Stig Claesson

Baylor University

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Fluorescence depolarization in sheared solutions of dye-tagged polymers

Discussions of the Faraday Society (1970)

Stig Claesson Hisashi Odani

The micro-Brownian motion of a polymer chain in sheared solutions has been studied by means of fluorescence depolarization. An apparatus for determining the degree of polarization of sheared solutions was designed, and measurements were made on fluorescein in aqueous hydroxyethyl cellulose solutions, both tagged to the polymer chains and freely dispersed. The degree of polarization was independent of rate of shear in the region studied, 0-104 s–1, though the flow viscosity of the solutions showed marked non-Newtonian nature. Similar behaviour was observed for concentrated solutions of dextran and polystyrene.

Polystyrene

10.1039/df9704900268

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Citations (11)

Det lyckliga Europa

Albert Bonniers Förlag eBooks (2001)

Stig Claesson

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Samtal på ett fjärrtåg

Books Abroad (1974)

Nils J. Anderson Stig Claesson

10.2307/40128003

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A simple device for locating liquid menisci with applications to viscometry and osmomentry

Die Makromolekulare Chemie (1956)

Stig Claesson Ulv Lohmander

Abstract A simple optical arrangement is described with which one can easily determine the position of a liquid meniscus with good accuracy (1‐2μ) by observing an diffraction fringe. This arrangement is convenient for the measurement of osmotic pressure or viscosity. Some experiments are described where it is used to measure viscositites at very low gradients (low driving pressures) in a capillary viscometer.

Meniscus

10.1002/macp.1956.020180126

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Citations (13)

Utsikt från ett staffli

World Literature Today (1984)

Rochelle Wright Stig Claesson

10.2307/40140085

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FRONTAL ANALYSIS AND DISPLACEMENT DEVELOPMENT IN CHROMATOGRAPHY

Annals of the New York Academy of Sciences (1948)

Stig Claesson

Annals

10.1111/j.1749-6632.1948.tb35249.x

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Citations (37)

Über Sedimentations- und Diffusionsmessungen an in alkalischen Eisen- Weinsäure- Natrium-Komplex (EWNN)- Lösungen gelöster Cellulose

Stig Claesson W. Bergmann

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Citations (1)

Large-Scale Mach-Zehnder Interferometer

Nature (1962)

E. Bowen Stig Claesson

10.1038/1941022a0

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Foreword

Elsevier eBooks (1972)

Stig Claesson

10.1016/b978-0-12-755150-0.50004-4

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High pressure vessel for optical studies in the 1–8000 atm range

Transactions of the Faraday Society (1970)

Stig Claesson Sture Malmrud Björn Lundgren

A portable high-pressure vessel is described. It weighs less than 20 kg and can maintain a pressure as high as 8000 atm after being detached from a press or intensifier. Its optical windows (2, 3 or more) make it possible to study the effect of pressure upon light scattering, u.-v., visible and infra-red spectra of substances, their fluorescence etc. Many important technical improvements are outlined.

10.1039/tf9706603048

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Citations (35)