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New development of beta-chitosan from jumbo squid pens (Dosidicus gigas) and its structural, physicochemical, and biological properties, New development of β-chitosan from jumbo squid pens (Dosidicus gigas) and its structural, physicochemical, and biological properties

Creator:

Jung, Jooyeoun

Abstract:

β-chitin/chitosan extracted from newly utilized jumbo squid (Dosidicus gigas) pens were investigated in respect to their physicochemical properties, polymeric structures, deacetylation and depolymerization characteristics, and antioxidant and antibacterial activities. These functional properties were further compared with α-chitin/chitosan prepared from shrimp shells. Due to the low mineral content (< 1%) and...

Resource Type:

Dissertation

Full Text:

-Chitin toward Solvents and the Relationship with its Polymorphic Structure: To extract chitosan from
Model systems for structural investigations into peroxiredoxin catalysis, conformation change, and inactivation

Creator:

Perkins, Arden

Abstract:

Peroxiredoxin (Prx) enzymes catalyze the reduction of hydrogen peroxide, peroxynitrous acid, and organic peroxides, and are extremely efficient peroxidases, with k[subscript cat]/K[subscript M] on the order of 10⁷ - 10⁸ M⁻¹ s⁻¹. Besides their role in oxidative stress defense, evidence has accumulated that some eukaryotes, including humans, use Prxs as...

Resource Type:

Dissertation

Full Text:

for the degree of Doctor of Philosophy in Biochemistry & Biophysics presented on March 13, 2015

ScholarsArchive@OSU

New development of beta-chitosan from jumbo squid pens (Dosidicus gigas) and its structural, physicochemical, and biological properties, New development of β-chitosan from jumbo squid pens (Dosidicus gigas) and its structural, physicochemical, and biological properties

Model systems for structural investigations into peroxiredoxin catalysis, conformation change, and inactivation

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