Results 1 to 10 of about 111,831 (341)

Update of the keratin gene family: evolution, tissue-specific expression patterns, and relevance to clinical disorders

open access: yesHuman Genomics, 2022
Intermediate filament (IntFil) genes arose during early metazoan evolution, to provide mechanical support for plasma membranes contacting/interacting with other cells and the extracellular matrix. Keratin genes comprise the largest subset of IntFil genes.
Minh Ho   +6 more
doaj   +2 more sources

Keratins in Invertebrates [PDF]

open access: bronzeNature, 1950
IF the term ‘keratin’ were applied only to those proteins which contain a high proportion of cystine, which give a keratin-type of X-ray diffraction photograph and which dissolve with ease only in alkaline solutions of reducing agents, then keratins, so far as is known, are confined to the epidermis and epidermal appendages of vertebrates, and are ...
C. Hendricks Brown
openalex   +4 more sources

Keratin - Based materials for biomedical applications

open access: yesBioactive Materials, 2020
Keratin constitutes the major component of the feather, hair, hooves, horns, and wool represents a group of biological material having high cysteine content (7–13%) as compared to other structural proteins.
Sandleen Feroz   +3 more
doaj   +2 more sources

THE STRUCTURE OF ALPHA KERATIN [PDF]

open access: greenProceedings of the National Academy of Sciences, 1957
Known structural principles (close packing, maximum hydrogen bonding, the tendency of like groups to be surrounded in like manner, and the approximate constancy of interatomic distances and bond angles) are used, with meridional and equatorial x-ray data, to deduce and check the structure pattern for alpha-keratin.
Maurice L. Huggins
openalex   +6 more sources

Development of a keratinase activity assay using recombinant chicken feather keratin substrates. [PDF]

open access: yesPLoS ONE, 2017
Poultry feathers consist mainly of the protein keratin, which is rich in β-pleated sheets and consequently resistant to proteolysis. Although many keratinases have been identified, the reasons for their substrate specificity towards β-keratin remain ...
Hyeon-Su Jin   +6 more
doaj   +2 more sources

Current Understanding of Feather Keratin and Keratinase and Their Applications in Biotechnology [PDF]

open access: yesBiochemistry Research International
The food industry generates substantial keratin waste, particularly chicken feathers, which are rich in amino acids and essential nutrients. However, the insolubility of keratin presents a significant challenge to its conversion.
Thanakorn Moktip   +5 more
doaj   +2 more sources

Sustainable Management of Keratin Waste Biomass: Applications and Future Perspectives

open access: yesBrazilian Archives of Biology and Technology, 2016
Keratin is a durable, fibrous protein which is mainly present in higher vertebrates (mammals, birds and reptiles) and humans epithelial cells. Food industry especially the meat market, slaughter house and wool industry produces million of tons of keratin
Swati Sharma, Arun Gupta
doaj   +2 more sources

Process optimization, antioxidant, antibacterial, and drug adjuvant properties of bioactive keratin microparticles derived from porcupine (Hystrix indica) quills [PDF]

open access: yesPeerJ, 2023
A structural protein called keratin is often employed in the medical industry to create medication carriers. Process improvement, antioxidant, antibacterial, and adjuvant drug studies of synthetic bioactive keratin microparticles made from lipids and ...
Zahid Majeed   +9 more
doaj   +2 more sources

Wool keratin as a novel alternative protein: A comprehensive review of extraction, purification, nutrition, safety, and food applications.

open access: yesComprehensive Reviews in Food Science and Food Safety, 2022
The growing global population and lifestyle changes have increased the demand for specialized diets that require protein and other essential nutrients for humans. Recent technological advances have enabled the use of food bioresources treated as waste as
Stephen G. Giteru   +5 more
semanticscholar   +1 more source

Valorization of Livestock Keratin Waste: Application in Agricultural Fields

open access: yesInternational Journal of Environmental Research and Public Health, 2022
Livestock keratin waste is a rich source of protein. However, the unique structure of livestock keratin waste makes its valorization a great challenge.
Huayi Chen   +6 more
semanticscholar   +1 more source

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