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G Tchernev, M Sheta, M Rahoui, A A Chokoeva, U Wollina, G K Maximov, J W Patterson, M Fioranelli, M G Roccia, J Ananiev, T Lotti
Ensuring the safety of hair implant fibers is essential. At the same time, good aesthetic quality and durability should also be considered in order to maintain expected result over the years. The main features required are biocompatibility, resistance to traction, absence of capillarity, resistance to physical-chemical stress, and low tissue trauma, in addition to good aesthetics. Biofibre® medical hair prosthetic fibers meet all the biocompatibility and safety requirements established by international standards for medical devices...
April 2016: Journal of Biological Regulators and Homeostatic Agents
O Ramos, G Tchernev, A A Chokoeva, U Wollina, G K Maximov, J W Patterson, M Fioranelli, M G Roccia, J Ananiev, T Lotti
Body image refers to how we feel about our bodies. It does not refer to what we actually look like, but rather to our perceptions, opinions and ways of thinking about our appearance. How we feel about our appearance is part of our body image and self-image. The hair is a significant part of this image. The problem of alopecia affects both sexes and all ages with significant sequelae. Along with androgenetic alopecia, there are forms of alopecia of various origins: traumatic, surgical, pharmacological and others...
April 2016: Journal of Biological Regulators and Homeostatic Agents
Irina Naroznova, Jacob Møller, Charlotte Scheutz
This study is dedicated to characterising the chemical composition and biochemical methane potential (BMP) of individual material fractions in untreated Danish source-separated organic household waste (SSOHW). First, data on SSOHW in different countries, available in the literature, were evaluated and then, secondly, laboratory analyses for eight organic material fractions comprising Danish SSOHW were conducted. No data were found in the literature that fully covered the objectives of the present study. Based on laboratory analyses, all fractions were assigned according to their specific properties in relation to BMP, protein content, lipids, lignocellulose biofibres and easily degradable carbohydrates (carbohydrates other than lignocellulose biofibres)...
April 2016: Waste Management
N Serdev, A M D Erme, J Hercogova, Z Zarrab, A A Chokoeva, G Tchernev, U Wollina, T Lotti
One of the greatest challenges in medicine is treatment of both feminine and masculine baldness. Among several surgical treatments available, artificial hair implantation has to be listed. We report the efficacy and safety of hair fibre implants, (Biofibre®), through the follow-up of 133 patients in three years. One-hundred-and-thirty-three patients, 98 male and 38 female, with alopecia or baldness, were treated with the hair implant (Biofibre®) which is made from a mixture of polyamides. The patients included had good state of health, healthy scalp and they were diligent in scalp cleaning...
January 2015: Journal of Biological Regulators and Homeostatic Agents
Asokan Pappu, Vikas Patil, Sonal Jain, Amit Mahindrakar, Ruhi Haque, Vijay Kumar Thakur
Biological macromolecules enriched resources are rapidly emerging as sustainable, cost effective and environmental friendly materials for several industrial applications. Among different biological macromolecules enriched resources, banana fibres are one of the unexplored high potential bio-resources. Compared to various natural fibres such as jute, coir, palm etc., the banana fibres exhibits a better tensile strength i.e. 458 MPa with 17.14 GPa tensile modulus. Traditionally used petroleum based synthetic fibres have been proven to be toxic, non-biodegradable and energy intensive for manufacturing...
August 2015: International Journal of Biological Macromolecules
Mfiso E Mngomezulu, Maya J John, Valencia Jacobs, Adriaan S Luyt
The subject on flammability properties of natural fibre-reinforced biopolymer composites has not been broadly researched. This is not only evidenced by the minimal use of biopolymer composites and/or blends in different engineering areas where fire risk and hazard to both human and structures is of critical concern, but also the limited amount of published scientific work on the subject. Therefore, it is necessary to expand knowledge on the flammability properties of biopolymers and add value in widening the range of their application...
October 13, 2014: Carbohydrate Polymers
M R Ishak, S M Sapuan, Z Leman, M Z A Rahman, U M K Anwar, J P Siregar
Sugar palm (Arenga pinnata) is a multipurpose palm species from which a variety of foods and beverages, timber commodities, biofibres, biopolymers and biocomposites can be produced. Recently, it is being used as a source of renewable energy in the form of bio-ethanol via fermentation process of the sugar palm sap. Although numerous products can be produced from sugar palm, three products that are most prominent are palm sugar, fruits and fibres. This paper focuses mainly on the significance of fibres as they are highly durable, resistant to sea water and because they are available naturally in the form of woven fibre they are easy to process...
January 16, 2013: Carbohydrate Polymers
Niels Holten-Andersen, Georg E Fantner, Sophia Hohlbauch, J Herbert Waite, Frank W Zok
Formulating effective coatings for use in nano- and biotechnology poses considerable technical challenges. If they are to provide abrasion resistance, coatings must be hard and adhere well to the underlying substrate. High hardness, however, comes at the expense of extensibility. This property trade-off makes the design of coatings for even moderately compliant substrates problematic, because substrate deformation easily exceeds the strain limit of the coating. Although the highest strain capacity of synthetic fibre coatings is less than 10%, deformable coatings are ubiquitous in biological systems...
September 2007: Nature Materials
Mariangela Santiago, Roberto Pérez-Rangel, Angelo D'Ugo, Giampiero Griselli, Garigin Igitian, Ildefonso Garcia Martin, Geir B Nesheim, Usama Saad Eddin, Geoff Smith, Gerard W Brady, Cherine Chaker
BACKGROUND: There is presently no treatment for scalp scars that is fully satisfactory. The modalities of treatment currently in use are surgery, hair transplantation, and micropigmentation. Scalp implantation with artificial hair fibers is used by some physicians as an adjunctive treatment. OBJECTIVE: The objective was to assess the utility of artificial hair fibers to treat scalp scars. METHODS: Data were collected by the principal author from 10 hair restoration practitioners who tested polyamide hair fiber (Biofibre CE 0373/TGA by Medicap Ltd...
January 2007: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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