Formaldehyde among substances added to cancer list
The 12th Report on Carcinogens, released Friday by the National Toxicology Program, officially added the chemical and several others to the list of substances ... formaldehyde is not listed on the labels of most products, so Brawley says it can be ...
How Can TO-15 Help You Solve Your Next IAQ Problem?
The first useful pair of methods was TO-1 and TO-2 where organic compounds were collected on sorbent traps and introduced into a specially-designed cryogenic focussing interface connected to a GC/MS (gas chromatograph/mass spectrometer). This was the ...
Critical Path Opportunities for Generic Drugs
QbD can be used by generic ... a large number of molecular species hat may contribute to the therapeutic activity and thus pose significant challenges for current analytical methods. 1 FDA, Challenge and Opportunity on the Critical Path to New Medicinal ...
More than you probably wanted to know about Curiosity's SAM instrument
Just from reading these questions, you ... Used in concert with the GC and QMS, the tunable laser spectrometer can help determine the abundances of gases that can be hard to pull out of mass spectrometer measurements because of ambiguous molecular masses.
Who Is Stalking You On Facebook? Who Is Your Biggest Fan?
Facebook has always been plagued with privacy issues, such as revealing to third parties personal information which may be used ... person you looked at, or if that is not the case, it was the last person who looked at you. These three methods can be ...