Works by Ketola, Raimo

Results: 36

Fabrication of enclosed SU-8 tips for electrospray ionization-mass spectrometry.

Published in:

Electrophoresis, 2005, v. 26, n. 24, p. 4691, doi. 10.1002/elps.200500475

By:

Santeri Tuomikoski;
Tiina Sikanen;
Raimo A. Ketola;
Risto Kostiainen;
Tapio Kotiaho;
Sami Franssila

Publication type:

Article

Optimization of capillary electrophoretic- electrospray ionization-mass spectrometric analysis of catecholamines.

Published in:

Electrophoresis, 2001, v. 22, n. 20, p. 4347, doi. 10.1002/1522-2683(200112)22:20<4347::AID-ELPS4347>3.0.CO;2-J

By:

Vuorensola, Katariina;
Kokkonen, Juha;
Sirén, Heli;
Ketola, Raimo A.

Publication type:

Article

Compensation of Matrix Effects in a Standard Addition Method for Metformin in Postmortem Blood Using Liquid Chromatography-Electrospray-Tandem Mass Spectrometry.

Published in:

Journal of Analytical Toxicology, 2015, v. 39, n. 5, p. 359, doi. 10.1093/jat/bkv020

By:

Gergov, Merja;
Nenonen, Timo;
Ojanperä, Ilkka;
Ketola, Raimo A.

Publication type:

Article

Drug concentrations in post‐mortem specimens.

Published in:

Drug Testing & Analysis, 2019, v. 11, n. 9, p. 1338, doi. 10.1002/dta.2662

By:

Ketola, Raimo A.;
Kriikku, Pirkko

Publication type:

Article

Summary statistics for drug concentrations in post‐mortem femoral blood representing all causes of death.

Published in:

Drug Testing & Analysis, 2019, v. 11, n. 9, p. 1326, doi. 10.1002/dta.2655

By:

Ketola, Raimo A.;
Ojanperä, Ilkka

Publication type:

Article

Targeting misuse of 2-amino- N-ethyl-1-phenylbutane in urine samples: in vitro-in vivo correlation of metabolic profiles and development of LC-TOF-MS method.

Published in:

Drug Testing & Analysis, 2015, v. 7, n. 2, p. 89, doi. 10.1002/dta.1642

By:

Kobayashi, Masaki;
Pelander, Anna;
Ketola, Raimo A.;
Leinonen, Antti;
Kuuranne, Tiia

Publication type:

Article

Direct analysis of cannabis samples by desorption atmospheric pressure photoionization-mass spectrometry.

Published in:

Drug Testing & Analysis, 2013, v. 5, n. 3, p. 186, doi. 10.1002/dta.1412

By:

Kauppila, Tiina J.;
Flink, Anu;
Laakkonen, Ulla‐Maija;
Aalberg, Laura;
Ketola, Raimo A.

Publication type:

Article

Application of electrospray ionization product ion spectra for identification with atmospheric pressure matrix-assisted laser desorption/ionization mass spectrometry - a case study with seized drugs.

Published in:

Drug Testing & Analysis, 2013, v. 5, n. 2, p. 68, doi. 10.1002/dta.1419

By:

Östman, Pekka;
Ketola, Raimo A.;
Ojanperä, Ilkka

Publication type:

Article

Development of a GC-APCI-QTOFMS library for new psychoactive substances and comparison to a commercial ESI library.

Published in:

Analytical & Bioanalytical Chemistry, 2017, v. 409, n. 8, p. 2007, doi. 10.1007/s00216-016-0148-y

By:

Mesihää, Samuel;
Ketola, Raimo;
Pelander, Anna;
Rasanen, Ilpo;
Ojanperä, Ilkka

Publication type:

Article

Simultaneous identification and quantification of new psychoactive substances in blood by GC-APCI-QTOFMS coupled to nitrogen chemiluminescence detection without authentic reference standards.

