Intrinsic factor-mediated binding of cyanocobalamin to cholestyramine.

abstract：:The storage of drug substance at subzero temperatures mitigates potential risks associated with liquid storage, such as degradation and shipping stress, making it the best solution for long-term storage. However, slower (generally uncontrolled) rates of freezing and thawing of drug substance in conventional large stor...

journal_title：Journal of pharmaceutical sciences

authors： Rayfield WJ,Kandula S,Khan H,Tugcu N

更新日期：2017-08-01 00:00:00

abstract：:A sensitive, specific high-performance liquid chromatographic procedure was developed for the determination of plasma ethmozin levels. Basic plasma samples were partitioned with methylene chloride. The organic extract was washed with water and then evaporated to dryness under reduced pressure. The residue was redissol...

journal_title：Journal of pharmaceutical sciences

authors： Whitney CC,Weinstein SH,Gaylord JC

更新日期：1981-04-01 00:00:00

abstract：:Corneal permeability data taken from the literature were analyzed for possible quantitative relationships with physicochemical properties. Although a parabolic relationship was obtained with good correlation between lipophilicity, as expressed by the 1-octanol-water partition coefficients, log Poctanol (or the distrib...

journal_title：Journal of pharmaceutical sciences

authors： Yoshida F,Topliss JG

更新日期：1996-08-01 00:00:00

abstract：:The purpose of this study was to examine the external predictability of an in vitro-in vivo correlation (IVIVC) for a metoprolol hydrophilic matrix extended-release formulation, with an acceptable internal predictability, in the presence of a range of formulation/manufacturing changes. In addition, this report evaluat...

journal_title：Journal of pharmaceutical sciences

authors： Mahayni H,Rekhi GS,Uppoor RS,Marroum P,Hussain AS,Augsburger LL,Eddington ND

更新日期：2000-10-01 00:00:00

abstract：:As reported in the previous commentary (Ishii-Watabe et al., J Pharm Sci 2017), the Japanese biopharmaceutical research group is promoting collaborative multilaboratory studies to evaluate and standardize new methodologies for biopharmaceutical characterization and quality control. We have conducted the studies and he...

journal_title：Journal of pharmaceutical sciences

authors： Ishii-Watabe A,Shibata H,Suetomo H,Ikeda Y,Telikepalli S,Kiyoshi M,Hayashi Y,Muto T,Tanaka Y,Ueda S,Iwura T,Saitoh S,Aoyama M,Harazono A,Hyuga M,Goda Y,Torisu T,Uchiyama S

更新日期：2020-05-01 00:00:00

abstract：:Carbamazepine is the first-line anti-epileptic drug for focal seizures and generalized tonic-clonic seizures. Although sustained-release formulations exist, an initial burst of drug release is still present and this results in side effects. Zero-order release formulations reduce fluctuations in serum drug concentratio...

journal_title：Journal of pharmaceutical sciences

authors： Lim SH,Chia SM,Kang L,Yap KY

更新日期：2016-07-01 00:00:00

abstract：:Recent in vitro and in vivo studies have suggested transscleral iontophoresis as a means for non-invasive drug delivery to the eye. However, there remains a lack of information of the iontophoretic transport behavior of the sclera. The objective of the present study was to investigate the effects of permeant concentra...

journal_title：Journal of pharmaceutical sciences

authors： Li SK,Zhang Y,Zhu H,Higuchi WI,White HS

更新日期：2005-04-01 00:00:00

abstract：:The pre-equilibrium capillary zone electrophoretic (pre-eq CZE) method to determine association constants of active anionic forms of antithyroid drugs: 6-n-propyl-2-thiouracil (PTU), 6-methyl-2-thiouracil (MTU), 2-thiouracil (TU) with bovine serum albumin (BSA) under physiological pH 7.4 has been developed for the fir...

journal_title：Journal of pharmaceutical sciences

authors： Chernov'yants MS,Dolinkin AO,Chernyshev AV,Khohlov EV,Golovanova EG

更新日期：2010-03-01 00:00:00

abstract：:The stability of aqueous solutions of luteinizing hormone-releasing hormone (LHRH) after extended storage at various temperatures was investigated using a newly developed HPLC assay and an in vitro dispersed pituitary cell culture bioassay. Good correlations were obtained between the potency obtained by HPLC and bioas...

journal_title：Journal of pharmaceutical sciences

authors： Shi YF,Sherins RJ,Brightwell D,Gallelli JF,Chatterji DC

更新日期：1984-06-01 00:00:00

abstract：:Tryptophan (Trp) oxidation in proteins leads to a number of events, including changes in color, higher order structure (HOS), and biological activity. We describe here a number of new findings through a comprehensive characterization of 6 monoclonal antibodies (mAbs) following selective oxidation of Trp residues by 2,...

journal_title：Journal of pharmaceutical sciences

authors： Barnett GV,Balakrishnan G,Chennamsetty N,Hoffman L,Bongers J,Tao L,Huang Y,Slaney T,Das TK,Leone A,Kar SR

