Determination of acrolein in urine by liquid chromatography and fluorescence detection of its quinoline derivative.

abstract：PURPOSE:To develop a novel bioadhesive polymer that protects peptide drugs from luminal degradation by aminopeptidase N and to evaluate the system in vitro on porcine mucosa. METHODS:EDTA was covalently bound to chitosan in order to combine the bioadhesive properties of the polymer with the well known capacity of EDTA...

journal_title：Pharmaceutical research

authors： Bernkop-Schnürch A,Paikl C,Valenta C

更新日期：1997-07-01 00:00:00

abstract：:The mechanical properties of dry and wet polymeric films prepared from various aqueous polymeric dispersions were evaluated by a puncture test. They were studied with respect to type of polymer dispersion [cellulosic: Aquacoat and Surelease; acrylic: Eudragit NE, L, RS, and RL 30 D], plasticizer type (water-soluble or...

journal_title：Pharmaceutical research

authors： Bodmeier R,Paeratakul O

更新日期：1994-06-01 00:00:00

abstract：PURPOSE:To examine the iontophoretic delivery of ALA as a function of pH and to determine the principal mechanisms responsible for its electrotransport. METHODS:Anodal iontophoretic transport of ALA was measured as a function of its concentration and pH of the donor solution. Experiments were performed in vitro using ...

journal_title：Pharmaceutical research

authors： Lopez RF,Bentley MV,Delgado-Charro MB,Guy RH

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:Myricetin (MYR) flavonoid is well-recognized for its antioxidant, anti-inflammatory and anti-tumor potential. Introducing nanomedicine was the ultimate resort to solve the imperfections of this nutraceutical, namely solubility, stability and delivery issues. The study, thus, aims at developing inhalable micropa...

journal_title：Pharmaceutical research

authors： Nafee N,Gaber DM,Elzoghby AO,Helmy MW,Abdallah OY

更新日期：2020-04-14 00:00:00

abstract：:A two-step analytic procedure to determine the rate and extent of metabolite production following administration of the parent compound is described. The procedure provides the rate and extent of metabolite production as a function of time by application of the general model independent approach of deconvolution. The ...

journal_title：Pharmaceutical research

authors： Karol MD,Goodrich S

更新日期：1988-06-01 00:00:00

abstract：PURPOSE:The combination of morphine and gabapentin seems promising for the treatment of postoperative and neuropathic pain. Despite the well characterised pharmacodynamic interaction, little is known about possible pharmacokinetic interactions. The aim of this study was to evaluate whether co-administration of the two ...

journal_title：Pharmaceutical research

authors： Papathanasiou T,Juul RV,Gabel-Jensen C,Kreilgaard M,Lund TM

更新日期：2016-11-01 00:00:00

abstract：PURPOSE:The aim was to replace the traditional 21-day Caco-2 permeability protocol by a more high-throughput assay. METHODS:Caco-2 cells were seeded at high density in 96-well plates in novel cell culture boxes. After 7 days, drug permeability studies were performed. Samples were analyzed by a new UV detection method....

journal_title：Pharmaceutical research

authors： Alsenz J,Haenel E

更新日期：2003-12-01 00:00:00

abstract：:During the past two decades the nanomedicine field has experienced significant progress. To date, over sixty nanoparticle (NP) formulations have been approved in the US and EU while many others are in clinical or preclinical development, indicating a concerted effort to translate promising bench research to commercial...

journal_title：Pharmaceutical research

authors： Clogston JD,Hackley VA,Prina-Mello A,Puri S,Sonzini S,Soo PL

更新日期：2019-12-11 00:00:00

abstract：:Penetration of various compounds through shed snake skin was measured in vitro to examine the effect of lipophilicity and molecular size of a compound on permeability through this model membrane. The permeabilities were found to be controlled by the lipophilicity and the molecular size of the permeant. The smaller and...

journal_title：Pharmaceutical research

authors： Itoh T,Magavi R,Casady RL,Nishihata T,Rytting JH

更新日期：1990-12-01 00:00:00

abstract：PURPOSE:The purpose of the present study was to use the human colorectal carcinoma cell line. Caco-2, as a human intestinal epithelial model for studying the effects of cyclodextrins as absorption enhancers. METHODS:Cyclodextrins of varying sizes and physicochemical characters were investigated. The effects of the cyc...

