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Characteristic Properties and Applications of Fine Particles in Biomass Gasification

Popular Abstract in Swedish Many of the energy needs in today’s modern society are fulfilled by sources based on fossil fuels, including non-domestic oil and coal. It is well known that the increase in CO2 emission is the result of human activities, mostly fossil fuel consumption. The use of such fuels is unsustainable and has led to the phenomena such as climate change, political instability in sThe gasification of biomass is a promising route to increase the share of renewable sources in the energy mix. Besides having an overall higher thermal efficiency than combustion, it also offers the possibility of producing gaseous and liquid biofuels that can be used in the transport sector. The use of biomass gasification for energy purposes can help lower the net emissions of greenhouse gases,

Double helicity asymmetry in inclusive midrapidity pi(0) production for polarized p+p collisions at root s=200 GeV

We present a measurement of the double longitudinal spin asymmetry in inclusive pi(0) production in polarized proton-proton collisions at roots=200 GeV. The data were taken at the Relativistic Heavy Ion Collider with average beam polarizations of 0.27. The measurements are the first in a program to study the longitudinal spin structure of the proton, using strongly interacting probes, at collider

Inflammation and neutrophil recruitment in healing of colonic anastomosis

Popular Abstract in Swedish Förmågan hos levande vävnader att läka skador är en basal faktor för överlevnad och utgör grundförutsättningen för all kirurgisk verksamhet. Det finns lokala skillnader beträffande celltyper och tidsförlopp, men mycket talar för att sårläkningsprocessen är principiellt likartad i alla vävnader. Sårläkning indelas i olika faser, varav den första utgöres av en inflammatorWound healing is a multistep process with an initial inflammatory response, followed by synthesis of extracellular matrix components and finalized by a repair phase. One main goal was to determine the impact and adhesive mechanisms of neutrophil recruitment in anastomotic healing in the colon. Passive immunization against CD18 abolished anastomotic accumulation of neutrophils, whereas no effect on

Interactions of Anticancer Active Platinum(II) Complexes with DNA

Popular Abstract in Swedish I dag används cellhämmande medel, cytostatika, ofta i kombination med andra metoder för behandling av vissa typer av cancer. Cytostatika kan bota t.ex. leukemi, testikel- och lymfkörtelcancer, eller lindra symtomen och förlänga livet vid t.ex. småcellig lungcancer. En grupp av cytostatika utgörs av metallkomplex där metallen är platina (Pt). Upptäckten av en sådan förenThe kinetics and mechanism for interactions of the anticancer active platinum(II) complexes cis-[PtCl2(NH3)2)], cis-[PtCl2(NH3)(c-C6H11NH2)], and trans-[PtCl2-(NH3)(quinoline)] with DNA have been studied using a combination of HPLC, circular dichroism (CD), UV/vis spectroscopy, and differential scanning calorimetry (DSC). Reactions of the monoaqua forms (charge = +1) of these complexes with single

On the Application of Surface Wave Surveys for Seismic Site Response Evaluation

Popular Abstract in English The work presented here is about methods that will enable more precise estimates of soil and rock parameters related to seismic hazard mapping, in particular when resources are limited. This will allow for evaluating the seismic risk in countries where earthquakes are frequent and large budgets are not available. Particularly, the study of ground response due to the eneIn sites where earthquakes occur, the use of surface wave methods represents a convenient and effective procedure for soil characterization. In particular, Multichannel Analysis of Surface Wave (MASW) has become a popular tool in many seismic micro-zoning projects. In common practice the active MASW method is implemented using a sledgehammer source and a linear receiver spread. This method is lim

Development of an Ultrasensitive Capacitive DNA-sensor: A promising tool towards microbial diagnostics

Popular Abstract in English A handful of diseases-causing pathogenic microorganisms claim millions of lives worldwide each year, mainly due to limited diagnostic capabilities. The lack of simple, cost-effective, sensitive and rapid on-site diagnostic tools lead to delays in the diagnoses with a subsequent lag in treatment, which in turn can result in serious complications or even loss of lives. Fast and sensitive detection of pathogenic microbial cells is a highly important task in medical diagnostics, environmental analysis and evaluation of food safety. Accordingly, the idea of microorganism identification by the recognition of specific DNA sequence using electrochemical technique is one of the leading researches in the development of diagnostic devices. In other words, it should only

