Development of gradient descent adaptive algorithms to remove common mode artifact for improvement of cardiovascular signal quality.

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：:Much effort is expended in developing biomimetic scaffolds that provide the micro-architecture of native tissue with appropriate cellular niches. Such scaffolds are often seeded with progenitor cells to generate engineered replacements for diseased or damaged tissues. An alternative approach relies on biology, rather ...

journal_title：Annals of biomedical engineering

authors： Evans CH

更新日期：2015-03-01 00:00:00

abstract：:We and others have shown that changing surface characteristics of the spacer implanted during the first Masquelet stage alters some aspects of membrane development. Previously we demonstrated that titanium (TI) spacers create membranes that are better barriers to movement of solutes > 70 kDa in size than polymethyl me...

journal_title：Annals of biomedical engineering

authors： Toth Z,Roi M,Evans E,Watson JT,Nicolaou D,McBride-Gagyi S

更新日期：2019-01-01 00:00:00

abstract：:This work presents a method to unequivocally detect urine sample tampering in cases where integrity of the sample needs to be verified prior to urinalysis. The technique involves the detection of distinct patterns of a triplex short tandem repeats system in DNA extracted from human urine. The analysis is realized with...

journal_title：Annals of biomedical engineering

authors： Pires NMM,Dong T,Yang Z,Santos SMB

更新日期：2020-02-01 00:00:00

abstract：:Step-off edges and tissue interfaces are prevalent in cartilage injury such as after intra-articular fracture and reduction, and in focal defects and surgical repair procedures such as osteochondral graft implantation. It would be useful to assess the function of injured or donor tissues near such step-off edges and t...

journal_title：Annals of biomedical engineering

authors： Bae WC,Law AW,Amiel D,Sah RL

更新日期：2004-03-01 00:00:00

abstract：:The most widely implanted prosthetic valve is the mechanical bileaflet. Recent clinical experiences suggest that some designs are more prone to thromboembolic episodes than others. This study evaluated the hinge flow and near-field forward flow of the new St. Jude Medical Regent bileaflet mechanical heart valve. Laser...

journal_title：Annals of biomedical engineering

authors： Ellis JT,Travis BR,Yoganathan AP

更新日期：2000-05-01 00:00:00

abstract：:Naphthalene is a toxicant with unusual species and tissue specificity that has been the subject of in vitro studies. We describe a preliminary physiologically based pharmacokinetic (PBPK) model for naphthalene constructed solely from in vitro data for comparison to animal data without the use of adjustable parameters....

journal_title：Annals of biomedical engineering

authors： Sweeney LM,Shuler ML,Quick DJ,Babish JG

更新日期：1996-03-01 00:00:00

abstract：:Examining students' learning styles can yield information useful to the design of learning activities, courses, and curricula. A variety of measures have been used to characterize learning styles, but the literature contains little information specific to biomedical engineering (BMEN) students. We, therefore, utilized...

journal_title：Annals of biomedical engineering

authors： Dee KC,Nauman EA,Livesay GA,Rice J

更新日期：2002-09-01 00:00:00

abstract：:Static and dynamic components of the stretch reflex were studied in elbow flexors of 13 hemiparetic brain-injured individuals. Constant-velocity joint rotations were applied to the elbow, and the resulting stretch reflex torque and electromyographic responses were recorded in the biceps brachii and brachioradialis mus...

journal_title：Annals of biomedical engineering

authors： Schmit BD,Rymer WZ

更新日期：2001-04-01 00:00:00

abstract：:During defecation, solid, semisolid or liquid stools are eliminated via the anus in a complex physiological process. Up to 25% of the population are affected by anorectal disorders that are poorly recognized and treated. We developed a new bionics device, a simulated stool named Fecobionics, to replace several current...

journal_title：Annals of biomedical engineering

authors： Sun D,Huang Z,Zhuang Z,Ma Z,Man LK,Liao D,Gregersen H

更新日期：2019-02-01 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：:A vaccine that induces broadly neutralizing antibodies (bnAbs) against the human immunodeficiency virus (HIV) would be instrumental in controlling the disease. The membrane proximal external region (MPER) peptide is an appealing antigen candidate since it is conserved and is the target of several human bnAbs, such as ...

