Surface degradation study of magnesium tested in simulated body fluid.

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：:Chitosan oligosaccharides graft polycaprolactone copolymer (PHCSO-g-PCL) has been synthesized via initiating the polymerization of e-caprolactone (CL) monomer through an amino group protection route using phthaloyl chitosan oligosaccharide (PHCSO) as intermediate. The grafting reaction was carried out in Pyridine at 1...

journal_title：Bio-medical materials and engineering

authors： Li F,Zhang X,Li H,Xiang L,Chen Y

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:The most common cause of coronary artery disease (CAD) is vascular damage with the cholesterol built-up and other materials on the inner arterial wall, known as atherosclerosis. OBJECTIVE:This paper aims to investigate the effect of stenosis on the hemodynamics in the four suspected coronary artery disease ...

journal_title：Bio-medical materials and engineering

authors： Kamangar S,Salman Ahmed NJ,Badruddin IA,Al-Rawahi N,Husain A,Govindaraju K,Yunus Khan TM

更新日期：2019-01-01 00:00:00

abstract：OBJECTIVE:To study the comprehensive biomechanical properties of the cancellous bone of distal femur through a series of mechanical tests, and provide relevant subjects with the basic technical data. BACKGROUND:The study on bone mechanics is a commonly used approach to evaluate the biomechanical competency of bone. Th...

journal_title：Bio-medical materials and engineering

authors： Du C,Ma H,Ruo M,Zhang Z,Yu X,Zeng Y

更新日期：2006-01-01 00:00:00

abstract：:Recent advances of fundamental research on the in vitro generation of red blood cells (RBCs) from hematopoietic stem cells in the laboratory open new possibilities of the utilization of cultured RBCs in transfusion medicine. We study the economic challenge of the setup and development of the mass industrial production...

journal_title：Bio-medical materials and engineering

authors： Mercier Ythier J

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Cuff electrodes have been widely used chronically in different clinical applications. Advancements have been made in selective stimulation by using multi-contact cuff electrodes. Steering anodic current is a strategy to increase selectivity by reshaping and localizing electric fields. There are two configura...

journal_title：Bio-medical materials and engineering

authors： Taghipour-Farshi H,Frounchi J,Ahmadiasl N,Shahabi P,Salekzamani Y

更新日期：2015-01-01 00:00:00

abstract：:Milkvetch root as a medicine has been used for more over 2000 years in China, can strengthen immune function, protect liver, promote urination, resist aging and stress, reduce blood pressure and extensively resist bacterium. This study explored the effects of milkvetch root on the immune function of patients with a de...

journal_title：Bio-medical materials and engineering

authors： Jiang D,Wang X,Su Q,Jiang S,Yuan F,Zhang C,Gong F,Dong Q,Shi J,Chen B

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Gait analysis, such as portable gait rhythmogram (PGR), provides objective information that helps in the quantitative evaluation of human locomotion. OBJECTIVE:The purpose of this study was to assess the reliability of PGR in post-stroke patients. METHODS:Two raters (A and B) examined 48 post-stroke patien...

journal_title：Bio-medical materials and engineering

authors： Miyata R,Matsumoto S,Miura S,Kawamura K,Uema T,Miyara K,Niibo A,Hoei T,Ogura T,Shimodozono M

更新日期：2020-01-01 00:00:00

abstract：:Level set method has been widely used in medical image analysis, but it has difficulties when being used in the segmentation of left ventricular (LV) boundaries on echocardiography images because the boundaries are not very distinguish, and the signal-to-noise ratio of echocardiography images is not very high. In this...

journal_title：Bio-medical materials and engineering

authors： Zhang Y,Gao Y,Li H,Teng Y,Kang Y

更新日期：2015-01-01 00:00:00

abstract：:Acrylic resins have been used in many different applications in dentistry, especially in the fabrication of provisional fixed partial dentures. Ideally, a provisional crown and bridge material should be easy to handle and should protect teeth against physical, chemical, and thermal injuries. Some of the problems assoc...

journal_title：Bio-medical materials and engineering

authors： Panyayong W,Oshida Y,Andres CJ,Barco TM,Brown DT,Hovijitra S

更新日期：2002-01-01 00:00:00

abstract：:This paper presents an X-ray diffraction method of measuring the residual stress/strain in bone tissue of rabbit's tibia. To derive the residual stress, bone powder of the diameter less than 40 micrometers was used as a control specimen at non-stressed state. From the X-ray measurements, it was clear that the distribu...

journal_title：Bio-medical materials and engineering

authors： Tadano S,Okoshi T

更新日期：2006-01-01 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：BACKGROUND:Introduction of a new generation of artificial ligaments for ACL reconstruction, the Ligament Augmentation and Reconstruction System (LARS), gives promising clinical results [1]. The current literature supports the use of LARS from short to medium term. To go even further to improve the biocompatibility of t...

journal_title：Bio-medical materials and engineering

authors： Lessim S,Migonney V,Thoreux P,Lutomski D,Changotade S

更新日期：2013-01-01 00:00:00

abstract：:Since adhesive technology was introduced into dental field, metal-based restoration has been gradually replaced by metal-free restoration. Using the adhesive technology, minimum invasive technique has been possible in daily clinical practice as well as esthetic tooth-colored restorations have become very popular all o...

