解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::A suspension of micronized prednisolone acetate was separated into four fractions by the technique of centrifugal elutriation. Data showed that each fraction had a narrow particle size. The dissolution experiments were carried out under sink conditions (less than 10% of saturation concentration) in a dissolution appar...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600720225
更新日期:1983-02-01 00:00:00
abstract::The kinetic barrier against the transport of methyl and ethyl nicotinates across the water-isopropyl myristate interface has been studied as a function of temperature using a rotating diffusion cell. The temperature dependence of the interfacial transfer kinetics has enabled calculation of the thermodynamic parameters...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600720212
更新日期:1983-02-01 00:00:00
abstract::The degradation kinetics and mechanism of a potent new cephalosporin, cefotaxime sodium, in aqueous solution were investigated at pH 0-10 at 25 degrees and an ionic strength of 0.5. The degradation rates were determined by high-pressure liquid chromatography and were observed to follow pseudo first-order kinetics with...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600720114
更新日期:1983-01-01 00:00:00
abstract::The cobalt 60 radiolytic degradation products have been identified in the following corticosteroids: cortisone, cortisone acetate, hydrocortisone, hydrocortisone acetate, hydrocortisone sodium succinate, isoflupredone acetate, methylprednisolone, methylprednisolone acetate, prednisolone, prednisolone acetate, and pred...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600720108
更新日期:1983-01-01 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
pub_type: 杂志文章
doi:10.1002/jps.2600711220
更新日期:1982-12-01 00:00:00
abstract::Two natural products isolated from the plant Daphne genkwa have been shown to possess antileukemic activity in mice. Genkwadaphnin and yuanhuacine were observed to inhibit DNA and protein synthesis in P-388 leukemic cells. A detailed study of the effects of these two diterpene esters on protein synthesis of leukemic c...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711208
更新日期:1982-12-01 00:00:00
abstract::The equilibrium kinetics of triazolam in aqueous solution was investigated in the pH range of 1-11 at body temperature. The quantitative study indicated that it forms equilibrium mixtures consisting of ring-opened and closed forms with the composition being dependent on pH. The equilibrium constants of the two species...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711206
更新日期:1982-12-01 00:00:00
abstract::A modified electron-impact GLC-selected ion monitoring mass spectrometric method for captopril is described. Positive chemical ionization GLC-selected ion monitoring and direct chemical ionization confirms the specificity of this procedure for captopril and establishes the chemical ionization techniques as potential a...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711117
更新日期:1982-11-01 00:00:00
abstract::A new High-performance liquid chromatographic (HPLC) method for the assay of sodium fusidate (I) or fusidic acid in dosage forms was developed and compared to a microbiological assay. A linear relationship was obtained between absolute peak area and amount of I(r = 0.99+) in the 50-1000-microgram/ml range. In the micr...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711130
更新日期:1982-11-01 00:00:00
abstract::The diterpene esters, genkwadaphnin and yuanhuacine, have been shown to possess significant antileukemic activity in the P-388 screen. The major metabolic effects of the diterpene esters were on DNA and protein synthesis. The effects on DNA synthesis in vitro were evoked at a lower concentration than that required for...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711120
更新日期:1982-11-01 00:00:00
abstract::A dermal penetration enhancer has been found which improves the dermal delivery of a wide variety of drugs and at the same time has a history of low toxicity for human dermal application. N,N-Diethyl-m-toluamide (I) has been shown to improve the delivery of many drugs through hairless mouse skin in an in vitro diffusi...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711107
更新日期:1982-11-01 00:00:00
abstract::Using liquid scintillation counting and liquid chromatographic techniques, it has been demonstrated that the anthracycline antibiotics, doxorubicin hydrochloride, N-trifluoroacetyladriamycin-14-valerate, and N-trifluoroacetyladriamycin-14-octanoate, can be strongly absorbed to the walls of containers, depending on the...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711011
更新日期:1982-10-01 00:00:00
abstract::A series of gem-cichlorocyclopropyl and cyclopropyl analogs of stilbene congeners was synthesized and examined for estrogenic and antiestrogenic activity using the uterotropic assay in the immature mouse. The relative receptor affinity in vitro was determined by measuring [3H]estradiol displacement from the rat uterin...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711012
更新日期:1982-10-01 00:00:00
abstract::Bacmecillinam is an amdinocillin prodrug designed to be easily hydrolyzed in biological materials, so special procedures were developed for the collection of blood specimens. Whole blood was collected in tubes containing bacampicillin as an adsorption inhibitor and kept at -70 degrees; the extracting solvent, hexane-m...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600711018
