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Items: 1 to 50 of 191

1.

TiO2 Photocatalyzed Oxidation of Drugs Studied by Laser Ablation Electrospray Ionization Mass Spectrometry.

van Geenen FAMG, Franssen MCR, Miikkulainen V, Ritala M, Zuilhof H, Kostiainen R, Nielen MWF.

J Am Soc Mass Spectrom. 2019 Jan 7. doi: 10.1007/s13361-018-2120-x. [Epub ahead of print]

PMID:
30617860
2.

Molecular Atlas of Postnatal Mouse Heart Development.

Talman V, Teppo J, Pöhö P, Movahedi P, Vaikkinen A, Karhu ST, Trošt K, Suvitaival T, Heikkonen J, Pahikkala T, Kotiaho T, Kostiainen R, Varjosalo M, Ruskoaho H.

J Am Heart Assoc. 2018 Oct 16;7(20):e010378. doi: 10.1161/JAHA.118.010378.

3.

Impact of Pore Size and Surface Chemistry of Porous Silicon Particles and Structure of Phospholipids on Their Interactions.

Liu D, Lipponen K, Quan P, Wan X, Zhang H, Mäkilä E, Salonen J, Kostiainen R, Hirvonen J, Kotiaho T, Santos HA.

ACS Biomater Sci Eng. 2018 Jul 9;4(7):2308-2313. doi: 10.1021/acsbiomaterials.8b00343. Epub 2018 Jun 14.

4.

TiO2 Photocatalysis-DESI-MS Rotating Array Platform for High-Throughput Investigation of Oxidation Reactions.

Ruokolainen M, Miikkulainen V, Ritala M, Sikanen T, Kotiaho T, Kostiainen R.

Anal Chem. 2017 Nov 7;89(21):11214-11218. doi: 10.1021/acs.analchem.7b01638. Epub 2017 Oct 13.

PMID:
28972369
5.

Thiol-ene micropillar array electrospray ionization platform for zeptomole level bioanalysis.

Lipponen K, Tähkä S, Sikanen T, Jokinen V, Tatikonda A, Franssila S, Kostiainen R, Kotiaho T.

Analyst. 2017 Jul 10;142(14):2552-2557. doi: 10.1039/c7an00544j.

PMID:
28617495
6.

Thin-Layer Chromatography/Desorption Atmospheric Pressure Photoionization Orbitrap Mass Spectrometry of Lipids.

Rejšek J, Vrkoslav V, Vaikkinen A, Haapala M, Kauppila TJ, Kostiainen R, Cvačka J.

Anal Chem. 2016 Dec 20;88(24):12279-12286. doi: 10.1021/acs.analchem.6b03465. Epub 2016 Dec 2.

PMID:
28193018
7.

Feasibility of ultra-performance liquid chromatography-ion mobility-time-of-flight mass spectrometry in analyzing oxysterols.

Kylli P, Hankemeier T, Kostiainen R.

J Chromatogr A. 2017 Mar 3;1487:147-152. doi: 10.1016/j.chroma.2017.01.039. Epub 2017 Jan 18.

PMID:
28118975
8.

Oxidation of Tyrosine-Phosphopeptides by Titanium Dioxide Photocatalysis.

Ruokolainen M, Ollikainen E, Sikanen T, Kotiaho T, Kostiainen R.

J Am Chem Soc. 2016 Jun 22;138(24):7452-5. doi: 10.1021/jacs.6b02472. Epub 2016 Jun 14.

9.

Corrigendum to "Analysis of anabolic steroids in urine by gas chromatography-microchip atmospheric pressure photoionization-mass spectrometry with chlorobenzene as dopant" [J. Chromatogr. A 1312 (2013) 111-117].

Hintikka L, Haapala M, Kuuranne T, Leinonen A, Kostiainen R.

J Chromatogr A. 2016 May 27;1448:128. doi: 10.1016/j.chroma.2016.04.059. Epub 2016 Apr 28. No abstract available.

PMID:
27133863
10.

Charge Exchange Reaction in Dopant-Assisted Atmospheric Pressure Chemical Ionization and Atmospheric Pressure Photoionization.

Vaikkinen A, Kauppila TJ, Kostiainen R.

