Simultaneous automated determination of spironolactone metabolites in serum.

abstract：:The purpose of this work was to investigate the self-associating behavior observed in high concentration monoclonal antibody (MAb1) solutions at pH 6.0. Zeta potential measurements over the pH range (4.0-9.0) showed lower net charges present on the molecule at pH 6.0 and 7.0. The point of zero charge or crossover from...

journal_title：Journal of pharmaceutical sciences

authors： Yadav S,Liu J,Shire SJ,Kalonia DS

更新日期：2010-03-01 00:00:00

abstract：:The degradation kinetics of metronidazole in aqueous solutions of pH 3.1 to 9.9 under accelerated storage conditions were studied. The stability of metronidazole in solutions containing propylene glycol or polyethylene glycol 400 was also investigated. The reaction order for metronidazole in these aqueous and solvent ...

journal_title：Journal of pharmaceutical sciences

authors： Wang DP,Yeh MK

更新日期：1993-01-01 00:00:00

abstract：:Application of low-frequency ultrasound has been shown to enhance transdermal transport of drugs (low-frequency sonophoresis). In this paper, we show that the efficacy of low-frequency ultrasound in enhancing transdermal transport can be further increased by its combination with sodium lauryl sulfate (SLS), a well-kno...

journal_title：Journal of pharmaceutical sciences

authors： Mitragotri S,Ray D,Farrell J,Tang H,Yu B,Kost J,Blankschtein D,Langer R

更新日期：2000-07-01 00:00:00

abstract：:This study describes a fast spectrophotometic titration method for apparent ionization constant (pKa) determination. In this method, a Universal pH indicator is utilized instead of the conventional pH electrode. An autoburette is set to add HCl at a constant rate to a vigorously stirred 1 cm UV cuvette which contains ...

journal_title：Journal of pharmaceutical sciences

authors： Kong X,Zhou T,Liu Z,Hider RC

更新日期：2007-10-01 00:00:00

abstract：:One manifestation of cystic fibrosis (CF) is the presence of a viscid mucus secretion in the lungs. The clearance of this mucus is significantly slower than in "normals" due to uncoordinated beating of the cilia and the increased viscosity of the mucus. In these studies, the permeabilities of p-aminosalicylic acid, is...

journal_title：Journal of pharmaceutical sciences

authors： Bhat PG,Flanagan DR,Donovan MD

更新日期：1996-06-01 00:00:00

abstract：:The molecular connectivity indexes of various aliphatic alcohols, ketones, ethers, and esters were used to describe structural features influencing chromatographic retention indexes. Good correlations were obtained within chemical classes for a particular stationary phase. ...

journal_title：Journal of pharmaceutical sciences

authors： Kier LB,Hall LH

更新日期：1979-01-01 00:00:00

abstract：:Cyclosporin A (CyA) is a good candidate for incorporation in colloidal carriers such as nanoparticles (NP) that would diminish the adverse effects associated with its use under conventional pharmaceutical dosage forms and improve bioavailability after oral administration. In this study a composite rotational experimen...

journal_title：Journal of pharmaceutical sciences

authors： Molpeceres J,Guzman M,Aberturas MR,Chacon M,Berges L

更新日期：1996-02-01 00:00:00

abstract：:Meglumine labeled with carbon-14 was administered orally as 14C-meglumine salicylate to rats and dogs to study its distribution and excretion. The compound was incompletely absorbed; that which was absorbed was rapidly excreted in the urine. Peak blood levels were about 5-10 mug/ml in rats and 2-8 mug/ml in dogs. Tiss...

journal_title：Journal of pharmaceutical sciences

authors： Heeg JF,Born GS,Kessler WV,Shaw SM,Lange WE

更新日期：1977-01-01 00:00:00

abstract：:Peptide-Fc fusion proteins (or peptibodies) are chimeric proteins generated by fusing a biologically active peptide with the Fc-domain of immunoglobulin G. In this review, we describe recent studies that have evaluated the absorption, distribution, metabolism, and excretion characteristics of peptibodies. Key features...

journal_title：Journal of pharmaceutical sciences

authors： Wu B,Sun YN

更新日期：2014-01-01 00:00:00

abstract：:The effect of dimethyl sulfoxide, dimethyl formamide, and dimethyl acetamide on the basal stratum corneum of excised nude mouse skin was investigated. All of these dipolar aprotic solvents caused a swelling of the basal stratum corneum cells and a disruption of the normal keratin pattern. This behavior suggests that d...

