An efficient technique for the numerical solution of the bidomain equations.

abstract：:Intracellular calcium concentration and transmembrane potentials are two important measurements used to study the mechanisms of cardiac activity. Fluorescent dyes have been used to measure these separately but not simultaneously in cardiac tissue. Fluo-3 and Fluo-4 (a recently improved version of Fluo-3) have been use...

journal_title：Annals of biomedical engineering

authors： Johnson PL,Smith W,Baynham TC,Knisley SB

更新日期：1999-07-01 00:00:00

abstract：:This is a personal historical essay on meanderings through the jungle of the microcirculatory swamp. Because one pretends that the wandering was purposefully exploratory, a few guideposts are placed at positions where one could discern blaze-marks from earlier wanderers, and the path cut a little wider along some of t...

journal_title：Annals of biomedical engineering

authors： Bassingthwaighte JB

更新日期：1987-01-01 00:00:00

abstract：:The measurement of CO2 volume exhaled per breath (VCO2.br) can be determined during anesthesia by the multiplication and integration of tidal flow (V) and PCO2. During side-stream capnometry, PCO2 must be advanced in time by transport delay (TD), the time to suction gas through the sampling tube. During ventilation, T...

journal_title：Annals of biomedical engineering

authors： Breen PH,Serina ER

更新日期：1997-01-01 00:00:00

abstract：:Integration of repair tissue is a key indicator of the long-term success of cell-based therapies for cartilage repair. The objective of this study was to compare the in vitro chondrogenic differentiation and integration of agarose hydrogels seeded with either chondrocytes or bone marrow-derived mesenchymal stem cells ...

journal_title：Annals of biomedical engineering

authors： Vinardell T,Thorpe SD,Buckley CT,Kelly DJ

更新日期：2009-12-01 00:00:00

abstract：:Fingertips wrinkle due to long exposure to water. The biological reason for this morphological change is unclear and still not fully understood. There are two main hypotheses for the underlying mechanism of fingertip wrinkling: the 'shrink' model (in which the wrinkling is driven by the contraction of the lower layers...

journal_title：Annals of biomedical engineering

authors： Sáez P,Zöllner AM

更新日期：2017-04-01 00:00:00

abstract：:Tissue engineering strategies have utilized a wide spectrum of synthetic and naturally-derived scaffold materials. Synthetic scaffolds are better defined and offer the ability to precisely and reproducibly control their properties, while naturally-derived scaffolds typically have inherent biological and structural pro...

journal_title：Annals of biomedical engineering

authors： Allen AB,Priddy LB,Li MT,Guldberg RE

更新日期：2015-03-01 00:00:00

abstract：:This article presents a computer-aided detection system for capsule endoscopy (CE) images using contourlet-based color textural features to recognize tumors in the digestive tract. As tumor exhibits rich information in color texture, a novel color texture feature based on contourlet transform is proposed to describe c...

journal_title：Annals of biomedical engineering

authors： Li B,Meng MQ

更新日期：2011-12-01 00:00:00

abstract：:Fractal time series analysis methods are commonly used for analyzing center of pressure (COP) signals with the goal of revealing the underlying neuromuscular processes for upright stance control. The use of fractal methods is often coupled with the assumption that the COP is an instance of fractional Gaussian noise (f...

journal_title：Annals of biomedical engineering

authors： Kuznetsov N,Bonnette S,Gao J,Riley MA

更新日期：2013-08-01 00:00:00

abstract：:Bending stiffness of passive-dynamic ankle-foot orthoses (PD-AFOs) is a functional characteristic thought to restore lost ankle function due to weakened plantar flexors. However, lower extremity impairment profiles of patients are seldom limited to plantar flexion weakness, and PD-AFO characteristics often influence g...

journal_title：Annals of biomedical engineering

authors： Arch ES,Stanhope SJ

更新日期：2015-02-01 00:00:00

abstract：:A nonintrusive method for the visualization of pulsatile flow velocity profiles is described. The method is based on the use of a photochromic dye that is added to the fluid being studied and a nitrogen laser which excites the dye producing a marker "line" whose movement can be photographed. A microcomputer is used as...

journal_title：Annals of biomedical engineering

authors： Poots K,Cobbold RS,Johnston KW,Appugliese R,Kassam M,Zuech PE,Hummel RL

更新日期：1986-01-01 00:00:00

abstract：:In this study, cell-material adhesive strength and cellular mechanical properties were measured using atomic force microscopy (AFM) to track cell attachment and osteogenic differentiation. First, chitosan substrates were treated with simulated body fluid (SBF) for various periods, resulting in substrates with differen...