J Am Soc Mass Spectrom. 2016 Aug;27(8):1291-300. doi: 10.1007/s13361-016-1399-8. Epub 2016 Apr 28.

PMID:
27126470
11.

Rapid separation of phosphopeptides by microchip electrophoresis-electrospray ionization mass spectrometry.

Ollikainen E, Bonabi A, Nordman N, Jokinen V, Kotiaho T, Kostiainen R, Sikanen T.

J Chromatogr A. 2016 Apr 1;1440:249-254. doi: 10.1016/j.chroma.2016.02.063. Epub 2016 Feb 26.

PMID:
26931427
12.

Comparison of TiO2 photocatalysis, electrochemically assisted Fenton reaction and direct electrochemistry for simulation of phase I metabolism reactions of drugs.

Ruokolainen M, Gul T, Permentier H, Sikanen T, Kostiainen R, Kotiaho T.

Eur J Pharm Sci. 2016 Feb 15;83:36-44. doi: 10.1016/j.ejps.2015.12.012. Epub 2015 Dec 10.

PMID:
26690045
13.

BluB/CobT2 fusion enzyme activity reveals mechanisms responsible for production of active form of vitamin B₁₂ by Propionibacterium freudenreichii.

Deptula P, Kylli P, Chamlagain B, Holm L, Kostiainen R, Piironen V, Savijoki K, Varmanen P.

Microb Cell Fact. 2015 Nov 23;14:186. doi: 10.1186/s12934-015-0363-9.

14.

Desorption atmospheric pressure photoionization high-resolution mass spectrometry: a complementary approach for the chemical analysis of atmospheric aerosols.

Parshintsev J, Vaikkinen A, Lipponen K, Vrkoslav V, Cvačka J, Kostiainen R, Kotiaho T, Hartonen K, Riekkola ML, Kauppila TJ.

Rapid Commun Mass Spectrom. 2015 Jul 15;29(13):1233-41. doi: 10.1002/rcm.7219.

PMID:
26395607
15.

Analysis of neonicotinoids from plant material by desorption atmospheric pressure photoionization-mass spectrometry.

Vaikkinen A, Schmidt HS, Kiiski I, Rämö S, Hakala K, Haapala M, Kostiainen R, Kauppila TJ.

Rapid Commun Mass Spectrom. 2015 Mar 15;29(5):424-30. doi: 10.1002/rcm.7123.

PMID:
26349464
16.

The detection and mapping of the spatial distribution of insect defense compounds by desorption atmospheric pressure photoionization Orbitrap mass spectrometry.

Rejšek J, Vrkoslav V, Hanus R, Vaikkinen A, Haapala M, Kauppila TJ, Kostiainen R, Cvačka J.

Anal Chim Acta. 2015 Jul 30;886:91-7. doi: 10.1016/j.aca.2015.06.007. Epub 2015 Jul 6.

PMID:
26320640
17.

Transmission mode desorption atmospheric pressure photoionization.

Vaikkinen A, Hannula J, Kiiski I, Kostiainen R, Kauppila TJ.

Rapid Commun Mass Spectrom. 2015 Apr 15;29(7):585-92. doi: 10.1002/rcm.7139.

PMID:
26212275
18.

Permeation of Dopamine Sulfate through the Blood-Brain Barrier.

Suominen T, Piepponen TP, Kostiainen R.

PLoS One. 2015 Jul 24;10(7):e0133904. doi: 10.1371/journal.pone.0133904. eCollection 2015.

19.

Feasibility of desorption atmospheric pressure photoionization and desorption electrospray ionization mass spectrometry to monitor urinary steroid metabolites during pregnancy.

Vaikkinen A, Rejšek J, Vrkoslav V, Kauppila TJ, Cvačka J, Kostiainen R.

Anal Chim Acta. 2015 Jun 23;880:84-92. doi: 10.1016/j.aca.2015.03.029. Epub 2015 Mar 24.

PMID:
26092341
20.

Interfacing microchip isoelectric focusing with on-chip electrospray ionization mass spectrometry.

Nordman N, Laurén S, Kotiaho T, Franssila S, Kostiainen R, Sikanen T.