journal_title：Bio-medical materials and engineering

authors： Nagano F,Selimovic D,Noda M,Ikeda T,Tanaka T,Miyamoto Y,Koshiro K,Sano H

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Age is the most important risk factor for primary osteoarthritis (OA). Members of the TGF-β superfamily play a crucial role in chondrocyte differentiation and maintenance of healthy articular cartilage. OBJECTIVE:We have investigated whether age-related changes in TGF-β superfamily signaling components play...

journal_title：Bio-medical materials and engineering

authors： van der Kraan PM

更新日期：2014-01-01 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：:Wearable robotic devices provide safe and intensive rehabilitation, enabling repeated motions for motor function recovery in stroke patients. The aim of this small case series was to demonstrate the training effects of a three-week robotic leg orthosis, and to investigate possible mechanisms of the sensory-motor alter...

journal_title：Bio-medical materials and engineering

authors： Li L,Ding L,Chen N,Mao Y,Huang D,Li L

更新日期：2015-01-01 00:00:00

abstract：:Dry emulsion containing curcumin (DE-CUR) was prepared for oral delivery of poorly water-soluble curcumin, and its oral bioavailability and antiasthmatic efficacy was evaluated. After comparison of the solubility of curcumin in various oils, Plurol® Oleique CC497 was selected to be the oil phase due to its higher solu...

journal_title：Bio-medical materials and engineering

authors： Jang DJ,Kim ST,Oh E,Lee K

更新日期：2014-01-01 00:00:00

abstract：:This paper presents the single channel speech enhancement system using subband Kalman filtering by estimating optimal Autoregressive (AR) coefficients and variance for speech and noise, using Weighted Linear Prediction (WLP) and Noise Weighting Function (NWF). The system is applied for normal and Oesophageal speech si...

journal_title：Bio-medical materials and engineering

authors： Ishaq R,García Zapirain B

更新日期：2014-01-01 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：: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：:We previously reported a simple method for the preparation of size-controlled spherical silver nanoparticles (Ag NPs) generated by autoclaving a mixture of silver-containing glass powder and glucose. The particle size is regulated by the glucose concentration, with concentrations of 0.25, 1.0 and 4.0 wt% glucose provi...

journal_title：Bio-medical materials and engineering

authors： Nguyen VQ,Ishihara M,Mori Y,Nakamura S,Kishimoto S,Fujita M,Hattori H,Kanatani Y,Ono T,Miyahira Y,Matsui T

更新日期：2013-01-01 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：:To better analyze images with the Gaussian white noise, it is necessary to remove the noise before image processing. In this paper, we propose a self-adaptive image denoising method based on bidimensional empirical mode decomposition (BEMD). Firstly, normal probability plot confirms that 2D-IMF of Gaussian white noise...

journal_title：Bio-medical materials and engineering

authors： Guo S,Luan F,Song X,Li C

更新日期：2014-01-01 00:00:00

abstract：:The mechanical properties of a contracting smooth muscle can be changed by changing its length. A viscoelastic material model was developed to predict the length-dependent stiffness changes when a constrained muscle is allowed to shorten under a constant external force. Three-dimensional finite element simulations wer...

journal_title：Bio-medical materials and engineering

authors： Pidaparti RM,Liu Y,Meiss RA

更新日期：1997-01-01 00:00:00

abstract：:Intraocular lenses (IOL) made of polymethyl methacrylate (PMMA) lack an important yellowish pigment useful as a filter in the visual process and in the protection of the retina from short wavelength light. It was found that the PMMA used for IOL manufacturing can be tinted by dry exposure to mercury near-UV emitting l...

journal_title：Bio-medical materials and engineering

authors： Babizhayev MA,Chumayevskii NA

更新日期：1994-01-01 00:00:00

abstract：INTRODUCTION:Repairing contour defects is a challenge in plastic surgery. Different filling materials have been used with inadequate results and complications. The autologous fat transfer is the standard technique at the moment, but adipose tissue reserves are limited. The aim of our study was to compare in vivo on an ...

journal_title：Bio-medical materials and engineering

authors： Mojallal A,Lequeux C,Auxenfans C,Braye F,Damour O

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Surface replication is a nondestructive evaluation technique applied in examining surface wear by recording surface irregularities, especially in conditions when surfaces of interest cannot be further manipulated to fit directly under a microscope to be examined. Enamel is the outermost protective layer of t...

journal_title：Bio-medical materials and engineering

authors： Ijbara M,Wada K,Wada J,Jayawardena JA,Miyashin M

更新日期：2020-01-01 00:00:00

abstract：:Fracture toughness (KIC), critical stress intensity factor, and bending strength of 3 types of commercially available dental composite resins (macrofilled, hybrid and microfilled type) were determined using three point bend specimens. Acoustic Emission (AE), which is the generation of elastic wave due to the release o...

journal_title：Bio-medical materials and engineering

authors： Kim KH,Park JH,Imai Y,Kishi T

更新日期：1991-01-01 00:00:00

abstract：:Hydroxyapatite is widely utilized as a component in dental hygiene agents. The ability to adsorb and remove dental plaque adhering to tooth surfaces is recognized as an important property of hydroxyapatite particles. In this study, the adsorptive ability of hydroxyapatite was evaluated based on its adsorptive amount a...

journal_title：Bio-medical materials and engineering

authors： Niwa M,Li W,Sato T,Daisaku T,Aoki H,Aoki H

更新日期：1999-01-01 00:00:00