journal_title：Pharmaceutical research

authors： Hovgaard L,Brøndsted H

更新日期：1995-09-01 00:00:00

abstract：:A rapid quantitative, enantioselective HPLC method for the analysis of the four stereoisomers, (+) and (-) erythro and (+) and (-) threo forms, of mefloquine has been developed using a Chiralpak Ad analytical column containing amylose tris-3,5-dimethylphenyl carbonate coated on silica gel and hexane/ethanol/diethylami...

journal_title：Pharmaceutical research

authors： Qiu Y,Kitamura S,Guillory JK

更新日期：1992-12-01 00:00:00

abstract：:The area function method for assessing zero-order (ko) drug absorption rates was compared to four other methods under conditions where variation occurs in the plasma concentration data and in the elimination rate constant (kel or k10) for one- or two-compartment models. For deviant kel values of a one-compartment mode...

journal_title：Pharmaceutical research

authors： Cheng HY,Jusko WJ

更新日期：1990-01-01 00:00:00

abstract：PURPOSE:To evaluate the potential of ascorbate as a novel ligand in the preparation of pharmaceutical nanocarriers with enhanced tumor-cell specific binding and cytotoxicity. METHODS:Palmitoyl ascorbate was incorporated into liposomes at varying concentrations. A stable formulation was selected based on size and zeta ...

journal_title：Pharmaceutical research

authors： D'Souza GG,Wang T,Rockwell K,Torchilin VP

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:The effects of liposomes on nitric oxide (NO) production from mouse peritoneal macrophages following intraperitoneal injection of liposomes were investigated. METHODS:Mouse peritoneal macrophages were collected following intraperitoneal injection of liposomes and cultured with and without lipopolysaccharide (L...

journal_title：Pharmaceutical research

authors： Aramaki Y,Arima H,Hara T,Tsuchiya S

更新日期：1996-09-01 00:00:00

abstract：:The transepithelial transport of arginine vasopressin (AVP) across cultured rat alveolar epithelial cell monolayers was studied. At 0.1 nM donor [125I]AVP, the radiolabel flux measured in the apical-to-basolateral (AB) direction was about 10 times greater than that in the reverse (BA) direction. HPLC analyses of the b...

journal_title：Pharmaceutical research

authors： Yamahara H,Morimoto K,Lee VH,Kim KJ

更新日期：1994-11-01 00:00:00

abstract：PURPOSE:Using monolayers of human pancreatic adenocarcinoma cells (Panc-1) that express multidrug resistance-associated protein (MRP), the present work investigates the effects of Pluronic block copolymers on the functional activity of MRP. METHODS:The studies examined the accumulation and efflux of the MRP selective ...

journal_title：Pharmaceutical research

authors： Miller DW,Batrakova EV,Kabanov AV

更新日期：1999-03-01 00:00:00

abstract：PURPOSE:To investigate if gamma-Hydroxybutyrate (GHB) tolerance is mediated by alterations in GHB systemic pharmacokinetics, transport (blood brain barrier (BBB) and neuronal) or membrane fluidity. MATERIALS AND METHODS:GHB tolerance in rats was attained by repeated GHB administration (5.31 mmol/kg, s.c., QD for 5 day...

journal_title：Pharmaceutical research

authors： Bhattacharya I,Raybon JJ,Boje KM

更新日期：2006-09-01 00:00:00

abstract：:The technique of Affinity capillary electrophoresis (ACE) is a useful tool to characterize complexation and partition equilibria. A wide range of applications in pharmaceutics has been presented: the determination of pKA values, of association constants between drugs and cyclodextrins or amphiphilic compounds as well ...

journal_title：Pharmaceutical research

authors： Neubert RH,Schwarz MA,Mrestani Y,Plätzer M,Raith K

更新日期：1999-11-01 00:00:00

abstract：:We report the chemical and enzymatic hydrolysis of two hydrophobic prodrugs of ganciclovir (3 = dipropionate ester; 4 = diadamantoate ester). Both prodrugs undergo hydrolysis showing a pH dependence of kobs = kH+aH+ + ko + kHO-aHO- and a pH of maximum stability near pH 5. Only 4 exhibited a shelf life (t90) greater th...

