Materials and Technologies -- Metal Oxide Nanocomposites: Synthesis and Characterization in Relation with Gas Sensing Phenomena -- Spectroscopic Study of the Gas Detection Mechanism by Semiconductor Chemical Sensors -- Material Growth and Fundamental Material Characterization Techniques -- Mesoporous Indium Oxide for Gas Sensor Applications -- Synthesis and Examination of Hexagonal Tungsten Oxide Nanocrystals for Electrochromic and Sensing Applications -- Tin Oxide from Organo-Metallic Compounds: Material'S Properties and Sensor Characteristics -- Defect Chemistry of Sensor Materials -- Light-Induced Generation of Singlet Oxygen in Porous Silicon -- Selectivity Improvement of Semiconductor Gas Sensors by Filters -- Systems and Set-ups for Effective Sensing Response Applications -- Carbon Composite Electrodes Applied for Electrochemical Sensors -- Photonic Sensors for Health and Environmental Monitoring -- Sensors Based on Technology "Nano-on-Micro" for Wireless Instruments Preventing Ecological and Industrial Catastrophes -- Development of a Parallel-Computing Embedded Telemetry System for Voltammetric Microsensor and Biosensor Applications -- Inductively Coupled Telemetry -- Applications to Environment, Health and Security -- Biosensors -- Bacteria Detection - Biosensors -- Surface Chemistry to Bridge Inorganic Biosensor Surfaces and Biological Materials -- Singlet Oxygen Generation and Detection for Biomedical Applications -- Response of Nerve Cell to Inhibitor Recorded by Aluminium-Gallium-Nitride FET -- Microelectronics-Based Biosensors for the Detection of Proteins and Nucleic Acids -- Bionano-Microbiology -- Optical Sensors for Carbon Dioxide and Their Applications -- Oxygen Indicators in Food Packaging -- Sensory Conversion Devices -- Development of Biological Sensors Based on Screen-Printed Electrodes for Environmental Pollution Monitoring -- Development of Flow Immunosensors for Organic Pollutants -- Sensors for Monitoring Air Quality in Earth and Space Environments -- Determination of the Mutagenic Effects of Pollution by AMES and Neural Networks -- Polyaniline-Based Environmental Gas Sensors -- Sensor Science for National Security -- Radiation and Nuclear Materials Detection Research and Development at ORNL.