Influence of rheology of dispersion media in the preparation of polymeric microspheres through emulsification method.

abstract：:The aim of this work was to study the effect of the type of substituent of the cellulose ethers and the molecular mass on the state and dynamics of water in the respective hydrogels to specify the quantity of adsorbed water on the polymers or, more explicitly, to calculate the average number of water molecules bound t...

journal_title：AAPS PharmSciTech

authors： Baumgartner S,Lahajnar G,Sepe A,Kristl J

更新日期：2002-01-01 00:00:00

abstract：:The present investigation was undertaken to fabricate modified transport fluconazole transdermal spray using ethyl cellulose and Eudragit RS100 as film-forming polymers. Eudragit RS100 (X(1)) and ethyl cellulose (X(2)) were selected as independent variables in 3(2) full factorial design, whereas drug transport in firs...

journal_title：AAPS PharmSciTech

authors： Gohel MC,Nagori SA

更新日期：2009-01-01 00:00:00

abstract：:Modifications to the surface chemistry, charge, and hydrophilicity/hydrophobicity of nanoparticles are applicable approaches to the alterations of the in vivo fate of intravenously administered nano-sized drug carriers. The objective of this study is to investigate the in vitro and in vivo antitumor efficacies of curc...

journal_title：AAPS PharmSciTech

authors： Sun L,Xu H,Xu JH,Wang SN,Wang JW,Zhang HF,Jia WR,Li LS

更新日期：2020-06-11 00:00:00

abstract：:The purpose of this research was to develop and evaluate different preparations of sustained delivery systems, using Carbopols as carriers, in the form of matrices and three-layer tablets with isosorbite mononitrate. Matrix tablets were prepared by direct compression whereas three-layer tablets were prepared by compre...

journal_title：AAPS PharmSciTech

authors： Efentakis M,Peponaki C

更新日期：2008-01-01 00:00:00

abstract：:A hydroxyethylcellulose-poly(acrylic acid) (HEC-PAA) lyomatrix was developed for ganciclovir (GCV) intestine targeting to overcome its undesirable degradation in the stomach. GCV was encapsulated within the HEC-PAA lyomatrix prepared by lyophilization. Conventional tablets were also prepared with identical GCV concent...

journal_title：AAPS PharmSciTech

authors： Mabrouk M,Mulla JA,Kumar P,Chejara DR,Badhe RV,Choonara YE,du Toit LC,Pillay V

更新日期：2016-10-01 00:00:00

abstract：:Hydrogen sulfide (H2S) is having many potential pharmacological and physiological actions which reported that therapeutically useful concentration is low (100-160 μM) and a higher concentration could be toxic. Most of its donors produce it on coming into contact with water. All of these problems could be solved by a c...

journal_title：AAPS PharmSciTech

authors： Ali H,Opere C,Singh S

更新日期：2014-08-01 00:00:00

abstract：:Pluronic F127 (PF-127) shows thermoreversible property, which is of the utmost interest in optimizing drug formulation and delivery. However, its hitherto unresolved drawback of a low phase transition temperature (T (tr)) has limited its application in injectable drug delivery systems. We have ...

journal_title：AAPS PharmSciTech

authors： Ma Y,Zhang C,Chen X,Jiang H,Pan S,Easteal AJ,Sun X

更新日期：2012-06-01 00:00:00

abstract：:The present work embarks upon increasing the dissolution rate and the bioavailability of model anti-diabetic drug, gliquidone, a sulfonylurea class drug used for treating diabetes mellitus type 2. The gliquidone nanoparticles were prepared by using anti-solvent precipitation technique in which, gliquidone solution in ...

journal_title：AAPS PharmSciTech

authors： Mohamed MS,Abdelhafez WA,Zayed G,Samy AM

更新日期：2019-12-26 00:00:00

abstract：:Low solubility of active pharmaceutical compounds (APIs) remains an important challenge in dosage form development process. In the manuscript, empirical models were developed and analyzed in order to predict dissolution of bicalutamide (BCL) from solid dispersion with various carriers. BCL was chosen as an example of ...

journal_title：AAPS PharmSciTech

authors： Mendyk A,Pacławski A,Szafraniec-Szczęsny J,Antosik A,Jamróz W,Paluch M,Jachowicz R

更新日期：2020-03-31 00:00:00

abstract：:The objective of this study was to evaluate possible usefulness of pectins for direct compression of tablets. The deformation behavior of pectin grades of different degree of methoxylation (DM), namely, 5%, 10%, 25%, 35%, 40%, 50%, and 60% were, examined in terms of yield pressures (YP) derived from Heckel profiles fo...

journal_title：AAPS PharmSciTech

authors： Salbu L,Bauer-Brandl A,Tho I

更新日期：2010-03-01 00:00:00

abstract：:Developing amorphous solid dispersions of water-insoluble molecules using polymeric materials is a well-defined approach to improve the dissolution rate and bioavailability. While the selected polymer plays a vital role in stabilizing the amorphous solid dispersion physically, it is equally important to improve the di...

