The use of xanthan gum in an ophthalmic liquid dosage form: rheological characterization of the interaction with mucin.

abstract：:Understanding the coating unit operation is imperative to improve product quality and reduce output risks for coated solid dosage forms. Three batches of sustained-release tablets coated with the same process parameters (pan speed, spray rate, etc.) were subjected to terahertz pulsed imaging (TPI) analysis followed by...

journal_title：Journal of pharmaceutical sciences

authors： Ho L,Müller R,Gordon KC,Kleinebudde P,Pepper M,Rades T,Shen Y,Taday PF,Zeitler JA

更新日期：2009-12-01 00:00:00

abstract：:Profiles of the steady-state concentrations of haloperidol (HL) and its major metabolite, reduced haloperidol (RHL), in plasma versus time were determined in 10 Japanese patients whose schizophrenic symptoms were clinically controlled by fixed, oral maintenance doses (4-30 mg/day, three times a day) for greater than 4...

journal_title：Journal of pharmaceutical sciences

authors： Uematsu T,Matsuno H,Sato H,Hirayama H,Hasegawa K,Nakashima M

更新日期：1992-10-01 00:00:00

abstract：:The effects of chlorpromazine, prochlorperazine, and trifluoperazine on the pressor actions of serotonin, angiotensin, and bradykinin in the perfused vessels of full-term human placentas were investigated. A significant inhibition of the effect of serotonin was observed with trifluoperazine and chlorpromazine but not ...

journal_title：Journal of pharmaceutical sciences

authors： Wolstenholme WW,Gautieri RF

更新日期：1976-10-01 00:00:00

abstract：:The purpose of the study was to characterize mucosal attachment of a cationized model protein, bovine serum albumin (BSA), onto the various fractions of colonic crypts epithelium in the rat. BSA was labeled with fluorescein isothiocyanate (FITC) and its surface net electric charge was modified from negative to positiv...

journal_title：Journal of pharmaceutical sciences

authors： Blau S,Levin N,Schwartz B,Rubinstein A

更新日期：2001-10-01 00:00:00

abstract：:A high-pressure liquid chromatographic method for the sensitive, rapid, and specific determination of sulfapyridine and its N-acetyl derivative in plasma and saliva was developed. A cyano-bonded, reversed-phase, high efficiency column was used. The system detected these sulfonamides in serum to 0.25 mg/liter and withi...

journal_title：Journal of pharmaceutical sciences

authors： Owerbach J,Johnson NF,Bates TR,Pieniaszek HJ Jr,Jusko WJ

更新日期：1978-09-01 00:00:00

abstract：:The stereospecificity of the metabolic reduction of arylalkylketones was investigated. The ketones, propiophenone (I), phenyl-acetone (III), and 1-phenyl-1,2-propanedione (V) were reduced in vitro and in vivo in rats and rabbits to the corresponding alcohols, 1-phenyl-1-propanol (II), 1-phenyl-2-propanol (IV), and 1-p...

journal_title：Journal of pharmaceutical sciences

authors： Prelusky DB,Coutts RT,Pasutto FM

更新日期：1982-12-01 00:00:00

abstract：:A dermal penetration enhancer has been found which improves the dermal delivery of a wide variety of drugs and at the same time has a history of low toxicity for human dermal application. N,N-Diethyl-m-toluamide (I) has been shown to improve the delivery of many drugs through hairless mouse skin in an in vitro diffusi...

journal_title：Journal of pharmaceutical sciences

authors： Windheuser JJ,Haslam JL,Caldwell L,Shaffer RD

更新日期：1982-11-01 00:00:00

abstract：:A specific and reproducible high-performance liquid chromatographic (HPLC) procedure was developed for the quantitative analysis of carboplatin (JM-8) in dog plasma ultrafiltrate. Plasma ultrafiltrate samples were generated using Amicon Centrifree micropartition systems or Amicon Centriflo cones, and injected onto a m...

journal_title：Journal of pharmaceutical sciences

authors： Duncan GF,Faulkner HC 3rd,Farmen RH,Pittman KA

更新日期：1988-03-01 00:00:00

abstract：:The silicon phthalocyanine Pc 4 is a second-generation photosensitizer that has several properties superior to other photosensitizers currently approved by the FDA, and it has shown significant promise for photodynamic therapy (PDT) in several cancer cells in vitro and model tumor systems in vivo. However, because of ...

journal_title：Journal of pharmaceutical sciences

authors： Master AM,Rodriguez ME,Kenney ME,Oleinick NL,Gupta AS

更新日期：2010-05-01 00:00:00

abstract：:Two natural products isolated from the plant Daphne genkwa have been shown to possess antileukemic activity in mice. Genkwadaphnin and yuanhuacine were observed to inhibit DNA and protein synthesis in P-388 leukemic cells. A detailed study of the effects of these two diterpene esters on protein synthesis of leukemic c...