更新日期：2019-06-01 00:00:00

abstract：:Econazole is a feasible alternative treatment in the management of fungal keratitis. Nevertheless, its low water solubility is considered the main limitation to the incorporation into ophthalmic formulations. In this work, econazole nitrate is solubilized by using cyclodextrins to achieve an optimum therapeutic concen...

journal_title：Journal of pharmaceutical sciences

authors： Díaz-Tomé V,Luaces-Rodríguez A,Silva-Rodríguez J,Blanco-Dorado S,García-Quintanilla L,Llovo-Taboada J,Blanco-Méndez J,García-Otero X,Varela-Fernández R,Herranz M,Gil-Martínez M,Lamas MJ,González-Barcia M,Otero-Espinar FJ,Fern

更新日期：2018-05-01 00:00:00

abstract：:The synthesis, hydrolysis rate, and bioavailability of 1-(p-acetaminophenoxy)-1-ethoxyethane, an acetaminophen prodrug, are described. The prodrug is less soluble than acetaminophen and stable at neutral pH. However, in an acidic environment, the compound cleaves rapidly, generating acetaminophen. When both the prodru...

journal_title：Journal of pharmaceutical sciences

authors： Hussain A,Kulkarni P,Perrier D

更新日期：1978-04-01 00:00:00

abstract：:Flumizole is a potent anti-inflammatory agent in animal models with an inhibitory activity severalfold that of indomethacin in rat foot edema and prostaglandin synthetase tests. The drug was well absorbed from the GI tract when administered in the solution used in pharmacological assays. However, markedly poorer absor...

journal_title：Journal of pharmaceutical sciences

authors： Wiseman EH,McIlhenny HM,Bettis JW

更新日期：1975-09-01 00:00:00

abstract：:Nadolol was extracted from tablet excipients with an acidic potassium chloride solution. The drug was oxidized with periodic acid, and the resulting aldehyde was reacted with 2,4-dinitrophenylhydrazine to form the corresponding hydrazone. Excess reagent was removed with a cupric chloride solution. The hydrazone was ex...

journal_title：Journal of pharmaceutical sciences

authors： Ivashikiv E

更新日期：1978-07-01 00:00:00

abstract：:Thiamine hydrochloride (Vitamin B(1), THCl) can exist as a nonstoichiometric hydrate (NSH) and as a hemihydrate (HH). NSH can contain up to approximately 1 molar equivalent of water and be dehydrated to an isomorphic desolvate (ID) with minimal change in lattice structure. Crystallographic and spectroscopic techniques...

journal_title：Journal of pharmaceutical sciences

authors： Chakravarty P,Berendt RT,Munson EJ,Young VG Jr,Govindarajan R,Suryanarayanan R

更新日期：2010-02-01 00:00:00

abstract：:In many manufacturing and research areas, the ability to accurately monitor and characterize nanoparticles is becoming increasingly important. Nanoparticle tracking analysis is rapidly becoming a standard method for this characterization, yet several key factors in data acquisition and analysis may affect results. Nan...

journal_title：Journal of pharmaceutical sciences

authors： Krueger AB,Carnell P,Carpenter JF

更新日期：2016-04-01 00:00:00

abstract：:Sonication process is regularly adopted for dispersing single-walled carbon nanotubes (SWCNTs) in an aqueous medium. This can be achieved by either covalent functionalization of SWCNTs with strong acid or by noncovalent functionalization using dispersants that adsorb onto the surface of SWCNTs during dispersion. Becau...

journal_title：Journal of pharmaceutical sciences

authors： Koh B,Cheng W

更新日期：2015-08-01 00:00:00

abstract：:The kinetics and pathways for degradation of (+/-)-4'-ethyl-2-methyl-3-(1-pyrrolidinyl)propiophenone hydrochloride (HY-770; 1), a newly developed muscle-relaxing agent, and its analogues were studied in aqueous solution at 50 degrees C, ionic strength 0.5 M, and pH 8.0-12.0. Compound 1 and its four analogues followed ...

journal_title：Journal of pharmaceutical sciences

authors： Nagata O,Terasaki T,Yada E,Sato H,Tamai I,Tsuji A

更新日期：1989-01-01 00:00:00

abstract：:Angiogenesis--process of new blood-vessel growth from existing vasculature--is an integral part of both normal developmental processes and numerous pathologies such as cancer, ischemic diseases and chronic inflammation. Angiogenesis plays a crucial role facilitating tumour growth and the metastatic process, and it is ...

journal_title：Journal of pharmaceutical sciences

authors： Mauriz JL,González-Gallego J

更新日期：2008-10-01 00:00:00

abstract：:The delamination of glass contact surfaces because of hydrolytic instability has been well documented. However, the lack of glass surface integrity can also lead to other undesirable outcomes prior to visible glass delamination. This work shows how the early stages of delamination, namely, glass corrosion, can influen...

