TIRF‐Rheometer for measuring protein adsorption under high shear rates: constructional and fluid dynamic aspects

HP Jennissen, A Sanders… - Materialwissenschaft …, 1999 - Wiley Online Library
In total internal reflection fluorescence (TIRF) measurements an exponentially decaying
evanescent wave of light (285–290 nm) excites the Trp residues in a protein to fluoresce at …

Measurement of interfacial shear rheological properties: An apparatus

J Krägel, S Siegel, R Miller, M Born… - Colloids and Surfaces A …, 1994 - Elsevier
A new surface shear rheometer was designed on the basis of the principle of a torsion
pendulum. The torsion wire transfers the deformation, produced by a stepper motor, via a …

An Automated Ferranti-Shirley Viscometer

AF Kah, ME Koehler, TF Niemann, T Provder, RR Eley - 1982 - ACS Publications
A Ferranti-Shirley cone-plate viscometer was interfaced to a minicomputer system by means
of a microcomputer. The microcomputer collects data from the instrument corresponding to …

Automated surface shear rheometer

J Kräger, S Siegel, R Miller, M Born, B Ehmke… - Trends in Colloid and …, 1993 - Springer
Tokyo 162, Japan by a stepper motor via the ring onto the interface. The movement of the
ring is registered by a localsensitive photodiode. Due to the sensitivity of the photodiode and …

Monitoring fibrinogen adsorption kinetics by interfacial TIRF rheometry

A Sanders, HP Jennissen - Journal of Molecular Recognition, 1996 - Wiley Online Library
The adsorption kinetics of purified fibrinogen to unmodified and aminopropylsilane-modified
quartz glass surfaces were studied under pseudo-first order (binding-unit excess) conditions …

Measurement of very low strains using a stress rheometer: a new rotation sensing transducer (RST)

A Magnin, JM Piau - Journal of Rheology, 1991 - pubs.aip.org
The problems posed by a controlled stress rheometer are studied in the low strain and slow
strain rate domain, characteristic of the Newtonian plateau of polymers or of the yield stress …

Recoverable shear measurements in a parallel plate rheometerz

SM Fruh, F Rodriguez - AIChE Journal, 1970 - Wiley Online Library
A parallel plate rheometer has been devised which permits measurements of shear stresses
of 102 to 105 dynes/sq. cm. and shear rates of 10− 5 to 1 sec.− 1. A linear, air lubricated …

Direct determination of the mechanical properties of an interfacially adsorbed protein film

DB Jones, APJ Middelberg - Chemical engineering science, 2002 - Elsevier
Novel equipment, the Cambridge Interfacial Tensiometer (CIT), was designed and used to
directly determine the mechanical properties of a β-lactoglobulin film adsorbed at the air …

Analysis of the complex rheological properties of highly concentrated proteins with a closed cavity rheometer

P Wittek, N Zeiler, HP Karbstein, MA Emin - Applied Rheology, 2020 - degruyter.com
Highly concentrated biopolymers are used in food extrusion processing. It is well known that
rheo-logical properties of biopolymers influence considerably both process conditions and …

Stress− strain curves of adsorbed protein layers at the air/water interface measured with surface shear rheology

A Martin, M Bos, M Cohen Stuart, T Van Vliet - Langmuir, 2002 - ACS Publications
Interfacial shear properties of adsorbed protein layers at the air/water interface were
determined using a Couette-type surface shear rheometer. Such experiments are often used …