更新日期:1982-10-01 00:00:00
abstract::Three analogs of thyroliberin (I) were prepared. These compounds, N-m-chloroacetylbenzoyl-phenylalanyl-prolineamide (VIa), N-p-chloroacetylbenzoyl-phenylalanyl-prolineamide (VIb) and N-chloroacetyl-alanyl-phenylalanyl-prolineamide (IX), were designed as potential I antagonist affinity labels. However, no significant a...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710928
更新日期:1982-09-01 00:00:00
abstract::A method to determine the adherence of drugs to the esophagus was developed using isolated swine esophagi. A number of types of tablets and capsules (e.g., of doxycycline) were tested. The results showed that the tendency of products to adhere to the esophagus can be regulated by pharmaceutical properties. It was conc...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710904
更新日期:1982-09-01 00:00:00
abstract::Two human bioavailability studies were conducted to assess the in vivo performances of recently marketed 200-, 300-, and 400-mg ibuprofen capsules relative to the innovator's 300- and 400-mg tablets when administered as single oral 300- or 400-mg doses. An ibuprofen oral solution was also administered in each trial. W...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710920
更新日期:1982-09-01 00:00:00
abstract::This study compares one of the previously studied formulations with commercial amoxicillin capsules. The results indicate that the percentage of the dose absorbed is similar in both formulations; nevertheless, the amoxicillin capsules present a higher absorption rate. The in vivo--in vitro correlations in terms of res...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710823
更新日期:1982-08-01 00:00:00
abstract::A procedure for the determination of mianserin, desmethylmianserin, and 8-hydroxymianserin in plasma at therapeutic concentrations by liquid chromatography with electrochemical detection is described. Following a multiple-step extraction from alkaline plasma into methyl-tert-butyl ether, the reconstituted extract was ...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710812
更新日期:1982-08-01 00:00:00
abstract::A sensitive, specific and reproducible high-performance liquid chromatographic procedure, using the normal phase and radial compression system, is described for the simultaneous determination of corticosterone, hydrocortisone, and dexamethasone in plasma, with prednisolone as the internal standard. Samples were extrac...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710724
更新日期:1982-07-01 00:00:00
abstract::A series of even numbered fatty acid esters (C2-C18) of p-[N,N-bis(2-chloroethyl)amino]phenol were synthesized and evaluated as to acute toxicity as well as effectiveness against L-1210 mouse leukemia. The acetate through the decanoate derivatives demonstrated toxicity between 2 and 3 times that of phenol mustard in H...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710713
更新日期:1982-07-01 00:00:00
abstract::Hemoglobin microcapsules were prepared through cross-linking of hemoglobin itself with various acyldichlorides. Variations in the reticulation conditions were preformed in order to ameliorate the oxygen dissociation curve, the mean diameter, and the possibility for the microcapsules to be lyophilized. With terephthalo...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710710
更新日期:1982-07-01 00:00:00
abstract::The axial and radial tensile strengths were compared to the hardness of compressed tablets containing various concentrations of lubricants. Since radial tensile strength measurement considers the thickness of a tablet, and only tensile stress and axial tensile strength express the strength in the direction in which ca...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710625
更新日期:1982-06-01 00:00:00
abstract::A radioimmunoassay for the quantitation of meobentine sulfate, a novel antidysrhythmic and antifibrillatory agent in biological fluids, is described. Antisera were raised in rabbits in response to immunization with a conjugate of bovine serum albumin and a meobentine analog with a propionic acid sidechain ortho to the...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710615
更新日期:1982-06-01 00:00:00
abstract::The kinetics of acetylation of alcohols by acetyl chloride and acetic anhydride, with N-methylimidazole as the catalyst, were studied in acetonitrile solution at 25 degrees; some measurements were also made with 4-dimethylaminopyridine as the catalyst. The acetic anhydride-N-methylimidazole system proceeds entirely by...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710503
更新日期:1982-05-01 00:00:00
abstract::An assay is described for the determination of the H2-receptor antagonist, cimetidine, in human plasma and urine. Alkalinized plasma or urine was extracted with methylene chloride, the organic phase was evaporated, and the reconstituted residue was analysed by high-pressure liquid chromatography (HPLC) using a reverse...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710528
更新日期:1982-05-01 00:00:00
