Mechanisms involved in iontophoretic transport of angiotensin.

abstract：:A simple viscometric method was used to quantify mucin-polymer bioadhesive bond strength. Viscosities of 15% (w/v) porcine gastric mucin dispersions in 0.1 N HCl (pH 1) or 0.1 N acetate buffer (pH 5.5) were measured with a Brookfield viscometer in the absence (eta m) or presence (eta t) of selected neutral, anionic, a...

journal_title：Pharmaceutical research

authors： Hassan EE,Gallo JM

更新日期：1990-05-01 00:00:00

abstract：PURPOSE:To study the PK interaction of L-dopa/benserazide in rats. METHODS:Male rats received a single oral dose of 80 mg/kg L-dopa or 20 mg/kg benserazide or 80/20 mg/kg L-dopa/benserazide. Based on plasma concentrations the kinetics of L-dopa, 3-O-methyldopa (3-OMD), benserazide, and its metabolite Ro 04-5127 were c...

journal_title：Pharmaceutical research

authors： Grange S,Holford NH,Guentert TW

更新日期：2001-08-01 00:00:00

abstract：PURPOSE:To gain information on the chemical stability pattern and the kinetics of the degradation of recombinant hirudin variant HV1 (rHir), a thrombin-specific inhibitor protein of 65 amino acids, in aqueous solution as a function of pH. METHODS:Stability of rHir was monitored at 50 degrees C in the framework of a cl...

journal_title：Pharmaceutical research

authors： Gietz U,Alder R,Langguth P,Arvinte T,Merkle HP

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:To evaluate the mechanism of renal transport of quinolone antibacterial drugs, we examined the interaction of levofloxacin with p-aminohippurate (PAH) transport systems and the transport of levofloxacin in renal epithelial cells. METHODS:Transport of [14C]PAH or [14C]levofloxacin was measured using OK cell mon...

journal_title：Pharmaceutical research

authors： Matsuo Y,Yano I,Habu Y,Katsura T,Hashimoto Y,Inui K

更新日期：2001-05-01 00:00:00

abstract：PURPOSE:To evaluate the transcellular mechanism of novel enhancers absorption enhancement of human growth hormone (hGH), by examining the involvement of a P-glycoprotein-like efflux system, changes in membrane fluidity, and membrane damage. METHODS:Caco-2 cell monolayers were grown on Snapwell filter supports and plac...

journal_title：Pharmaceutical research

authors： Wu SJ,Robinson JR

更新日期：1999-08-01 00:00:00

abstract：:The relative effectiveness of two beta-cyclodextrin derivatives, i.e., dimethyl-beta-cyclodextrin (DM beta CD) and hydroxypropyl-beta-cyclodextrin (HP beta CD), in enhancing enteral absorption of insulin was evaluated in the lower jejunal/upper ileal segments of the rat by means of an in situ closed loop method. The i...

journal_title：Pharmaceutical research

authors： Shao Z,Li Y,Chermak T,Mitra AK

更新日期：1994-08-01 00:00:00

abstract：PURPOSE:To improve upon the theory of reasoned action and apply it to pharmaceutical research, we investigated the effects of relevant appraisals attributes, and past behavior of physicians on the use of drug information sources. We also examined the moderating effects of practice characteristics. METHODS:A mail quest...

journal_title：Pharmaceutical research

authors： Gaither CA,Bagozzi RP,Ascione FJ,Kirking DM

更新日期：1997-10-01 00:00:00

abstract：PURPOSE:To identify materials and processes which effect supersaturation of the GI milieu for low solubility drugs in order to increase oral bioavailability. METHODS:A variety of small and polymeric molecules were screened for their ability to inhibit drug precipitation in supersaturated solutions. The best polymeric ...

journal_title：Pharmaceutical research

authors： Curatolo W,Nightingale JA,Herbig SM

更新日期：2009-06-01 00:00:00

abstract：PURPOSE:Because interleukin-10 (IL-10) seems a promising new antifibrotic drug, we investigated the pharmacokinetic and biodistribution profile of this potent therapeutic cytokine in rats with extensive liver fibrosis (BDL-3). IL-10 receptor expression was also determined in relation to these aspects. METHODS:To study...

journal_title：Pharmaceutical research

authors： Rachmawati H,Beljaars L,Reker-Smit C,Van Loenen-Weemaes AM,Hagens WI,Meijer DK,Poelstra K

更新日期：2004-11-01 00:00:00

abstract：PURPOSE:In this work a novel pH-responsive nanoscale polymer network was investigated for potential applications in nanomedicine. These consisted of a polybasic core surface stabilized with poly(ethylene glycol) grafts. The ability to control swelling properties via changes in core hydrophobicity and crosslinking feed ...