J Chromatogr A. 2015 Jun 12;1398:121-6. doi: 10.1016/j.chroma.2015.04.031. Epub 2015 Apr 23.

PMID:
25952666
21.

Solvent jet desorption capillary photoionization-mass spectrometry.

Haapala M, Teppo J, Ollikainen E, Kiiski I, Vaikkinen A, Kauppila TJ, Kostiainen R.

Anal Chem. 2015 Mar 17;87(6):3280-5. doi: 10.1021/ac504220v. Epub 2015 Mar 5.

PMID:
25715054
22.

Separation of nucleobases, nucleosides, and nucleotides using two zwitterionic silica-based monolithic capillary columns coupled with tandem mass spectrometry.

Moravcová D, Haapala M, Planeta J, Hyötyläinen T, Kostiainen R, Wiedmer SK.

J Chromatogr A. 2014 Dec 19;1373:90-6. doi: 10.1016/j.chroma.2014.11.015. Epub 2014 Nov 14.

PMID:
25465366
23.

Laser ablation atmospheric pressure photoionization mass spectrometry imaging of phytochemicals from sage leaves.

Vaikkinen A, Shrestha B, Koivisto J, Kostiainen R, Vertes A, Kauppila TJ.

Rapid Commun Mass Spectrom. 2014 Dec 15;28(23):2490-6. doi: 10.1002/rcm.7043.

PMID:
25366396
24.

Imitation of phase I oxidative metabolism of anabolic steroids by titanium dioxide photocatalysis.

Ruokolainen M, Valkonen M, Sikanen T, Kotiaho T, Kostiainen R.

Eur J Pharm Sci. 2014 Dec 18;65:45-55. doi: 10.1016/j.ejps.2014.08.009. Epub 2014 Sep 9.

PMID:
25220585
25.

Analysis of oxysterols and vitamin D metabolites in mouse brain and cell line samples by ultra-high-performance liquid chromatography-atmospheric pressure photoionization-mass spectrometry.

Ahonen L, Maire FB, Savolainen M, Kopra J, Vreeken RJ, Hankemeier T, Myöhänen T, Kylli P, Kostiainen R.

J Chromatogr A. 2014 Oct 17;1364:214-22. doi: 10.1016/j.chroma.2014.08.088. Epub 2014 Sep 2.

PMID:
25204266
26.

Shape-anchored porous polymer monoliths for integrated online solid-phase extraction-microchip electrophoresis-electrospray ionization mass spectrometry.

Nordman N, Barrios-Lopez B, Laurén S, Suvanto P, Kotiaho T, Franssila S, Kostiainen R, Sikanen T.

Electrophoresis. 2015 Feb;36(3):428-32. doi: 10.1002/elps.201400278. Epub 2014 Aug 14.

PMID:
25043750
27.

Are clusters important in understanding the mechanisms in atmospheric pressure ionization? Part 1: Reagent ion generation and chemical control of ion populations.

Klee S, Derpmann V, Wißdorf W, Klopotowski S, Kersten H, Brockmann KJ, Benter T, Albrecht S, Bruins AP, Dousty F, Kauppila TJ, Kostiainen R, O'Brien R, Robb DB, Syage JA.

J Am Soc Mass Spectrom. 2014 Aug;25(8):1310-21. doi: 10.1007/s13361-014-0891-2. Epub 2014 May 22. Review.

PMID:
24850441
28.

Steroid and steroid glucuronide profiles in urine during pregnancy determined by liquid chromatography-electrospray ionization-tandem mass spectrometry.

Jäntti SE, Hartonen M, Hilvo M, Nygren H, Hyötyläinen T, Ketola RA, Kostiainen R.

Anal Chim Acta. 2013 Nov 13;802:56-66. doi: 10.1016/j.aca.2013.09.034. Epub 2013 Sep 30.

PMID:
24176505
29.

Analysis of anabolic steroids in urine by gas chromatography-microchip atmospheric pressure photoionization-mass spectrometry with chlorobenzene as dopant.

Hintikka L, Haapala M, Kuuranne T, Leinonen A, Kostiainen R.

J Chromatogr A. 2013 Oct 18;1312:111-7. doi: 10.1016/j.chroma.2013.08.098. Epub 2013 Sep 5.

