158 research outputs found

    Rovibrationally resolved photodissociation of HeH+

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    Accurate photodissociation cross sections have been obtained for the A-X electronic transition of HeH+ using ab initio potential curves and dipole transition moments. Partial cross sections have been evaluated for all rotational transitions from the vibrational levels v"=0-11 and over the entire accessible wavelength range 100-1129 Angstrom. Assuming a Boltzmann distribution of the rovibrational levels of the X state, photodissociation cross sections are presented for temperatures between 500 and 12,000 K. A similar set of calculations was performed for the pure rovibrational photodissociation in the X-X electronic ground state, but covering photon wavelengths into the far infrared. Applications of the cross sections to the destruction of HeH+in the early Universe and in UV-irradiated environments such as primordial halos and protoplanetary disks are briefly discussed

    How effective is enteroscopy?

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    SCOPUS: cp.jinfo:eu-repo/semantics/publishe

    Enteroliths and Crohn's disease stricture treated by transendoscopic balloon dilation [2]

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    SCOPUS: le.jinfo:eu-repo/semantics/publishe

    Percutaneous endoscopic gastrostomy

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    SCOPUS: cp.jinfo:eu-repo/semantics/publishe

    Hyperammoniemic coma in a patient with ureterosigmoidostomy and normal liver function

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    Hyperammoniemic encephalopathy has been reported after ureterosigmoidostomy. Its development is related to a problem of bacterial overgrowth and, most often, is favored by the presence of an underlying liver dysfunction. We report the case of a 43-year-old woman with a ureterosigmoidostomy done 28 years earlier who developed hyperammoniemic coma induced by an acute rectocolitis and in the absence of any detectable liver dysfunction. Neither administration of Lactilol and neomycin nor rectal tube drainage were effective; systemic antimicrobial therapy effective against the urease-producing gram-negative bacilli was required and led to a decrease in serum ammonia levels and a dramatic clinical improvement.SCOPUS: ar.jinfo:eu-repo/semantics/publishe
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