journal_title：Annals of biomedical engineering

authors： Ho MH,Li CH,Hsiao SW,Thien DV

更新日期：2015-04-01 00:00:00

abstract：:The geometric and hemodynamic characteristics of the left and right vertebral arteries (LVA, RVA) of six healthy volunteers were investigated for the supine (S) and the prone position (P) a common sleeping posture with head rotation. MRI images were used to reconstruct the subject specific three-dimensional solid mode...

journal_title：Annals of biomedical engineering

authors： Aristokleous N,Seimenis I,Georgiou GC,Nicolaides A,Anayiotos AS

更新日期：2015-06-01 00:00:00

abstract：:The responses of photoreceptor cells to moving stimuli are crucial to understanding motion detection in visual systems. However, these responses are not well characterized quantitatively because they result from a combination of spatial optical behavior in the lens systems with temporal behavior in the phototransducti...

journal_title：Annals of biomedical engineering

authors： Korenberg MJ,Juusola M,French AS

更新日期：1998-03-01 00:00:00

abstract：:Fox and Lu derived an algorithm based on stochastic differential equations for approximating the kinetics of ion channel gating that is simpler and faster than "exact" algorithms for simulating Markov process models of channel gating. However, the approximation may not be sufficiently accurate to predict statistics of...

journal_title：Annals of biomedical engineering

authors： Bruce IC

更新日期：2009-04-01 00:00:00

abstract：:Membrane introduction mass spectrometry has been applied to inert gas measurements in blood and tissue, but gases with low blood solubility are associated with reduced sensitivity. Countercurrent extraction of inert gases from a blood sample into a water carrier phase has the potential to extract most of the gas sampl...

journal_title：Annals of biomedical engineering

authors： Baumgardner JE,Neufeld GR

更新日期：1997-09-01 00:00:00

abstract：:Dynamic occlusal loading during mastication is clinically relevant in the design and functional assessment of dental restorations and removable dentures, and in evaluating temporomandibular joint dysfunction. The aim of this study was to develop a modelling framework to evaluate subject-specific dynamic occlusal loadi...

journal_title：Annals of biomedical engineering

authors： Woodford SC,Robinson DL,Edelmann C,Mehl A,Röhrle O,Vee Sin Lee P,Ackland DC

更新日期：2021-01-06 00:00:00

abstract：:Past literature has provided evidence that a normal mechanical force environment of blood flow may guide normal development while an abnormal environment can lead to congenital malformations, thus warranting further studies on embryonic cardiovascular flow dynamics. In the current study, we developed a non-invasive 4D...

journal_title：Annals of biomedical engineering

authors： Ho S,Tan GXY,Foo TJ,Phan-Thien N,Yap CH

更新日期：2017-10-01 00:00:00

abstract：:Conventional histologic methods provide valuable information regarding the physical nature of damage in fatigue-loaded tendons, limited to thin, two-dimensional sections. We introduce an imaging method that characterizes tendon microstructure three-dimensionally and develop quantitative, spatial measures of damage for...

journal_title：Annals of biomedical engineering

authors： Fung DT,Sereysky JB,Basta-Pljakic J,Laudier DM,Huq R,Jepsen KJ,Schaffler MB,Flatow EL

更新日期：2010-05-01 00:00:00

abstract：:Polymeric heart valves have the potential to reduce thrombogenic complications associated with current mechanical valves and overcome fatigue-related problems experienced by bioprosthetic valves. In this paper we characterize the in vitro velocity and Reynolds Shear Stress (RSS) fields inside and downstream of three d...

journal_title：Annals of biomedical engineering

authors： Leo HL,Dasi LP,Carberry J,Simon HA,Yoganathan AP

更新日期：2006-06-01 00:00:00

abstract：:A cable model is formulated to estimate the spatial distribution of intracellular electric potential and current, from the cement line to the lumen of an osteon, as the frequency of the loading and the conductance of the gap junction are altered. The model predicts that the characteristic diffusion time for the spread...

journal_title：Annals of biomedical engineering

authors： Zhang D,Cowin SC,Weinbaum S

更新日期：1997-03-01 00:00:00

abstract：:Normal physiological mechanical forces cause constant tissue renewal in aortic valve leaflets (AVL) while altered mechanical forces incite changes in their structural and biological properties. The current study aims at characterizing the remodeling properties of AVL subjected to cyclic circumferential stretch in a st...

