Control of Globular Protein Thermal Stability in Aqueous Formulations by the Positively Charged Amino Acid Excipients.

abstract：:Patients with burn wounds are susceptible to wound infection and sepsis. This research introduces a novel burn wound dressing that contains silver nanoparticles (SNPs) to treat infection in a 2-acrylamido-2-methylpropane sulfonic acid sodium salt (AMPS-Na(+) ) hydrogel. Silver nitrate was dissolved in AMPS-Na(+) solut...

journal_title：Journal of pharmaceutical sciences

authors： Boonkaew B,Barber PM,Rengpipat S,Supaphol P,Kempf M,He J,John VT,Cuttle L

更新日期：2014-10-01 00:00:00

abstract：:A convenient and sensitive analytical method for determination of plasma morphine and its metabolites in cancer patients was established using HPLC with a column-switching technique. Sample plasma which has been deproteinized with trichloroacetic acid is injected onto a precolumn, then the compounds of interest are pr...

journal_title：Journal of pharmaceutical sciences

authors： Konishi M,Hashimoto H

更新日期：1990-05-01 00:00:00

abstract：:Chagas disease due to chronic infection with Trypanosoma cruzi is a neglected cause of heart disease, affecting approximately 6-10 million individuals in Latin America and elsewhere. T. cruzi Tc24, a calcium-binding protein in the flagellar pocket of the parasite, is a candidate antigen for an injectable therapeutic v...

journal_title：Journal of pharmaceutical sciences

authors： Biter AB,Weltje S,Hudspeth EM,Seid CA,McAtee CP,Chen WH,Pollet JB,Strych U,Hotez PJ,Bottazzi ME

更新日期：2018-05-01 00:00:00

abstract：:The stereoselective pharmacokinetics of suprofen enantiomers has been studied in humans by means of stable isotope-labeled pseudoracemate-diastereomer methodology. After a single oral dose of a near equimolar mixture of unlabeled-(R)-(-)- and [2H3]-(S)-(+)-suprofen [or unlabeled-(S)- and [2H3]-(R)-suprofen] to three h...

journal_title：Journal of pharmaceutical sciences

authors： Shinohara Y,Magara H,Baba S

更新日期：1991-11-01 00:00:00

abstract：:There is a recognized need for new approaches to understand unit operations with pharmaceutical relevance. A method for analyzing complex interactions in experimental data is introduced. Higher-order interactions do exist between process parameters, which complicate the interpretation of experimental results. In this ...

journal_title：Journal of pharmaceutical sciences

authors： Naelapää K,Allesø M,Kristensen HG,Bro R,Rantanen J,Bertelsen P

更新日期：2009-05-01 00:00:00

abstract：:The comparative pharmacokinetics of free MTP-PE (muramyl tripeptide phosphatidyl ethanolamine) and MTP-PE entrapped in negatively charged multilamellar liposomes (liposomal MPT-PE) was evaluated in rats at a bolus intravenous (i.v.) dose of 0.2 mg/kg and in dogs at a bolus i.v. dose of 0.1 mg/kg. Additional studies we...

journal_title：Journal of pharmaceutical sciences

authors： Gay B,Cardot JM,Schnell C,van Hoogevest P,Gygax D

更新日期：1993-10-01 00:00:00

abstract：:Heckel analysis, tablet tensile strength, and indentation hardness were determined for a series of sieved and roller compacted microcrystalline cellulose mixtures under both unlubricated and lubricated conditions with magnesium stearate. These results have been used to evaluate the loss of reworkability following roll...

journal_title：Journal of pharmaceutical sciences

authors： He X,Secreast PJ,Amidon GE

更新日期：2007-05-01 00:00:00

abstract：:A new method for determining a quaternary mixture of vitamins B6, B1, and B12 and uridine 5'-triphosphate (UPT) using second-derivative spectrophotometry is described. Calibration graphs were linear up to 30 micrograms/mL of vitamin B6 at 307 nm (r = 0.9999) and vitamin B1 at 282.7 nm (r = 0.9997) and up to 35 microgr...

journal_title：Journal of pharmaceutical sciences

authors： Morelli B

更新日期：1995-01-01 00:00:00

abstract：:The present study aimed to develop optimized quercetin (QT)-loaded self-nanoemulsifying drug delivery system (SNEDDS) that offers protective effect against liver damage. Solubility study of QT in different oils, surfactants, and cosurfactants was performed. Ternary phase mixtures of the selected components were constr...

