Results 41 to 50 of about 3,958,494 (277)

OpenASAP: An affordable 3D printed atmospheric solids analysis probe (ASAP) mass spectrometry system for direct analysis of solid and liquid samples

HardwareX, 2023
Atmospheric Solids Analysis Probe (ASAP) mass spectrometry is a versatile technique allowing direct sampling of solid and liquid samples, but its adoption is limited due to the high cost of commercial ASAP systems.
Robert Samples, Riko Mukoyama, Jacob Shaffer, Jill Mikucki, Lesley-Ann Giddings   +4 more
doaj   +1 more source

Desorption Electrospray Ionization (DESI) Mass Spectrometric Imaging of the Distribution of Rohitukine in the Seedling of Dysoxylum binectariferum Hook. F. [PDF]

PLoS ONE, 2016
Ambient ionization mass spectrometric imaging of all parts of the seedling of Dysoxylum binectariferum Hook. f (Meliaceae) was performed to reconstruct the molecular distribution of rohitukine (Rh) and related compounds.
Patel Mohana Kumara, Amitava Srimany, Suganya Arunan, Gudasalamani Ravikanth, Ramanan Uma Shaanker, Thalappil Pradeep   +5 more
doaj   +1 more source

Localization of Major Ephedra Alkaloids in Whole Aerial Parts of Ephedrae Herba Using Direct Analysis in Real Time-Time of Flight-Mass Spectrometry

Molecules, 2021
Mass spectrometry-based molecular imaging has been utilized to map the spatial distribution of target metabolites in various matrixes. Among the diverse mass spectrometry techniques, matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS)
Nayoung Yun, Hye Jin Kim, Sang Cheol Park, Geonha Park, Min Kyoung Kim, Young Hae Choi, Young Pyo Jang   +6 more
doaj   +1 more source

Atmospheric pressure mass spectrometric imaging of live hippocampal tissue slices with subcellular spatial resolution

Nature Communications, 2017
Ambient mass spectrometry-based approaches have found application in biology and medicine. Here the authors report a mass spectrometric imaging method (ambient nanoPALDI) for live hippocampal tissues, based on gold nanorodassisted femtosecond laser ...
Jae Young Kim, Eun Seok Seo, Hyunmin Kim, Ji-Won Park, Dong-Kwon Lim, Dae Won Moon   +5 more
doaj   +1 more source

Toward Depth-Resolved Analysis of Plant Metabolites by Nanospray Desorption Electrospray Ionization Mass Spectrometry

Molecules, 2022
Nanospray desorption electrospray ionization (nano-DESI) is one of the ambient desorption ionization methods for mass spectrometry (MS), and it utilizes a steady-state liquid junction formed between two microcapillaries to directly extract analytes from ...
Sangwon Cha, Gyouwoong Jun, Yougyeong Park, Sung Jun An, Donghoon Lee   +4 more
doaj   +1 more source

Response in Ambient Low Temperature Plasma Ionization Compared to Electrospray and Atmospheric Pressure Chemical Ionization for Mass Spectrometry

International Journal of Analytical Chemistry, 2018
Modern technical evolution made mass spectrometry (MS) an absolute must for analytical chemistry in terms of application range, detection limits and speed.
Andreas Kiontke, Susan Billig, Claudia Birkemeyer   +2 more
doaj   +1 more source

Assessing the Effectiveness of Chemical Marker Extraction from Amazonian Plant Cupuassu (Theobroma grandiflorum) by PSI-HRMS/MS and LC-HRMS/MS

Metabolites, 2023
Employing a combination of liquid chromatography electrospray ionization and paper spray ionization high-resolution tandem mass spectrometry, extracts from cupuassu (Theobroma grandiflorum) pulp prepared with either water, methanol, acetonitrile or ...
Nerilson M. Lima, Gesiane S. Lima, Gabriel F. dos Santos, Gagan Preet, Lanaia I. L. Maciel, Teresinha de Jesus A. S. Andrade, Marcel Jaspars, Andrea R. Chaves, Boniek G. Vaz   +8 more
doaj   +1 more source

Ambient Sampling/Ionization Mass Spectrometry: Applications and Current Trends

, 2016
Ambient Sampling/Ionization Mass Spectrometry: Applications and Current ...
Asiri S. Galhena (2191978), Glenn A. Harris (2191981), Facundo M. Fernández (1583692)   +2 more
core   +1 more source

Recent Advances in Combinations of TLC With MALDI and Other Desorption/Ionization Mass-Spectrometry Techniques

Frontiers in Chemistry, 2021
The combination of planar chromatography with desorption/ionization mass-spectrometry (MS) techniques provides chemists with unique tools for fast and simple separation of mixtures followed by the detection of analytes by the most powerful analytical ...
Roman Borisov, Roman Borisov, Anastasiia Kanateva, Dmitry Zhilyaev, Dmitry Zhilyaev   +4 more
doaj   +1 more source

Constraining Anthropogenic and Biogenic Emissions using Chemical Ionization Mass Spectrometry [PDF]

, 2011
Numerous gas-phase anthropogenic and biogenic compounds are emitted into the atmosphere. These gases undergo oxidation to form other gas-phase species and particulate matter.
Spencer, Kathleen Marie
core   +1 more source