journal_title：Annals of biomedical engineering

authors： Shao S,Huang WC,Lin C,Hicar MD,LaBranche CC,Montefiori DC,Lovell JF

更新日期：2020-07-01 00:00:00

abstract：:The study was to explore the effects of BMP-2 gene modified canine bone marrow stromal cells (bMSCs) mediated by a nonviral PEI derivative (GenEscort™ II) in promoting bone formation in vitro and in vivo. Canine bMSCs were cultured and transfected with plasmids containing bone morphogenetic protein-2 gene (pBMP-2) or ...

journal_title：Annals of biomedical engineering

authors： Lü K,Zeng D,Zhang Y,Xia L,Xu L,Kaplan DL,Jiang X,Zhang F

更新日期：2011-06-01 00:00:00

abstract：:The advantages of photoacoustic (PA) imaging, including low cost, non-ionizing operation, and sub-mm spatial resolution at centimeters depth, make it a promising modality to probe nanoparticle-targeted abnormalities in real time at cellular and molecular levels. However, detecting rare cell types in a heterogeneous ba...

journal_title：Annals of biomedical engineering

authors： O'Donnell M,Wei CW,Xia J,Pelivanov I,Jia C,Huang SW,Hu X,Gao X

更新日期：2013-11-01 00:00:00

abstract：:Cell migration paths of mammary epithelial cells (expressing different versions of the promigratory tyrosine kinase receptor Her2/Neu) were analyzed within a bimodal framework that is a generalization of the run-and-tumble description applicable to bacterial migration. The mammalian cell trajectories were segregated i...

journal_title：Annals of biomedical engineering

authors： Potdar AA,Lu J,Jeon J,Weaver AM,Cummings PT

更新日期：2009-01-01 00:00:00

abstract：:Understanding the complex spatiotemporal dynamics of action potential propagation in the heart during arrhythmia is exceedingly difficult. This study applies nonlinear dynamics tools to simplify this task. Using the results of a simulation of an electrical induction of reentry in a sheet of myocardium represented as a...

journal_title：Annals of biomedical engineering

authors： Larson C,Dragnev L,Trayanova N

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:We present a fundamental theoretical framework for analysis of energy dissipation in any component of the circulatory system and formulate the full energy budget for both venous and arterial circulations. New indices allowing disease-specific subject-to-subject comparisons and disease-to-disease hemodynamic ...

journal_title：Annals of biomedical engineering

authors： Dasi LP,Pekkan K,de Zelicourt D,Sundareswaran KS,Krishnankutty R,Delnido PJ,Yoganathan AP

更新日期：2009-04-01 00:00:00

abstract：:Radiation applied for therapy and diagnostics damages molecular/atomic couples of biotissues, bones being among them. As a result, electron peculiarities and mechanical behavior of the latter are altered. Correlation between strength of the irradiated bone and its electron features explored due to photo- and exoelectr...

journal_title：Annals of biomedical engineering

authors： Dekhtyar Y

更新日期：2001-12-01 00:00:00

abstract：:The current paradigm in tissue engineering is that "full regeneration" or "total replacement" of normal tissue is required in order to restore joint function. However, there is considerable evidence that suggests that targets other than "normality" may actually be required for tissue substitutes. Sometimes "less than ...

journal_title：Annals of biomedical engineering

authors： Frank CB,Shrive NG,Boorman RS,Lo IK,Hart DA

更新日期：2004-03-01 00:00:00

abstract：:Recent developments in computational modeling of cochlear implantation are promising to study in silico the performance of the implant before surgery. However, creating a complete computational model of the patient's anatomy while including an external device geometry remains challenging. To address such a challenge, ...

