Results 271 to 280 of about 1,862,657 (332)
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Analysis of DNA in hair fibers.
Journal of cosmetic science, 2003The extraction and identification of deoxyribonucleic acid (DNA) from human hair shafts is described, along with the effects of hair treatments on levels of DNA and suggestions of DNA location within the shaft. DNA was present at low levels in the hair shaft, and was identified using polymerase chain reaction amplification of the human leukocyte ...
Daniella M, Heywood +2 more
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Examining polyquaternium polymers deposition on human excised hair fibers
Journal of Cosmetic Dermatology, 2017SummaryBackgroundPolyquaterniums (PQs) as important ingredients of hair products are synthetic cationic polymers and are used in commercial hair volumizers and conditioners.MethodsThree different grades of polymers including PQ 87, 68, and 46 with various concentrations were used, and their hair deposition efficacy was measured at 5 different pH values
Javad Shokri +2 more
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Differential wetting characterization of hair fibers.
Journal of cosmetic science, 2012Surface wetting is one of the key properties of human hair used to indicate the extent of chemical/mechanical damage and the outcome of conditioning treatment. Characterization of hair wetting property is a challenging task due to the non-homogeneous nature of hair fibers and the requirement for sensitive equipment.
Abe, Vaynberg +2 more
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International Journal of Cosmetic Science, 2010
J. Cosmet. Sci., 60, 261–271 (March/April 2009)SynopsisIt is well established that silicones alter hair surface properties and that silicones have a significant impact on the macroscopic behavior of hair assembly, such as visual appearance, combing performance and manageability of the hair.
Anne, Dussaud, Lara, Fieschi-Corso
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J. Cosmet. Sci., 60, 261–271 (March/April 2009)SynopsisIt is well established that silicones alter hair surface properties and that silicones have a significant impact on the macroscopic behavior of hair assembly, such as visual appearance, combing performance and manageability of the hair.
Anne, Dussaud, Lara, Fieschi-Corso
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Repair of sequelae from artificial fiber hair implants with hair‐bearing punch grafting
Head & Neck Surgery, 1985AbstractSeveral thousand persons had artificial hairs of fiber implanted in their scalps 5 years ago with disastrous results. These persons may still require late repair to remove retained fiber fragments from the skin. The hair‐bearing punch graft is a useful method of repair in some patients.
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A model of the hair cell-primary fiber complex
The Journal of the Acoustical Society of America, 1982The proposed model consists of a chain of three energy reservoirs through which energy from an infinite supply is fed to a modulator which in turn drives a firing mechanism. The modulator consists of a variable permeability p that depends on instantaneous basilar displacement a through: p = (a−A0)2 for a≳A0, and p = 0 for a?A0, where A0 is a constant ...
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Seperation Methods of Hair Origin Luxury Fibers
2015Dünyada bitkisel ve hayvansal kaynaklı olmak üzere her yıl 35 milyon ton doğal lif üretilmektedir. Bitkisel kaynaklı doğal lifler pamuk, keten, kenevir, jüt, rami, sisal ve Hindistan cevizi lifi iken, hayvansal kökenliler, yün, ipek, tiftik, kaşmir, Ankara tavşanı yünü, keçi kılı, vikunya v.b. lifleridir.
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Mechanical behavior of geopolymer concrete reinforced with human hair fibers
Innovative Infrastructure SolutionsAditya Agrawal +2 more
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