5,765 research outputs found
Therapies used in rheumatology with relevance to coronavirus disease 2019
info:eu-repo/semantics/publishedVersio
Fungos gasteroides no Rio Grande do Sul, Brasil: Arachnion e Disciseda (Lycoperdaceae)
Fungos gasteroides no Rio Grande do Sul, Brasil: Arachnion e Disciseda (Lycoperdaceae)
Dengue epidemic in Belém, Pará, Brazil, 1996-97.
We describe clinical and epidemiologic findings during the first epidemic of dengue fever in Belém, Pará State, Brazil, in 1996-97. Of 40,237 serum samples, 17,440 (43%) were positive for dengue by virus isolation or serologic testing. No hemorrhagic cases or deaths were reported. Mycobacterium tuberculosi
Resonant electron heating and molecular phonon cooling in single C junctions
We study heating and heat dissipation of a single \c60 molecule in the
junction of a scanning tunneling microscope (STM) by measuring the electron
current required to thermally decompose the fullerene cage. The power for
decomposition varies with electron energy and reflects the molecular resonance
structure. When the STM tip contacts the fullerene the molecule can sustain
much larger currents. Transport simulations explain these effects by molecular
heating due to resonant electron-phonon coupling and molecular cooling by
vibrational decay into the tip upon contact formation.Comment: Accepted in Phys. Rev. Let
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