Preparation of magnetic and pH-responsive chitosan microcapsules via sonochemical method.

abstract：:Drug release from gelatin/poly(acrylic acid) oxprenolol-loaded microspheres has been evaluated using an in situ sink immersion method and a wetting method. The kinetics of drug release were analysed by applying the empirical exponential equation and by the calculation of the approximate contribution of the diffusional...

journal_title：Journal of microencapsulation

authors： Leucuta SE,Ponchel G,Duchêne D

更新日期：1997-07-01 00:00:00

abstract：:The sustained delivery of multiple agents to the lung offers potential benefits to patients. This study explores the preparation of highly respirable dual-loaded spray-dried double emulsions. Spray-dried powders were produced from water-in-oil-in-water (w/o/w) double emulsions, containing salbutamol sulphate and/or be...

journal_title：Journal of microencapsulation

authors： Learoyd TP,Burrows JL,French E,Seville PC

更新日期：2010-01-01 00:00:00

abstract：:Anal fissure is common and painful disease of anorectum. In this study, microparticles containing nifedipine and lidocaine HCl were prepared by spray drying and applied to bio-degradable and bio-stable tampons. Characterization of microparticles was determined by visual analyses, mass yield, particle size measurement,...

journal_title：Journal of microencapsulation

authors： Sarıışık AM,Karavana SY,Türkoğlu GC,Rençber S,Önder T

更新日期：2017-12-01 00:00:00

abstract：:The entrapment of clofazimine (CLO) in a liposomal delivery system for topical application can protect it from absorption into the blood circulation and increase its residence time within the skin. This may reduce the very long mean period of leprosy treatment, as well as the side effects due to the long term administ...

journal_title：Journal of microencapsulation

authors： Patel VB,Misra AN

更新日期：1999-05-01 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：:Microparticles with different essential oil concentrations 0, 75, 150, 225 and 300 gkg-1, (g of essential oil per kg of microparticles), were produced by dispersing the essential oils within a hydrogenated vegetable fat matrix and forming spherical solid particles by spray-chilling. Size distribution, flowability, sur...

journal_title：Journal of microencapsulation

authors： Gottschalk P,Brodesser B,Poncelet D,Jaeger H,Rennhofer H,Cole S

更新日期：2018-09-01 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：:This study aims to formulate a microparticle-based system that protects the protein from the harsh gastric conditions and also provides appropriate uptake via M cells for desired immune response upon oral administration. The formulation was derived using a valid statistical model, analysed by JMP® (SAS). The average s...

journal_title：Journal of microencapsulation

authors： Chablani L,Tawde SA,D'Souza MJ

更新日期：2012-01-01 00:00:00

abstract：:Nanoencapsulation by spray drying was performed to protect and preserve antioxidant rich dietary polyphenols from green coffee beans. Nano-encapsulation of green coffee was done using maltodextrin as wall material. The nanoparticles were further characterised by zetasizer, differential scanning colorimetry, X-ray diff...

journal_title：Journal of microencapsulation

authors： Desai NM,Gilbert Stanley J,Murthy PS

更新日期：2020-01-01 00:00:00

abstract：:Indomethacin-loaded dietheylaminoethyl trisacryl microspheres (DEAE-MS), originally designed for therapeutic embolization, were encapsulated using two methods: coacervation and solvent evaporation/extraction. This encapsulation was achieved using a biocompatible polymer, the PLGA 50 : 50, and aimed to control the rele...

journal_title：Journal of microencapsulation

authors： Madani F,Chaumeil JC

更新日期：2008-03-01 00:00:00

abstract：:One of the main challenges in radiation oncology is to overcome the resistance of cancer cells against treatment by molecular targeted approaches. Among the most promising targets is the inhibitor of apoptosis protein survivin, known to be associated with increased tumour aggressiveness and therapy resistance. The obj...

journal_title：Journal of microencapsulation

authors： Gaca S,Reichert S,Rödel C,Rödel F,Kreuter J

更新日期：2012-01-01 00:00:00

abstract：:This study optimized and evaluated the conditions for surface coating of microspheres using a spray-dryer. Four formulations of Bromophenol blue (BPB)-loaded albumin microspheres were prepared using a spray-dryer, cross-linked at different concentrations and time periods. One of the optimized formulations with the des...

journal_title：Journal of microencapsulation

authors： Bejugam NK,Uddin AN,Gayakwad SG,D'Souza MJ

更新日期：2008-12-01 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：:This article describes the physicochemical properties of chitosan-coated liposomes containing skin-protecting agents, coenzyme Q10 and alpha-lipoic acid (CCAL). CCAL had a spherical shell-core structure and liposomes inverted the surface charge from negative to positive after coating with chitosan. Compared with the u...

journal_title：Journal of microencapsulation

authors： Zhao GD,Sun R,Ni SL,Xia Q

更新日期：2015-01-01 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

abstract：:The body distribution of surfactant-coated and non-coated poly(methyl methacrylate) nanoparticles with a size of 131 +/- 30 nm after intravenous injection into rats was investigated. The coating materials were poloxamine 904, poloxamine 908, poloxamine 1508, poloxamer 338, and Brij 35. These materials were preselected...

