Results 361 to 370 of about 1,582,967 (422)
Some of the next articles are maybe not open access.

The centrifugal viscometer

Biomicrofluidics, 2021
In this study, a viscometer, which can measure the viscosity of low-volume liquids (25 μl) within 30 s, was developed on a centrifugal platform. The centrifugal viscometer consists of a disk platform and a motor. Under disk rotation, centrifugal, Coriolis, and viscosity-induced drag forces result in deflection of liquid flow.
Chih-Hsin Shih   +3 more
openaire   +3 more sources

Comparative analysis of discrete exosome fractions obtained by differential centrifugation

open access: yesJournal of Extracellular Vesicles, 2014
Background Cells release a mixture of extracellular vesicles, amongst these exosomes, that differ in size, density and composition. The standard isolation method for exosomes is centrifugation of fluid samples, typically at 100,000×g or above.
Dennis K Jeppesen   +2 more
exaly   +2 more sources

Centrifugal elutriation (counterstreaming centrifugation) of cells

Cell Biophysics, 1979
Lindahl first described the separation of cells by velocity sedimentation utilizing a special technique (counterstreaming centrifugation) that was later modified slightly and renamed centrifugal elutriation. Centrifugal elutriation has been applied, with variable degrees of success, to the separation of hemopoietic cells, mouse tumor cells, testicular ...
Theresa P. Pretlow, Thomas G. Pretlow
openaire   +3 more sources

A Hematocrit Centrifuge

Scandinavian Journal of Clinical and Laboratory Investigation, 1952
(1952). A Hematocrit Centrifuge. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 4, No. 3, pp. 249-250.
S. Warvenius, B. Norberg
openaire   +3 more sources

Centrifugal chromatography

Journal of Chromatography A, 1962
Abstract A simple technique and the necessary apparatus for quick preparative-scale paper chromatography is described. In order to reduce the time of separation the principle of centrifugal paper chromatography was used. The device permits a precise and controlled separation of the spotted sample into individual fractions within one-third to one ...
Miroslav Pavlíček   +2 more
openaire   +4 more sources

Centrifugal dissociation of a molecule using the optical centrifuge

Ultrafast Phenomena, 2000
We can force an ensemble of molecules to rotate coherently at an accelerating rate, using tailored femtosecond laser pulses. The maximum rotational rate of 6 THz is sufficient to dissociate chlorine into its constituent atoms.
S.A. Aseyev   +5 more
openaire   +2 more sources

Centrifugation

2009
Centrifugation is a process for separation of phases (liquid–liquid or solid–liquid) that differ from each other in their density, using centrifugal acceleration. The many applications of mechanical centrifugation in the food industry include: milk separation, cheese production, pulp control in juices, edible oil production, essential oil recovery, and
openaire   +3 more sources

Centrifuges: A high efficiency centrifuge option

Filtration & Separation, 2006
Filtration + Separation looks at a new centrifuge technology – developed by Advanced Products Laboratories – that can provide a high-efficiency solution for the removal of fine particles from industrial fluids.
Denis Dudrey, Del Gorham
openaire   +2 more sources

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