Recent advances in mass spectrometry analysis of neuropeptides

A Phetsanthad, NQ Vu, Q Yu… - Mass spectrometry …, 2023 - Wiley Online Library
Due to their involvement in numerous biochemical pathways, neuropeptides have been the
focus of many recent research studies. Unfortunately, classic analytical methods, such as …

A tutorial: Laserspray ionization and related laser‐based ionization methods for use in mass spectrometry

S Trimpin - Mass Spectrometry Reviews, 2023 - Wiley Online Library
This Tutorial is to provide a summary of parameters useful for successful outcomes of
laserspray ionization (LSI) and related methods that employ a laser to ablate a matrix …

A mechanism for ionization of nonvolatile compounds in mass spectrometry: considerations from MALDI and inlet ionization

S Trimpin, B Wang, ED Inutan, J Li… - Journal of The …, 2012 - ACS Publications
Mechanistic arguments relative to matrix-assisted laser desorption/ionization (MALDI) mass
spectrometry (MS) address observations that predominately singly charged ions are …

" Magic" ionization mass spectrometry

S Trimpin - Journal of The American Society for Mass Spectrometry, 2016 - Springer
The systematic study of the temperature and pressure dependence of matrix-assisted
ionization (MAI) led us to the discovery of the seemingly impossible, initially explained by …

Matrix assisted ionization in vacuum, a sensitive and widely applicable ionization method for mass spectrometry

S Trimpin, ED Inutan - Journal of The American Society for Mass …, 2013 - ACS Publications
An astonishingly simple new method to produce gas-phase ions of small molecules as well
as proteins from the solid state under cold vacuum conditions is described. This matrix …

Matrix assisted ionization: new aromatic and nonaromatic matrix compounds producing multiply charged lipid, peptide, and protein ions in the positive and negative …

J Li, ED Inutan, B Wang, CB Lietz… - Journal of the …, 2012 - ACS Publications
Matrix assisted inlet ionization (MAII) is a method in which a matrix: analyte mixture
produces mass spectra nearly identical to electrospray ionization without the application of a …

Advances in mass spectrometric tools for probing neuropeptides

A Buchberger, Q Yu, L Li - Annual review of analytical chemistry, 2015 - annualreviews.org
Neuropeptides are important mediators in the functionality of the brain and other
neurological organs. Because neuropeptides exist in a wide range of concentrations …

Magic matrices for ionization in mass spectrometry

S Trimpin, CA Lutomski, TJ El-Baba… - International Journal of …, 2015 - Elsevier
The initial discovery that a heated inlet tube of a mass spectrometer is an ionization source
producing ions from volatile, nonvolatile, small, and large molecules with charge states …

Inlet ionization: a new highly sensitive approach for liquid chromatography/mass spectrometry of small and large molecules

VS Pagnotti, ED Inutan, DD Marshall… - Analytical …, 2011 - ACS Publications
Inlet ionization is a new approach for ionizing both small and large molecules in solids or
liquid solvents with high sensitivity. The utility of solvent based inlet ionization mass …

Protein analysis by desorption electrospray ionization mass spectrometry and related methods

KA Douglass, AR Venter - Journal of mass spectrometry, 2013 - Wiley Online Library
Desorption electrospray ionization mass spectrometry (DESI‐MS) requires little to no sample
preparation and has been successfully applied to the study of biologically significant …