Temperature Measurement by Sublimation Rate as a Process Analytical Technology Tool in Lyophilization.

abstract：:The major route of degradation of tetrazepam (1) is oxidation to 7-chloro-5-(3-keto-cyclohexen-1-yl)-1,3-dihydro-1-methyl-2H-1, 4-benzodiazepin-2-one (3) via the stable 7-chloro-5-(3-hydroperoxy-cyclohexen-1-yl)-1,3-dihydro-1-methyl-2H -1, 4 benzodiazepin-2-one (2). Minor degradation products are 7-chloro-5-(1,2-epoxy...

journal_title：Journal of pharmaceutical sciences

authors： Boccardi G,Deleuze C,Gachon M,Palmisano G,Vergnaud JP

更新日期：1992-02-01 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：:Three dimensional terahertz pulsed imaging (TPI) was evaluated as a novel tool for the nondestructive characterization of different solid oral dosage forms. The time-domain reflection signal of coherent pulsed light in the far infrared was used to investigate film-coated tablets, sugar-coated tablets, multilayered con...

journal_title：Journal of pharmaceutical sciences

authors： Zeitler JA,Shen Y,Baker C,Taday PF,Pepper M,Rades T

更新日期：2007-02-01 00:00:00

abstract：:The present study was conducted to investigate the impact of drying method and formulation on the storage stability of IgG1. Formulations of IgG1 with varying levels of sucrose with and without surfactant were dried by different methods, namely freeze drying, spray drying, and foam drying. Dried powders were character...

journal_title：Journal of pharmaceutical sciences

authors： Abdul-Fattah AM,Truong-Le V,Yee L,Nguyen L,Kalonia DS,Cicerone MT,Pikal MJ

更新日期：2007-08-01 00:00:00

abstract：:The intense blue color formed in the official assay of menadione injection by treatment of the sample with 2,4-dinitrophenylhydrazine and ammonia is shown by data from visible light spectra and mass spectra and by comparison of the pKa value with that of the corresponding reaction product of acetone to be due to proto...

journal_title：Journal of pharmaceutical sciences

authors： Burns LB,Stedman RJ,Tuckerman MM

更新日期：1978-02-01 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：:Literature data relevant to the decision to waive in vivo bioequivalence testing for the approval of generic immediate release solid oral dosage forms of proguanil hydrochloride are reviewed. To elucidate the Biopharmaceutics Classification System (BCS) classification, experimental solubility and dissolution studies w...

journal_title：Journal of pharmaceutical sciences

authors： Plöger GF,Abrahamsson B,Cristofoletti R,Groot DW,Langguth P,Mehta MU,Parr A,Polli JE,Shah VP,Tajiri T,Dressman JB

更新日期：2018-07-01 00:00:00

abstract：:The release kinetics of a polymeric-controlled release device are determined by its geometry and dimensions. A method to calculate the required size and shape of diffusion-controlled dosage forms to achieve a particular release profile is presented. The diffusion parameters are determined for various drugs (theophylli...

journal_title：Journal of pharmaceutical sciences

authors： Siepmann J,Ainaoui A,Vergnaud JM,Bodmeier R

更新日期：1998-07-01 00:00:00

abstract：:Some coated aspirin tablet formulations were evaluated by relating their properties to disintegrating force development patterns. The treatment of disintegrating force-time curves was effected using the Weibull distribution as proposed for dissolution. Such parameters as the maximum disintegrating force developed, the...

journal_title：Journal of pharmaceutical sciences

authors： Colombo P,Conte U,Caramella C,Geddo M,La Manna A

更新日期：1984-05-01 00:00:00

abstract：:Dissolution profiles are classified in accordance with the shape of fractional dissolution rate function. This function is constant in time for the classical first-order model and, in this case, the dissolution is described by a monoexponential function. Therefore, any deviation of the fractional dissolution rate from...

