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Hydrogels are a fascinating class of polymers which show an immense ability of swelling under the influence of temperature, pH value or concentrations of different species in aqueous solutions. The volume change can amount up to several hundred percent. This unique behaviour is already used in such applications like disposable diapers, contact lenses or drug-delivery systems. The ability to perform mechanical work has been shifted the technical interest more and more towards sensors and actuators exploiting the thermo-chemo-mechano-electrical coupling within hydrogels. The accuracy requirements for such devices are much more demanding than for previous applications. Therefore, a deep knowledge of both the material and the functional properties of hydrogel sensors and actuators is needed. The monograph describes state-of-the-art and recent developments for these materials in sensor and actuator technology.

Colloids -- Electric properties. --- Colloids. --- Engineering. --- Colloids --- Chemical detectors --- Biosensors --- Physicochemical Processes --- Biosensing Techniques --- Hydrogels --- Chemical Processes --- Gels --- Molecular Probe Techniques --- Physicochemical Phenomena --- Investigative Techniques --- Chemical Phenomena --- Phenomena and Processes --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Dosage Forms --- Complex Mixtures --- Pharmaceutical Preparations --- Chemicals and Drugs --- Chemical Engineering --- Mechanical Engineering - General --- Chemical & Materials Engineering --- Mechanical Engineering --- Engineering & Applied Sciences --- Chemical detectors. --- Biosensors. --- Chemical engineering. --- Control engineering. --- Robotics. --- Mechatronics. --- Materials science. --- Control, Robotics, Mechatronics. --- Industrial Chemistry/Chemical Engineering. --- Materials Science, general. --- Biodetectors --- Biological detectors --- Biological sensors --- Biomedical detectors --- Biomedical sensors --- Detectors --- Medical instruments and apparatus --- Physiological apparatus --- Chemical sensors --- Chemical apparatus --- Materials. --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Chemistry, Technical --- Metallurgy --- Materials --- Automation --- Machine theory --- Material science --- Physical sciences --- Mechanical engineering --- Microelectronics --- Microelectromechanical systems --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Programmable controllers