The Effects of 4%Fe on the Performance of Pure Zinc as Biodegradable Implant Material.

abstract：:This work presents a novel methodology for building a three-dimensional patient-specific eyeball model suitable for performing a fully automatic finite element (FE) analysis of the corneal biomechanics. The reconstruction algorithm fits and smooths the patient's corneal surfaces obtained in clinic with corneal topogra...

journal_title：Annals of biomedical engineering

authors： Ariza-Gracia MÁ,Zurita J,Piñero DP,Calvo B,Rodríguez-Matas JF

更新日期：2016-05-01 00:00:00

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：:We propose a novel method to reconstruct the hypothetical geometry of the healthy vasculature prior to intracranial aneurysm (IA) formation: a Frenet frame is calculated along the skeletonization of the arterial geometry; upstream and downstream boundaries of the aneurysmal segment are expressed in terms of the local ...

journal_title：Annals of biomedical engineering

authors： Chen H,Selimovic A,Thompson H,Chiarini A,Penrose J,Ventikos Y,Watton PN

更新日期：2013-07-01 00:00:00

abstract：:Microscopic steps and crevices are inevitable features within prosthetic blood-contacting devices. This study aimed to elucidate the thrombogenicity of the associated microscopic flow features by studying the transport of fluorescent platelet-sized particles in a suspension of red blood cells (RBCs) flowing through a ...

journal_title：Annals of biomedical engineering

authors： Zhao R,Marhefka JN,Shu F,Hund SJ,Kameneva MV,Antaki JF

更新日期：2008-07-01 00:00:00

abstract：:The effect of stent design on wall shear stress (WSS) and oscillatory shear index (OSI) was studied in vitro using time-resolved digital particle image velocimetry (DPIV). Four drug-eluting stents [XIENCE V (Abbott Vascular), TAXUS Liberté (Boston Scientific), Endeavor (Medtronic), and Cypher (J&J Cordis)] and a bare-...

journal_title：Annals of biomedical engineering

authors： Charonko J,Karri S,Schmieg J,Prabhu S,Vlachos P

更新日期：2009-07-01 00:00:00

abstract：:Three animal models were evaluated in this study involving head impacts of the rat, including the Marmarou drop-weight and two momentum-exchange techniques. In series 1, 36 Wistar rats were hit on the side of the free-moving head using Marmarou's 450 g impact mass at 4.4, 5.4, and 6.3 m/s. Head acceleration was measur...

journal_title：Annals of biomedical engineering

authors： Viano DC,Hamberger A,Bolouri H,Säljö A

更新日期：2012-01-01 00:00:00

abstract：:A major benefit of computational modeling in biomechanics research is its ability to estimate internal muscular demands given limited input information. However, several assumptions regarding model parameters and constraints may influence model outputs. This research evaluated the influence of model parameter variabil...

journal_title：Annals of biomedical engineering

authors： Chopp-Hurley JN,Langenderfer JE,Dickerson CR

更新日期：2014-09-01 00:00:00

abstract：:It is widely recognized that the bacteria sequestered in a biofilm on a medical implant are much more resistant to antibiotics than their planktonic counterparts. Recent studies have shown that application of antibiotic along with low power ultrasound significantly increases the killing of planktonic bacteria by the a...

journal_title：Annals of biomedical engineering

authors： Qian Z,Sagers RD,Pitt WG

更新日期：1997-01-01 00:00:00

abstract：:Basic fibroblast growth factor (FGF-2) is a potent angiogenic growth factor involved in the development of diseases such as cancer, atherosclerosis, and heart and limb ischemia, as well as normal wound healing and tissue development. Despite being one of the most heavily studied angiogenic growth factors, the binding ...

journal_title：Annals of biomedical engineering

authors： Filion RJ,Popel AS

更新日期：2004-05-01 00:00:00

abstract：:Previous research in cellular adhesion has focused primarily on studying isolated cells under conditions where cells do not interact with each other. However, in vivo cells form sheets where both cell-substratum and cell-cell interactions contribute to the overall adhesive behavior. Our understanding of how cell-cell ...

journal_title：Annals of biomedical engineering

authors： Peel MM,DiMilla PA

更新日期：1999-03-01 00:00:00

abstract：:Additive manufacturing, also known as 3D printing, has emerged over the past 3 decades as a disruptive technology for rapid prototyping and manufacturing. Vat polymerization, powder bed fusion, material extrusion, and binder jetting are distinct technologies of additive manufacturing, which have been used in a wide va...

journal_title：Annals of biomedical engineering

authors： Trombetta R,Inzana JA,Schwarz EM,Kates SL,Awad HA

更新日期：2017-01-01 00:00:00

abstract：:This study presents a novel approach to modeling the electrocardiogram (ECG): the Gaussian pulse decomposition. Constituent waves of the ECG are decomposed into and represented by Gaussian pulses using an iterative algorithm: the chip away decomposition (ChAD) algorithm. At each iteration, a nonlinear minimization met...

journal_title：Annals of biomedical engineering

authors： Suppappola S,Sun Y,Chiaramida SA

更新日期：1997-03-01 00:00:00

abstract：:Effects of hyperthermia on transport of low-density lipoprotein (LDL) through a stenosed arterial wall are analyzed comprehensively in the present work. The realistic and pertinent aspects of an arterial wall is represented by a multi-layer model, with a proper representation of the thickened intima region due to the ...

journal_title：Annals of biomedical engineering

authors： Iasiello M,Vafai K,Andreozzi A,Bianco N,Tavakkoli F

更新日期：2015-07-01 00:00:00

abstract：:It would often be desirable to obtain the respiratory rate during everyday conditions without obtaining an additional respiratory trace. This study investigates the agreement between respiratory rate assessed from the electrocardiogram (ECG) and the reference respiratory rate derived from a nasal/oral airflow (AF). Na...

journal_title：Annals of biomedical engineering

authors： Cysarz D,Zerm R,Bettermann H,Frühwirth M,Moser M,Kröz M

更新日期：2008-12-01 00:00:00

abstract：:Impedance data, e.g., system responses, from perturbing small amplitude applied sinusoid signals of near DC to high kilohertz frequencies, give chemical information. Analysis of frequency-dependent imaginary and real impedance proceeds from equivalent analog circuit elements to chemical and physical significance deter...

journal_title：Annals of biomedical engineering

authors： Buck RP

更新日期：1992-01-01 00:00:00

abstract：:While virtual reality (VR) has potential in enhancing cardiovascular diagnosis and treatment, prerequisite labor-intensive image segmentation remains an obstacle for seamlessly simulating 4-dimensional (4-D, 3-D + time) imaging data in an immersive, physiological VR environment. We applied deformable image registratio...

journal_title：Annals of biomedical engineering

authors： Abiri A,Ding Y,Abiri P,Packard RRS,Vedula V,Marsden A,Kuo CJ,Hsiai TK

更新日期：2018-12-01 00:00:00

abstract：:Intraluminal thrombus (ILT) is a pseudo-tissue that develops from coagulated blood, and is found in most abdominal aortic aneurysms (AAAs) of clinically relevant size. A number of studies have suggested that ILT mechanical characteristics may be related to AAA risk of rupture, even though there is still great controve...

journal_title：Annals of biomedical engineering

authors： Riveros F,Martufi G,Gasser TC,Rodriguez-Matas JF

更新日期：2015-09-01 00:00:00

abstract：:Baseball players swung very light and very heavy bats through our instrument and the speed of the bat was recorded. These data were used to make mathematical models for each person. Then these models were coupled with equations of physics for bat-ball collisions to compute the Ideal Bat Weight for each individual. How...

journal_title：Annals of biomedical engineering

authors： Bahill AT,Freitas MM

更新日期：1995-07-01 00:00:00

abstract：:We propose a new method for guiding catheter ablation procedures to abolish sites of origin of arrhythmias. This method models both cardiac electrical activity and current pulses delivered from the tip of the ablation catheter with a single equivalent moving dipole (SEMD). The SEMD parameters are obtained from analysi...

journal_title：Annals of biomedical engineering

authors： Armoundas AA,Feldman AB,Mukkamala R,Cohen RJ

更新日期：2003-05-01 00:00:00

abstract：:In this paper, a new method for quantification of rigidity in elbow joint of Parkinsonian patients is introduced. One of the most known syndromes in Parkinson's disease (PD) is increased passive stiffness in muscles, which leads to rigidity in joints. Clinical evaluation of stiffness in wrist and/or elbow, commonly us...