PMID:
24041507
30.

Separation of steroid isomers by ion mobility mass spectrometry.

Ahonen L, Fasciotti M, Gennäs GB, Kotiaho T, Daroda RJ, Eberlin M, Kostiainen R.

J Chromatogr A. 2013 Oct 4;1310:133-7. doi: 10.1016/j.chroma.2013.08.056. Epub 2013 Aug 20.

PMID:
23992881
31.

Neurosteroid analysis by gas chromatography-atmospheric pressure photoionization-tandem mass spectrometry.

Suominen T, Haapala M, Takala A, Ketola RA, Kostiainen R.

Anal Chim Acta. 2013 Sep 10;794:76-81. doi: 10.1016/j.aca.2013.07.055. Epub 2013 Jul 31.

PMID:
23972978
32.

Determination of Serotonin and Dopamine Metabolites in Human Brain Microdialysis and Cerebrospinal Fluid Samples by UPLC-MS/MS: Discovery of Intact Glucuronide and Sulfate Conjugates.

Suominen T, Uutela P, Ketola RA, Bergquist J, Hillered L, Finel M, Zhang H, Laakso A, Kostiainen R.

PLoS One. 2013 Jun 27;8(6):e68007. doi: 10.1371/journal.pone.0068007. Print 2013.

33.

Capillary photoionization: a high sensitivity ionization method for mass spectrometry.

Haapala M, Suominen T, Kostiainen R.

Anal Chem. 2013 Jun 18;85(12):5715-9. doi: 10.1021/ac4002673. Epub 2013 May 28.

PMID:
23713722
34.

Simultaneous detection of nonpolar and polar compounds by heat-assisted laser ablation electrospray ionization mass spectrometry.

Vaikkinen A, Shrestha B, Nazarian J, Kostiainen R, Vertes A, Kauppila TJ.

Anal Chem. 2013 Jan 2;85(1):177-84. doi: 10.1021/ac302432h. Epub 2012 Dec 17.

PMID:
23199051
35.

Integration of fully microfabricated, three-dimensionally sharp electrospray ionization tips with microfluidic glass chips.

Sainiemi L, Sikanen T, Kostiainen R.

Anal Chem. 2012 Nov 6;84(21):8973-9. doi: 10.1021/ac301602b. Epub 2012 Oct 22.

PMID:
23045954
36.

Multiphase designer droplets for liquid-liquid extraction.

Jokinen V, Kostiainen R, Sikanen T.

Adv Mater. 2012 Dec 4;24(46):6240-3. doi: 10.1002/adma.201202715. Epub 2012 Sep 7.

PMID:
22961951
37.

Analysis of lipids with desorption atmospheric pressure photoionization-mass spectrometry (DAPPI-MS) and desorption electrospray ionization-mass spectrometry (DESI-MS).

Suni NM, Aalto H, Kauppila TJ, Kotiaho T, Kostiainen R.

J Mass Spectrom. 2012 May;47(5):611-9. doi: 10.1002/jms.2992.

PMID:
22576874
38.

Infrared laser ablation atmospheric pressure photoionization mass spectrometry.

Vaikkinen A, Shrestha B, Kauppila TJ, Vertes A, Kostiainen R.

Anal Chem. 2012 Feb 7;84(3):1630-6. doi: 10.1021/ac202905y. Epub 2012 Jan 19.

PMID:
22242626
39.

Comparison of direct and alternating current vacuum ultraviolet lamps in atmospheric pressure photoionization.

Vaikkinen A, Haapala M, Kersten H, Benter T, Kostiainen R, Kauppila TJ.

Anal Chem. 2012 Feb 7;84(3):1408-15. doi: 10.1021/ac2024574. Epub 2012 Jan 23.

PMID:
22229729
40.

Microchip capillary electrophoresis-electrospray ionization-mass spectrometry of intact proteins using uncoated Ormocomp microchips.

Sikanen T, Aura S, Franssila S, Kotiaho T, Kostiainen R.

Anal Chim Acta. 2012 Jan 20;711:69-76. doi: 10.1016/j.aca.2011.10.059. Epub 2011 Nov 9.

PMID:
22152798
41.

