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This page shows you the most recent publications within this specialty of the MedWorm directory. This is page number 20.

Accelerometer-based Physical Activity Monitoring in Patients with Knee Osteoarthritis: Objective and Ambulatory Assessment of Actual Physical Activity During Daily Life Circumstances.
CONCLUSION: A single ambulant accelerometer-based physical activity monitor feasibly captures the four FITT components of physical activity and provides more insight into the actual physical activity behavior and limitations of knee OA patients in their daily life. PMID: 26312077 [PubMed] (Source: Open Biomedical Engineering Journal)
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

A Robustness Comparison of Two Algorithms Used for EEG Spike Detection.
Authors: Chaibi S, Lajnef T, Ghrob A, Samet M, Kachouri A Abstract Spikes and sharp waves recorded on scalp EEG may play an important role in identifying the epileptogenic network as well as in understanding the central nervous system. Therefore, several automatic and semi-automatic methods have been implemented to detect these two neural transients. A consistent gold standard associated with a high degree of agreement among neuroscientists is required to measure relevant performance of different methods. In fact, scalp EEG data can often be corrupted by a set of artifacts and are not always served as data of gold ...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

The Effect of Lightly Gripping a Cane on the Dynamic Balance Control.
Authors: Oshita K, Yano S Abstract The purpose of the current study was to investigate the effect of lightly gripping a cane on the Functional Reach Test (FRT) to evaluate dynamic balance. 21 healthy men (19±1 years) were asked to perform the FRT three times. The standard FRT was performed in the first and third trials. In the second trial, participants in a light-grip group (n = 11) were told to lightly grip (but to not apply force for mechanical support) the cane during the FRT. Participants in a depend-on-cane group (n = 10) were told to perform the FRT while supporting their weight with the cane. FRT is improv...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Imaging of Conductivity Changes of Excitable Tissues Based on Focused Passive Microwave.
CONCLUSION: The analysis of conductivity fluctuations in the central neural system in conjunction with the electromagnetic analysis of the system, leads to the interpretation of the previously acquired experimental data. The application of this technique with other brain functional mapping methods, may provide complementary knowledge to the understanding of the functional organization of psychophysiological processes. PMID: 26312074 [PubMed] (Source: Open Biomedical Engineering Journal)
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Application and Analysis of Biological Electrospray in Tissue Engineering.
Authors: Yunmin M, Yuanyuan L, Haiping C, Qingxi H Abstract Nan-fiber scaffolds are suitable tools for tissue engineering. Electro spinning materials together with cells presents not adequate to obtain a high cellular zing tissue constructs as the shear force, tensile force, and other physical effects excited in the electro spinning process, which are harmful to cellular differentiation, development and function. However, this limitation has been overcome by a micro integration system of simultaneously bio-electro spraying human adipose stem cells (ASCs) and electro spinning Polyvinyl alcohol (PVA). Then it was com...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Anatomically Based Geometric Modelling Using Medical Image Data: Methods and Programs.
Authors: Wang M, Sun L, Liu Y Abstract The human organs geometric modeling software which can achieve two-dimensional medical image browsing, pretreatment and three dimensional (3D) reconstruction in this paper is designed. This software implements medical image segmentation using the method combining the region growing and the interactive segmentation. Also, the MC surface reconstruction algorithm is utilized to achieve the three-dimensional reconstruction. Furthermore, the software is projected by Visual C++. And then, to legitimately express the structural information of skeleton and muscle, the software is empl...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Association Between KCNJ11 Gene E23K Polymorphism and Body Composition Together with its Response to Endurance Training.
CONCLUSION: KCNJ11 gene E23K polymorphism might contribute to individual body composition together with its response to endurance training. The body fat content at baseline in KK was more than those in EE and EK groups, and it may hinder that individual to eliminate their body fat during endurance training. PMID: 26089990 [PubMed] (Source: Open Biomedical Engineering Journal)
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Analytical Side-to-Side Related Anastomotic Strategies and Artery Patching.
This study aims to examine if elastic (compliance) mismatch increases the stress concentration and intimal thickening at the suture line. Better compliance may be obtained by using grafts with similar mechanical properties to the host artery or by anastomosis techniques that utilize vein patches and cuffs (Taylor-patch and Miller-cuff anastomosis). The anastomosis model used in this study is a circular cylindrical system consisting of two semi-cylinders, interconnected by two hinges. The internal blood pressure is applied on the arterial walls. The static and dynamic responses are analytically derived in terms of radial an...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Research of amoxicillin microcapsules preparation playing micro-jetting technology.
Authors: Sun H, Gu Q, Liao Y, Sun C Abstract With polylactic-co-glycolic acid(PLGA) as shell material of microcapsule, amoxicillin as the model, poly(vinyl alcohol) and twain as surfactant, amoxicillin-PLGA microcapsules were manufactured using digital micro-jetting technology and a glass nozzle of 40μm diameter. The influences of the parameters of micro-jetting system on the mean grain size and size distribution of amoxicillin-PLGA microcapsules were studied with single factor analysis and orthogonal experiment method, namely, PLGA solution concentration, driving voltage, jetting frequency, stirrer speed, etc. Th...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Multi-dimension and Comprehensive Assessment on the Utilizing and Sharing of Regional Large-Scale Scientific Equipment.
Authors: Li C, Yongbo L, Chi C Abstract Based on the data from 30 provincial regions in China, an assessment and empirical analysis was carried out on the utilizing and sharing of the large-scale scientific equipment with a comprehensive assessment model established on the three dimensions, namely, equipment, utilization and sharing. The assessment results were interpreted in light of relevant policies. The results showed that on the whole, the overall development level in the provincial regions in eastern and central China is higher than that in western China. This is mostly because of the large gap among the diff...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

