Effect of low molecular weight chitosans on drug permeation through mouse skin: 1. Transdermal delivery of baicalin.

abstract：:The aim of this study was to evaluate a new experimental protocol utilizing isolated frog intestinal sacs for the assessment of intestinal drug permeability in humans. Segments of approximately 5.0 cm in length were used for these experiments. The intestinal sacs were filled with a solution of the appropriate drug in ...

journal_title：Journal of pharmaceutical sciences

authors： Trapani G,Franco M,Trapani A,Lopedota A,Latrofa A,Gallucci E,Micelli S,Liso G

更新日期：2004-12-01 00:00:00

abstract：:Polymethyl [1-14C]methacrylate nanoparticles were administered orally to bile cannulated rats. Ten to fifteen percent of the administered radioactivity was absorbed and found in the bile and urine. Within 48 h, 94-97% of the absorbed radioactivity had been eliminated from the body. After 8 d, the highest residual radi...

journal_title：Journal of pharmaceutical sciences

authors： Nefzger M,Kreuter J,Voges R,Liehl E,Czok R

更新日期：1984-09-01 00:00:00

abstract：:Plasma levels were determined frequently after single doses of perfluorooctyl bromide were administered to beagle dogs at doses of either 30.8 g/kg po or 3.9 g/kg intratracheally. The apparent first-order half-life during the terminal elimination phase was about 1 day after oral medication and about 7 days after intra...

journal_title：Journal of pharmaceutical sciences

authors： Lee FH,Scrime M,Edelson J

更新日期：1978-07-01 00:00:00

abstract：:This paper traces the academic genealogy of Professor Takeru Higuchi, who is considered "The Father of Physical Pharmacy" because of his contributions to the science of drug formulation and delivery and his impact in mentoring a whole generation of post-World War II pharmaceutical scientists. As one who was mentored b...

journal_title：Journal of pharmaceutical sciences

authors： Stella VJ

更新日期：2001-08-01 00:00:00

abstract：:HPLC analysis confirmed a difference in the chemical composition of commercial versus NF reference standard potassium guaiacolsulfonate. After separation by fractional crystallization, the two constituents comprising the former sample were identified by 1H-NMR as potassium guaiacol-4- and -5-sulfonate, respectively. T...

journal_title：Journal of pharmaceutical sciences

authors： Tangtatsawasdi P,Krikorian SE

更新日期：1984-09-01 00:00:00

abstract：:The advisability of a progressive curtailment of organic solvent film coating offers an incentive to develop latex systems. Here, the use of aqueous colloidal dispersions of cellulose acetate, plasticized with water-soluble additives, is proposed as an alternative way to obtain cellulose acetate membranes either by ca...

journal_title：Journal of pharmaceutical sciences

authors： Bindschaedler C,Gurny R,Doelker E

更新日期：1987-06-01 00:00:00

abstract：:A procedure is described for TLC detection and differentiation of the butyrophenone-diphenylbutylpiperidine group and phenothiazine derivatives at the microgram level. A two-dimensional TLC method to separate butyrophenone and diphenylbutylpiperidine compounds is reported. A variety of possible detection reagents were...

journal_title：Journal of pharmaceutical sciences

authors： Pluym A

更新日期：1979-08-01 00:00:00

abstract：:An immune response for a nasal ovalbumin (OVA) powder formulation with an applied nasal delivery platform technology, consisting of a powdery nasal carrier and a device, was evaluated in monkeys with similar upper respiratory tracts and immune systems to those of humans, in order to assess the applicability to a vacci...

journal_title：Journal of pharmaceutical sciences

authors： Torikai Y,Sasaki Y,Sasaki K,Kyuno A,Haruta S,Tanimoto A

更新日期：2020-12-03 00:00:00

abstract：:It is now becoming apparent that a common pathway of protein aggregation involves the unimolecular structural rearrangement from the native state to a slightly expanded aggregation-competent species. It is the goal of this study to understand the aggregation and the effects of buffer on the stability of IFN-tau. In th...

journal_title：Journal of pharmaceutical sciences

authors： Katayama DS,Nayar R,Chou DK,Valente JJ,Cooper J,Henry CS,Vander Velde DG,Villarete L,Liu CP,Manning MC

更新日期：2006-06-01 00:00:00

abstract：:The reaction of UICEL-A/102, a cellulose II powder recently prepared from Avicel(R) PH-102 by treatment with an aqueous sodium hydroxide solution, with glutaraldehyde in 0.01 N HCl has been investigated to improve its binder properties, without adversely affecting the rapid disintegration characteristic. The results s...