journal_title：AAPS PharmSciTech

authors： Verma S,Rudraraju VS

更新日期：2015-10-01 00:00:00

abstract：:Pharmaceutical excipients contain reactive groups and impurities due to manufacturing processes that can cause decomposition of active drug compounds. The aim of this investigation was to determine if commercially available oral disintegrating tablet (ODT) platforms induce active pharmaceutical ingredient (API) degrad...

journal_title：AAPS PharmSciTech

authors： Köllmer M,Popescu C,Manda P,Zhou L,Gemeinhart RA

更新日期：2013-12-01 00:00:00

abstract：:This investigation aimed to develop nimesulide (NMS)-loaded poly(lactic-co-glycolic acid) (PLGA)-based nanoparticulate formulations as a biodegradable polymeric drug carrier to treat rheumatoid arthritis. Polymeric nanoparticles (NPs) were prepared with two different nonionic surfactants, vitamin E d-α-tocopheryl poly...

journal_title：AAPS PharmSciTech

authors： Turk CT,Oz UC,Serim TM,Hascicek C

更新日期：2014-02-01 00:00:00

abstract：:Rifaximin (RFX), a semi-synthetic antibiotic belonging to BCS class IV category, has been used in the treatment of traveler's diarrhea. An attempt has been made to improve aqueous solubility of RFX in the presence of β-cyclodextrin (β-CD) and hydroxy propyl β-cyclodextrin (HP-β-CD) and control its release in the gut b...

journal_title：AAPS PharmSciTech

authors： Karanje RV,Bhavsar YV,Jahagirdar KH,Bhise KS

更新日期：2013-06-01 00:00:00

abstract：:To ensure consistency of clinical outcomes, orally inhaled therapies must exhibit consistent delivered dose and aerosol properties at the time of manufacturing, throughout storage, and during various patient-use conditions. Achieving consistency across these scenarios has presented a significant challenge, especially ...

journal_title：AAPS PharmSciTech

authors： Doty A,Schroeder J,Vang K,Sommerville M,Taylor M,Flynn B,Lechuga-Ballesteros D,Mack P

更新日期：2018-02-01 00:00:00

abstract：:As a synthetic clay material, laponite RDS (LR) was investigated as an effective drug carrier as a result of the special nanodisk structure together with the negative-charged surface to achieve enhanced cellular uptake and targeted delivery. In this research work, the synthesized oligomeric hyaluronic acid-aminophenyl...

journal_title：AAPS PharmSciTech

authors： Yang Y,Li J,Chen F,Qiao S,Li Y,Pan W

更新日期：2019-11-20 00:00:00

abstract：:Transcutaneous immunization using a microneedle device presents a promising alternative to syringe-based injection of vaccines. The aim of this study was to investigate the effective immune response elicited after application of tetanus toxoid antigen-loaded dissolvable microneedles (TT-MN) in mice model. Dissolvable ...

journal_title：AAPS PharmSciTech

authors： Pattarabhiran SP,Saju A,Sonawane KR,Manimaran R,Bhatnagar S,Roy G,Kulkarni RB,Venuganti VVK

更新日期：2019-07-22 00:00:00

abstract：:The purpose of this research was to prepare and evaluate sustained release mucoadhesive tablets of Itraconazole. It is practically insoluble in aqueous fluids hence its solid dispersion with Eudragit E100 was prepared by spray drying. This was formulated in matrix of hydrophilic mucoadhesive polymers Carbopol 934P (CP...

journal_title：AAPS PharmSciTech

authors： Madgulkar A,Kadam S,Pokharkar V

更新日期：2008-01-01 00:00:00

abstract：:The oxidation of glucagon by the H2O2/Cu(2+) system and by simulated sunlight was studied using HPLC-MS methodologies. It was found that copper ion-catalyzed oxidation is much faster in the residue 1-12 region than in photo-oxidation, but it is slower than photo-oxidation in the residue 18-29 region. This difference i...

journal_title：AAPS PharmSciTech

authors： Zhang J

更新日期：2016-08-01 00:00:00

abstract：:In the spectrophotometric assay of multicomponent systems involved in drug degradation studies, some minor or unknown degradation products may be present. These products may interfere in the assay and thus invalidate the results due to their absorption in the range of analytical wavelengths. This interference may be e...

journal_title：AAPS PharmSciTech

authors： Ahmad I,Qadeer K,Iqbal K,Ahmed S,Sheraz MA,Ali SA,Mirza T,Hafeez A

更新日期：2013-09-01 00:00:00

abstract：:The purpose of this article is to report final results of the evaluation of a chi-square ratio test proposed by the US Food and Drug Administration (FDA) for demonstrating equivalence of aerodynamic particle size distribution (APSD) profiles of nasal and orally inhaled drug products. A working group of the Product Qua...

