Quantitative TLC determination of propranolol in human plasma.

abstract：:The mechanism of organic solvent evaporation during microencapsulation and its role during microsphere hardening has been investigated. Evaporation and encapsulation studies were carried out in a jacketed beaker, filled with aqueous hardening solution, which was maintained at constant temperature and constant stirring...

journal_title：Journal of pharmaceutical sciences

authors： Wang J,Schwendeman SP

更新日期：1999-10-01 00:00:00

abstract：:The aim of this work was to evaluate the low molecular weight chitosans (LMWCs) as enhancers of transdermal administration of baicalin, an useful drug for the treatment of atopic dermatitis, viral hepatitis, and HIV infection. Permeation experiments were performed in vitro through mouse skin by using Franz cells. Impr...

journal_title：Journal of pharmaceutical sciences

authors： Zhou X,Liu D,Liu H,Yang Q,Yao K,Wang X,Wang L,Yang X

更新日期：2010-07-01 00:00:00

abstract：:The dissolution rates of a number of drug-urethan solid-state dispersion systems were studied. A marked enhancement of the initial dissolution rates of several poorly water-soluble drugs was found when they were incorporated into a urethan matrix by heat fusion. These differences were considerable when pure substances...

journal_title：Journal of pharmaceutical sciences

authors： Maulding HV

更新日期：1978-03-01 00:00:00

abstract：:We characterized a glucose-sensitive, controlled-release insulin delivery system. Insulin release rates increased when glucose was perfused in the release media surrounding the matrix. The system was composed of solid, particulate insulin, incorporated into an ethylene-vinyl acetate copolymer (EVAc) matrix. Feedback c...

journal_title：Journal of pharmaceutical sciences

authors： Brown LR,Edelman ER,Fischel-Ghodsian F,Langer R

更新日期：1996-12-01 00:00:00

abstract：:Prostaglandin F2 alpha was administered intraamniotically to 132 mid-first trimester gravidas to determine the dose-24-hour abortifacient response relationship. Single doses between 15-50 mg and multiple doses between 15-25 mg were administered to 3 groups each, the latter regimen at 6-hour intervals. Trials were de...

journal_title：Journal of pharmaceutical sciences

authors： Brenner WE,Hendricks CH,Fishburne JI Jr,Staurovsky L,Braaksma J,Taft R

更新日期：1973-08-01 00:00:00

abstract：:Nosocomial diarrhea and pseudomembranous colitis causing toxins A and B from Clostridium difficile were studied at pH 5-8 and over the temperature range of 10-85 degrees C. The proteins were crosslinked with formaldehyde to inactivate them to toxoid forms and permit their use as vaccines. Structural changes and aggreg...

journal_title：Journal of pharmaceutical sciences

authors： Salnikova MS,Joshi SB,Rytting JH,Warny M,Middaugh CR

更新日期：2008-09-01 00:00:00

abstract：:Although many biotech products are successfully stored in the frozen state, there are cases of degradation of biologicals during freeze storage. These examples are discussed in the Perspective to emphasize the fact that stability of frozen biologicals should not be taken for granted. Frozen-state degradation (predomin...

journal_title：Journal of pharmaceutical sciences

authors： Authelin JR,Rodrigues MA,Tchessalov S,Singh SK,McCoy T,Wang S,Shalaev E

更新日期：2020-01-01 00:00:00

abstract：:Griseofulvin/cyclodextrin interactions were investigated in aqueous environment and in solid state. Two cyclodextrin derivatives (beta-cyclodextrin and 2-hydroxypropyl beta-cyclodextrin) were used to prepare different physical mixtures and kneaded systems, and the drug/cyclodextrin ratios were 1:1 and 1:2 mol/mol. Sca...

journal_title：Journal of pharmaceutical sciences

authors： Veiga MD,Díaz PJ,Ahsan F

更新日期：1998-07-01 00:00:00

abstract：:High-field (300 MHz) 1H NMR spectral analyses are reported for various sodium or calcium heparin products available on the Canadian market. Dermatan sulfate (chondroitin sulfate B) was detected as a contaminant in virtually all of these products. Its content varied among the suppliers from less than 1 to 15%, and also...

journal_title：Journal of pharmaceutical sciences

authors： Neville GA,Mori F,Holme KR,Perlin AS

更新日期：1989-02-01 00:00:00

abstract：:The viscosity of xanthan gum solutions in the low shear region was investigated with the aid of a Couette instrument. All solutions were highly pseudoplastic . Solutions containing 0.3-0.5% of the gum exhibited a highly ordered phase at very low shear. Viscosity, the degree of pseudoplasticity , and the value of the t...

