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1

Airborne remote sensing of spatiotemporal change (1955–2004) in indigenous and exotic forest cover in the Taita Hills, Kenya

Petri K.E. Pellikka, Milla Lötjönen, Mika Siljander, Luc Lens

Journal:

International Journal of Applied Earth Observation and Geoinformation

Year:

2009

Language:

english

File:

PDF, 1.04 MB

english, 2009

2

Fast and robust multi-atlas segmentation of brain magnetic resonance images

Jyrki MP. Lötjönen, Robin Wolz, Juha R. Koikkalainen, Lennart Thurfjell, Gunhild Waldemar, Hilkka Soininen, Daniel Rueckert

Journal:

Year:

2010

Language:

english

File:

PDF, 1.23 MB

english, 2010

3

Ultrasound speed varies in articular cartilage under indentation loading [Coresspondence]

Lotjonen, P., Julkunen, P., Tiitu, V., Jurvelin, J.S., Toyras, J.

Journal:

IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Year:

2011

Language:

english

File:

PDF, 740 KB

english, 2011

4

Comparing Predictors of Conversion to Alzheimer's Disease Using the Disease State Index

Muñoz-Ruiz, Miguel Ángel, Hall, Anette, Mattila, Jussi, Koikkalainen, Juha, Herukka, Sanna-Kaisa, Vanninen, Ritva, Liu, Yawu, Lötjönen, Jyrki, Soininen, Hilkka

Journal:

Neurodegenerative Diseases

Year:

2014

Language:

english

File:

PDF, 102 KB

english, 2014

5

A triangulation method of an arbitrary point set for biomagnetic problems

Lotjonen, J., Reissman, P.-J., Magnin, I.E., Nenonen, J., Katila, T.

Journal:

IEEE Transactions on Magnetics

Year:

1998

Language:

english

File:

PDF, 165 KB

english, 1998

6

Brain volumes and cortical thickness on MRI in the Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability (FINGER)

Stephen, Ruth, Liu, Yawu, Ngandu, Tiia, Antikainen, Riitta, Hulkkonen, Juha, Koikkalainen, Juha, Kemppainen, Nina, Lötjönen, Jyrki, Levälahti, Esko, Parkkola, Riitta, Pippola, Pauliina, Rinne, Juha, S

Journal:

Alzheimer's Research & Therapy

Year:

2019

Language:

english

File:

PDF, 820 KB

english, 2019

7

The metabolism of iodine-123 labelled 3-(5-cyclopropyl-1,2,4-oxadiazo-3-yl)-7-iodo-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine (NNC 13–8241) measured in human plasma is only minor

Kari K. Åkerman, Kim A. Bergström, Christer Halldin, Simo Lötjönen, Meixiang Yu, Tuomo Nikula, Jukka Hiltunen, Christian Foged, Jyrki T. Kuikka, Jari Tiihonen

Journal:

Human Psychopharmacology: Clinical and Experimental

Year:

1998

Language:

english

File:

PDF, 130 KB

english, 1998

8

Preparation of [18F]β-CFT-FP and [11C]β-CFT-FP, selective radioligands for visualisation of the dopamine transporter using positron emission tomography (PET)

Eeva-Liisa Kämäräinen, Teija Kyllönen, Anu Airaksinen, Camilla Lundkvist, Meixiang Yu, Kjell Någren, Johan Sandell, Oliver Langer, Jouko Vepsäläinen, Jukka Hiltunen, Kim Bergström, Simo Lötjönen, Timo

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

2000

File:

PDF, 1.99 MB

2000

9

Radiosynthesis of [123I]N-(3-iodoprop-(2E)-enyl)-2α-(imino-methyl)-3β-(3′,4′-dichlorophenyl) nortropane as a potential SPET tracer for dopamine transporter

Meixiang Yu, Anu J. Airaksinen, Antony D. Gee, Simo Lötjönen, Jyrki T. Kuikka, Jouko J. Vepsäläinen, Jukka Hiltunen, Kim A. Bergström

Journal:

Journal of Labelled Compounds and Radiopharmaceuticals

Year:

2002

Language:

english

File:

PDF, 93 KB

english, 2002

10

Evaluation of cardiac biventricular segmentation from multiaxis MRI data: A multicenter study

Jyrki M.P. Lötjönen, Vesa M. Järvinen, Benjamin Cheong, Edwin Wu, Sari Kivistö, Juha R. Koikkalainen, Jussi J.O. Mattila, Helena M. Kervinen, Raja Muthupillai, Florence H. Sheehan, Kirsi Lauerma

Journal:

Journal of Magnetic Resonance Imaging

Year:

2008

Language:

english

File:

PDF, 880 KB

english, 2008

11

Steric interaction between the peripheral substituents of 10(S)-chlorophyll derivatives and its conformational consequences: A proton magnetic resonance study

