News tagged with concentration

Concentration

In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. Four types can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes in homogeneous solutions.

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Scientists define a new mechanism leading to tumor hypoxia

An article published recently in Tumor Microenvironment and Therapy - an open access journal by Versita, defines a novel mechanism of tumor hypoxia induced by the longitudinal gradient of residual oxygen along tumor vessel ...

Cancer created May 09, 2013 | popularity 5 / 5 (1) | comments 0

'Type case' makes sparing use of laboratory animals

Researchers at the University of Twente's MIRA research institute have developed a system which may drastically reduce the use of laboratory animals in science. The system, which is designed to be implanted in laboratory ...

Other created May 16, 2013 | popularity 4 / 5 (1) | comments 0