journal_title：Annals of biomedical engineering

authors： Balachandran K,Konduri S,Sucosky P,Jo H,Yoganathan AP

更新日期：2006-11-01 00:00:00

abstract：:We attempted to estimate in living adherent epithelial alveolar cells, the degree of structural and mechanical heterogeneity by considering two individualized cytoskeleton components, i.e., a submembranous "cortical" cytoskeleton and a "deep" cytoskeleton (CSK). F-actin structure characterizing each CSK component was ...

journal_title：Annals of biomedical engineering

authors： Laurent VM,Fodil R,Cañadas P,Féréol S,Louis B,Planus E,Isabey D

更新日期：2003-11-01 00:00:00

abstract：:Thorax injuries mainly due to rib fractures have been associated with high rates of morbidity and mortality in motor vehicle crashes. Thoracic biomechanics has been studied extensively, but there are no robust biomechanical response targets for ribs that consider age, sex, body size, and vulnerability factors. The obj...

journal_title：Annals of biomedical engineering

authors： Kang YS,Kwon HJ,Stammen J,Moorhouse K,Agnew AM

更新日期：2021-02-01 00:00:00

abstract：:The linear homeomorphic muscle model proposed by Enderle and coworkers for the rectus eye muscle is fitted to reflect the dynamics of muscles in the head-neck complex, specifically in muscles involved in gaze shifts. This parameterization of the model for different muscles in the neck region will serve to drive a 3D d...

journal_title：Annals of biomedical engineering

authors： Sierra DA,Enderle JD

更新日期：2010-02-01 00:00:00

abstract：:Cellular engineering applies the principles and methods of engineering to the problems of cell and molecular biology of both a basic and applied nature. As biomedical engineering has shifted from the organ and tissue level to the cellular and sub-cellular level, cellular engineering has emerged as a new area. A corner...

journal_title：Annals of biomedical engineering

authors： Nerem RM

更新日期：1991-01-01 00:00:00

abstract：:Electrical potentials in mechanically loaded bone have been implicated as signals in the bone remodeling cycle. Recently, interest has grown in exploiting this phenomenon to develop electrically active ceramics for implantation in hard tissue which may induce improved biological responses. Both polarized hydroxyapatit...

journal_title：Annals of biomedical engineering

authors： Baxter FR,Bowen CR,Turner IG,Dent AC

更新日期：2010-06-01 00:00:00

abstract：:In this paper, we present the application of a semi-global inverse method for determining material parameters of biological tissues. The approach is based on the successive response surface method, and is illustrated by fitting constitutive parameters to two nonlinear anisotropic constitutive equations, one for aortic...

journal_title：Annals of biomedical engineering

authors： Einstein DR,Freed AD,Stander N,Fata B,Vesely I

更新日期：2005-12-01 00:00:00

abstract：:Newborns with single ventricle physiology are usually palliated with a multi-staged procedure. When cardiovascular complications e.g., collateral vessel formation occur during the inter-stage periods, further treatments are required. An 8-month-old patient, who underwent second stage (i.e., bi-directional Glenn, BDG) ...

journal_title：Annals of biomedical engineering

authors： Corsini C,Baker C,Baretta A,Biglino G,Hlavacek AM,Hsia TY,Kung E,Marsden A,Migliavacca F,Vignon-Clementel I,Pennati G,Modeling of Congenital Hearts Alliance (MOCHA) Investigators.

更新日期：2015-06-01 00:00:00

abstract：:The pulmonary microvasculature offers a heterogeneous barrier to the motion of large solutes as they pass between blood and lymph. While this barrier has been approximated by a few discrete pathways or by statistical ensembles of many pathways, these descriptions only partly capture the structural and functional prope...

journal_title：Annals of biomedical engineering

authors： McNamee JE

更新日期：1990-01-01 00:00:00

abstract：:Observing microscopic specimens is often useful in studies of cellular interaction with a vascular wall. We have developed an in vitro side-view flow chamber that permits observations from the side of the cell's contact with various adhesive surfaces under dynamic flow conditions. This side-view flow chamber consists ...

journal_title：Annals of biomedical engineering

authors： Cao J,Usami S,Dong C

更新日期：1997-05-01 00:00:00