Analytical Chemistry News and Research

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Detecting cancer with silica nanoparticles

Tumor necrosis factor-alpha is a widely accepted biomarker for cancer, but the minute amounts of this protein circulating in blood makes detecting the molecule and measuring its concentration accurately a technological challenge.

19 Sep 2006

New microfluidic device suitable for large-scale screening of disease-related biomarkers

Researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech have developed a disposable microchip that replaces space-consuming instrumentation with fast, cost-effective, lab-on-a-chip technology.

5 Sep 2006

"Lab on a chip" test for diabetes and cardiovascular disease

A Colorado State University chemistry professor has developed a way to rapidly test blood for signs of diabetes and cardiovascular disease - methods that could save patients and physicians significant time and money.

27 Jun 2006

Silicone breast implants leak platinum into the body

According to a new study high levels of platinum have been found in the hair, breast milk and other samples from women who had silicone gel-filled breast implants.

10 Apr 2006

Innovative sensing tool used to investigate adenosine triposphate release and its role in cystic fibrosis

The ATP study marks the first application of a novel sensing system developed by a research team led by Christine Kranz at the Georgia Institute of Technology.

27 Mar 2006

New technology - desorption electrospray ionization detects the boundaries of cancerous tumors

Researchers at Purdue University have shown how a new ultra-fast chemical-analysis tool has numerous promising uses for detecting everything from cancer in the liver to explosives residues on luggage and "biomarkers" in urine that provide an early warning for diseases.

21 Mar 2006

New system for analyzing how drugs bind to proteins

Researchers at Florida State University's National High Magnetic Field Laboratory and Scripps Florida have developed and evaluated a robust new system for analyzing how drugs bind to proteins. This groundbreaking work could speed the delivery of potential new drugs and improve existing ones.

19 Feb 2006

Mushrooms are a great source of antioxidants

Using a new, more sensitive-testing approach they developed for fungi, Penn State food scientists have found that mushrooms are a better natural source of the antioxidant ergothioneine than either of the two dietary sources previously believed to be best

31 Aug 2005

Ways to economically recover recombinant proteins from transgenic tobacco

The economics of producing biopharmaceuticals from transgenic plants such as tobacco is still a roadblock to producing large quantities of urgently needed medicines, especially for people in underdeveloped nations.

12 Aug 2004

New under-skin sensor that monitors blood sugar levels for diabetics

People with diabetes could soon be waving goodbye to the pain and hassle of needles, thanks to a new under-skin sensor that monitors blood sugar levels with a simple wave of the arm.

29 Jun 2004