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Anion ordering transition and Fermi surface electron-hole instabilities in the (TMTSF)ClO and (TMTSF)NO Bechgaard salts analyzed through the first-principles Lindhard response function.
J Phys Condens Matter
February 2020
Laboratoire de Physique des Solides, CNRS UMR 8502, Université de Paris-Sud, Universié Paris-Saclay, 91405 Orsay, France.
The first-principles electron-hole Lindhard response function has been calculated and analyzed in detail for two (TMTSF) X (X = ClO and NO) Bechgaard salts undergoing different anion-ordering (AO) transitions. The calculation was carried out using the real triclinic low-temperature structures. The evolution of the electron-hole response with temperature for both relaxed and quenched salts is discussed.
View Article and Find Full Text PDFResponse to selection while maximizing genetic variance in small populations.
Genet Sel Evol
September 2016
Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Box 1432, Ås, Norway.
Background: Rare breeds represent a valuable resource for future market demands. These populations are usually well-adapted, but their low census compromises the genetic diversity and future of these breeds. Since improvement of a breed for commercial traits may also confer higher probabilities of survival for the breed, it is important to achieve good responses to artificial selection.
View Article and Find Full Text PDFEffect of Motor Imagery on the F-Wave Parameters in Hemiparetic Stroke Survivors.
Ann Rehabil Med
June 2015
Department of Physical Medicine and Rehabilitation and Shiraz Burn Research Centre, Shiraz University of Medical Sciences, Shiraz, Iran.
Objective: To assess the effect of motor imagery, as a rehabilitation method in stroke, on F-wave parameters that undergo changes during upper motor neuron involvement.
Methods: Twenty-one fully conscious hemiparetic stroke survivors with a completely plegic hand (power 0/5) and a minimum interval of 72 hours since stroke were recruited into this study. The mean F-wave latency, amplitude, and persistence in the median and ulnar nerves were measured in both the affected and non-affected sides at rest and in the paretic hand during a mental task.
The aim of this study was to investigate the presence of A-waves in cases referred to our electromyography laboratory with various diagnoses and documentation of electrophysiologic diagnoses with A-waves. In cases where at least 3 motor nerves were analysed, during F response studies, A-waves having stabile latencies and amplitudes from minimum one third of submaximal and supramaximal stimuli were evaluated. Electrophysiologic diagnoses and the related nerves of cases with A-waves were recorded.
View Article and Find Full Text PDFTourniquet-induced enmg changes in arthroscopic anterior cruciate ligament reconstruction. A comparison of low and high-pressure tourniquet systems.
Ann Chir Gynaecol
March 2001
Department of Anaesthesiology and Intensive Care, Kuopio University Hospital, Finland.
Background And Aims: The use of a tourniquet during surgery is associated with a risk of neurological disorders. We compared whether a new tourniquet system using low pressure (250 mmHg) is safer than a standard tourniquet system using higher inflation pressure (350 mmHg).
Materials And Methods: Thirty-one patients (ASA I-II), ages 16-48 years, were studied with ENMG preoperatively and 3 weeks postoperatively following arthroscopic anterior cruciate ligament reconstruction.
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