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Showing 1 to 12 of 46 entries
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Polarized backscattering by clusters of spherical particles.

Optics letters

Virkki A, Markkanen J, Tyynelä J, Peltoniemi JI, Muinonen K.
PMID: 26258383
Opt Lett. 2015 Aug 01;40(15):3663-6. doi: 10.1364/OL.40.003663.

The linear and circular polarization ratios for clusters of spherical particles averaged over multiple orientations show a systematic pattern as a function of the refractive index and the size parameter. We show that, at backscattering, the depolarizing behavior of...

Abdominoplasty improves quality of life, psychological distress, and eating disorder symptoms: a prospective study.

Plastic surgery international

Saariniemi KM, Salmi AM, Peltoniemi HH, Helle MH, Charpentier P, Kuokkanen HO.
PMID: 25506426
Plast Surg Int. 2014;2014:197232. doi: 10.1155/2014/197232. Epub 2014 Nov 24.

Background. Only some studies provide sufficient data regarding the effects of nonpostbariatric (aesthetic) abdominoplasty on various aspects of quality of life. Nevertheless, when considering the effects on eating habits, publications are lacking. Therefore we decided to assess the effects...

Ion permeability of SAMs on nanoparticle surfaces.

Journal of the American Chemical Society

Laaksonen T, Pelliniemi O, Quinn BM.
PMID: 17076507
J Am Chem Soc. 2006 Nov 08;128(44):14341-6. doi: 10.1021/ja064701t.

This article reports on the ion permeability of self-assembled monolayers (SAMs) formed on the surface of charged alkanethiol-protected gold nanoparticles, so-called monolayer-protected clusters (MPCs). The capacitance and thus the charging energy required to add/remove an electron from the metal...

Small-angle goniometry for backscattering measurements in the broadband spectrum.

Applied optics

Kaasalainen S, Peltoniemi J, Näränen J, Suomalainen J, Kaasalainen M, Stenman F.
PMID: 15796250
Appl Opt. 2005 Mar 10;44(8):1485-90. doi: 10.1364/ao.44.001485.

We present experiments on spectral bidirectional reflectance distribution function (BRDF) effects at backscatter and discuss the feasibility of new methods for laboratory and field simulations of remote sensing of land surfaces. The extreme sharpness of the intensity peak allows...

Light scattering by randomly oriented crystals.

Applied optics

Muinonen K, Lumme K, Peltoniemi J, Irvine WM.
PMID: 20555651
Appl Opt. 1989 Aug 01;28(15):3051-60. doi: 10.1364/AO.28.003051.

The scattering phase function and the degree of linear polarization for small crystals oriented randomly in space have been computed using the geometric ray tracing theory and assuming that the crystals are homogeneous and isotropic. Calculations have been carried...

Theoretical possibilities and observational constraints for radiatively decaying neutrinos with a mass near 30 eV.

Physical review. D, Particles and fields

Bowyer S, Lampton M, Peltoniemi JT, Roos M.
PMID: 10019549
Phys Rev D Part Fields. 1995 Sep 15;52(6):3214-3225. doi: 10.1103/physrevd.52.3214.

No abstract available.

Efficient ultrafiltration-based protocol to deplete extracellular vesicles from fetal bovine serum.

Journal of extracellular vesicles

Kornilov R, Puhka M, Mannerström B, Hiidenmaa H, Peltoniemi H, Siljander P, Seppänen-Kaijansinkko R, Kaur S.
PMID: 29410778
J Extracell Vesicles. 2018 Jan 21;7(1):1422674. doi: 10.1080/20013078.2017.1422674. eCollection 2018.

Fetal bovine serum (FBS) is the most commonly used supplement in studies involving cell-culture experiments. However, FBS contains large numbers of bovine extracellular vesicles (EVs), which hamper the analyses of secreted EVs from the cell type of preference and,...

Structural characterization of piglet producing farms and their sow removal patterns in Finland.

Porcine health management

Bergman P, Munsterhjelm C, Virtala AM, Peltoniemi O, Valros A, Heinonen M.
PMID: 31161043
Porcine Health Manag. 2019 May 31;5:12. doi: 10.1186/s40813-019-0119-8. eCollection 2019.

BACKGROUND: The main objectives of this observational, cross-sectional study were to characterize piglet producing farms in Finland and to investigate how farm profiles are associated with sow culling and mortality.The study was conducted on 43 farms during 2014. A...

Intrathecal tobramycin and pausing induction chemotherapy for pediatric acute lymphoblastic leukemia facilitate successful management of disseminated Pseudomonas aeruginosa infection and meningitis.

Pediatric blood & cancer

Aarnivala H, Tapiainen T, Peltoniemi O, Niinimäki R.
PMID: 33522127
Pediatr Blood Cancer. 2021 Jun;68(6):e28928. doi: 10.1002/pbc.28928. Epub 2021 Jan 31.

No abstract available.

Site fertility and soil water-table level affect fungal biomass production and community composition in boreal peatland forests.

Environmental microbiology

Peltoniemi K, Adamczyk S, Fritze H, Minkkinen K, Pennanen T, Penttilä T, Sarjala T, Laiho R.
PMID: 33350006
Environ Microbiol. 2021 Oct;23(10):5733-5749. doi: 10.1111/1462-2920.15368. Epub 2021 Jan 09.

A substantial amount of below-ground carbon (C) is suggested to be associated with fungi, which may significantly affect the soil C balance in forested ecosystems. Ergosterol from in-growth mesh bags and litterbags was used to estimate fungal biomass production...

Changing patterns in treatment, remission status and categories in a long-term Nordic cohort study of juvenile idiopathic arthritis.

Arthritis care & research

Glerup M, Arnstad ED, Rypdal V, Peltoniemi S, Aalto K, Rygg M, Nielsen S, Fasth A, Berntson L, Nordal E, Herlin T.
PMID: 35015381
Arthritis Care Res (Hoboken). 2022 Jan 10; doi: 10.1002/acr.24857. Epub 2022 Jan 10.

OBJECTIVE: To explore sustainability of achieved remission off medication and defined ILAR categories in juvenile idiopathic arthritis (JIA). To describe the trajectory of disease course over time by comparing treatment, disease activity and ILAR categories from baseline, 8 and...

Loss of diversity in wood-inhabiting fungal communities affects decomposition activity in Norway spruce wood.

Frontiers in microbiology

Valentín L, Rajala T, Peltoniemi M, Heinonsalo J, Pennanen T, Mäkipää R.
PMID: 24904544
Front Microbiol. 2014 May 20;5:230. doi: 10.3389/fmicb.2014.00230. eCollection 2014.

Hundreds of wood-inhabiting fungal species are now threatened, principally due to a lack of dead wood in intensively managed forests, but the consequences of reduced fungal diversity on ecosystem functioning are not known. Several experiments have shown that primary...

Showing 1 to 12 of 46 entries