Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Jyrki Viidanoja"'
Publikováno v:
Journal of the American Society for Mass Spectrometry. 31(1)
Different collision-activated dissociation (CAD) methods were evaluated for their effectiveness at distinguishing several ionized isomeric aromatic compounds by using a linear quadrupole ion trap/orbitrap mass spectrometer. The compounds were ionized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49e86cb3036d3aac3d90e8e579865e1d
https://pubmed.ncbi.nlm.nih.gov/32881507
https://pubmed.ncbi.nlm.nih.gov/32881507
Autor:
Jyrki Viidanoja
Publikováno v:
Journal of Chromatography A. 1480:106-111
A new liquid chromatography-electrospray ionization-tandem Mass Spectrometry (LC-ESI-MS/MS) method was developed for the determination of more than 20 C1-C6 alkyl and alkanolamines in aqueous matrices. The method employs Hydrophilic Interaction Liqui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f6121b9a8519212f29b2f832117b424
https://doi.org/10.1016/j.chroma.2016.12.037
https://doi.org/10.1016/j.chroma.2016.12.037
Publikováno v:
Journal of the American Society for Mass Spectrometry. 30(10)
Since its invention in the 1950s, field ionization mass spectrometry (FI MS) has been, and currently is, the go-to technique employed by the petrochemical industry for the identification of the different types of nonvolatile compounds in their produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d49a46bbaa8debaee59159681038003
https://pubmed.ncbi.nlm.nih.gov/31392701
https://pubmed.ncbi.nlm.nih.gov/31392701
Autor:
Hilkka I. Kenttämaa, Mingzhe Li, Jeremy M. Manheim, Eric T. Dziekonski, Yuyang Zhang, Jyrki Viidanoja, Elias Ikonen, Chunfen Jin, Andrew Root, Mark Romanczyk
Publikováno v:
Analytical Chemistry. 88:10592-10598
Direct infusion atmospheric pressure chemical ionization mass spectrometry (APCI-MS) was compared to field ionization mass spectrometry (FI-MS) for the determination of hydrocarbon class distributions in lubricant base oils. When positive ion mode AP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c75c8601bcd3fc76b66611565cb0ec58
https://doi.org/10.1021/acs.analchem.6b02789
https://doi.org/10.1021/acs.analchem.6b02789
Autor:
Jyrki Viidanoja
Publikováno v:
Journal of Chromatography A. 1383:96-103
A new method for quantification of short chain C 1 –C 6 carboxylic acids in vegetable oils and fats by employing Liquid Chromatography Mass Spectrometry (LC–MS) has been developed. The method requires minor sample preparation and applies non-conv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24e825a35e713d65f4923d87196e7191
https://doi.org/10.1016/j.chroma.2015.01.032
https://doi.org/10.1016/j.chroma.2015.01.032
Autor:
Jyrki Viidanoja, Chunfen Jin
Publikováno v:
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.
Existing liquid chromatography – mass spectrometry method for the analysis of short chain carboxylic acids was expanded and validated to cover also the measurement of glycerol from oils and fats. The method employs chloride anion attachment and two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::962219bf80074dd87c4098861ca6de31
https://pubmed.ncbi.nlm.nih.gov/28013180
https://pubmed.ncbi.nlm.nih.gov/28013180
Autor:
Jyrki Viidanoja, C. S. Pedersen, Jaakko Laakia, Alexey Adamov, Tapio Kotiaho, Alexey A. Sysoev
Publikováno v:
Rapid Communications in Mass Spectrometry. 23:3069-3076
Negative corona discharge atmospheric pressure chemical ionization (APCI) was used to investigate phenols with varying numbers of tert-butyl groups using ion mobility spectrometry–mass spectrometry (IMS-MS). The main characteristic ion observed for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fbd4b6584ab1d6d87c40caefae82ae5
https://doi.org/10.1002/rcm.4223
https://doi.org/10.1002/rcm.4223
Autor:
Jyrki Viidanoja
Publikováno v:
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences. 1001
A new, sensitive and selective liquid chromatography-electrospray ionization-tandem mass spectrometric (LC-ESI-MS/MS) method was developed for the analysis of Phospholipids (PLs) in bio-oils and fats. This analysis employs hydrophilic interaction liq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88ce17b980f9d584c4b4dec7d7f4f56a
https://pubmed.ncbi.nlm.nih.gov/26279006
https://pubmed.ncbi.nlm.nih.gov/26279006
Autor:
Armin Wisthaler, Jyrki Viidanoja, Jens Hjorth, N. R. Jensen, Oyvind Andreasen, Stenstroem Yngve, Armin Hansel, Claus J. Nielsen, Barbara D'Anna
Publikováno v:
The Journal of Physical Chemistry A. 109:5104-5118
The rate coefficients for the gas phase reaction of NO3 and OH radicals with a series of cycloalkanecarbaldehydes have been measured in purified air at 298 +/- 2 K and 760 +/- 10 Torr by the relative rate method using a static reactor equipped with l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59c1b7ee720336d17fef8255c7b9cfef
https://doi.org/10.1021/jp044495g
https://doi.org/10.1021/jp044495g
Autor:
Risto Kostiainen, Alexey Adamov, Alexey A. Sysoev, Raimo A. Ketola, Tapio Kotiaho, Jyrki Viidanoja
Publikováno v:
Rapid Communications in Mass Spectrometry. 18:3131-3139
An ion mobility spectrometer that can easily be installed as an intermediate component between a commercial triple-quadrupole mass spectrometer and its original atmospheric pressure ionization (API) sources was developed. The curtain gas from the mas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39c3d93d1d211a097d86db5890c6c327
https://doi.org/10.1002/rcm.1738
https://doi.org/10.1002/rcm.1738