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The distribution of tryptophanase was studied. The highest observed specific activity, mumoles per minute per milligram (dry weight) cells, is given in parentheses after each species. Tryptophanase was inducible and repressible in Escherichia coli (.914), Paracolobactrum coliforme (.210), Proteus vulgaris (.146), Aeromonas liquefaciens (.030), Photobacterium harveyi (.035), Sphaerophorus varius...
RESULTS. Almost 600 patients were randomized to each treatment arm. Almost 75% of patients had a least 1 episode of asthma, with almost half of patients culminating in an exacerbation. No significant difference was seen between groups in the number of episodes leading to asthma exacerbations. Daily montelukast reduced symptoms over the 12-day treatment period of asthma episodes compared with pl...
The toxicity of dose-intensive regimens used for Burkitt lymphoma prompted modification of cyclophosphamide, vincristine, doxorubicin, high-dose methotrexate/ifosfamide, etoposide, and high-dose cytarabine (CODOX-M/IVAC) for HIV-positive patients. We added rituximab, reduced and/or rescheduled cyclophosphamide and methotrexate, capped vincristine, and used combination intrathecal chemotherapy. ...
Aims. We present early optical spectroscopy of the afterglow of the gamma-ray burst GRB 060206 with the aim of determining the metallicity of the GRB absorber and the physical conditions in the circumburst medium. We also discuss how GRBs may be important complementary probes of cosmic chemical evolution. Methods. Absorption line study of the GRB afterglow spectrum. Results. We determine the re...
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