Published in:

Analytical & Bioanalytical Chemistry, 2016, v. 408, n. 13, p. 3395, doi. 10.1007/s00216-016-9461-8

By:

Ojanperä, Ilkka;
Mesihää, Samuel;
Rasanen, Ilpo;
Pelander, Anna;
Ketola, Raimo

Publication type:

Article

In silico and in vitro metabolism studies support identification of designer drugs in human urine by liquid chromatography/quadrupole-time-of-flight mass spectrometry.

Published in:

Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 21, p. 6697, doi. 10.1007/s00216-013-7137-1

By:

Tyrkkö, Elli;
Pelander, Anna;
Ketola, Raimo;
Ojanperä, Ilkka

Publication type:

Article

Identification of in vitro metabolites of the novel anti-tumor thiosemicarbazone, DpC, using ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry.

Published in:

Analytical & Bioanalytical Chemistry, 2013, v. 405, n. 5, p. 1651, doi. 10.1007/s00216-012-6562-x

By:

Stariat, Ján;
Kovaříková, Petra;
Kučera, Radim;
Klimeš, Jiří;
Kalinowski, Danuta;
Richardson, Des;
Ketola, Raimo

Publication type:

Article

Feasibility of using atmospheric pressure matrix-assisted laser desorption/ionization with ion trap mass spectrometry in the analysis of acetylated xylooligosaccharides derived from hardwoods and Arabidopsis thaliana.

Published in:

Analytical & Bioanalytical Chemistry, 2012, v. 401, n. 9, p. 2995, doi. 10.1007/s00216-011-5370-z

By:

Chong, Sun-Li;
Nissilä, Teemu;
Ketola, Raimo;
Koutaniemi, Sanna;
Derba-Maceluch, Marta;
Mellerowicz, Ewa;
Tenkanen, Maija;
Tuomainen, Päivi

Publication type:

Article

Characterization of metabolites of sibutramine in primary cultures of rat hepatocytes by liquid chromatography–ion trap mass spectrometry.

Published in:

Analytical & Bioanalytical Chemistry, 2009, v. 393, n. 4, p. 1327, doi. 10.1007/s00216-008-2540-8

By:

Hakala, Kati S.;
Link, Marek;
Szotakova, Barbora;
Skalova, Lenka;
Kostiainen, Risto;
Ketola, Raimo A.

Publication type:

Article

LC–MS–MS identification of albendazole and flubendazole metabolites formed ex vivo by Haemonchus contortus.

Published in:

Analytical & Bioanalytical Chemistry, 2008, v. 391, n. 1, p. 337, doi. 10.1007/s00216-008-1863-9

By:

Cvilink, Viktor;
Skálová, Lenka;
Szotáková, Barbora;
Lamka, Jiří;
Kostiainen, Risto;
Ketola, Raimo A.

Publication type:

Article

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.

Published in:

PLoS ONE, 2013, v. 8, n. 6, p. 1, doi. 10.1371/journal.pone.0068007

By:

Suominen, Tina;
Uutela, Päivi;
Ketola, Raimo A.;
Bergquist, Jonas;
Hillered, Lars;
Finel, Moshe;
Zhang, Hongbo;
Laakso, Aki;
Kostiainen, Risto

Publication type:

Article

Pre-Targeting and Direct Immunotargeting of Liposomal Drug Carriers to Ovarian Carcinoma.

