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MRI thermometry in phantoms by use of the proton resonance frequency shift method: application to interstitial laser thermotherapy

In this work the temperature dependence of the proton resonance frequency was assessed in agarose gel with a high melting temperature (95 degrees C) and in porcine liver in vitro at temperatures relevant to thermotherapy (25-80 degrees C). Furthermore, an optically tissue-like agarose gel phantom was developed and evaluated for use in MRI. The phantom was used to visualize temperature distribution

A quantitative analysis of the N 1s ->pi* photoabsorption profile in N-2: new spectroscopical constants for the core-excited state

The N 1s --> pi* photoabsorption profile of N-2 is quantitatively analysed. New spectroscopical constants for the N 1s(-1) pi* core-excited state are determined from NEXAFS spectra and compared to previously published data. The accuracy of the new spectroscopical constants is discussed and error bars are given for the present data analysis. The goodness of the new spectroscopical constants is demo

Lidar reveals activity anomaly of malaria vectors during pan-African eclipse

Yearly, a quarter billion people are infected and a half a million killed by the mosquito-borne disease malaria. Lack of real-time observational tools for continuously assessing the unperturbed mosquito flight activity in situ limits progress toward improved vector control. We deployed a high-resolution entomological lidar to monitor a half-kilometer static transect adjacent to a Tanzanian village

Vertical test results on ESS medium beta elliptical cavity prototype

The ESS elliptical superconducting Linac consists of two types of 704.42 MHz cavities, medium and high beta, to accelerate the beam from 216 MeV (spoke cavity Linac) up to the final energy of 2 GeV. The last Linac optimization, called Optimus+ [1], has been carried out taking into account the limitations of SRF cavity performance (field emission). The medium and high-beta parts of the Linac are co

Maternal and perinatal outcomes with COVID-19 : A systematic review of 108 pregnancies

INTRODUCTION: The pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has exposed vulnerable populations to an unprecedented global health crisis. The knowledge gained from previous human coronavirus outbreaks suggests that pregnant women and their fetuses are particularly susceptible to poor outcomes. The objective of this study was to summarize the clinical manife

Measurement of jet-medium interactions via direct photon-hadron correlations in Au+Au and d+Au collisions at sNN =200 GeV

We present direct photon-hadron correlations in 200 GeV/A Au+Au, d+Au, and p+p collisions, for direct photon pT from 5-12 GeV/c, collected by the PHENIX Collaboration in the years from 2006 to 2011. We observe no significant modification of jet fragmentation in d+Au collisions, indicating that cold nuclear matter effects are small or absent. Hadrons carrying a large fraction of the quark's momentu

Contaminations contaminate common databases

The polymerase chain reaction (PCR) is a very powerful method to detect and identify pathogens. The high sensitivity of the method, however, comes with a cost; any of the millions of artificial DNA copies generated by PCR can serve as a template in a following experiment. If not identified as contaminations, these may result in erroneous conclusions on the occurrence of the pathogen, thereby infla

Separating Protection from the Exigencies of the Criminal Law: Achievements and Challenges under Article 4 of the European Convention on Human Rights

The chapter analyses the obligation upon states to identify migrants as victims of harm falling within the scope of Article 4 ECHR and to extend protection and assistance to them as victims independently from any criminal proceedings and from any actual or potential participation by the victims in any criminal proceedings. More specifically, the questions under investigation are the following: Is

Visits in an intensive care unit-An observational hermeneutic study

Aim: The aim was to interpret the interplay between critically ill patients and their next of kin in an ICU and to disclose a deeper understanding of the visiting situation. Method: A hermeneutic research design with non-participant observation was chosen as the data collection method. Ten observations of 10 patients and 24 loved ones over a 20-h period were conducted. The text describing the obse

A Genealogy of Swedish Psychological Defence : Information Influence as a Shifting Problem for Democratic Governance

Contemporary research observes how foreign information influence present a governing challenge for liberal democratic states. Less attention has been paid to how this governing dilemma emerged in its present form. This article outlines a genealogy of the longstanding Swedish strategy of psychological defence with the aim of tracing historical trajectories of liberal democratic thinking about infor

Tourism green growth through technological innovation

The work seeks to assess the effect of technological innovation on the green growth of tourism across five continental regions using the STochastic estimation of Impacts by Regression on Population, Affluence, and Technology (STIRPAT) model. Employing panel Granger causality tests, panel vector autoregression, impulse response functions, and forecast error variance decomposition, the research reve

Ge oss ett strukturerat men flexibelt stöd! En kvalitativ undersökning om familjehemsföräldrars upplevelser av stöd: sett ur ett utvecklingsekologiskt perspektiv

The purpose of this study was to examine how the foster parent's need of support is provided. The study was built upon a qualitative method with interviews with ten foster parents. More specifically, its aim was too find out how the foster parents themselves looked upon how their need of support, and from whom the support was provided. According to the law, it is the social services obligation