Paavo H. Hynninen, Simo Lötjönen

Journal:

Magnetic Resonance in Chemistry

Year:

1985

Language:

english

File:

PDF, 1.28 MB

english, 1985

12

High-field proton NMR study of the liquid solution structure of monomeric bacteriochlorophyll a and chlorophyll a

S. Lötjönen, T. J. Michalski, J. R. Norris, P. H. Hynninen

Journal:

Magnetic Resonance in Chemistry

Year:

1987

Language:

english

File:

PDF, 469 KB

english, 1987

13

Accurate determination and analysis of the temperature dependence of long-range spin–spin couplings in 2-chlorobenzaldehyde

Reino Laatikainen, Kari Tuppurainen, Yrjö Hiltunen, Simo Lötjönen

Journal:

Magnetic Resonance in Chemistry

Year:

1990

Language:

english

File:

PDF, 607 KB

english, 1990

14

The 13C,H coupling constants in structural and conformational analysis. IV–The rotational dependence of the long-range CH couplings of the aldehyde and hydroxyl protons in salicylaldehyde

Pertti Äyräs, Reino Laatikainen, Simo Lötjönen

Journal:

Magnetic Resonance in Chemistry

Year:

1980

Language:

english

File:

PDF, 360 KB

english, 1980

15

Carbon-13 spectral analysis, tautomeric structures and conformations of four two-ring methylene-bridged phloroglucinol derivatives

Pertti Äyräs, Simo Lötjönen, Carl-Johan Widén

Journal:

Magnetic Resonance in Chemistry

Year:

1981

Language:

english

File:

PDF, 432 KB

english, 1981

16

Complete assignment of the carbon-13 NMR spectrum of chlorophyl a

Simo Lötjönen, Paavo H. Hynninen

Journal:

Magnetic Resonance in Chemistry

Year:

1981

Language:

english

File:

PDF, 453 KB

english, 1981

17

13C NMR spectroscopic evidence for the existence of the monocation of pyropheophytin a

Simo Lötjönen, Paavo H. Hynninen

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 445 KB

english, 1984

18

Carbon-13 NMR spectra of chlorophyll a, chlorophyll a′, pyrochlorophyll a and the corresponding pheophytins

Simo Lötjönen, Paavo H. Hynninen

Journal:

Magnetic Resonance in Chemistry

Year:

1983

Language:

english

File:

PDF, 972 KB

english, 1983

19

Alignment of 3-dimensional cardiac structures in O-15-labeled water PET emission images with mutual information

Anu Juslin, Jyrki Lötjönen, Sergey V. Nesterov, Kari Kalliokoski, Juhani Knuuti, Ulla Ruotsalainen

Journal:

Journal of Nuclear Cardiology

Year:

2007

Language:

english

File:

PDF, 298 KB

english, 2007

20

Statistical shape model of atria, ventricles and epicardium from short- and long-axis MR images

J. Lötjönen, S. Kivistö, J. Koikkalainen, D. Smutek, K. Lauerma

Journal:

Medical Image Analysis

Year:

2004

Language:

english

File:

PDF, 931 KB

english, 2004

21

Strain-Dependent Modulation of Ultrasound Speed in Articular Cartilage Under Dynamic Compression

Pauno Lötjönen, Petro Julkunen, Juha Töyräs, Mikko J. Lammi, Jukka S. Jurvelin, Heikki J. Nieminen

Journal:

Ultrasound in Medicine & Biology

Year:

2009

Language:

english

File:

PDF, 521 KB

english, 2009

22

Nuclear magnetic resonance and molecular orbital study of some cocaine analogues

Anu J. Airaksinen, Kari A. Tuppurainen, Simo E. Lötjönen, Matthias Niemitz, Meixiang Yu, Jouko J. Vepsäläinen, Reino Laatikainen, Jukka Hiltunen, Kim A. Bergström

Journal:

Year:

1999

Language:

english

File:

PDF, 566 KB

english, 1999

23

Electrophilic substitution at the δ-methine bridge of pheophorbide a and a′

Paavo H. Hynninen, Simo Lötjönen

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 140 KB

english, 1981

24

2069 Assessment of genetic dilated cardiomyopathy in LMNA-mutation carriers by cardiac MRI

Kristel M Antila, Juha R Koikkalainen, Jyrki MP Lötjönen, Tiina Heliö, Sari M Kivistö, Kirsi Lauerma

Journal:

Journal of Cardiovascular Magnetic Resonance

Year:

2008

Language:

english

File:

PDF, 98 KB

english, 2008

25

Late gadolinium enhanced cardiovascular magnetic resonance of lamin A/C gene mutation related dilated cardiomyopathy

