Influence of surface properties at biodegradable microsphere surfaces: effects on plasma protein adsorption and phagocytosis.

abstract：PURPOSE:To characterize factor(s) contained in apical medium of primary cultured rat alveolar epithelial type II cell-like monolayers (RAECM-II) that enhance insulin absorption across alveolar epithelial cells. MATERIALS AND METHODS:Primary rat alveolar epithelial cell monolayers cultured on Transwells in the presence...

journal_title：Pharmaceutical research

authors： Bahhady R,Kim KJ,Borok Z,Crandall ED,Shen WC

更新日期：2007-09-01 00:00:00

abstract：:During protein lyophilization, it is common practice to complete the freezing step as fast as possible in order to avoid protein denaturation, as well as to obtain a final product of uniform quality. We report a contradictory observation made during lyophilization of recombinant tissue-type plasminogen activator (t-PA...

journal_title：Pharmaceutical research

authors： Hsu CC,Nguyen HM,Yeung DA,Brooks DA,Koe GS,Bewley TA,Pearlman R

更新日期：1995-01-01 00:00:00

abstract：:The efficacy of topical formulations of acidic fibroblast growth factor (aFGF) in healing of full-thickness wounds has been studied in a diabetic db+/db+ mouse model. The effect of several formulation variables, dose, and application frequency was examined. It was found that wound healing in diabetic animals treated w...

journal_title：Pharmaceutical research

authors： Matuszewska B,Keogan M,Fisher DM,Soper KA,Hoe CM,Huber AC,Bondi JV

更新日期：1994-01-01 00:00:00

abstract：PURPOSE:We examined the ability of a protein transduction domain (PTD), YARA, to penetrate in the skin and carry a conjugated peptide, P20. The results with YARA were compared to those of a well-known PTD (TAT) and a control, nontransducing peptide (YKAc). The combined action of PTDs and lipid penetration enhancers was...

journal_title：Pharmaceutical research

authors： Lopes LB,Brophy CM,Furnish E,Flynn CR,Sparks O,Komalavilas P,Joshi L,Panitch A,Bentley MV

更新日期：2005-05-01 00:00:00

abstract：PURPOSE:To study the expression of P-glycoprotein (P-gp), lung resistance-related protein (LRP), and caveolin-1 (cav-1) in the human bronchial epithelial cell line 16HBE14o-. METHODS:The presence of P-gp, LRP, and cav-1 in 16HBE14o- cell layers was evaluated using immunocytochemical staining and visualization with con...

journal_title：Pharmaceutical research

authors： Ehrhardt C,Kneuer C,Laue M,Schaefer UF,Kim KJ,Lehr CM

更新日期：2003-04-01 00:00:00

abstract：:This paper describes an investigation of the use of poly(lactic/glycolic acid) polymers for long-term delivery of high molecular weight, water-soluble proteins. Poly(lactic/glycolic acid) (PLGA) microspheres, containing (fluorescein isothiocyanate)-labeled bovine serum albumin and (fluorescein isothiocyanate)-labeled ...

journal_title：Pharmaceutical research

authors： Cohen S,Yoshioka T,Lucarelli M,Hwang LH,Langer R

更新日期：1991-06-01 00:00:00

abstract：PURPOSE:The aim of this work was to develop PEGylated poly(alkylcyanoacrylate) nanoparticles from a novel methoxypolyethyleneglycol cyanoacrylate-co-hexadecyl cyanoacrylate copolymer. METHODS:PEGylated and non-PEGylated nanoparticles were formed by nanoprecipitation or by emulsion/solvent evaporation. Nanoparticles si...

journal_title：Pharmaceutical research

authors： Peracchia MT,Vauthier C,Desmaële D,Gulik A,Dedieu JC,Demoy M,d'Angelo J,Couvreur P

更新日期：1998-04-01 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 aim of the study is to determine the effect of experimental parameters on microinfusion through hollow microneedles into skin to optimize drug delivery protocols and identify rate-limiting barriers to flow. METHODS:Glass microneedles were inserted to a depth of 720-1080 microm into human cadaver skin to mi...

journal_title：Pharmaceutical research

authors： Martanto W,Moore JS,Kashlan O,Kamath R,Wang PM,O'Neal JM,Prausnitz MR

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:To elucidate the catalytic mechanism of the esterase-like activity of serum albumin (SA), the reactivity of SA from six species was investigated using p-nitrophenyl esters as model substrates. METHODS:The effect of pH and the energetic and thermodynamic profiles of SA were determined for all species for p-nitr...

