Relationship of in vitro hydrolysis of 17-chloroacetylajmaline and 17-acetylajmaline in different animal species.

abstract：:Povidone-iodine USP was tested for mutagenicity in mice by the dominant lethal assay or micronucleus test and in Chinese hamsters by the bone marrow test. None of the three tests revealed any evidence of mutagenic effect. ...

journal_title：Journal of pharmaceutical sciences

authors： Merkle J,Zeller H

更新日期：1979-01-01 00:00:00

abstract：:The analysis of corticosteroid prodrugs in pharmacokinetic (PK) studies poses the risk of overestimation of corticosteroid concentrations due to in vitro hydrolysis of prodrugs after sample collection. This study tests the effectiveness of enzyme inhibitors as stabilizers for betamethasone sodium phosphate (BSP) in pr...

journal_title：Journal of pharmaceutical sciences

authors： Samtani MN,Schwab M,Nathanielsz PW,Jusko WJ

更新日期：2004-03-01 00:00:00

abstract：:Previously available GLC methods for ethambutol may only be used to measure quantities of drugs much greater than those found in biological fluids such as plasma and dialysate. A previously published GLC method for plasma samples is extended to measure ethambutol in dialysate. A second GLC method, involving derivatiza...

journal_title：Journal of pharmaceutical sciences

authors： Lee CS,Benet LZ

更新日期：1978-04-01 00:00:00

abstract：:The goal was to evaluate the effects of acidity, expressed as the Hammett acidity function, on chemical reactivity in freeze-dried materials (lyophiles). Dextran-sucrose-citrate and polyvinyl pyrrolidone (PVP)-sucrose-citrate aqueous solutions, adjusted to pH values of 2.6, 2.8, and 3.0 were freeze dried, and characte...

journal_title：Journal of pharmaceutical sciences

authors： Chatterjee K,Shalaev EY,Suryanarayanan R,Govindarajan R

更新日期：2008-01-01 00:00:00

abstract：:A simple solution model that has lead to successful predictive equations for the partial molar excess properties of a solute in simple binary solvent mixtures containing only nonspecific interactions is extended to include association between the solute and one of the solvent components. An expression is derived and t...

journal_title：Journal of pharmaceutical sciences

authors： Acree WE Jr,McHan DR,Rytting JH

更新日期：1983-08-01 00:00:00

abstract：:To evaluate the potential of cell-penetrating peptide-based delivery of apoptosis-inducer gene in cancer therapy, a modified HIV-1 TAT peptide (dimerized TAT peptide, dTAT) was studied. The dTAT and plasmid DNA (pDNA) complexes (dTAT-pDNA) were condensed using calcium chloride (dTAT-pDNA-Ca2+). This simple nonviral fo...

journal_title：Journal of pharmaceutical sciences

authors： Ishiguro S,Alhakamy NA,Uppalapati D,Delzeit J,Berkland CJ,Tamura M

更新日期：2017-01-01 00:00:00

abstract：:We have used rheological and thermal methods to study the colloidal characteristics of a widely used technical latex. The dispersions of poly(methacrylic acid-ethyl acrylate) (Eudragit L100-55) were found to be stabilized by a combination of electrostatic and steric mechanisms termed as electrosteric stabilization. Th...

journal_title：Journal of pharmaceutical sciences

authors： Paulsson M,Singh SK

更新日期：1999-04-01 00:00:00

abstract：:Econazole is a feasible alternative treatment in the management of fungal keratitis. Nevertheless, its low water solubility is considered the main limitation to the incorporation into ophthalmic formulations. In this work, econazole nitrate is solubilized by using cyclodextrins to achieve an optimum therapeutic concen...

journal_title：Journal of pharmaceutical sciences

authors： Díaz-Tomé V,Luaces-Rodríguez A,Silva-Rodríguez J,Blanco-Dorado S,García-Quintanilla L,Llovo-Taboada J,Blanco-Méndez J,García-Otero X,Varela-Fernández R,Herranz M,Gil-Martínez M,Lamas MJ,González-Barcia M,Otero-Espinar FJ,Fern

更新日期：2018-05-01 00:00:00

abstract：:The quassinoids bruceantin, brucein D, brucein E, bruceoside A, and brusatol significantly inhibited P-388 lymphocytic leukemic cell RNA and protein synthesis in tissue culture. However, DNA synthesis inhibition seemed to correlate more directly with the anti-neoplastic activity of these compounds in the in vivo P-338...

journal_title：Journal of pharmaceutical sciences

authors： Hall IH,Lee KH,Eigebaly SA,Imakura Y,Sumida Y,Wu RY

更新日期：1979-07-01 00:00:00

abstract：:Methods for the determination of diphenoxylate hydrochloride and atropine sulfate combinations in solutions and powdered tablet composites are presented. A semiautomated assay for diphenoxylate hydrochloride in individual tablets (content uniformity) also is presented. The USP XIX assays for these products are cumbers...