Miia Holmström, Sari Kivistö, Tiina Heliö, Raija Jurkko, Maija Kaartinen, Margareta Antila, Eeva Reissell, Johanna Kuusisto, Satu Kärkkäinen, Keijo Peuhkurinen, Juha Koikkalainen, Jyrki Lötjönen, Kirs

Journal:

Journal of Cardiovascular Magnetic Resonance

Year:

2011

Language:

english

File:

PDF, 677 KB

english, 2011

26

Myocardial function in patients with Shwachman–Diamond syndrome: Aspects to consider before stem cell transplantation

Sanna Toiviainen-Salo, Olli Pitkänen, Miia Holmström, Juha Koikkalainen, Jyrki Lötjönen, Kirsi Lauerma, Mervi Taskinen, Erkki Savilahti, Jeffrey Smallhorn, Outi Mäkitie, Sari Kivistö

Journal:

Pediatric Blood & Cancer

Year:

2008

Language:

english

File:

PDF, 97 KB

english, 2008

27

Electron ionization mass spectra of some cyclohexane fused 2-N-phenyliminoperhydro-1,3-oxazines and related thiazines

Kalevi Pihlaja, Lenita Lötjönen, Ferenc Fülöp, Gábor Bernáth, Pirjo Vainiotalo

Journal:

Rapid Communications in Mass Spectrometry

Year:

1990

Language:

english

File:

PDF, 390 KB

english, 1990

28

Mercury-binding capacity of organic and inorganic selenium in rat blood and liver

Kari Seppänen, Reino Laatikainen, Jukka T. Salonem, Marjatta Kantola, Simo Lötjönen, Mikko Harri, Llisa Nüurminen, Jari Kaikkomem, Kristiima Nyyssönen

Journal:

Biological Trace Element Research

Year:

1998

Language:

english

File:

PDF, 765 KB

english, 1998

29

Toxic effects and excretion in urine of 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) in the rat after a single oral dose

Hannu Komulainen, Hannele Huuskonen, Veli-Matti Kosma, Simo Lötjönen, Terttu Vartiainen

Journal:

Archives of Toxicology

Year:

1994

Language:

english

File:

PDF, 298 KB

english, 1994

30

A 3-D model-based registration approach for the PET, MR and MCG cardiac data fusion

Timo Mäkelä, Quoc Cuong Pham, Patrick Clarysse, Jukka Nenonen, Jyrki Lötjönen, Outi Sipilä, Helena Hänninen, Kirsi Lauerma, Juhani Knuuti, Toivo Katila, Isabelle E. Magnin

Journal:

Medical Image Analysis

Year:

2003

Language:

english

File:

PDF, 2.28 MB

english, 2003

31

Model extraction from magnetic resonance volume data using the deformable pyramid

Jyrki Lötjönen, Pierre-Jean Reissman, Isabelle E. Magnin, Toivo Katila

Journal:

Medical Image Analysis

Year:

1999

Language:

english

File:

PDF, 1.28 MB

english, 1999

32

Circadian activity rhythm in demented and non-demented nursing-home residents measured by telemetric actigraphy

PAULA PAAVILAINEN, ILKKA KORHONEN, JYRKI LÖTJÖNEN, LUC CLUITMANS, MARJA JYLHÄ, ANTTI SÄRELÄ, MARKKU PARTINEN

Journal:

Journal of Sleep Research

Year:

2005

Language:

english

File:

PDF, 822 KB

english, 2005

33

EEG spectral entropy, heart rate, photoplethysmography and motor responses to skin incision during sevoflurane anaesthesia

E. R. J. Seitsonen, I. K. J. Korhonen, M. J. Van Gils, M. Huiku, J. M. P. Lötjönen, K. T. Korttila, A. M. Yli-Hankala

Journal:

Acta Anaesthesiologica Scandinavica

Year:

2005

Language:

english

File:

PDF, 636 KB

english, 2005

34

Nonfluoroscopic Localization of an Amagnetic Stimulation Catheter by Multichannel Magnetocardiography

RICCARDO FENICI, JUKKA NENONEN, KATJA PESOLA, PETRI KORHONEN, JYRKI LÖTJÖNEN, MARKKU MÄKIJÄRVI, LAURI TOIVONEN, VELI-PEKKA POUTANEN, PEKKA KETO, TOIVO KATILA

Journal:

Pacing and Clinical Electrophysiology

Year:

1999

Language:

english

File:

PDF, 5.10 MB

english, 1999

35

Does mercury promote lipid peroxidation?

