Biopotential amplifier for simultaneous operation with biomagnetic instruments.

abstract：:Apoptosis proteins are related to many diseases. Obtaining the subcellular localization information of apoptosis proteins is helpful to understand the mechanism of diseases and to develop new drugs. At present, the researchers mainly focus on the primary protein sequences, so there is still room for improvement in the...

journal_title：Medical & biological engineering & computing

authors： Ruan X,Zhou D,Nie R,Hou R,Cao Z

更新日期：2019-12-01 00:00:00

abstract：:Fetal heart rate (FHR) monitoring is used routinely in labor, but conventional methods have a limited capacity to detect fetal hypoxia/acidosis. An exploratory study was performed on the simultaneous assessment of maternal heart rate (MHR) and FHR variability, to evaluate their evolution during labor and their capacit...

journal_title：Medical & biological engineering & computing

authors： Gonçalves H,Pinto P,Silva M,Ayres-de-Campos D,Bernardes J

更新日期：2016-04-01 00:00:00

abstract：:Many successful models to describe the biomechanical characteristics of planar biological soft tissues are based on strain energy function. However, the parameters in these models are determined by biaxial extension test, which might be difficult to exercise for certain types of soft tissue. This study presents a new ...

journal_title：Medical & biological engineering & computing

authors： Li L,Qian X,Wang H,Hua L,Zhang H,Liu Z

更新日期：2013-10-01 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：:In a computerised ultrasound image guidance for automated prostatectomy system, it is necessary to identify a smooth, continuous contour for the prostate (boundary) from the ultrasound image. The radial bas-relief (RBR) method, which has been reported previously, can extract a skeletonised image from an ultrasound ima...

journal_title：Medical & biological engineering & computing

authors： Kwoh CK,Teo MY,Ng WS,Tan SN,Jones LM

更新日期：1998-11-01 00:00:00

abstract：:Pain control in conscious patients was investigated using a push-button, demand-driven supply of drugs. A fuzzy logic patient-controlled analgesia (PCA) algorithm was compared with a conventional algorithm, for alfentanil administration in extracorporeal shock-wave lithotripsy. The conventional PCA algorithm used an i...

journal_title：Medical & biological engineering & computing

authors： Shieh JS,Chang LW,Wang MS,Sun WZ,Wang YP,Yang YP

更新日期：2002-01-01 00:00:00

abstract：:Functional magnetic resonance imaging (FMRI) is an imaging technique for determining which regions of the brain are activated in response to a stimulus or event. Early FMRI experiment paradigms were based upon those used in positron emission tomography (PET), i.e. employing a block design consisting of extended period...

journal_title：Medical & biological engineering & computing

authors： Burke D,Murphy K,Garavan H,Reilly R

更新日期：2004-09-01 00:00:00

abstract：:An efficient and novel modeling approach is proposed in this paper for identifying proteins or genes involved in melanoma skin cancer. Two types of classifiers are modeled, based on the chemical structure and hydropathy property of amino acids. These classifiers are further implemented using NI LabVIEW-based hardware ...

journal_title：Medical & biological engineering & computing

authors： Roy T,Bhattacharjee P

更新日期：2020-10-01 00:00:00

abstract：:Musculoskeletal models have been developed to estimate internal loading on the human skeleton, which cannot directly be measured in vivo, from external measurements like kinematics and external forces. Such models of the shoulder and upper extremity have been used for a variety of purposes, ranging from understanding ...

journal_title：Medical & biological engineering & computing

authors： Bolsterlee B,Veeger DH,Chadwick EK

更新日期：2013-09-01 00:00:00

abstract：:This work addresses the problem of estimating the conduction velocity (CV) of single motor unit (MU) action potentials from surface EMG signals detected with linear electrode arrays during voluntary muscle contractions. In ideal conditions, that is without shape or scale changes of the propagating signals and with add...

journal_title：Medical & biological engineering & computing

authors： Farina D,Muhammad W,Fortunato E,Meste O,Merletti R,Rix H

更新日期：2001-03-01 00:00:00

abstract：:Instrumentation to measure accurately the stresses at the interface of a residual limb and prosthetic socket has a strong potential for use in prosthetic treatment. As a tool in the clinical setting, the device would allow a clinician to identify sites of excessive loading, information which could then be combined wit...

