نتایج جستجو برای: tissue mechanical and acoustical parameters

تعداد نتایج: 16962694  

2012
Fatma Ayari Mekki Ksouri Ali Alouani

In this paper, we have presented an innovative methodology to convey connection between physical and mechanical properties of lung tissue in some lung cancer diseases. It is proposed in this method to combine computed tomography (CT) medical images, image processing and Finite Element (FE) technique to grasp the patient lung tissue response under gradual stages of lung cancer. Finite Element mo...

Arash Abdolmaleki, Asadollah Asadi, Mohammad-Bagher Ghayour, Morteza Behnam-Rassouli, Saber Zahri,

Background: Tissue engineering is a developing multidisciplinary and interdisciplinary field involving the use of bioartificial implants for tissue remodeling with the target for repair and enhancing tissue or organ function. Acellular nerve has been used in experimental models as a peripheral nerve substitute. The purpose of the present study was to evaluate the mechanical and histological cha...

2012
Gaurav Bahl Matthew Tomes Florian Marquardt Tal Carmon

Although bolometricand ponderomotive-induced deflection of device boundaries are widely used for laser cooling, the electrostrictive Brillouin scattering of light from sound was considered an acousto-optical amplification-only process1–7. It was suggested that cooling could be possible in multiresonance Brillouin systems5–8 when phonons experience lower damping than light8. However, this regime...

2001
Taco Ekkel Anton Nijholt

For many years, research efforts have been made to investigate whether the sound of a crying infant can be analyzed to determine various aspects concerning the infant’s health. In recent publications, possible acoustical indicators for several health disorders have been proposed. The goal of this thesis assignment is to investigate several combinations of these acoustical indicators in order to...

2003
Joanna Szaleniec Maciej Modrzejewski Wieslaw Wszolek

Endotracheal intubation is a method commonly applied nowadays in medicine, particularly in surgical procedures carried out under general anaesthetic. It is however an invasive method which may result in many complications, including mechanical injuries of the larynx [1]. The problem is not of purely medical nature. However from the research point of view the detailed analysis of vocal folds dam...

Journal: :Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2007
José Zamorano Leopoldo Pérez de Isla Carla Roque Bijoy Khanhderia

The aim of this review is to synthesize the published evidence regarding the benefits of identifying mechanical asynchrony before implantation of biventricular devices, and the role of echocardiography in the identification and quantification of mechanical asynchrony. It summarizes the published studies addressing the several echocardiographic parameters of dyssynchrony that have already proven...

2015
Shihai Cui Haiyan Li Xiangnan Li Jesse Ruan

Brain tissue mechanical properties are of importance to investigate child head injury using finite element (FE) method. However, these properties used in child head FE model normally vary in a large range in published literatures because of the insufficient child cadaver experiments. In this work, a head FE model with detailed anatomical structures is developed from the computed tomography (CT)...

اسماعیلی, فریبا, دوست محمدی, علی, نیکبخت کتولی, سارا,

The aim of this study was to fabricate carbon nanotube (CNT) and bioactive glass nanoparticles (BG) (at levels of 5 and 10 wt%) incorporated electrospun chitosan (CS)/polyvinyl alcohol (PVA) nanofibers for potential neural tissue engineering applications.The morphology, structure, and mechanical properties of the formed electrospun fibrous mats were characterized using...

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