13th International Conference on Electrical Bioimpedance and 8th Conference on Electrical Impedance Tomography 2007 (eBook)

About IFMBE 6
Preface 9
Content 15
Frontiers in nano- and microstructures on microarrays for cell and tissue real time monitoring by bioimpedance spectroscopy 27
New Techniques in Impedance Imaging: MFEIT and MREIT 28
What separates us from turning EIC and EIT into successful clinical bed- side instruments? 29
Evolution of a Diagnostic Decision Support Tool Based on Electrical Impedance 30
The current flow modelling in a sensor with the active shield 34
High frequency and low concentration – limitation for impedance measurements 38
Modelling the measurement of thoracic tissue impedance layers with local electrode arrays 42
Intra-Cardiac Bioimpedance Field Variability with Breathing 46
Using least squares and Kramers-Kronig transforms in the processing of impedance spectroscopy measurement data data data 50
Why is the measured impedance of the bladder tissue different from the computational modelling results? 54
Comparison of a theoretical impedance model with experimental measurements of pulsatile blood flow 58
New Aspects of Estimating Electrical Participating Volume of the Thorax for Transthoracic Impedance Cardiography 62
Sensitivity Distribution Simulations of Electrode Configurations for Monitoring Tissue Grafts 66
Sensitivity Analysis of Polysegmental BIA Parameters for Estimation of Body Composition and Systemic Hydrohemodynamics 70
Sensitivity of the Tetrapolar Lead Configurations on the Impedance Changes of the Lungs 74
Properties of CMT studies by means of FEM and Spice model 78
The Model of Vascular Bed for Estimation of Human Systemic Hydrohemodynamics 82
An Electrical Impedance Model for Deep Brain Stimulation of Parkinson’s Disease 86
Influence of Breathing on Foucault Cardiogram Origination 88
Storage Effects on Whole Blood: Physiological and Electrical Measurements 92
Frequency characteristics of the electrical conductivity in normal and coagulated blood 96
The electrical impedance of pulsatile blood flowing through rigid tubes: an experimental investigation 99
Four Electrode EIS Measurement on Interdigitated Microelectrodes for Adherent Cell Growing and Differentiation Monitoring 103
Appraisal of cellular systems using impedance spectroscopy – theoretical and experimental aspects 107
Sensing the cell- substrate interaction towards development of “smart” surfaces 112
Dielectric Spectroscopy of Biological Cells in Microfluidic Devices 116
Measurements on cultured cells using screen printed sensors 120
Dielectric spectra of biological cells and tissues simulated by three- dimensional finite difference method 124
Electrical time constants of erythrocytes for confocal and uniform thickness membrane 128
Dual SPR-Impedance Measurement System for detection of bioaffinity interactions 132
Viable Biomass Probe for a Life Support System Bioreactor 136
Bioimpedance Study on Four Apple Varieties 140
Effect of Mechanical Stress on Apple Impedance Parameters 144
Quantitative evaluation of nano-order micromotion of cultured cells using electric cell- substrate impedance sensing method 148
Electrical Impedance Spectroscopy of Prostatic Tissues 152
Electrical impedance measurements during electroporation of rat liver and muscle 156
Comparative dielectric studies of neoplastic and healthy breast tissue. Intra-operative breast cancer probe. 160
Heart Graft Rejection Assessed by Multi-Frequency Electrical Impedance: Human Results 164
Evaluation of the periodontal tissue hydration level via bioimpedance spectrometry 168
A Pilot Study For Tissue Characterisation Using Bioimpedance Mapping 172
Electrical and thermal monitoring during cardiosurgery interventions 176
Low-frequency dielectric properties of the oral mucosa 180
Water gradient and calibration of stratum corneum hydration measurements 184
Calibration of skin hydration measurements 187
Examination of amount of moisture of adult female's forearm epidermal stratum corneum with two kinds of impedance sensors 191
Evaluation of the effects of topical clobetasol propionate by electrical impedance 194
Diagnosing Diseases by Measurement of Electrical Skin Resistance: A Novel Technique 198
Characteristics of Skin Impedance for Biological Active Points Using Dry Electrode Measurement System 203
Signals in bioimpedance measurement: different waveforms for different tasks 207
Simultaneous multi-frequency bio-impedance measurement applying synchronised uniform or non- uniform sampling 211
A Novel Approach for Estimation of Electrical Bioimpedance: Total Least Square 216