journal_title：Journal of pharmaceutical sciences

authors： Zatz JL,Knapp S

更新日期：1984-04-01 00:00:00

abstract：:Mathematical models were determined relating preservative concentration and D values (decimal reduction times at 25 degrees C; pH 6.9-7.1) against Escherichia coli in aqueous medium. Preservatives investigated were 2-bromo-2-nitro-1,3-propanediol (Bronopol), N-(hydroxymethyl)-N-(1,3-dihydroxymethyl-2, 5-dioxo-4-imidaz...

journal_title：Journal of pharmaceutical sciences

authors： Hurwitz SJ,McCarthy TJ

更新日期：1985-08-01 00:00:00

abstract：:To reduce the inherent variability in serum uric acid levels of animals allowed ad libitum exposure to food containing potassium oxonate and uric acid, male Sprague-Dawley rats were trained to eat their daily food allotment in a 1.25-hr period each morning. After training the rats were fed a food mixture containing 5%...

journal_title：Journal of pharmaceutical sciences

authors： Newburger J,Hsu TF,Combs AB

更新日期：1979-05-01 00:00:00

abstract：:A series of substituted 3-(benzylideneamino) coumarins was synthesized and evaluated for anti-inflammatory activity against carrageenan-induced edema in rats. Halogenated derivatives 4g and 4c, at oral doses of 100 mg/kg, showed 75 and 60% antiedmatous activity, respectively (phenylbutazone antiedematous activity, 58%...

journal_title：Journal of pharmaceutical sciences

authors： Maddi V,Raghu KS,Rao MN

更新日期：1992-09-01 00:00:00

abstract：:In pharmacokinetic evaluation of mice, using serial sampling methods rather than a terminal blood sampling method could reduce the number of animals needed and lead to more reliable data by excluding individual differences. In addition, using serial sampling methods can be valuable for evaluation of the drug-drug inte...

journal_title：Journal of pharmaceutical sciences

authors： Watanabe A,Watari R,Ogawa K,Shimizu R,Tanaka Y,Takai N,Nezasa K,Yamaguchi Y

更新日期：2015-03-01 00:00:00

abstract：:A randomized, two-way, crossover study was performed on 18 normal volunteers to assess the influence of food on the bioavailability of lisinopril, (1-[N2-[(S)-1-carboxy-3-phenylpropyl]-L-lysyl]-L-proline), a long-acting nonsulfhydryl angiotensin converting enzyme inhibitor. A single, 20-mg oral dose of lisinopril was ...

journal_title：Journal of pharmaceutical sciences

authors： Mojaverian P,Rocci ML Jr,Vlasses PH,Hoholick C,Clementi RA,Ferguson RK

更新日期：1986-04-01 00:00:00

abstract：:Polymer shielded liposomes were investigated as detoxifying agents for the weak bases imipramine and dosulepin and the diprotic drug opipramol. In vitro binding measurements in the presence of human serum samples revealed that the liposomes reduced the free drug concentration of the weak bases (corrected for protein b...

journal_title：Journal of pharmaceutical sciences

authors： Howell BA,Chauhan A

更新日期：2009-10-01 00:00:00

abstract：:After having been used in treating HIV infection for a decade, zidovudine (AZT) continues to be an essential component of antiretroviral regimens. Because antiviral responses and toxicity of AZT seem to be related to cells in specific target tissues, being able to understand and predict the distribution of AZT into di...

journal_title：Journal of pharmaceutical sciences

authors： Chow HH

更新日期：1997-11-01 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：:Delayed absorption of nifedipine when administered as a 20 mg immediate release soft gelatin capsule to fasted volunteers has been reported. Physiologically based pharmacokinetic (PBPK) modeling and in vitro dissolution data were used to explore our hypothesis that at high doses of nifedipine it precipitates in the st...

journal_title：Journal of pharmaceutical sciences

authors： Thelen K,Jantratid E,Dressman JB,Lippert J,Willmann S

更新日期：2010-06-01 00:00:00

abstract：:This article discusses the evaluation of drug candidates as hepatic transporter substrates. Recently, research on the applications of hepatic transporters in the pharmaceutical industry has improved to meet the requirements of the regulatory guidelines for the evaluation of drug interactions. To identify the risk of t...

