Analytical Chemistry news

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

Chemistry / Analytical Chemistry

Dec 23, 2009 | 5 / 5 (3) | 6

(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 ...

Adjusting acidity with impunity

Chemistry / Analytical Chemistry

Dec 22, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...

Glowing channels: Microanalysis system for rapid mercury detection

Chemistry / Analytical Chemistry

Dec 22, 2009 | not rated yet | 0

(PhysOrg.com) -- Water contaminated with mercury is very dangerous for both people and the environment, as mercury is one of the most toxic heavy metals. Though laboratory analyses do deliver precise quantitative measurements, ...

'Smell of old books' offers clues to help preserve them

Chemistry / Analytical Chemistry

Dec 02, 2009 | not rated yet | 0

Scientists may not be able to tell a good book by its cover, but they now can tell the condition of an old book by its smell. In a report in ACS' Analytical Chemistry, a semi-monthly journal, they describe develo ...

Research sheds light on workings of anti-cancer drug

Chemistry / Analytical Chemistry

Nov 26, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...

GE Scientists Developing Wearable RFID Sensors to Detect Airborne Chemical Agents

Chemistry / Analytical Chemistry

Nov 20, 2009 | not rated yet | 0

GE Global Research, the technology development arm for the General Electric, today announced a $2 million award from the National Institute of Environmental Health Sciences to develop wearable RFID sensors ...

IBM scientists create rapid disease diagnostic chip (w/ Video)

Chemistry / Analytical Chemistry

Nov 19, 2009 | 5 / 5 (11) | 0

IBM scientists have created a one-step point-of-care-diagnostic test, based on an innovative silicon chip, that requires less sample volume, is significantly faster, portable, easy to use, and can test for ...

'No muss, no fuss' miniaturized analysis for complex samples developed

Chemistry / Analytical Chemistry

Nov 18, 2009 | 4.7 / 5 (3) | 0

The goal of an integrated, miniaturized laboratory analysis system, also known as a "lab-on-a-chip," is simple: sample in, answer out. However, researchers wanting to use these microfluidic devices to analyze ...

Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study

Chemistry / Analytical Chemistry

Nov 11, 2009 | 4 / 5 (3) | 0

(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...

Telling an old book by its smell: Aroma hints at ways of preserving treasured documents

Chemistry / Analytical Chemistry

Nov 10, 2009 | 5 / 5 (1) | 0

Scientists may not be able to tell a good book by its cover, but they now can tell the condition of an old book by its odor. In a report published in the American Chemical Society's Analytical Chemistry they d ...

Researchers to develop novel drug detection technology using software that acts like a robotic scientist

Chemistry / Analytical Chemistry

Nov 09, 2009 | not rated yet | 0

(PhysOrg.com) -- Every time a person snorts cocaine, it doesn’t just go to his or her head: It also provokes a response in the immune system, creating special biomolecules that may serve as a permanent record of each exposure.

Computer predicts reactions between molecules and surfaces, with 'chemical precision'

Chemistry / Analytical Chemistry

Nov 06, 2009 | 5 / 5 (2) | 0

Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by ...

Tiny injector to speed development of new, safer, cheaper drugs

Chemistry / Analytical Chemistry

Nov 04, 2009 | 4.8 / 5 (4) | 0

It's no bigger than a stamp packet but it has the potential to allow rapid development of a new generation of drugs and genetic engineering organisms, and to better control in-vitro fertilization.

New evidence supports 19th century idea on formation of oil and gas

Chemistry / Analytical Chemistry

Nov 04, 2009 | 4 / 5 (2) | 1

Scientists in Washington, D.C. are reporting laboratory evidence supporting the possibility that some of Earth's oil and natural gas may have formed in a way much different than the traditional process described ...

An inexpensive 'dipstick' test for pesticides in foods

Chemistry / Analytical Chemistry

Nov 04, 2009 | 5 / 5 (1) | 0

Scientists in Canada are reporting the development of a fast, inexpensive "dipstick" test to identify small amounts of pesticides that may exist in foods and beverages. Their paper-strip test is more practical ...

NIST quantifies low levels of 'heart attack risk' protein

Chemistry / Analytical Chemistry

Nov 04, 2009 | 5 / 5 (1) | 0

Searching for a needle in a haystack may seem futile, but it's worth it if the needle is a hard-to-detect protein that may identify a person at high risk of a heart attack circulating within a haystack of ...

The 'e-Nose': Scientists try to develop an electronic sniffer

Chemistry / Analytical Chemistry

Nov 02, 2009 | 4 / 5 (1) | 1

Sniff, sniff, sniff -- Yum! Sniff, sniff, sniff -- Oh, yuck!!! For almost 25 years, chemists and other scientists have tried to build a machine that can do exactly that.

Seeing Previously Invisible Molecules for the First Time

Chemistry / Analytical Chemistry

Oct 23, 2009 | 5 / 5 (7) | 1

(PhysOrg.com) -- A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows ...