Mechanical loading characteristics of total hip prosthetics subjected to dynamic loading cycles.

abstract：:Bioartificial liver support provides a bridge to transplantation which is at present the only proven specific treatment for acute liver failure. In this paper, a novel multi-coaxial hollow fiber bioreactor so-called "Fibre-in-Fibre FIF Bioartificial liver device" with three compartments is experimentally and mathemati...

journal_title：Bio-medical materials and engineering

authors： Hilal-Alnaqbi A,Mourad AH,Yousef BF,Gaylor JD

更新日期：2013-01-01 00:00:00

abstract：OBJECTIVE:Understanding the biomechanical properties of hernia meshes is essential in facilitating their selection. The aim of this study was to evaluate the mechanical compatibility of hernia meshes and human abdominal fascia and assess their applicability in hernia repair. METHODS:Uniaxial tensile tests were perform...

journal_title：Bio-medical materials and engineering

authors： Doneva M,Pashkouleva D

更新日期：2018-01-01 00:00:00

abstract：:Electroencephalograph (EEG) signals feature extraction and processing is one of the most difficult and important part in the brain-computer interface (BCI) research field. EEG signals are generally unstable, complex and have low signal-noise ratio, which is difficult to be analyzed and processed. To solve this problem...

journal_title：Bio-medical materials and engineering

authors： Wei Y,Jun Y,Lin S,Hong L

更新日期：2014-01-01 00:00:00

abstract：:The balance between extracellular inorganic phosphate (ePi) and extracellular inorganic pyrophosphate (ePPi) is controlled by four membrane proteins: the transporters ANK (exporting PPi outside the cells) and PiT-1 (importing ePi into the cells), and the enzymes PC-1 (generating ePPi from nucleotides) and Tissue Non-s...

journal_title：Bio-medical materials and engineering

authors： Hamade T,Bianchi A,Sebillaud S,Netter P,Jouzeau JY,Cailotto F

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:The periodontal ligament (PDL), which maintains homeostasis in the periodontium, is a group of specialized connective tissue fibers attached to both the cementum and alveolar bone. Regeneration of periodontium with PDL cells has been investigated, and the chemical and molecular structures of scaffolds contro...

journal_title：Bio-medical materials and engineering

authors： Fujita K,Nozaki K,Horiuchi N,Yamashita K,Miura H,Nagai A

更新日期：2018-01-01 00:00:00

abstract：:In this second part of the series of reviews, attention focuses on analytical and numerical methods that have been used to estimate the magnitude of the contact stress in: models of articular joints; models of total joint replacements, without and with the associated joint; or models of simple physical systems that ar...

journal_title：Bio-medical materials and engineering

authors： Lewis G

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:The use of helmets was considered to be one of the important prevention strategies employed on construction sites. The shock absorption performance of a construction (or industrial) helmet is its most important performance parameter. Industrial helmets will experience cumulative structural damage when being ...

journal_title：Bio-medical materials and engineering

authors： Wu JZ,Pan CS,Ronaghi M,Wimer BM,Reischl U

更新日期：2021-01-01 00:00:00

abstract：:Mechanical testing has been performed to characterize the locking strength of Morse taper locks used for reconstruction of large bone defects. Taper joint pairs were locked with a series of compressive loads increasing from 500 to 3500 N. Following each load application the taper locks were distracted with either an a...

journal_title：Bio-medical materials and engineering

authors： Duda GN,Elias JJ,Valdevit A,Chao EY

更新日期：1997-01-01 00:00:00

abstract：:In this investigation, ultrasonic parameters of kidney stones are measured, in vitro, using a double probe ultrasonic-through-transmission technique. Due to the complex chemical structure of these stones, a large variation in the values of the ultrasonic parameters is found. A correlation between ultrasonic properties...

journal_title：Bio-medical materials and engineering

authors： Singh VR,Dhawan JB

更新日期：1992-07-01 00:00:00

abstract：:The effect of hydroxyapatite sol (HAm) which is composed of unheating hydroxyapatite microcrystal particle on cell proliferation and alkaline phophatase activity in osteoblastic MC3T3-E1 cells, was examined in the presence or absence of fetal calfe serum (FCS) in the medium. In the absence of FCS, HAm inhibited the ce...

journal_title：Bio-medical materials and engineering

authors： Iwakami T,Imai T

更新日期：2002-01-01 00:00:00

abstract：:To evaluate the deterioration in the superelasticity of Ti-coated NiTi orthodontic wires, titanium was coated onto wires to form a 1-microm thick film using radio frequency magnetron sputtering. In superelasticity cycle tests, the sigma5.0 value (the stress at 5.0% strain) of a Ti-coated wire was lower than that of a ...