journal_title：Journal of pharmaceutical sciences

authors： de la Luz Reus Medina M,Kumar V

更新日期：2007-02-01 00:00:00

abstract：:Alkyl esters of ketorolac were synthesized as potential prodrugs for transdermal delivery and evaluated to determine the relationship between their skin permeation characteristics and their physicochemical properties. Solubility of the prodrugs in various vehicles was determined at room temperature while lipophilicity...

journal_title：Journal of pharmaceutical sciences

authors： Doh HJ,Cho WJ,Yong CS,Choi HG,Kim JS,Lee CH,Kim DD

更新日期：2003-05-01 00:00:00

abstract：:The pathogenic bacterium Staphylococcus aureus can penetrate host cells. However, intracellular S. aureus is not considered during antimicrobial agent selection in clinical chemotherapy because of the lack of information about drug transportability into cells in vivo. We focused on agents used to treat methicillin-res...

journal_title：Journal of pharmaceutical sciences

authors： Kobuchi S,Kita Y,Hiramatsu Y,Sasaki K,Uno T,Ito Y,Sakaeda T

更新日期：2021-02-01 00:00:00

abstract：:Cyclosporin A (CyA) interacts with lipid membranes. Binding reaction and membrane location of CyA and analogs were examined with 2H-NMR, high-sensitivity isothermal titration calorimetry (ITC), and CD spectroscopy. Effects of CyA and charged analogs on the phosphocholine head group and on the membrane interior were in...

journal_title：Journal of pharmaceutical sciences

authors： Schote U,Ganz P,Fahr A,Seelig J

更新日期：2002-03-01 00:00:00

abstract：:The problem of optimizing ocular bioavailability of topically applied ophthalmic drugs is discussed. A formula for drug concentration in the tear film is derived using well-known pharmacokinetic relationships and a first-order drug decay model for the tear film. The time integral of the tear film concentration is then...

journal_title：Journal of pharmaceutical sciences

authors： Keister JC,Cooper ER,Missel PJ,Lang JC,Hager DF

更新日期：1991-01-01 00:00:00

abstract：:Previously, 1 mL of purified water (hyposmotic) or saline (isosmotic) which dissolved 200 μM of FITC-dextran (FD-4), a nonabsorbable marker, was orally administered to rats, and luminal concentration-time profile of FD-4 was directly measured. In this study, at first, luminal FD-4 concentration was measured after oral...

journal_title：Journal of pharmaceutical sciences

authors： Tanaka Y,Higashino H,Kataoka M,Yamashita S

更新日期：2020-06-01 00:00:00

abstract：:Present study aims to improve efficiency and capacity of in vivo rat pharmacokinetic studies for rapid assessment of systemic exposure (AUC and C(max)) of new chemical entities. Plasma concentration-time profiles in rats from structurally diverse compounds were extracted from the Pfizer database. AUC(0-8) was calculat...

journal_title：Journal of pharmaceutical sciences

authors： Han HK,Sadagopan N,Reichard GA,Yapa U,Zhu T,Hubbel A,Johnson K,Brodfuehrer J

更新日期：2006-08-01 00:00:00

abstract：:A pharmacokinetic study of the dopamine D2 receptor agonist (S)-(-)-2-(N-propyl-N-(2-thienylethyl)amino)-5-hydroxytetralin+ ++-HCl (N-0923) infused in female cynomolgus monkeys over a 4-h period was carried out at International Research and Development Corporation. The purpose of this study was to estimate the elimina...

journal_title：Journal of pharmaceutical sciences

authors： Walters DR,McConnell WR,Cefali EA

更新日期：1994-05-01 00:00:00

abstract：:A series of mono-, di-, and trimethylated derivatives of 4-chloro- and 4-methoxybenzanilide was synthesized and evaluated for anticonvulsant activity. This series was prepared in the course of studies designed to examine the relationship between anticonvulsant effects and benzamide structure. The compounds were tested...

journal_title：Journal of pharmaceutical sciences

authors： Clark CR,McMillian CL

更新日期：1990-03-01 00:00:00

abstract：:Transformation of polymorph I of clopidogrel hydrogen sulfate (CHS) to polymorph II of CHS during the crystallization was monitored by using in situ measurement of ultrasonic velocity. Drowning-out crystallization using methanol as a solvent and isopropyl alcohol as nonsolvent was carried out. The polymorphs were iden...

