Interlaboratory comparison of analytical methods for residual ethylene oxide at low concentration levels in medical device materials.

abstract：:The spherically agglomerated crystals of aminophylline (theophylline-ethylenediamine complex) can be compounded directly into pharmaceutical formulations without further processing, e.g., granulation. Such crystals were prepared by mixing theophylline and ethylenediamine in a partially miscible solvent system, i.e., o...

journal_title：Journal of pharmaceutical sciences

authors： Kawashima Y,Aoki S,Takenaka H,Miyake Y

更新日期：1984-10-01 00:00:00

abstract：:The growing interest of pharmaceutical companies toward the crystal morphology prediction of active pharmaceutical ingredients is a consequence of the dramatic effect of the crystal habit on the tableting behavior of drugs. In order to help the optimization of the industrial process, molecular mechanics calculations t...

journal_title：Journal of pharmaceutical sciences

authors： Li Destri G,Marrazzo A,Rescifina A,Punzo F

更新日期：2013-01-01 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：:It is shown that tricalcium phosphate follows a simple Heckel relationship in pressures of usual tablet compression, only if a density of 1.92 g/mL is used. This coincides with the density obtained by wet pycnometry, whereas the crystallographical density is 3.1 g/mL. The interpretation is that some of the pore space ...

journal_title：Journal of pharmaceutical sciences

authors： Hou XP,Carstensen JT

更新日期：1985-04-01 00:00:00

abstract：:High protein concentration formulations are required for low-volume administration of therapeutic antibodies targeted for subcutaneous, self-administration by patients. Ultra-high concentrations (≥150 mg/mL) can lead to dramatically increased solution viscosities, which in turn can lead to stability, manufacturing, an...

journal_title：Journal of pharmaceutical sciences

authors： Whitaker N,Xiong J,Pace SE,Kumar V,Middaugh CR,Joshi SB,Volkin DB

更新日期：2017-11-01 00:00:00

abstract：:Progesterone release from monolithic devices prepared from various copolymers of poly(hydroxyethyl methacrylate) and poly(methoxyethoxyethyl methacrylate) or poly(methoxyethyl methacrylate) was examined. In general, plots of the fraction of drug released versus (time)1/2 were linear during the early stages of drug rel...

journal_title：Journal of pharmaceutical sciences

authors： Song SZ,Cardinal JR,Kim SH,Kim SW

更新日期：1981-02-01 00:00:00

abstract：:Bilateral adrenalectomy (10 days) increased the monoamine oxidase activity of the rat heart, vas deferens, spleen, superior cervical ganglion, and hypothalamus but not that of the rest of the brain, kidney, and liver. Experiments were made to determine whether the increased activity was due to neurogenic influences an...

journal_title：Journal of pharmaceutical sciences

authors： Clarke DE,Sampath SS

更新日期：1976-01-01 00:00:00

abstract：:Despite being a major breakthrough in multiple myeloma therapy, carfilzomib (CFZ, a second-generation proteasome inhibitor drug) has been largely ineffective against solid cancer, possibly due to its pharmacokinetic drawbacks including metabolic instability. Recently, quinic acid (QA, a low-affinity ligand of selectin...

journal_title：Journal of pharmaceutical sciences

authors： Jun Y,Xu J,Kim H,Park JE,Jeong YS,Min JS,Yoon N,Choi JY,Yoo J,Bae SK,Chung SJ,Yeo Y,Lee W

更新日期：2020-04-01 00:00:00

abstract：:Small particles of two steroids, cholesteryl acetate and beta-sitosterol, were prepared by the following technique. The steroid was dissolved in an organic solvent, which was emulsified in water in the presence of surfactant, thus giving a water-continuous emulsion. As the organic solvent was evaporated, the steroid p...