journal_title：Pharmaceutical research

authors： Fisher OZ,Kim T,Dietz SR,Peppas NA

更新日期：2009-01-01 00:00:00

abstract：PURPOSE:Heparin immobilized porous poly(D,L-lactic-co-glycolic acid) (PLGA) microspheres were prepared for sustained release of basic fibroblast growth factor (bFGF) to induce angiogenesis. MATERIALS AND METHODS:Porous PLGA microspheres having primary amine groups on the surface were prepared using an oil-in-water (O/...

journal_title：Pharmaceutical research

authors： Chung HJ,Kim HK,Yoon JJ,Park TG

更新日期：2006-08-01 00:00:00

abstract：PURPOSE:To examine whether the glass transition temperature (Tg) of freeze-dried formulations containing polymer excipients can be accurately predicted by molecular dynamics simulation using software currently available on the market. Molecular dynamics simulations were carried out for isomaltodecaose, a fragment of de...

journal_title：Pharmaceutical research

authors： Yoshioka S,Aso Y,Kojima S

更新日期：2003-06-01 00:00:00

abstract：PURPOSE:To study the influence of crystallizing and non-crystallizing cosolutes on the crystallization behavior of trehalose in frozen solutions and to monitor the phase behavior of trehalose dihydrate and mannitol hemihydrate during drying. METHODS:Trehalose (a lyoprotectant) and mannitol (a bulking agent) are widely...

journal_title：Pharmaceutical research

authors： Sundaramurthi P,Suryanarayanan R

更新日期：2010-11-01 00:00:00

abstract：PURPOSE:Our previous studies indicated that drug leaked from discoidal reconstituted high density lipoprotein (d-rHDL) during the remodeling behaviors induced by lecithin cholesterol acyl transferase (LCAT) abundant in circulation, thus decreasing the drug amount delivered into the target. In this study, arachidonic ac...

journal_title：Pharmaceutical research

authors： He H,Liu L,Bai H,Wang J,Zhang Y,Zhang W,Zhang M,Wu Z,Liu J

更新日期：2014-07-01 00:00:00

abstract：PURPOSE:To evaluate the effects of several buffers and excipients on the stability of glucagon during freeze-drying and storage as dried powder formulations. METHODS:The chemical and physical stability of glucagon in freeze-dried solid formulations was evaluated by a variety of techniques including mass spectrometry (...

journal_title：Pharmaceutical research

authors： Fang WJ,Qi W,Kinzell J,Prestrelski S,Carpenter JF

更新日期：2012-12-01 00:00:00

abstract：:The synthesis of an homologous series of new water-soluble derivatives of pilocarpine is described. The new compounds, referred to as soft quaternary salts, are water soluble by virtue of a cationic ammonium head and their lipophilicity can be modulated by manipulating the size and the nature of the substituent in the...

journal_title：Pharmaceutical research

authors： Druzgala P,Winwood D,Drewniak-Deyrup M,Smith S,Bodor N,Kaminski JJ

更新日期：1992-03-01 00:00:00

abstract：PURPOSE:The possibility of preparing nanoparticles in the supercooled thermotropic liquid crystalline state from cholesterol esters with saturated acyl chains as well as the incorporation of model drugs into the dispersions was investigated using cholesteryl myristate (CM) as a model cholesterol ester. METHODS:Nanopar...

journal_title：Pharmaceutical research

authors： Kuntsche J,Westesen K,Drechsler M,Koch MH,Bunjes H

更新日期：2004-10-01 00:00:00

abstract：PURPOSE:A rapid immune response is required to prevent death from Anthrax, caused by Bacillus anthracis. METHOD:We formulated a vaccine carrier comprised of acetalated dextran microparticles encapsulating recombinant protective antigen (rPA) and resiquimod (a toll-like receptor 7/8 agonist). RESULTS:We were able to p...

journal_title：Pharmaceutical research

authors： Schully KL,Sharma S,Peine KJ,Pesce J,Elberson MA,Fonseca ME,Prouty AM,Bell MG,Borteh H,Gallovic M,Bachelder EM,Keane-Myers A,Ainslie KM

更新日期：2013-05-01 00:00:00

abstract：PURPOSE:To study the relative thermodynamic and kinetic stabilities of neotame anhydrate polymorphs A, D, F, and G, and to develop a quantitative method for analyzing polymorphic mixtures of A and G by powder X-ray diffractometry (PXRD). METHODS:Based on the melting points, heats of fusion, and densities of the four p...

journal_title：Pharmaceutical research

authors： Dong Z,Munson EJ,Schroeder SA,Prakash I,Grant DJ

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:The present investigation describes a formulative study for the development of innovative drug delivery systems for bromocriptine. METHODS:Solid lipid nanoparticles (SLN) based on different lipidic components have been produced and characterized. Morphology and dimensional distribution have been investigated b...

journal_title：Pharmaceutical research

authors： Esposito E,Fantin M,Marti M,Drechsler M,Paccamiccio L,Mariani P,Sivieri E,Lain F,Menegatti E,Morari M,Cortesi R

