Background - Prostate cancer tissues are inherently heterogeneous, which presents a challenge for metabolic profiling using traditional bulk analysis methods that produce an averaged profile. The aim of this study was therefore to spatially detect metabolites and lipids on prostate tissue sections by using mass spectrometry imaging (MSI), a method that facilitates molecular imaging of heterogeneous ...

In this study, cuticular wax load, its chemical composition, and biosynthesis, was studied during development of wild type (WT) bilberry fruit and its natural glossy type (GT) mutant. GT fruit cuticular wax load was comparable with WT fruits. In both, the proportion of triterpenoids decreased during fruit development concomitant with increasing proportions of total aliphatic compounds. In GT fruit, ...

Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord in Northern Norway based on monthly sampling between November 2018 and February 2020. We combined traditional morphological zooplankton identification with DNA metabarcoding of a 313 ...

The ArcLight observatory provides hourly continuous time series of light regime data (intensity, spectral composition, and photoperiod) from the Arctic, Svalbard at 79° N. Until now, no complete annual time series of biologically relevant light has been provided from the high Arctic due to insufficient sensitivity of commercial light sensors during the Polar Night. We describe a camera system providing ...

Cydippid ctenophores of genus Euplokamis have been rarely reported from the north-east Atlantic in the scientific literature. The conspicuous lack of previous records is likely attributable to methodological constraints detrimental to sampling ctenophores, including the use of plankton nets and preservation of samples as well as poor identification literature and a lack of taxonomic expertise on ...

Within this paper the ISO 12494 assumption of standard of slowly rotating reference collector under ice accretion has been tested. This concept, introduced by (Makkonen, 1984), suggests that the power line cables, which are the basis of the “reference collector” in the ISO framework, are slowly rotating under ice load, due to limited torsional stiffness. For this purpose, several Computational Fluid ...

The ~2.22–2.06 Ga Lomagundi Event was the longest positive carbon isotope excursion in Earth’s history and is commonly interpreted to reflect perturbations in continental weathering and the phosphorous cycle. Previous models have focused on mechanisms of increasing phosphorous solubilization during weathering without focusing on transport to the oceans and its dispersion in seawater. Building from ...

Spanskesyken er estimert til å ha tatt livet av mellom 50 og 100 millioner mennesker. Tidligere forskning har vist at hvor dødelig denne pandemien var, varierte mye mellom folkegrupper og geografiske områder. I denne oppgaven er det sett nærmere på individdata for mortaliteten i Kautokeino og Karasjok under spanskesyken årene 1918-20. Aldersfordelingen av dødeligheten er undersøkt med utgangspunkt ...

Denne masteroppgaven omhandler fornorskningspolitikken i skolen i perioden 1935-1963. Det undersøkes hvordan den pedagogiske vitenskapen og det politiske regimet fra midten av 1930-tallet utformet og planla et omslag i fornorskningspolitikken i den språkblandede skolen. Margrethe Wiigs samiske abc-bok (utgitt 1951) brukes for å synliggjøre sammenhengene mellom vitenskapen og politikken samtidig som ...

Is people’s willingness to implement their fairness views on a group dependent on how many in the group share their view? We designed a new experiment to answer this question. Spectator participants were asked how many other participants they believe share their view of whether it is fair to redistribute income in a work task. They were then given the option to pay two cents to implement the ...