Academic literature on the topic 'Viscoelastic parameters of hair'

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Journal articles on the topic "Viscoelastic parameters of hair"

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Tsambaos, D., G. Nikiforidis, C. Balas, and S. Marinoni. "Trichothiodystrophic Hair Reveals an Abnormal Pattern of Viscoelastic Parameters." Skin Pharmacology and Physiology 7, no. 5 (1994): 257–61. http://dx.doi.org/10.1159/000211302.

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McConney, Michael E., Clemens F. Schaber, Michael D. Julian, et al. "Surface force spectroscopic point load measurements and viscoelastic modelling of the micromechanical properties of air flow sensitive hairs of a spider ( Cupiennius salei )." Journal of The Royal Society Interface 6, no. 37 (2008): 681–94. http://dx.doi.org/10.1098/rsif.2008.0463.

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The micromechanical properties of spider air flow hair sensilla (trichobothria) were characterized with nanometre resolution using surface force spectroscopy (SFS) under conditions of different constant deflection angular velocities (rad s −1 ) for hairs 900–950 μm long prior to shortening for measurement purposes. In the range of angular velocities examined (4×10 −4 −2.6×10 −1 rad s −1 ), the torque T (Nm) resisting hair motion and its time rate of change (Nm s −1 ) were found to vary with deflection velocity according to power functions. In this range of angular velocities, the motion of the
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Nikiforidis, G., D. Tsambaos, C. Balas, and A. Bezerianos. "A Method for the Determination of Viscoelastic Parameters of Human Hair in Relation to Its Structure." Skin Pharmacology and Physiology 6, no. 1 (1993): 32–37. http://dx.doi.org/10.1159/000211082.

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Nikiforidis, G., C. Balas, and D. Tsambaos. "Viscoelastic response of human hair cortex." Medical & Biological Engineering & Computing 30, no. 1 (1992): 83–88. http://dx.doi.org/10.1007/bf02446198.

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Yu, Yang, Wen Yang та Marc André Meyers. "Viscoelastic properties of α-keratin fibers in hair". Acta Biomaterialia 64 (грудень 2017): 15–28. http://dx.doi.org/10.1016/j.actbio.2017.09.012.

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Loussouarn, G. "African hair growth parameters." British Journal of Dermatology 145, no. 2 (2001): 294–97. http://dx.doi.org/10.1046/j.1365-2133.2001.04350.x.

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Laermann, K. H. "In situIdentification of Viscoelastic Material Parameters." Strain 44, no. 6 (2008): 462–67. http://dx.doi.org/10.1111/j.1475-1305.2007.00407.x.

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Chang, T. S., and M. P. Singh. "Mechanical Model Parameters for Viscoelastic Dampers." Journal of Engineering Mechanics 135, no. 6 (2009): 581–84. http://dx.doi.org/10.1061/(asce)0733-9399(2009)135:6(581).

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Herrera-Valencia, E. E., and Alejandro D. Rey. "Actuation of flexoelectric membranes in viscoelastic fluids with applications to outer hair cells." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372, no. 2029 (2014): 20130369. http://dx.doi.org/10.1098/rsta.2013.0369.

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Liquid crystal flexoelectric actuation uses an imposed electric field to create membrane bending, and it is used by the outer hair cells (OHCs) located in the inner ear, whose role is to amplify sound through generation of mechanical power. Oscillations in the OHC membranes create periodic viscoelastic flows in the contacting fluid media. A key objective of this work on flexoelectric actuation relevant to OHCs is to find the relations and impact of the electromechanical properties of the membrane, the rheological properties of the viscoelastic media, and the frequency response of the generated
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Ahmad, Muhammad. "The first hair transplant assessment scale: parameters for good hair transplantation." Journal of Cosmetic Medicine 4, no. 1 (2020): 1–6. http://dx.doi.org/10.25056/jcm.2020.4.1.1.

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Dissertations / Theses on the topic "Viscoelastic parameters of hair"

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Jinks, Ian Robert. "The viscoelastic properties of chemically modified α-keratins in human hair". Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/the-viscoelastic-properties-of-chemically-modified-alphakeratins-in-human-hair(6ad4b354-3a84-4113-be87-a71952ae2caa).html.