journal_title：Journal of pharmaceutical sciences

authors： Ahmed OA,Badr-Eldin SM,Tawfik MK,Ahmed TA,El-Say KM,Badr JM

更新日期：2014-02-01 00:00:00

abstract：:A method for preparing polyanhydride granules of an injectable size was developed. The resulting granules permitted a nearly constant release of low-molecular-weight, water-soluble drugs without an initial burst. The polyanhydrides used were poly(fatty acid dimer), poly(sebacic acid), and their copolymers. The dyes ac...

journal_title：Journal of pharmaceutical sciences

authors： Tabata Y,Domb A,Langer R

更新日期：1994-01-01 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：:Protein higher order structure (HOS) is an essential quality attribute to ensure protein stability and proper biological function. Protein HOS characterization is performed during comparability assessments for product consistency as well as during forced degradation studies for structural alteration upon stress. Circu...

journal_title：Journal of pharmaceutical sciences

authors： Barnett GV,Balakrishnan G,Chennamsetty N,Meengs B,Meyer J,Bongers J,Ludwig R,Tao L,Das TK,Leone A,Kar SR

更新日期：2018-10-01 00:00:00

abstract：:Simple and sensitive enzyme immunoassays (EIAs), discriminating a new angiotensin-converting enzyme (ACE) inhibitor, cilazapril [9(s) - [1(s)-(ethoxycarbonyl)-3-phenylpropylamino]-octahydro-10-oxo-6H- pyridazo[1,2-a] [1,2]diazepine-1(s)carboxylic acid] and its active metabolite [9(s)-[1(s)-carboxy-3-phenylpropylamino]...

journal_title：Journal of pharmaceutical sciences

authors： Tanaka H,Yoneyama Y,Sugawara M,Umeda I,Ohta Y

更新日期：1987-03-01 00:00:00

abstract：:This work was to investigate the effects of particle size and paddle speed on the particle diffusional layer thickness h(app) in a USP dissolution apparatus II. After the determination of the powder dissolution rates of five size fractions of fenofibrate, including <20, 20-32, 32-45, 63-75, and 90-106 microm, the pres...

journal_title：Journal of pharmaceutical sciences

authors： Sheng JJ,Sirois PJ,Dressman JB,Amidon GL

更新日期：2008-11-01 00:00:00

abstract：:The rising popularity of microwaves for drying, material processing and quality sensing has fuelled the need for knowledge concerning dielectric properties of common pharmaceutical materials. This article represents one of the few reports on the density and moisture content dependence of the dielectric properties of p...

journal_title：Journal of pharmaceutical sciences

authors： Heng PW,Loh ZH,Liew CV,Lee CC

更新日期：2010-02-01 00:00:00

abstract：:In drug release systems using hydrogels as carriers, the presence of the polymer network will reduce the drug release rate, which can extend the release period. For a controlled-release process of drug, usually the ideal situation is to get a zero-order drug release rate. In this paper, the mathematical model of hydro...

journal_title：Journal of pharmaceutical sciences

authors： Xu Y,Jia Y,Wang Z,Wang Z

更新日期：2013-05-01 00:00:00

abstract：:Methods were developed for the determination of octanoic acid and N-acetyl-DL-tryptophan, which are used as stabilizers in the human blood-derived therapeutic products normal serum albumin and plasma protein fraction. The method for octanoic acid uses GC; quantitation is achieved using heptanoic acid as the internal s...

journal_title：Journal of pharmaceutical sciences

authors： Yu MW,Finlayson JS

更新日期：1984-01-01 00:00:00

abstract：:A high-pressure liquid chromatographic procedure for the accurate determination of disopyramide and its chief metabolite in plasma is presented. The method is suitable for monitoring patients receiving disopyramide therapy. A reversed-phase cyanopropylsilane column is utilized with a mobile phase of 50% acetonitrile a...

journal_title：Journal of pharmaceutical sciences

authors： Nygard G,Shelver WH,Khalil SK

更新日期：1979-10-01 00:00:00

abstract：:The granule strength (crushing load) of lactose granulated with 1-9% povidone was measured initially and at intervals during a 1-year period. The granule strengths of dibasic calcium phosphate dihydrate granulated with various concentrations of starch and povidone were measured. The axial and radial tensile strengths ...

journal_title：Journal of pharmaceutical sciences

authors： Jarosz PJ,Parrott EL

更新日期：1983-05-01 00:00:00

abstract：:A Bayesian approach was developed to determine an amikacin dosage regimen to achieve the desired plasma concentrations for each patient. Statistical characteristics of pharmacokinetic parameters were first evaluated in a group of patients (reference population), which when combined with three individual plasma concent...

