Sentences with phrase «subtle chemical change»

Such physical changes to the atmosphere might last only hours or days, he notes, but any subtle chemical changes — including those resulting from the extra hydrogen added to the air when ultraviolet light breaks down the water vapor — would persist much longer.

Professor Sinclair said: «It is well established that prior to conception and in the early stages of pregnancy during natural or assisted reproduction subtle chemical changes can affect the human genome leading to development and late - onset chronic diseases.

Not exact matches

This subtle change caused many volatile petroleum chemicals to dissolve more rapidly and become entrapped in the deep sea.

Such subtle but potentially important changes also highlight one problem facing any environmental scientist sleuthing the putative mechanisms for CCD: Most bees simply aren't exposed to just one toxic chemical.

Scientists could seek to understand the subtle pressure of light that causes asteroids to change their spin, and could retrieve samples for dating and chemical analysis that would offer a clearer picture of Solar System material than do meteorites, which, although they are pieces of asteroids, are altered during their fall through Earth's atmosphere.

This technique can detect subtle color changes as well as other physical and chemical properties of the algae, making it possible to determine the pond's density and overall health.

However, these changes were not linked to changes in any key chemical compound, but rather «a result of an interplay of subtler changes in multiple aroma active substances in each wine,» notes corresponding author Dr Andrea Buettner.

«The negative effects of estrogenic chemicals on the developing male include an expanding list of subtle changes to the developing brain, reproductive tract, and testis,» the authors wrote.

It measures the inflammatory response and subtle changes in our immune cells (lymphocytes, neutrophils, monocytes, and eosinophils) as they release chemical mediators (a substance released from cells, e.g., cytokines, histamine, leukotrienes, prostaglandins, etc.), that regulate or cause physiologic consequences during an immune response to an antigen.

Researchers believe that dogs accomplish this through a keen sense of smell which can detect subtle changes in the body's chemical makeup.