journal_title：Journal of pharmaceutical sciences

authors： Lánský P,Weiss M

更新日期：2003-08-01 00:00:00

abstract：:This article presents a theoretical model of transdermal drug delivery from an emulsion-type vehicle that addresses the vehicle heterogeneity and incorporates the prediction of drug transport parameters as function of the vehicle composition. The basic mass transfer model considers interfacial and diffusion resistance...

journal_title：Journal of pharmaceutical sciences

authors： Bernardo FP,Saraiva PM

更新日期：2008-09-01 00:00:00

abstract：:The trichloroacetyl carbamates of 38 corticosteroids and chemically related compounds were prepared, and their NMR spectra in deuterochloroform were obtained. The effects of the introduction of a number of functional groups on the chemical shift of the carbamate proton signals were determined. ...

journal_title：Journal of pharmaceutical sciences

authors： Lanouette M,Legault D,Lodge BA

更新日期：1976-08-01 00:00:00

abstract：:A novel technique is presented to allow measurement of the kinetics of protein inactivation during drying of an acoustically levitated single droplet. Droplets/particles are removed from the acoustic field after various times during drying, and the state of the protein within them is analyzed. The influence of drying ...

journal_title：Journal of pharmaceutical sciences

authors： Lorenzen E,Lee G

更新日期：2012-06-01 00:00:00

abstract：:An F(ab')2 fragment of an IgG has been spray-dried on a bench-top machine to examine the presence of insoluble particulates in the redissolved powder product. Preliminary experiments showed that treatment of the F(ab')2 in aqueous solution in a water bath at 65°C for 1 h produced fragmentation and also insoluble parti...

journal_title：Journal of pharmaceutical sciences

authors： Lassner P,Adler M,Lee G

更新日期：2014-04-01 00:00:00

abstract：:The physiological pH changes and peristalsis activities in gastrointestinal (GI) tract have big impact on the dissolution of oral drug products, when those oral drug products include APIs with pH-dependent solubility. It is well documented that predicting the bioperformance of those oral drug products can be challengi...

journal_title：Journal of pharmaceutical sciences

authors： Tsume Y,Patel S,Wang M,Hermans A,Kesisoglou F

更新日期：2020-11-01 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

abstract：:The salting in and salting out of the nonionic surfactant octoxynol NF by halides of ammonium and the four lowest symmetrical tetraalkylammonium cations were investigated by measuring their effect on the cloud point at various salt concentrations. The chloride anion tended to salt the surfactant out, lowering its clou...

journal_title：Journal of pharmaceutical sciences

authors： Schott H,Han SK

更新日期：1977-02-01 00:00:00

abstract：:Isomazole matrix tablet formulations, with various concentrations of hydroxypropyl methylcellulose (HPMC) hydrogel, were prepared and tested for sustained-release activity. Sustained-release activity was determined by administering isomazole test formulations orally to conscious dogs, instrumented with an indwelling l...

journal_title：Journal of pharmaceutical sciences

authors： Wilson HC,Cuff GW

更新日期：1989-07-01 00:00:00

abstract：:Injectable controlled-release formulations are of increasing interest for the treatment of chronic diseases. This study aims to develop and characterize a polymeric matrix for intramuscular or subcutaneous injection, consisting of two biocompatible polymers, particularly suitable for formulating poorly soluble drugs. ...

journal_title：Journal of pharmaceutical sciences

authors： Meeus J,Chen X,Scurr DJ,Ciarnelli V,Amssoms K,Roberts CJ,Davies MC,van Den Mooter G

更新日期：2012-09-01 00:00:00

abstract：:A direct high-performance liquid chromatographic (HPLC) method was applied to monitor 2,5-diaziridinyl-3,6-bis(carboethoxyamino)-1,4-benzoquinone (I) and its degradation products in pharmaceutical vehicles at 25 +/- 0.1 degrees. At the optimal pH for stability of I, an increase in buffer concentration [phosphate and t...

journal_title：Journal of pharmaceutical sciences

authors： Poochikian GK,Kelley JA

更新日期：1981-02-01 00:00:00

abstract：:Adsorption of proteins to solid-fluid interfaces is often empirically found to promote formation of soluble aggregates and larger, subvisible, and visible particles, but key stages in this process are often difficult to probe directly. Aggregation mediated by adsorption to water-silicon oxide (SiOx) interfaces, akin t...

