| US 7,462,494 B2 | ||
| Method for laser desorption mass spectrometry using porous polymeric substrates with particle fillers | ||
| Brinda B. Lakshmi, Woodbury, Minn. (US); and Bathsheba E. Chong Conklin, Saint Paul, Minn. (US) | ||
| Assigned to 3M Innovative Properties Company, St. Paul, Minn. (US) | ||
| Filed on Jun. 09, 2003, as Appl. No. 10/457,651. | ||
| Prior Publication US 2004/0248108 A1, Dec. 09, 2004 | ||
| Int. Cl. G01N 24/00 (2006.01) | ||
| U.S. Cl. 436—173 | 6 Claims |
| 1. A method of analyzing a sample material, the method comprising:
providing a porous polymeric substrate configured to receive the sample material;
desorption of an analyte from the substrate using a high energy beam; and
analysis of the desorbed analyte using a mass spectrometer;
wherein the porous polymeric substrate contains a particle filler.
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