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Showing 1 to 12 of 325 entries
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Nanoelectronic primary thermometry below 4 mK.

Nature communications

Bradley DI, George RE, Gunnarsson D, Haley RP, Heikkinen H, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L, Sarsby M.
PMID: 26816217
Nat Commun. 2016 Jan 27;7:10455. doi: 10.1038/ncomms10455.

Cooling nanoelectronic structures to millikelvin temperatures presents extreme challenges in maintaining thermal contact between the electrons in the device and an external cold bath. It is typically found that when nanoscale devices are cooled to ∼ 10 mK the...

Methods, units and quality requirements for the analysis of haemoglobin A1c in diabetes mellitus.

World journal of methodology

Penttilä I, Penttilä K, Holm P, Laitinen H, Ranta P, Törrönen J, Rauramaa R.
PMID: 27376018
World J Methodol. 2016 Jun 26;6(2):133-42. doi: 10.5662/wjm.v6.i2.133. eCollection 2016 Jun 26.

The formation of glycohemoglobin, especially the hemoglobin A1c (HbA1c) fraction, occurs when glucose becomes coupled with the amino acid valine in the β-chain of Hb; this reaction is dependent on the plasma concentration of glucose. Since the early 1970s...

Degradation and Crystallization of Cellulose in Hydrogen Chloride Vapor for High-Yield Isolation of Cellulose Nanocrystals.

Angewandte Chemie (International ed. in English)

Kontturi E, Meriluoto A, Penttilä PA, Baccile N, Malho JM, Potthast A, Rosenau T, Ruokolainen J, Serimaa R, Laine J, Sixta H.
PMID: 27761976
Angew Chem Int Ed Engl. 2016 Nov 07;55(46):14455-14458. doi: 10.1002/anie.201606626. Epub 2016 Oct 20.

Despite the structural, load-bearing role of cellulose in the plant kingdom, countless efforts have been devoted to degrading this recalcitrant polysaccharide, particularly in the context of biofuels and renewable nanomaterials. Herein, we show how the exposure of plant-based fibers...

Cerebrospinal Fluid TDP-43 in Frontotemporal Lobar Degeneration and Amyotrophic Lateral Sclerosis Patients with and without the C9ORF72 Hexanucleotide Expansion.

Dementia and geriatric cognitive disorders extra

Junttila A, Kuvaja M, Hartikainen P, Siloaho M, Helisalmi S, Moilanen V, Kiviharju A, Jansson L, Tienari PJ, Remes AM, Herukka SK.
PMID: 27195002
Dement Geriatr Cogn Dis Extra. 2016 Apr 16;6(1):142-9. doi: 10.1159/000444788. eCollection 2016.

BACKGROUND: TDP-43 is the main protein component of ubiquitinated inclusions in a subgroup of frontotemporal lobar degeneration (FTLD) and amyotrophic lateral sclerosis (ALS) patients. The C9ORF72 hexanucleotide expansion is one of the main mutations associated with TDP-43 pathology in...

Paroxetine versus amitriptyline in patients with recurrent major depression: A double-blind trial.

International journal of psychiatry in clinical practice

Sacchetti E, Cassano GB, Penati G, Pavan L, Nardini M, Casacchia M, Pancheri P, Muscettola G, Faravelli C, Aguglia E, Nivoli G, Ravizza L, Castrogiovanni P.
PMID: 24931886
Int J Psychiatry Clin Pract. 2002;6(1):23-9. doi: 10.1080/136515002753489380.

INTRODUCTION: Long-term exposure to antidepressants is required to prevent relapses and recurrences in patients with recurrent major depression. Furthermore, a good pharmacological compliance is the key to successful long-term treatment. Since the early phases of a treatment influence long-term...

Cohort Profile: The Helsinki Businessmen Study (HBS).

International journal of epidemiology

Strandberg TE, Salomaa V, Strandberg AY, Vanhanen H, Sarna S, Pitkälä K, Rantanen K, Savela S, Pienimäki T, Huohvanainen E, Stenholm S, Räikkönen K, Tilvis RS, Tienari PJ, Huttunen J.
PMID: 26705307
Int J Epidemiol. 2016 Aug;45(4):1074-1074h. doi: 10.1093/ije/dyv310. Epub 2015 Dec 24.

No abstract available.

Total Absorption Spectroscopy Study of (92)Rb Decay: A Major Contributor to Reactor Antineutrino Spectrum Shape.

