Effect of pH on injection phlebitis.

abstract：:A stability-indicating reversed-phase high-performance liquid chromatographic method using a refractive index detector is described for the determination of propylene carbonate in pharmaceutical formulations. Good precision and accuracy of the method was demonstrated using an aqueous formulation. This method is also a...

journal_title：Journal of pharmaceutical sciences

authors： Cheng H,Gadde RR

更新日期：1985-06-01 00:00:00

abstract：:The progress in continuous downstream manufacturing of oral solid doses demands effective real-time process management, with monitoring at its core. This study evaluates the feasibility of using a commercial sensor to measure the mass flow rate of the particulates, a critical process variable in continuous manufacturi...

journal_title：Journal of pharmaceutical sciences

authors： Ganesh S,Troscinski R,Schmall N,Lim J,Nagy Z,Reklaitis G

更新日期：2017-12-01 00:00:00

abstract：:The solubility equation of Yalkowsky was used to estimate the aqueous solubility of 33 barbiturates in the temperature range of 5 to 45 degrees C. The equation was extended by adding a term which accounts for the effect of pH on the solubility of the drug. The extended equation is successful in estimating the aqueous ...

journal_title：Journal of pharmaceutical sciences

authors： Pinal R,Yalkowsky SH

更新日期：1987-01-01 00:00:00

abstract：:Ascorbic acid has a unique role in the prevention and treatment of a large number of chronic diseases, including skin disorders but it can hardly penetrate the skin due to its solubility in water and its high instability. This study explored the formation of phosphatidylcholine-based vesicles upon addition of ascorbyl...

journal_title：Journal of pharmaceutical sciences

authors： Risaliti L,Ambrosi M,Calamante M,Bergonzi MC,Lo Nostro P,Bilia AR

更新日期：2020-10-01 00:00:00

abstract：:The stereospecificity of the metabolic reduction of arylalkylketones was investigated. The ketones, propiophenone (I), phenyl-acetone (III), and 1-phenyl-1,2-propanedione (V) were reduced in vitro and in vivo in rats and rabbits to the corresponding alcohols, 1-phenyl-1-propanol (II), 1-phenyl-2-propanol (IV), and 1-p...

journal_title：Journal of pharmaceutical sciences

authors： Prelusky DB,Coutts RT,Pasutto FM

更新日期：1982-12-01 00:00:00

abstract：:Multidrug resistance (MDR) mediated by the overexpression of the drug efflux protein P-glycoprotein is one of the major obstacles to successful cancer chemotherapy. The development of safe and effective MDR-reversing agents is an important approach to addressing this problem clinically. In this study, we evaluated the...

journal_title：Journal of pharmaceutical sciences

authors： Liu R,Zhang Y,Chen Y,Qi J,Ren S,Xushi MY,Yang C,Zhu H,Xiong D

更新日期：2010-07-01 00:00:00

abstract：:Health authorities require that suitable stability of the drug substance be shown in relevant materials of construction. ICH Q1A(R2) explicitly states that "stability studies should be conducted on drug substance packaged in a container closure system that is the same as or simulates the packaging proposed for storage...

journal_title：Journal of pharmaceutical sciences

authors： Klair N,Kim MT,Lee A,Xiao NJ,Patel AR

更新日期：2020-10-07 00:00:00

abstract：:The absorption of the model drug carbenoxolone was reevaluated using an in situ rat intestinal perfusion technique in which disappearance from the intestinal lumen, binding to the perfused jejunal segment, and appearance in the mesenteric (jejunal) vein were measured. The effect of the degree of ionization on these pr...

journal_title：Journal of pharmaceutical sciences

authors： Blanchard J,Tang LM,Earle ME

更新日期：1990-05-01 00:00:00

abstract：:In this paper, we establish a mechanistic model for the prediction of amorphous solid dispersion (ASD) stability. The novel approach incorporates fundamental physical parameters, principally supersaturation, diffusivity, and interfacial energy, to model crystallization in ASDs accounting for both kinetic and thermodyn...

journal_title：Journal of pharmaceutical sciences

authors： Ojo AT,Lee PI

更新日期：2020-08-18 00:00:00

abstract：:The S6-(N-alkyl-N-alkoxycarbonyl)aminomethyl-6-MP (6-CARB-6-MP) prodrugs 5-20 were synthesized from the reaction of 6-MP with N-alkyl-N-alkyoxycarbonylaminomethyl chlorides (4) in dimethyl sulfoxide in overall yields of 5-62%, depending on the N-alkyl and the alkoxy groups involved. The derivatives were fully characte...