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Human hair, like other α-keratinous fibres, is a highly complex biomaterial. For the analysis of its mechanical and thermal properties it is, however, well described by a two-phase structure, which contains as morphological components the highly-ordered, crystalline intermediate filaments (IFs) and the less-ordered, amorphous matrix. The presence of elastic IFs alongside the viscous matrix, results in the viscoelastic properties of human hair. Investigated here are the viscoelastic properties of human hair after two academically and commercially relevant chemical modifications: esterification
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Montillo, Marta <1986&gt. "Hormonal parameters in foal hair: from birth to post weaning." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6254/.

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The aim of this study was to investigate cortisol and progesterone (P4) trends in hair from birth up to postweaning in Italian trotter foals. Hair sampling is non-invasive and hair concentrations provide retrospective information of integrated hormone secretion over periods of several months. Samples were collected at birth and at a distance of 30 days, collecting only regrowth hair, up to post weaning. From birth to 3 months, foals cortisol falls from 47.64±5.6 to 4.9±0.68 pg/mg (mean±standard error), due to the interruption of foetal-placental connection and progressive adaptation to extrau
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Mkentane, Kwezikazi. "Human scalp hair: geometry, biochemistry, growth parameters and mechanical characteristics." Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/23419.

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Scalp hair is increasingly being used as a testing substrate for toxins and monitoring treatment adherence. The biochemistry of human hair is assumed to be similar; however, a recent study reported higher concentration of lipids in African hair. The effect of hair curvature, if any, on drug incorporation (e.g. lipid soluble drugs) is unknown. Racial description of hair morphology is unscientific. A geometric classification of hair into 8 groups (I-straight to VIII-tightly curly) was recently proposed, however its reliability has not been confirmed. The aim of this thesis was to investigate the
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Abou, Dakka Milad. "Linear oscillatory dynamics of flexoelectric membranes embedded in viscoelastic media with applications to outer hair cells." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114535.

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Membrane flexoelectricity is an electromechanical coupling effect between the membrane average curvature and macroscopic electric polarization. Flexolelectricity is a biological actuation mechanism involved in the functioning of hearing. This thesis uses theory and simulation to develop a fundamental understanding of flexolectricity of relevance to hearing processes by integrating membrane elasticity and flexolectricity with viscoelastic processes. Flexoelectric actuation uses an imposed electric field to create membrane bending. In this thesis we model the small amplitude oscillatory dy
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Wu, Yanzhang. "Sensing Nonlinear Viscoelastic Constitutive Parameters with a Geometrically Nonlinear Beam: Modeling and Simulation." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/40910.

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In this thesis, we present a sensor model comprised of a geometrically nonlinear beam coupled with a nonlinear viscoelastic Pasternak foundation via a distributed system of compliant elements. The governing equations of the system are obtained. By posing an inverse problem, the model is used to simulate the estimation of coupled substrates' material (constitutive) parameters. In the inverse problem, beam deformations are considered as measured parameters, and therefore an eventual hardware implementation would require measurements of these quantities. Different case studies are simulated to as
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Casal, i. Plana Nicolau. "Identification of new physiological parameters for monitoring chronic stress in growing pigs: Hair cortisol and Chromogranin A." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/400284.

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L’objectiu principal d’aquesta tesi és identificar i estudiar la viabilitat del cortisol en pèl i de la cromogranina A (CgA) com a indicadors d’estrès crònics en porcs d’engreix. Amb aquest propòsit es van realitzar quatre estudis englobats en dos experiments. El primer estudi tenia com a objectiu determinar la viabilitat del pèl com a matriu per detectar cortisol en l’espècie porcina. Per aquest motiu, es van analitzar mostres de pèl de 56 mascles sencers creuats sotmesos a un procés de reorganització setmanal. Els resultats obtinguts van mostrar una correlació positiva de les concentracions
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Zeltmann, Uwe Christian [Verfasser], and A. [Akademischer Betreuer] Kirsch. "The Viscoelastic Seismic Model: Existence, Uniqueness and Differentiability with Respect to Parameters / Uwe Christian Zeltmann ; Betreuer: A. Kirsch." Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1184989982/34.

