Search results for "Solutions"

In-use physicochemical and microbiological stability of biological parenteral products

2015

Pharmaceutical scientists in the biotechnology industry have traditionally focused on achieving acceptable shelf lives of drug products in their original, unopened product unit configuration (e.g., two years stored at 2–8 °C). However, it is now clear that stability considerations extend beyond

Changes of the renin-angiotensin and of the kallikrein-kinin system after administration of saline, christalloid and colloid solution in the rat. Eff…

1988

The ionic dependence of calcium efflux from guinea pig auricles.

1968

Retention-activity relationship studies of benzodiazepines by micellar liquid chromatography

1999

Solute partitioning into lipid bilayers of biological membranes is the basis for drug and metabolite uptake, passive transport across membranes and bioaccumulation. In order to emulate in vitro the partitioning process in the biomembranes, different approaches have been proposed. The use of micellar solutions as mobile phases in reversed-phase liquid chromatography (micellar liquid chromatography, MLC) has proven to be valid in the prediction of the biological activities of local anesthetics, catecholamines and barbiturates. In this paper we focus our attention on benzodiazepines. The retention of benzodiazepines using different concentrations of Brij35 as micellar mobile phase in modified …

Development of predictive retention-activity relationship models of antipsychotic drugs by micellar liquid chromatography

1999

The predictive and interpretative capability of quantitative chromatographic retention-biological activity models is supported by the fact that in adequate experimental conditions the solute partitioning into the chromatographic system can emulate the solute partitioning into lipid bilayers of biological membranes, which is the basis of drug and metabolite uptake, passive transport across membranes and bioaocumulation. The use of micellar solutions of Brij35 as mobile phases in reversed liquid chromatography has proven to be valid in predicting some biological activities of different kinds of drugs. In this paper, the correlations between the logarithm of capacity factors and pharmacokineti…

Influence of intracellular sodium concentration on calcium influx in isolated guinea pig auricles.

1969

Palatabilidad de las soluciones de rehidratación oral en niños sanos de 6 a 9 años. Ensayo clínico multicéntrico, aleatorizado y simple ciego

2010

Resumen: Introducción: La adherencia al tratamiento es esencial para el éxito terapéutico. En los niños, la palatabilidad de las medicaciones orales condiciona su aceptación y cumplimentación terapéutica. El objetivo fue estimar los sabores de las soluciones de rehidratación oral (SRO) que más gustan a los niños y analizar la relación entre los gustos del niño y la elección de un determinado sabor de SRO. Material y métodos: Ensayo clínico multicéntrico, aleatorizado y simple ciego. Ciento dieciséis niños cataron 4 sueros, 2 a 2, y puntuaron el sabor de cada uno de ellos como muy bueno, bueno, malo o muy malo, y en cada cata eligieron el preferido. Previamente se había encuestado sobre los …

Gef��- und Tubulusweite der Niere bei osmotischer und Wasserdiurese und nach Theophyllininjektionen

1960

The effects of i.v. administered hypertonic solutions (6-fold isotonic solutions of NaCl, sodium sulfate, glucose and mannitol) theophylline (25 mg/kg) and vasopressin (50 mE/kg) on the blood pressure, cortical kidney vessel blood content and tubulus dilatation were studied in large groups of mice. The blood pressure and blood content effects after i.p. injection of 10% NaCl solution and the blood content during water diuresis were also investigated. The kidney vessel blood content was determined through benzidine stained erythrocytes in kidney slices. An increase in blood content as compared to corresponding controls was consistently noted after i.v. injection of 6-fold isotonic solutions …

Die Diurese der Maus nach oraler Gabe von Wasser oder NaCl-L�sungen und ihre Beeinflussung durch Hypophysenhinterlappenhormone

1959

Approach of the State Pharmacopeia of Ukraine to analytical procedures validation on the example of chloride ions assay in peritoneal dialysis soluti…

2019

The objective of this study was to develop and validate an alternative analytical procedure for the total chloride assay in solutions for peritoneal dialysis (PD). The proposed analytical procedure was validated according to the requirements of the International Conference on Harmonization (ICH) Guideline: Topic ICH Q2(R1) and the approach of the State Pharmacopeia of Ukraine (SPU). The analytical procedure was specific. The li-nearity of the procedure was evaluated in the concentration range of 76 to 114 mmol/L of chloride ions (80-120% of the stated content (95 mmol/L)) with the regression equation y = 1.0029 ∑ X -0.2269 and a correlation coefficient of 0.9989. The y-intercept of the regr…