Biodegradable/biocompatible coated metal implants for orthopedic applications.

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：:Synthetic grafting materials, such as calcium phosphates (hydroxyapatite, HA; tricalcium phosphate, TCP), polymers, or composites thereof, can be used as osteoconductive scaffolds and delivery vehicles for osteoinductive growth factors. Carrier materials must be engineered to deliver these factors in a controlled fash...

journal_title：Bio-medical materials and engineering

authors： Santoni BG,Pluhar GE,Motta T,Wheeler DL

更新日期：2007-01-01 00:00:00

abstract：:The stability of the Co-Cr-Mo dental alloy immersed in artificial salivas (pH 6.7) was investigated over 24 h. Three artificial salivas have been studied: saline saliva (saliva I); saline saliva buffered with phosphate ions (saliva II) and saliva II plus mucin molecules (saliva III). For all the systems, open circuit ...

journal_title：Bio-medical materials and engineering

authors： de Aguiar SR,Nicolai M,Almeida M,Gomes A

更新日期：2015-01-01 00:00:00

abstract：BACKGROUND:Retearing mechanism after transosseous equivalent (TOE) rotator cuff repair has not been fully clarified yet. OBJECTIVE:The purposes of this study were to compare the stress distribution pattern in the tendon stump between knotted and knotless TOE repair and to investigate the role of suture tension applied...

journal_title：Bio-medical materials and engineering

authors： Sano H,Tokunaga M,Noguchi M,Inawashiro T,Irie T,Abe H,Yokobori AT

更新日期：2017-01-01 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：:Food systems are complex and inhomogeneous in nature. Ultrasonic propagation velocity in the food systems, in this case processed milk cream and vegetable oils, is studied. Ultrasonic properties of the food systems are similar to those of complex biological tissues. The presence of vegetable oil as an adulterant in th...

journal_title：Bio-medical materials and engineering

authors： Singh VR,Kumar A

更新日期：1992-04-01 00:00:00

abstract：:Most drug delivery systems as treatment modalities for osteomyelitis have not been evaluated for resistant infections. Tigecycline (TG) is an antimicrobial agent that could be used in the treatment of multi-drug-resistant orthopedic infections. The objective of this in vitro study has been to determine what dosage of ...

journal_title：Bio-medical materials and engineering

authors： Ignjatović NL,Ninkov P,Sabetrasekh R,Lyngstadaas SP,Uskoković DP

更新日期：2014-01-01 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：BACKGROUND:Scallop shell powder is called bioshell calcium oxide (BiSCaO), which is known to possess deodorizing properties and broad antimicrobial activity against various pathogenic microbes, including viruses, bacteria, spores, and fungi. OBJECTIVE:This study aims to investigate the applications of BiSCaO suspensio...

journal_title：Bio-medical materials and engineering

authors： Takayama T,Ishihara M,Sato Y,Nakamura S,Fukuda K,Murakami K,Yokoe H

更新日期：2020-01-01 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：: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：:An acid-base resistant zone (ABRZ) has been shown to be created under a hybrid layer in a self-etching adhesive system at the adhesive/dentin interface. The purpose of this study was to assess the nanostructure of the ABRZ by applying all-in-one adhesive systems. Human premolar dentin was treated with one of two all-i...

journal_title：Bio-medical materials and engineering

authors： Nikaido T,Weerasinghe DD,Waidyasekera K,Inoue G,Foxton RM,Tagami J

更新日期：2009-01-01 00:00:00

abstract：:The current density of Ti-56mass%Ni (Ti-50at.%) alloy after abrasion in simulated bioliquids was measured using a potentiostat to estimate the amount of metallic ions released from the alloy during repassivation and maturation. The current density in saline, saline with and without N2 bubbling, and Hanks' solutions wi...

journal_title：Bio-medical materials and engineering

authors： Watarai M,Hanawa T,Moriyama K,Asaoka K

更新日期：1999-01-01 00:00:00

abstract：:Three patterned systems aiming at the control of mammalian cell behavior are presented. The determinant feature common to these systems is the spatial distribution of extracellular matrix (ECM) proteins (mainly collagen) on polymer substrates. This distribution differs from one system to another with respect to the sc...