Published in:

PLoS ONE, 2012, v. 7, n. 7, p. 1, doi. 10.1371/journal.pone.0041410

By:

Lehtinen, Julia;
Raki, Mari;
Bergström, Kim A.;
Uutela, Päivi;
Lehtinen, Katariina;
Hiltunen, Annukka;
Pikkarainen, Jere;
Liang, Huamin;
Pitkänen, Sari;
Määttä, Ann-Marie;
Ketola, Raimo A.;
Yliperttula, Marjo;
Wirth, Thomas;
Urtti, Arto

Publication type:

Article

Analysis of residual solvents in pharmaceuticals with purge-and-membrane mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2000, v. 14, n. 11, p. 994, doi. 10.1002/(SICI)1097-0231(20000615)14:11<994::AID-RCM977>3.0.CO;2-6

By:

Ojala, Marja;
Poutanen, Marjo;
Mattila, Ismo;
Ketola, Raimo A.;
Kotiaho, Tapio;
Kostiainen, Risto

Publication type:

Article

Detection of dicarboxylic acids in aqueous samples using membrane inlet mass spectrometry with desorption chemical ionization.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 1999, v. 13, n. 8, p. 749, doi. 10.1002/(SICI)1097-0231(19990430)13:8<749::AID-RCM553>3.0.CO;2-B

By:

Ketola, Raimo A.;
Lauritsen, Frants R.

Publication type:

Article

A non-linear asymmetric error function-based least mean square approach for the analysis of multicomponent mass spectra measured by membrane inlet mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 1999, v. 13, n. 8, p. 654, doi. 10.1002/(SICI)1097-0231(19990430)13:8<654::AID-RCM537>3.0.CO;2-I

By:

Ketola, Raimo A.;
Ojala, Marja;
Komppa, Veikko;
Kotiaho, Tapio;
Juujärvi, Jouni;
Heikkonen, Jukka

Publication type:

Article

Classification of cola beverages on the basis of mass spectra measured by membrane inlet mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 1998, v. 12, n. 15, p. 1011, doi. 10.1002/(SICI)1097-0231(19980815)12:15<1011::AID-RCM268>3.0.CO;2-X

By:

Ketola, Raimo A.;
Heikkonen, Jukka;
Piepponen, Sulo;
Lauritsen, Frants R.;
Kotiaho, Tapio

Publication type:

Article

Temperature-programmed desorption for membrane inlet mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 1998, v. 12, n. 12, p. 773, doi. 10.1002/(SICI)1097-0231(19980630)12:12<773::AID-RCM231>3.0.CO;2-D

By:

Ketola, Raimo A.;
Grøn, Christian;
Lauritsen, Frants R.

Publication type:

Article

Isotopomer distribution computation from tandem mass spectrometric data with overlapping fragment spectra.

Published in:

Spectroscopy: An International Journal, 2005, v. 19, n. 1, p. 53, doi. 10.1155/2005/575686

By:

Rousu, Juho;
Rantanen, Ari;
Ketola, Raimo A.;
Kokkonen, Juha T.

Publication type:

Article

Microchip technology in mass spectrometry.

Published in:

Mass Spectrometry Reviews, 2010, v. 29, n. 3, p. 351, doi. 10.1002/mas.20238

By:

Sikanen, Tiina;
Franssila, Sami;
Kauppila, Tiina J.;
Kostiainen, Risto;
Kotiaho, Tapio;
Ketola, Raimo A.

Publication type:

Article

Analytical characterization of microfabricated SU-8 emitters for electrospray ionization mass spectrometry.

Published in:

Journal of Mass Spectrometry, 2008, v. 43, n. 6, p. 726, doi. 10.1002/jms.1368

By:

Sikanen, Tiina;
Tuomikoski, Santeri;
Ketola, Raimo A.;
Kostiainen, Risto;
Franssila, Sami;
Kotiaho, Tapio

Publication type:

Article

Metabolite profile of sibutramine in human urine: a liquid chromatography-electrospray ionization mass spectrometric study.

Published in:

Journal of Mass Spectrometry, 2006, v. 41, n. 9, p. 1171, doi. 10.1002/jms.1082

By:

Link, Marek;
Hakala, Kati S.;
Wsól, Vladimír;
Kostiainen, Risto;
Ketola, Raimo A.

Publication type:

Article

Analysis of amphetamines and fentanyls by atmospheric pressure desorption/ionization on silicon mass spectrometry and matrix-assisted laser desorption/ionization mass spectrometry and its application to forensic analysis of drug seizures.

