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1979•American Journal of Physiology-Renal PhysiologyRequires access

A new needle-type colloid osmometer for continuous determination of blood oncotic pressure

Yasutaka Kakiuchi, Takashi Arai, M Horimoto, Y. Kikuchi, Tomohiro Koyama

Open publisher page 15 citations

Abstract

For the purpose of facilitating measurement of colloid osmotic pressure of body fluids, a new needle-type colloid osmometer which uses a hollow fiber as a semipermeable membrane instead of a sheet ultrafilter was developed. The simple construction, easy production, and satisfactory performance of the osmometer are described in detail. Although hydrostatic pressure existing in the sample interfered a little with the accuracy of measurement, quickly interchangeable sensing probes brought great advantages in practice.

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What this paper is about

For the purpose of facilitating measurement of colloid osmotic pressure of body fluids, a new needle-type colloid osmometer which uses a hollow fiber as a semipermeable membrane instead of a sheet ultrafilter was developed. The simple construction, easy production, and satisfactory performance of the osmometer are described in detail. Although hydrostatic pressure existing in the sample interfered a little with the accuracy of measurement, quickly interchangeable sensing probes brought great advantages in practice.

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OpenAlex reports 15 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

For the purpose of facilitating measurement of colloid osmotic pressure of body fluids, a new needle-type colloid osmometer which uses a hollow fiber as a semipermeable membrane instead of a sheet ultrafilter was developed. The simple construction, easy production, and satisfactory performance of the osmometer are described in detail. Although hydrostatic pressure existing in the sample interfered a little with the accuracy of measurement, quickly interchangeable sensing probes brought great advantages in practice.

Key concepts: Osmometer, Oncotic pressure, Colloid, Hydrostatic pressure, Chemistry, Osmotic pressure, Chromatography, Semipermeable membrane

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