Extract Chemical Information from Single Hair Using Lasers
| April 30, 2011 | Posted by suwarnaadi under News |
A new laser-powered chemical analysis technique is so sensitive that it can take dozens of samples from a single strand of hair, distinguishing between the chemical signatures of each. “With a single hair, we’ve shown you can take carbon isotope measurements over time instead of just chopping up the sample and averaging everything,” geochemist Jim Moran of Pacific Northwest National Laboratory, whose team describe the… more














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