Biphasic model of the trabecular meshwork in the eye.

abstract：:The three-dimensional changes in the cytoskeleton and in cell proliferation of bovine pulmonary artery endothelial cells when exposed to sustained hydrostatic pressure were investigated in vitro using laser scanning confocal microscopy. Subconfluent endothelial cells on rigid substrates were exposed to 1.5, 5 and 10 c...

journal_title：Medical & biological engineering & computing

authors： Salwen SA,Szarowski DH,Turner JN,Bizios R

更新日期：1998-07-01 00:00:00

abstract：:Several recent studies have quantified abnormalities in Parkinsonian gait. However, few studies have attempted to quantify the regularity of body motion during walking in patients with Parkinson's disease. The aim of the paper was to characterise body motion patterns in healthy, elderly subjects and patients with Park...

journal_title：Medical & biological engineering & computing

authors： Sekine M,Akay M,Tamura T,Higashi Y,Fujimoto T

更新日期：2004-01-01 00:00:00

abstract：:The aim of the study was to compare experimentally conduction velocity (CV) estimates obtained with different estimation methods based on surface electromyogram (EMG) signals detected using five spatial filters. The filters investigated were the longitudinal single and double differential, transverse single and double...

journal_title：Medical & biological engineering & computing

authors： Schulte E,Farina D,Rau G,Merletti R,Disselhorst-Klug C

更新日期：2003-05-01 00:00:00

abstract：:High-frequency nanosecond-pulsed electric fields were recently introduced for tumor or abnormal tissue ablation to solve some problems of conventional electroporation. However, it is necessary to study the thermal effects of high-field-intensity nanosecond pulses inside tissues. The multi-parametric analysis performed...

journal_title：Medical & biological engineering & computing

authors： Mi Y,Rui S,Li C,Yao C,Xu J,Bian C,Tang X

更新日期：2017-07-01 00:00:00

abstract：:The boundary-element method (BEM) is widely used for electrocardiogram (ECG) simulation. Its major disadvantage is its perceived inability to deal with the anisotropic electric conductivity of the myocardial interstitium, which led researchers to represent only intracellular anisotropy or neglect anisotropy altogether...

journal_title：Medical & biological engineering & computing

authors： Potse M,Dubé B,Vinet A

更新日期：2009-07-01 00:00:00

abstract：:Selective laser sintering (SLS) is a solid freeform fabrication technique, developed by Carl Deckard for his master's thesis at the University of Texas, patented in 1989. SLS manufacturing is a technique that produces physical models through a selective solidification of a variety of fine powders. SLS technology is ge...

journal_title：Medical & biological engineering & computing

authors： Mazzoli A

更新日期：2013-03-01 00:00:00

abstract：:A building block-based software framework was developed to simulate electrophysiological networks. The synaptic potentials generated during neurotransmission were simulated in an existing discrete bidomain model of smooth muscle, using cubic, three-dimensional grids of varying sizes. The model is automatically derived...

journal_title：Medical & biological engineering & computing

authors： Turale N,Devulapalli A,Manchanda R,Moudgalya K,Sivakumar G

更新日期：2003-09-01 00:00:00

abstract：:Recent studies were investigated that report spontaneous oscillations of cerebral perfusion in the very low-frequency range (0.01-0.04 Hz), emphasising details of spectral estimation. The effects of different spectral estimation procedures were compared, using simulated and clinical data. It was shown that data detren...

journal_title：Medical & biological engineering & computing

authors： Müller T,Reinhard M,Oehm E,Hetzel A,Timmer J

更新日期：2003-01-01 00:00:00

abstract：:In the case of female breast cancer, a breast-conserving excision is often desirable. This surgery is based on preoperatively gathered MRI, mammography, and sonography images. These images are recorded in multiple patient positions, e. g., 2D mammography images in standing position with a compressed breast and 3D MRI ...

journal_title：Medical & biological engineering & computing

authors： Esslinger D,Rapp P,Knödler L,Preibsch H,Tarín C,Sawodny O,Brucker SY,Hahn M

更新日期：2019-07-01 00:00:00

abstract：:Spinal pattern generators (SPGs), which are neural networks without a central input from the brain may be responsible for controlling locomotion. In this study, we used neural oscillators to examine the rhythmic patterns generated at the ankle during walking. Seven healthy male subjects were requested to walk at their...