journal_title：Journal of pharmaceutical sciences

authors： Sjöström B,Bergenståhl B,Kronberg B

更新日期：1993-06-01 00:00:00

abstract：:Targeted echogenic liposome dispersions for ultrasonic enhancement of vasoactive and pathological components of endothelium and atherosclerosis have recently been developed. The component lipids required for acoustic and targeting properties include phosphatidylcholine, phosphatidylethanolamine phosphatidylglycerol (P...

journal_title：Journal of pharmaceutical sciences

authors： Huang SL,Hamilton AJ,Nagaraj A,Tiukinhoy SD,Klegerman ME,McPherson DD,Macdonald RC

更新日期：2001-12-01 00:00:00

abstract：:An automated potentiometric procedure was used for studying in vitro dissolution kinetics of acidic drugs. Theoretical considerations indicated that the pH-stat method could be used to establish approximate sink conditions or, possibly, a perfect sink. Data obtained from dissolution studies using the pH-stat method we...

journal_title：Journal of pharmaceutical sciences

authors： Underwood FL,Cadwallader DE

更新日期：1978-08-01 00:00:00

abstract：:Alkyl esters of ketorolac were synthesized as potential prodrugs for transdermal delivery and evaluated to determine the relationship between their skin permeation characteristics and their physicochemical properties. Solubility of the prodrugs in various vehicles was determined at room temperature while lipophilicity...

journal_title：Journal of pharmaceutical sciences

authors： Doh HJ,Cho WJ,Yong CS,Choi HG,Kim JS,Lee CH,Kim DD

更新日期：2003-05-01 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：: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：:Porcine gelatins have been widely used as stabilizers of macromolecular based pharmaceuticals but the mechanism by which they stabilize has not been precisely established. Their variability and immunogenicity, however, make them less than ideal excipients. In this work, we take advantage of the availability of recombi...

journal_title：Journal of pharmaceutical sciences

authors： Thyagarajapuram N,Olsen D,Middaugh CR

更新日期：2007-12-01 00:00:00

abstract：:The aim of this review is to describe the theoretical background lying behind the solid drug mechanochemical activation by cogrinding pointing out its advantages and drawbacks. A brief historical introduction precedes the discussion about the mechanisms leading to solid drug activation. This allows to clarify the conc...

journal_title：Journal of pharmaceutical sciences

authors： Colombo I,Grassi G,Grassi M

更新日期：2009-11-01 00:00:00

abstract：:Pretreatment with cyclosporine reportedly prolongs the effect of certain general anesthetics in humans and the sleeping time of mice after pentobarbital administration. This investigation was designed to determine the mechanism(s) of the cyclosporine-barbiturate interaction. Adult female Wistar rats received cyclospor...

journal_title：Journal of pharmaceutical sciences

authors： Hoffman A,Levy G

更新日期：1990-01-01 00:00:00

abstract：:The aims of the present study were to formulate stable onion phases of the biodegradable surfactant PEG-8 Distearate (PEG8DS) and evaluate application of the onion phases in encapsulating sumatriptan succinate, a BCS class III potent antimigraine drug. Drug loaded and placebo onion phases were prepared by shearing lyo...

journal_title：Journal of pharmaceutical sciences

authors： Redkar M,Hassan PA,Aswal V,Devarajan P

更新日期：2007-09-01 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：:Nephropathic cystinosis is a rare autosomal recessive disease characterised by raised lysosomal levels of cystine in the cells of all the organs. It is treated by the 6-h oral administration of the aminothiol, cysteamine, which has an offensive taste and smell. In an attempt to reduce this frequency and improve the tr...

journal_title：Journal of pharmaceutical sciences

authors： Buchan B,Kay G,Matthews KH,Cairns D

更新日期：2012-10-01 00:00:00

abstract：:The determination of reactive fractal dimension was carried out using two forms of the Noyes-Whitney equation, -dQ/dt = K(Q/Q0)DR/3 and -dQ/dt = K'RDR-3 using the Richardson plot on the basis of previous data obtained by dissolution of an orthoboric acid powder. The correlation of the results provided by the two ways ...