journal_title：Journal of microencapsulation

authors： Tröster SD,Kreuter J

更新日期：1992-01-01 00:00:00

abstract：:Multilamellar liposomes incorporating essential oil of Brazilian cherry (Eugenia uniflora L.) leaves were produced by dry film hydration. Gas chromatography demonstrated the compounds found in the essential oil were effectively incorporated in the aqueous dispersions of liposomes. Differential scanning calorimetry ana...

journal_title：Journal of microencapsulation

authors： Yoshida PA,Yokota D,Foglio MA,Rodrigues RA,Pinho SC

更新日期：2010-01-01 00:00:00

abstract：:The purpose of this study was the preparation, optimisation and in vitro characterisation of PHBV and PLGA blend nanoparticles (NPs) for prolonged delivery of Teriparatide. Double emulsion solvent evaporation technique was employed for the fabrication of NPs. The nanoformulation was optimised using the Box-Behnken met...

journal_title：Journal of microencapsulation

authors： Bahari Javan N,Rezaie Shirmard L,Jafary Omid N,Akbari Javar H,Rafiee Tehrani M,Abedin Dorkoosh F

更新日期：2016-08-01 00:00:00

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：:In this study, recombinant human interleukin-2 (rhIL-2) containing poly(lactic-co-glycolic acid) (PLGA) microparticles were prepared for pulmonary administration by modified w/o/w double emulsion solvent extraction method and the effects of various formulation parameters on the physicochemical properties of the microp...

journal_title：Journal of microencapsulation

authors： Devrim B,Bozkir A,Canefe K

更新日期：2011-01-01 00:00:00

abstract：:Polyisohexylcyanoacrylate nanocapsules containing cyclosporin were prepared by mixing in a 1:2 ratio an oil/ethanol solution of monomer and drug with an aqueous phase. Drug nanoencapsulation rate was controlled by its partition coefficient between the inner (organic) and outer (aqueous) phases. Thus highest encapsulat...

journal_title：Journal of microencapsulation

authors： Bonduelle S,Foucher C,Leroux JC,Chouinard F,Cadieux C,Lenaerts V

更新日期：1992-04-01 00:00:00

abstract：:Monodisperse Ca-alginate microspheres were prepared using the membrane emulsification method. Three ionic types of drugs (anionic, cationic and non-ionic) were incorporated into the microspheres, and the effects of sodium alginate concentration and the pressure applied during the dispersing process on the properties o...

journal_title：Journal of microencapsulation

authors： You JO,Park SB,Park HY,Haam S,Chung CH,Kim WS

更新日期：2001-07-01 00:00:00

abstract：:Rosin was esterified with pentaerythritol and intermediate reaction products with different acid values were isolated. Microcapsules containing sulphadiazine were prepared by a solvent evaporation technique using these esters as wall materials. The microcapsules were evaluated for their size, drug content, and release...

journal_title：Journal of microencapsulation

authors： Sheorey DS,Dorle AK

更新日期：1994-01-01 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：:A kind of electronic ink, which is supported on indium-tin-oxide (ITO) glass before polymerization, is prepared using urea and formaldehyde resin as wall materials, in which TiO(2) modified with PMMA are dispersed in tetrachloroethylene (TCE) using a mixture of oil blue dyes and charge control additive (span80). Rotar...

journal_title：Journal of microencapsulation

authors： Wang YT,Zhao XP,Wang DW

更新日期：2006-11-01 00:00:00

abstract：:Silica gel microspheres are ideal materials for bioencapsulation due to their mechanical properties, biocompatibility, and stability. Encapsulated cells are isolated from the environment and protected from predators, changes in pH, and osmotic stress. However methods for the production of silica gel microspheres suita...

journal_title：Journal of microencapsulation

authors： Benson JJ,Wackett LP,Aksan A

更新日期：2016-08-01 00:00:00

abstract：:Grapes (Vitis vinifera) are produced in large amounts worldwide and mostly are used for winemaking. Their untreated wastes are rich in valuable secondary metabolites, such as phenolics. Thus, in this study, white and red wine wastes (Malagouzia and Syrah variety) were investigated for their added value phenolics, whic...

journal_title：Journal of microencapsulation

authors： Moschona A,Liakopoulou-Kyriakides M

更新日期：2018-05-01 00:00:00

abstract：:The effect of process variables such as nozzle size, flow-rate of dispersed phase, inter-electrode distance, and presence of an acid acceptor and a thickening agent in the dispersed phase, on the production and size distribution of nylon 6-10 microcapsules prepared by interfacial polymerization in a high-voltage elect...

journal_title：Journal of microencapsulation

authors： Etuk BR,Weatherley LR,Murray KR

更新日期：1995-03-01 00:00:00

abstract：:Captopril microcapsules were prepared using four different viscosity grades of ethyl cellulose (core: wall ratios 1:1, 1:2 and 1:3) by temperature induced coacervation from cyclohexane. In vitro dissolution studies in 0.1 M hydrochloric acid showed that the drug release was dependent on the core to wall ratio, the vis...

journal_title：Journal of microencapsulation

authors： Singh J,Robinson DH

更新日期：1990-01-01 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