journal_title：Pharmaceutical research

authors： Sakurai Y,Ma SF,Watanabe H,Yamaotsu N,Hirono S,Kurono Y,Kragh-Hansen U,Otagiri M

更新日期：2004-02-01 00:00:00

abstract：PURPOSE:The possibility of direct delivery of steroids through the skin to the trachea and the effect of iontophoresis on delivery efficacy were evaluated after the application of an ionic steroidal prodrug, prednisolone sodium succinate (PS-Na), to the throat skin. METHODS:Fluorescein sodium salt (FL-Na) and PS-Na we...

journal_title：Pharmaceutical research

authors： Ishii H,Suzuki T,Todo H,Kamimura M,Sugibayashi K

更新日期：2011-04-01 00:00:00

abstract：PURPOSE:The aim of this study was to examine if sparging with CO2(g) could be used to establish stable biorelevant bicarbonate buffers, in aqueous medium, for use in dissolution characterization of low-solubility ionizable drugs. METHODS:Preparation of the bicarbonate-containing dissolution medium was monitored by use...

journal_title：Pharmaceutical research

authors： McNamara DP,Whitney KM,Goss SL

更新日期：2003-10-01 00:00:00

abstract：:The binding of diflunisal to hydroxypropyl-beta-cyclodextrin (HP beta CD), bovine serum albumin (BSA), human serum albumin (HSA), normal human plasma, and mixed solutions of HP beta CD/protein was studied at 25 degrees C, pH 7.4, by potentiometry using an electrode selective to diflunisal. The experimental data for di...

journal_title：Pharmaceutical research

authors： Sideris EE,Koupparis MA,Macheras PE

更新日期：1994-01-01 00:00:00

abstract：:An empirical mass-transfer model for enteric-coating dissolution that uses in vivo dissolution data to characterize the pH-dependent solubility properties of the polymer film and a mass-transfer coefficient determined from in vivo dissolution or disintegration studies is developed. Once the in vivo mass-transfer coeff...

journal_title：Pharmaceutical research

authors： Ebel JP,Jay M,Beihn RM

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:Fractal kinetics was used for the analysis of the carrier-mediated transport for drugs across the intestinal epithelial cells. METHODS:The transport was examined under various agitation rates using a monolayer of Caco-2 cells and rabbit ileum sheets. RESULTS:The passive transport of antipyrine across Caco-2 c...

journal_title：Pharmaceutical research

authors： Ogihara T,Tamai I,Tsuji A

更新日期：1998-04-01 00:00:00

abstract：PURPOSE:Excipients are added to lyophilized protein drug formulations to protect the protein during processing and storage, but the mechanisms are poorly understood. Here, hydrogen/deuterium (H/D) exchange with mass spectrometry was used to assess protein conformation and excipient interactions in lyophilized solids. ...

journal_title：Pharmaceutical research

authors： Li Y,Williams TD,Topp EM

更新日期：2008-02-01 00:00:00

abstract：PURPOSE:This study seeks to develop fiber membranes for local sustained delivery of 25-hydroxyvitamin D3 to induce the expression and secretion of LL-37 at or near the surgical site, which provides a novel therapeutic approach to minimize the risk of infections. METHODS:25-hydroxyvitamin D3 loaded poly(L-lactide) (PLA...

journal_title：Pharmaceutical research

authors： Jiang J,Chen G,Shuler FD,Wang CH,Xie J

更新日期：2015-09-01 00:00:00

abstract：PURPOSE:Ultrasound can be used to release a therapeutic payload encapsulated within a perfluorocarbon (PFC) emulsion via acoustic droplet vaporization (ADV), a process whereby the PFC phase is vaporized and the agent is released. ADV-generated microbubbles have been previously used to selectively occlude blood vessels ...

journal_title：Pharmaceutical research

authors： Fabiilli ML,Lee JA,Kripfgans OD,Carson PL,Fowlkes JB

更新日期：2010-12-01 00:00:00

abstract：:Nanotechnology has continuously contributed to the fast development of diagnostic and therapeutic agents. Theranostic nanomedicine has encompassed the ongoing efforts on concurrent molecular imaging of biomarkers, delivery of therapeutic agents, and monitoring of therapy response. Among these formulations, polymer-bas...

journal_title：Pharmaceutical research

authors： Wang Z,Niu G,Chen X

更新日期：2014-06-01 00:00:00

abstract：:Primaquine, an 8-aminoquinoline antimalarial, is shown to undergo unexpectedly rapid aromatic proton exchange with the medium. At a pH less than 4, the exchange of C-5 is so fast as to be unmeasurable by proton nmr methods. At a pH of 6-6.5 the half-time for exchange is 4 to 5 minutes. This unexpectedly high rate of e...