A new hard and software concept for impedance spectroscopy analysers for broadband process measurements 220
Geometry dependencies in tetrapolar electrode systems – a finite element analysis on needle electrodes 224
Electric field tomography system with planar electrode array 227
Needle position determined by tissue impedance 231
Bio-Impedance Signal Decomposer (BISD) as an Adaptive Signal Model Based Separator of Cardiac and Respiratory Components 235
A Comprehensive Study on Current Source Circuits 239
A Differential Current Source for High Frequency Biomedical Applications in a 0.5 0.5 CMOS Integrated Circuit Technology 243
Data acquisition and Impedance Mapping Using a Multielectrode Bioimpedance Spectroscopy System 247
Two-channel high dynamic range bioimpedance monitor for cardiography 251
Multi Frequency, Multi Channel, Differential Impedance Analyzer for Rapid Assays 255
Expanding the functionality of HP4284A precision LCR meter through measurement system integration 258
Development of a medical device for long-term sweat activity measurements 262
An energy efficient wearable tissue monitor 266
Multichannel Handheld Hard-tissue Bio- impedance Meter with Bluetooth Link 270
Wireless Measurement System for Bioimpedance and ECG 274
Impedance sensor with actively driven electrical shield for soft tissue examinations 278
Implantable bioimpedance system for measuring the impedance of kidney 282
Skin Electrode Impedance of Textile Electrodes for Bioimpedance Spectroscopy 286
Mapping and Monitoring of Cardioactivity: Multi-Channel Impedance Technology and System 290
A measurement system for evaluation of electrical properties of myocardium 294
Saline-saturated Balsa Wood as a Testing Medium for Rotational Electrical Impedance Myography 298
Digitally Controlled Reference Impedance Device for Test and Calibration of the Bio- Impedance Measurement System ( BIMS) in a Networked Environment 302
A measurement system for evaluating electrical properties of flowing blood blood 306
A Custom-made Demodulation Technique for ElT/EIS Systems 310
Tomographic image reconstruction from dual modality ultrasound and electrical impedance data 314
Magneto-Acousto-Electrical Tomography: A New Imaging Modality for Electrical Impedance 318
Interface impedance improvement with carbon nanotubes 322
Designing a PtCO2 sensor based on conductivity measurements 326
Ultra-Thin Silicon Membrane as a Sensitive Substrate for Active Bioscreening 330
Probing Biomimetic Molecular Structures on Gold and Silicon(111) with Electrical Impedance Spectroscopy 334
Reconstruction method of Magneto-acoustic Tomography with magnetic Induction 338
Circular and Magnetron Inductor/Sensor Coils to Detect Volumetric Brain Edema by Inductive Phase Shift Spectroscopy: A Sensitivity Simulation Study 341
Determination of the dynamic measurement error of EIT systems 346
Low-Noise Measurement for Electrical Impedance Tomography 350
Investigation of biological phantom for 2D and 3D breast EIT images 354
Calibration of Multi-frequency EIT System 358
Study into the repeatability of the electrode-skin interface utilizing electrodes commonly used in Electrical Impedance Tomography 362
Time- and Frequency-difference Imaging using KHU Mark1 EIT System 366
Complex Conductivity Spectra of Seven Materials and Phantom Design for EIT 370
Integrated Data Collection in Electrical Impedance Tomography 374
Reconstruction Algorithms to Monitor Neonate Lung Function 378
Comparison of EIT current electrode locations in three-dimensional head reconstruction 382
Information Content of EIT Measurements 386
Direct calculation of the electrode movement Jacobian for 3D EIT 390
Validation of Finite Element mesh warping for improving the forward model in EIT of brain function 394
Validation of a finite element solution for electrical impedance tomography in an anisotropic medium 398
Predicted EIT current densities in the brain using a 3D anatomically realistic model of the head 402
Frequency Marked Electrodes in Electrical Impedance Tomography 406
Conversion of EIT brain images for co-registration 410
A new clinical data and image analysis tool for monitoring neonatal lung function 414
New anomaly detection algorithm using multi-frequency trans-admittance maps 418
An excitation in differential EIT – selection of measurement frequencies frequencies frequencies frequencies frequencies 422
Regularization of EIT Problem Using Trust Region SubProblem Method 426
Sensitivity of two different reconstruction algorithms to body shape and electrode position errors in absolute EIT 430
Four-Dimensional Regularization for Electrical Impedance Tomography Imaging 434
