Swelling behaviour and controlled drug release from cross-linked κ-carrageenan/NaCMC hydrogel by diffusion mechanism.

abstract：:Enteric diastase spherules were prepared using cellulose acetate phthalate and eudragit RS-100 by emulsion solvent removal method. Factors that could affect the size shape and diastatic activity were studied. The studied factors include pH of aqueous media, temperature of dispersion media and concentration of surface ...

journal_title：Journal of microencapsulation

authors： Vyas SP,Gogoi PJ,Pande S,Dixit VK

更新日期：1991-10-01 00:00:00

abstract：:Aims: The study was carried out to synthesise and characterise the chitosan-encapsulated genistein (CHI-En/Gen) and determine its anti-cancer and anti-angiogenic properties.Methods: The cytotoxic and anti-angiogenic activity of CHI-En/Gen was performed using MTT and chorioallantoic membrane assay. The molecular action...

journal_title：Journal of microencapsulation

authors： Rahmani F,Karimi E,Oskoueian E

更新日期：2020-06-01 00:00:00

abstract：:Poly-D,L-lactide (PDLLA) and polylactide-co-glycolide (PLGA) microspheres containing thymopentin have been prepared by a water-in-oil-in-water-emulsion/solvent evaporation technique. The goal is to stabilize the active compound thymopentin, and to prolong its therapeutic activity, by embedding the drug in a polymeric ...

journal_title：Journal of microencapsulation

authors： Conti B,Panico M,Ventura CA,Giunchedi P,Puglisi G

更新日期：1997-05-01 00:00:00

abstract：:The mechanism by which microcapsule aggregation is diminished in the presence of low concentrations of adjunct non-walling polymers such as polyisobutylene (PIB) in organic solvents is uncertain. It is here investigated by phase separation studies employing the non-solvent addition method (cyclohexane) in parallel wit...

journal_title：Journal of microencapsulation

authors： Donbrow M,Hoffman A,Benita S

更新日期：1990-01-01 00:00:00

abstract：:Ionotropic gelation was used to entrap sulindac into calcium alginate beads as a potential drug carrier for the oral delivery of this anti-inflammatory drug. Beads were investigated in vitro for a possible sustained drug release and their use in vivo as a gastroprotective system for sulindac. Process parameters such a...

journal_title：Journal of microencapsulation

authors： Yegin BA,Moulari B,Durlu-Kandilci NT,Korkusuz P,Pellequer Y,Lamprecht A

更新日期：2007-06-01 00:00:00

abstract：:Chitosan microspheres were prepared by an emulsion-phase separation technique without the use of chemical cross-linking agents; alternatively, ionotropic gelation was employed in a w/o emulsion. The possibility of three kinds of anions (tripolyphosphate, citrate and sulphate) to interact with chitosan was investigated...

journal_title：Journal of microencapsulation

authors： Shu XZ,Zhu KJ

更新日期：2001-03-01 00:00:00

abstract：:Polyurethane modified with polylactic acid microcapsules were fabricated for controlled release of chlorpyrifos (one of the high usage solid phosphorous insecticides) via interfacial polymerisation with diphenylmethane diisocyanate, polyether triol, 1,4-butanediol and polylactic acid as modifier. The structure, morpho...

journal_title：Journal of microencapsulation

authors： Zheng T,Chen K,Chen W,Wu B,Sheng Y,Xiao Y

更新日期：2019-01-01 00:00:00

abstract：:Secretory leukocyte protease inhibitor (SLPI) is an endogenous serine protease inhibitor that protects the lungs from excessive tissue damage caused by leukocyte proteases released during inflammation. Recombinant SLPI (rSLPI) has shown potential as a treatment for inflammatory lung conditions. To date, its clinical a...

journal_title：Journal of microencapsulation

authors： Gibbons AM,McElvaney NG,Taggart CC,Cryan SA

更新日期：2009-09-01 00:00:00

abstract：:The factors influencing the encapsulation of azathioprine (AZA) into liposomes were investigated to find out the conditions for its optimal entrapment. Similar studies for comparison were also carried out on 6-mercaptopurine (6-MP), of which AZA is a prodrug. AZA and also 6-MP show higher encapsulation efficiencies in...

journal_title：Journal of microencapsulation

authors： Gulati M,Grover M,Singh M,Singh S

更新日期：1998-07-01 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：:Catechin (CT) is natural molecule proved for antidiabetic activity. Clinical application of CT is highly restricted because of its low bioavailability and ineffectiveness in in vivo conditions. Therefore, the main objective of the present investigation was to formulate CT-loaded Eudragit RS 100 microparticles and eval...

journal_title：Journal of microencapsulation

authors： Meena KP,Vijayakumar MR,Dwibedy PS

更新日期：2017-06-01 00:00:00

abstract：:Protamine-oligonucleotide nanoparticles represent effective colloidal drug carriers for antisense phosphorothioate oligonucleotides (PTO). This study describes improvements in particle preparation and the physicochemical properties of the complexes prepared. The influence of component concentrations, length of the PTO...

