Preparation of size-controlled silver nanoparticles and chitosan-based composites and their anti-microbial activities.

abstract：:Two surface analytical spectroscopic techniques (namely, angular-dependent X-ray photoelectron spectroscopy and static secondary ion mass spectrometry) were used to characterize the nature and composition of the surface and near-surface layers formed on three biomedical polymers (namely, low-density polyethylene, expa...

journal_title：Bio-medical materials and engineering

authors： Lewis G,Newman J,Katz W

更新日期：1995-01-01 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：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：:DNA-binding proteins are involved and play a crucial role in a lot of important biological processes. Hence, the identification of the DNA-binding proteins is a challenging and significant problem. In order to reveal the intrinsic information correlated to DNA-binding, nine classes of candidate features based on diffe...

journal_title：Bio-medical materials and engineering

authors： Guan C,Niu X,Shi F,Yang K,Li N

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：: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：: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：: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：: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: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：: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：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：: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：: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 interactions between carbon nanotubes and important biomolecules, above all collagen molecules, have not been studied in detail. This situation is partly due to the fact that CNT are solid entities, while most of the biomolecules can be prepared in solution. We used turbidity as a means of evaluating the interacti...

journal_title：Bio-medical materials and engineering

authors： Kuboki Y,Terada M,Kitagawa Y,Abe S,Uo M,Watari F

更新日期：2009-01-01 00:00:00

abstract：:Numerous constitutive models describing the mechanical properties of tendons have been proposed during the past few decades. However, few were widely used owing to the lack of implementation in the general finite element (FE) software, and very few systematic studies have been done on selecting the most appropriate pa...

journal_title：Bio-medical materials and engineering

authors： Tang CY,Ng GY,Wang ZW,Tsui CP,Zhang G

更新日期：2011-01-01 00:00:00

abstract：:In order to investigate the significance of hydroxyapatite based microporous composite (HA/mica composite) surfaces and a macroporous synthetic hydroxyapatite, rat marrow cell culture, which shows osteogenic differentiation, was carried out on six different culture substrata (two control culture dishes, two identical ...

journal_title：Bio-medical materials and engineering

authors： Nordström E,Ohgushi H,Yoshikawa T,Yokobori AT Jr,Yokobori T

更新日期：1999-01-01 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：:Biocompatible metals have been suggested as revolutionary biomaterials for bone-grafting therapies. Although metals and their alloys are widely and successfully used in producing biomedical implants due to their good mechanical properties and corrosion resistance, they have a lack in bioactivity. Therefore coating of ...

journal_title：Bio-medical materials and engineering

authors： Saleh MM,Touny AH,Al-Omair MA,Saleh MM

更新日期：2016-05-12 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：:Polycrystalline diamond (PCD) exhibits excellent abrasive characteristics and is commonly used as loose grains for precision machining of hard ceramics and other materials that are difficult to grind and polish. In the present study, we investigated using bonded PCD for polishing dental porcelain, for which a lustrous...

journal_title：Bio-medical materials and engineering

authors： Nakamura Y,Sato H,Ohtsuka M,Hojo S

更新日期：2010-01-01 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：: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：:Facial nerve paralysis is a common disease due to nerve damage. Most approaches for evaluating the degree of facial paralysis rely on a set of different facial movements as commanded by doctors. Therefore, automatic recognition of the patterns of facial movement is fundamental to the evaluation of the degree of facial...

journal_title：Bio-medical materials and engineering

authors： Wang T,Dong J,Sun X,Zhang S,Wang S

更新日期：2014-01-01 00:00:00

abstract：:Shape memory alloys (SMA) are being increasingly used in various industrial applications as actuators, connectors, or damping materials. In the medical field, superelastic devices such as eyeglass frames, stents or guide catheters have come to market in the recent years. The design of SMA devices has usually been base...

journal_title：Bio-medical materials and engineering

authors： Trochu F,Brailovski V,Meunier MA,Terriault P,Qian YY

更新日期：1996-01-01 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：: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：: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：:Using a wet method, we have synthesized octacalcium phosphate carbonate, in which HPO42- in octacalcium phosphate is replaced with CO32-. The physical, crystal, and chemical properties of this new material were compared to octacalcium phosphate, Ca-deficient hydroxyapatite, and Ca-deficient carbonate apatite using X-r...

journal_title：Bio-medical materials and engineering

authors： Shen D,Horiuchi N,Nozaki S,Miyashin M,Yamashita K,Nagai A

更新日期：2017-01-01 00:00:00

abstract：:In this work, we present an evolutive trabecular model for bone remodeling based on a boundary detection algorithm accounting for both biology and applied mechanical forces, known to be an important factor in bone evolution. A finite element (FE) numerical model using the Abaqus/Standard® software was used with a UMAT...

journal_title：Bio-medical materials and engineering

authors： Spingarn C,Wagner D,Rémond Y,George D

更新日期：2017-01-01 00:00:00