuja PL

更新日期：1991-01-01 00:00:00

abstract：:Drug-free polylactic acid (PLA) microspheres were prepared by an emulsification-solvent evaporation technique using different types of protective colloids. The influence of five types of hydrophilic prolymers (polysaccharides, proteins, synthetic cellulose derivatives, synthetic nonionic polymers and surfactants) on t...

journal_title：Journal of microencapsulation

authors： Lin SY,Chen KS,Teng HH

更新日期：1998-05-01 00:00:00

abstract：:Sequential interpenetrating networks of poly(methacrylic acid) and poly(vinyl alcohol) have been prepared and cross-linked with glutaraldehyde to obtain pH sensitive microspheres by a water-in-oil emulsification method. Microspheres have been used to deliver the chosen model anti-inflammatory drug viz., ibuprofen to t...

journal_title：Journal of microencapsulation

authors： Mundargi RC,Patil SA,Kulkarni PV,Mallikarjuna NN,Aminabhavi TM

更新日期：2008-06-01 00:00:00

abstract：:The present research work was aimed at development and optimization of alginate mucoadhesive microspheres of carvedilol for nasal delivery to avoid first pass metabolism and to improve the therapeutic efficacy in the treatment of hypertension and angina pectoris. The microspheres were prepared by a water-in-oil (w/o) ...

journal_title：Journal of microencapsulation

authors： Patil SB,Sawant KK

更新日期：2009-08-01 00:00:00

abstract：:Documented to exhibit cytotoxicity and poor oral bioavailability, alpha-mangostin was encapsulated into PLGA microspheres with optimization of formulation using response surface methodology. Mixed levels of four factors Face central composite design was employed to evaluate critical formulation variables. With 30 runs...

journal_title：Journal of microencapsulation

authors： Elsaid Ali AA,Taher M,Mohamed F

更新日期：2013-01-01 00:00:00