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Tag: "acidity" at biology news

Acid water in East Java threatens biodiversity and local welfare

...uminium content of the water - associated with the acidity - also plays an important role in this. Other elements such as fluorine, in the form of fluoride, form a direct threat for public health. The levels are not only alarmingly high in the river water but also in the groundwater and drinking water wells....

Researchers identify protein crucial for survival of Lyme-disease bacterium

...rd said it appears that changes in temperature and acidity signal the bacteria that the nutrient is present, triggering the bacteria to replicate in large numbers and migrate to the tick's salivary glands, where they are transmitted into animals or humans during the tick's feeding process. The energy for rep...

Polymers with copper show promise for implanted sensors

... or under the skin to continuously monitor oxygen, acidity (pH), or glucose levels is a major challenge for analytical chemists and biomedical engineers. The problem is, the body responds to these foreign objects in ways that interfere with their ability to accurately measure blood chemistry. In the bloodstr...

MetaChip provides quick, efficient toxicity screening of potential drugs

...ReProtect, Inc., Baltimore, MD, boosts the natural acidity of the vagina in the presence of seminal fluid that neutralizes the vaginal environment. An acidic environment inactivates HIV as well as other pathogens. Each woman in the trial will be placed at random into one of four equally sized groups. One gr...

International trial of two microbicides begins

...ReProtect, Inc., Baltimore, MD, boosts the natural acidity of the vagina in the presence of seminal fluid that neutralizes the vaginal environment. An acidic environment inactivates HIV as well as other pathogens. Each woman in the trial will be placed at random into one of four equally sized groups. One gr...

Scientists develop new color-coded test for protein folding

...me principle as ordinary pH tests that measure the acidity of water, is described in the March 2005 issue of ... 5.8 and light blue at pH 4, which is close to the acidity of wine. Lab analysis revealed that additional hydrochloric acid was causing the cytochrome c molecu...

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