journal_title：AAPS PharmSciTech

authors： Christopher D,Adams W,Amann A,Bertha C,Byron PR,Doub W,Dunbar C,Hauck W,Lyapustina S,Mitchell J,Morgan B,Nichols S,Pan Z,Singh GJ,Tougas T,Tsong Y,Wolff R,Wyka B

更新日期：2007-11-02 00:00:00

abstract：:The recommended method for the biopharmaceutical evaluation of drug solubility is the shake flask; however, there are discrepancies reported about the solubility of certain compounds measured with this method, one of them is candesartan cilexetil. The present work aimed to elucidate the solubility of candesartan cilex...

journal_title：AAPS PharmSciTech

authors： de Campos DP,Silva-Barcellos NM,Lima RR,Savedra RML,Siqueira MF,Yoshida MI,da Nova Mussel W,de Souza J

更新日期：2018-10-01 00:00:00

abstract：:The present study was designed to test the hypothesis that programmed cell death-1 (PD-1) siRNA can downregulate PD-1 expression in macrophages in culture and in tumor tissues in mice and inhibit tumor growth in a mouse model. PD-1 siRNA was encapsulated in solid lipid nanoparticles (SLNs), and the physical properties...

journal_title：AAPS PharmSciTech

authors： Hanafy MS,Hufnagel S,Trementozzi AN,Sakran W,Stachowiak JC,Koleng JJ,Cui Z

更新日期：2021-01-31 00:00:00

abstract：:Poly(propylene succinate) (PPSu) polymers of average molecular weights from 2,800 to 13,100 g/mol were synthesized and characterized with regard to crystallinity, thermal properties, and cytocompatibility. Higher molecular weight samples exhibited lower degree of crystallinity and melted at lower temperatures. Melting...

journal_title：AAPS PharmSciTech

authors： Bikiaris DN,Papageorgiou GZ,Papadimitriou SA,Karavas E,Avgoustakis K

更新日期：2009-01-01 00:00:00

abstract：:The second author's name was incorrectly published as "Niha F. Younes". The correct name is "Nihal Farid Younes" as shown above in the list of authors. ...

journal_title：AAPS PharmSciTech

authors： El Assasy AEI,Younes NF,Makhlouf AIA

更新日期：2019-02-25 00:00:00

abstract：:The exudates from the incised trunk of Terminalia randii has been evaluated as controlled release excipient in comparison with xanthan gum and hydroxypropylmethylcellulose (HPMC) using carvedilol (water insoluble) and theophylline (water soluble) as model drugs. Matrix tablets were prepared by direct compression and t...

journal_title：AAPS PharmSciTech

authors： Bamiro OA,Odeku OA,Sinha VR,Kumar R

更新日期：2012-03-01 00:00:00

abstract：:Present investigation deals with formulation and evaluation of tamoxifen (TMX)-loaded liquid crystalline nanoparticles (TMX-LCNPs) for improving oral bioavailability and safety of the existing treatment. Hexagonal Glyceryl monooleate-based TMX-LCNPs (GLCNPs) and Phytantriol-based TMX-LCNPs (PLCNPs) were prepared by di...

journal_title：AAPS PharmSciTech

authors： Jain S,Heeralal B,Swami R,Swarnakar NK,Kushwah V

更新日期：2018-01-01 00:00:00

abstract：:Hard capsules are made from gelatin, an organic polymer obtained through the hydrolysis of collagen present in animal tissues. Gelatin can be degraded by microorganisms and some strategies can be used to control contaminating micro-organisms. Gamma irradiation is considered as an effective sterilization method; howeve...

journal_title：AAPS PharmSciTech

authors： Rodrigues JT,Neto FNS,Ferreira MF,Naves PLF,Guilherme LR

更新日期：2019-05-20 00:00:00

abstract：:Palatability and patient acceptability are critical attributes of dispersible tablet formulation. Co-processed excipients could provide improved organoleptic profile due to rational choice of excipients and manufacturing techniques. The aim of this study was to identify the most suitable co-processed excipient to use ...

journal_title：AAPS PharmSciTech

authors： Dziemidowicz K,Lopez FL,Bowles BJ,Edwards AJ,Ernest TB,Orlu M,Tuleu C

更新日期：2018-08-01 00:00:00

abstract：:The aim of the present work was the investigation of robustness and reliability of drug release from 50 to 400 mg quetiapine extended release HPMC matrix tablets towards mechanical stresses of biorelevant intensity. The tests were performed under standard conditions (USP apparatus II) as well as under simulated gastro...

journal_title：AAPS PharmSciTech

authors： Garbacz G,Kandzi A,Koziolek M,Mazgalski J,Weitschies W

更新日期：2014-02-01 00:00:00