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Posts tagged: contamination

Rapid test strips detect bacterial contamination in swimming water

April 30, 2012
Researchers have developed a rapid testing method using a simple paper strip that can detect E. coli in recreational water within minutes. The new tool can close the gap between outbreak and detection, improving public safety.

Fish, bugs and mercury contamination in small ponds: Why we should worry about aquatic insects and hg contamination

April 10, 2012
There have been many scientific studies looking at the levels of toxic mercury (Hg) in fish. After all, fish can end up directly on our plate. However, far fewer studies have examined Hg levels in aquatic insects. This is a significant oversight because aquatic insects are an important source of ...

Bacterial contamination found in pharmacy robots

April 4, 2012
Drug-dispensing robots designed to quickly prepare intravenous medications in a sterile environment can harbor dangerous bacteria, according to a new report.

A capsule for removing radioactive contamination from milk, fruit juices, other beverages

March 28, 2012
Amid concerns about possible terrorist attacks with nuclear materials, and fresh memories of environmental contamination from the 2011 Fukushima Daiichi nuclear disaster in Japan, scientists today described development of a capsule that can be dropped into water, milk, fruit juices and other foods to remove more than a dozen radioactive ...

Capsule for removing radioactive contamination from milk, fruit juices, other beverages

March 28, 2012
Amid concerns about possible terrorist attacks with nuclear materials, and fresh memories of environmental contamination from the 2011 Fukushima Daiichi nuclear disaster in Japan, scientists have developed a capsule that can be dropped into water, milk, fruit juices and other foods to remove more than a dozen radioactive substances.

Nitrogen Contamination Found in California Water

March 13, 2012
One in 10 people living in a productive agricultural area of central California is at risk for nitrate contamination in their drinking water.

Microbial contamination found in orange juice squeezed in bars and restaurants, study suggests

December 14, 2011
Scientists have analyzed fresh orange juice squeezed by machines in catering establishments. They have confirmed that 43% of samples exceeded the acceptable enterobacteriaceae levels laid down by legislation. The researchers recommend that oranges are handled correctly, that juicers are washed properly and that the orange juice is served immediately rather ...

Abnormal levels of caffeine in water indicate human contamination

November 22, 2011
Researchers have discovered that traces of caffeine are a useful indicator of the contamination of our water by sewers.

Chromium slag contamination in China

September 19, 2011
Illegal dumping could have introduced hexavalent chromium into the water and soil of Yunnan province in China

Terminating toxic metals: Molecularly engineered material solves complex environmental contamination issues

September 8, 2011
A whiteboard, dry-erase markers and curiosity can sometimes be the most powerful tools in the scientific toolkit to solve America's biggest challenges. And few problems pose as serious a threat to the environment or human health as mercury contamination.

Indigenous cases of leprosy found in the Southern United States: Human contamination through contact with armadillos

April 28, 2011
Using advanced DNA analysis and extensive field work, an international research team has confirmed the link between leprosy infection in Americans and direct contact with armadillos. Clear evidence was found that a never-before-seen strain of Mycobacterium leprae has emerged in the Southern United States and that it is transmitted through ...

Environmental E. coli: New way to classify E. coli bacteria and test for fecal contamination

April 11, 2011
The meaning of the standard fecal coliform test used to monitor water quality has been called into question by a new study that identified sources of Escherichia coli bacteria that might not indicate an environmental hazard.