Measurement of single electron event anisotropy in Au plus Au collisions at root s(NN)=200 GeV

The transverse momentum dependence of the azimuthal anisotropy parameter v(2), the second harmonic of the azimuthal distribution, for electrons at midrapidity (vertical bar eta vertical bar < 0.35) has been measured with the PHENIX detector in Au+Au collisions at root s(NN) = 200 GeV. The measurement was made with respect to the reaction plane defined at high rapidities (vertical bar eta vertical

Involvement of Heparan Sulphate Biosynthesis and Turnover in Cell Proliferation. A Novel Role for Nitric Oxide in Recycling of Heparan Sulphate Proteoglycans.

Popular Abstract in Swedish Proteoglykaner (PG), framför allt sådana som bär glykosaminoglykan-sidokedjor av heparansulfat (HS) typ, utgör multifunktionella receptorer på cellytan och i pericellulär matrix hos alla adherenta celler i högre organismer. HS-proteoglykaner är inblandade i många olika cellprocesser, bl.a. koagulation, celltillväxt, och aktivering av enzymer, antienzymer samt bindning tThe present investigation focuses on the role of HS metabolism in cell proliferation. The effect of the HS priming ß-D-xyloside, 2-(6-hydroxynaphthyl)-O-ß-D-xylopyranoside (Xyl-2-Nap-6-OH) on the proliferation of normal and transformed cells was studied. Xyl-2-Nap-6-OH inhibited growth of transformed cells to a significantly greater extent than normal cells. The growth inhibition exerted by the xy

Unsaturated Phase Environmental Processes in MSWI Bottom Ash

Popular Abstract in English Every year, Sweden produces 1.5 million tons of incineration residues from waste to energy plants. Among these residues bottom ash(BA) due to its large volume and good geotechnical quality can be reused as an alternative construction material. However there are some negative environmental impacts of this practice such as leaching of salts and metals to soils and groundwEvery year, Sweden produces 1.5 million tons of incineration residues from waste to energy plants. Among these residues bottom ash(BA) due to its large volume and good geotechnical quality can be reused as an alternative construction material. However there are some negative environmental impacts of this practice such as leaching of salts and metals to soils and groundwater. Environmental processe

Disaster risk management and climate change adaptation in urban contexts: Integration and challenges

Popular Abstract in English Disasters continue to affect urban populations and housing infrastructure. They are intensified by extreme weather events caused by climate change. This situation has made the creation of synergies between climate change adaptation (CCA) and disaster risk management (DRM) urgent. Despite their similarities and the recognised need to unite CCA and DRM efforts, the fieldsAn increasing number of disasters continue to affect urban populations and housing infrastructure. The overwhelming majority of them have been caused by climate-related events. This situation has made the creation of synergies between climate change adaptation (CCA) and disaster risk management (DRM) urgent. Despite the recognised need to unite CCA and DRM efforts, the fields remain separate. Furt

Nest-site attendance and foraging ecology of the Northern Fulmar (Fulmarus glacialis) on the Faroe Islands. Is the Northern Fulmar a useful indicator of ecosystem productivity and pollution?

Popular Abstract in English As far as we know the Northern Fulmar (just referred to as Fulmar from her on), did not start breeding on the Faroe Islands before about 150 years ago. But it has been known by the Faroese for a long time. Mainly as a bad omen and according to folklore fishermen would return home if they encountered Fulmars when out at sea, since they believed it was the bringer of storThe Northern Fulmar (Fulmarus glacialis) is one of the most abundant seabirds in the Northern Hemisphere and the most abundant seabird on the Faroe Islands. Except from a few sporadic observations up until the 1950´s no study has focused on this species on the Faroe Islands. Being considered a significant consumer of marine resources in the Faroese marine ecosystem a closer study of this species´