Experimental Results of Anomaly Detection using Multi- Frequency Trans- Admittance Scanner 438
Coregistration of Electrical Impedance Tomography and Magnetic Resonance Imaging 442
Image reconstruction for the selection of electrode patterns in Electrical Impedance Endotomography 446
Quantitative analysis of shape change in Electrical Impedance Tomography (EIT) 450
Impact of the reconstruction method on the point spread function in electrical tomography 454
Parametric image: a step forward for virtual biopsy by EIT? 458
Preliminary study of a Cole-Cole model curve fitting method for Electrical Impedance Tomography 462
Preliminary Investigation of Correlation Between In-Vitro Specimen Measurement and In- Vivo Imaging Data from ROI Analysis 466
Using Micro Electrode Array For On-line EIT Measurement 470
Development of the Multichannel Simultaneous Magnetic Induction Measurement System Musimitos 474
Spectroscopic 16 channel magnetic induction tomograph: The new Graz MIT system 478
Magnetic InductionTomography: The influence of the coil configuration on the spatial resolution 482
Parallelization Methods for Implementation of Magnetic Induction Tomography Forward Models in Symmetric Multiprocessor Clusters 486
Using outer boundary information for image reconstruction in magnetic induction tomography 490
Imagereconstruction approaches for Philips magnetic induction tomograph 494
Dielectric Measurement using Radio Imaging Method for Tomography 498
Correction of systematic errors in frequency differential magnetic induction tomography 502
Magnetic Induction Tomography: A feasibility study of brain oedema detection using a finite element human head model 506
16 Channel Magnetic Induction Tomography System Featuring Parallel Readout 510
Projected Current from One Component of Magnetic Flux Density in MREIT 514
Local harmonic Bz algorithm in MREIT 518
Anisotropic Conductivity Imaging with MREIT Using Equipotential Projection Algorithm 522
Newton Method for Injection Current Nonlinear Encoding(ICNE) in MREIT 526
Current Injection Optimization for Magnetic Resonance-Electrical Impedance Tomography ( MREIT) 530
In vivo determination of electric conductivity and permittivity using a standard MR system 534
In Vivo MREIT Experiment of Canine Brain 538
Equipotential projection based MREIT reconstruction without potential measurements 542
Reconstruction algorithm of Inductive Magnetic Resonance Electrical Impedance Tomography 546
Analysis of ventilatory conditions under different inspiratory oxygen concentrations and positive end- expiratory pressure levels by EIT 550
Determination of local phase changes in lung ventilation by EIT during continuous postural changes 554
Distribution of regional ventilation during restricted chest wall movement determined by EIT 557
Quantification of ventilation by time series EIT data 561
Measurement accuracy in pulmonary function test using electrical impedance tomography 565
Evaluation of the performance of the Multifrequency Electrical Impedance Tomography ( MFEIT) intended for imaging acute stroke 569
Statistical analysis of non-invasive Low Frequency EIT human measurements of euronal activity 574
Diagnostics of dyshormonal mammary gland diseases with multifrequency electrical impedance mammography 578
Chemotherapy Monitoring With EIS: Early Findings 582
Particularities of electrical impedance images in different forms of growth of infiltrative breast cancer. 586
A Compact EIT System for Ventilation Monitoring in COPD Patients 590
Analysis of resting noise characteristics of three EIT systems in order to compare suitability for time difference imaging with scalp electrodes during epilepsy 594
Tidal Volume Monitoring with Electrical Impedance Tomography. Validation for Healthy Subjects 598
Measurement of haemodynamic response during exercise test by impedance cardiography method in patients with coronary artery disease 602
Beat – to- beat variability of stroke volume output velocity measured by an impedance cardiographic method 605
Impedance Cardiography in Cardiac Pacing 608
Possibilities of Foucault Cardiography-Based Estimation of Heart Pumping Performance 612
Signal quality evaluation in Ambulatory Impedance Cardiography 616
Clinical point of view of thoracic electrical biompedance (TEB) in comparison with other non- invasive methods in cardiology 619
Using time interval parameters from impedance cardiography to evaluate autonomic nervous function in Parkinson’s disease 622
Cerebral impedance following hypoxia/ischaemia in the human infant 626
Functional aspects of early postnatal developments of small premature infants’ lungs. 630