The Kinematics and Kinetics Analysis of the Lower Extremity in the Landing Phase of a Stop-jump Task.
Authors: Yin L, Sun D, Mei QC, Gu YD, Baker JS, Feng N Abstract Large number of studies showed that landing with great impact forces may be a risk factor for knee injuries. The purpose of this study was to illustrate the different landing loads to lower extremity of both genders and examine the relationships among selected lower extremity kinematics and kinetics during the landing of a stop-jump task. A total of 35 male and 35 female healthy subjects were recruited in this study. Each subject executed five experiment actions. Lower extremity kinematics and kinetics were synchronously acquired. The comparison of low...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Recent patents and designs on hip replacement prostheses.
Authors: Derar H, Shahinpoor M Abstract Hip replacement surgery has gone through tremendous evolution since the first procedure in 1840. In the past five decades the advances that have been made in technology, advanced and smart materials innovations, surgical techniques, robotic surgery and methods of fixations and sterilization, facilitated hip implants that undergo multiple design revolutions seeking the least problematic implants and a longer survivorship. Hip surgery has become a solution for many in need of hip joint remedy and replacement across the globe. Nevertheless, there are still long-term problems tha...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Recognition Method of Limb Motor Imagery EEG Signals Based on Integrated Back-propagation Neural Network.
Authors: Li M, Chen W, Cui B, Tian Y Abstract In this paper, in order to solve the existing problems of the low recognition rate and poor real-time performance in limb motor imagery, the integrated back-propagation neural network (IBPNN) was applied to the pattern recognition research of motor imagery EEG signals (imagining left-hand movement, imagining right-hand movement and imagining no movement). According to the motor imagery EEG data categories to be recognized, the IBPNN was designed to consist of 3 single three-layer back-propagation neural networks (BPNN), and every single neural network was dedicated to r...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Formation of Solution-derived Hydroxyapatite Coatings on Titanium Alloy in the Presence of Magnetron-sputtered Alumina Bond Coats.
Authors: Zykova A, Safonov V, Yanovska A, Sukhodub L, Rogovskaya R, Smolik J, Yakovin S Abstract Hydroxyapatite Ca10(PO4)6(OH)2 (HAp) and calcium phosphate ceramic materials and coatings are widely used in medicine and dentistry because of their ability to enhance the tissue response to implant surfaces and promote bone ingrowth and osseoconduction processes. The deposition conditions have a great influence on the structure and biofunctionality of calcium phosphate coatings. Corrosion processes and poor adhesion to substrate material reduce the lifetime of implants with calcium phosphate coatings. The research has ...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Nanoindentation Study of Phase-pure Highly Crystalline Hydroxyapatite Coatings Deposited by Microplasma Spraying.
Authors: Dey A, Mukhopadhyay AK Abstract The present contribution has originated from a critical biomedical engineering issue e.g., loosening of metallic prostheses fixed with poly(methyl methylacrylate) (PMMA) bone cement especially in the case of hip joint replacement which ultimately forces the patient to undergo a revision surgery. Subsequently surgeons invented a cementless fixation technology introducing a bioactive hydroxyapatite (HAp) coating to the metallic implant surface. A wide variety of different coating methods have been developed to make the HAp coating on metallic implants more reliable; of which u...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

