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Biofilms componuntur ex cellulis bacterial ancisis in auto- summatis, matrice polymericae extracellulares.Poly-beta (1,6)-N-acetyl-d-glucosamine (PNAG) maior est matrix biofilm componentis in phylogenetice bacteria diversa.In hoc studio investigavimus proprietates physicas et chemicae matricis PNAG in biofilms productis in vitro per pathogen actinobacillus pleuropneumoniae et pathogeni Staphylococci epidermidis gram-negativae respiratorii porcinae.Effectus PNAG in fluxus fluidi mole determinatur mensurando ratem convection fluidi per biofilms excultis in machinas filtras centrifugas.Rate convection fluidi insigniter altior erat in biofilms excultis coram PNAG-deformibus enzyme dispersin B quam in biofilms excultis sine enzyme, significans PNAG minui molem fluidi fluentis.PNAG onerariis ammonii quaternarii compositi per biofilms etiam chloridi cetylpyridinii (CPC) obstruuntur.Ligamentum of CPC ad biofilms fluidi convectionis ulterioris impeditae et inclusae onerariae azo tingendae Allurae rubrae.Bioactiva CPC a biofilms per curationem cum 1 M sodium chloridi efficaciter elusit.Una, haec inventa suggerunt CPC cum matrice PNAG directe reflecti et eius proprietates physicas et chemicas mutare.Proventus nostri indicant PNAG partes magni momenti habere in moderandis status physiologicis biofilms et ad processuum adiunctorum biofilm-associatorum, sicut resistentia biocidis.