journal_title：Bio-medical materials and engineering

authors： Dupont-Gillain CC,Alaerts JA,Dewez JL,Rouxhet PG

更新日期：2004-01-01 00:00:00

abstract：:The objective of this study is to evaluate whether the accumulation model developed by Zarfl et al. (2008) could be used to predict the minimal inhibitory concentration (MIC) of a group of antibacterial fluoroquinolones (FQs) for Escherichia coli (E. coli). Our model, which is based on the "Fick-Nernst-Planck" equatio...

journal_title：Bio-medical materials and engineering

authors： Zhang W,Wang C,Tam KY

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Adhesive resin composite, which is used to bond orthodontic bracket to tooth surface is exposed to the influence of wear by tooth brushing and wear may influence loosening of the bracket. OBJECTIVE:The aim of this study was to evaluate in vitro the effect of tooth brushing on the adhesion strength of orthod...

journal_title：Bio-medical materials and engineering

authors： Durgesh BH,Alhijji S,Hashem MI,Al Kheraif AA,Durgesh P,Elsharawy M,Vallittu PK

更新日期：2016-09-28 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：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：: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：: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：:Hyaluronic acid (HA) was used as an internal phase additive to improve the loading efficiency of ofloxacin, a hydrophilic drug encapsulated by hydrophobic polylactic-co-glycolic acid (PLGA) materials, through a double emulsion (water-in-oil-in-water) solvent extraction/evaporation method. Results from laser distributi...

journal_title：Bio-medical materials and engineering

authors： Wu G,Chen L,Li H,Wang YJ

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Stenting has been proposed as an effective treatment to restore blood flow in obstructed arteries by plaques. Although several modified designs for stents have been suggested, most designs have the risk of disturbing blood flow. OBJECTIVE:The main objective is to propose a stent design to attain a uniform l...

journal_title：Bio-medical materials and engineering

authors： Beigzadeh B,Mirmohammadi SA,Ayatollahi MR

更新日期：2017-01-01 00:00:00

abstract：:Magnesium has attracted a lot of attention as a new class of biodegradable material. The surface properties of magnesium in simulated body fluid (SBF) were investigated in the current research work. Cast magnesium samples with different surface characteristics were prepared which were then placed in SBF for 2, 4 and 8...

journal_title：Bio-medical materials and engineering

authors： Sana A,Malik I,Mujahid M,Akram MA,Adeel Umer M

更新日期：2019-01-01 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：: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：:Modeling of thermal-induced mechanical behaviors of soft tissues is of great importance for thermal ablation. This paper presents a method by integrating the heating process with thermal-induced mechanical deformations of soft tissues for simulation and analysis of the thermal ablation process. This method combines bi...

journal_title：Bio-medical materials and engineering

authors： Li X,Zhong Y,Jazar R,Subic A

更新日期：2014-01-01 00:00:00

abstract：UNLABELLED:It is suggested that nanophase hydroxyapatite (nHAP) might have advantages over conventional hydroxyapatite (cHAP) as a biomaterial for bone regeneration. To be a satisfactory candidate for bone tissue engineering, it is important to support the growth and differentiation of bone marrow-derived mesenchymal s...

journal_title：Bio-medical materials and engineering

authors： Zhou GS,Su ZY,Cai YR,Liu YK,Dai LC,Tang RK,Zhang M

更新日期：2007-01-01 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：:MicroRNAs (miRNAs) are a group of endogenous noncoding small RNAs characterized by high conservation; furthermore, various studies have shown the capability of miRNAs to impact diseases. For example, a study shows that cell-free miRNAs are stable in bodily fluids, which gives circulating miRNAs the ability to be poten...

journal_title：Bio-medical materials and engineering

authors： Xu L,Qi X,Duan S,Xie Y,Ren X,Chen G,Yang X,Han L,Dong Q

更新日期：2014-01-01 00:00:00

abstract：:In the organism epithelia perform perfect barrier functions. Strong rheological and mechanical influences constitute the normal environment of this tissue throughout life. Most epithelia are exposed to different fluids at the luminal and basal sides. To obtain realistic information about tissue development in modern b...

journal_title：Bio-medical materials and engineering

authors： Minuth WW,Schumacher K,Strehl R

更新日期：2005-01-01 00:00:00