Quantitative analysis of small metal fragments by LA-ICP-MS
08 February, 2003Small, irregularly shaped samples can present difficulties for the established methods of metal analysis. Laser-ablation ICP-MS offers accuracy and precision independent of sample form
Molecular opto-electronic switch
08 January, 2002Using photosynthesis as their model, chemists at Washington University in St Louis, North Carolina State University, and the University of California, Riverside have tested molecular electronic switches that turn the flow of light energy on and off
BioTOF-Q mass spectrometer
21 August, 2001BioTOF-Q is an ultra-high performance electrospray ionisation (ESI) mass-selective quadrupole/collision quadrupole/time-of-flight analyser (Q-q-TOF) mass spectrometer. It adds tandem mass spectrometry (MS/MS) capabilities to the Bruker BioTOF II high-resolution LC-ESI-TOF system.