journal_title：Journal of pharmaceutical sciences

authors： Watkins MA,Iacocca RG,Shelbourn TL,Dong X,Stobba-Wiley C

更新日期：2014-08-01 00:00:00

abstract：:The human immunodeficiency virus has infected millions of people and the epidemic continues to grow rapidly in some parts of the world. Antiretroviral (ARV) therapy has provided improved treatment and prolonged the life expectancy of patients. Moreover, there is growing interest in using ARVs to protect against new in...

journal_title：Journal of pharmaceutical sciences

authors： Kirtane AR,Langer R,Traverso G

更新日期：2016-12-01 00:00:00

abstract：:This paper describes the synthesis and characterization of cationic copolymers with different macromolecular architecture and drug delivery properties of the corresponding dexamethasone sodium phosphate (DSP)-loaded systems. Copolyelectrolytes comprising poly[2-(acryloyloxy)ethyl] trimethylammonium chloride (PAETMAC) ...

journal_title：Journal of pharmaceutical sciences

authors： Georgieva D,Kostova B,Ivanova S,Rachev D,Tzankova V,Kondeva-Burdina M,Christova D

更新日期：2014-08-01 00:00:00

abstract：:Electrolytes often break emulsions to which they were added as active ingredients, adjuvants, or impurities. The stability of oil-in-water emulsions containing octoxynol 9 NF as the emulsifier and various added electrolytes was investigated by measuring droplet size, turbidity, and oil separation on storage at various...

journal_title：Journal of pharmaceutical sciences

authors： Schott H,Royce AE

更新日期：1983-12-01 00:00:00

abstract：:Modifications of antibacterial activity have been demonstrated using combinations of two antibacterials from trimethoprim, sulfonamides (sulfadiazine, sulfamerazine, and silver sulfadiazine), silver nitrate, and dibromopropamidine isethionate, either formulated in a cream base or dissolved in peptone water. The creams...

journal_title：Journal of pharmaceutical sciences

authors： Richards RM,Taylor RB,Xing DK

更新日期：1991-09-01 00:00:00

abstract：:A colorimetric procedure for benzocaine and a number of its dosage forms was developed; it offers improvement in ease, speed, and sensitivity over the official method. The method is based on the formation of a red Schiff base between benzocaine and p-dimethylaminocinnamaldehyde in a nonaqueous acidic medium. At the ma...

journal_title：Journal of pharmaceutical sciences

authors： Tan HS,Bruemmer GA,Shelton D

更新日期：1977-07-01 00:00:00

abstract：:The effects of aspirin on 14C-pirprofen disposition in the rat were studied. An oral 60-mg/kg dose of aspirin significantly reduced plasma radioactivity during the 1--8-hr interval after an intravenous 5-mg/kg injection of 14C-pirprofen. The aspirin-treated group had only 69% as much area under the radioactivity curve...

journal_title：Journal of pharmaceutical sciences

authors： Thompson TA,Borman CH,Goodblatt RS,Roth WJ 3rd

更新日期：1979-08-01 00:00:00

abstract：:Quercetin had been shown to be effective in the management of arthritis. However, bioavailability of quercetin is a concern for such treatment. This work aims at the development of intra-articular drug delivery system by controlled release of quercetin (loaded in microspheres) for the management of rheumatoid arthriti...

journal_title：Journal of pharmaceutical sciences

authors： Natarajan V,Krithica N,Madhan B,Sehgal PK

更新日期：2011-01-01 00:00:00

abstract：:Circular dichroism (CD) spectroscopy is routinely used in the biopharmaceutical industry to study the effects of manufacturing, formulation, and storage conditions on protein conformation and stability, and these results are often included in regulatory filings. In this context, the purpose of CD spectroscopy is often...

journal_title：Journal of pharmaceutical sciences

authors： Li CH,Nguyen X,Narhi L,Chemmalil L,Towers E,Muzammil S,Gabrielson J,Jiang Y

更新日期：2011-11-01 00:00:00

abstract：:Literature and experimental data relevant for the decision to allow a waiver of in vivo bioequivalence (BE) testing for the approval of immediate release (IR) solid oral dosage forms containing levetiracetam are reviewed. Data on solubility and permeability suggest that levetiracetam belongs to class I of the biopharm...

journal_title：Journal of pharmaceutical sciences

authors： Petruševska M,Berglez S,Krisch I,Legen I,Megušar K,Peternel L,Abrahamsson B,Cristofoletti R,Groot DW,Kopp S,Langguth P,Mehta M,Polli JE,Shah VP,Dressman J

更新日期：2015-09-01 00:00:00

abstract：:Drying is a common pharmaceutical process, whose potential to modify the final drug and/or dosage form properties is often underestimated. In the present study, pellets consisting of the matrix former calcium stearate (CaSt) incorporating the active pharmaceutical ingredient ibuprofen were prepared via wet extrusion a...

journal_title：Journal of pharmaceutical sciences

authors： Schrank S,Kann B,Windbergs M,Glasser BJ,Zimmer A,Khinast J,Roblegg E

更新日期：2013-11-01 00:00:00