journal_title：Journal of pharmaceutical sciences

authors： Kim HJ,Kim KJ

更新日期：2008-10-01 00:00:00

abstract：:Ensuring the health of street-involved children is a growing public health challenge. These children are vulnerable, neglected, and rarely a priority for basic service providers and governments. Sizable populations of street-involved children are present in major urban areas worldwide and current trends in urbanizatio...

journal_title：Journal of pharmaceutical sciences

authors： Osei-Twum JA,Wasan KM

更新日期：2012-10-01 00:00:00

abstract：:In recent years, biotechnologically derived peptide and protein-based drugs have developed into mainstream therapeutic agents. Peptide and protein drugs now constitute a substantial portion of the compounds under preclinical and clinical development in the global pharmaceutical industry. Pharmacokinetic and exposure/r...

journal_title：Journal of pharmaceutical sciences

authors： Tang L,Persky AM,Hochhaus G,Meibohm B

更新日期：2004-09-01 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：:This work investigated the feasibility of developing benznidazole (BZL) tablets, allowing fast, reproducible, and complete drug dissolution, by compressing BZL-Polyethylene Glycol (PEG) 6000 physical mixtures (PMs) and solid dispersions (SDs). SDs were prepared by the solvent evaporation method at different drug:polym...

journal_title：Journal of pharmaceutical sciences

authors： Leonardi D,Salomon CJ

更新日期：2013-03-01 00:00:00

abstract：:The chromatographic retention behavior of dextromethorphan hydrobromide on an octadecylsilane column was investigated as a function of the pairing ion and the mobile phase composition. Dramatic increases in the capacity factor were observed with pairing ions containing more than eight carbons and with decreasing organ...

journal_title：Journal of pharmaceutical sciences

authors： Kubiak EJ,Munson JW

更新日期：1980-12-01 00:00:00

abstract：:The synthesis, local anesthetic and antiarrhythmic properties, and CNS toxicity of 14 2-(3-alkylaminoalkylamido)-pyrroles are described. Most of the compounds exhibited local anesthetic activity by the guinea pig wheal test, with seven showing comparable or greater activity than lidocaine. Most compounds also exhibite...

journal_title：Journal of pharmaceutical sciences

authors： Sowell JW Sr,Block AJ,Derrick ME,Freeman JJ,Kosh JW,Mubarak PF,Tenthorey PA

更新日期：1981-05-01 00:00:00

abstract：:Repeated acetaminophen (AP) administration modulates intestinal P-glycoprotein (P-gp) expression. Whether AP can modulate P-gp activity in a short-term fashion is unknown. We investigated the acute effect of AP on rat intestinal P-gp activity in vivo and in vitro. In everted intestinal sacs, AP inhibited serosal-mucos...

journal_title：Journal of pharmaceutical sciences

authors： Novak A,Carpini GD,Ruiz ML,Luquita MG,Rubio MC,Mottino AD,Ghanem CI

更新日期：2013-10-01 00:00:00

abstract：:This investigation was designed to quantitate and compare in the rat the oral absorption characteristics of micronized griseofulvin from a corn oil-in-water emulsion dosage form containing suspended drug and a control aqueous suspension after single-dose (50 mg/kg) and multiple-dose (50 mg/kg every 12 hr for five dose...

journal_title：Journal of pharmaceutical sciences

authors： Bates TR,Carrigan PJ

更新日期：1975-09-01 00:00:00

abstract：:The effects of milling and compression on the solid-state Maillard reaction between metoclopramide hydrochloride and lactose were investigated. Anhydrous metoclopramide hydrochloride was milled for various times, and then mixed with amorphous lactose. The mixtures were stored at 105 degrees C and 0% RH. The reactivity...

journal_title：Journal of pharmaceutical sciences

authors： Qiu Z,Stowell JG,Cao W,Morris KR,Byrn SR,Carvajal MT

更新日期：2005-11-01 00:00:00

abstract：:A method is reported for studying the effects of several factors at room temperature on the oxygen permeability of soft gelatin capsule shell films. The method involves the use of a permeability cell assembly and the spectrophotometric determïnation of oxygen with an alkaline pyrogallic acid solution. Factors investig...

journal_title：Journal of pharmaceutical sciences

authors： Hom FS,Veresh SA,Ebert WR

更新日期：1975-05-01 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