Results 281 to 290 of about 891,565 (361)

Commercially Available Blue Diode Laser Engraver Operating at 455 nm as an Affordable LD-REIMS Ionization Source. [PDF]

Anal Chem
Weider P, Heffernan D, Qiu M, Klein M, Witthöft C, Chen W, Strittmatter N.   +6 more
europepmc   +1 more source

Metabolomic Analysis Provides Insights into Bud Paradormancy in <i>Camellia sinensis</i> cv. Huangdan. [PDF]

Int J Mol Sci
Chen M, Du Z, Yue W, Kong X, Xu Q, Fang D, Chen C.   +6 more
europepmc   +1 more source

Buffer 4-Ethylmorpholinium/Acetate: Exploring a New Alternative Buffer for Native Mass Spectrometry. [PDF]

Rapid Commun Mass Spectrom
Hadavi D, Ng CY, Zhao Y, Mathew A, Anthony IGM, Cillero-Pastor B, Cuypers E, Siegel TP, Honing M.   +8 more
europepmc   +1 more source

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Cross Sections for Inner-Shell Ionization by Electron Impact

Journal of Physical and Chemical Reference Data, 2014
An analysis is presented of measured and calculated cross sections for inner-shell ionization by electron impact. We describe the essentials of classical and semiclassical models and of quantum approximations for computing ionization cross sections.
A Jablonski, Francesc Salvat, Xavier Llovet   +2 more
exaly   +2 more sources

Guided ionization waves: Theory and experiments

Physics Reports, 2014
Xinpei Lu, Mounir Laroussi, Kostya
exaly   +2 more sources

Mechanistic investigation of ionization suppression in electrospray ionization

Journal of the American Society for Mass Spectrometry, 2000
We show results from experiments designed to determine the relative importance of gas phase processes and solution phase processes into ionization suppression observed in biological sample extracts. The data indicate that gas phase reactions leading to the loss of net charge on the analyte is not likely to be the most important process involved in ...
Richard King, Ryan Bonfiglio, C. Fernandez-metzler, C. Miller-Stein, T. Olah   +4 more
semanticscholar   +4 more sources

Electrospray ionization for mass spectrometry of large biomolecules.

Science, 1989
Electrospray ionization has recently emerged as a powerful technique for producing intact ions in vacuo from large and complex species in solution. To an extent greater than has previously been possible with the more familiar "soft" ionization methods ...
J. Fenn, M. Mann, C. Meng, Shek-Fu Wong, C. Whitehouse   +4 more
semanticscholar   +1 more source

Laser desorption ionization of proteins with molecular masses exceeding 10,000 daltons.

Analytical Chemistry, 1988
In the following, the first results on ultraviolet laser desorption (UVLD) of bioorganic compounds in the mass range above 10000 daltons are reported. Strong molecular ion signals were registered by use of an organic matrix with strong absorption at the ...
M. Karas, F. Hillenkamp
semanticscholar   +1 more source