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Surface modification of albumin/gelatin films gelled on low‐temperature plasma‐treated polyethylene terephthalate plates
Author(s) -
PérezHuertas Salvador,
Terpiłowski Konrad,
TomczyńskaMleko Marta,
Mleko Stanisław
Publication year - 2020
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.201900171
Subject(s) - gelatin , wetting , materials science , polyethylene terephthalate , contact angle , surface modification , biopolymer , surface energy , composite material , plasma , polyethylene , low density polyethylene , chemical engineering , polymer , polymer chemistry , chemistry , organic chemistry , physics , quantum mechanics , engineering
Albumin/gelatin gel (AG) properties are studied with an innovative cold‐plasma‐treatment‐based technique. Gel films are produced in situ on polyethylene terephthalate (PET) plates previously treated by gas (O 2 , air and Ar) cold plasma. After detaching the films from the surface, the contact angles of probe liquids are measured and wettability studied, based upon the induced changes of AG surface free energy. The effect of gelatin concentration in the AG is analysed. Oxygen‐cold‐plasma‐treated PET plates induce outstanding changes in wetting properties. Optical profilometry is used for the characterisation of surface topography. Dynamic oscillatory measurements help check for mesoscopic changes. The latter technique allows shaping of gel sample stiffness. The findings support a new methodology for biomaterials/biopolymer activation when unable to be exposed to the plasma working conditions.