Age-related alterations in TGF beta signaling as a causal factor of cartilage degeneration in osteoarthritis.

abstract：:To evaluate the influence of Zn on the formation of hydroxyapatite (HA), zinc-containing glass 58S4Z was prepared by substitution of CaO with 4 wt% ZnO in 58S bioactive glass, and Zn-containing simulated body fluid (ZnSBF) was prepared as soaking fluid. During the soaking, all samples could induce the deposition of HA...

journal_title：Bio-medical materials and engineering

authors： Du RL,Chang J

更新日期：2006-01-01 00:00:00

abstract：:The values of the propagation coefficient measured on a silicon rubber tube in the frequency range 1-15 Hz were compared, using four different equations. The first formula is based on three simultaneous pressure measurements performed at equidistant points; the remaining three equations are original, and make use of o...

journal_title：Bio-medical materials and engineering

authors： Ursino M,Artioli E

更新日期：1992-10-01 00:00:00

abstract：BACKGROUND:Previously we found that a group of phosphorylated proteins (SIBLINGs) in bone binds with the Ti-device, and increases the early bone formation around the Ti-implants remarkably. From these results, we explained the biochemical mechanism of a strong bond between living bone and Ti, which was discovered by Br...

journal_title：Bio-medical materials and engineering

authors： Song Q,Yagami K,Furusawa T,Takita H,Kurasaki M,Tokura S,Morimoto K,Sammons R,Iku S,Kuboki Y

更新日期：2020-01-01 00:00:00

abstract：:Experimental results on the platelet adhesion, and CHO cell adhesion and growth onto nonionic surfactant which is composed of a long alkyl chain (n = 12-18) as the hydrophobic part, and a polyethyleneoxide (PEO) segment (n = 10-23) as the hydrophilic part coated and air-plasma treated PSf surfaces are presented in ter...

journal_title：Bio-medical materials and engineering

authors： Khang G,Jeong BJ,Lee HB,Park JB

更新日期：1995-01-01 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：:To investigate the inhibition effect of oxymatrine induces human lung cancer A549 cells apoptosis. The A549 cells were cultured for 24 h, than the various concentration of oxymatrine (2 mmol/L, 4 mmol/L, 8 mmol/L, 15 mmol/L) were added into different experimental group cells, and 5-fluorouracil were added into the pos...

journal_title：Bio-medical materials and engineering

authors： Wang B,Han Q,Zhu Y

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：:The aim of this study is to design a statistical segmentation technique to allow extraction of grey matter, white matter and cerebral spinal fluid volumes from diffusion tensor imaging. Four channel maps of the DTI are used as the input features, which provide more information for brain tissue segmentation compared wi...

journal_title：Bio-medical materials and engineering

authors： Wen Y,He L

更新日期：2014-01-01 00:00:00

abstract：:The objective of the present study was to find a standard substance for use as a reference in the cytotoxicity assay of biomaterials, as an alternative to animal experiments in recent years. Eight kinds of rubber were made in a plate shape to keep their surface area at 1 cm2 against 10 ml of extract volume. They were ...

journal_title：Bio-medical materials and engineering

authors： Oshima H,Nakamura M

更新日期：1994-01-01 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：: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 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：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：: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：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: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 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：: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：:Local strains acting across an area of skin loaded uniaxially in vivo are converted to stresses using the standard elastic formulae. The stress values are compared to those obtained using the classical Bossinesq and Michell stress functions. The results indicate that these functions are capable of describing the respo...

journal_title：Bio-medical materials and engineering

authors： Wan Abas WA,Asseli MR

更新日期：1994-01-01 00:00:00

abstract：:This paper explores mouse kidney imaging with diffraction enhanced imaging (DEI) and inline outline X-ray imaging (IOXI) technology, and evaluates latent value of kidney imaging with phase contrast imaging technology. In our experiment, spatial resolution and tissue contrast serve as element evaluation and comparison....

journal_title：Bio-medical materials and engineering

authors： Xia C,Peng YF,Arun KY,Xiao T,Zhu P,He W

更新日期：2014-01-01 00:00:00

abstract：:Skilled behavior is difficult or impossible to articulate explicitly by the performers. Likewise biomechanical models of skilled motor actions are often limited by the lack of knowledge of the underlying mechanisms. A 'behavioral cloning' technique is described, based on a trained artificial neural network (ANN), that...

journal_title：Bio-medical materials and engineering

authors： Andrews BJ,Davoodi R,Kamnik R,Bajd T

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:Platelet-rich plasma (PRP) has been used to solubilize freeze-dried chitosan (CS) formulations to form injectable implants for tissue repair. OBJECTIVE:To determine whether the in vitro performance of the formulations depends on the type of PRP preparation used to solubilize CS. METHODS:Formulations contai...

journal_title：Bio-medical materials and engineering

authors： Ghazi Zadeh L,Chevrier A,Lamontagne M,Buschmann MD,Hoemann CD,Lavertu M

更新日期：2019-01-01 00:00:00

abstract：:In this study, a computer-aided detection (CAD) system was developed for the detection of lung nodules in computed tomography images. The CAD system consists of four phases, including two-dimensional and three-dimensional preprocessing phases. In the feature extraction phase, four different groups of features are extr...

journal_title：Bio-medical materials and engineering

authors： Demir Ö,Yılmaz Çamurcu A

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：BACKGROUND:Great potential of cellular therapies has generated extensive research in the field of cells harvesting and culturing. Transplantation of cell cultures has been used in a variety of therapeutic programs but in many cases it appeared that biomaterial scaffold or sheath would enhance cells regenerative potenti...

journal_title：Bio-medical materials and engineering

authors： Marycz K,Szarek D,Grzesiak J,Wrzeszcz K

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：:This study aimed to determine the optimal starting material for the development of an acellular osteochondral graft. Osteochondral tissues from three different species were characterised; pig (6 months), cow (18 months) and two ages of sheep (8-12 months and >4 year old). Tissues from the acetabulum and femoral head o...

journal_title：Bio-medical materials and engineering

authors： Fermor HL,McLure SW,Taylor SD,Russell SL,Williams S,Fisher J,Ingham E

更新日期：2015-01-01 00:00:00

abstract：:The debris generated by the progressive wear of total joint replacement (TJR) devices is considered a primary cause of osteolysis, bone resorption, and premature failure of artificial hips and knees. The vast majority of this debris originates from the UHMWPE articulating surfaces caused by tribological interaction wi...

journal_title：Bio-medical materials and engineering

authors： Davidson JA,Poggie RA,Mishra AK

更新日期：1994-01-01 00:00:00

abstract：:Sepsis is a systemic inflammatory response syndrome with high mortality, which results from severe infection and can lead to secondary organ dysfunction. It is one of the most common cause of death in intensive care unit. Clinical reports have shown that sepsis was often accompanied by thyroid dysfunction, which is ca...

journal_title：Bio-medical materials and engineering

authors： Luo B,Yu Z,Li Y

更新日期：2017-01-01 00:00:00

abstract：:The selection of best material pair in the hip prosthetics design for improved performance and life relies on the estimation of hip joint contact stresses and contact pressure distribution during various dynamic loading cycles: Climbing Upstairs, Climbing downstairs and Knee bending. The maximum Von Mises stress, cont...

journal_title：Bio-medical materials and engineering

authors： Kalayarasan M,Shankar S,Manikandan M,Adithan K

更新日期：2018-01-01 00:00:00