journal_title：Annals of biomedical engineering

authors： Mangado N,Ceresa M,Duchateau N,Kjer HM,Vera S,Dejea Velardo H,Mistrik P,Paulsen RR,Fagertun J,Noailly J,Piella G,González Ballester MÁ

更新日期：2016-08-01 00:00:00

abstract：:Image registration and motion estimation play central roles in many fields, including RADAR, SONAR, light microscopy, and medical imaging. Because of its central significance, estimator accuracy, precision, and computational cost are of critical importance. We have previously presented a highly accurate, spline-based ...

journal_title：Annals of biomedical engineering

authors： Viola F,Coe RL,Owen K,Guenther DA,Walker WF

更新日期：2008-12-01 00:00:00

abstract：:A major drawback in the operation of mechanical heart valve prostheses is thrombus formation in the near valve region. Detailed flow analysis in this region during the valve closure phase is of interest in understanding the relationship between shear stress and platelet activation. A fixed-grid Cartesian mesh flow sol...

journal_title：Annals of biomedical engineering

authors： Krishnan S,Udaykumar HS,Marshall JS,Chandran KB

更新日期：2006-10-01 00:00:00

abstract：:The objective of this study was to develop a unique device for applying well-characterized cyclic, strain to cells growing on implant alloys. The device is based on the four-point bending principle and utilizes an electric motor, belt, and cam system to cyclically deflect a commercially pure titanium plate with cell c...

journal_title：Annals of biomedical engineering

authors： Winter LC,Gilbert JA,Elder SH,Bumgardner JD

更新日期：2002-11-01 00:00:00

abstract：:We present an optical non-contact method for heart beat monitoring, based on the measurement of chest wall movements induced by the pumping action of the heart, which is eligible as a surrogate of electrocardiogram (ECG) in assessing both cardiac rate and heart rate variability (HRV). The method is based on the optica...

journal_title：Annals of biomedical engineering

authors： Morbiducci U,Scalise L,De Melis M,Grigioni M

更新日期：2007-01-01 00:00:00

abstract：:Femoral neck fractures are a relevant clinical and social problem. The aim of this study was to improve the prediction of patients at-risk of femoral neck fracture with respect to the current densitometric-based methods. In particular, finite element models were used to assess the prediction accuracy obtained by combi...

journal_title：Annals of biomedical engineering

authors： Testi D,Viceconti M,Cappello A,Gnudi S

更新日期：2002-06-01 00:00:00

abstract：:In uniaxial tensile testing, load preconditioning is used to generate repeatable load/elongation curves and set a "reference state" for subsequent tensile tests. We have observed however, that for porcine aortic valve (PAV) tissues, preconditioning does not lead to repeatable stress relaxation curves. We thus investig...

journal_title：Annals of biomedical engineering

authors： Carew EO,Garg A,Barber JE,Vesely I

更新日期：2004-04-01 00:00:00

abstract：:The contractile power of the latissimus dorsi muscle (LDM) is used in skeletal muscle cardiac assist (SMCA) to augment the blood pumping ability of a failing heart. The LDM has three anatomically distinct, independently innervate segments-the transverse, oblique, and lateral. There are potential advantages to selectiv...

journal_title：Annals of biomedical engineering

authors： Thompson DR,Michele JJ,Cheever EA,George DT

更新日期：1999-01-01 00:00:00

abstract：:Upon nerve injury, the body creates an environment consisting of permissive and non-permissive cues that instruct the function of cells involved in nerve repair. Among other roles, the developing extracellular matrix (ECM) acts as an underlying substrate to guide the union of neurites extending from the proximal stump...

journal_title：Annals of biomedical engineering

authors： Man AJ,Leach JK,Bannerman P

更新日期：2014-06-01 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：:The effects of training on a person's ability to perceive, interpret and utilize information presented via the tactile sense were examined by using a dual-channel electrocutaneous tracking approach. The electrocutaneous code studied was linear pulse rate encoding of information. The stimulus had a pulse width of 200 m...

journal_title：Annals of biomedical engineering

authors： Szeto AY,Chung YM

更新日期：1986-01-01 00:00:00