Abstract is not available

PURPOSE: To evaluate the use of x-ray imaging performed with a high-power laser system in biologic and medical studies. MATERIALS AND METHODS: A compact terawatt laser system based on chirped pulse amplification in titanium-doped sapphire was used. X rays were generated by irradiating a high-atomic-number target (tantalum). RESULTS: When photons with an energy below 10 keV were removed with use of

This work concerns experimental and numerical studies of pressure drop and heat transfer for turbulent flow inside a U-duct and in particular the bend part. Such duct geometries can be found in many engineering applications where cooling air extracts heat from hot internal walls of the duct, e.g., passage cooling inside gas turbine blades. The details of the duct geometry were as follows: the cros

This chapter explores the expansion of the Tupian peoples across greater Amazonia to better understand the mechanisms and processes of cultural and linguistic contact and change. Tupian languages are or were spoken among indigenous groups distributed from the Brazilian Atlantic coast through Paraguay to the eastern Andean slopes of Peru. The investigation uses GIS (Geographical Information Systems

The region of neutron-rich nuclei beyond 208Pb has been very difficult to explore due to its high mass and exoticity. However, recent experimental improvements allowed one to perform a quite extended isomer decay spectroscopy of these nuclei.

Artikeln presenterar resultat från en enkätundersökning bland 2000 personer bosatta i Sverige. I enkäten ställdes bland annat frågor om synen på förhållandet mellan naturvetenskap och religion. Resultaten ger vid handen att man uppfattar naturvetenskap och religion som kompletterande varandra, och att denna uppfattning är vanligare med högre utbildning. Uttalade ateister uppfattar i hög utsträckni

Abstract Retroperitoneal ectopic pregnancies are extremely rare and a diagnostic and therapeutic challenge as an early diagnosis is difficult and all treatments entail a risk for severe bleeding. We present a case of a live completely retroperitoneal ectopic pregnancy in the right obturator fossa. Following 3D color Doppler vaginal ultrasonography to evaluate the relation to larger blood vessels t

In an earlier study, infection of human pancreatic islets with epidemic strains of echovirus (E4, E16, E30), with proven but differently ability to induce islet autoimmunity, resulted either in a severe damage (i.e. E16 and E30) or proceeded without visible changes in infected islets (i.e. E4). In this study, the ability of these strains to replicate in beta cells and the consequence of such an in

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We consider a MIMO system where error-prone feedback from the receiver is used by the transmitter to select a single optimum antenna to transmit data. Such error-prone feedback is common in the bandwidth-limited real systems, and is in marked contrast with the idealizations assumed in the selection literature. We show how the signaling assignment, which maps the antenna indices to the codewords th

Objectives. To investigate autonomic dysfunction (AD) development in patients with primary SS (pSS) and the associations between AD and clinical, inflammatory and serological features of pSS. Methods. Twenty-seven patients with pSS, who had previously been evaluated for AD, were included in the study. The patients were studied at baseline and at follow-up by objective autonomic reflex tests (ARTs)

Thrombomodulin gene (THBD) is a critical cofactor in protein C anticoagulant system. THBD c.1418C>T polymorphism is reported to be associated with higher risk of primary venous thromboembolism (VTE) but its role in VTE recurrence is unknown. The aim of this study was to investigate the role of THBD polymorphism in VTE recurrence. THBD c.1418C>T polymorphism was genotyped by using Taqman polymerase