Characterization of biomedical polymer surface interaction with human factor Xa.

abstract：:Muscular rigidity and atrophy caused by long-term underactivity usually lead to foot drop, strephenopodia, foot extorsion or some other complications for the lower limb movement disorders or lower limb surgery sufferers. The ankle-foot orthosis can help patients conduct the right ankle motion mode training, inhibit sp...

journal_title：Bio-medical materials and engineering

authors： Zhang C,Zhu Y,Fan J,Zhao J,Yu H

更新日期：2015-01-01 00:00:00

abstract：:The method used in this paper is developed to estimate the degree of viscoelasticity of the blood vessel wall in a noninvasive mechanical method. In this proposed method, we can obtain an output waveform connected with mechanical behavior of blood vessels by using Ultrasonic Doppler Effect Sensory (UDES). Characterizi...

journal_title：Bio-medical materials and engineering

authors： Yoshinari H,Yokobori AT Jr,Ohkuma T

更新日期：1994-01-01 00:00:00

abstract：:Hydroxyapatite has been rubbed against ultra-high-molecular-weight-polyethylene (UHMWPE) under calcium-containg aqueous solutions. Further, hardness tests were carried out in air and in calcium-containing solutions whose pH ranged from pH 5 to pH 9. Hardness was found to vary with pH with a peak at around pH 7, i.e. -...

journal_title：Bio-medical materials and engineering

authors： Mazeau G,Czernuszka JT

更新日期：2001-01-01 00:00:00

abstract：:The mechanical behavior of three styrenic thermoplastic block copolymer elastomers with applied surgical sutures was studied by uniaxial tensile testing. The materials exhibited oriented cylindrical microstructure. Distinct macroscopic deformation mechanisms have been observed upon stretching of samples with vertical ...

journal_title：Bio-medical materials and engineering

authors： Stasiak J,Nair S,Moggridge GD

更新日期：2014-01-01 00:00:00

abstract：:We have developed a novel multicomponent nano-hydroxyapatite-poly(D,L-lactide-co-glycolide)-collagen biomaterial (nHAP-PLGA-collagen) with mechanical properties similar to human cancellous bone. To demonstrate the bone forming capacity of nHAP-PLGA-collagen prior to in vivo experiments, nHAP-PLGA-collagen films and 3D...

journal_title：Bio-medical materials and engineering

authors： Bhuiyan DB,Middleton JC,Tannenbaum R,Wick TM

更新日期：2017-01-01 00:00:00

abstract：:Aqueous poly(vinyl alcohol) solutions were frozen at -20 degrees C for 6-12 h, and subsequently thawed for 1-2 h. The above mentioned process repeated for 1-3 times. After the specimen was dehydrated in vacuum, a kind of artificial articular cartilage--PVA-hydrogel--was developed. The micromorphology of PVA-hydrogel h...

journal_title：Bio-medical materials and engineering

authors： Gu ZQ,Xiao JM,Zhang XH

更新日期：1998-01-01 00:00:00

abstract：:The cilia, presenting a rotational movement in the embryonic nodes, play a crucial role in the left-right specification during embryogenesis. The characteristic architecture of these cilia is based on a cylindrical arrangement of 9 doublet microtubules and the motion of the cilia is triggered by the dynein motors loca...

journal_title：Bio-medical materials and engineering

authors： Chen D,Zhong Y,Shinohara K,Nishida T,Hasegawa T,Hamada H

更新日期：2014-01-01 00:00:00

abstract：:A surface plasmon resonance (SPR)-based biosensor was developed for specific detection of nine common respiratory virus, including influenza A and influenza B, H1N1, respiratory syncytial virus (RSV), parainfluenza virus 1-3 (PIV1, 2, 3), adenovirus, and severe acute respiratory syndrome coronavirus (SARS). The SPR bi...

journal_title：Bio-medical materials and engineering

authors： Shi L,Sun Q,He J,Xu H,Liu C,Zhao C,Xu Y,Wu C,Xiang J,Gu D,Long J,Lan H

更新日期：2015-01-01 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：: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：:The hip stem design based upon X-ray films requires sufficient information in order to customize for the patient. If the errors are resulted from rotating angles, more X-ray films may carry out the solution. The present study aimed to realize the improvement of multiple X-ray films for hip stem design. Eight X-ray fil...

