Self-expanding stents in the treatment of carotid artery subtotal occlusion: a clinical study on the patients of Hubei and Sichuan in China.

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：: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

abstract：:Sino-atrial node cells (SANCs) play a significant role in rhythmic firing. To investigate their role in arrhythmia and interactions with the atrium, computer simulations based on cellular dynamic mathematical models are generally used. However, the large-scale computation usually makes research difficult, given the li...

journal_title：Bio-medical materials and engineering

authors： Zhang H,Xiao Z,Lin SF

更新日期：2015-01-01 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：:This paper established the extracting method and algorithm for liposome images on the basis of analyzing the form feature of liposome, and its corresponding automatic analysis software. Some algorithms, such as the logical algorithms of mathematical morphology, the grayscale-gradient co-occurrence matrix-based method ...

journal_title：Bio-medical materials and engineering

authors： Haitao X,Kuanghu H,Wanfang S,Shuyu L,Desen S

更新日期：2002-01-01 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：:The aim of this work was to investigate the effect of 2.4 MeV proton irradiation on the dielectric property of polyethylene terephthalate (PET) microfibre nondestructively. The dielectric constant εd of single-microfibre has been measured as-such applying laser diffraction technique. Applying this methodology εd is fo...

journal_title：Bio-medical materials and engineering

authors： Mallick B

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Physical activity plays a tremendous role in determining bone mechanical behavior, which is superimposed to gravidity. OBJECTIVE:Compare the geometric and material responses of the rat femur to a high intensity treadmill running training of a relatively short duration, as assessed by 3-point mechanical test...

journal_title：Bio-medical materials and engineering

authors： Bozzini C,Viscor G,Kristjánsson JCR,Picasso E,Champin G,Alippi RM,Bozzini CE

更新日期：2017-01-01 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：: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：:A new training system that can adjust training intensity and indicate the center pressure of a subject was proposed by applying controlled electric current to the Magneto-Rheological damper. The experimental studying on the muscular activities were performed in lower extremities during maintaining and moving exercises...

journal_title：Bio-medical materials and engineering

authors： Yu CH,Piao YJ,Kim K,Kwon TK

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：: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：: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：:To select tag single nucleotide polymorphisms (SNPs) within and around human p75 neurotrophin receptor (p75NTR) gene in Chinese Han population, the sequence involving p75NTR gene as well as the upstream and downstream of the gene was identified according to the data from National Center for Biotechnology Information (...

journal_title：Bio-medical materials and engineering

authors： Wang YT,Lu XM,Shu YH,Xiao L,Chen KT

更新日期：2014-01-01 00:00:00

abstract：:Mechanical testing has been performed to characterize the locking strength of Morse taper locks used for reconstruction of large bone defects. Taper joint pairs were locked with a series of compressive loads increasing from 500 to 3500 N. Following each load application the taper locks were distracted with either an a...

journal_title：Bio-medical materials and engineering

authors： Duda GN,Elias JJ,Valdevit A,Chao EY

更新日期：1997-01-01 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：:A crucial role during the implementation of volume visualization is to identify the optimal transfer function, since the vital information and structure can be highlighted and revealed. The boundary of the volume is shared by respective portion of the two materials formed out of it, which causes undesirable thickening...

journal_title：Bio-medical materials and engineering

authors： Yang F,Zhang L,Lu W,Zuo W,Wang K,Zhang H,Li Y

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：:Hydroxyapatite was coated with 1 microm thickness on titanium columns of a length of 10 mm, an outer diameter of 4.0 mm by radio frequency magnetron sputtering. The hydroxyapatite coating titanium columns were implanted in the diaphysis of femora of 3 adult dogs, and push-out test was carried out after 2, 4 and 12 wee...

journal_title：Bio-medical materials and engineering

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

更新日期：2001-01-01 00:00:00

abstract：:Alginate hydrogels have been used widely in tissue engineering for cell encapsulation for several reasons: low toxicity, the ability to gel under gentle condition and compatibility with cells. In this study, we determined the effect of different concentrations of alginate on encapsulation of 3T3 fibroblast cells at tw...

journal_title：Bio-medical materials and engineering

authors： Bohari SP,Hukins DW,Grover LM

更新日期：2011-01-01 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：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：: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 frequent occurrence of breast cancer and its serious consequences have attracted worldwide attention in recent years. Problems such as low rate of accuracy and poor self-adaptability still exist in traditional diagnosis. In order to solve these problems, an AdaBoost-SVM classification algorithm, combined with the ...

journal_title：Bio-medical materials and engineering

authors： Li P,Bi T,Huang J,Li S

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：:A layer of L-glycine-molecule-imprinted polyaniline (LMIP-PANI) polymer film has been modified on a carbon fiber electrode for the determination of L-glycine standard samples and L-glycine in cerebrospinal fluid of wistar mice. It has been found that a linear relationship exists between current and concentration for t...

journal_title：Bio-medical materials and engineering

authors： Zeng H,Wang D,Yu J

更新日期：2014-01-01 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：OBJECTIVE:To characterize the structure and to evaluate the cytotoxicity of cellulose nanowhiskers (CNW) prepared from cotton linters. METHODS:A series of CNW dispersions was prepared by hydrolyzing cotton linters with sulfuric acid. The structure of CNW was characterized by scanning electron microscopy (SEM), transmi...

journal_title：Bio-medical materials and engineering

authors： Ni H,Zeng S,Wu J,Cheng X,Luo T,Wang W,Zeng W,Chen Y

更新日期：2012-01-01 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