Search results for nanograms

Analytical Chemistry Jul 17, 2009

Baby bathwater contains fragrance allergens

A group of chemists from the University of Santiago de Compostela (USC, Spain) has developed a method to quantify the fragrance allergens found in baby bathwater. The researchers have analysed real samples and detected up ...

Nanomaterials Jul 8, 2009

New way to make sensors that detect toxic chemicals

(PhysOrg.com) -- Ohio State University researchers have developed a new method for making extremely pure, very small metal-oxide nanoparticles.

General Physics Jun 17, 2009

NIST researchers 'all aglow' over new test of toxin strength

A new National Institute of Standards and Technology (NIST) assay using a “glow or no glow” technique may soon help the U.S. Department of Homeland Security (DHS) defend the nation against a spectrum of biological weapons ...

General Physics May 19, 2009

Physicists Scrutinize Antimatter in Angels & Demons

(PhysOrg.com) -- Could the Vatican really be destroyed by antimatter stolen from a CERN laboratory? The scheme might work in the plot of Angels & Demons, the most recent Hollywood thriller based on a book by Dan Brown. However, ...

Environment Jan 26, 2009

Hypertension and cholesterol medications present in water released into the St. Lawrence River

A study conducted by Université de Montréal researchers on downstream and upstream water from the Montreal wastewater treatment plant has revealed the presence of chemotherapy products and certain hypertension ...

Nanophysics Nov 13, 2008

Let the games begin! Nanosoccer at 2009 RoboCup in Austria

(PhysOrg.com) -- The World Cup may be two years away, but soccer aficionados can get an early start at satisfying their yen for global competition when the National Institute of Standards and Technology and the RoboCup Federation ...

Nanophysics Oct 15, 2008

Paperwork: Buckypapers Clarify Electrical, Optical Behavior of Nanotubes

(PhysOrg.com) -- Using highly uniform samples of carbon nanotubes—sorted by centrifuge for length—materials scientists at the National Institute of Standards and Technology have made some of the most precise measurements ...

Jul 10, 2008

Scientists Discover Which Waters Egg-Laying Mosquitoes Like Best

Scientists at Tulane and North Carolina State universities have identified the chemical cues in water that entice yellow fever mosquitoes to lay their eggs. The study is the first to isolate the compounds that the finicky ...

Jul 7, 2008

Scientists discover chemical cues that stimulate egg laying by pregnant mosquitoes

North Carolina State University scientists have figured out one reason why pregnant yellow fever mosquitoes (Aedes aegypti), one of the most important disease transmitters worldwide, choose to lay their eggs in certain outdoor ...

Nanophysics May 14, 2008

Public Invited to See Nanosoccer Robots in Action in Pittsburgh

Nanosoccer returns to the field later this month, when the National Institute of Standards and Technology hosts for the second time the world’s most Lilliputian sport. Three student teams will participate in a public exhibition ...

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