CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '913511b21e57fd83',cH: 'HG7S3MrVFHRxdWb6XZQkdxRFDTywMKHFuIyMbn3YiaQ-1739787881-1.2.1.1-kRx9mg18MFwHpIht6Ml2QmOgz7B43t9k1L5nti_P.WpmTkOCIhgBy3tZ.6UEYRY2',cUPMDTk: "\/abstracts\/search?q=O-antigen&__cf_chl_tk=y_BcisrDj2l3DkPGeo2u_7UOQUQQrKx9PAFIT1V5O0M-1739787881-1.0.1.1-OKzXjRFY81bUvJkzwz1AV2Zb9fnojwo7I.6Y4hd3JKE",cFPWv: 'b',cITimeS: '1739787881',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=O-antigen&__cf_chl_f_tk=y_BcisrDj2l3DkPGeo2u_7UOQUQQrKx9PAFIT1V5O0M-1739787881-1.0.1.1-OKzXjRFY81bUvJkzwz1AV2Zb9fnojwo7I.6Y4hd3JKE",md: "F.Pay1H8Bhqeb.q8ZR_RrlakNTU31Y2gIeIXGzX.fsY-1739787881-1.2.1.1-RY2N8uv0qXhSCA1HgX4ZqIXvRkQXuxNf6voIaYcwOOvf3DmA8BaAUnv2JWJh_UY1HqhTkDCKmG_5Vt0MHg3G_J.TWGoQA6PdE7OBQ_lJQurSu3kHrhfvme3mwJ.J87AMkaJ1a_HjIEDWTve0RQMbqhBxer9m.3DaZtx1IJzuzPwUQD3VIv.GC7JmcFt0TX21m_jLO7sB_IcSTLX58y7I6IIfCccwEZZZe38coRf1muKkDACbs53RkdOrQ0NyNkSoQkRbkNo.vshBV20gE6yJMrHZMvRURjFYfy5iihw2Y4k3B0ixeZ36..TM0a3.L0ZN73xodmEQ1zG4Jy3BfomT7oOjMqhVknh2Nafok37NV74RpTNAeTPBavU59Zgxko4_WG4ym6uJWcbU.hiZFCGpNH473mYPxXwzeenxtwCsGpPSMFA6YBn_v6bitcdyswn1o0QPwTzOy2T1elx1nSTRhFLsivd7Ucbj_VIczjIlBqLRL1PIH1ZWsePkWRueoaEKJuKXxXRzKy1EvTqdfg4dXXKzoSAB0oDBqb1VOn6foo5_QESMQMWq4tfroYmNIXuVEsxqJ4NmgM52ZSKNBmg0ADr7VSy.P.6AMN6F7WJd1sgW3JFKnjQSyMGGSBQalCnJlCPLmHuD47_OqIRu8W4AGlLoO2lkzlD1L6FThmIhlns5WiuFbG3n6zyTZkahiGwfH_nVh3vDawmqaeUa8Rywaor58dGIFtY1b0PX1NrxlvJfoKiAogcwfmnEHQAw4xMnP2ZmBD8X8891hWPXtkxbFYfRsOe_OIuBPGkL9YIjwUNVe0LPxla6w0PP5wH0nNvnrIFAcU4L96EfxPoo0sJA2pWDf_QrR5SeMs3.Jyds55ySsBicVZ0fNMvncNeNYloFGOj.Myxtk94MaGaN0ufqof_Yy1rdTlz35y3Xt2wk63P4xuOfyg4yeCg9_HF7lcRQlBtfTwoAW5otkvzs1jxXAKI9xretTNLdazxdIy4as8cCazu6Nx_CuMxSuRcDAZ9vpQIoMMAkxmGA4OPHM63.ONOKNFglYRmcT394RVcJqOxJSC9O2G9Xft4gYTVXp.cSXTRyzayNZ7LWw7YbHaRe.Ay633n3X0JnBRvtqI3pQlttsai5IOljajL8ROWGkSWl79NZT5YipBQwTqzWvy5NQwxCsnMDt96Ld7RDmFtMhbRPsRc1JWBl1D2uiJhjuc4iEpKVdvs89j4.lGb_hcuPTWuxrt5Psn3pMc6jA_jguMBsOXdtuQO.HLs81WK9Gr_2h0Fu4d1LLr.NKFroEeKFXq11MfHdWv_Q.TcMMAysHB07kmUAw0CmAhaIXGY85YLNWMbvVGkj60JZ2H1GFLAULHrk49W52dXY4iM3Oge1xbxsA4CC6D4697K48qAyxHWKXiiqnCg.6Pqa21A4ocU7POpyPMVVnc4CBRhz8GggeGkfJWIunNoj1R_pPZ_bIMgiEzo6._H8xDzzGR6Gmq19KDg6_gNnvq5Vr28oMHwJ.MmyBp_CiwYGwMZi_HB8ABVcOY8o2q68hqZ5JSc37Yj5FAIDm49jTTIwWEECElvijmTvZcqcKNUNQXYyCK8935NQ9f0Riij9p7xikePzER_EXWnWeSQKWLTazWSUW.2BkdIdGkfXBtGxDfvip_bJy9K9AVu3doADucl2YJn7o0Pnly_Ahk8jy.0MEq41wHiRM3NAIgjRgzy3.qU3v5aDbCfVxpgqfYd34Box8sCRkRruI7s7R7twzNw9G1EyOjde0x4oQlD1lYSZclDlq1sfIxNB_4A5Y.M64Z8U0oadSeYhPuJQSQn7pQsn_DrW4s.9FzQdJzxQRczcJQmOQ3UjeluGk.76rwH9oFcWDrfnw3Rs5JFjn6I6co91tXIh7GFhzE2CY9QmJhzODxJdjInzQNK2fLNebI.QTSI9Bf2wtQH51Q",mdrd: "hYgTuJgjOV8BG9OG1G6lGQxZEzUx7K8hJdJhMURnR4w-1739787881-1.2.1.1-FY56t2umeM5CpUue3QA95wzHNY1dLCXEzj4BVRydlW8l._CkLehvcER2lUyfL5ihce1sDPfisycPZflzZhn37PJRVw0uFCstq20UaX7phcKVB3zLzt_4Xgazbpu6105bq515qOo2cXfuPGhiExUKjeFgmoHAW7k5btrr3JWVv.MFLm9bSKQtOMJT8rxRWjRB2xdKQM1jch0ocJPWeswHqO6p0QLAgOHB.YFK6X51L0Z1RSV2xZKRWBIexZNa34WWX3wF8LxgwxrDU0sH57tcW05cyOH1Xg0OcSAKeoLpyJ0_u3oOuGsfRwhzydcuh0T8CkbWPH4uqU1f0srjg9vYZ.lu7b5JblhOyMOXbGf3FbeBo3a.ly2M2hljfNfK4V1OcbiiPUW1ouZxnHNo51nWBihpfMCf4LbKBGkcHoIW1GnZLcashWCWyFjyxokVPBkd0hWcjmbvTUSP0A5wyjnz921a3Etvx5crgZZRZq5JOCxezElbpx9Ep1INIpQ.7bAKyT1i17QJ9YCtFNw_5a.5j2TmuBgSFqVIm5hh6xCnVUMC6fpRyIPQX8S9_3JBU8wxQMMdn5EMMivuqeR4w73pqpez7e2AE5_w1vE5tNmpvoKyFXZ6ZO_uRMbdDy8iNBsTK2MInnld71tn_KPum.5e72bPR_nXXikhmPv2TofzWs4pWCb.zOvFXcGptaiZNReXzUvcgivhDt91y7Z4KEVO0nt65CH13hUSDQ7wQPlWfz3FaHsWW7jQY9j0h0NIPMfN6y7ZK5Bv56tb.UvXvzds1zVJUL9bE.KhFSqfU9Lilp2oqM7qMVlnfWg_hyMtuIveD3NVnQVF5lvP_WHpngY724Y0cPZvvjA3FFamgprM_hNUfuQos0mk.p45yWgs_COn.npyZoicSWj.HS9MbpWR4_IvuRllAaAPyItEeV7xMvLy71di54kKZvB.3ujuuWKPLhX8EOxxdrH9hKdH10KOJj_gyhGKuR.SVh1oFqQUX3Xd8XKLf4xuqBKw8JhdpG0yAbNrBOPDyWfMhf0M00mCc2LwD.MkQUgnwO8M4JlopXnQwxt_f_qYGiPzv51DqllQFBayCZFfZrxVQTpvyiOgHS9.cL.pPsHu8oVeX_TwuCzS3ZtX9D0WIsYuiTL2n7.oFpcvH4TlUd9l1QwKFbyiPJSvfgsnrfp55TbPFxzA7Tw410wIQ5qbcQh9h1qVYYxNdVkgE32kaiBQQbMGGz0nBBVBKCMO9miyghnsrzqwHqS1Qiwp4J.mJkRNAAj6cBYIN_Au5bOozyVZk7rJwX.8S9nQglDtsYVdtdOvbXyKfzR_69BbD_a8TDIEceX800TtlQAQM0jFhJ3Upy3Sg_Ti0dcjICD99oB.AWZ7ydiRKUAusjm1vkkReKrL.1FNmo7r4vVswUawjEYkO5mjtbUO7W5mhjlcQp1Xsl4cv6cO48CJwBDbeNEIjzkgc2eBzyPd5Jw6JrzL1ykkb.atZNyRCliFehru_PK.YFpdVV3rJ0oGE6AvwZhwgvV1ZeGh7A_aipzTaYuOwV7ZrIqMYSmVje_vtRXJ8NvJbLG4tKdEXhK2iVeCBixUsfIS86QJhjoancrXsRvw2EZSgufcbBKB7_sQxLF5wVoWHCbxh.7h_ZbN9BOftZ7cxlVBYKe4H0hFWhS.LLkITjPP9Z_KTqobeujy4e_38OWz96oEjJpnXVJqxw.UkbkKiWJph55nd1hRafAWUtd.rUpkqzelJRxDNGfGdx7FmRqjybhTdBgHOwRN7_TDup.JNLREb75lVcjBPwjaO2P7Zh471w3BgZJpv6m8EALeRsQa4fgKq8zo8OqndbhfusrEbBH3S99GNLxXAXmVBQ4qOFo4033BsK_5QrvUOvhcfnnHji7FrJptv6g.XI2j7TrLLzMGp73SzdekcnrfjIuGelE1vGcUI7IVIvWwX.AHfcv.Ys_IopL6qoXcEw0IwV6Ef1YUYVHEDeYe"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=913511b21e57fd83';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=O-antigen&__cf_chl_rt_tk=y_BcisrDj2l3DkPGeo2u_7UOQUQQrKx9PAFIT1V5O0M-1739787881-1.0.1.1-OKzXjRFY81bUvJkzwz1AV2Zb9fnojwo7I.6Y4hd3JKE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>