journal_title：Journal of pharmaceutical sciences

authors： Ballbach RL,Brown DJ,Walters SM

更新日期：1977-11-01 00:00:00

abstract：:The capacity factors of several penicillins and cephalosporins, as well as those of 7-aminocephalosporanic acid, 6-aminopenicillanic acid, and 7-aminodeacetoxycephalosporanic acid, were determined at pH 2.5-7.5 with different methanol concentrations in the mobile phase. The influence of ionic strength on activity fact...

journal_title：Journal of pharmaceutical sciences

authors： Salto F,Prieto JG,Alemany MT

更新日期：1980-05-01 00:00:00

abstract：:The objective of the current study was to develop and evaluate VLDL-resembling phospholipid-submicron emulsion (PSME) as a carrier system for new cholesterol-based compounds for targeted delivery to cancer cells. BCH, a boronated cholesterol compound, was originally developed in our laboratory to mimic the cholesterol...

journal_title：Journal of pharmaceutical sciences

authors： Shawer M,Greenspan P,ØIe S,Lu DR

更新日期：2002-06-01 00:00:00

abstract：:Pharmacokinetic profiles of pentylenetetrazol in the dog were studied following rapid intravenous and oral administrations of a convulsant dose (15-20 mg/kg). Plasma level-time curves after a rapid intravenous injection showed biexponential decline, indicating that the disposition of this drug in the dog follows a two...

journal_title：Journal of pharmaceutical sciences

authors： Jun HW

更新日期：1976-07-01 00:00:00

abstract：:An assay is described for the determination of the H2-receptor antagonist, cimetidine, in human plasma and urine. Alkalinized plasma or urine was extracted with methylene chloride, the organic phase was evaporated, and the reconstituted residue was analysed by high-pressure liquid chromatography (HPLC) using a reverse...

journal_title：Journal of pharmaceutical sciences

authors： Mihaly GW,Cockbain S,Jones DB,Hanson RG,Smallwood RA

更新日期：1982-05-01 00:00:00

abstract：:Quantitative prediction of unbound drug fraction (fu) is essential for scaling pharmacokinetics through physiologically based approaches. However, few attempts have been made to evaluate the projection of fu values under pathological conditions. The primary objective of this study was to predict fu values (n = 105) of...

journal_title：Journal of pharmaceutical sciences

authors： Li GF,Yu G,Li Y,Zheng Y,Zheng QS,Derendorf H

更新日期：2018-07-01 00:00:00

abstract：:The deamidation of asparagine into aspartate and isoaspartate moieties is a major pathway for the chemical degradation of monoclonal antibodies (mAbs). It can affect the shelf life of a therapeutic antibody that is not formulated or stored appropriately. A new approach to detect deamidation using ion exchange chromato...

journal_title：Journal of pharmaceutical sciences

authors： Pace AL,Wong RL,Zhang YT,Kao YH,Wang YJ

更新日期：2013-06-01 00:00:00

abstract：:Optical crystallographic data were determined on a variety of newer USP drugs for which data had not been previously obtained. The ingredients in an unknown sample can be identified by polarized light microscopy by mounting small amounts of the material in successive specific refractive index liquids and determining r...

journal_title：Journal of pharmaceutical sciences

authors： Jordan DD

更新日期：1993-12-01 00:00:00

abstract：:Anhydrotetracycline (AHTC), one of the major toxic decomposition products of the antibiotic tetracycline, contains several potential binding sites to metal ions. The acidity constants of the ligand were calculated in aqueous medium (I = 0.1 M) at 25 and 37 degrees C. We found pKa1 = 3.23 +/- 0.08, pKa2 = 5.94 +/- 0.09...

journal_title：Journal of pharmaceutical sciences

authors： de Siqueira JM,Carvalho S,Paniago EB,Tosi L,Beraldo H

更新日期：1994-03-01 00:00:00

abstract：:The absorption, protein binding, blood-to-plasma ratio, renal excretion, and pharmacokinetics of the dopamine-2 agonists (D2-agonists) 4-(2-di-n-propylaminoethyl)-7-hydroxy-2-(3H)-indolone (1), N-(2'-hydroxy-5'-[N,N-di-n-propylaminoethylphenyl])methanesulfonamide (2), and 4-(2-di-n-propylaminoethyl)-2-(3H)-indolone (3...

journal_title：Journal of pharmaceutical sciences

authors： Swagzdis JE,Wittendorf RW,DeMarinis RM,Mico BA

更新日期：1986-10-01 00:00:00

abstract：:Several Several 10-(1-acetyl-4-arylthiosemicarbazido) phenothiazines and their corresponding cyclized 10-(2-arylimino-3-acetylamino-4-thiazolidonyl)phenothiazines were synthetized and characterized by their sharp melting points and elemental analyses. All compounds inhibited nicotinamide adenine dinucleotide (NAD)-dep...

