Contains the papers of the Second International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2009), held in Porto, Portugal, in January 2009. This title focuses on the aspects related to electronics and mechanical engineering.

Invited Papers.- Computational Intelligence and Image Processing Methods for Applications in Skin Cancer Diagnosis.- Affective Man-Machine Interface: Unveiling Human Emotions through Biosignals.- I: BIODEVICES.- On-Chip Biosensors Based on Microwave Detection for Cell Scale Investigations.- Improvements of a Brain-Computer Interface Applied to a Robotic Wheelchair.- Wavelet-Based and Morphological Analysis of the Global Flash Multifocal ERG for Open Angle Glaucoma Characterization.- Biotin-Streptavidin Sensitive BioFETs and Their Properties.- Improving Patient Safety with X-Ray and Anesthesia Machine Ventilator Synchronization: A Medical Device Interoperability Case Study.- A Ceramic Microfluidic Device for Monitoring Complex Biochemical Reactive Systems.- Knee Angle Estimation Algorithm for Myoelectric Control of Active Transfemoral Prostheses.- Micro Droplet Transfer between Superhydrophobic Surfaces via a High Adhesive Superhydrophobic Surface.- II: BIOSIGNALS.- Study on Biodegradation Process of Polyethylene Glycol with Exponential Glowth of Microbial Population.- Variable Down-Selection for Brain-Computer Interfaces.- Effect of a Simulated Analogue Telephone Channel on the Performance of a Remote Automatic System for the Detection of Pathologies in Voice: Impact of Linear Distortions on Cepstrum-Based Assessment - Band Limitation, Frequency Response and Additive Noise.- A Biologically-Inspired Visual Saliency Model to Test Different Strategies of Saccade Programming.- Transition Detection for Brain Computer Interface Classification.- Tuning Iris Recognition for Noisy Images.- Three-Dimensional Reconstruction of Macroscopic Features in Biological Materials.- Wavelet Transform Analysis of the Power Spectrum of Centre of Pressure Signals to Detect the Critical PointInterval of Postural Control.- Early Detection of Severe Apnoea through Voice Analysis and Automatic Speaker Recognition Techniques.- Automatic Detection of Atrial Fibrillation for Mobile Devices.- Speaker-Adaptive Speech Recognition Based on Surface Electromyography.- Towards the Development of a Thyroid Ultrasound Biometric Scheme Based on Tissue Echo-morphological Features.- III: HEALTHINF.- Collecting, Analyzing, and Publishing Massive Data about the Hypertrophic Cardiomyopathy.- BredeQuery: Coordinate-Based Meta-analytic Search of Neuroscientific Literature from the SPM Environment.- Simulation of ECG Repolarization Phase with Improved Model of Cell Action Potentials.- Advances in Computer-Based Autoantibodies Analysis.- Support Vector Machine Diagnosis of Acute Abdominal Pain.- Near Field Communication and Health: Turning a Mobile Phone into an Interactive Multipurpose Assistant in Healthcare Scenarios.- Electronic Health Records: An Enhanced Security Paradigm to Preserve Patient’s Privacy.- Augmented Feedback System to Support Physical Therapy of Non-specific Low Back Pain.- Multi-analytical Approaches Informing the Risk of Sepsis.