journal_title：Annals of biomedical engineering

authors： Sepehri B,Esteki A,Ebrahimi-Takamjani E,Shahidi GA,Khamseh F,Moinodin M

更新日期：2007-12-01 00:00:00

abstract：:Further understanding of the mechanical deformation and tear behavior of kidney during suturing helps to enhance surgical task execution that requires fine suture manipulation. This paper aims to develop a model to describe the relationship between the tensile force acting on suture line and the resulted kidney deform...

journal_title：Annals of biomedical engineering

authors： Yu D,Qing Y,Jianxun Z,Jun D

更新日期：2013-04-01 00:00:00

abstract：:This study presents a generic numerical model to simulate the coupled solute and solvent transport in tissue sections during addition and removal of chemical additives or cryoprotective agents (CPA; dimethylsulfoxide or DMSO). Osmotic responses of various tissue cells within the artificial tissue are predicted by the ...

journal_title：Annals of biomedical engineering

authors： He Y,Devireddy RV

更新日期：2005-05-01 00:00:00

abstract：:Linear autoregressive (AR) model-based heart rate (HR) spectral analysis has been widely used to study HR dynamics. Owing to system and measurement noise, the parameters of an AR model have intrinsic statistical uncertainty. In this study, we evaluate how this AR parameter uncertainty can translate to uncertainty in H...

journal_title：Annals of biomedical engineering

authors： Christini DJ,Kulkarni A,Rao S,Stutman ER,Bennett FM,Hausdorff JM,Oriol N,Lutchen KR

更新日期：1995-03-01 00:00:00

abstract：:The signal that governs the chemotactic response of mammalian white blood cells and tissue cells arises from membrane-localized binding events involving chemotactic factor ligands and receptors and G proteins. Fluctuations in this signal have been traditionally attributed to significant "noise" in receptor-ligand bind...

journal_title：Annals of biomedical engineering

authors： Moghe PV,Tranquillo RT

更新日期：1995-05-01 00:00:00

abstract：:For the esophageal contractile activity recorded during swallowing, a feature extraction scheme has been developed. It recognizes the time, duration, and amplitudes of local peaks for each peristaltic wave. The method is based on the Tauberian approximation for modeling waveforms as a sum of identically shaped pulses ...

journal_title：Annals of biomedical engineering

authors： Abou-Chadi FE,Ezzat FA,Gad-Elhak N,Sif el-Din AA

更新日期：1993-03-01 00:00:00

abstract：:A numerical single path model of respiratory gas exchange with distributed alveolar gas sources was used to estimate the anatomical changes in small peripheral airways such as occur in chronic obstructive pulmonary diseases (COPD). A previous sensitivity analysis of the single path model showed that decreasing total a...

journal_title：Annals of biomedical engineering

authors： Schwardt JD,Neufeld GR,Baumgardner JE,Scherer PW

更新日期：1994-05-01 00:00:00

abstract：:A mathematical model of heat, water and soluble gas exchange in the airways and alveoli was used to predict the location of soluble gas exchange in the lung. A previously published model of heat, water and soluble gas exchange in the airways was improved by incorporating anatomical data on the airway wall to better de...

journal_title：Annals of biomedical engineering

authors： Anderson JC,Babb AL,Hlastala MP

更新日期：2003-12-01 00:00:00

abstract：:Functional electrical stimulation (FES) to lower extremity (LE) muscles is used by individuals post-stroke as an alternative to mechanical orthotic devices during gait or as a training modality during rehabilitation. Technological developments which improve the feasibility, accessibility and effectiveness of FES syste...

journal_title：Annals of biomedical engineering

authors： Kafri M,Laufer Y

更新日期：2015-02-01 00:00:00

abstract：:A kinetic model based on first principles, for β(2)-microglobulin, is presented to obtain precise parameter estimates for individual patient. To reduce the model complexity, the number of model parameters was reduced using a priori identifiability analysis. The model validity was confirmed with the clinical data of te...

journal_title：Annals of biomedical engineering

authors： Maheshwari V,Samavedham L,Rangaiah GP

更新日期：2011-12-01 00:00:00

abstract：:Platelet thrombosis under arterial conditions remains a large clinical problem. Previous in vitro experiments have concentrated on early adherence without thrombotic occlusion. We have developed a controllable hemodynamic system that creates intravascular thrombosis to occlusion. Lightly heparinized (3.5 USP units/mL)...

journal_title：Annals of biomedical engineering

authors： Para A,Bark D,Lin A,Ku D

更新日期：2011-07-01 00:00:00