journal_title：Journal of microencapsulation

authors： Lochmann D,Vogel V,Weyermann J,Dinauer N,von Briesen H,Kreuter J,Schubert D,Zimmer A

更新日期：2004-09-01 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:Quercetin (QUE) is a flavonoid with antioxidant/anti-inflammatory properties, poorly absorbed when orally administered. OBJECTIVES:To prepare chitosan/xanthan gum microparticles to increase QUE oral bioavailability and optimize its release in the colon. MATERIALS AND METHODS:Chitosan/xanthan gum hydrogel embe...

journal_title：Journal of microencapsulation

authors： Caddeo C,Nácher A,Díez-Sales O,Merino-Sanjuán M,Fadda AM,Manconi M

更新日期：2014-01-01 00:00:00

abstract：:Polyelectrolyte complexes (PEC) provide new opportunities for controlled release system of drugs, and have potentials to address challenges on the way to effective oral insulin delivery. Here, an innovative pH-sensitive PEC for insulin oral administration was developed, which was formed by self-assembly of two opposit...

journal_title：Journal of microencapsulation

authors： Chen T,Li S,Zhu W,Liang Z,Zeng Q

更新日期：2019-01-01 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：: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：:Hyaluronidase is a protein whose enzymatic activity is successfully employed in extravasation therapy. Taking into account that several proteins (e.g. gelatin and albumin) have been employed as natural polymers for the preparation of microspheres, this work approaches a comprehensive investigation on hyaluronidase inj...

journal_title：Journal of microencapsulation

authors： Modena T,Conti B,Genta I,Pauanetto F,Tira ME,Sini P,Gazzaniga A

更新日期：1998-01-01 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：:This work demonstrates Box-Behnken design (BBD)'s capability in exploring scientific principles governing a process, different from its use in process optimisation. We have investigated nanoprecipitation (NP) of temozolomide with polycaprolactone. Five factors, surfactant, stirring speed (SS), dropping rate (DR), phas...

journal_title：Journal of microencapsulation

authors： Singh Y,Ojha P,Srivastava M,Chourasia MK

更新日期：2015-01-01 00:00:00

abstract：:This work aimed to investigate the potential effect of cyclodextrin encapsulation on intrinsic ability of daidzein (DAD) and genistein (GEN) to inhibit the glycosaminoglycan (GAG) synthesis in fibroblasts originating from patients with mucopolysaccharidosis (MPS), type II and III. DAD or GEN encapsulation with either ...

journal_title：Journal of microencapsulation

authors： Fumić B,Jablan J,Cinčić D,Zovko Končić M,Jug M

更新日期：2018-01-01 00:00:00

abstract：AIMS:This study was aimed to develop Isotretinoin (ITN) and α-tocopherol acetate (α-TA) loaded solid lipid nanoparticle topical gel for better skin sensitivity and potentiation of efficacy. METHODS:ITN and α-TA-loaded solid lipid nanoparticles (AE-SLN) were prepared by microemulsion method with glyceryl mono-stearate ...

journal_title：Journal of microencapsulation

authors： Gupta S,Wairkar S,Bhatt LK

更新日期：2020-12-01 00:00:00

abstract：:This paper prepared novel biodegradable and pH-sensitive microgels based on Poly(epsilon-caprolactone)-Pluronic-Poly(epsilon-caprolactone)-dimethacrylate (PCFC-DMA), Poly(ethylene glycol) dimethacrylate (PEG-DMA) and methylacrylic acid (MAA) cross-linked with N,N'-methylenebisacrylamide (BIS), initiated by NaHSO(3), K...

journal_title：Journal of microencapsulation

authors： Xu X,Fu S,Wang K,Jia W,Guo G,Zheng X,Dong P,Guo Q,Qian Z

更新日期：2009-11-01 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：: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：:The preparation of dipyridamole (DIP) alginate (alg) microspheres by different methods or the incorporation of tragacanth (trgh), pectin or Eudragit L-100 55 (Eud) in alg microsphere formulations did not provide a prolonged release of DIP at pH 1.2. Tabletted microsphere formulations containing alg, trgh, pectin, sodi...

journal_title：Journal of microencapsulation

authors： Gürsoy A,Karakuş D,Okar I

更新日期：1999-07-01 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：:The aim of this study was to design and develop microspheres of indomethacin with pH and transit time dependent release properties for achieving targeted delivery to the colon. Microspheres containing varying proportions of ethyl cellulose and Eudragit (L100 or S100) either alone or in combination were prepared using ...

journal_title：Journal of microencapsulation

authors： Chandran S,Sanjay KS,Ali Asghar LF

更新日期：2009-08-01 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：:PLGA microspheres with high drug loading and high encapsulation efficiency were fabricated by a novel solvent evaporation process-in-situ S/O/W process. Insulin was dissolved in DMSO and dispersed into DCM to form fine particles due to an anti-solvent effect. The in-situ formed suspension was then added into an aqueou...

journal_title：Journal of microencapsulation

authors： Bao W,Zhou J,Luo J,Wu D

更新日期：2006-08-01 00:00:00