Physical review letters

Zakari-Issoufou AA, Fallot M, Porta A, Algora A, Tain JL, Valencia E, Rice S, Bui VM, Cormon S, Estienne M, Agramunt J, Äystö J, Bowry M, Briz JA, Caballero-Folch R, Cano-Ott D, Cucoanes A, Elomaa VV, Eronen T, Estévez E, Farrelly GF, Garcia AR, Gelletly W, Gomez-Hornillos MB, Gorlychev V, Hakala J, Jokinen A, Jordan MD, Kankainen A, Karvonen P, Kolhinen VS, Kondev FG, Martinez T, Mendoza E, Molina F, Moore I, Perez-Cerdán AB, Podolyák Z, Penttilä H, Regan PH, Reponen M, Rissanen J, Rubio B, Shiba T, Sonzogni AA, Weber C.
PMID: 26382674
Phys Rev Lett. 2015 Sep 04;115(10):102503. doi: 10.1103/PhysRevLett.115.102503. Epub 2015 Sep 04.

The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra recorded at the ILL reactor. (92)Rb makes the dominant contribution to the reactor antineutrino spectrum in the 5-8...

Endoscopic dacryocystorhinostomy as treatment for lower lacrimal pathway obstructions in adults: Review article.

Allergy & rhinology (Providence, R.I.)

Penttilä E, Smirnov G, Tuomilehto H, Kaarniranta K, Seppä J.
PMID: 25860166
Allergy Rhinol (Providence). 2015 Jan;6(1):12-9. doi: 10.2500/ar.2015.6.0116.

Obstruction of the lacrimal pathway is manifested by epiphora, infection, and blurred vision as well as ocular and facial pain. Conservative treatments only achieve temporary relief of symptoms, thus surgery is the treatment of choice. Dacryocystorhinostomy (DCR) is recognized...

On-chip magnetic cooling of a nanoelectronic device.

Scientific reports

Bradley DI, Guénault AM, Gunnarsson D, Haley RP, Holt S, Jones AT, Pashkin YA, Penttilä J, Prance JR, Prunnila M, Roschier L.
PMID: 28374845
Sci Rep. 2017 Apr 04;7:45566. doi: 10.1038/srep45566.

We demonstrate significant cooling of electrons in a nanostructure below 10 mK by demagnetisation of thin-film copper on a silicon chip. Our approach overcomes the typical bottleneck of weak electron-phonon scattering by coupling the electrons directly to a bath...

Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat.

Scientific reports

Panneer Selvam B, Lapierre JF, Guillemette F, Voigt C, Lamprecht RE, Biasi C, Christensen TR, Martikainen PJ, Berggren M.
PMID: 28378792
Sci Rep. 2017 Apr 05;7:45811. doi: 10.1038/srep45811.

Global warming can substantially affect the export of dissolved organic carbon (DOC) from peat-permafrost to aquatic systems. The direct degradability of such peat-derived DOC, however, is poorly constrained because previous permafrost thaw studies have mainly addressed mineral soil catchments...

Circulating nucleosomes as predictive markers of severe acute pancreatitis.

Journal of intensive care

Penttilä AK, Rouhiainen A, Kylänpää L, Mustonen H, Puolakkainen P, Rauvala H, Repo H.
PMID: 26893906
J Intensive Care. 2016 Feb 17;4:14. doi: 10.1186/s40560-016-0135-6. eCollection 2016.

BACKGROUND: The components of nucleosomes, which contain DNA and histones, are released into the circulation from damaged cells and can promote inflammation. We studied whether the on-admission levels of circulating nucleosomes predict the development of severe acute pancreatitis (AP),...

Measurement of Neutron Decay Parameters-The abBA Experiment.

Journal of research of the National Institute of Standards and Technology

Wilburn WS, Bowman JD, Mitchell GS, O'Donnell JM, Penttila SI, Seo PN, Calarco JR, Hersmann FW, Chupp TE, Cianciolo TV, Rykaczewski KP, Young GR, De Souza RT, Snow WM, Desai D, Greene GL, Grzywacz RK, Frlez E, Pocanic D, Gentile TR, Gudkov V, Jones GL.
PMID: 27308155
J Res Natl Inst Stand Technol. 2005 Aug 01;110(4):389-93. doi: 10.6028/jres.110.058. Print 2005.

We are developing an experiment to measure the correlations a, A, and B, and the Fierz interference term b in neutron decay, with a precision of approximately 10(-4). The experiment uses an electromagnetic spectrometer in combination with two large-area...

Showing 1 to 12 of 325 entries