Results 41 to 50 of about 623,539 (276)

Direct Ambient Analysis of Pharmaceutical and Ecstasy Tablets

CHIMIA, 2006
Desorption electrospray ionization (DESI) is a new ionization technique recently introduced in analytical chemistry for the ambient analysis of surfaces by mass spectrometry.
Luc Alexis Leuthold, Jean-François Mandscheff, Marc Fathi, Christian Giroud, Marc Augsburger, Emmanuel Varesio, Gérard Hopfgartner   +6 more
doaj   +1 more source

Extractive-liquid sampling electron ionization-mass spectrometry (E-LEI-MS): a new powerful combination for direct analysis

Scientific Reports, 2023
One of modern analytical chemistry main challenges is providing as fast as possible results in different application fields. In this view, real-time analysis techniques are experiencing ever-increasing success as they can provide data quickly, almost ...
Adriana Arigò, Giorgio Famiglini, Nicole Marittimo, Marco Agostini, Caterina Renzoni, Pierangela Palma, Achille Cappiello   +6 more
doaj   +1 more source

Ambient Mass Spectrometry and Ambient ionization Mass Spectrometry Imaging in Rapid Food Safety Detection [PDF]

Shipin Kexue
With the growing demand for food safety detection, traditional analytical methods face significant technical challenges, such as lengthy detection cycles and low efficiency, particularly when dealing with complex food matrices and large sample volumes ...
YUAN Yuhang, LIAN Jie, SHAO Zhenchao, ZENG Dawei, WANG Huichao, LI Meng
doaj   +1 more source

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

Applications of Mass Spectrometry in Dentistry

Biomedicines, 2023
Mass Spectrometry (MS) is one of the fastest-developing methods in analytical instrumentation. As a highly sensitive, universal detector, it can identify known and unknown compounds, which can indeed be found in a minimal concentration.
Meletia Kallianta, Eftychia Pappa, Heleni Vastardis, Christos Rahiotis   +3 more
doaj   +1 more source

The Expanding Role of Electrospray Ionization Mass Spectrometry for Probing Reactive Intermediates in Solution

Molecules, 2012
Within the past decade, electrospray ionization mass spectrometry (ESI-MS) has rapidly occupied a prominent position for liquid-phase mechanistic studies due to its intrinsic advantages allowing for efficient “fishing” (rapid, sensitive, specific and ...
Bin Guo, Bo Chen, Ling Tang, Hua Wang, Le Zeng, Peng Zhou, Yu Yuan, Weitao Zhu   +7 more
doaj   +1 more source

Ion mobility spectrometry–mass spectrometry (IMS–MS) for on- and offline analysis of atmospheric gas and aerosol species [PDF]

Atmospheric Measurement Techniques, 2016
Measurement techniques that provide molecular-level information are needed to elucidate the multiphase processes that produce secondary organic aerosol (SOA) species in the atmosphere. Here we demonstrate the application of ion mobility spectrometry-mass
J. E. Krechmer, M. Groessl, X. Zhang, H. Junninen, P. Massoli, A. T. Lambe, J. R. Kimmel, M. J. Cubison, S. Graf, Y.-H. Lin, S. H. Budisulistiorini, H. Zhang, J. D. Surratt, R. Knochenmuss, J. T. Jayne, D. R. Worsnop, J.-L. Jimenez, M. R. Canagaratna   +17 more
doaj   +1 more source

Utilization of ambient ionization mass spectrometry in forensic toxicology analysis [PDF]

, 2021
Ambient ionization mass spectrometry (AIMS) is a technique that allows for the analysis of target analytes in samples at atmospheric pressure with minimal or no sample preparation.
Yu, Zhongshan, Cui, Wanying, Zhang, Yunfeng, Wang, Aihua, Chang, Jing, Zhao, Peng, Wu, Xiaojun, Li, Jiayi   +7 more
core   +1 more source

Measures to reduce fine dust emission from poultry houses: reduction from broiler houses by ionization [PDF]

, 2009
In this study the effect was determined of a commercially available air ionization system on the reduction of airborne dust in a broiler house.
Harn, J., van, Winkel, A., Aarnink, A.J.A., Cambra-López, M., Hannink, N.   +4 more
core  

Methods of calculating ionization energies of multielectron (five or more) isoelectronic atomic ions [PDF]

, 2013
We have previously used simple empirical equations to reproduce the literature values of the ionization energies of isoelectronic sequences of up to four electrons which gave very good agreement.
Lang, Peter F., Smith, Barry, Barry C. Smith, Smith, Barry C., Peter F. Lang   +4 more
core   +1 more source