Hōʻike kēia ʻatikala i ka hoʻohana ʻana i ka hoʻoheheʻe ʻana i ka plasma pressure pressure e hoʻoulu ai i ka grafting kemikala o ka poly(ethylene glycol) methyl ether methacrylate (PEGMA) ma luna o ka polystyrene (PS) a me ka poly(methyl methacrylate) (PMMA) me ka manaʻo e loaʻa kahi hoʻohālikelike adlayer. kū'ē i ka protein adsorption.Ua hoʻokō ʻia ka mālama plasma me ka hoʻohana ʻana i kahi reactor dielectric barrier discharge (DBD) me ka PEGMA o nā paona molekala (MW) 1000 a me 2000, PEGMA (1000) a me PEGMA (2000), i hoʻopili ʻia i kahi kaʻina hana ʻelua: (1) mau pūʻulu reactive hana ʻia ma ka ʻili polymer a ukali ʻia e (2) nā hopena hoʻohui radical me ka PEGMA.Ua hōʻike ʻia ke kemika o ka ʻili, ka hui ʻana, a me ka topography o ka hopena PEGMA grafted surfaces e X-ray photoelectron spectroscopy (XPS), time-of-flight secondary ion mass spectrometry (ToF-SIMS), a me atomic force microscopy (AFM), kēlā me kēia. .Ua ʻike ʻia nā papa PEGMA i hoʻopaʻa ʻia loa no ka macromolecule 2000 MW PEGMA, DBD i hana ʻia ma ka nui o ka ikehu o 105.0 J/cm(2) e like me ka hōʻike ʻia e nā kiʻi ToF-SIMS.Ua loiloi ʻia ka hopena o ka papa chemisorbed PEGMA ma ka adsorption protein ma ka loiloi ʻana i ka pane ʻana o ka honua i ka bovine serum albumin (BSA) me ka hoʻohana ʻana i ka XPS.Ua hoʻohana ʻia ʻo BSA ma ke ʻano he kumu hoʻohālike e hoʻoholo ai i ka conformation macromolecular grafted o ka papa PEGMA.ʻOiai ua hōʻike nā ʻili PEGMA(1000) i kekahi adsorption protein, ʻike ʻia nā ʻili PEGMA (2000) ʻaʻole e komo i ka nui o ka protein, e hōʻoia ana i ka hoʻohālikelike ʻana o ka ʻili no kahi ʻili nonfouling.