journal_title：Journal of pharmaceutical sciences

authors： Tromelin A,Gnanou JC,Andrès C,Pourcelot Y,Chaillot B

更新日期：1996-09-01 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：:Acrylic acid-esterified starch was produced by reacting starch with acrylic acid chloride. This reaction was rapid and easy to control. Introduction of acrylic groups into starch reduced the enzymatic degradability of starch (e.g., with 12 acrylic groups/100 glucose residues, approximately 75% of the degradation produ...

journal_title：Journal of pharmaceutical sciences

authors： Laakso T,Sjöholm I

更新日期：1987-12-01 00:00:00

abstract：:Adsorption isotherms for the diazepam-activated carbon system in simulated intestinal fluid (SIF), without pancreatin, and in SIF with different percentages of ethanol were determined as were the solubilities of diazepam in SIF and in SIF with different percentages of ethanol. The surface area of the activated carbon ...

journal_title：Journal of pharmaceutical sciences

authors： Wurster DE,Alkhamis KA,Matheson LE

更新日期：2003-10-01 00:00:00

abstract：:The assessment of provenance of heparin is becoming a major concern for the pharmaceutical industry and its regulatory bodies. Batch-specific [carbon (δ(13) C), nitrogen (δ(15) N), oxygen (δ(18) O), sulfur (δ(34) S), and hydrogen (δD)] stable isotopic compositions of five different animal-derived heparins were perform...

journal_title：Journal of pharmaceutical sciences

authors： Jasper JP,Zhang F,Poe RB,Linhardt RJ

更新日期：2015-02-01 00:00:00

abstract：:P,P-Bis(1-aziridinyl)-N-1-adamantylphosphinic amide displayed oncolytic activity against intracerebral and intraperitoneal L-1210 leukemia. Administration of the isotope-labeled compound to rats shows 32P distribution to the brain. ...

journal_title：Journal of pharmaceutical sciences

authors： Cates LA,Cramer MB

更新日期：1976-03-01 00:00:00

abstract：:Characterizing and quantifying subvisible particles in protein drug products is critical to ensuring product quality. A variety of analytical methods are used to detect and make meaningful measurements of subvisible particles. Resonant mass measurement (RMM) is a novel technology that characterizes the subvisible part...

journal_title：Journal of pharmaceutical sciences

authors： Krueger AB,Hadley J,Cheney PP,Markova N,Carpenter JF,Fradkin AH

更新日期：2019-05-01 00:00:00

abstract：:The degradation kinetics of moricizine hydrochloride (1) were examined over a pH range of 0.6 to 6.0 at an ionic strength of 0.3 and 60 degrees C. The disappearance of intact 1 was followed by a stability-indicating HPLC assay. The degradation products, which had approximate solubilities of less than 100 micrograms/mL...

journal_title：Journal of pharmaceutical sciences

authors： King SP,Sigvardson KW,Dudzinski J,Torosian G

更新日期：1992-06-01 00:00:00

abstract：:Three series of 3,4,5-trisubstituted pyrazolesulfonylurea derivatives were prepared and evaluated as hypoglycemic agents. Preliminary biological testing revealed that the new compounds possess moderate hypoglycemic activity. ...

journal_title：Journal of pharmaceutical sciences

authors： Soliman R,Mokhtar H,Mohamed HF

更新日期：1983-09-01 00:00:00

abstract：:In water, the antineoplastic drug cisplatin, cis-[PtCl2(NH3)2] (1) hydrolyses slowly to the aqua complexes cis-[Pt(NH3)2Cl(H2O)]+ (2) and, to a small extent, cis-[Pt(NH3)2(H2O)2]2+ (3), which are thought to play an important role in the metabolism of cisplatin. HPLC is a useful technique for monitoring 2 and 3, but on...

journal_title：Journal of pharmaceutical sciences

authors： El-Khateeb M,Appleton TG,Charles BG,Gahan LR

更新日期：1999-03-01 00:00:00