Andrei T Matveev

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Nanoparticles (NPs) have a great potential as nanosized drug-delivery carriers. Such systems must safely deliver the drug to the site of the tumor without drug leakage, effectively penetrate inside cancer cells, and provide intracellular drug release. Herein we developed an original and simple method aimed at the fabrication of spherical boron nitride NPs(More)
Epidural analgesia (EA) with dicaine and morphine has been compared in 34 patients with pain syndrome caused by degenerative dystrophy of lumbar vertebrae. The advantages of EA with dicaine have been observed. 35.3% of patients have been subject to surgery. In the rest of patients pain syndrome was relieved. Radionuclide epidurography has shown that the(More)
A prolonged blockade of the brachial plexus by a subclavicular approach was performed in a 22-year-old patient with combined trauma and severe pain in the left arm. The administration of 20 ml of a 0.3% dicaine solution through a catheter led to spinal anesthesia accompanied by the development of transient hemodynamic and respiration disturbances, which(More)
Anisotropic penetration of magnetic flux in MgB(2) films grown on vicinal sapphire substrates is investigated using magneto-optical imaging. Regular penetration above 10 K proceeds more easily along the substrate surface steps, the anisotropy of the critical current being 6%. At lower temperatures the penetration occurs via abrupt dendritic avalanches that(More)
The literature data has been analysed to evaluate the efficacy of the methods of regional analgesia (RA) in closed chest trauma. Various types of blocks are described. Epidural analgesia with local anaesthetics and narcotics is detailed. Epidural electrostimulation and introduction of drugs affecting the endogenous systems are shown to show good promises.