Polymeric Hydrogel Coating for Modulating the Shape of Keratin Fiber

Wang, Lanlan; Cavaco‐Paulo, Artur; Xu, Bo; Martins, Madalena

doi:10.3389/fchem.2019.00749

Cited by 11 publications

(8 citation statements)

References 49 publications

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“…Although the study on this reaction mechanism should be a next subject, the fiber biomaterials can be recycled without any organic solvents or external heating by using both the free-electron lasers and gyrotron continuously, which inspires the use of electromagnetic waves at the terahertz region to a sustainable engineering system of solid textile biomaterials. In addition, it can be expected that several types of structural proteins such as silk fibroin [ 50 , 51 ], keratin fiber [ 52 , 53 ], laminin [ 54 , 55 ], and elastin [ 56 , 57 ] can also be targeted by the far-infrared radiation. Those proteins form highly regularized aggregates, although the molecular sizes are various.…”

Section: Future Aspect Of the Use Of Far-infrared Radiation In Biolog...mentioning

confidence: 99%

Exploring Biomolecular Self-Assembly with Far-Infrared Radiation

et al. 2022

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Physical engineering technology using far-infrared radiation has been gathering attention in chemical, biological, and material research fields. In particular, the high-power radiation at the terahertz region can give remarkable effects on biological materials distinct from a simple thermal treatment. Self-assembly of biological molecules such as amyloid proteins and cellulose fiber plays various roles in medical and biomaterials fields. A common characteristic of those biomolecular aggregates is a sheet-like fibrous structure that is rigid and insoluble in water, and it is often hard to manipulate the stacking conformation without heating, organic solvents, or chemical reagents. We discovered that those fibrous formats can be conformationally regulated by means of intense far-infrared radiations from a free-electron laser and gyrotron. In this review, we would like to show the latest and the past studies on the effects of far-infrared radiation on the fibrous biomaterials and to suggest the potential use of the far-infrared radiation for regulation of the biomolecular self-assembly.

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Section: Future Aspect Of the Use Of Far-infrared Radiation In Biolog...mentioning

confidence: 99%

Exploring Biomolecular Self-Assembly with Far-Infrared Radiation

et al. 2022

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“…For comparison, a commercial perming solution (FarmaVita ® Life the Perm) (water, ammonium thioglycolate, ammonium bicarbonate, ethanolamine, PEG-40 hydrogenated castor oil, cocamidopropyl betaine, ammonium hydroxide, polyquaternium-7, simethicone, styrene/vp copolymer and tetrasodium EDTA) and a neutralizing solution (FarmaVita ® Universal Neutralizer) (water, SDS, hydrogen peroxide, simethicone, phosphoric acid and oxyquinoline sulfate) was selected as a control. The perming efficiency was calculated using the following equation [27]:…”

Section: Perming Efficiencymentioning

confidence: 99%

“…The number of loops and the hair length were used to calculate the perming efficiency as a measure of the capacity of the keratin, silk fibroin, BSA, KP-UM and KP-Cryst proteins to curl hair and to maintain hair shape throughout wash cycles [27].…”

Section: Perming Efficiencymentioning

confidence: 99%

Proteins as Hair Styling Agents

et al. 2021

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The perming of hair is a common styling procedure with negative impact on the overall properties of the hair fibers. Usually, this process uses harsh chemicals to promote the disruption of disulfide bonds and the formation of new bonds to change the shape of hair. Here, we explored bovine serum albumin (BSA), silk fibroin (SF), keratin and two fusion recombinant proteins (KP-UM and KP-Cryst) as new perming agents. A phosphate buffer prepared at different pH values (5, 7 and 9) was used to apply the proteins to virgin Asian hair, and a hot BaByliss was used to curl the hair fibers. To assess the potential of the protein formulations for hair styling, the perming efficiency and the perming resistance to wash were measured. Furthermore, the fiber water content was evaluated to assess if the proteins protected the hair during the styling process. Despite all of the proteins being able to assist in the curling of Asian hair, the best perming efficiency and perming resistance to wash results were observed for BSA and keratin. These proteins showed perming efficiency values close to that measured for a commercial perming product (chemical method), particularly at pH 5 and 9. The increase in the hair’s internal and external water contents revealed a protective effect provided by the proteins during the application of heat in the styling procedure. This study shows the potential of proteins to be used in the development of new eco-friendly hair styling products.

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“…Hair and wool are tightly packed α-helical fibers and present similar microstructures . Wool is very similar to human hair, and numerous researchers have extended their findings to human keratin fiber. , The properties of keratin fibers including stretching ability, diameter, and internal viscosity are greatly altered by the relative humidity of air. , The water absorption of wool and hair keratin fibers results in swelling, and its behavior is very anisotropic leading to a radial swelling of around 16% and a longitudinal swelling of around 2%. , Studies related to the dimensional changes of wool keratin fiber under humidity conditions have been explored …”

Section: Introductionmentioning

confidence: 99%

Cellulose Dissolved in Ionic Liquids for Modification of the Shape of Keratin Fibers

Liu

Carvalho

et al. 2021

ACS Sustainable Chem. Eng.

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The methylimidazolium chloride ionic liquid (IL) was successfully used for the dissolution of cotton cellulose. IL and IL-cellulose were investigated by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy analyses. The obtained IL-cellulose was applied to wool and hair keratin fiber surfaces, forming a fine coating layer. From FT-IR and XRD analyses, the results suggested the reduction of hydrogen bonds and crystallinity in IL-cellulose-coated wool fibers. This effect was caused by covering the wool with the IL-cellulose coating, and good intrinsic mechanical properties were observed. Moreover, the dimensional performance of coated keratin fibers presented length variations of around 8 and 12% under wet and dry conditions for wool and hair fibers, respectively. Coated keratin fibers could be of great value for a cleaner process in the cosmetic area associated with their ability to stretch and curl when triggered by humidity.

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Polymeric Hydrogel Coating for Modulating the Shape of Keratin Fiber

Cited by 11 publications

References 49 publications

Exploring Biomolecular Self-Assembly with Far-Infrared Radiation

Exploring Biomolecular Self-Assembly with Far-Infrared Radiation

Proteins as Hair Styling Agents

Cellulose Dissolved in Ionic Liquids for Modification of the Shape of Keratin Fibers

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