Lacidipine encapsulated gastroretentive microspheres prepared by chemical denaturation for pylorospasm.

abstract：:Objective: To improve the water solubility and enhance the oral bioavailability of gambogenic acid (GNA). Methods: GNA-phospholipid complex (GNA-PLC) micelles were successfully prepared by anti-solvent method. Results: The encapsulation efficiency of GNA-PLC micelles can reach 99.33 % (w/w). The average particle size ...

journal_title：Journal of microencapsulation

authors： Wang B,Cheng W,Zhang C,Bao Y,Zha L,Qian J,Hong L,Chen W

更新日期：2019-09-01 00:00:00

abstract：:The soft microcapsules containing eucalyptus oil, ubiquinone and the fine water droplets could be prepared with interfacial dehydration reaction between hydroxy methyl cellulose and tannic acid using the water-in-oil-in-water type multiple (W/O)/W emulsion. The diameters of the microcapsules and the content and the mi...

journal_title：Journal of microencapsulation

authors： Taguchi Y,Suzuki T,Saito N,Yokoyama H,Tanaka M

更新日期：2017-12-01 00:00:00

abstract：:Phosphatidylcholine (from egg yolk)-cholesterol-stearylamine (7:2:2.25, molar ratio) liposomes when associated with cyclosporin A (phosphatidylcholine:cyclosporin A = 2:0.07, molar ratio) do not inhibit significantly the biosynthesis of [3H]polyglycerophosphatides and [3H]phosphatidylinositol in mitochondrial and micr...

journal_title：Journal of microencapsulation

authors： Stuhne-Sekalec L,Stanacev NZ

更新日期：1989-04-01 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：:An extrusion-based encapsulation process has been developed for making salt grain-sized iron premix for salt fortification. The first step of extrusion agglomeration process has been studied and reported previously. The focus of this study is on the optimisation of the colour-masking and polymer coating steps. Several...

journal_title：Journal of microencapsulation

authors： Yadava D,Olive Li Y,Diosady LL,Wesley AS

更新日期：2012-01-01 00:00:00

abstract：:This study focuses on development and in vitro characterisation of a nasal delivery system based on uncoated or chitosan-coated solid lipid microparticles (SLMs) containing resveratrol, a natural anti-inflammatory molecule, as an effective alternative to the conventional steroidal drugs. The physico-chemical character...

journal_title：Journal of microencapsulation

authors： Martignoni I,Trotta V,Lee WH,Loo CY,Pozzoli M,Young PM,Scalia S,Traini D

更新日期：2016-12-01 00:00:00

abstract：:Using formalin inactivated Actinobacillus pleuropneumoniae antigens and aqueous ethylcellulose dispersions, microspheres of oral vaccines were developed by a co-spray drying process. The present study attempted to determine whether the dosage formulations of microspheres could form enteric matrices. To assess the ente...

journal_title：Journal of microencapsulation

authors： Liao CW,Cheng IC,Yeh KS,Lin FY,Weng CN

更新日期：2001-05-01 00:00:00

abstract：:Polylactide (PLA) and polylactide-co-glycolide (PLGA) particles entrapping rotavirus (strain SA11) were formulated using a solvent evaporation technique. To minimize denaturation of viral antigen during the emulsification process, serum albumin was used as a stabilizer. Use of NaHCO(3) and sucrose during the primary e...

journal_title：Journal of microencapsulation

authors： Nayak B,Panda AK,Ray P,Ray AR

更新日期：2009-03-01 00:00:00

abstract：AIM:To study the effect of poly(d,l-lactic-co-glycolic acid) (PLGA) microparticles (MPs) preparation techniques on particle physical characterization with special emphasis on burst drug release. METHODS:A basic drug clozapine was used in combination with acid-terminated PLGA. Two approaches for MP preparation were com...

journal_title：Journal of microencapsulation

authors： Ishak RA,Mortada ND,Zaki NM,El-Shamy Ael-H,Awad GA

更新日期：2014-01-01 00:00:00

abstract：:Microencapsulation aims to protect polyunsaturated fatty acids against oxidation by embedding oil droplets in a solid matrix. The effect of the oil droplet size on the oxidation was evaluated under consideration of the non-encapsulated oil and the powder particle size. An O/W emulsion (1.6%(w/w) soy protein; 30.4%(w/w...

journal_title：Journal of microencapsulation

authors： Linke A,Hinrichs J,Kohlus R

更新日期：2020-03-01 00:00:00

abstract：:We demonstrate the microencapsulation of a double-base (DB) rocket propellant stabiliser, 2-nitrodiphenylamine (2-NDPA), that can potentially increase the shelf life of DB rocket propellants. Poly(lactide-co-glycolide) (PLG) microspheres loaded with 2-NDPA were prepared using the oil-in-water emulsion technique. The m...

