Theoretical foundation on a noninvasive estimation for viscoelastic mechanical property of blood vessels by ultrasonic Doppler effect.

abstract：:The finite element (FE) method has been widely used to investigate the mechanism of traumatic brain injuries (TBIs), because it is technically difficult to quantify the responses of the brain tissues to the impact in experiments. One of technical challenges to build a FE model of a human head is the modeling of the ce...

journal_title：Bio-medical materials and engineering

authors： Wu JZ,Pan CS,Wimer BM,Rosen CL

更新日期：2017-01-01 00:00:00

abstract：:This study investigates the radiation safety of a newly designed magnetic induction sensor. This novel magnetic induction sensor uses a two-arm Archimedean spiral coil (TAASC) as the exciter. A human head model with a real anatomical structure was used to calculate the specific absorption rate (SAR) and temperature ch...

journal_title：Bio-medical materials and engineering

authors： Zhang Z,Liu P,Zhou D,Zhang L,Ding L

更新日期：2015-01-01 00:00:00

abstract：:Crystalline hydroxyapatite (HA) powder was coated on titanium substrate by radio frequency (RF) magnetron sputtering. The coating was homogeneous thin film and the thickness was 1microm. Crystallinity of the HA coating was low and Ca/P ratio was high as 3.0. Particle sizes were 40 to approximately 100 nm, and the crys...

journal_title：Bio-medical materials and engineering

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

更新日期：2000-01-01 00:00:00

abstract：:In this study, design optimization of a tooth implant-supported fixed prosthesis was investigated theoretically. A three-dimensional finite element analysis was utilized to simulate the stress distribution and deformation, with an emphasis on the material selection for various parts of the prosthesis. This mandibular ...

journal_title：Bio-medical materials and engineering

authors： Dargahi J,Najarian S,Talebi M

更新日期：2005-01-01 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：BACKGROUND:Accelerated hydrothermal aging has long been one of the most widely accepted quality control tests for simulating low-temperature degradation (LTD) in zirconia-containing implants used in total hip arthroplasty (THA). However, it is still unclear how much consistency there is between the experimental predict...

journal_title：Bio-medical materials and engineering

authors： Tateiwa T,Takahashi Y,Pezzotti G,Shishido T,Masaoka T,Sano K,Yamamoto K

更新日期：2020-01-01 00:00:00

abstract：:Motor imagery EEG-based BCI has advantages in the assistance of human control of peripheral devices, such as the mobile robot or wheelchair, because the subject is not exposed to any stimulation and suffers no risk of fatigue. However, the intensive training necessary to recognize the numerous classes of data makes it...

journal_title：Bio-medical materials and engineering

authors： Yu W,Feng H,Feng Y,Madani K,Sabourin C

更新日期：2015-01-01 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：: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：: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：: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：: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: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：: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：: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：: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：: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：: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：: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：: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：: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：:A driver's response to a front-coming vehicle collision consists of braking reaction time and braking behavior. The purpose was to investigate drivers' responses at different speeds, relative distances, and particularly the behavior on the accelerator at the collision moment. Twelve young men participated in driving s...

journal_title：Bio-medical materials and engineering

authors： Gao Z,Li C,Hu H,Zhao H,Chen C,Yu H

更新日期：2015-01-01 00:00:00

abstract：:Age-related macular degeneration (ARMD) and intraocular neovascular diseases have been treated clinically by anti-VEGF antibody drug bevacizumab. However, the use of bevacizumab in the treatment of retinal neovascular diseases has been limited due to the short half-life and frequent injections. In this research, novel...

journal_title：Bio-medical materials and engineering

authors： Hu CC,Chaw JR,Chen CF,Liu HW

更新日期：2014-01-01 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：: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：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：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：BACKGROUND:Patients use mouthwashes in addition to mechanical cleaning during orthodontic treatment. The effects of mouthwashes on the archwires have not been examined yet. OBJECTIVE:To compare the corrosion resistance of four different arch wires and corrosion effects of different mouthwashes to formulate a biocompat...

journal_title：Bio-medical materials and engineering

authors： Nalbantgil D,Ulkur F,Kardas G,Culha M

更新日期：2016-11-25 00:00:00

abstract：BACKGROUND:Access to peripheral veins is necessary for sample collection, transfusion and infusion of fluids or medications. The peripheral intravenous catheterization (PIVC) procedure is the introduction of a short catheter into a peripheral vein and can be problematic, leading to multiple failed attempts. PURPOSE:To...

journal_title：Bio-medical materials and engineering

authors： Sabri A,Szalas J,Holmes KS,Labib L,Mussivand T

更新日期：2013-01-01 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