abstract::A GLC method is described for the determination of iminodibenzyl and desipramine impurities in imipramine hydrochloride and its formulated products. These impurities were extracted from an alkaline solution with a mixture of 30% methylene chloride in hexane for chromatography on a 3% OV-17 GLC column. Iminodibenzyl wa...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710515
更新日期:1982-05-01 00:00:00
abstract::The rapid hydrolysis of epoprostenol to 6-keto-prostaglandin F1 alpha is hydronium ion-catalyzed even at pH 10 or higher. In the presence of 1.0% hexadecyltrimethylammonium chloride, the rate was reduced significantly (1580-fold at pH 2 and 283-fold at a physiological pH). This decrease in the hydrolysis rate is attri...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710420
更新日期:1982-04-01 00:00:00
abstract::From a consideration of the basic processes involved in drug elimination, the fraction of drug cleared by the gut and by the liver were described as functions of availability and hepatic clearance. For a drug given orally, a plot of the fraction of drug cleared by the gut or liver against alpha, a proportionality cons...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710423
更新日期:1982-04-01 00:00:00
abstract::The pharmacokinetics of sulfisoxazole and sulfanilamide were studied in control rats and in rats treated for 5 days with a daily 100 mg/kg ip dose of phenobarbital. These drugs represent the organic anionic and nonionized drugs, respectively, whose nonmicrosomal enzymatic metabolisms were unstimulated by phenobarbital...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710412
更新日期:1982-04-01 00:00:00
abstract::A new quantitative GLC method for analysis of lidamidine hydrochloride (I) was developed. The method was based on derivatization of I to 1-(2,6-dimethylphenyl)-4-methylamino-dihydro-1,3,5-triazin-2-one (II) using dimethylformamide dimethylacetal reagent. Compound II was synthesized and characterized by IR, NMR, mass s...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710327
更新日期:1982-03-01 00:00:00
abstract::An aqueous solution of trimedoxime bromide, atropine, and benactyzine hydrochloride was formulated to have maximum stability as an antidote in organophosphorus poisoning. The stability of the mixture in glass and plastic cartridges was determined. Glass cartridges were more desirable than plastic; there was less vapor...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710315
更新日期:1982-03-01 00:00:00
abstract::Methods are presented for the separation of tetracycline, tetracycline analogs, and their potential impurities by reversed-phase ion-pair chromatography. The mobile phase consisted of a phosphate buffer with tripropylamine or N,N-dimethyloctylamine as counterions and acetonitrile as the organic modifier. The chromatog...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710221
更新日期:1982-02-01 00:00:00
abstract::The synthesis of some substituted 7-hydroxy-5H-1,3,4-oxadiazolo [3,2-a]pyrimidin-5-ones, a class of bicyclics with unexplored pharmacotoxicological properties, is described. Reacting the 2-phenyl derivative with bis(2,4,5-trichlorophenyl)benzylmalonate afforded a linear pyrano-oxadiazolopyrimidinedione. The assigned s...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710210
更新日期:1982-02-01 00:00:00
abstract::Thirty-four vasodilators were screened in several in vitro biochemical assays related to smooth muscle excitation-contraction coupling, binding to beta 1-,beta 2-, and alpha-adrenergic receptors, inhibition of phosphodiesterase activity, and antagonism of calcium accumulation. Isoproterenol and perhexiline only exhibi...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710123
更新日期:1982-01-01 00:00:00
abstract::A stability-specific high-pressure liquid chromatographic (HPLC) method was developed to assay intact chlorambucil (I) in the presence of its hydrolytic decomposition products. The HPLC method was used to follow the degradation kinetics of I over pH 1.0-10.0 in the presence of various buffers with and without added ch...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710113
更新日期:1982-01-01 00:00:00
abstract::The phase diagram for the binary system nafcillin sodium-water, was determined using differential scanning calorimetry (DSC) and polarized light microscopy. In the temperature range of -20-30 degrees, three crystalline forms and an amphiphilic liquid crystalline phase were detected. The stable crystalline form of nafc...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710125
更新日期:1982-01-01 00:00:00
abstract::A GLC method for the determination of valproic acid and ethosuximide in plasma was developed. The procedure involved a single solvent extraction of drugs from acidified plasma samples, followed by a GLC injection of the unconcentrated organic phase. This rapid, sensitive, specific, and reproducible method has been use...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600710126
更新日期:1982-01-01 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
pub_type: 杂志文章
doi:10.1002/jps.2600701214
更新日期:1981-12-01 00:00:00
abstract::Three aspirin derivatives, aspirin phenylalanine ethyl ester, aspirin phenylalanine amide, and aspirin phenyllactic ethyl ester, were investigated with respect to their hydrolysis by alpha-chymotrypsin. Of the three compounds, aspirin phenylalanine ethyl ester was the best substrate, with kcat = 25 sec-1 and Km = 1.3 ...
journal_title:Journal of pharmaceutical sciences
pub_type: 杂志文章
doi:10.1002/jps.2600701203
更新日期:1981-12-01 00:00:00