摘 要: | ![]() TheO-antigenofbacteriacanbeusedasahaptenandvaccine.Preparationofanantigeninv0lvesthesynthesisofacorrespondinghaPtenbearingeithernarrow0rwiderspeci-ficity.Generally,fragmentsofcarbohydratechainsbearingthes0-calledcompleterepeatingunitareemployedashaPtens.Synthesis0foligosaccharides,whichareveryspecificfragments,isatpresentoneoftheimP0rtantaspectsofcarb0hydratechemistry.TheS.marcescensOlOantigenhasbeenisolatedfromtheLPSofthereferencesKain(C.D.C.l287-54)ofS.marcescens.Itsbiol0gicalrepeatun…
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