The pulse wave analysis of normal pregnancy: investigating the gestational effects on photoplethysmographic signals.

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：: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：:Previous literatures have indicated that hypothalamic paraventricular nucleus (PVN) neurons are important for regulating the level of sympathetic and vagal nervous activity. Sympathovagal balance is closely related to heart rate variability (HRV). However, it still requires further elucidation regarding the effect of ...

journal_title：Bio-medical materials and engineering

authors： Deng X,Feng X,Li S,Gao Y,Yu B,Li G

更新日期：2015-01-01 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: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：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：: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：: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：:As an injectable scaffold material for bone tissue engineering, calcium phosphate cement (CPC) has good biocompatibility, self-setting, and osteoconduction properties. Alginate-microencapsulated seed cells can pick up the degradation speed and bioactivity of CPC. The aim of this study was to explore the osteogenic abi...

journal_title：Bio-medical materials and engineering

authors： Wang J,Qiao P,Dong L,Li F,Xu T,Xie Q

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: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：:The purpose of this investigation was to assess mechanical properties of Superelastic Retraction Coil Springs for orthodontic use. To reach a goal, a test frame, comprising measuring force transducers was developed. To perform metallographic analyses of the nickel-titanium wire the samples of Superelastic Retraction C...

journal_title：Bio-medical materials and engineering

authors： Rozman J,Mrvar P,Drevenšek M,Pečlin P

更新日期：2010-01-01 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：OBJECTIVE:We aimed to develop a novel ultrasound system and examine its feasibility for noninvasively detecting thoracic aortic aneurysm (TAA) in clinical settings. METHODS:We developed a novel ultrasound system consisting of a modified console and data analysis algorithm. The exploratory study included 100 patients h...

journal_title：Bio-medical materials and engineering

authors： Hayatsu Y,Watanabe K,Sasaki K,Masaki N,Katahira S,Kumagai K,Kawamoto S,Ohmi T,Yokobori AT Jr,Saiki Y

更新日期：2019-01-01 00:00:00

abstract：:A number of materials have been considered as sources of grafts to repair bone defects. Here, we examined the possibility of creating in situ-forming gels from sodium carboxymethylcellulose (CMC) and poly(ethyleneimine) (PEI) for use as an in vivo carrier of demineralized bone matrix (DBM). The interaction between ani...

journal_title：Bio-medical materials and engineering

authors： Kim KS,Kang YM,Lee JY,Kim ES,Kim CH,Min BH,Lee HB,Kim JH,Kim MS

更新日期：2009-01-01 00:00:00

abstract：:PVA-hydrogel has excellent biocompatibility as well as preferable tribological characteristics as an artificial articular cartilage. One of the most difficult problems is the attachment of PVA-hydrogel to the underlying bone (or metal substrate). In the present study, the micro-mechanical attachment between the PVA-hy...

journal_title：Bio-medical materials and engineering

authors： Gu ZQ,Xiao JM,Lou SQ

更新日期：1999-01-01 00:00:00

abstract：:Fracture toughness (KIC), critical stress intensity factor, and bending strength of 3 types of commercially available dental composite resins (macrofilled, hybrid and microfilled type) were determined using three point bend specimens. Acoustic Emission (AE), which is the generation of elastic wave due to the release o...

journal_title：Bio-medical materials and engineering

authors： Kim KH,Park JH,Imai Y,Kishi T

更新日期：1991-01-01 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：: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：:The biological, biochemical, mechanical, and structural properties of artificial scaffolds for tissue engineering are known to be of great importance. Therefore, in this study a hydrogel derived scaffold with biomechanical and structural properties similar to native articular cartilage was synthesized. The gelatine-ba...

journal_title：Bio-medical materials and engineering

authors： Zehbe R,Libera J,Gross U,Schubert H

更新日期：2005-01-01 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：: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：:A size-based blood cell sorting model with a micro-fence structure is proposed in the frame of immersed boundary and lattice Boltzmann method (IB-LBM). The fluid dynamics is obtained by solving the discrete lattice Boltzmann equation, and the cells motion and deformation are handled by the immersed boundary method. A ...

journal_title：Bio-medical materials and engineering

authors： Wei Q,Xu YQ,Tian FB,Gao TX,Tang XY,Zu WH

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Electrospinning is a highly effective method in order to generate nano-scaled fibers. In conventional electrospinning technique, geometry of nanofibers are mostly random due to the chaotic behavior of polymer jet. OBJECTIVE:Purpose of this study is to produce aligned nanofibers from PVP polymers with advanc...

journal_title：Bio-medical materials and engineering

authors： Karayeğen G,Koçum IC,Çökeli Ler Serdaroğlu D,Doğan M

更新日期：2018-01-01 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：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：: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：:Resorbable ceramics can promote the bony integration of implants. Their rate of degradation should ideally be synchronized with bone regeneration. This study examined the effect of rapidly resorbable calcium phosphate ceramics 602020, GB14, 305020 on adherence, proliferation and morphology of human bone-derived cells ...

journal_title：Bio-medical materials and engineering

authors： Radetzki F,Wohlrab D,Zeh A,Delank KS,Mendel T,Berger G,Syrowatka F,Mayr O,Bernstein A

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：: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