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AuthorBakhsh, Ahmed
AuthorElobeid, Tahra
AuthorAvci, Esra
AuthorDemirci, Mehmet
AuthorTaylan, Osman
AuthorOzmen, Duygu
AuthorMeral, Raciye
AuthorYilmaz, Mustafa Tahsin
Available date2022-08-28T10:33:59Z
Publication Date2021-11-01
Publication NameEmerging Materials Research
Identifierhttp://dx.doi.org/10.1680/jemmr.20.00282
CitationBakhsh, A., Elobeid, T., Avci, E., Demirci, M., Taylan, O., Ozmen, D., ... & Yilmaz, M. T. (2021). A tracer microrheology for determination of viscoelasticity of dilute ovalbumin colloids. Emerging Materials Research, 11(1), 98-104.
ISSN20460147
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85120690639&origin=inward
URIhttp://hdl.handle.net/10576/33458
AbstractThis study seems to be the first effort to determine the viscoelastic properties of dilute ovalbumin colloids using dynamic-light-scattering-based optical microrheology using carboxylated melamine microparticles as the tracer probe. A generalized form of the Stokes-Einstein equation constructed based on Laplace transformation of the mean square displacement, 〈Δr 2(t)〉, was employed to compute the viscoelastic moduli (storage modulus, G′, and loss modulus, G″). 〈Δr 2(t)〉 was determined to increase with time by reaching a maximum plateau at a time between 10-3 and 10-1 s with no further increase, revealing the elastic nature of dilute ovalbumin colloids within the given time. On the other hand, ovalbumin colloids exhibited different viscoelastic properties at two different frequency ranges. The measurements and interpretation of data revealed that the technique used seems to ensure a fast and effective method for measuring the viscoelastic properties of ovalbumin colloids at very low concentration levels.
Languageen
PublisherICE Publishing
Subjectmolecular properties
rheology
thermal properties
TitleA tracer microrheology for determination of viscoelasticity of dilute ovalbumin colloids
TypeArticle
Pagination98-104
Issue Number1
Volume Number11
ESSN2046-0155
dc.accessType Abstract Only


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