Search results for nanograms

Analytical Chemistry Jun 24, 2010

Breast milk transmits drugs and medicines to the baby

There is great confusion among the scientific community about whether women who are drug abusers should breast feed their babies. In order to shed some light on this issue, scientists from various Spanish hospitals and research ...

Environment May 18, 2010

88 pollutants detected in Madrid's rivers

A team of researchers from IMDEA, the Madrid Institute for Advanced Studies, and the University of Almeria has confirmed the presence of 88 pollutants in river waters in the region of Madrid. These compounds, most of which ...

Analytical Chemistry May 5, 2010

Ultra-Sensitive Cocaine Detection

(PhysOrg.com) -- Forensic science student Sonica Devi has found minute traces of cocaine at a number of public phone boxes in the city of Derby, UK - thanks to a new development in forensic analysis.

Ecology Apr 9, 2010

Invasive fish and mussels team up to transfer toxic substances into Great Lakes walleyes

(PhysOrg.com) -- Two notorious Great Lakes invaders -- the zebra mussel and the round goby -- now play a central role in transferring toxic chemicals called PCBs up the food chain and into Saginaw Bay walleyes, one of that ...

Analytical Chemistry Dec 23, 2009

Tracing the traces: Nanogram concentrations of a toxic compound detected in chlorinated tap water

(PhysOrg.com) -- Drinking water can transmit a number of diseases, including typhoid, dysentery, cholera, and diarrhea, which can then spread explosively throughout an entire service area. To avoid this problem, drinking ...

Environment Dec 7, 2009

White, but not pure

Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from America's highest ...

Bio & Medicine Nov 18, 2009

Detecting the Undetectable in Prostate Cancer Testing

(PhysOrg.com) -- A team of Northwestern University researchers, using an extremely sensitive nanotechnology-based tool known as the biobarcode system, has detected previously undetectable levels of prostate-specific antigen ...

Engineering Oct 20, 2009

Is Your Microrobot Up for the (NIST) Challenge?

(PhysOrg.com) -- The scientists and engineers who introduced the world to tiny robots demonstrating soccer skills are creating the next level of friendly competition designed to advance microrobotics -- the field devoted ...

Environment Oct 12, 2009

Cash register receipts a new BPA concern

If you read environmental news on a regular basis then you know that consumers are in an uproar about the revelation that SIGG water bottles contain bisphenol-A (BPA), despite the company's previous BPA-free advertisements. ...

Environment Oct 1, 2009

Tamiflu Metabolite Found in Sewage Discharge, River Water

(PhysOrg.com) -- In a study published September 28th ahead of print in the peer-reviewed journal Environmental Health Perspectives, researchers measured oseltamivir carboxylate (OC), the active metabolite of the popular anti-influenza ...

page 18 from 21