journal_title：Bio-medical materials and engineering

authors： Wei HW,Chung MY,Huang VW,Cheng CK

更新日期：2004-01-01 00:00:00

abstract：:Various tissue-engineered vascular grafts have been studied in order to overcome the clinical disadvantages associated with conventional prostheses. However, previous tissue-engineered vascular grafts have possessed insufficient mechanical properties and thus have generally required either preoperative cellular manipu...

journal_title：Bio-medical materials and engineering

authors： Wang F,Mohammed A,Li C,Ge P,Wang L,King MW

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:To establish a method for mouse coronary angiography in vivo using synchrotron radiation, which is essential for physiological and pathological research on coronary diseases. METHODS:1) The imaging parameters (e.g., photon energy, spatial resolution of the detector, and injection rate of contrast agent) optima...

journal_title：Bio-medical materials and engineering

authors： Xu L,Zhang A,Du G,Xie H,Chen Y

更新日期：2014-01-01 00:00:00

abstract：:NiTi alloy used in dental prosthetic fixators shows pseudoelastic behaviour and exhibits a great potential in dental and orthopaedic applications where constant correcting loads are required. In order to use such materials in dental prosthetic fixators, where the device is cyclically deformed, it is necessary to inves...

journal_title：Bio-medical materials and engineering

authors： Sabrià J,Cortada M,Giner L,Gil FJ,Fernández E,Manero JM,Planell JA

更新日期：1996-01-01 00:00:00

abstract：:Intensity-Modulated Radiation Therapy (IMRT) mathematically forms a large-scale optimization problem. The development of an IMRT plan is computationally expensive resulting in time-consuming, inefficient, and difficult to develop high-quality IMRT plans. By combining prior knowledge with proposed novel measures derive...

journal_title：Bio-medical materials and engineering

authors： Zhou Z,Chen Y,Yu Z,Wang D,Zhao C,Xu J,Song W,Li B,Shen J,Zhu X

更新日期：2014-01-01 00:00:00

abstract：:Arrhythmia diagnosis is very significant to ensure human health. In this paper, a new model is developed for arrhythmia diagnosis. A salient feature of the algorithm is a synergistic combination of statistical and fuzzy set-based techniques. It is distribution-free and is realized in an unsupervised mode. Arrhythmia d...

journal_title：Bio-medical materials and engineering

authors： Li F,Zheng D,Zhao T

更新日期：2015-01-01 00:00:00

abstract：:Crystalline hydroxyapatite (HA) powder was coated on titanium substrate by radio frequency (RF) magnetron sputtering. The coating was homogeneous thin film and the thickness was 1microm. Crystallinity of the HA coating was low and Ca/P ratio was high as 3.0. Particle sizes were 40 to approximately 100 nm, and the crys...

journal_title：Bio-medical materials and engineering

authors： Ozeki K,Yuhta T,Aoki H,Nishimura I,Fukui Y

更新日期：2000-01-01 00:00:00

abstract：:In this study, biocompatibility of 17-4 PH stainless steel foam for biomedical implant applications was investigated. 17-4 PH stainless steel foams having porosities in the range of 40-82% with an average pore size of around 600 μm were produced by space holder-sintering technique. Sintered foams were precipitation ha...

journal_title：Bio-medical materials and engineering

authors： Mutlu I,Oktay E

更新日期：2011-01-01 00:00:00

abstract：:This work evaluated the effects of UV irradiation, plasma radiation, steam and 70% ethanol treatments on the sterilization and integrity of auto-crosslinked hyaluronic acid (HA-ACP) scaffolds structured in microparticles and sponges aiming in vivo applications for regenerative medicine of bone tissue. The integrity of...

journal_title：Bio-medical materials and engineering

authors： Shimojo AA,de Souza Brissac IC,Pina LM,Lambert CS,Santana MH

更新日期：2015-01-01 00:00:00

abstract：:The bonding strength of porcelains to metals depends on the oxide layer between the porcelain and the metal. Oxidation of a metal surface increases the bonding strength, whereas excessive oxidation decreases it. Titanium and its alloys are gaining acceptance for dental use since they exhibit excellent biocompatibility...