journal_title：Journal of pharmaceutical sciences

authors： Siver KG,Sloan KB

更新日期：1990-01-01 00:00:00

abstract：:Although certain criteria have become recognized as being essential for a stable lyophilized formulation, the relative importance of different stability criteria has not been demonstrated quantitatively. This study uses multivariate statistical methods to determine the relative importance of certain formulation variab...

journal_title：Journal of pharmaceutical sciences

authors： Katayama DS,Kirchhoff CF,Elliott CM,Johnson RE,Borgmeyer J,Thiele BR,Zeng DL,Qi H,Ludwig JD,Manning MC

更新日期：2004-10-01 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：:Transcutaneous immunization is the administration of a vaccine on the skin to generate efficient systemic and mucosal immune responses against an antigen. In the present study, reconstituted hepatitis B surface antigen vesicles (HBsAg-REVs) integrated with monophosphoryl lipid A were prepared by the delipidation-recon...

journal_title：Journal of pharmaceutical sciences

authors： Kaurav M,Kumar R,Jain A,Pandey RS

更新日期：2019-11-01 00:00:00

abstract：:Chitosan microspheres were evaluated for sustained-release of recombinant human interleukin-2 (rIL-2) in this study. In addition, the effects of different formulation factors, such as chitosan and protein concentrations, the volume of sodium sulfate solution, addition technique of rIL-2, and presence of glutaraldehyde...

journal_title：Journal of pharmaceutical sciences

authors： Ozbaş-Turan S,Akbuğa J,Aral C

更新日期：2002-05-01 00:00:00

abstract：:Liposomes containing sodium ioxitalamate were prepared by sonication. Suitable amounts of purified soybean phosphatidylcholine and cholesterol were used at various molar ratios. Stearylamine or dicetylphosphate were added to this lipid composition when charged liposomes were required. After sonication and removal of u...

journal_title：Journal of pharmaceutical sciences

authors： Benita S,Poly PA,Puisieux F,Delattre J

更新日期：1984-12-01 00:00:00

abstract：:Colon-specific drug delivery systems are clinically necessary to treat colon diseases locally while minimizing systemic side effects. In this study, we extracted angelica polysaccharide from fresh roots of Angelica sinensis Diels and analyzed the monosaccharide components. With succinate as a cross-linker and angelica...

journal_title：Journal of pharmaceutical sciences

authors： Zhou S,Zhang B,Liu X,Teng Z,Huan M,Yang T,Yang Z,Jia M,Mei Q

更新日期：2009-12-01 00:00:00

abstract：:The release through silicone rubber membranes of benzocaine suspended in carbomer hydrogels containing different concentrations of low molecular weight polysols (ethylene glycol, propylene glycol, glycerol, and sorbitol) was studied to establish general principles and procedures for control of the effects on percutane...

journal_title：Journal of pharmaceutical sciences

authors： Di Colo G,Carelli V,Giannaccini B,Serafini MF,Bottari F

更新日期：1980-04-01 00:00:00

abstract：:Near infrared (NIR) spectroscopy was used for quantitatively monitoring polymorph conversion of an active pharmaceutical ingredient (API) in wet granulation. The API under pharmaceutical development has two different polymorphs. Polymorph A is the stable form for drug development and polymorph B is the undesired form ...

journal_title：Journal of pharmaceutical sciences

authors： Li W,Worosila GD,Wang W,Mascaro T

更新日期：2005-12-01 00:00:00

abstract：:Lipid-based dose forms, which encompass a wide variety of compositional and functional characteristics, can be advantageously utilized for the formulation of lipophilic drugs. There has been a traditional reluctance to develop lipid-based dose forms due to potential problems of chemical and physical instability, and a...

journal_title：Journal of pharmaceutical sciences

authors： Charman WN

更新日期：2000-08-01 00:00:00

abstract：:Iontophoretic transdermal delivery of sumatriptan was investigated in vitro. Among the conditions tested, 0.25 mA/cm2 and low ionic strength (NaCl 25 mM) was the best experimental condition to increase its transport across the skin. The flux increased 385-fold respective to passive diffusion, thus resulting in a trans...