journal_title：Journal of pharmaceutical sciences

authors： Liou YF,Hall IH,Lee KH

更新日期：1982-12-01 00:00:00

abstract：:Flumizole is a potent anti-inflammatory agent in animal models with an inhibitory activity severalfold that of indomethacin in rat foot edema and prostaglandin synthetase tests. The drug was well absorbed from the GI tract when administered in the solution used in pharmacological assays. However, markedly poorer absor...

journal_title：Journal of pharmaceutical sciences

authors： Wiseman EH,McIlhenny HM,Bettis JW

更新日期：1975-09-01 00:00:00

abstract：:Cytochrome P450 1B1 (CYP1B1) has been reported to have a major role in metabolizing arachidonic acid (AA) into cardiotoxic metabolites, mid-chain hydroxyeicosatetraenoic acids (HETEs). Recently, we have shown that fluconazole decreases the level of mid-chain HETEs in human liver microsomes. Therefore, the objectives o...

journal_title：Journal of pharmaceutical sciences

authors： Alammari AH,Shoieb SM,Maayah ZH,El-Kadi AOS

更新日期：2020-07-01 00:00:00

abstract：:The pharmacokinetics of fluorouracil were examined after single 250-mg iv doses and 500-mg oral doses to female patients with breast cancer. In five patients who received intravenous fluorouracil, the mean peak plasma level of unchanged drug was 13.4 microgram/ml, the elimination half-life was 6.3 min, and the plasma ...

journal_title：Journal of pharmaceutical sciences

authors： Phillips TA,Howell A,Grieve RJ,Welling PG

更新日期：1980-12-01 00:00:00

abstract：:The purpose of this study was to elucidate the effect of heat treatment on the miscibility of multiple concentrated solutes that mimic biopharmaceutical formulations in frozen solutions. The first heating thermal analysis of frozen solutions containing either a low-molecular-weight saccharide (e.g., sucrose, trehalose...

journal_title：Journal of pharmaceutical sciences

authors： Izutsu K,Yomota C,Kawanishi T

更新日期：2011-12-01 00:00:00

abstract：:Analytical methods based on the title reactions are reviewed, and the malonic acid-acetic anhydride system was selected for detailed study. It is postulated that carbon suboxide, O = C = C = C = O, formed by the action of acetic anhydride on malonic acid, is the effective reactive species in this system. Carbon suboxi...

journal_title：Journal of pharmaceutical sciences

authors： Connors KA,Ifan A

更新日期：1987-10-01 00:00:00

abstract：:Dose individualization is essential in epilepsy treatment, especially in antiepileptic drugs that present high interindividual variability such as lamotrigine. We aimed an observational study to develop a population pharmacokinetic model for quantitative evaluation of the factors that influence lamotrigine pharmacokin...

journal_title：Journal of pharmaceutical sciences

authors： Chávez-Castillo CE,Medellín-Garibay SE,Milán-Segovia RDC,Rodríguez-Leyva I,Romano-Moreno S

更新日期：2020-09-01 00:00:00

abstract：:Solubilization of nonpolar drugs constitutes one of the most important tasks in parenteral formulations design. This study investigates and assesses the solubility enhancement of Fluasterone by various techniques including cosolvency, micellization, and complexation. Of the solubilizing agents used, the modified beta-...

journal_title：Journal of pharmaceutical sciences

authors： Zhao L,Li P,Yalkowsky SH

更新日期：1999-10-01 00:00:00

abstract：:Fluconazole concentrations in biological fluids were determined by high-performance gas chromatography. A simple extraction procedure with chloroform, under basic conditions and after the addition of UK-47,265 as the internal standard and with no evaporation stage, was carried out prior to analysis. A solid injector a...

journal_title：Journal of pharmaceutical sciences

authors： Debruyne D,Ryckelynck JP,Bigot MC,Moulin M

更新日期：1988-06-01 00:00:00

abstract：:Crystallization of polymorphs still has a touch of art, as even prior observations of polymorphs do not guarantee their crystallization. However, once crystals of various polymorphs have been obtained, their relative stabilities can be established with a straightforward thermodynamic approach even if the conclusion wi...

journal_title：Journal of pharmaceutical sciences

authors： Rietveld IB,Céolin R

更新日期：2015-12-01 00:00:00

abstract：:There is a growing clinical interest in developing and commercializing pharmaceutical-grade cannabinoid products, containing primarily tetrahydrocannabinol (THC) and cannabidiol (CBD). The oral bioavailability of THC and CBD is very low due to extensive "first-pass" metabolism. A novel oral THC and CBD formulation, PT...