journal_title：Bio-medical materials and engineering

authors： Ozeki K,Yuhta T,Aoki H,Asaoka T,Daisaku T,Fukui Y

更新日期：2003-01-01 00:00:00

abstract：:Morse code is now being harnessed for use in rehabilitation applications of augmentative-alternative communication and assistive technology, including mobility, environmental control and adapted worksite access. In this paper, Morse code is selected as a communication adaptive device for disabled persons who suffer fr...

journal_title：Bio-medical materials and engineering

authors： Yang CH,Luo CH,Yang CH,Chuang LY

更新日期：2004-01-01 00:00:00

abstract：:In this work composite materials, based on quartz fibers and epoxy resins, were employed with the aim to restore damaged teeth. The composite materials were chosen because they show biomechanical features very similar to that of the dentine, the main constituent of the tooth. Extracted teeth were rebuilt with two diff...

journal_title：Bio-medical materials and engineering

authors： Visco AM,Calabrese L,Campo N,Torrisi L,Oteri G,Lo Giudice G,Cicciù D

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:We aimed to develop a novel ultrasound system and examine its feasibility for noninvasively detecting thoracic aortic aneurysm (TAA) in clinical settings. METHODS:We developed a novel ultrasound system consisting of a modified console and data analysis algorithm. The exploratory study included 100 patients h...

journal_title：Bio-medical materials and engineering

authors： Hayatsu Y,Watanabe K,Sasaki K,Masaki N,Katahira S,Kumagai K,Kawamoto S,Ohmi T,Yokobori AT Jr,Saiki Y

更新日期：2019-01-01 00:00:00

abstract：:In this paper, a new method for individual tooth segmentation was proposed. The proposed method is composed of enhancement and extraction of boundary and seed of watershed algorithm using trisection areas by morphological characteristic of teeth. The watershed algorithm is one of the conventional methods for tooth seg...

journal_title：Bio-medical materials and engineering

authors： Na SD,Lee G,Lee JH,Kim MN

更新日期：2014-01-01 00:00:00

abstract：:The ion selective transport plays an important role in the function of cell membranes, and promotes the application of artificial permeable membranes. This phenomenon has been studied in case for different diameters and functional groups of nanopores. In this work, we focus on the effect of anions on cation selectivit...

journal_title：Bio-medical materials and engineering

authors： Tang D,Kim D

更新日期：2014-01-01 00:00:00

abstract：:Commercially pure titanium (CPT) substrate was subjected to porcelain firing and bond strengths under three-point bending mode (span length: 15 mm; crosshead speed: 0.5 mm/min) were evaluated. Experimental variables included surface treatments of CPT and porcelain firing schedules. Variables for the surface treatments...

journal_title：Bio-medical materials and engineering

authors： Oshida Y,Fung LW,Isikbay SC

更新日期：1997-01-01 00:00:00

abstract：:The aim of this study was to assess the characteristics of the CaP/Col composites, in powder and fiber form, via scanning electron microscopy (SEM), pH and calcium release evaluation after immersion in SBF and to evaluate the performance of these materials on the bone repair process in a tibial bone defect model. For ...

journal_title：Bio-medical materials and engineering

authors： Ueno FR,Kido HW,Granito RN,Gabbai-Armelin PR,Magri AM,Fernandes KR,da Silva AC,Braga FJ,Renno AC

更新日期：2016-08-12 00:00:00

abstract：:The present review surveys studies on physical-chemical properties and biological response of living tissues to NiTi (Nitinol) carried out recently, aiming at an understanding of the place of this material among the implant alloys in use. Advantages of shape memory and superelasticity are analyzed in respect to functi...

journal_title：Bio-medical materials and engineering

authors： Shabalovskaya SA

更新日期：2002-01-01 00:00:00

abstract：OBJECTIVES:Chondrocytes hypertrophy is a physiological process observed in endochondral ossification during development until adolescence in human. It can also be observed during pathophysiological conditions such as osteoarthritis. Hypertrophic chondrocytes synthesise collagen X and express matrix metalloproteinase 13...

journal_title：Bio-medical materials and engineering

authors： Filip A,Bianchi A,Mainard D,Lacolley P,Magdalou J,Mercier N

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Accelerated hydrothermal aging has long been one of the most widely accepted quality control tests for simulating low-temperature degradation (LTD) in zirconia-containing implants used in total hip arthroplasty (THA). However, it is still unclear how much consistency there is between the experimental predict...