更新日期：2008-07-01 00:00:00

abstract：PURPOSE:Microphysiological systems (MPS), also known as "organs-on-chips" or "tissue chips," leverage recent advances in cell biology, tissue engineering, and microfabrication to create in vitro models of human organs and tissues. These systems offer promising solutions for modeling human physiology and disease in vitr...

journal_title：Pharmaceutical research

authors： Low LA,Giulianotti MA

更新日期：2019-12-17 00:00:00

abstract：:Recently a new in vivo approach in man, using a regional intestinal perfusion technique, has been developed. The perfusion tube consists of a multichannel tube with two inflatable balloons, which are placed 10 cm apart. The tube is introduced orally and the time required for insertion and positioning of the tube is ap...

journal_title：Pharmaceutical research

authors： Lennernäs H,Ahrenstedt O,Hällgren R,Knutson L,Ryde M,Paalzow LK

更新日期：1992-10-01 00:00:00

abstract：PURPOSE:Chitosan and its derivatives possess several unique properties relevant in the field of pharmaceutics and medicinal chemistry. This study aimed to evaluate the pharmaceutical performance of an innovative chitosan derivative, methyl acrylate chitosan bearing p-nitrobenzaldehyde (MA*CS*pNBA) Schiff base. METHODS...

journal_title：Pharmaceutical research

authors： Ali SS,Kenawy ER,Sonbol FI,Sun J,Al-Etewy M,Ali A,Huizi L,El-Zawawy NA

更新日期：2018-11-07 00:00:00

abstract：PURPOSE:This study compared gene expression profiles in mouse lungs after administration of the cationic polymers polyethyleneimine (PEI) or chitosan alone or formulated with a luciferase reporter plasmid (PEI-pLuc, chitosan-pLuc). METHODS:The polymers and formulations were administered intratracheally to Balb/c mice ...

journal_title：Pharmaceutical research

authors： Regnström K,Ragnarsson EG,Fryknäs M,Köping-Höggård M,Artursson P

更新日期：2006-03-01 00:00:00

abstract：PURPOSE:To investigate the possible pathways for transport of wheat germ agglutinin conjugated PEG-PLA nanoparticles (WGA-NP) into the brain after nasal administration. METHODS:The nose-to-brain pathways were investigated using WGA-NP containing 6-coumarin (as a fluorescent marker) and (125)I-labeled WGA-NP. Ex vivo i...

journal_title：Pharmaceutical research

authors： Liu Q,Shen Y,Chen J,Gao X,Feng C,Wang L,Zhang Q,Jiang X

更新日期：2012-02-01 00:00:00

abstract：:(+)-Propranolol was infused at two rates into the pyloric vein (a portal vein tributary) of 15 male Sprague Dawley rats until apparent steady-state conditions were established (i.e., 8 hr at each rate). One group (n = 7) received the high dose (40 micrograms/min/kg) first, and in the other group (n = 8) the low dose (...

journal_title：Pharmaceutical research

authors： Weber C,Stoeckel K,Lalka D

更新日期：1994-03-01 00:00:00

abstract：:Effects of protease inhibitors and absorption enhancers on the absorption of salmon calcitonin (sCT) were evaluated after intratracheal coadministration to rats using the plasma Ca level as an index. Remarkable absorption enhancement could be attained with unsaturated fatty acids such as oleic acid and polyoxyethylene...

journal_title：Pharmaceutical research

authors： Kobayashi S,Kondo S,Juni K

更新日期：1994-09-01 00:00:00

abstract：:Nonstereospecific studies have indicated that the pharmacokinetics of propranolol (PR) are altered in inflammatory conditions such as arthritis. However, as the kinetics and dynamics of PR are stereoselective, we examined the effect of adjuvant arthritis (AA) on the disposition of the individual enantiomers. A novel n...

journal_title：Pharmaceutical research

authors： Piquette-Miller M,Jamali F

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:This study aims to develop a characterization method for coating structure based on image analysis, which is particularly promising for the rational design of coated particles in the pharmaceutical industry. METHODS:The method applies the MATLAB image processing toolbox to images of coated particles taken with...

journal_title：Pharmaceutical research

authors： Laksmana FL,Van Vliet LJ,Hartman Kok PJ,Vromans H,Frijlink HW,Van der Voort Maarschalk K

更新日期：2009-04-01 00:00:00

abstract：:The use of microdialysis sampling to study the binding of drugs to plasma proteins was evaluated. Microdialysis sampling is accomplished by placing a short length of dialysis fiber in the sample and perfusing the fiber with a vehicle. Small molecules in the sample, such as drugs, diffuse into the fiber and are transpo...

journal_title：Pharmaceutical research

authors： Herrera AM,Scott DO,Lunte CE

更新日期：1990-10-01 00:00:00