News tagged with concentration

'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

Study findings significant for treating infections in Type 1 diabetes

A small University at Buffalo study has found for the first time that in Type 1 diabetics, insulin injections exert a strong anti-inflammatory effect at the cellular and molecular level, while even small amounts of glucose ...

Diabetes created May 16, 2013 | popularity not rated yet | comments 0

ASH: People with hypertension prefer higher salt taste

(HealthDay)—People with hypertension have a taste for more salt in their food than do individuals with normotension, according to a study presented at the annual meeting of the American Society of Hypertension, ...

Health created May 16, 2013 | popularity not rated yet | comments 0

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

Malaria parasite protein identified as potential new target for drug treatment

Scientists have discovered how a protein within the malaria parasite is essential to its survival as it develops inside a mosquito. They believe their findings identify this protein as a potential new target for drug treatments ...

Medical research created Apr 25, 2013 | popularity not rated yet | comments 0 | with audio podcast

Should kids sit less or move more? CHEO Research answers

Researchers have discovered that participation in physical activity of at least moderate intensity is more critical to childhood cardiometabolic health than overall sedentary time. However, when evaluating the risk of cardiovascular ...

Health created Apr 23, 2013 | popularity not rated yet | comments 0

Treatment for novel coronavirus shows promise in early lab tests

National Institutes of Health (NIH) scientists studying an emerging coronavirus have found that a combination of two licensed antiviral drugs, ribavirin and interferon-alpha 2b, can stop the virus from replicating ...

Diseases, Conditions, Syndromes created Apr 18, 2013 | popularity not rated yet | comments 0

HIV-infected moms who breastfeed exclusively have lower levels of virus in breast milk

HIV-infected women in sub-Saharan Africa who fed their babies exclusively with breast milk for more than the first four months of life had the lowest risk of transmitting the virus to their babies through breast milk, according ...

HIV & AIDS created Apr 17, 2013 | popularity not rated yet | comments 0 | with audio podcast

Baseball is great for kids, but injuries can be serious

Baseball, America's favorite pastime. From watching a child's first T-ball game to aspirations of playing in the Little League World Series, there is just something special about kids and baseball. Though ...

Health created Apr 15, 2013 | popularity not rated yet | comments 0

Retinoic acid gradient visualized for the first time in an embryo

In a ground-breaking study, researchers from the RIKEN Brain Science Institute in Japan report a new technique that allows them to visualize the distribution of retinoic acid in a live zebrafish embryo, in ...

Medical research created Apr 07, 2013 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Expert pitches safety tips for young baseball players

(HealthDay)—Baseball is one of the safest sports for children, but even so there are potential risks that can result in serious injury, an expert warns.

Health created Apr 06, 2013 | popularity not rated yet | comments 0

Can environmental contaminants cause lower sperm count?

The amount of perfluorooctanoic acid (PFOA) that mothers had in their blood during pregnancy affected their sons' semen quality at 20 years old. These findings appear in a recent study from Aarhus University ...

Health created Mar 20, 2013 | popularity not rated yet | comments 0

Does chewing gum give your brain an edge?

(HealthDay)—That wad of gum you're chewing may be more than a breath-freshener—it might also boost your powers of concentration, a small new study suggests.

Health created Mar 09, 2013 | popularity 3 / 5 (5) | comments 3 | with audio podcast

FSH, inhibin B poor predictors of sperm count after cancer

(HealthDay)—Serum levels of follicle-stimulating hormone (FSH) and inhibin B are not good predictors of sperm levels in male survivors of childhood cancer, according to a study published online Feb. 19 ...

Cancer created Mar 08, 2013 | popularity 5 / 5 (1) | comments 0

Is this peptide a key to happiness?

(Medical Xpress)—What makes us happy? Family? Money? Love? How about a peptide? The neurochemical changes underlying human emotions and social behavior are largely unknown. Now though, for the first time in humans, scientists ...

Psychology & Psychiatry created Mar 07, 2013 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

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.

For more information about Concentration, read the full article at Wikipedia.
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