Transverse mass and rapidity distributions for charged pions, charged kaons, protons, and antiprotons are reported for square root of [sNN]=200 GeV pp and Au+Au collisions at Relativistic Heary Ion Collider (RHIC). Chemical and kinetic equilibrium model fits to our data reveal strong radial flow and long duration from chemical to kinetic freeze-out in central Au+Au collisions. The chemical freeze-out temperature appears to be independent of initial conditions at RHIC energies.
The method of magnetic neutron capture therapy (MNTC) of cancer can be described as a combination of two methods: the targeted delivery of drugs using magnetic carriers and the proper neutron capture therapy which consists in tumor irradiation with thermal neutrons following the delivery of 10 B compounds to the tumor site. Two-component ultradispersed particles containing Fe and C were tested as magnetic adsorbents of boron phenylalanine and borax. The quantities of absorbed borax proved sufficient for high concentration of boron atoms at the tumor site. The kinetics of boron release to saline substantiates the application of Fe-B (10%) ultradispersed particles for efficient MNTC. Both particle types have high magnetization and magnetic homogeneity, can form stable magnetic suspensions, and have low toxicity.
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