PURPOSE: Although a wide variety of recognized pathogens can cause community-
acquired pneumonia, in many patients the etiology remains unknown after routine …

Background Community-acquired pneumonia frequently constitutes a nonsevere infection
manageable at home. However, for these low-risk episodes, the epidemiological features …

BACKGROUND Streptococcus pneumoniae is the leading cause of community acquired
pneumonia; however, only a small proportion of cases can be detected by conventional …

Although initial presentation has been commonly used to select empirical therapy in patients
with community-acquired pneumonia (CAP), few studies have provided a quantitative …

Study objective: Streptococcus pneumoniae is the most frequent causative agent of
community-acquired pneumonia (CAP); however, an etiologic diagnosis by traditional …

Vapor phase furfural hydrogenation has been investigated over Cu supported on SBA-15
silica catalysts. These SBA-Cu catalysts, with variable Cu loadings (8, 15 and 20 wt%), have …

Acetalization is a viable method to protect carbonyl functionalities in organic compounds
and offers a potential synthetic strategy for synthesizing derived chemicals. In this work …

The acid-catalyzed dehydration of d-xylose to furfural has been investigated in a biphasic
water–toluene system, using a mesoporous Nb 2 O 5 catalyst prepared by a neutral …

This work investigates the use of calcined calcium zincate as solid base catalyst for the
methanolysis of sunflower oil to FAME (biodiesel). The precursor and catalyst were …

Study objective To evaluate the safety and efficacy of transthoracic aspiration with an
ultrathin needle in the microbiologic diagnosis of pulmonary infections in HIV-infected …