Published in:

Journal of Mass Spectrometry, 2005, v. 40, n. 4, p. 539, doi. 10.1002/jms.831

By:

Pihlainen, Katja;
Grigoras, Kestutis;
Franssila, Sami;
Ketola, Raimo;
Kotiaho, Tapio;
Kostiainen, Risto

Publication type:

Article

Environmental applications of membrane introduction mass spectrometry.

Published in:

Journal of Mass Spectrometry, 2002, v. 37, n. 5, p. 457, doi. 10.1002/jms.327

By:

Ketola, Raimo A.;
Kotiaho, Tapio;
Cisper, Mary E.;
Allen, Todd M.

Publication type:

Article

Rapid screening of drug compounds in urine using a combination of microextraction by packed sorbent and rotating micropillar array electrospray ionization mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2012, v. 26, n. 3, p. 297, doi. 10.1002/rcm.5304

By:

Nielsen, Katrine;
Lauritsen, Frants R.;
Nissilä, Teemu;
Ketola, Raimo A.

Publication type:

Article

FiD: a software for ab initio structural identification of product ions from tandem mass spectrometric data.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2008, v. 22, n. 19, p. 3043, doi. 10.1002/rcm.3701

By:

Heinonen, Markus;
Rantanen, Ari;
Mielikäinen, Taneli;
Kokkonen, Juha;
Kiuru, Jari;
Ketola, Raimo A.;
Rousu, Juho

Publication type:

Article

Silicon micropillar array electrospray chip for drug and biomolecule analysis.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2007, v. 21, n. 22, p. 3677, doi. 10.1002/rcm.3266

By:

Nissilä, Teemu;
Sainiemi, Lauri;
Sikanen, Tiina;
Kotiaho, Tapio;
Franssila, Sami;
Kostiainen, Risto;
Ketola, Raimo A.

Publication type:

Article

Feasibility of different mass spectrometric techniques and programs for automated metabolite profiling of tramadol in human urine.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2006, v. 20, n. 14, p. 2081, doi. 10.1002/rcm.2562

By:

Hakala, Kati S.;
Kostiainen, Risto;
Ketola, Raimo A.

Publication type:

Article

Desorption electrospray ionization mass spectrometry for the analysis of pharmaceuticals and metabolites.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2006, v. 20, n. 3, p. 387, doi. 10.1002/rcm.2304

By:

Kauppila, Tiina J.;
Wiseman, Justin M.;
Ketola, Raimo A.;
Kotiaho, Tapio;
Cooks, R. Graham;
Kostiainen, Risto

Publication type:

Article

Analysis of acetylcholine and choline in microdialysis samples by liquid chromatography/tandem mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2005, v. 19, n. 20, p. 2950, doi. 10.1002/rcm.2160

By:

Uutela, Päivi;
Reinilä, Ruut;
Piepponen, Petteri;
Ketola, Raimo A.;
Kostiainen, Risto

Publication type:

Article

Development of an ion mobility spectrometer for use in an atmospheric pressure ionization ion mobility spectrometer/mass spectrometer instrument for fast screening analysis.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2004, v. 18, n. 24, p. 3131, doi. 10.1002/rcm.1738

By:

Sysoev, Alexey;
Adamov, Alexey;
Viidanoja, Jyrki;
Ketola, Raimo A.;
Kostiainen, Risto;
Kotiaho, Tapio

Publication type:

Article

Comparison of analytical performances of a micro-array quadrupole instrument and a conventional quadrupole mass spectrometer equipped with membrane inlets.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2003, v. 17, n. 7, p. 753, doi. 10.1002/rcm.973

By:

Ketola, Raimo A.;
Kiuru, Jari T.;
Tarkiainen, Virpi;
Kotiaho, Tapio;
Sysoev, Alexey A.

Publication type:

Article