Preparation and characterization of Pickering foams by mechanical frothing and emulsion templating
Küçük Resim Yok
Tarih
2024
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Budapest Univ Technol & Econ
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
In this study, Pickering foamed emulsions have been prepared using beta-cyclodextrin (beta-CD), and d-limonene as a surfactant and an oil phase, respectively. The incorporation of beta-CD/d-limonene inclusion complexes (ICs) in specific proportions (1:1, 1:3, and 1:5) to water phase, which is a polymer matrix composed of a mixture of polyvinyl alcohol (PVA) and psyllium husk (PSH) by mechanical frothing at high speed, and air bubbles have been formed in oil in water (o/w) emulsions. Ecofriendly bio-based foams have been developed in this method. Scanning Electron Microscope (SEM) analysis showed PVA/PSH Pickering foams usually open porous morphologies and the addition of d-limonene increases the amount of porosity from 43 to 49%. Although the resulting foams indicated similar thermal degradation profile, the presence of d-limonene in foams increased thermal stability. The surfaces of foams have a hydrophilic property with contact angles values lower than 80 degrees. The tensile strength of foams decreased from 170 to 100 kPa due to the increased porosity. All foams indicated antibacterial activity to Staphylococcus aureus (S. aureus) with 9-12 mm zone inhibition. The incorporation of d-limonene into foams surprisingly decreased the cell viability. In brief, our findings show that the Pickering foams can be beneficial for wound healing applications.
Açıklama
Anahtar Kelimeler
Pickering foams, mechanical frothing, emulsion templating, polyvinyl alcohol (PVA), pysillium husk, beta-CD/d-limonene inclusion complexes (ICs)
Kaynak
Express Polymer Letters
WoS Q Değeri
Q3
Scopus Q Değeri
Q2
Cilt
18
Sayı
3