journal_title：Journal of pharmaceutical sciences

authors： Sharata HH,Burnette RR

更新日期：1988-01-01 00:00:00

abstract：:The interaction between four different microparticulate drug carriers and macrophages was investigated in vitro. The microparticles, consisting of crosslinked starch (1,4-alpha-D-glucan with 1,6-alpha-branches), dextran (1,6-alpha-D-glucan with 1,3-alpha-branches), lichenan (1,3-beta-D-glucan), or mannan (1,6-alpha-D-...

journal_title：Journal of pharmaceutical sciences

authors： Artursson P,Arro E,Edman P,Ericsson JL,Sjöholm I

更新日期：1987-02-01 00:00:00

abstract：:Here, we report the structural characterization of several amorphous drugs made using the method of quenching molten droplets suspended in an acoustic levitator. (13) C NMR, X-ray, and neutron diffraction results are discussed for glassy cinnarizine, carbamazepine, miconazole nitrate, probucol, and clotrimazole. The (...

journal_title：Journal of pharmaceutical sciences

authors： Benmore CJ,Weber JK,Tailor AN,Cherry BR,Yarger JL,Mou Q,Weber W,Neuefeind J,Byrn SR

更新日期：2013-04-01 00:00:00

abstract：:Digoxin binding to normal and kwashiorkor serum was studied and found to be inferior in the latter. Digoxin should be used with care in hypoalbuminemic patients. ...

journal_title：Journal of pharmaceutical sciences

authors： Buchanan N,Van der Walt LA,Strickwold B

更新日期：1976-06-01 00:00:00

abstract：:The distribution of zidovudine (AZT) between plasma, brain extracellular fluid (ECF), and cerebrospinal fluid (CSF) was investigated in a crossover design study (n = 5) in unanesthetized rabbits. Drug was administered by intravenous (iv) and intracerebroventricular (icv) infusions at the same infusion rate (1.5 mg/h.k...

journal_title：Journal of pharmaceutical sciences

authors： Wang Y,Sawchuk RJ

更新日期：1995-07-01 00:00:00

abstract：:A study of the pH of saliva produced by humans sucking hard candy lozenges containing zinc gluconate and citric acid demonstrated the probability that the formulation delivered an insignificant amount of the contained zinc as Zn2+. This could account for the negative results of several clinical studies of this lozenge...

journal_title：Journal of pharmaceutical sciences

authors： Zarembo JE,Godfrey JC,Godfrey NJ

更新日期：1992-02-01 00:00:00

abstract：:Three novel series of 4-oxoquinazoline derivatives were prepared and evaluated as potential antimicrobial agents. Evaluation of the antimicrobial activity of a variety of 4-substituted-1-thiosemicarbazides, 3,4-disubstituted thiazolines, and 3-substituted-5-thiazolidones reveals that the majority possess significant i...

journal_title：Journal of pharmaceutical sciences

authors： Habib NS,Khalil MA

更新日期：1984-07-01 00:00:00

abstract：:It is shown, using oxalic acid dihydrate as a model, that nonisothermal recrystallization of powders gives rise to particle size distributions which approach log-normality in many cases. The number of particles formed is, primarily, a function of the nucleation rate constants and the particle size distribution, i.e., ...

journal_title：Journal of pharmaceutical sciences

authors： Carstensen JT,Rodriguez-Hornedo N

更新日期：1985-12-01 00:00:00

abstract：:This article presents a theoretical model of transdermal drug delivery from an emulsion-type vehicle that addresses the vehicle heterogeneity and incorporates the prediction of drug transport parameters as function of the vehicle composition. The basic mass transfer model considers interfacial and diffusion resistance...

journal_title：Journal of pharmaceutical sciences

authors： Bernardo FP,Saraiva PM

更新日期：2008-09-01 00:00:00

abstract：:A number of biopharmaceuticals are available as lyophilized formulations along with a prefilled syringe (PFS) containing water for injection (WFI). Submicron- and micron-size droplets of lubricating silicone oil (SO) applied to the inner surface of the PFS barrel might migrate into the WFI, to which protein pharmaceut...

journal_title：Journal of pharmaceutical sciences

authors： Krayukhina E,Yokoyama M,Hayashihara KK,Maruno T,Noda M,Watanabe H,Uchihashi T,Uchiyama S

更新日期：2019-07-01 00:00:00

abstract：:Methods for monitoring mechanical events occurring within particulate solids systems in a dynamic state are described. The electrical conductance and capacitance characteristics of such systems, as they relate to the degree of bed dilation or expansion, extent of interparticulate contact, and intensity of particle mot...

