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All the isolates tested were efficient biofilm-forming strains in the microtiter plate assay, with crystal violet staining (OD<sub>595nm<\/sub>) ranging from 0.13 \u00b1 0.01 for <i>P. stuartii<\/i> ER21870 to 1.23 \u00b1 0.02 for <i>P. vulgaris<\/i> ER50120. The biofilm formation of the majority of the strains was affected in the presence of ceftazidime or ciprofloxacin: biofilm formation significantly decreased for all the <i>E. coli<\/i> and <i>P. vulgaris<\/i> strains in the presence of either of the two antibiotics, it also decreased for <i>M. morganii<\/i> ER89472 in the presence of ceftazidime but increased for <i>P. stuartii<\/i> ER21870 and <i>M. morganii<\/i> ER89472 in the presence of ciprofloxacin. Amikacin decreased only the biofilm formation of <i>P. stuartii<\/i> ER08274. In addition to their antibacterial activity, ceftazidime and ciprofloxacin could be effective in preventing the biofilm formation of <i>E. coli<\/i> and <i>P. vulgaris<\/i>.<\/jats:p>","DOI":"10.1159\/000081947","type":"journal-article","created":{"date-parts":[[2004,11,9]],"date-time":"2004-11-09T07:56:35Z","timestamp":1099986995000},"page":"255-259","source":"Crossref","is-referenced-by-count":11,"title":["Effect of Ceftazidime, Amikacin and Ciprofloxacin on Biofilm Formation by Some Enterobacterial Clinical Isolates"],"prefix":"10.1159","volume":"50","author":[{"given":"Laurent","family":"Bret","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick","family":"Di Martino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"127","published-online":{"date-parts":[[2004,11,22]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1016%2FS0924-8579%2800%2900360-5"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1046%2Fj.1464-410X.2003.04239.x"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1016%2FS1369-5274%2899%2980047-2"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1046%2Fj.1365-2958.1998.01061.x"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1046%2Fj.1462-2920.2000.00128.x"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016%2FS0923-2508%2802%2900004-9"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016%2FS0378-1097%2899%2900347-X"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1128%2FJB.184.12.3406-3410.2002"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1128%2FJB.184.1.290-301.2002"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1139%2Fw02-001"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1139%2Fw03-056"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1016%2F0378-1097%2894%2990419-7"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2F42.6.755"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2F49.2.315"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1128%2FAAC.44.12.3357-3363.2000"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1159%2F000007254"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1016%2FS0924-8579%2800%2900353-8"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1159%2F000239439"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2F45.1.15"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1016%2FS0924-8579%2801%2900469-1"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2Fdkg048"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1007%2Fs100960050150"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1159%2F000239333"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2F48.1.37"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1159%2F000007267"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1159%2F000048541"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1093%2Fjac%2F34.3.331"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1159%2F000239440"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1016%2FS1369-5274%2802%2900325-9"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1159%2F000007224"}],"container-title":["Chemotherapy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/81947","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/81947","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T03:18:09Z","timestamp":1745464689000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000081947"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004]]},"references-count":30,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2004,11,1]]}},"URL":"https:\/\/doi.org\/10.1159\/000081947","archive":["Portico"],"relation":{},"ISSN":["0009-3157","1421-9794"],"issn-type":[{"value":"0009-3157","type":"print"},{"value":"1421-9794","type":"electronic"}],"subject":[],"published":{"date-parts":[[2004]]}}}