News tagged with chemical agents

Highly selective catalyst developed for ring-closing olefin metathesis

Research carried out at Boston College, in collaboration with scientists at MIT and the University of Oxford, has led to the development of an efficient and highly selective catalyst for ring-closing olefin metathesis, one ...

Chemistry / Materials Science

created Nov 02, 2011 | popularity not rated yet | comments 0 | with audio podcast

Humble protein, nanoparticles tag-team to kill cancer cells

(PhysOrg.com) -- A normally benign protein found in the human body appears to be able - when paired with nanoparticles - to zero in on and kill certain cancer cells, without having to also load those particles ...

Nanotechnology / Bio & Medicine

created Jul 30, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Nuisance seaweed found to produce compounds with biomedical potential

A seaweed considered a threat to the healthy growth of coral reefs in Hawaii may possess the ability to produce substances that could one day treat human diseases, a new study led by scientists at Scripps ...

Chemistry / Biochemistry

created May 24, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Planned coincidence: Antibody-based search for new chemical reactions

(Phys.org) -- Many discoveries are made by chance, but it is also possible to help it along: The chance of finding something interesting increases when the number of experiments rises. French researchers have ...

Chemistry / Materials Science

created May 22, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Nerve gas litmus test could sense airborne chemical weapons

(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...

Chemistry / Materials Science

created Mar 13, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Overcoming cancer drug resistance with nanoparticles

One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...

Nanotechnology / Bio & Medicine

created Jan 20, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists create natural Alzheimer's-fighting compound in lab

Scientists at Yale University have developed the first practical method to create a compound called huperzine A in the lab. The compound, which occurs naturally in a species of moss found in China, is an enzyme inhibitor ...

Chemistry / Biochemistry

created Aug 25, 2011 | popularity 5 / 5 (2) | comments 3 | with audio podcast

Scientists used accelerated evolution to develop enzymes that provide protection against nerve gas

Protection against nerve gas attack is a significant component of the defense system of many countries around the world. Nerve gases are used by armies and terrorist organizations, and constitute a threat to both the military ...

Chemistry / Biochemistry

created Jan 24, 2011 | popularity 4.9 / 5 (7) | comments 7 | with audio podcast

Understanding nitric oxide toxicity

(PhysOrg.com) -- Researchers at MIT, the Japan Synchrotron Radiation Research Institute (JASRI), and the University of California at Davis have succeeded in characterizing the dinitrosyl iron complexes (DNICs) ...

Chemistry / Biochemistry

created Dec 07, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Chemists mimic library of bio-membranes for use in nanomedicine, drug delivery

An international collaboration led by chemists and engineers from the University of Pennsylvania has prepared a library of synthetic biomaterials that mimic cellular membranes and that show promise in targeted ...

Nanotechnology / Bio & Medicine

created May 20, 2010 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Multifunctional polymer neutralizes both biological and chemical weapons

In an ongoing effort to mirror the ability of biological tissues to respond rapidly and appropriately to changing environments, scientists from the McGowan Institute for Regenerative Medicine have synthesized a single, multifunctional ...

Chemistry / Polymers

created Mar 18, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Navigating in the ocean of molecules

Tracking down new active agents for cancer or malaria treatment could soon become easier - thanks to a computer program with which researchers from the Max Planck Institute of Molecular Physiology in Dortmund aim to facilitate ...

Chemistry / Biochemistry

created Aug 07, 2009 | popularity 5 / 5 (1) | comments 1

Chemists synthesize fungal compound with anti-cancer activity

(PhysOrg.com) -- Ten years ago, William Fenical of the Scripps Institution of Oceanography isolated from an ocean-living fungus a compound that has since shown the ability to kill cancer cells in the lab. ...

Chemistry / Biochemistry

created Apr 26, 2009 | popularity 5 / 5 (4) | comments 0

The acid test: 21st century pH meter

Modern methods for mass production of biological agents and fine chemicals require precise control of pH. However within these systems it is not always possible to use traditional methods for measuring acidity and alkalinity. ...

Biology / Biotechnology

created Mar 28, 2012 | popularity not rated yet | comments 0

Sea sponge potential source of new medicines

The sea sponge has provided Flinders University researchers with inspiration for the discovery and development of new therapeutic agents in the treatment of infectious diseases and cancers.

Chemistry / Biochemistry

created Feb 28, 2012 | popularity 5 / 5 (2) | comments 0