journal_title：Medical & biological engineering & computing

authors： Sanders JE

更新日期：1995-07-01 00:00:00

abstract：:The heart rate variability (HRV) is an indicator of the subject homeostasis alterations. For a healthy individual, the HRV shows a nonlinear behavior, thus requiring a nonlinear approach to provide additional information about HRV dynamics. In this work, the nonlinear techniques, central tendency measure (CTM) and sec...

journal_title：Medical & biological engineering & computing

authors： dos Santos L,Barroso JJ,Macau EE,de Godoy MF

更新日期：2015-11-01 00:00:00

abstract：:The paper deals with the influence of mains interference on time coherent averaging using an internal trigger. The general distribution of the time jitter is derived and applied to a simplified signal. The authors prove that no amount of averaging can do away with this type of interference. Finally, the deformation th...

journal_title：Medical & biological engineering & computing

authors： Strackee J,Peper A

更新日期：1992-09-01 00:00:00

abstract：:Precise segmentation of stroke lesions from brain magnetic resonance (MR) images poses a challenging task in automated diagnosis. In this paper, we proposed a new method called watershed-based lesion segmentation algorithm (WLSA), which is a novel intensity-based segmentation technique used to delineate infarct lesion...

journal_title：Medical & biological engineering & computing

authors： Subudhi A,Jena S,Sabut S

更新日期：2018-05-01 00:00:00

abstract：:The development of computer technology now allows the quick and efficient automatic fluorescence microscopy generation of a large number of images of proteins in specific subcellular compartments using fluorescence microscopy. Digital image processing and pattern recognition technology can easily classify these images...

journal_title：Medical & biological engineering & computing

authors： Zhang X,Zhao SG

更新日期：2019-06-01 00:00:00

abstract：:A new system capable of generating static and dynamic random-element stereograms is designed and implemented. The stereogram is composed of a rectangle that can be varied in size, element density, orientation, and horizontal and vertical disparities, and can be swept at several velocities. The system is based on an in...

journal_title：Medical & biological engineering & computing

authors： Gonzalez F,Krause F

更新日期：1994-07-01 00:00:00

abstract：:Gastrointestinal stimulator implants have recently shown positive results in treating obesity. However, the implantation currently requires an invasive surgical procedure. Endoscopy could be used to place the gastric stimulator in the stomach, hence avoiding the riskier surgery. The implant then needs to go through th...

journal_title：Medical & biological engineering & computing

authors： Lonys L,Vanhoestenberghe A,Julémont N,Godet S,Delplancke MP,Mathys P,Nonclercq A

更新日期：2015-04-01 00:00:00

abstract：:A new method of stimulation of the lower extremities was devised that automatically adjusts the stimulation conditions at any angle of the knee joint. An M-wave is considered to indicate the stimulation conditions, because it is the waveform that results from direct stimulation to the axon of the alpha motor neuron. T...

journal_title：Medical & biological engineering & computing

authors： Tanabe S,Muraoka Y,Tomita Y

更新日期：2004-01-01 00:00:00

abstract：:We estimated the dynamic cell metabolic activity and the distribution of the pH value and oxygen concentration in tissue samples cultured in vitro by using real-time sensor records and a numerical simulation of the underlying reaction-diffusion processes. As an experimental tissue model, we used chicken spleen slices....

journal_title：Medical & biological engineering & computing

authors： Pfister C,Forstmeier C,Biedermann J,Schermuly J,Demmel F,Wolf P,Kaspers B,Brischwein M

更新日期：2016-05-01 00:00:00

abstract：:In daily life, a person's gait-an important marker for his/her health status-is usually assessed using inertial sensors fixed to lower limbs or trunk. Such sensor locations are not well suited for continuous and long duration measurements. A better location would be the wrist but with the drawback of the presence of p...

journal_title：Medical & biological engineering & computing

authors： Fasel B,Duc C,Dadashi F,Bardyn F,Savary M,Farine PA,Aminian K

更新日期：2017-10-01 00:00:00

abstract：:The paper describes the application of new semi-automatic segmentation software to the task of detection of anatomical structures and lesion and their three-dimensional (3D) visualisation in 23 patients with secondary progressive multiple sclerosis (MS). The purpose is to study the correlation between magnetic resonan...

