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Results for “Stearates”

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At least 217 records · Page 12Linked to original sources
PubMed2002

Properties of polyethylene glycol 660 12-hydroxy stearate at a triglyceride/water interface.

This study proposed a method to understand the surfactant role in the first step of the formulation of a novel generation of lipidic nanocapsules. A dynamic rheological protocol was applied using a pendant drop tensiometer in order to determine the interfacial properties of the initial mixture implied in the first formulation step. The response, in terms of interfacial elasticities, described how this mixture led to monodisperse nanometer size range structures after a physico-chemical constraint.

Capsules↗
PubMed1976

[Oily contrast medium in liquor space following myelography. A clinical-radiological study on extent, velocity and ways of elimination of monoiodine stearate].

In 32 patients neurological and radiological studies were done after spinal myelography using 5 ml of monoidostearate. The route and speed of elimination of the contrast medium remaining intrathecally have been observed over 2 years, establishing correlations with the way and conditions of administration. In the case of active lumbar drainage from the puncture channel after lumbar instillation of contrast medium or after lumbar puncture, a quick and sometimes massive extrathecal and extravertebral leakage, reaching 1/3 of the applied contrast medium, has been observed in 80%-90% of the cases during the first days and weeks. During the first year, the mean contrast medium elimination was 50%. In the case of a single cisternal instillation of contrast medium, no leakage was found, the elimination was 0-8-1-0 ml/year. The importance of "lumbar puncture drainage" becomes evident, as well as its activity which lasts up to 19 days. The possible routes of leakage (migration) of the contrast medium are discussed.

Adolescent↗