Kari Seppänen, Pasi Soininen, Jukka T. Salonen, Simo Lötjönen, Reino Laatikainen

Journal:

Biological Trace Element Research

Year:

2004

Language:

english

File:

PDF, 218 KB

english, 2004

36

Analysis and some chemical properties of MX (3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone), the potent drinking water mutagen

T. Vartiainen, K. Heiskanen, S. Lötjönen

Journal:

Analytical and Bioanalytical Chemistry

Year:

1991

Language:

english

File:

PDF, 331 KB

english, 1991

37

About the mutagenicity of chlorine-substituted furanones and halopropenals. A QSAR study using molecular orbital indices

Kari Tuppurainen, Simo Lötjönen, Reino Laatikainen, Terttu Vartiainen, Uko Maran, Marek Strandberg, Toomas Tamm

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1991

Language:

english

File:

PDF, 427 KB

english, 1991

38

Structural and electronic properties of MX compounds related to TA100 mutagenicity. A semi-empirical molecular orbital QSAR study

Kari Tuppurainen, Simo Lötjönen, Reino Laatikainen, Terttu Vartiainen

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1992

Language:

english

File:

PDF, 551 KB

english, 1992

39

On the mutagenicity of MX compounds

Kari Tuppurainen, Simo Lötjönen

Journal:

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis

Year:

1993

Language:

english

File:

PDF, 494 KB

english, 1993

40

The strong mutagen 3-chloro-4-(dichloromethyl)-5-hydroxyl-2(5H)furanone (MX) of drinking water is drastically metabolized by placental S9 and rat liver S9 with and without vitamin C

T. Vartiainen, S. Lampelo, J. Tuomisto, S. Lötjönen

Journal:

Mutation Research/Environmental Mutagenesis and Related Subjects

Year:

1989

Language:

english

File:

PDF, 171 KB

english, 1989

41

Nonlinear dimensionality reduction combining MR imaging with non-imaging information

Robin Wolz, Paul Aljabar, Joseph V. Hajnal, Jyrki Lötjönen, Daniel Rueckert

Journal:

Medical Image Analysis

Year:

2012

Language:

english

File:

PDF, 787 KB

english, 2012

42

Construction of patient-specific surface models from MR images: application to bioelectromagnetism

Jyrki Lötjönen

Journal:

Computer Methods and Programs in Biomedicine

Year:

2003

Language:

english

File:

PDF, 757 KB

english, 2003

43

Reconstruction of 3-D head geometry from digitized point sets: an evaluation study

Koikkalainen, J., Lotjonen, J.

Journal:

IEEE Transactions on Information Technology in Biomedicine

Year:

2004

Language:

english

File:

PDF, 1.94 MB

english, 2004

44

Methods of Artificial Enlargement of the Training Set for Statistical Shape Models

Koikkalainen, J., Tolli, T., Lauerma, K., Antila, K., Mattila, E., Lilja, M., Lotjonen, J.

Journal:

IEEE Transactions on Medical Imaging

Year:

2008

Language:

english

File:

PDF, 1.67 MB

english, 2008

45

Pharmacokinetics in Rat of 3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX), a Drinking Water Mutagen, after a Single Dose

H. Komulainen, S. -L. Vaittinen, T. Vartiainen, S. Lötjönen, P. Paronen, J. Tuomisto

Journal:

Basic & Clinical Pharmacology & Toxicology

Year:

1992

Language:

english

File:

PDF, 495 KB

english, 1992

46

Effects of π−π interactions on the 1H-NMR spectra and solution structures of pheophytin a and a′ dimers

Paavo H. Hynninen, Simo Lötjönen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

1993

Language:

english

File:

PDF, 651 KB

english, 1993

47

Hydrogen bonding of water to chlorophyll a and its derivatives as detected by 1H-NMR spectroscopy

Paavo H. Hynninen, Simo Lötjönen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

1993

Language:

english

File:

PDF, 611 KB

english, 1993

48

Biochemical and chemical degradation of 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) in surface and drinking water

Ilkka Miettinen, Pertti Martikainen, Terttu Vartiainen, Simo Lötjönen

Journal:

Year:

1993

Language:

english

File:

PDF, 603 KB

english, 1993

49

75 Predict Alzheimer's disease tools for early diagnosis

Y. Liu, J. Mattila, T. Paajanen, J. Koikkalainen, M. vanGils, S.-K. Herukka, G. Waldemar, J. Lötjönen, Hilkka Soininen

Journal:

Neurobiology of Aging

Year:

2012

Language:

english

File:

PDF, 73 KB

english, 2012

50

[IEEE 2010 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2010) - Buenos Aires (2010.08.31-2010.09.4)] 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology - Discovery and use of efficient biomarkers for objective disease state assessment in Alzheimer's disease

van Gils, M, Koikkalainen, J, Mattila, J, Herukka, S, Lotjonen, J, Soininen, H

Year:

2010

Language:

english

File:

PDF, 295 KB

english, 2010

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