journal_title：Pharmaceutical research

authors： McChesney JD,Sarangan S

更新日期：1984-07-01 00:00:00

abstract：:The pentahydrate (alpha form) of cefazolin sodium (CEZ) exhibited sharp X-ray diffraction peaks, while the dehydrated alpha form showed weak but distinct diffraction peaks. As expected the amorphous form exhibited a diffuse and halo diffraction pattern. The X-ray procedure to estimate the degree of crystallinity of CE...

journal_title：Pharmaceutical research

authors： Kamat MS,Osawa T,DeAngelis RJ,Koyama Y,DeLuca PP

更新日期：1988-07-01 00:00:00

abstract：PURPOSE:Cationic host defence peptides constitute a promising class of therapeutic drug leads with a wide range of therapeutic applications, including anticancer therapy, immunomodulation, and antimicrobial activity. Although potent and efficacious, systemic toxicity and low chemical stability have hampered their comme...

journal_title：Pharmaceutical research

authors： Water JJ,Kim Y,Maltesen MJ,Franzyk H,Foged C,Nielsen HM

更新日期：2015-08-01 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：:Esmolol hydrochloride degrades in aqueous solutions by the hydrolysis of a labile aliphatic carboxyester group. The products are methanol and ASL-8123. The resulting aliphatic carboxylic acid moiety (ASL-8123) has a pK of 4.80, which is within 1 pH unit of the pH of the formulation. ASL-8123 therefore acts as a "secon...

journal_title：Pharmaceutical research

authors： Rosenberg LS,Hostetler CK,Wagenknecht DM,Aunet DA

更新日期：1988-08-01 00:00:00

abstract：PURPOSE:To examine the effect of particle size and morphology on aerosol dispersion using jet-milled and spray-dried mannitol particles in narrow size distributions within the respirable range. METHODS:Particle size and morphology were examined by laser diffraction and scanning electron microscopy, respectively. Aeros...

journal_title：Pharmaceutical research

authors： Louey MD,Van Oort M,Hickey AJ

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:Nonlinear conjugation metabolic rate of valproic acid (VPA) has been speculated previously from plasma elimination and liver concentration of VPA in guinea pigs. The purposes of the present study were to assess our speculation by direct measurement of VPA glucuronidation rate in vitro. METHODS:VPA at various c...

journal_title：Pharmaceutical research

authors： Yu HY,Shen YZ

更新日期：1996-08-01 00:00:00

abstract：PURPOSE:Tumor vascular normalization by antiangiogenic agents may increase tumor perfusion but reestablish vascular barrier properties in CNS tumors. Vascular priming via nanoparticulate carriers represents a mechanistically distinct alternative. This study investigated mechanisms by which sterically-stabilized liposom...

journal_title：Pharmaceutical research

authors： Roy Chaudhuri T,Arnold RD,Yang J,Turowski SG,Qu Y,Spernyak JA,Mazurchuk R,Mager DE,Straubinger RM

更新日期：2012-12-01 00:00:00

abstract：PURPOSE:The development of a new two-dimensional (2D) model to predict follicular permeation, with integration into a recently reported multi-scale model of transdermal permeation is presented. METHODS:The follicular pathway is modelled by diffusion in sebum. The mass transfer and partition properties of solutes in li...

journal_title：Pharmaceutical research

authors： Kattou P,Lian G,Glavin S,Sorrell I,Chen T

更新日期：2017-10-01 00:00:00

abstract：PURPOSE:Present study assessed the influence of gallate esterification on the anti-cancer activity of procyanidin B2 (B2) in androgen-dependent human prostate carcinoma LNCaP cells employing B2-3,3'-di-O-gallate (B2-G(2)), two mono-gallate esters B2-3-O-gallate (B2-3G) and B2-3'-O-gallate (B2-3'G) and the parent compou...

journal_title：Pharmaceutical research

authors： Chou SC,Kaur M,Thompson JA,Agarwal R,Agarwal C

更新日期：2010-04-01 00:00:00

abstract：:Liver fibrosis is a pathological condition originating from liver damage that leads to excess accumulation of extracellular matrix (ECM) proteins in the liver. Viral infection, chronic injury, local inflammatory responses and oxidative stress are the major factors contributing to the onset and progression of liver fib...

journal_title：Pharmaceutical research

authors： Kumar V,Mahato RI

更新日期：2015-02-01 00:00:00