Common suppression pattern of eta and pi(0) mesons at high transverse momentum in Au plus Au collisions at root SNN=200 GeV

Inclusive transverse momentum spectra of eta mesons have been measured within p(T)=2-10 GeV/c at midrapidity by the PHENIX experiment in Au+Au collisions at root s(NN) = 200 GeV. In central Au+Au the eta yields are significantly suppressed compared to peripheral Au+Au, d+Au, and p+p yields scaled by the corresponding number of nucleon-nucleon collisions. The magnitude, centrality, and p(T) depende

Measurement of transverse single-spin asymmetries for midrapidity production of neutral pions and charged hadrons in polarized p+p collisions at root s=200 GeV

Transverse single-spin asymmetries to probe the transverse-spin structure of the proton have been measured for neutral pions and nonidentified charged hadrons from polarized proton-proton collisions at midrapidity and root s = 200 GeV. The data cover a transverse momentum (pT) range 1.0-5.0 GeV/c for neutral pions and 0.5-5.0 GeV/c for charged hadrons, at a Feynman-x value of approximately zero. T

Single electrons from heavy-flavor decays in p + p collisions at root s=200 GeV

The invariant differential cross section for inclusive electron production in p+p collisions at root s=200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.4 <= p(T) <= 5.0 GeV/c in the central rapidity region (vertical bar eta vertical bar <= 0.35). The contribution to the inclusive electron spectrum from semileptonic d

Deuteron and antideuteron production in Au+Au collisions at root s(NN)=200 GeV

The production of deuterons and antideuterons in the transverse momentum range 1.1 < p(T)< 4.3 GeV/c at midrapidity in Au+Au collisions at root s(NN) = 200 GeV has been studied by the PHENIX experiment at RHIC. A coalescence analysis, comparing the deuteron and antideuteron spectra with that of proton and antiproton, has been performed. The coalescence probability is equal for both deuterons and a

J/psi production in Au-Au collisions at root s(NN)=200 GeV

First results on charm quarkonia production in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The yield of J/psi's measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au-Au reactions at roots(NN) = 200 GeV is analyzed as a function of collision centrality. For this analysis we have studied 49.3x10(6) minimum bias Au-Au reactions

Production of phi mesons at midrapidity in root S-NN=200 GeVAu+Au collisions at relativistic energies

We present the results of phi meson production in the K+K- decay channel from Au+Au collisions at root s(NN) =200 GeV as measured at midrapidity by the PHENIX detector at Brookhaven National Laboratory's Relativistic Heavy Ion Collider. Precision resonance centroid and width values are extracted as a function of collision centrality. No significant variation from the Particle Data Group accepted v

Interaction between cyclists and right turning motor vehicles at signalised intersections : Field observations and interviews with cyclists

The aim of the study presented in this report was to investigate what cues cyclists use to interpret the intention of motor vehicles (MVs) they interact with. This was done with help of on-site observations of cyclists’ interactions with motor vehicles (MV) at signalised intersections with different bicycle infrastructure facilities: A) no dedicated cycle facility, B) cycle lane and C) cycle path.The aim of the study presented in this report was to investigate what cues cyclists use to interpret the intention of motor vehicles (MVs) they interact with. This was done with help of on-site observations of cyclists’ interactions with motor vehicles (MV) at signalised intersections with different bicycle infrastructure facilities: A) no dedicated cycle facility, B) cycle lane and C) cycle path.

Geochronology of impact structures - constraining syn- and post-impact processes using the 40Ar/39Ar and U-Pb techniques

The discovery, at the beginning of the 20th century, that elements can transform into other elements, due to the spontaneous decay of an instable to a stable atomic nuclei, gave rise to a powerful source for age information in many fields of earth science. For impact structures, it is crucial to establish well-defined and precise ages in order to understand how impact events affect the Earth’s geoThe discovery, at the beginning of the 20th century, that elements can transform into other elements, due to the spontaneous decay of an instable to a stable atomic nuclei, gave rise to a powerful source for age information in many fields of earth science. For impact structures, it is crucial to establish well-defined and precise ages in order to understand how impact events affect the Earth’s geo