| cytotoxic and antimicrobial benzophenones from the leaves of tovomita longifolia. | bioassay-guided fractionation of the chloroform and ethanol extracts of tovomita longifolia leaves using cytotoxic and antimicrobial assays resulted in the isolation of four new benzophenones, (e)-3-(2-hydroxy-7-methyl-3-methyleneoct-6-enyl)-2,4,6-trihydroxybenzophenone (1), (e)-3-(6-hydroxy-3,7-dimethylocta-2,7-dienyl)-2,4,6-trihydroxybenzophenone (2), 8-benzoyl-2-(4-methylpenten-3-yl)chromane-3,5,7-triol (3), and 5-benzoyl-1,1,4a-trimethyl-2,3,4,4a,9,9a-hexahydro-1h-xanthene-6,8-diol (4), and ... | 2006 | 16562847 |
| [10 years of nosocomial infections at the santo tomás hospital]. | the incidence of nosocomial urinary tract infections (uti) in the medical services of santo tomás hospital from 1980 to 1985 was 56% in neurology section, 73% in cardiology and 74% in nephrology. these percentages declined, with epidemiological surveillance, to 21%, 31% and 53% respectively, for the period between 1986 and 1990. in the surgical services the incidence of nosocomial uti was 85% in urology and 15% in general surgery, from 1980 to 1985. the incidence remained unchanged in urology (8 ... | 1993 | 8475335 |
| pediatric osteomyelitis in panama. | two hundred forty-one children who had osteomyelitis during a 19-year period, 1974 through 1992, were identified by chart review. acute osteomyelitis or chronic osteomyelitis was the diagnosis for 221 (92%) and 20 (8%) of the children, respectively. bacteriologic etiology was documented in 137 (57%) of the cases. staphylococcus aureus, pseudomonas aeruginosa, salmonella species organisms, and haemophilus influenzae type b were isolated from 97 (40%), 10 (4%), 8 (3%), and 7 (3%) of the children, ... | 1994 | 7986907 |
| [multiresistant pseudomonas aeruginosa in saint thomas hospital]. | | 1986 | 3749541 |
| 3-farnesyl-2-hydroxybenzoic acid is a new anti-helicobacter pylori compound from piper multiplinervium. | a new prenylated salicylic acid derivative, 3-farnesyl-2-hydroxy benzoic acid (1), was isolated from the leaves of piper multiplinervium c. dc. (piperaceae). it showed anti-helicobacter pylori activity (mic 37.5 microg/ml) and antimicrobial activity at mics between 2.5 and 5 microg/ml against staphylococcus aureus, escherichia coli, klebsiella pneumoniae, mycobacterium smegmatis, pseudomonas aeruginosa and candida albicans. its structure was elucidated by means of ms, 1h and 13c nmr. the ethnome ... | 2006 | 16266794 |
| [antimicrobial activity of various algae of the panamanian atlantic coast]. | the methanolic extracts in 5 of 7 alagae from the atlantic coast of panama: caulerpa racemosa, halimeda opuntia, gelidiela acerosa, laurencia papillosa y acanthophora spicifera, showed antimicrobial activity against staphylococcus aureus and bacillus subtilis in a concentration of 50 mg/ml by the cylinder plate method. none of the algae studies showed activity against escherichia coli, pseudomonas aeruginosa, aspergillus niger and candida albicans. the content of agar in acanthophora spicifera w ... | 1991 | 2024058 |