journal_title：Bio-medical materials and engineering

authors： Oshida Y,Hashem A

更新日期：1993-01-01 00:00:00

abstract：:A robust method for inducing bone-formation without an autograft has not been established. Currently, both platelet-rich plasma (PRP) and bone morphogenetic protein (BMP) have been widely investigated for their clinical use in such cases. However, their synergistic effect is still controversial and previously shown di...

journal_title：Bio-medical materials and engineering

authors： Yoshida K,Sumita Y,Marukawa E,Harashima M,Asahina I

更新日期：2013-01-01 00:00:00

abstract：:Some computer applications for cell characterization in medicine and biology, such as analysis of surface structure of cell wall-deficient EVC (El Tor Vibrio of Cholera), operate with cell samples taken from very small areas of interest. In order to perform texture characterization in such an application, only a few t...

journal_title：Bio-medical materials and engineering

authors： Li S,Hu K,Cai N,Su W,Xiong H,Lou Z,Lin T,Hu Y

更新日期：2001-01-01 00:00:00

abstract：:One goal of functional tissue engineering is to manufacture scaffolds infiltrated with chondrocytes which are suitable for transplantation into the lesion areas of articular cartilage. Various research strategies are used to fabricate cartilage transplants which would have the correct phenotype, contain enough extrace...

journal_title：Bio-medical materials and engineering

authors： Pulkkinen H,Tiitu V,Lammentausta E,Laasanen MS,Hämäläinen ER,Kiviranta I,Lammi MJ

更新日期：2006-01-01 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：:In order to explore the effects of hydrogen sulfide (H2S) on myocardial fibrosis in diabetic rats and its underlying mechanisms, intraperitoneal injections of streptozotocin were used to establish the diabetes models and sodium hydrosulfide (NaHS) was used as an exogenous donor of H2S. Eight weeks later, Van Gieson st...

journal_title：Bio-medical materials and engineering

authors： Xiao T,Zeng O,Luo J,Wu Z,Li F,Yang J

更新日期：2015-01-01 00:00:00

abstract：:The paper presents an application of the FSI technique to determine hemodynamics in the abdominal aorta (AA). To establish boundary conditions for the FSI study, MR anatomical data and 4D MRI velocity-mapping data (in three blood flow velocity directions and time) were collected to acquire realistic geometry of the AA...

journal_title：Bio-medical materials and engineering

authors： Zbicinski I,Veshkina N,Stefańczyk L

更新日期：2015-01-01 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：:The method of formation of bioactive calcium-phosphate coating on medical titanium alloy Ti-6Al-4V (3.5-5.3% V; 5.3-6.8% Al; balance -Ti) by plasma electrolytic oxidation (PEO) has been developed. Evaluation of osteogenerating properties of the coating at fractures of the shaft of the femur on Wistar line laboratory r...

journal_title：Bio-medical materials and engineering

authors： Gnedenkov SV,Sinebryukhov SL,Puz AV,Egorkin VS,Kostiv RE

更新日期：2016-01-01 00:00:00

abstract：OBJECTIVE:Normal pregnancy is associated with profound alterations in the maternal cardiovascular system and PPG represents a sensitive and convenient technique capable of tracking changes in the pulsatile function of arteries. The aim of this study was to investigate the effects of maternal cardiovascular alterations ...

journal_title：Bio-medical materials and engineering

authors： Su F,Li Z,Sun X,Han N,Wang L,Luo X

更新日期：2014-01-01 00:00:00

abstract：:The goal of the study was to determine material constants of cancellous tissue in a compression test taking into account stress-strain characteristics. The nineteen test samples were resected from a femoral head of a patient qualified for a hip replacement surgery. During the compression tests, load-displacement curve...

journal_title：Bio-medical materials and engineering

authors： Kokot G,Makuch A,Skalski K,Bańczerowski J

更新日期：2018-01-01 00:00:00