A review paper on biomimetic calcium phosphate coatings.
Authors: Lin X, de Groot K, Wang D, Hu Q, Wismeijer D, Liu Y Abstract Biomimetic calcium phosphate coatings have been developed for bone regeneration and repair because of their biocompatibility, osteoconductivity, and easy preparation. They can be rendered osteoinductive by incorporating an osteogenic agent, such as bone morphogenetic protein 2 (BMP-2), into the crystalline lattice work in physiological situations. The biomimetic calcium phosphate coating enables a controlled, slow and local release of BMP-2 when it undergoes cell mediated coating degradation induced by multinuclear cells, such as osteoclasts and ...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Comparison of Physical-chemical and Mechanical Properties of Chlorapatite and Hydroxyapatite Plasma Sprayed Coatings.
Authors: Demnati I, Grossin D, Marsan O, Bertrand G, Collonges G, Combes C, Parco M, Braceras I, Alexis J, Balcaen Y, Rey C Abstract Chlorapatite can be considered a potential biomaterial for orthopaedic applications. Its use as plasma-sprayed coating could be of interest considering its thermal properties and particularly its ability to melt without decomposition unlike hydroxyapatite. Chlorapatite (ClA) was synthesized by a high-temperature ion exchange reaction starting from commercial stoichiometric hydroxyapatites (HA). The ClA powder showed similar characteristics as the original industrial HA powder, and was...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Bioactive titanate layers formed on titanium and its alloys by simple chemical and heat treatments.
Authors: Kokubo T, Yamaguchi S Abstract To reveal general principles for obtaining bone-bonding bioactive metallic titanium, Ti metal was heat-treated after exposure to a solution with different pH. The material formed an apatite layer at its surface in simulated body fluid when heat-treated after exposure to a strong acid or alkali solution, because it formed a positively charged titanium oxide and negatively charged sodium titanate film on its surface, respectively. Such treated these Ti metals tightly bonded to living bone. Porous Ti metal heat-treated after exposure to an acidic solution exhibited not only oste...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Editorial : materials science of bioceramic coatings: an editorial.
Authors: Heimann RB PMID: 25893013 [PubMed] (Source: Open Biomedical Engineering Journal)
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Auditory evoked potential response and hearing loss: a review.
Authors: Paulraj MP, Subramaniam K, Yaccob SB, Adom AH, Hema CR Abstract Hypoacusis is the most prevalent sensory disability in the world and consequently, it can lead to impede speech in human beings. One best approach to tackle this issue is to conduct early and effective hearing screening test using Electroencephalogram (EEG). EEG based hearing threshold level determination is most suitable for persons who lack verbal communication and behavioral response to sound stimulation. Auditory evoked potential (AEP) is a type of EEG signal emanated from the brain scalp by an acoustical stimulus. The goal of this review ...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Effects of head models and dipole source parameters on EEG fields.
We present the performances of the surface potential in the face of varying dipole source parameters in detail. The results show that the potential patterns are similar for different dipole position in different head shapes, but the peak value of potential is significantly influenced by the head shape. Dipole position induces a great effect on the peak value of potential and shift of peak potential. The degree of variation between sphere head model and non-sphere head models is seen at the same time. We also show that PLS method with the trigonometric basis is superior to the constant basis, linear basis, and quadratic bas...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Development of a bio-inspired mechatronic chest wall simulator for evaluating the performances of opto-electronic plethysmography.
Authors: C M, E S, F B, A S, P S, G L, F B, S A S, S S Abstract Instrumented gait analysis based on optoelectronic systems is an expensive technique used to objectively measure the human movement features and it is generally considered as the gold standard. Opto-electronic plethysmography (OEP) is a particular motion analysis system able to: (i) determine chest wall kinematic via the evaluation of marker displacements placed on the thorax and (ii) compute respiratory volumes during breathing. The aim of this work is to describe the performances of a custom made, bio-inspired, mechatronic chest wall simulator (CWS),...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Reality of dental implant surface modification: a short literature review.
This article reviewed some important modified titanium surfaces, exploring the in vitro, in vivo and clinical results that numerous comparison studies reported. Several methods are widely used to modify the topography or chemistry of titanium surface, including blasting, acid etching, anodic oxidation, fluoride treatment, and calcium phosphate coating. Such modified surfaces demonstrate faster and stronger osseointegration than the turned commercially pure titanium surface. However, there have been many studies finding no significant differences in in vivo bone responses among the modified surfaces. Considering those in vi...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Effect of ligation method on maxillary arch force/moment systems for a simulated lingual incisor malalignment.
CONCLUSION: It was found that the maximum forces and moments produced by elastic ligation are greater than those produced by passive ligation and that the magnitude of this difference for the mesiodistal and buccolingual forces is clinically relevant. Additionally, it was determined that elastic ligation causes forces and moments to propagate further along the arch than passive ligation for all outcome variables. PMID: 25400715 [PubMed] (Source: Open Biomedical Engineering Journal)
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research

Introduction and testing of an alternative control approach for a robotic prosthetic arm.
Authors: Griggs L, Fahimi F Abstract Commercially available robotic prosthetic arms currently use independent joint control. An alternative controller involving only control of the hand in a Cartesian frame rather than controlling each joint independently is proposed and tested. An experimental 4DOF robotic arm was used as the platform for testing the proposed control approach. As opposed to joint control, Cartesian control requires the solution to the inverse kinematics problem. The inverse kinematics solution was developed for the robotic arm using the extended Jacobian method. The two control methodologies, join...
Source: Open Biomedical Engineering Journal - November 29, 2015 Category: Biomedical Engineering Tags: Open Biomed Eng J Source Type: research