journal_title：Journal of pharmaceutical sciences

authors： Singh SP,Ali B,Auyong TK,Parmar SS,De Boer B

更新日期：1976-03-01 00:00:00

abstract：:There is a need to evaluate the permeability of human ulcerated tissue and periulcer tissue in order to assess the possible treatment of such a localized pathological lesion with a topical therapy. In vitro percutaneous absorption studies were undertaken to evaluate an animal model that may mimic this clinical situati...

journal_title：Journal of pharmaceutical sciences

authors： Walker M,Hulme TA,Rippon MG,Walmsley RS,Gunnigle S,Lewin M,Winsey S

更新日期：1997-12-01 00:00:00

abstract：:Sol-to-gel systems of ciprofloxacin hydrochloride were prepared utilizing the phase transition properties of hydroxy propyl methyl cellulose K 15 M grade (HPMC) and carbopol 934. The sol-to-gel systems were sterilized by gamma radiation and/or filtration. The sol-to-gel systems were evaluated for rheological character...

journal_title：Journal of pharmaceutical sciences

authors： Charoo NA,Kohli K,Ali A

更新日期：2003-02-01 00:00:00

abstract：:Bile acid (BA) retention within hepatocytes is an underlying mechanism of cholestatic drug-induced liver injury (DILI). We previously developed an assay using sandwich-cultured human hepatocytes (SCHHs) to evaluate drug-induced hepatocyte toxicity accompanying intracellular BA accumulation. However, due to shortcoming...

journal_title：Journal of pharmaceutical sciences

authors： Susukida T,Sekine S,Nozaki M,Tokizono M,Oizumi K,Horie T,Ito K

更新日期：2016-04-01 00:00:00

abstract：:An in vitro technique was developed to characterize the intermittent flume patterns associated with the short bursts of metered-dose aerosols. Two orthogonal video images are utilized to describe the complex shape and direction of the flume pattern. This technique facilitates the evaluation of components manufactured ...

journal_title：Journal of pharmaceutical sciences

authors： Miszuk S,Gupta BM,Chen FC,Clawans C,Knapp JZ

更新日期：1980-06-01 00:00:00

abstract：:The axial and radial tensile strengths were compared to the hardness of compressed tablets containing various concentrations of lubricants. Since radial tensile strength measurement considers the thickness of a tablet, and only tensile stress and axial tensile strength express the strength in the direction in which ca...

journal_title：Journal of pharmaceutical sciences

authors： Jarosz PJ,Parrott EL

更新日期：1982-06-01 00:00:00

abstract：:During stability studies at high temperature (70 degrees C) and low relative humidity ( approximately 0%), the recovery of an asparagine containing hexapeptide (VYPNGA) and its known deamidation products from solid polyvinylpyrrolidone (PVP) matrices was incomplete. To determine the causes of this mass loss, formulati...

journal_title：Journal of pharmaceutical sciences

authors： D'Souza AJ,Schowen RL,Borchardt RT,Salsbury JS,Munson EJ,Topp EM

更新日期：2003-03-01 00:00:00

abstract：:The penetration of benzyl alcohol (BA) through split-thickness cadaver skin was measured in nonoccluded Franz cells placed in a fume hood. BA, dissolved in a small volume of ethanol and spiked with (14)C radiolabel, was applied to skin at nine doses ranging from 0.9 to 10600 microg/cm(2). The percentage of radioactivi...

journal_title：Journal of pharmaceutical sciences

authors： Miller MA,Bhatt V,Kasting GB

更新日期：2006-02-01 00:00:00

abstract：:During the drying process of a wet granulate, water-soluble compounds can migrate to the outer layers of the granule with the evaporating solvent. This migration can affect structural and mechanical characteristics of the granules as the solute accumulates on the granule's outer crust. The objective of this study was ...

journal_title：Journal of pharmaceutical sciences

authors： Poutiainen S,Honkanen M,Becker J,Nachtweide D,Järvinen K,Ketolainen J

更新日期：2012-04-01 00:00:00

abstract：:Various novel diesters of pilocarpic acid were synthesized and evaluated as prodrug forms for pilocarpine with the aim of improving the ocular delivery characteristics of the drug. The pilocarpic acid monoesters previously studied cyclized spontaneously to pilocarpine in aqueous solution and although they showed enhan...

journal_title：Journal of pharmaceutical sciences

authors： Bundgaard H,Falch E,Larsen C,Mosher GL,Mikkelson TJ

更新日期：1986-08-01 00:00:00

abstract：:The interaction between sulfadimethoxine and tolbutamide in sheep involving displacement from protein binding sites was investigated quantitatively. A 52% increase in the unbound plasma concentration of tolbutamide was observed in vitro at 37 degrees after the addition of sulfadimethoxine (100 microgram/ml) to sheep p...

journal_title：Journal of pharmaceutical sciences

authors： Thiessen JJ,Rowland M

更新日期：1977-08-01 00:00:00