journal_title：Journal of pharmaceutical sciences

authors： Rippie EG,Kriesel DC,Rettig H

更新日期：1978-08-01 00:00:00

abstract：:The absorption-enhancing effects of polyamidoamine (PAMAM) dendrimers with various generations (G0-G3) and concentrations [0.1%-1.0% (w/v)] on the pulmonary absorption of peptide and protein drugs were studied in rats. Insulin and calcitonin were chosen as models of peptide and protein drugs, and their pulmonary absor...

journal_title：Journal of pharmaceutical sciences

authors： Dong Z,Hamid KA,Gao Y,Lin Y,Katsumi H,Sakane T,Yamamoto A

更新日期：2011-05-01 00:00:00

abstract：:The dissolution kinetics of theophylline monohydrate and anhydrous theophylline were investigated with a rotating-disk apparatus in buffer solutions at 298 K under sink conditions. The observed dissolution rate of theophylline monohydrate under various conditions agreed well with predictions based on the Extended Simu...

journal_title：Journal of pharmaceutical sciences

authors： de Smidt JH,Fokkens JG,Grijseels H,Crommelin DJ

更新日期：1986-05-01 00:00:00

abstract：:Clinical lots of recombinant human platelet-activating factor acetylhydrolase (rhPAF-AH) were prepared in a lyophilized formulation. After reconstitution with sterile water for injection to form an aqueous solution (10 mM sodium citrate, 7.5 w/v% sucrose, and 0.1 w/v% Pluronic-F68, pH 6.5), a few visible, slowly growi...

journal_title：Journal of pharmaceutical sciences

authors： Chi EY,Weickmann J,Carpenter JF,Manning MC,Randolph TW

更新日期：2005-02-01 00:00:00

abstract：:Gold nanoparticles through nucleation of Au clusters have been extensively studied. However, due to low potency, prolonged tissue retention, and irreversible accumulation, the safety considerations have limited their therapeutic and diagnostic applications. Novel gold nanostructures with retained physical properties a...

journal_title：Journal of pharmaceutical sciences

authors： Gao Y,Mu Q,Zhu L,Li Z,Ho RJY

更新日期：2020-05-01 00:00:00

abstract：:Respirable crystals of cromoglycic acid (CA) were prepared by precipitation of CA with hydrochloric acid from aqueous solutions of cromolyn sodium and subsequent recrystallization from hot water or mixtures of dimethyl sulphoxide and water. The properties of the materials were established by melting point measurements...

journal_title：Journal of pharmaceutical sciences

authors： Chan HK,Gonda I

更新日期：1989-02-01 00:00:00

abstract：:An F(ab')2 fragment of an IgG has been spray-dried on a bench-top machine to examine the presence of insoluble particulates in the redissolved powder product. Preliminary experiments showed that treatment of the F(ab')2 in aqueous solution in a water bath at 65°C for 1 h produced fragmentation and also insoluble parti...

journal_title：Journal of pharmaceutical sciences

authors： Lassner P,Adler M,Lee G

更新日期：2014-04-01 00:00:00

abstract：:In this study, the cytotoxicity of doxorubicin (DOX) loaded stearic acid grafted chitosan oligosaccharide (CSO-SA) micelles and its core modified drug delivery systems were investigated in vitro. The in vitro drug release experiments using cellular culture medium, Roswell Park Memorial Institute 1640 (RPMI-1640) mediu...

journal_title：Journal of pharmaceutical sciences

authors： Ye YQ,Chen FY,Wu QA,Hu FQ,Du YZ,Yuan H,Yu HY

更新日期：2009-02-01 00:00:00

abstract：:Co-amorphous drug-amino acid systems have gained growing interest as an alternative to common amorphous formulations which contain polymers as stabilizers. Several preparation methods have recently been investigated, including vibrational ball milling on a laboratory scale or spray drying in a larger scale. In this st...

journal_title：Journal of pharmaceutical sciences

authors： Lenz E,Löbmann K,Rades T,Knop K,Kleinebudde P

更新日期：2017-01-01 00:00:00

abstract：:The relationship between the lone tryptophan residue at position 214 and drug binding sites (Sites I and II) in human serum albumin (HSA) was studied by fluorescence energy transfer. The distance between the lone tryptophan residue and ligands bound to HSA was estimated by Förster's equation, taking into consideration...

journal_title：Journal of pharmaceutical sciences

authors： Kasai S,Horie T,Mizuma T,Awazu S

更新日期：1987-05-01 00:00:00

abstract：:A Modified Crisp Equation, describing the differential Gibbs free energy of the adsorption process, is being proposed, which considers multiple sites available on the surface for adsorption and their relative fractions. The differential Gibbs free energy can be calculated by the van't Hoff Equation, which depends on t...

journal_title：Journal of pharmaceutical sciences

authors： Yu P,Wurster DE

更新日期：2018-04-01 00:00:00