GLC-mass spectrometry of Teucrium polium oil.

abstract：:The intrinsic factor-mediated binding of cyanocobalamin to cholestyramine was studied in vitro under varying conditions of pH, added electrolyte, and bile salt. The intrinsic factor-cyanocobalamin complex was adsorbed strongly by the resin at pH 3 in the presence of neutral salt and low concentrations of glycocholic a...

journal_title：Journal of pharmaceutical sciences

authors： Andersen KJ,Schjønsby H

更新日期：1978-11-01 00:00:00

abstract：:A sensitive and specific GLC method is described to determine therapeutic levels of tilidine and its two main metabolites, nortilidine and bisnortilidine, in plasma and urine. The method involves the extraction of the compounds and an internal standard with cyclohexane from alkalinized samples, followed by back-extrac...

journal_title：Journal of pharmaceutical sciences

authors： Hengy H,Vollmer KO,Gladigau V

更新日期：1978-12-01 00:00:00

abstract：:An assay for gold in whole blood of arthritis patients was developed using the graphite furnace atomic absorption spectrophotometer. This method involves no pretreatment of the whole blood except for simple dilution, thereby eliminating some variables and saving laboratory time and expense. ...

journal_title：Journal of pharmaceutical sciences

authors： Barrett MJ,DeFries R,Henderson WM

更新日期：1978-09-01 00:00:00

abstract：:Accurate prediction of target occupancy facilitates central nervous system drug development. In this review, we discuss the predictability of serotonin transporter (SERT) occupancy in human brain estimated from in vitro Ki values for human SERT and plasma concentrations of unbound drug (Cu,plasma), as well as the impa...

journal_title：Journal of pharmaceutical sciences

authors： Yahata M,Chiba K,Watanabe T,Sugiyama Y

更新日期：2017-09-01 00:00:00

abstract：:Increasing costs of research and development in the pharmaceutical industry has necessitated a growing interest in the early prediction of human pharmacokinetics of drug candidates. Of growing interest is the need to understand oral absorption, the most common route of small molecule drug administration. The fraction ...

journal_title：Journal of pharmaceutical sciences

authors： Chiang PC,Liu J,Fan P,Wong H

更新日期：2018-07-01 00:00:00

abstract：:A α-helical GALA peptide (WEAALAEALAEALAEHLAEALAEALEALAA) has been found to possess dual functions: a pH-dependent inducer of endosomal escape, and a ligand that targets lung endothelium. In the present study, the flexibility of GALA was improved by modifying the edge with polyethylene glycol linker, to increase lung-...

journal_title：Journal of pharmaceutical sciences

authors： Santiwarangkool S,Akita H,Nakatani T,Kusumoto K,Kimura H,Suzuki M,Nishimura M,Sato Y,Harashima H

更新日期：2017-09-01 00:00:00

abstract：:The mechanism of drug loading in cross-linked polymers was studied by X-ray photoelectron spectroscopy (XPS). This gave the atomic composition of the surface layers of the loaded polymeric particles so that the exact location of the drug molecules could be identified. Three different lots of popcorn crospovidone and a...

journal_title：Journal of pharmaceutical sciences

authors： Carli F,Garbassi F

更新日期：1985-09-01 00:00:00

abstract：:The degradation kinetics of phentolamine hydrochloride in aqueous solution over a pH range of 1.2 to 7.2 and its stability in propylene glycol- or polyethylene glycol 400-based solutions were investigated. The observed rate constants were shown to follow apparent first-order kinetics in all cases. The pKa determinatio...

journal_title：Journal of pharmaceutical sciences

authors： Wang DP,Tu YH,Allen LV Jr

更新日期：1988-11-01 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：:In iontophoresis, an electric field across the skin induces electromigration of exogenously applied and endogenously present ions. The approach can be used to improve dramatically drug delivery by elimination of competing co-ions in the externally applied formulation, as this maximizes the fraction of current carried ...

journal_title：Journal of pharmaceutical sciences

authors： Mudry B,Guy RH,Delgado-Charro MB

更新日期：2006-03-01 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：:To preserve the positive effect of collagen on tissue regeneration and to locally deliver low molecular weight compounds for an extended time period, a composite for parenteral application was devised based on a collagen sponge with gentamicin-loaded PLGA microparticles incorporated. Antibiotic liberation from the par...

journal_title：Journal of pharmaceutical sciences

authors： Schlapp M,Friess W

更新日期：2003-11-01 00:00:00

abstract：:Phosphate is specifically adsorbed by aluminum hydroxycarbonate by anion ligand exchange. IR analysis indicated that phosphate exchanged with specifically adsorbed carbonate. Adsorption is favored by low pH and is inversely related to particle size. Adsorption of phosphate decreases the rate of acid neutralization of ...

journal_title：Journal of pharmaceutical sciences

authors： Liu JC,Feldkamp JR,White JL,Hem SL

更新日期：1984-10-01 00:00:00

abstract：:Die filling is a critical process step during tablet production as it defines the tablet weight. Achieving die fill consistency during production of mini-tablets, tablets with diameters ≤6 mm, is considerably more challenging. Although die filling in rotary presses had been studied in relation to the feed paddle desig...

journal_title：Journal of pharmaceutical sciences

authors： Goh HP,Sia Heng PW,Liew CV

更新日期：2019-03-01 00:00:00

abstract：:The usefulness of poly(N-isopropyl acrylamide), PNIPA, for preparing sustained release matrix or photopolymerization-coated cellulosic pellets was evaluated. Theophylline pellets and granules were prepared using powdered cellulose (PC), poly(vinylpyrrolidone) (PVP), and PNIPA of Mw approximately 330 kDa, Mn approximat...