journal_title：Journal of pharmaceutical sciences

authors： Okudaira N

更新日期：2017-09-01 00:00:00

abstract：:A new mucoadhesive tablet, which releases natural active agents for pain reduction and rapid healing of canker sores, has been prepared and characterized. Adhesive tablets were prepared by compression molding of mixed powders of crosslinked polyacrylic acid and hydroxypropyl cellulose, absorbed with citrus oil and mag...

journal_title：Journal of pharmaceutical sciences

authors： Mizrahi B,Golenser J,Wolnerman JS,Domb AJ

更新日期：2004-12-01 00:00:00

abstract：:The quantitative determinations of phenol in phenolated calamine lotion USP and of phenol and resorcinol in phenol-resorcinol-boric acid solution by high-pressure liquid chromatography are reported. The procedures are simple, rapid (no special preliminary treatment is required), and accurate. There is no interference ...

journal_title：Journal of pharmaceutical sciences

authors： Das Gupta V

更新日期：1976-11-01 00:00:00

abstract：:The distribution conditions in oil-water emulsions prepared by emulsifying a 1:1 eutectic mixture of lidocaine and prilocaine with a nonionic surfactant in water were studied by membrane and gel filtration methods. In this system, the local anesthetics are considered to be freely dissolved, surfactant solubilized, and...

journal_title：Journal of pharmaceutical sciences

authors： Nyqvist-Mayer AA,Brodin AF,Frank SG

更新日期：1985-11-01 00:00:00

abstract：:A procedure for the determination of mianserin, desmethylmianserin, and 8-hydroxymianserin in plasma at therapeutic concentrations by liquid chromatography with electrochemical detection is described. Following a multiple-step extraction from alkaline plasma into methyl-tert-butyl ether, the reconstituted extract was ...

journal_title：Journal of pharmaceutical sciences

authors： Suckow RF,Cooper TB,Quitkin FM,Stewart JW

更新日期：1982-08-01 00:00:00

abstract：:Alzheimer's disease (AD) is historically difficult to treat, in part because of the inaccessible nature of brain pathology. Amyloid beta and tau proteins drive pathology by forming toxic oligomers that eventually deposit as insoluble amyloid plaques and neurofibrillary tangles. Recent clinical studies suggest that eff...

journal_title：Journal of pharmaceutical sciences

authors： Vander Zanden CM,Chi EY

更新日期：2020-01-01 00:00:00

abstract：:Two nonporous and three porous amorphous silicas were used as dispersion media to convert corticoid solutions into free-flowing powders. The corticoids (prednisone, prednisolone, and hydrocortisone) were dissolved in N,N-dimethylacetamide-polyethylene glycol 400 (7:3 v/v) and their 10% (w/v) solutions were mixed with ...

journal_title：Journal of pharmaceutical sciences

authors： Liao CC,Jarowski CI

更新日期：1984-03-01 00:00:00

abstract：:The kinetics of decomposition of the following conformationally restricted N-chloro-alpha-amino acids were studied: 1-amino-1-cyclopentanecarboxylic acid (2), 1-amino-1-cyclohexanecarboxylic acid (4), 2-amino-2-norbornanecarboxylic acid (6), and 2-amino-2-benzonorbornanecarboxylic acid (8). The first-order rate consta...

journal_title：Journal of pharmaceutical sciences

authors： Awad R,Hussain A,Crooks PA

更新日期：1990-12-01 00:00:00

abstract：:Baclofen, a widely used antispastic agent, has been found to exist in two crystalline forms, the anhydrate and monohydrate. The aim of this study was (1) to identify and characterize these two solid phases of baclofen, and (2) to examine the processing-induced phase transformations associated with wet granulation of b...

journal_title：Journal of pharmaceutical sciences

authors： Mirza S,Miroshnyk I,Rantanen J,Aaltonen J,Harjula P,Kiljunen E,Heinämäki J,Yliruusi J

更新日期：2007-09-01 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：:Bisphosphonates are widely used for the treatment of bone diseases, including hypercalcemia and osteoporosis. However, the bioavailability (BA) of orally administered bisphosphonates is low, at approximately 0.9%-1.8%. In addition, the oral administration of bisphosphonates is associated with mucosal damage, including...

journal_title：Journal of pharmaceutical sciences

authors： Katsumi H,Takashima M,Sano J,Nishiyama K,Kitamura N,Sakane T,Hibi T,Yamamoto A

更新日期：2011-09-01 00:00:00