journal_title：Journal of microencapsulation

authors： Shorty M,Singh S,Jebrail FF,Andrews MJ

更新日期：2012-01-01 00:00:00

abstract：:In this study, the anticancer activities of two siRNA carriers were compared using a human lung adenocarcinoma epithelial cell line (A549). Firstly, poly(styrene)-graft-poly(linoleic acid) (PS-g-PLina) and poly(styrene)-graft-poly(linoleic acid)-graft-poly(ethylene glycol) (PS-g-PLina-g-PEG) graft copolymers were synt...

journal_title：Journal of microencapsulation

authors： Anilmis NM,Kara G,Kilicay E,Hazer B,Denkbas EB

更新日期：2019-11-01 00:00:00

abstract：AIM:This study aimed to evaluate the protective effect of flaxseed mucilage on the co-extrusion microencapsulation of Lactobacillus rhamnosus GG. METHODS:Core flow rate, chitosan coating, and flaxseed mucilage concentration were optimised for the microencapsulation of L. rhamnosus. The microbeads were characterised an...

journal_title：Journal of microencapsulation

authors： Lai K,How Y,Pui L

更新日期：2020-12-28 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：: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：: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：: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：:Water-in-oil-in-water multiple emulsions of chloroquine diphosphate were prepared, using olive oil, arachis oil, Span 80, gelatin, acacia and Tween 80. Emulsifiers were employed individually or in combination. An attempt was made to correlate preparative variables with stability and drug release of multiple emulsions ...

journal_title：Journal of microencapsulation

authors： Vaziri A,Warburton B

更新日期：1994-11-01 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：PURPOSE:To develop a stable and reproducible modified release pellet formulation containing ibuprofen. METHODS:Using extrusion-spheronization technology to produce pellets. RESULTS:The percentage yield, size distribution and overall pellet shape within the desired size range of 1000-1400 microm was found to be depend...

journal_title：Journal of microencapsulation

authors： Lutchman D,Dangor CM,Perumal D

更新日期：2005-09-01 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：:A new material for the microencapsulation of biological systems was discovered and characterized with regards to the effects of reaction conditions on product yield. By using poly(cyanoacrylate ester), membrane microcapsules were produced with sufficient strength and porosity to be effective in a process environment f...

journal_title：Journal of microencapsulation

authors： Holl RJ,Chambers RP

更新日期：2002-11-01 00:00:00

abstract：:An overview of biodegradable and biocompatible microcapsules and microspheres loaded with neuroactive substances, or cells producing neuroactive substances, and their role as drug delivery systems (DDS) for drug administration to the central nervous system (CNS) is given. In addition, closely related systems are also ...

journal_title：Journal of microencapsulation

authors： Filipović-Grcić J,Maysinger D,Jalsenjak I

更新日期：1995-07-01 00:00:00

abstract：:Eudragit RS microspheres containing verapamil HCl for oral use were prepared using three different dispersing agents: aluminium tristearate, magnesium stearate and sucrose stearate, by a solvent evaporation method. The effects of the type and concentration of the dispersing agents and the inner phase polymer concentra...

journal_title：Journal of microencapsulation

authors： Horoz BB,Kiliçarslan M,Yüksel N,Baykara T

更新日期：2004-03-01 00:00:00

abstract：:In this study, we evaluated a system for oral vaccine delivery, consisting of liposomes coated first with a layer of tremella and then with an outer layer of acid-induced alginate. In vitro release studies showed that the triple layer of alginate-tremella-liposomes was more resistant to an acidic pH and modulated the ...

journal_title：Journal of microencapsulation

authors： Cheng HC,Chang CY,Hsieh FI,Yeh JJ,Chien MY,Pan RN,Deng MC,Liu DZ

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：: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：:In recent years, wormwood has been successfully applied in various fields, such as flavouring agent, plant dye, insect repellent and medical product. Wormwood oil encapsulated microcapsules with continuous release behaviours would be further applied in the health care textiles. Here, wormwood oil encapsulated microcap...

journal_title：Journal of microencapsulation

authors： Wang L,Li T,Xin B,Liu Y,Zhang F

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:Naproxen CR tablets have been obtained from its microspheres prepared by coprecipitation with Eudragit L100-55. The purpose of this work was to evaluate the main and interaction effects of deaggregating agent concentration (X1), compression pressure (X2) and amount of precipitating water (X3) on naproxen releas...

journal_title：Journal of microencapsulation

authors： Zaghloul AA,Vaithiyalingam SR,Faltinek J,Reddy IK,Khan MA

更新日期：2001-09-01 00:00:00

abstract：:In this study, we formulated a microparticulate melanoma cancer vaccine via the transdermal route. The vaccine was delivered using microneedle-based Dermaroller® which is available for cosmetic purposes. Unlike subcutaneous injections, administration using microneedles is painless and in general can increase the perme...

journal_title：Journal of microencapsulation

authors： Bhowmik T,D'Souza B,Shashidharamurthy R,Oettinger C,Selvaraj P,D'Souza MJ

更新日期：2011-01-01 00:00:00