| life in darwin's dust: intercontinental transport and survival of microbes in the nineteenth century. | charles darwin, like others before him, collected aeolian dust over the atlantic ocean and sent it to christian gottfried ehrenberg in berlin. ehrenberg's collection is now housed in the museum of natural history and contains specimens that were gathered at the onset of the industrial revolution. geochemical analyses of this resource indicated that dust collected over the atlantic in 1838 originated from the western sahara, while molecular-microbiological methods demonstrated the presence of man ... | 2007 | 17956563 |
| resistance to third-generation cephalosporins in barbados. | resistance to third-generation, or extended-spectrum, cephalosporins caused by induction of class i beta-lactamases has been reported rarely from developing countries. seven isolates of cephalosporin-resistant gram-negative rods were recovered recently from urine, burns and ulcers in the queen elizabeth hospital, barbados. the isolates were identified as acinetobacter calcoaceticus (2), citrobacter freundii (1), enterobacter cloacae (1), morganella morganii (1), providencia stuartii (1) and prot ... | 1993 | 8367967 |