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Showing 1 to 12 of 42 entries
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Nucleation and Conformality of Iridium and Iridium Oxide Thin Films Grown by Atomic Layer Deposition.

Langmuir : the ACS journal of surfaces and colloids

Mattinen M, Hämäläinen J, Gao F, Jalkanen P, Mizohata K, Räisänen J, Puurunen RL, Ritala M, Leskelä M.
PMID: 27673703
Langmuir. 2016 Oct 18;32(41):10559-10569. doi: 10.1021/acs.langmuir.6b03007. Epub 2016 Oct 06.

Nucleation and conformality are important issues, when depositing thin films for demanding applications. In this study, iridium and iridium dioxide (IrO

Magnetic Properties of Polycrystalline Bismuth Ferrite Thin Films Grown by Atomic Layer Deposition.

The journal of physical chemistry letters

Jalkanen P, Tuboltsev V, Marchand B, Savin A, Puttaswamy M, Vehkamäki M, Mizohata K, Kemell M, Hatanpää T, Rogozin V, Räisänen J, Ritala M, Leskelä M.
PMID: 26273981
J Phys Chem Lett. 2014 Dec 18;5(24):4319-23. doi: 10.1021/jz502285f. Epub 2014 Dec 04.

The atomic layer deposition (ALD) method was applied to grow thin polycrystalline BiFeO3 (BFO) films on Pt/SiO2/Si substrates. The 50 nm thick films were found to exhibit high resistivity, good morphological integrity, and homogeneity achieved by the applied ALD...

COVID-19 adenovirus vaccine triggers antibodies against PF4 complexes to activate complement and platelets.

Thrombosis research

Pitkänen HH, Jouppila A, Helin T, Dulipati V, Kotimaa J, Meri S, Kantele A, Jalkanen P, Julkunen I, Lassila R.
PMID: 34768097
Thromb Res. 2021 Dec;208:129-137. doi: 10.1016/j.thromres.2021.10.027. Epub 2021 Nov 06.

BACKGROUND: Vaccine-induced thrombotic thrombocytopenia (VITT) is a rare coagulation disorder reported after administration of COVID-19 adenovirus-vectored vaccines. VITT is mediated by anti-platelet factor 4 (PF4) antibodies activating platelets through the Fcγ-receptor II (FcγRII), and it is associated with strong...

Brain Response Induced with Paired Associative Stimulation Is Related to Repetition Suppression of Motor Evoked Potential.

Brain sciences

Kariminezhad S, Karhu J, Säisänen L, Reijonen J, Könönen M, Julkunen P.
PMID: 32993079
Brain Sci. 2020 Sep 26;10(10). doi: 10.3390/brainsci10100674.

Repetition suppression (RS), i.e., the reduction of neuronal activity upon repetition of an external stimulus, can be demonstrated in the motor system using transcranial magnetic stimulation (TMS). We evaluated the RS in relation to the neuroplastic changes induced by...

A Highly Sensitive and Specific SARS-CoV-2 Spike- and Nucleoprotein-Based Fluorescent Multiplex Immunoassay (FMIA) to Measure IgG, IgA, and IgM Class Antibodies.

Microbiology spectrum

Solastie A, Virta C, Haveri A, Ekström N, Kantele A, Miettinen S, Lempainen J, Jalkanen P, Kakkola L, Dub T, Julkunen I, Melin M.
PMID: 34787485
Microbiol Spectr. 2021 Dec 22;9(3):e0113121. doi: 10.1128/Spectrum.01131-21. Epub 2021 Nov 17.

Validation and standardization of accurate serological assays are crucial for the surveillance of the coronavirus disease 2019 (COVID-19) pandemic and population immunity. We describe the analytical and clinical performance of an in-house fluorescent multiplex immunoassay (FMIA) for simultaneous quantification...

Oral disease burden of dentate older adults living in long-term care facilities: FINORAL study.

