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Article
Phenomena in the High-Latitude Ionospheric F Region Induced by a HF Heater Wave at Frequencies Near the Fourth Electron Gyroharmonic
We present the results of multi-instrument studies of the phenomena in the high-latitude ionospheric F region stimulated by high-power HF O-mode radio waves injected towards the magnetic zenith when the ratio ...
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Article
Suppression of proinvasive RGS4 by mTOR inhibition optimizes glioma treatment
An essential mode of acquired resistance to radiotherapy (RT) appears to be promotion of tumor cell motility and invasiveness in various cancer types, including glioblastoma, a process resembling ‘evasive resi...
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Article
Widersprüchliche Bewertungen der PROGRESS-Studie
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Article
Substitution mit Mineralstoffen und Spurenelementen Eisen, Zink und Selen
Die vorliegende Übersicht will für einige klinisch relevante und intensiv diskutierte Mineralstoffe die biologischen Wirkungen, die häufigen Indikationen zur Substitution, die klinischen Symptome von Mangelzus...
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Article
Changes in Calcaneal Trabecular Bone Structure Assessed with High-Resolution MR Imaging in Patients with Kidney Transplantation
The purpose of this study was to use high-resolution magnetic resonance (HR-MR) imaging to analyze the trabecular bone structure of the calcaneus in patients before and after renal transplantation and to comp...
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Article
Die medikamentöse Therapie der arteriellen Hypertonie Was zeigen neue Interventionsstudien?
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Article
Increased membraneous calcium concentrations in primary hypertension: a causal link to pathogenesis?
Background: Disturbance in calcium metabolism has been suggested in the pathogenesis of hypertension, however, membrane calcium content in humans has not been studied in detail yet in primary hypertension. We com...
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Article
Alterations of plasma calcium and intracellular and membrane calcium in erythrocytes of patients with pre-eclampsia
Background: Changes in plasma and intracellular calcium levels have been suggested in the pathogenesis of pre-eclampsia, however, membrane calcium content has not been studied so far. We compared intracellular an...
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Article
Bedeutung eines intakten Magnesiumhaushalts
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Article
Studies on cardiac sympathovagal balance and large artery distensibility in patients with untreated essential hypertension
Background: Power spectral analysis of heart rate variability and arterial distensibility are non-invasive measures of cardiac autonomic modulation and mechanical vessel wall properties, respectively. The aim of ...
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Article
A longitudinal study of vessel wall properties in normotensive and hypertensive renal transplant recipients
The mechanisms responsible for reduced arterial distensibility in renal transplant recipients remain to be evaluated. The present longitudinal study was aimed to evaluate the effect of hypertension on the evol...
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Article
Optical tomography of the aurora and EISCAT
Tomographic reconstruction of the three-dimensional auroral are emission is used to obtain vertical and horizontal distributions of the optical auroral emission. Under the given experimental conditions with a ...
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Article
A gas-lens telescope
A GAS lens is capable of focusing light if the temperature, and therefore refractive index, of a gas is made to vary across an optical aperture in a suitable manner. Practical applications of gas lenses were p...