journal_title：Pharmaceutical research

authors： Powell MF,Magill A,Chu N,Hama K,Mau CI,Foster L,Bergstrom R

更新日期：1991-11-01 00:00:00

abstract：:A method to provide near-constant sustained release of high molecular weight, water-soluble proteins from polyanhydride microspheres is described. The polyanhydrides used were poly(fatty acid dimer) (PFAD), poly(sebacic acid) (PSA), and their copolymers [P(FAD-SA)]. P(FAD-SA) microspheres containing proteins of differ...

journal_title：Pharmaceutical research

authors： Tabata Y,Gutta S,Langer R

更新日期：1993-04-01 00:00:00

abstract：PURPOSE:Interferon beta is commonly used as therapeutic in the first line of therapy for multiple sclerosis. However, depending on the product, it induces an antibody response in up to 60% of patients. This study evaluated the impact of therapy related factors like dose, route of administration and administration frequ...

journal_title：Pharmaceutical research

authors： Kijanka G,Jiskoot W,Schellekens H,Brinks V

更新日期：2013-06-01 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：:An on-line simultaneous assay for the enantiomers of verapamil (VA) and its three metabolites in plasma was developed with column-switching HPLC. This system consists of an ovomucoid protein chiral stationary phase coupled to an achiral reversed-phase column via a dilution tube and a trapping column. The reversed-phas...

journal_title：Pharmaceutical research

authors： Oda Y,Asakawa N,Kajima T,Yoshida Y,Sato T

更新日期：1991-08-01 00:00:00

abstract：PURPOSE:To test the hypothesis of surface displacement as the underlying mechanism for IgG stabilization by polysorbates and HPβCD against surface-induced aggregation. METHODS:Adsorption/desorption-kinetics of IgG-polysorbate 80/-HPβCD were monitored. Maximum bubble pressure method was used for processes within second...

journal_title：Pharmaceutical research

authors： Serno T,Härtl E,Besheer A,Miller R,Winter G

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:Propofol is a widely used anesthetic agent with highly desirable fast "on" and "off" effects. It is currently formulated as lipid emulsions, which are known to support microbial growth. In this study, a novel, lipid-free nanodispersion formulation of propofol was characterized. METHODS:The formulation was eval...

journal_title：Pharmaceutical research

authors： Chen H,Zhang Z,Almarsson O,Marier JF,Berkovitz D,Gardner CR

更新日期：2005-03-01 00:00:00

abstract：PURPOSE:To provide the physicochemical properties of vitrified trehalose for predicting its recrystallization. METHODS:Thin films of vitrified trehalose solutions were prepared at room temperature and exposed to various humid and temperature atmospheres. The in-situ amount of retained water in the vacuum-dried trehalo...

journal_title：Pharmaceutical research

authors： Shirakashi R,Takano K

更新日期：2018-05-10 00:00:00

abstract：:Coprecipitates of fluorescein and magnesium hydroxide demonstrate delayed absorption relative to fluorescein solutions when administered to the airways of the isolated perfused rat lung (IPRL). Perfusate concentration vs time profiles showed that dissolution and not epithelial permeability was the rate-controlling fac...

journal_title：Pharmaceutical research

authors： Niven RW,Byron PR

更新日期：1988-09-01 00:00:00

abstract：PURPOSE:Synthetic hydrogels fabricated from photopolymerization are attractive for tissue engineering for their controlled macroscopic properties, the ability to incorporate biological functionalities, and cell encapsulation. The goal of the present study was to exploit the attractive features of synthetic hydrogels to...

journal_title：Pharmaceutical research

authors： Bryant SJ,Nicodemus GD,Villanueva I

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:The objective of the work was to evaluate the potential of hyaluronan-based nanoparticles as tumor-targeting nano-systems for CD44-overexpressed cancer therapy. METHODS:The synthesized amphiphilic cholesteryl succinoyl hyaluronan (Chol-Suc-HA) conjugates self-assembled into docetaxel(DTX)-loaded nanoparticles ...

journal_title：Pharmaceutical research

authors： Song S,Qi H,Xu J,Guo P,Chen F,Li F,Yang X,Sheng N,Wu Y,Pan W

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:The purpose of the present study was to investigate changes of blood-brain barrier (BBB) and brain parenchymal protein expression due to type II diabetes mellitus (T2DM) induced by a high-fat diet (HFD) by using SWATH-based quantitative proteomics. METHODS:Mice were fed a HFD for 2 or 10 weeks, and then SWATH-...

journal_title：Pharmaceutical research

authors： Ogata S,Ito S,Masuda T,Ohtsuki S

更新日期：2019-07-31 00:00:00