Impedance rheography for systemic and pulmonary circulation study and clinical application 634
Arterial system reaction on isometric stress in patients with arterial hypertension depending on the stage of the disease 638
Bioelectrical Impedance Analysis Measures the Ejection Fraction of the Calf Muscle Pump 642
Development of a Biosensor for hCGß Detection 646
Bioimpedance Profiling of Limb Lymphoedema 650
A new ambulatory urodynamics monitoring system of measuring the abdominal pressure using the bio- impedance method 654
Diagnosis of Breast Cancer using Ductal Epithelial Impedance Spectroscopy 658
Non-Invasive Impedance based Continuous Glucose Monitoring System 662
Parameters for monitoring refeeding of anorexia nervosa patients by bioimpedance 666
Changes Of Bile and Urine Electrical Conductivity in Patients with Biliary Tracts’ Pathology 670
Multifrequency Electrical Impedance Myography In Amyotrophic Lateral Sclerosis 673
Frequency Dependence of Forearm Muscle Impedance During Isometric Gripping Contractions 677
Beat-by-beat changes in pre-ejection period during functional tests evaluated by impedance aortography: a step to a left ventricular contractility monitoring 681
Electrical monitoring of myocardium during induced ischemia 685
Measuring Respirational Parameters with a Wearable Bioimpedance Device 689
Intrathoracic Impedance Monitoring in a Novel Model of Acute Pulmonary Edema 693
Motion Discrimination Using Parameters of Bioelectrical Impedance 697
Electrical Impedance Scanning for Breast Cancer Risk Stratification in Young Women 701
Detection of Menstrual Cycle Changes in Breast Ductal Epithelium using Impedance Spectroscopy 705
The use of bioimpedance analysis for the study of dysphagia 709
A Simple Measurement Method of Visceral Fat Accumulation by Bioelectrical Impedance Analysis 713
A new approach of gastric motility measurement and evaluation by bioimpedance 717
Rheoencephalogram Reflects Cerebral Blood Flow Autoregulation In Pigs 721
Procedure for assessment of the mammary gland electrical impedance images. 725
Determination of the root canal length using impedance ratio method 729
Bioimpedance Methods in Urology Functional Diagnostics 733
Electrical impedance of relaxed and contracted skeletal muscle 737
Verification of physical models used for root canal measurement by impedance comparison 741
Changes in the Arm Bioimpedance with Applied Pressure and Force 745
Dielectric qualities of erythrocytes in healthy people of different age groups 749
Utility of the short time bioelectrical impedance for the gastric motility assessment: Preliminary Results 751
Human electrophysiological signal responses to non-continuous and consecutive 5 day ELF PEMF exposure: A pilot study 755
Dielectric qualities of erythrocytes in healthy people and in patients with cardiovascular disease 759
Equipment for real-time bioimpedance diagnostics of the functional state of human organism 761
Electrical Impedance Myography at High Frequencies 765
Variation of Magnetic Induction Plethysmogram on Human Thoracic Surface 769
Electrodermal response – correlation between potential and conductance 773
Influence of a Magnetic Field on Changes in Bio-impedance 777
Application of bioimpedance technique in dialysis patients 781
Estimation of fluid volume changes during haemodialysis with an anisotropic finite element model 785
Local Tissue Bioimpedance Measurement for Fluid Shifts during Haemodialysis 789
In Maintenance Hemodialysis Patients Lean Body Mass can be Evaluated by Bioelectrical Impedance Analysis 793
Body composition measurements in limbs using eight-electrodes bioimpedance 797
A Device for Monitoring Hydration State in Hemodialysis Patients Using a Calf Bioimpedance Technique 801
Different impedance indexes in segmental and whole-body measurements in peritoneal dialysis patients 805
Body Composition And Glomerular Filtration Rate In Chronic Kidney Disease Patients: Males Are Different From Females? 809
Estimation of Arm Muscle Mass in Hemodialysis Patients by Segmental Bioimpedance (SBIS) MRI and 40K Techniques 813
Sensitivity of whole-body bioelectrical impedance to edema in one leg 817
Can bioimpedance spectroscopy (BIS) tell us about the form of lymphoedema? 821
Total body water measurement: using the multifrequency BIS-Hanai approach with 50 kHz single frequency 825
Best published equation for the calculation of Body Fat in a sample of Colombian young males using Bioelectrical Impedance Analysis 829
Bioelectric Impedance Phase Angle and Body Composition in Russian Children Aged 10– 16 Years: Reference Values and Correlations 833
Index Authors 837
Index Subjects 841