journal_title：Journal of pharmaceutical sciences

authors： Femenía-Font A,Balaguer-Fernández C,Merino V,López-Castellano A

更新日期：2005-10-01 00:00:00

abstract：:The positively charged amino acids are commonly used excipients in biopharmaceutical formulations for stabilization of therapeutic proteins, yet the mechanisms for their modulation of protein stability are poorly understood. In this study, both lysine and histidine are shown to affect the thermal stability of myoglobi...

journal_title：Journal of pharmaceutical sciences

authors： Platts L,Darby SJ,Falconer RJ

更新日期：2016-12-01 00:00:00

abstract：:Numerous studies have demonstrated that the administration of nonsteroidal anti-inflammatory drugs (NSAIDs) increases small intestinal permeability, and this has been suggested to be a prerequisite to enteropathy. It is believed that the inhibitory effect of chiral NSAIDs on the synthesis of prostaglandins and hence t...

journal_title：Journal of pharmaceutical sciences

authors： Davies NM,Wright MR,Russell AS,Jamali F

更新日期：1996-11-01 00:00:00

abstract：:This work aimed at establishing a framework to screen and understand the product variability deeming from factors that affect the quality features of cream formulations. As per Quality by Design - based approach, cream quality target profile and critical quality attributes were identified, and a risk assessment analys...

journal_title：Journal of pharmaceutical sciences

authors： Simões A,Veiga F,Vitorino C

更新日期：2019-10-01 00:00:00

abstract：:A rapid and accurate method for the quantitative determination of the extent and ratio of amino and carboxyl group trimethylsilylation of 6-aminopenicillanic acid, 7-amino-3-methyl-delta3-cephem-4-carboxylic acid, and 7-amino-3-acetoxymethyl-delta3-cephem-4-carboxylic acid is presented. The method utilizes NMR spectro...

journal_title：Journal of pharmaceutical sciences

authors： Bortesi F,Cavalli S,Mangia A

更新日期：1977-12-01 00:00:00

abstract：:The pharmacokinetics of the antirheumatic proquazone and its conjugated and unconjugated m-hydroxy metabolites were investigated in five healthy male volunteers after both intravenous (75 and 122 mg) and peroral (300 and 900 mg via capsules) administration. For adequate intravenous dosing of the poorly water-soluble p...

journal_title：Journal of pharmaceutical sciences

authors： Hinderling PH,Roos A

更新日期：1984-03-01 00:00:00

abstract：:In pharmaceutical development alternative drug delivery modalities are being increasingly employed. One example is an implant, which achieves gradual drug release in patients over a period of many months or years. Due to the complexity of these long-acting formulations, advanced physical characterization methods are d...

journal_title：Journal of pharmaceutical sciences

authors： Skomski D,Liu Z,Su Y,John CT,Doty A,Forster SP,Teller R,Barrett SE,Xu W

更新日期：2020-09-01 00:00:00

abstract：:Two nonporous and three porous amorphous silicas were used as dispersion media to convert corticoid solutions into free-flowing powders. The corticoids (prednisone, prednisolone, and hydrocortisone) were dissolved in N,N-dimethylacetamide-polyethylene glycol 400 (7:3 v/v) and their 10% (w/v) solutions were mixed with ...

journal_title：Journal of pharmaceutical sciences

authors： Liao CC,Jarowski CI

更新日期：1984-03-01 00:00:00

abstract：:The dielectric constant of a solid substance in the dissolved state may be found by using a solvent with a dielectric constant that remains invariable when the solid substance is dissolved. The slope values obtained from dielectric constant versus concentration plots of the solid substance in two solvents with differe...

journal_title：Journal of pharmaceutical sciences

authors： Cavé G,Puisieux F,Carstensen JT

更新日期：1979-04-01 00:00:00

abstract：:Mathematical relationships describing the delivery of drug to a target organ after intra-arterial, intravenous, and oral administration are presented. This discussion clearly demonstrates that administration into a blood vessel leading to the target organ often is superior to intravenous administration. However, this ...

journal_title：Journal of pharmaceutical sciences

authors： Oie S,Huang JD

更新日期：1981-12-01 00:00:00

abstract：:First-order rate constants (k) were determined for the hydrolysis of ceftazidime in the pH range of 0.5 to 8.5 at 45, 55, and 65 degrees C by a stability-indicating HPLC assay. In the absence of buffer effects, the pH-rate expression was k = kH1f1(aH+) + kH2f2(aH+) + kH3f3(aH+) + kSf3 + kOHf3(aOH-), where KH and KOH a...

journal_title：Journal of pharmaceutical sciences

authors： Zhou M,Notari RE

更新日期：1995-05-01 00:00:00