Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 Study on the structure and properties of wool keratin regenerated from formic acid.

Literature DB >> 17467791

Study on the structure and properties of wool keratin regenerated from formic acid.

A Aluigi¹, M Zoccola, C Vineis, C Tonin, F Ferrero, M Canetti.

Abstract

Structural characteristics of keratin regenerated from water (KW) and from formic (KF) acid solutions were compared. Amino acid composition and molecular weight distribution of KW and KF samples were studied by high performance liquid chromatography (HPLC) and SDS-PAGE electrophoresis. Turbidity measurement showed that keratin dissolved in formic acid forms transparent and stable solutions and no flocculation occurs. In addition, because of its good solvation properties, studied by viscosity measurements, formic acid can be used as a co-solvent to prepare keratin-based blend solutions. Structural studies carried out by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) and near infrared (NIR) suggest that formic acid stabilizes the beta-sheet structure. Thermogravimetric analysis (TGA) reveals a higher thermal stability of keratin regenerated from formic acid with respect to keratin regenerated from water.

Entities: Chemical

Mesh：

Substances：

Year: 2007 PMID： 17467791 DOI： 10.1016/j.ijbiomac.2007.03.002

Source DB: PubMed Journal: Int J Biol Macromol ISSN： 0141-8130 Impact factor: 6.953

Keyword Cloud
Cited

11 in total

1. Cellulose, Chitosan and Keratin Composite Materials: Facile and Recyclable Synthesis, Conformation and Properties.

Authors: Chieu D Tran; Tamutsiwa M Mututuvari
Journal: ACS Sustain Chem Eng Date: 2016-02-08 Impact factor: 8.198

2. Quantitating denaturation by formic acid: imperfect repeats are essential to the stability of the functional amyloid protein FapC.

Authors: Line Friis Bakmann Christensen; Jan Stanislaw Nowak; Thorbjørn Vincent Sønderby; Signe Andrea Frank; Daniel Erik Otzen
Journal: J Biol Chem Date: 2020-07-21 Impact factor: 5.157

Study on the structure and properties of wool keratin regenerated from formic acid.

1. Cellulose, Chitosan and Keratin Composite Materials: Facile and Recyclable Synthesis, Conformation and Properties.

2. Quantitating denaturation by formic acid: imperfect repeats are essential to the stability of the functional amyloid protein FapC.

3. Degradation and regeneration of feather keratin in NMMO solution.

4. Regenerated keratin membrane to match the in vitro drug diffusion through human epidermis.

5. Cellulose, chitosan, and keratin composite materials. Controlled drug release.

6. Tough and Functional Cross-linked Bioplastics from Sheep Wool Keratin.

7. Dog Wool Microparticles/Polyurethane Composite for Thermal Insulation.

8. Comparative Study on Protein-Rich Electrospun Fibers for in Vitro Applications.

9. Presence of β-Turn Structure in Recombinant Spider Silk Dissolved in Formic Acid Revealed with NMR.

10. Anisotropic Composition and Mechanical Behavior of a Natural Thin-Walled Composite: Eagle Feather Shaft.