journal_title：Journal of pharmaceutical sciences

authors： Garraffo R,Iliadis A,Cano JP,Dellamonica P,Lapalus P

更新日期：1989-09-01 00:00:00

abstract：:Coralyne analogues, isomers, and related alkaloids were examined as inhibitors of reverse transcriptase of RNA tumor viruses in the presence of polyriboadenylic acid-oligodeoxythymidylic acid (Poly rA.oligo dT), polydeoxyadenylic acid-oligodeoxythymidylic acid (Poly dA.oligo dT), polyribocytidylic acid-oligodeoxyguany...

journal_title：Journal of pharmaceutical sciences

authors： Sethi ML

更新日期：1985-08-01 00:00:00

abstract：:Paclitaxel and other taxanes have complex structures including the presence of numerous hydrolytically sensitive ester groups and a chiral center that readily undergoes epimerization thus making their kinetics complex. The present study attempts to understand the mechanism of epimerization at the 7-position of paclita...

journal_title：Journal of pharmaceutical sciences

authors： Tian J,Stella VJ

更新日期：2008-03-01 00:00:00

abstract：:In this study, curcumin and/or docosahexaenoic acid (DHA) were encapsulated in Thai silk fibroin/gelatin (SF/G) sponges, prepared at different blending ratios, aimed to be applied as a controlled release system for localized cancer therapy. The SF/G sponges were fabricated by freeze-drying and glutaraldehyde cross-lin...

journal_title：Journal of pharmaceutical sciences

authors： Lerdchai K,Kitsongsermthon J,Ratanavaraporn J,Kanokpanont S,Damrongsakkul S

更新日期：2016-01-01 00:00:00

abstract：:Bisphosphonates are widely used for the treatment of bone diseases, including hypercalcemia and osteoporosis. However, the bioavailability (BA) of orally administered bisphosphonates is low, at approximately 0.9%-1.8%. In addition, the oral administration of bisphosphonates is associated with mucosal damage, including...

journal_title：Journal of pharmaceutical sciences

authors： Katsumi H,Takashima M,Sano J,Nishiyama K,Kitamura N,Sakane T,Hibi T,Yamamoto A

更新日期：2011-09-01 00:00:00

abstract：:The adsorption of quinidine onto kaolin was studied as a function of pH in aqueous solutions in which the ionic strength was adjusted to 0.1. The interaction of quinidine with pectin also was investigated in water and in phosphate buffer; the buffer pH and ionic strength were adjusted to 6.5 and 0.1, respectively. The...

journal_title：Journal of pharmaceutical sciences

authors： Bucci AJ,Myre SA,Tan HS,Shenouda LS

更新日期：1981-09-01 00:00:00

abstract：:Four solvates of erythromycin have been crystallographically characterized. The solvates of THF and dioxane are very similar but differ in notable ways. The isopropanol solvate exhibits uncommon modes of hydrogen bonding, which have previously been seen only in the erythomycin B hydrate. The methanol solvate is striki...

journal_title：Journal of pharmaceutical sciences

authors： Henry R,Zhang GG

更新日期：2007-05-01 00:00:00

abstract：:Emerging 3D printing technologies offer an exciting opportunity to create customized 3D objects additively from a digital design file. 3D printing may be further leveraged for personalized medicine, clinical trial, and controlled release applications. A wide variety of 3D printing methods exists, and many studies focu...

journal_title：Journal of pharmaceutical sciences

authors： Chang SY,Li SW,Kowsari K,Shetty A,Sorrells L,Sen K,Nagapudi K,Chaudhuri B,Ma AWK

更新日期：2020-10-01 00:00:00

abstract：:Apparent micellar molecular weights were determined with the antibiotic fusidate sodium by ultracentrifugation in varying counterion concentrations (Na+). The effects of buffer salts, pH, sodium chloride concentration, and drug concentration were studied. The results strongly support the concept of the formation of pr...

journal_title：Journal of pharmaceutical sciences

authors： Richard AJ

更新日期：1975-05-01 00:00:00

abstract：:Cyclosporin A (CyA) interacts with lipid membranes. Binding reaction and membrane location of CyA and analogs were examined with 2H-NMR, high-sensitivity isothermal titration calorimetry (ITC), and CD spectroscopy. Effects of CyA and charged analogs on the phosphocholine head group and on the membrane interior were in...

journal_title：Journal of pharmaceutical sciences

authors： Schote U,Ganz P,Fahr A,Seelig J

更新日期：2002-03-01 00:00:00

abstract：:Reported estrone pKa and solubility data show wide variation. Improved experimental procedures were designed and used to obtain reproducible results. The pKa values for several estrogens and related compounds also were determined to assess the effects of structural differences on ionization. No evidence was obtained f...

journal_title：Journal of pharmaceutical sciences

authors： Hurwitz AR,Liu ST

更新日期：1977-05-01 00:00:00