Plants are a rich resource of bioactive compounds, many of which have inspired therapeutic drugs. Yet countless plant compounds, potentially with medical uses, still remain to be identified. Kazuki Saito, ...

Chemistry - Analytical Chemistry

Apr 26, 2013 5 / 5 (1) 0

Current methods of detecting microRNA (miRNA)—gene-regulating molecules implicated in the onset of various diseases—can be time-consuming and costly: The custom equipment used in such tests costs more than $100,000, and ...

Chemistry - Analytical Chemistry

Mar 29, 2013 3.5 / 5 (2) 0

(Phys.org)—A quick, accurate and highly sensitive process to reliably detect minute traces of explosives on luggage, cargo or travelling passengers has been demonstrated by scientists at the Department ...

Chemistry - Analytical Chemistry

Feb 21, 2013 not rated yet 0

(Phys.org)—Portable, accurate, and highly sensitive devices that sniff out vapors from explosives and other substances could become as commonplace as smoke detectors in public places, thanks to researchers ...

Chemistry - Analytical Chemistry

Nov 20, 2012 4.1 / 5 (7) 1 |

The chrome yellow pigment that renowned post-Impressionist artist Vincent van Gogh favored in priceless masterpieces like Sunflowers, the Yellow House and Wheatfield with Crows is especially sensitive to certain ...

Chemistry - Analytical Chemistry

Nov 14, 2012 5 / 5 (1) 0

In an advance toward analyzing blood and urine instantly at a patient's bedside instead of waiting for results from a central laboratory, scientists are reporting development of a new micropump capable of ...

Chemistry - Analytical Chemistry

Oct 31, 2012 5 / 5 (1) 0

When someone develops liver cancer, the disease introduces a very subtle difference to their bloodstream, increasing the concentration of a particular molecule by just 10 parts per billion.

Chemistry - Analytical Chemistry

Oct 26, 2012 2.5 / 5 (2) 0 |

With a sophisticated X-ray analysis scientists have identified why parts of the Van Gogh painting "Flowers in a blue vase" have changed colour over time: a supposedly protective varnish applied after the ...

Chemistry - Analytical Chemistry

Sep 14, 2012 5 / 5 (4) 0 |

Sorting good data from bad is critical when analyzing microscopic structures like cells and their contents, according to researchers at Rice University. The trick is to find the right window of time through ...

Chemistry - Analytical Chemistry

Sep 06, 2012 5 / 5 (1) 0 |

With the best explosive detectors often unable to sniff out the tiny amounts of TNT released from terrorist bombs in airports and other public places, scientists are reporting a potential solution. Their ...

Chemistry - Analytical Chemistry

Aug 08, 2012 5 / 5 (1) 1

(Phys.org) -- Using a sensor made of densely packed carbon nanotubes coated with gold nanoparticles, a researcher team headed by James Rusling of the University of Connecticut has developed a low-cost microfluidic device ...

Nanotechnology - Bio & Medicine

Jul 05, 2012 5 / 5 (1) 0 |

(Phys.org) -- University at Albany researchers have developed a method to determine the caliber and type of weapon used in a crime by analyzing gunshot residue (GSR). Using near-infrared (NIR) Raman microspectroscopy ...

Chemistry - Analytical Chemistry

Jun 19, 2012 1.5 / 5 (2) 0

(Phys.org) -- A recent study puts some finishing touches on the 2,300-year history of the beak-like weapon that an ancient warship used to ram enemy ships in the First Punic War, the conflict between ancient ...

Chemistry - Analytical Chemistry

Jun 06, 2012 3 / 5 (1) 0

Scientists are reporting development of a new paper-based device that can warn workers that they are being exposed to potentially unhealthy levels of airborne metals almost immediately, instead of the weeks ...

Chemistry - Analytical Chemistry

May 31, 2012 5 / 5 (1) 0

The National Institute of Standards and Technology (NIST) has released a new standard reference material (SRM) to aid in the detection of two explosive compounds that are known to be used by terrorists. Researchers ...

Chemistry - Analytical Chemistry

May 30, 2012 not rated yet 0