A microfabricated micropillar liquid chromatographic chip monolithically integrated with an electrospray ionization tip.

Sainiemi L, Nissilä T, Kostiainen R, Franssila S, Ketola RA.

Lab Chip. 2012 Jan 21;12(2):325-32. doi: 10.1039/c1lc20874h. Epub 2011 Nov 28.

PMID:
22120065
42.

A microfabricated silicon platform with 60 microfluidic chips for rapid mass spectrometric analysis.

Sainiemi L, Nissilä T, Kostiainen R, Ketola RA, Franssila S.

Lab Chip. 2011 Sep 7;11(17):3011-4. doi: 10.1039/c1lc20275h. Epub 2011 Jul 18.

PMID:
21769340
43.

Matrix effect in the analysis of drugs of abuse from urine with desorption atmospheric pressure photoionization-mass spectrometry (DAPPI-MS) and desorption electrospray ionization-mass spectrometry (DESI-MS).

Suni NM, Lindfors P, Laine O, Ostman P, Ojanperä I, Kotiaho T, Kauppila TJ, Kostiainen R.

Anal Chim Acta. 2011 Aug 5;699(1):73-80. doi: 10.1016/j.aca.2011.05.004. Epub 2011 May 12.

PMID:
21704760
44.

Feasibility of capillary liquid chromatography-microchip-atmospheric pressure photoionization-mass spectrometry for pesticide analysis in tomato.

Kruve A, Haapala M, Saarela V, Franssila S, Kostiainen R, Kotiaho T, Ketola RA.

Anal Chim Acta. 2011 Jun 24;696(1-2):77-83. doi: 10.1016/j.aca.2011.04.006. Epub 2011 Apr 16.

PMID:
21621035
45.

Spatial distribution of glycerophospholipids in the ocular lens.

Pól J, Vidová V, Hyötyläinen T, Volný M, Novák P, Strohalm M, Kostiainen R, Havlíček V, Wiedmer SK, Holopainen JM.

PLoS One. 2011 Apr 29;6(4):e19441. doi: 10.1371/journal.pone.0019441.

46.

Desorption atmospheric pressure photoionization-mass spectrometry in routine analysis of confiscated drugs.

Kauppila TJ, Flink A, Haapala M, Laakkonen UM, Aalberg L, Ketola RA, Kostiainen R.

Forensic Sci Int. 2011 Jul 15;210(1-3):206-12. doi: 10.1016/j.forsciint.2011.03.018. Epub 2011 Apr 6.

PMID:
21474259
47.

Integrated photocatalytic micropillar nanoreactor electrospray ionization chip for mimicking phase I metabolic reactions.

Nissilä T, Sainiemi L, Karikko MM, Kemell M, Ritala M, Franssila S, Kostiainen R, Ketola RA.

Lab Chip. 2011 Apr 21;11(8):1470-6. doi: 10.1039/c0lc00689k. Epub 2011 Mar 10.

PMID:
21394381
48.

Rapid and sensitive drug metabolism studies by SU-8 microchip capillary electrophoresis-electrospray ionization mass spectrometry.

Nordman N, Sikanen T, Moilanen ME, Aura S, Kotiaho T, Franssila S, Kostiainen R.

J Chromatogr A. 2011 Feb 4;1218(5):739-45. doi: 10.1016/j.chroma.2010.12.010. Epub 2010 Dec 13.

PMID:
21185563
49.

Feasibility of gas chromatography-microchip atmospheric pressure photoionization-mass spectrometry in analysis of anabolic steroids.

Hintikka L, Haapala M, Franssila S, Kuuranne T, Leinonen A, Kostiainen R.

J Chromatogr A. 2010 Dec 24;1217(52):8290-7. doi: 10.1016/j.chroma.2010.10.074. Epub 2010 Oct 23.

PMID:
21081231
50.

Feasibility of SU-8-based capillary electrophoresis-electrospray ionization mass spectrometry microfluidic chips for the analysis of human cell lysates.

Nordman N, Sikanen T, Aura S, Tuomikoski S, Vuorensola K, Kotiaho T, Franssila S, Kostiainen R.

Electrophoresis. 2010 Nov;31(22):3745-53. doi: 10.1002/elps.201000373.

PMID:
21077242

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