journal_title：Medical & biological engineering & computing

authors： Chong SY,Wagner H,Wulf A

更新日期：2012-09-01 00:00:00

abstract：:A method for extrapolating the extracellular water (ECW) resistance from wrist-ankle resistance at 50 kHz (R (50)) is proposed in this paper, in order to enable 50 kHz impedancemeters to use the BIS-Hanai equation for determination of ECW. Values of R (50) and the ECW resistance extrapolated at zero frequency R (e) we...

journal_title：Medical & biological engineering & computing

authors： Jaffrin MY,Morel H

更新日期：2009-01-01 00:00:00

abstract：:The surface electroenterogram (EEnG) is a non-invasive method of studying myoelectrical bowel activity. However, surface EEnG recordings are contaminated by cardiac activity, respiratory and motion artifacts, and other sources of interference. The aim of this work is to remove the respiration artifact and the very low...

journal_title：Medical & biological engineering & computing

authors： Ye Y,Garcia-Casado J,Martinez-de-Juan JL,Ponce JL

更新日期：2007-06-01 00:00:00

abstract：:When the microvascular blood perfusion in human skin is measured by photoplethysmography (PPG), infra-red light (800-960 nm) is normally used as the light source. The PPG signal, which consists of a pulsatile (AC) and a slowly fluctuating (DC) component, was studied at different optical wavelengths utilising optical f...

journal_title：Medical & biological engineering & computing

authors： Lindberg LG,Oberg PA

更新日期：1991-01-01 00:00:00

abstract：:Mammography is a widely used screening tool and is the gold standard for the early detection of breast cancer. The classification of breast masses into the benign and malignant categories is an important problem in the area of computer-aided diagnosis of breast cancer. A small dataset of 57 breast mass images, each wi...

journal_title：Medical & biological engineering & computing

authors： Nandi RJ,Nandi AK,Rangayyan RM,Scutt D

更新日期：2006-08-01 00:00:00

abstract：:When the rib cage and abdomen are compressed during cardiopulmonary resuscitation (CPR), the effect on intrathoracic pressure, and therefore on haemodynamics, cannot be quantitatively predicted without a physiologically based mathematical model of chest wall dynamics. Using such a model, we compared model simulations ...

journal_title：Medical & biological engineering & computing

authors： Ben-Haim SA,Shofti R,Dinnar U,Saidel GM

更新日期：1990-01-01 00:00:00

abstract：:Left ventricular assist devices (LVAD) emerges as an effective clinical device providing life-saving support to heart patients. The design of blood pump of an LVAD involves incredible accuracy and thorough understanding of hemodynamics to mimic the functionality of a healthy ventricle. This work studies hemodynamics a...

journal_title：Medical & biological engineering & computing

authors： Kannojiya V,Das AK,Das PK

更新日期：2020-02-01 00:00:00

abstract：:Uniaxial stress-strain data were obtained from in vitro experiments on 20 porcine livers for compressions, elongations and cycles of compression and then elongation. There were about 70 cylindrical samples, with diameter 7mm and varying height (4-11 mm). The combined compression and elongation test provide a unified f...

journal_title：Medical & biological engineering & computing

authors： Chui C,Kobayashi E,Chen X,Hisada T,Sakuma I

更新日期：2004-11-01 00:00:00

abstract：:It is of great importance to effectively process and interpret surface electromyogram (sEMG) signals to actuate a robotic and prosthetic exoskeleton hand needed by hand amputees. In this paper, we have proposed a cepstrum analysis-based method for classification of basic hand movement sEMG signals. Cepstral analysis t...

journal_title：Medical & biological engineering & computing

authors： Yavuz E,Eyupoglu C

更新日期：2019-10-01 00:00:00

abstract：:Dislocation is a serious potential complication of total hip replacement. Previous studies have proposed a newly developed total hip structure that meets the required oscillation angle of 120°, for which the chamfer on the acetabular liner rim was designed to enable the neck to impinge on the chamfer over a large area...

journal_title：Medical & biological engineering & computing

authors： Chi WM,Lin CC,Ho YJ,Lin HC,Chen JH

更新日期：2018-01-01 00:00:00

abstract：:The purpose of this study is to investigate the change in biomechanical milieu following removal of pedicle screws in instrumented single level lumbar arthrodesis. Using a validated finite element (FE) model of the intact lumbar spine (L2-5), two scenarios of L3-4 lumbar fusion were simulated: posterolateral fusion (P...