journal_title：Medical & biological engineering & computing

authors： Dastidar P,Heinonen T,Vahvelainen T,Elovaara I,Eskola H

更新日期：1999-01-01 00:00:00

abstract：:Monitoring upper-limb activity in a free-living environment is important for the evaluation of rehabilitation. This study is a validation of the Strathclyde Upper-Limb Activity Monitor (SULAM) which records the vertical movement and position of each wrist, and assesses bimanual movement. Agreement between the SULAM an...

journal_title：Medical & biological engineering & computing

authors： Vega-Gonzalez A,Bain BJ,Dall PM,Granat MH

更新日期：2007-10-01 00:00:00

abstract：:Osteoporosis is one of the most common diseases that leads to bone fractures. Dual-energy X-ray absorptiometry is currently employed to measure the bone mineral density and to diagnose osteoporosis. Alternatively, the dielectric properties of bones are found to be influenced by bone mineral density; hence, dielectric ...

journal_title：Medical & biological engineering & computing

authors： Amin B,Elahi MA,Shahzad A,Porter E,McDermott B,O'Halloran M

更新日期：2019-01-01 00:00:00

abstract：:The visco-elastic properties of living cells, measured to date by various authors, vary considerably, depending on the experimental methods and/or on the theoretical models used. In the present study, two mechanisms thought to be involved in cellular visco-elastic responses were analysed, based on the idea that the cy...

journal_title：Medical & biological engineering & computing

authors： Cañadas P,Laurent VM,Chabrand P,Isabey D,Wendling-Mansuy S

更新日期：2003-11-01 00:00:00

abstract：:In the routine recording of magnetocardiograms (MCGs), it is necessary to underline the problem of noise cancellation. Source separation has often been suggested to solve this problem. In this paper, blind source separation (BSS), by means of singular value decomposition (SVD) and independent component analysis (ICA),...

journal_title：Medical & biological engineering & computing

authors： DiPietroPaolo D,Müller HP,Nolte G,Erné SN

更新日期：2006-06-01 00:00:00

abstract：:Axial head rotation prior to low speed automotive rear impacts has been clinically identified to increase morbidity and symptom duration. The present study was conducted to determine the effect of axial head rotation on facet joint capsule strains during simulated rear impacts. The study was conducted using a validate...

journal_title：Medical & biological engineering & computing

authors： Storvik SG,Stemper BD

更新日期：2011-02-01 00:00:00

abstract：:Based on the principle of backscattering of laser radiation from tissues, a non-invasive PC-AT based reflectance imaging technique is developed. The laser beam from a semiconductor laser operating at 670 nm is guided to the tissue site by an optical fibre. The backscattered radiation is collected by another fibre plac...

journal_title：Medical & biological engineering & computing

authors： Shanthi S,Singh M

更新日期：1997-05-01 00:00:00

abstract：:Induction coils were fabricated based on flexible printed circuit board for inductive transcutaneous power transmission. The coil had closed magnetic circuit (CMC) structure consisting of inner and outer magnetic core. The power transmission efficiency of the fabricated device was measured in the air and in vivo condi...

journal_title：Medical & biological engineering & computing

authors： Jo SE,Joung S,Suh JK,Kim YJ

更新日期：2012-09-01 00:00:00

abstract：:Smoothing and differentiation of noisy signals are common problems whenever it is difficult or impossible to obtain derivatives by direct measurement. In biomechanics body displacements are frequently assessed and these measurements are affected by noise. To avoid high-frequency noise magnification, data filtering bef...

journal_title：Medical & biological engineering & computing

authors： D'Amico M,Ferrigno G

更新日期：1990-09-01 00:00:00

abstract：:The diagnosis of sleep-disordered breathing (SDB) usually relies on the analysis of complex polysomnographic measurements performed in specialized sleep centers. Automatic signal analysis is a promising approach to reduce the diagnostic effort. This paper addresses SDB and sleep assessment solely based on the analysis...

journal_title：Medical & biological engineering & computing

authors： Kesper K,Canisius S,Penzel T,Ploch T,Cassel W

更新日期：2012-02-01 00:00:00