journal_title：Bio-medical materials and engineering

authors： Tateiwa T,Takahashi Y,Pezzotti G,Shishido T,Masaoka T,Sano K,Yamamoto K

更新日期：2020-01-01 00:00:00

abstract：:To build a patient specific respiratory motion model with a low dose, a novel method was proposed that uses a limited number of 3D lung CT volumes with an external respiratory signal. 4D lung CT volumes were acquired for patients with in vitro labeling on the upper abdominal surface. Meanwhile, 3D coordinates of in vi...

journal_title：Bio-medical materials and engineering

authors： Cui X,Gao X,Xia W,Liu Y,Liang Z

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVES:to assess reliability and reproducibility of quantitative MRI (7 T) in assessing rat femoro-tibial cartilage volume. METHODS:5 healthy rat knees were scanned in vivo using a 7 T experimental imager. Sagittal high resolution 3D Gradient Echo with fat suppression sequences were performed with a dedicated home...

journal_title：Bio-medical materials and engineering

authors： Goebel JC,Bolbos R,Pinzano A,Schaeffer M,Rengle A,Galois L,Etienne S,Netter P,Loeuille D,Beuf O,Gillet P

更新日期：2008-01-01 00:00:00

abstract：:Motor imagery EEG-based BCI has advantages in the assistance of human control of peripheral devices, such as the mobile robot or wheelchair, because the subject is not exposed to any stimulation and suffers no risk of fatigue. However, the intensive training necessary to recognize the numerous classes of data makes it...

journal_title：Bio-medical materials and engineering

authors： Yu W,Feng H,Feng Y,Madani K,Sabourin C

更新日期：2015-01-01 00:00:00

abstract：:Sunscreens that absorb UV light without photodegradation could reduce skin cancer. Polyvinyl silsesquioxanes are known to have greater thermal and photochemical stability than organic compounds, such as those in sunscreens. This paper evaluates the UV transparency of vinyl silsesquioxanes (VS) and its hybrids with SiO...

journal_title：Bio-medical materials and engineering

authors： Wang H,Lin D,Wang D,Hu L,Huang Y,Liu L,Loy DA

更新日期：2014-01-01 00:00:00

abstract：:Based upon previous research on the relation between hip prosthesis designs and strain distributions in a proximal femur model, a prototype of a "physiological" hip prosthesis was designed and manufactured. Strain gauge measurements on a dry femur before and after implantation of this prosthesis were made in different...

journal_title：Bio-medical materials and engineering

authors： Vander Sloten J,Labey L,Van Audekercke R,Van der Perre G

更新日期：1993-04-01 00:00:00

abstract：:An alternative non-vascular extracellular material was obtained by decellularisation of porcine urinary bladder and examined for its potential as scaffold for vascular tissue engineering. Analysis using Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM) and Laser Scanning Microscopy (LSCM) showed a poro...

journal_title：Bio-medical materials and engineering

authors： Piterina AV,Callanan A,Davis L,Meaney C,Walsh M,McGloughlin TM

更新日期：2009-01-01 00:00:00

abstract：:A double-layered tube consisting of a porous inner tube and a solid outer tube was used to perfuse isotonic saline solution into blood to prevent blood cell adhesion. Polystyrene/poly(styrene-co-butadiene) (PS-SBR) porous tubes were made using a dipping method. Citrated canine blood was circulated for 30 min with the ...

journal_title：Bio-medical materials and engineering

authors： Kim SS,Park JB

更新日期：1993-07-01 00:00:00

abstract：:Two different types of colloidal lipid particles are presented and compared as innovative carrier systems. Size distribution and storage stability of formulations produced by hot high pressure homogenisation in lab and medium scale production were investigated by laser diffractometry (LD) and photon correlation spectr...

journal_title：Bio-medical materials and engineering

authors： Saupe A,Wissing SA,Lenk A,Schmidt C,Müller RH

更新日期：2005-01-01 00:00:00

abstract：:A layer of L-glycine-molecule-imprinted polyaniline (LMIP-PANI) polymer film has been modified on a carbon fiber electrode for the determination of L-glycine standard samples and L-glycine in cerebrospinal fluid of wistar mice. It has been found that a linear relationship exists between current and concentration for t...

journal_title：Bio-medical materials and engineering

authors： Zeng H,Wang D,Yu J

更新日期：2014-01-01 00:00:00