journal_title：Medical & biological engineering & computing

authors： Kim HJ,Chun HJ,Moon SH,Kang KT,Kim HS,Park JO,Moon ES,Sohn JS,Lee HM

更新日期：2010-07-01 00:00:00

abstract：:A hypothetical neuromusculoskeletal model is developed to simulate human normal walking and its modulated behaviors. A small set of neural periodic patterns drive spinal muscle synergies which in turn lead to specific pattern of muscle activation and supraspinal feedback systems maintain postural balance during walkin...

journal_title：Medical & biological engineering & computing

authors： Jo S

更新日期：2008-02-01 00:00:00

abstract：:Four ventricular fibrillation (VF) detection techniques were assessed using recordings of VF to evaluate sensitivity and VF-like recordings to evaluate specificity. The recordings were obtained from Coronary Care Unit patients. The techniques were: threshold crossing intervals (TCI); peaks in the autocorrelation funct...

journal_title：Medical & biological engineering & computing

authors： Clayton RH,Murray A,Campbell RW

更新日期：1993-03-01 00:00:00

abstract：:Conventional methods of electrobioimpedance imaging are not suited for adequate visualization of the skin electrical impedance landscape (SEL) because they do not provide high spatial resolution at large enough area of view. The skin electrodynamics introscopy (SEI) enabled dynamic spectral imaging of the SEL at 32 × ...

journal_title：Medical & biological engineering & computing

authors： Babich Y,Nuzhdina M,Syniuta S

更新日期：2018-02-01 00:00:00

abstract：:The first in vivo evaluation of a pO2 sensor constructed with a novel copolymer is described. The performance of the sensor is assessed under dynamic conditions in vitro and in vivo. This sensor is more stable and reliable than the control sensor with a heparin-treated polyethylene membrane. ...

journal_title：Medical & biological engineering & computing

authors： Zhang S,Wright G,Kingston MA,Rolfe P

更新日期：1996-07-01 00:00:00

abstract：:The aim of this study was to design a new approach for the acquisition of regional radial strain from the middle portion of the interventricular septum. We designed and wrote a program in Matlab (computer-assisted method) for use on a personal computer so that the septum thickness throughout the cardiac cycle could be...

journal_title：Medical & biological engineering & computing

authors： Moladoust H,Mokhtari-Dizaji M,Ojaghi-Haghighi Z,D'hooge J,Noohi F,Khaledifar A,Khajavi A

更新日期：2007-09-01 00:00:00

abstract：:Divided attention is defined as focusing on different tasks at once, and this is described as one of the biggest problems of today's society. Default examinations for understanding attention are questionnaires or physiological signals, like evoked potentials and electroencephalography. Physiological records were obtai...

journal_title：Medical & biological engineering & computing

authors： Batbat T,Güven A,Dolu N

更新日期：2019-09-01 00:00:00

abstract：:Preprocessing, binning and dataset subsampling are investigated with regard to simultaneous maximisation of the speed, accuracy and robustness of CT-3D rotational angiography (3DRA) registration. Clinical diagnosis and treatment can both take advantage of this integration, because 3DRA allows the shape of vessel struc...

journal_title：Medical & biological engineering & computing

authors： Stancanello J,Cavedon C,Francescon P,Cerveri P,Ferrigno G,Causin F,Colombo F

更新日期：2005-09-01 00:00:00

abstract：:Transcranial magnetic stimulation (TMS) allows the assessment of stroke patients' cortical excitability and corticospinal tract integrity, which provide information regarding motor function recovery. However, the extraction of features from motor-evoked potentials (MEP) elicited by TMS, such as amplitude and latency, ...

journal_title：Medical & biological engineering & computing

authors： Tecuapetla-Trejo JE,Cantillo-Negrete J,Carrillo-Mora P,Valdés-Cristerna R,Ortega-Robles E,Arias-Carrion O,Carino-Escobar RI

更新日期：2021-01-26 00:00:00

abstract：:Atrial fibrillation (AF) is the most common cardiac arrhythmia with episodes that may terminate spontaneously in the first stages of the disease. On the other hand, when the arrhythmia is not self-terminating, normal sinus rhythm (NSR) restoration use to be required to reduce the risk of stroke and improve cardiac out...

journal_title：Medical & biological engineering & computing

authors： Alcaraz R,Rieta JJ

更新日期：2008-07-01 00:00:00

abstract：:Time-varying filtering techniques are applied to the problem of baseline correction by letting the cut-off frequency of a linear filter be controlled by the low-frequency properties of the ECG signal. The time-varying filter is implemented as a bank of linear low-pass filters, in which each filter has a slightly diffe...

journal_title：Medical & biological engineering & computing

authors： Sörnmo L

更新日期：1993-09-01 00:00:00