Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Andreas Bierstedt"'
Publikováno v:
Analytical Methods. 12:5046-5054
Raman spectroscopy is becoming a commonly used, powerful tool for structural elucidation and species identification of small liquid samples, e.g. in droplet-based digital microfluidic devices. Due to the low scattering cross sections and the temporal
Autor:
Gaby Bosc-Bierne, Michael G. Weller, Jens Riedel, Yi You, Andreas Bierstedt, Sebastian van Wasen
Publikováno v:
Analytical Chemistry. 91:5922-5928
An airborne high repetition rate laser-induced plasma was applied as a versatile ambient ionization source for mass-spectrometric determinations of polar and nonpolar analytes in solution. The laser plasma was sustained between a home-built pneumatic
Publikováno v:
Journal of Analytical Atomic Spectrometry. 34:1618-1629
Advances in laser-induced plasmas have enabled various rapid and simple analytical applications. Especially, their uses in the analyses of condensed-phase samples have drawn significant attention in the past few decades. Depending on the laser energy
Publikováno v:
Journal of Analytical Atomic Spectrometry. 33:135-140
Optical elemental analysis in the gas phase typically relies on electrically driven plasmas. As an alternative approach, laser-induced plasmas (LIPs) have been suggested but have so far been only scarcely used. Here, a novel signal enhancement strate
Autor:
Jens Riedel, Reto Glaus, Hendrik Kersten, Andreas Bierstedt, Ulrich Panne, Igor B. Gornushkin
Publikováno v:
Analytical chemistry. 89(6)
An airborne laser plasma is suggested as an ambient ion source for mass spectrometry. Its fundamental physical properties, such as an excellent spatial and temporal definition, high electron and ion densities and a high effective cross section in mai
Publikováno v:
European Journal of Mass Spectrometry. 20:21-29
A commercially available airbrush gun as a new source for spray ionisation is presented. It is best operated employing moderate stagnation pressures, resulting in a sonic gas flow. A mass spectrometric investigation on the amino acid lysine and sever
Publikováno v:
European journal of mass spectrometry (Chichester, England). 20(5)
One major drawback of matrix-assisted laser desorption/ionization (MALDI) is still the relatively poor pulse-to-pulse reproducibility of the signal intensity. This problem, caused by insufficient homogeneity in the matrix/analyte co-crystallization,