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Taskonak, Burak. "The effects of residual stress, viscoelastic and thermodynamic parameters on apparent fracture toughness of dental bilayer ceramic composites." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0006425.

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Usu, Kerem. "Identification Of Soft Tissue Mechanical Material Model And Corresponding Parameters From In Vivo Experimental Data By Using Inverse Finite Element Method." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609885/index.pdf.

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The purpose of this thesis is to search for the best material model for soft biological tissues in general. Different sections of human body exhibit different responses like stress relaxation, creep, hysteresis and preconditioning to external loading conditions. These body sections can be assumed as viscoelastic, poroelastic or pseudoelastic. After making the choice of the material model from one of these for the current study, the finite element model and the material code to be used with this model have been created. The material code has also been tried on a simple finite element model befo
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Sousa, Dayanne Lima de. "UtilizaÃÃo da ultrassonografia e qualidade da carne de cordeiros Santa InÃs de diferentes classes sexuais submetidos à restriÃÃo alimentar." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13881.

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FundaÃÃo de Amparo à Pesquisa do Estado do CearÃ<br>Objetivou-se com o presente estudo avaliar a utilizaÃÃo da ultrassonografia e qualidade de carne de cordeiros Santa InÃs de diferentes classes sexuais submetidos à restriÃÃo alimentar. Foram utilizados 30 cordeiros, 15 castrados e 15 nÃo castrados, com aproximadamente dois meses de idade e peso corporal inicial mÃdio de 13,00  1,49 kg. Os cordeiros foram distribuÃdos em delineamento inteiramente casualizado em arranjo fatorial 3x2 (nÃvel de restriÃÃo x classe sexual), de acordo com a quantidade de alimento fornecida. A duraÃÃo do experimento
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Book chapters on the topic "Viscoelastic parameters of hair"

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Wik, O. "Presentation of Viscoelastic Materials — The Most Important Parameters." In Viscoelastic Substances. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-88653-9_3.

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Mirmirani, Paradi, Fangyi Luo, Scott R. Youngquist, et al. "Hair Growth Parameters in Pre- and Postmenopausal Women." In Aging Hair. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02636-2_6.

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Cook, L. Pamela, D. O. Olagunju, and G. F. Schleiniger. "Viscoelastic Fluid Flow: Critical Parameters and Asymptotics." In Asymptotic and Numerical Methods for Partial Differential Equations with Critical Parameters. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1810-1_11.

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Nouatin, O. H., T. Coupez, and J. F. Agassant. "Identification of Viscoelastic Rheological Parameters by Inverse Analysis." In Progress and Trends in Rheology V. Steinkopff, 1998. http://dx.doi.org/10.1007/978-3-642-51062-5_46.

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Titkova, L. V., and Yu G. Yanovsky. "Viscoelastic and thixotropic parameters of highly structured grades of petroleum." In Progress and Trends in Rheology II. Steinkopff, 1988. http://dx.doi.org/10.1007/978-3-642-49337-9_103.

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Miyoshi, T., N. Sasagawa, S. I. Yamamoto, T. Komeda, and K. Nakazawa. "Effect of Viscoelastic Constraints to Kinematic Parameters during Human Gait." In IFMBE Proceedings. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-89208-3_491.

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Kiełczyński, P., and W. Pajewksi. "Determination of the Rheological Parameters of Viscoelastic Liquids Using Shear Surface Waves." In Springer Series on Wave Phenomena. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83508-7_33.

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Kuklane, M., J. Eelmäe, M. Roose, and A. E. Kaasik. "Correction of CSF Acidosis and Craniospinal System Viscoelastic Parameters with Intrathecal THAM." In Intracranial Pressure VIII. Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77789-9_135.

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Muras, J., Z. Janáček, and J. Dostál. "Influence of repeated extrusion on viscoelastic properties and molecular parameters of polyethylene." In Progress and Trends in Rheology II. Steinkopff, 1988. http://dx.doi.org/10.1007/978-3-642-49337-9_139.

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Jaboviste, Kévin, Emeline Sadoulet Reboul, Nicolas Peyret, Gaël Chevallier, C. Arnould, and E. Collard. "Identification of Nonlinear Viscoelastic Parameters Based on an Enhanced Oberst Beam Method." In Nonlinear Dynamics, Volume 1. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74280-9_42.

