small, easy to handle and ready to be connected to themass spectrometerin order to pick signals from the collected molecules right away. While performing the tests, we came to realize that a rigid spherical sampler made from porous fibrous polypropylene is best suited for the task, because it ...
(Phys.org)—With SLAC's Linac Coherent Light Source X-ray laser, timing is everything. Its pulses are designed to explore atomic-scale processes that are measured in femtoseconds, or quadrillionths of a second. Determining the instant in time at which the laser strikes a sample, either by ...