New sensor system improves detection of lead, heavy metals

User rating: 4.4 / 5 after 5 vote(s)

PNNLs biomonitoring detection system uses two classes of sensors to analyze blood urine or saliva samples. While small and portable the sensitive system provides detection levels at parts-per-billion. Credit: PNNL
PNNL's biomonitoring detection system uses two classes of sensors to analyze blood, urine or saliva samples. While small and portable, the sensitive system provides detection levels at parts-per-billion. Credit: PNNL

The Department of Energy’s Pacific Northwest National Laboratory has developed a new rapid, portable and inexpensive detection system that identifies personal exposures to toxic lead and other dangerous heavy metals. The device can provide an accurate blood sample measurement from a simple finger prick, which is particularly important when sampling children.


Full story »

All News summaries from General Science news
All News summaries for February 12, 2008

Uncertain future for elephants of Thailand

37 minutes ago | User rating: not rated yet
Worries over the future of Thailand' s famous elephants have emerged following an investigation by a University of Manchester team.

Study explores plausibility of bulbs and tubers in the diet of early human ancestors

12 hours ago | User rating: not rated yet
(PhysOrg.com) -- It was a dirty job, but somebody had to do it. Anthropologist Nathaniel J. Dominy of the University of California, Santa Cruz, has advanced the investigation of the diet of early human ancestors ...

Wealth Does Not Dictate Concern for the Environment

Jul 25, 2008 | User rating: not rated yet
It has been a long-held assumption that poor nations will not support efforts to protect the environment since their citizens are too preoccupied with meeting basic needs, such as food and housing. However, a new study in ...

Construction workers unearth mammoth bones in Minsk

Jul 25, 2008 | User rating: not rated yet
Workers building a business centre in Minsk came across the bones of two mammoths thought to be between 25,000 and 45,000 years old, an official from Belarus' Academy of Sciences told AFP on Friday.

Women's access to credit affects efficiency in rural households

Jul 25, 2008 | User rating: not rated yet
Rural strategies designed to induce economic growth often emphasize the need to improve access to capital for poor households. However, this approach implicitly assumes that family members pool all their resources and allocate ...