journal_title：Journal of pharmaceutical sciences

authors： Perevozchikova T,Nanda H,Nesta DP,Roberts CJ

更新日期：2015-06-01 00:00:00

abstract：:Benzydamine hydrochloride (Tantum, 1) is a photoallergic and phototoxic anti-inflammatory and analgesic agent. This drug is photolabile under aerobic and anaerobic conditions. Irradiation of a methanol solution of benzydamine under oxygen or argon at 300 nm affords 5-hydroxybenzydamine (2) and 2-beta-dimethylaminoprop...

journal_title：Journal of pharmaceutical sciences

authors： Vargas F,Rivas C,Machado R,Sarabia Z

更新日期：1993-04-01 00:00:00

abstract：:In this study, powder surface imaging was utilized in evaluation of particle size-related segregation behavior of granules during vibration and tableting processes. Altogether, eight granule batches were manufactured using a fluidized bed granulator. The particle size distribution of each batch was measured with sieve...

journal_title：Journal of pharmaceutical sciences

authors： Lakio S,Hatara J,Tervakangas H,Sandler N

更新日期：2012-06-01 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：:Various multiparticulate dissolution models that assume a log-normal particle-size distribution are fitted by nonlinear least-squares regression to data from the dissolution of micronized glyburide. Estimates of parameters describing the effective initial particle-size distribution are obtained, together with estimate...

journal_title：Journal of pharmaceutical sciences

authors： Pedersen PV

更新日期：1977-06-01 00:00:00

abstract：:A series of N1-p-chlorophenyl-N5-alkylbiguanides were synthesized as potential inhibitors of dental plaque. Partition coefficients and pKa values were determined by standard methods. Biological activity was evaluated against Streptococcus mutans, a pure strain of plaque-forming bacteria. All compounds were compared to...

journal_title：Journal of pharmaceutical sciences

authors： Warner VD,Lynch DM,Ajemian RS

更新日期：1976-07-01 00:00:00

abstract：:An HPLC method for the simultaneous determination of safrole (S), dihydrosafrole (DHS), and chloromethyldihydrosafrole (CM-DHS) in piperonyl butoxide, with fluorimetric detection and elution gradient, is described. Samples with internal standard (piperonyl isobutyrate) are adsorbed on silica cartridges, then eluted wi...

journal_title：Journal of pharmaceutical sciences

authors： Schreiber-Deturmeny EM,Pauli AM,Pastor JL

更新日期：1993-08-01 00:00:00

abstract：:The dissolution rates of the two polymorphic forms of sulfathiazole containing polyethylene glycol 4000 were significantly different in water. The effect of agitation on the dissolution rates also was studied. At higher stirring speeds, the dissolution rates of the stable form were affected more than the metastable fo...

journal_title：Journal of pharmaceutical sciences

authors： Niazi S

更新日期：1976-02-01 00:00:00

abstract：:(+-)-Carbovir [(+-)-9-[4 alpha-(hydroxymethyl)-cyclopent-2-ene-1 alpha-yl]guanine; NSC 614846] is a novel carbocyclic nucleoside analogue which has been shown to be a potent and selective inhibitor of HIV in vitro. As part of an effort to develop a parenteral formulation for subsequent clinical and toxicological evalu...

journal_title：Journal of pharmaceutical sciences

authors： Anderson BD,Chiang CY

更新日期：1990-09-01 00:00:00

abstract：:The aim of this study was to prepare and characterize thiolated chitosan (TC) nanoparticles (NPs) of tizanidine HCl (TZ) and to evaluate its transport across monolayer of RPMI 2650 cells (Human nasal septum carcinoma cell line) followed by assessment of their pharmacokinetic and pharmacodynamic attributes, after intra...

journal_title：Journal of pharmaceutical sciences

authors： Patel D,Naik S,Misra A

更新日期：2012-02-01 00:00:00