Elevated UV‐B radiation alters fluxes of methane and carbon dioxide in peatland microcosms

R Niemi, PJ Martikainen, J Silvola, A Wulff… - Global Change …, 2002 - Wiley Online Library
Increases in solar ultraviolet‐B radiation (UV‐B; 280–320 nm) reaching the earth have been
estimated to continue until 2050s in the boreal and subarctic regions with an abundant …

Urinary polyamines as biomarkers for ovarian cancer

RJ Niemi, AN Roine, MR Häkkinen… - International Journal of …, 2017 - ijgc.bmj.com
Objectives Elevated concentrations of polyamines have been found in urine of patients with
malignant tumors, including ovarian cancer. Previous research has suffered from poorly …

Responses of two Sphagnum moss species and Eriophorum vaginatum to enhanced UV‐B in a summer of low UV intensity

R Niemi, PJ Martikainen, J Silvola, E Sonninen… - New …, 2002 - Wiley Online Library
• The flux of ultraviolet (UV)‐B radiation to the Earth's surface is increasing, particularly in
high latitudes. We studied the sensitivity of some dominant plant species of boreal and …

[HTML][HTML] Ovarian tumours of different histologic type and clinical stage induce similar changes in lipid metabolism

RJ Niemi, EI Braicu, H Kulbe, KM Koistinen… - British journal of …, 2018 - nature.com
Background Previous results obtained from serum samples of late-stage, high-grade serous
ovarian carcinoma patients showed large alterations in lipid metabolism. To validate and …

Detection of pancreatic cancer by urine volatile organic compound analysis

…, M Venäläinen, H Helminen, R Niemi… - Anticancer …, 2019 - ar.iiarjournals.org
Background/Aim: Most pancreatic cancer patients are diagnosed at an advanced stage,
since the diagnosis is demanding. Field asymmetric waveform ion mobility spectrometry (FAIMS) …

FAIMS analysis of urine gaseous headspace is capable of differentiating ovarian cancer

RJ Niemi, AN Roine, E Eräviita, PS Kumpulainen… - Gynecologic …, 2018 - Elsevier
Aim We hypothesized that field asymmetric waveform ion mobility spectrometry (FAIMS) as
a novel artificial olfactory technology could differentiate urine of women with malignant …

Ozone effects on Sphagnum mosses, carbon dioxide exchange and methane emission in boreal peatland microcosms

R Niemi, PJ Martikainen, J Silvola… - Science of the Total …, 2002 - Elsevier
Microcosms of a boreal peatland originating from an oligotrophic fen in Eastern Finland
were fumigated under four ozone concentrations (0, 50, 100 and 150 ppb O 3 ) in laboratory …

[HTML][HTML] Reliability of preoperative evaluation of postmenopausal ovarian tumors

RJ Niemi, SK Saarelainen, TH Luukkaala… - Journal of Ovarian …, 2017 - Springer
Background Preoperative evaluation of ovarian tumors is challenging. This study was
undertaken to evaluate the performance of conventional two-dimensional (2D) ultrasound and …

Vulvodynia—younger age and combined therapies associate with significant reduction in self-reported pain

…, S Vuoristo, H Tuomaala, RJ Niemi… - Journal of Lower …, 2017 - journals.lww.com
Objectives Eight percent of women have vulvodynia (VD), a chronic pain disorder with
unknown etiology. The aim of our study was to assess the efficacy of given VD treatments …

[PDF][PDF] Sosiaalihuollon priorisoinnin mallit ja etiikka asiakastyön arjessa

P Niemi, R Niemi - Tutkiva sosiaalityö, 2023 - jyx.jyu.fi
Priorisointi tarkoittaa asioiden tärkeysjärjestykseen asettamista. Se ei suoraan tarkoita
karsimista, vaikka sitä joskus käytetäänkin karsimisen synonyymina. Priorisointi on välttämätön …