Microencapsulated electric ink using gelatin/gum arabic.

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 purpose of this study was to design and characterise an oral mucoadhesive micellar drug carrier. In this regard, a mucoadhesive hydrophobic cationic aminocellulose was easily synthesised under mild homogeneous conditions with high yield. The cellulose derivative resulted in strongly improved mucoadhesive propertie...

journal_title：Journal of microencapsulation

authors： Songsurang K,Siraleartmukul K,Muangsin N

更新日期：2015-01-01 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：:The sorption of 5-fluorouracil from aqueous solutions onto poly(methyl methacrylate) was investigated. Linear sorption isotherms were obtained and no crystallinity of the nanoparticles after sorption was detectable by X-ray analysis indicating a partitioning of the drug into the polymer particles-forming a solid solut...

journal_title：Journal of microencapsulation

authors： Yalabik-Kas HS,Kreuter J,Hincal AA,Speiser PP

更新日期：1986-04-01 00:00:00

abstract：:Encapsulated vitro-derived apical buds of M.26 apple rootstock (Malus pumila Mill) can be employed for the formation of the synthetic seed. Satisfactory levels of conversion (plantlets from synthetic seed) can be achieved if there are adequate (i) rooting induction treatment, (ii) protocol of encapsulation, and (iii) ...

journal_title：Journal of microencapsulation

authors： Micheli M,Pellegrino S,Piccioni E,Standardi A

更新日期：2002-05-01 00:00:00

abstract：:This study demonstrates the feasibility of using a single-capillary electrospray (ES) system to generate novel alpha-lipoic acid encapsulated poly(ethylene oxide)-chitosan (ALA/PEO/CS) particles with a monodispersed diameter. Scanning electron microscopic images (SEM) and dynamic light scattering (DLS) results indicat...

journal_title：Journal of microencapsulation

authors： Bai MY,Hu YM

更新日期：2014-01-01 00:00:00

abstract：:To overcome the recurrence problem in bladder tumours; nanoparticles with positive surface charge may improve interaction with biological membranes for intravesical administration. The aim of this study was to design, develop and evaluate (in vitro-in vivo) cationic nanoparticles based on chitosan, poly-L-lysine or po...

journal_title：Journal of microencapsulation

authors： Erdoğar N,Iskit AB,Mungan NA,Bilensoy E

更新日期：2012-01-01 00:00:00

abstract：:Isoniazid was encapsulated into microspheres of alginate-chitosan by means of a complex coacervation method in an emulsion system. Since the encapsulation of isoniazid tends to be limited by its hydrophilic characteristics, this study proposes its microencapsulation by adsorption. The particles were prepared in three ...

journal_title：Journal of microencapsulation

authors： Lucinda-Silva RM,Evangelista RC

更新日期：2003-03-01 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：: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：:Solid lipid nanoparticles (SLNs) and nanosuspensions (NSs) have shown great promise for improving bioavailability of poorly water-soluble drugs. This study was aimed to develop SLNs and NS of Saquinavir (SQ) for improvement in bioavailability. These formulations were characterized and their pharmacokinetics and biodis...

journal_title：Journal of microencapsulation

authors： Dodiya SS,Chavhan SS,Sawant KK,Korde AG

更新日期：2011-01-01 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 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：:A biocompatible emulsification method has been developed for microencapsulation of live cells and enzymes within a calcium alginate matrix. Fabrication of alginate beads was achieved by premixing a sequestering agent (sodium polyphosphate) and the calcium source (calcium sulphate) with the hydrogel monomer prior to th...

journal_title：Journal of microencapsulation

authors： Monshipouri M,Price RR

更新日期：1995-05-01 00:00:00

abstract：:The effect of several parameters on the size of alginate beads produced by use of an electrostatic potential bead generator was examined. Parameters studied included needle diameter, electrostatic potential, alginate solution flow rate, gelling ion concentration and alginate concentration and viscosity, as well as alg...

journal_title：Journal of microencapsulation

authors： Klokk TI,Melvik JE

更新日期：2002-07-01 00:00:00

abstract：:The aim was to study the effect of the type of polymer solvent on characteristics of microspheres produced by spray drying. The water-soluble model protein, bovine serum albumin (BSA) was microencapsulated into biodegradable poly(D,L-lactic acid) using the following 10 different polymer solvents: acetaldehyde dimethyl...

journal_title：Journal of microencapsulation

authors： Gander B,Wehrli E,Alder R,Merkle HP

更新日期：1995-01-01 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：:The purpose of present research work was to develop mucoadhesive microspheres for nasal delivery with the aim to avoid hepatic first-pass metabolism, improve therapeutic efficacy and enhance residence time. For the treatment of migraine, hydroxypropyl methylcellulose (HPMC) K4M and K15M based microspheres containing s...

journal_title：Journal of microencapsulation

authors： Jain SA,Chauk DS,Mahajan HS,Tekade AR,Gattani SG

更新日期：2009-12-01 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：: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：: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：: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：:The size dependent and size independent contributions to the mechanical properties of poly(ethyleneglycol) microspheres with encapsulated air, made for medical ultrasound imaging, have been studied. A relation between the size of microspheres in a reference group and their acoustic attenuation efficacy was derived by ...

journal_title：Journal of microencapsulation

authors： Dyrstad K,Sontum PC,Hoff L

更新日期：2000-05-01 00:00:00

abstract：:This study explored a liquid phase coating technique to produce polymethyl methacrylate (PMMA)-coated alginate microspheres. Alginate microspheres with a mean diameter of 85.6 microm were prepared using an emulsification method. The alginate microspheres, as cores, were then coated with different types of PMMA by a li...

journal_title：Journal of microencapsulation

authors： Chan LW,Liu X,Heng PW

更新日期：2005-12-01 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：AIMS:This study was conducted to evaluate block copolymers containing two different poly(ethyleneimine) (PEI) amounts, as new pH-sensitive micellar delivery systems for doxorubicin. METHODS:Micelles were prepared with block copolymers consisting of poly(2-ethyl-2-oxazoline)-co-poly(ethyleneimine) (PEtOx-co-PEI) and po...

journal_title：Journal of microencapsulation

authors： Ozturk N,Kara A,Gulyuz S,Ozkose UU,Tasdelen MA,Bozkir A,Yilmaz O,Vural I

更新日期：2020-11-01 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, 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：: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：: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