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Conference papers on the topic "Viscoelastic parameters of hair"

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Sarabi, Soroush, and David B. Bogy. "Viscoelastic Effects on Lubricant Depletion and Recovery Under Heat-Assisted Magnetic Recording (HAMR) Conditions." In ASME 2016 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/isps2016-9578.

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Heat Assisted Magnetic Recording (HAMR) is a developing data-storage technology in which a laser delivery system is integrated to the conventional HDD air bearing slider that carries the read and write transducers. The laser beam heats a small spot of around 20nm size on the storage media up to few hundred degrees Celsius [1]. This heating causes several effects on the lubricant such as temperature gradient, thermocapillary shear stress, viscosity drop, and evaporation followed by its depletion. Conventionally [2–8], the disk lubricant is considered as a Newtonian viscous fluid that can be ful
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Palombo, Francesca. "Viscoelastic parameters of hydrogel tissue models." In European Microscopy Congress 2020. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.emc2020.86.

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Murdock, David R., Sergey A. Ermilov, Feng Qian, William E. Brownell, and Bahman Anvari. "Optical tweezers study of viscoelastic properties in the outer hair cell plasma membrane." In Biomedical Optics 2004, edited by Alexander N. Cartwright. SPIE, 2004. http://dx.doi.org/10.1117/12.529597.

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Toverud, T., and B. Ursin. "Estimation of Viscoelastic Parameters from Zero-Offset VSP Data." In 61st EAGE Conference and Exhibition. European Association of Geoscientists & Engineers, 1999. http://dx.doi.org/10.3997/2214-4609.201407725.

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Wu, Wenbiao, Zhihong Xu, Xiaoge Tian, and Shuquan Zhang. "Viscoelastic Property of Aging Asphalt Mixture and Parameters Determination Method." In 2010 International Conference on Measuring Technology and Mechatronics Automation (ICMTMA 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmtma.2010.574.

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Badran, Karam W., Nikan Namiri, Ashkan Maccabi, et al. "Identifying viscoelastic parameters of tissue specimens using Hertz contact mechanics." In Design and Quality for Biomedical Technologies XI, edited by Ramesh Raghavachari, Rongguang Liang, and T. Joshua Pfefer. SPIE, 2018. http://dx.doi.org/10.1117/12.2289831.

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Wang, Bing, Guanjun Chang, Xinzhi Lin, and Wantao Guo. "Analysis on Parameters of WLF Equation for Viscoelastic Damping Materials." In 2016 4th International Conference on Mechanical Materials and Manufacturing Engineering. Atlantis Press, 2016. http://dx.doi.org/10.2991/mmme-16.2016.115.

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Oliveira Balbino, Fernanda, Paulo Justiniano Ribeiro Junior, Marilda Munaro, and Eduardo Marcio Oliveira Lopes. "BAYESIAN CHARACTERIZATION OF FRACTIONAL DERIVATIVE MODEL PARAMETERS OF VISCOELASTIC MATERIALS." In XXXVI Iberian-Latin American Congress on Computational Methods in Engineering. ABMEC Brazilian Association of Computational Methods in Engineering, 2015. http://dx.doi.org/10.20906/cps/cilamce2015-0050.

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Notova, S. V., E. V. Kiyaeva, I. E. Laryushina, A. Kh Duskaeva, and N. S. Gedulianova. "Hair Trace Elements, Hematological and Psychological Parameters of Students with Different Diets." In Proceedings of the International Conference on Health and Well-Being in Modern Society (ICHW 2019). Atlantis Press, 2019. http://dx.doi.org/10.2991/ichw-19.2019.46.

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Hossain, A., and A. Mian. "Dynamic Analysis of a Microscale Cricket Filiform Hair Socket." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50633.

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Filiform hairs of crickets are of great interest to engineers because of their highly sensitive response to low velocity air currents. In this study, the cercal sensory system of a common house cricket has been analyzed. The sensory system consists of two antennae like appendages called cerci that are situated at the rear of the cricket’s abdomen. Each cercus is covered with 500–750 flow sensitive hairs that are embedded in a complex viscoelastic socket that acts as a spring -dashpot system and guides the movement of the hair. When the hair deflects due to the drag force induced on its length
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