BMC oral health

Julkunen L, Hiltunen K, Kautiainen H, Saarela RKT, Pitkälä KH, Mäntylä P.
PMID: 34876101
BMC Oral Health. 2021 Dec 07;21(1):624. doi: 10.1186/s12903-021-01984-4.

BACKGROUND: A growing number of older adults have natural teeth and are at high risk of oral diseases, which are induced by oral bacterial accumulation and proceed unnoticed and quietly. Our aim was (1) to examine the association of...

Autoimmune Diseases and Oral Health: 30-Year Follow-Up of a Swedish Cohort.

Dentistry journal

Julkunen A, Heikkinen AM, Söder B, Söder PÖ, Toppila-Salmi S, Meurman JH.
PMID: 29563402
Dent J (Basel). 2017 Dec 22;6(1). doi: 10.3390/dj6010001.

Oral infections up-regulate a number of systemic inflammatory reactions that, in turn, play a role in the development of systemic diseases. We investigated the association between oral health and autoimmune diseases in a cohort of Swedish adults. Hypothesis was...

Correction to: Extent and Location of the Excitatory and Inhibitory Cortical Hand Representation Maps: A Navigated Transcranial Magnetic Stimulation Study.

Brain topography

Pitkänen M, Kallioniemi E, Julkunen P.
PMID: 29032397
Brain Topogr. 2018 Jan;31(1):150-151. doi: 10.1007/s10548-017-0600-0.

The original version of this article unfortunately contained an error. An error in the transformation between coordinate systems used to derive part of the results has been noticed.

Arthritis Induced with Freund's Adjuvant and its Relationship to Changes in the Stomach, Small Intestine and Thymus: A Histological and Tritiated Thymidine Study on Rats.

Scandinavian journal of rheumatology

Julkunen H, Rokkanen P.
PMID: 20144091
Scand J Rheumatol. 1987;16(1):22-9. doi: 10.3109/03009747009165352.

The aim of the study was to elucidate histological changes provoked by Mycobacterium butyricum toxine in the rat joints, stomach, small intestine and thymus and the uptake of tritiated thymidine. Freund's complete adjuvant was injected into the base of...

Combining transcranial magnetic stimulation and electroencephalography may contribute to assess the severity of Alzheimer's disease.

International journal of Alzheimer's disease

Julkunen P, Jauhiainen AM, Könönen M, Pääkkönen A, Karhu J, Soininen H.
PMID: 21629763
Int J Alzheimers Dis. 2011;2011:654794. doi: 10.4061/2011/654794. Epub 2011 May 15.

Alzheimer's disease (AD) is the most common form of old age dementia, and mild cognitive impairment (MCI) often precedes AD. In our previous study (Julkunen et al. 2008), we found that the combination of transcranial magnetic stimulation (TMS) and...

The association between physicians' attitudes to psychosocial aspects of low back pain and reported clinical behaviour: A complex issue.

Scandinavian journal of pain

Valjakka AL, Salanterä S, Laitila A, Julkunen J, Hagelberg NM.
PMID: 29913889
Scand J Pain. 2013 Jan 01;4(1):25-30. doi: 10.1016/j.sjpain.2012.08.003.

Background and aim Physicians' attitudes predict clinical decision making and treatment choices, but the association between attitudes and behaviour is complex. Treatment guidelines for non-specific low back pain (LBP) include recommendations of early assessment of psychosocial risk factors forchronic...

Individual characterization of fast intracortical facilitation with paired biphasic-wave transcranial magnetic stimulation.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society

Mohammadi A, Ebrahimi M, Kaartinen S, Jarnefelt G, Karhu J, Julkunen P.
PMID: 30106684
IEEE Trans Neural Syst Rehabil Eng. 2018 Aug 08; doi: 10.1109/TNSRE.2018.2864311. Epub 2018 Aug 08.

We characterized the short-interval intracortical facilitation (SICF) via modulation of transcranial magnetic stimulation (TMS) induced motor evoked potentials (MEPs) using paired-pulse stimulation, and analyzed the interactions with known SICF I-wave behavior. The objective was to optimize individual SICF to...

Showing 1 to 12 of 42 entries