journal_title：Journal of pharmaceutical sciences

authors： Atsmon J,Cherniakov I,Izgelov D,Hoffman A,Domb AJ,Deutsch L,Deutsch F,Heffetz D,Sacks H

更新日期：2018-05-01 00:00:00

abstract：:The objective of the present study was to investigate the iontophoretic transport behavior across multiple membranes of different barrier properties. Spectra/Por(R) (SP) and Ionac membranes were the synthetic membranes and sclera was the biomembrane in this model study. The barrier properties of SP membranes were dete...

journal_title：Journal of pharmaceutical sciences

authors： Molokhia SA,Zhang Y,Higuchi WI,Li SK

更新日期：2008-01-01 00:00:00

abstract：:The interaction of L-tryptophan with alpha-cyclodextrin was investigated in a 0.1 M phosphate buffer at pH 7.4 with a LKB 2277 microcalorimeter, using flow mixed mode at 25 degrees C. The thermodynamic parameters for inclusion complex formation obtained are as follows; DeltaG(0) = - 7.03 kJ/mol (K = 17.0), DeltaH(0) =...

journal_title：Journal of pharmaceutical sciences

authors： Nishijo J,Tsuchitani M

更新日期：2001-02-01 00:00:00

abstract：:Gelrite, a heteropolysaccharide that forms a gel in the presence of cations, was tested in humans for its efficacy as an ophthalmic vehicle by a nonivasive fluorometric technique. Fluorescein was used as the tracer, and its concentration in the anterior chamber was used as the principal measure of bioavailability. The...

journal_title：Journal of pharmaceutical sciences

authors： Maurice DM,Srinivas SP

更新日期：1992-07-01 00:00:00

abstract：:Metronidazole and four derivatives were studied in vitro to investigate the differences in the extent of their binding to plasma proteins. Modification at the terminal portion of the alkyl side chain resulted in wide differences in the extent of binding. Molecular orbital calculations were performed by the CNDO and MI...

journal_title：Journal of pharmaceutical sciences

authors： Sanvordeker DR,Chien YW,Lin TK,Lambert HJ

更新日期：1975-11-01 00:00:00

abstract：:Melanotan-II (1) is a cyclic heptapeptide analogue of alpha-melanocyte-stimulating hormone (alpha-MSH) which tans the skin and is currently being evaluated for the prevention of sunlight-induced skin cancers. The dissociation constants of 1 were determined using potentiometric titration and ultraviolet spectrophotomet...

journal_title：Journal of pharmaceutical sciences

authors： Lan EL,Ugwu SO,Blanchard J,Fang X,Hruby VJ,Sharma S

更新日期：1994-08-01 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：:The promoting efficacies of N-acyl derivatives of amino acids on the rectal absorption of sodium ampicillin were investigated using the rat rectal loop technique. N-Acyl derivatives with longer carbon chains in the acyl moiety showed a greater promoting potency. The promoting potencies of N-acyl derivatives of phenylg...

journal_title：Journal of pharmaceutical sciences

authors： Wu WM,Murakami T,Higashi Y,Yata N

更新日期：1987-07-01 00:00:00

abstract：:Ketoconazole (KTZ) has 2 chiral centers with the therapeutically active form being a racemic mixture of 2 cis-enantiomers, namely, (2R,4S)-(+)-KTZ and (2S,4R)-(-)-KTZ. The aims of the present study were to examine the effects of (+)-KTZ, (-)-KTZ, and (±)-KTZ on aryl hydrocarbon receptor activation and subsequently CYP...

journal_title：Journal of pharmaceutical sciences

authors： Anwar-Mohamed A,El-Sherbeni AA,Hamdy DA,Korashy HM,Brocks DR,El-Kadi AO

更新日期：2016-03-01 00:00:00

abstract：:The pharmacokinetics of tamsulosin (TAM) was investigated using male Sprague-Dawley rats in which plasma alpha(1)-acid glycoprotein (alpha(1)-AGP) levels were elevated by the subcutaneous injection of 0.2 mL/kg of turpentine oil. alpha(1)-AGP levels increased about eight times after turpentine oil treatment, causing a...

journal_title：Journal of pharmaceutical sciences

authors： Matsushima H,Watanabe T,Higuchi S

更新日期：2000-04-01 00:00:00

abstract：:The intrinsic absorption of salbutamol in different intestinal segments of the rat was measured and related with the corresponding intestinal P-glycoprotein (P-gp) expression levels. The apparent absorption rate constants (k(a), h(-1)) observed in each fraction by means of the "in situ" rat gut absorption method after...

journal_title：Journal of pharmaceutical sciences

authors： Valenzuela B,Nácher A,Ruiz-Carretero P,Martín-Villodre A,López-Carballo G,Barettino D

更新日期：2004-06-01 00:00:00