journal_title：Journal of pharmaceutical sciences

authors： Mayo-Pedrosa M,Alvarez-Lorenzo C,Lacík I,Martinez-Pacheco R,Concheiro A

更新日期：2007-01-01 00:00:00

abstract：:A method of depicting dimensional illustrations of molecules in vacuo that are sensitive to small electronic perturbations was attempted. This method would be useful in determining the effects of either perturbing groups from other molecules or changes produced by the addition or modification of an existing atom or ch...

journal_title：Journal of pharmaceutical sciences

authors： Breon TL,Petersen H Jr,Paruta AN

更新日期：1978-01-01 00:00:00

abstract：:This work reports the measurement of the partition rate of a model drug, ibuprofen (IBU), from aqueous solutions into octanol in the absence and presence of common pharmaceutical excipients including glucose, lactose, maltoheptaose, hydroxypropyl methylcellulose, polyvinylpyrrolidone, polyvinylpyrrolidone-vinyl acetat...

journal_title：Journal of pharmaceutical sciences

authors： Xu H,Wang W,Shi Y,Gao P

更新日期：2019-01-01 00:00:00

abstract：:The plasma protein binding of drugs has been shown to have significant effects on the quantitative relationship between clinical pharmacokinetics and pharmacodynamics. In many clinical situations, measurement of the total drug concentration does not provide the needed information concerning the unbound fraction of dru...

journal_title：Journal of pharmaceutical sciences

authors： Musteata FM,Pawliszyn J,Qian MG,Wu JT,Miwa GT

更新日期：2006-08-01 00:00:00

abstract：:Conjunctiva occupies most of the ocular surface area, and conjunctival permeability affects ocular and systemic drug absorption of topical ocular medications. Therefore, the aim of this study was to obtain a computational in silico model for structure-based prediction of conjunctival drug permeability. This was done b...

journal_title：Journal of pharmaceutical sciences

authors： Ramsay E,Ruponen M,Picardat T,Tengvall U,Tuomainen M,Auriola S,Toropainen E,Urtti A,Del Amo EM

更新日期：2017-09-01 00:00:00

abstract：:A method to determine the adherence of drugs to the esophagus was developed using isolated swine esophagi. A number of types of tablets and capsules (e.g., of doxycycline) were tested. The results showed that the tendency of products to adhere to the esophagus can be regulated by pharmaceutical properties. It was conc...

journal_title：Journal of pharmaceutical sciences

authors： Marvola M,Vahervuo K,Sothmann A,Marttila E,Rajaniemi M

更新日期：1982-09-01 00:00:00

abstract：:The objective of this study was to determine reasons behind the low oral (p.o.) bioavailability of glucosamine. By using male Sprague-Dawley rats, the movement of glucosamine through everted gut, the effect of dose and glucose, and inhibition of a glucose transporter (GLUT2) by quercetin were studied. Glucosamine phar...

journal_title：Journal of pharmaceutical sciences

authors： Ibrahim A,Gilzad-kohan MH,Aghazadeh-Habashi A,Jamali F

更新日期：2012-07-01 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：:Two generalized modes of erosion kinetics, that is, the power law mode and root type mode, respectively, were found to be able to better describe the reported weight loss data compared to the existing linear mode, for commonly used surface-eroding polymer microspheres. Based on the newly identified modes, a set of dru...

journal_title：Journal of pharmaceutical sciences

authors： You S,Yang Z,Wang CH

更新日期：2016-06-01 00:00:00

abstract：:Glassy states of nine acetaminophen-nifedipine compositions have been made by slowly supercooling their melts, and calorimetric T(g) and the nonexponential, nonlinear relaxation parameters beta and x that are used in modeling the mobility of a pharmaceutical determined. The T(g)-endotherm's shape varies with the alloy...

journal_title：Journal of pharmaceutical sciences

authors： Johari GP,Shanker RM

更新日期：2008-08-01 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：:Literature data relevant to the decision to allow a waiver of in vivo bioequivalence (BE) testing for the approval of immediate release (IR) solid oral dosage forms containing metronidazole are reviewed. Metronidazole can be assigned to Biopharmaceutics Classification System Class I. Most BE studies that were identifi...

journal_title：Journal of pharmaceutical sciences

authors： Rediguieri CF,Porta V,G Nunes DS,Nunes TM,Junginger HE,Kopp S,Midha KK,Shah VP,Stavchansky S,Dressman JB,Barends DM

更新日期：2011-05-01 00:00:00

abstract：:A stability-specific high-pressure liquid chromatographic (HPLC) method was developed to assay intact chlorambucil (I) in the presence of its hydrolytic decomposition products. The HPLC method was used to follow the degradation kinetics of I over pH 1.0-10.0 in the presence of various buffers with and without added ch...

journal_title：Journal of pharmaceutical sciences

authors： Chatterji DC,Yeager RL,Gallelli JF

更新日期：1982-01-01 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：:Personalized medicine aims to determine the most adequate treatment and dose regimen to obtain the maximum efficacy and minimum side effect by taking into account patients' characteristics. For numerous reasons, one being ethical and methodological hurdles in including specific populations in clinical trials, innovati...

journal_title：Journal of pharmaceutical sciences

authors： Marsousi N,Desmeules JA,Rudaz S,Daali Y

更新日期：2017-09-01 00:00:00

abstract：:The inclusion complexation of homologous derivatives of steroid hormones with cyclodextrins and 2-hydroxypropyl-beta-cyclodextrin (2-HP-beta-CD) was investigated with regard to underlying structure-interaction relationship. The interaction was studied by phase solubility analysis and stabilization effects of complex f...

journal_title：Journal of pharmaceutical sciences

authors： Albers E,Müller BW

更新日期：1992-08-01 00:00:00