نتایج جستجو برای: biological sensors
تعداد نتایج: 553361 فیلتر نتایج به سال:
This paper reviews the application and operation of integrated sensors and actuators in biological and physiological environments. Integrated transducers are widely employed for invasive and non-invasive patient monitoring, for recording and understanding biological events and systems, for delivery of chemicals and electrical stimuli into the body, and as a means for eventual realization of clo...
Planar waveguides have evanescent fields sensitive to index of refraction changes in the volume immediately above the waveguide surface. Optically combining one guided sensing beam with a reference beam in an interferometric configuration generates measurable signals. Applying a chemically selective film over the sensing arm of the interferometer provides the basis for a chemical sensor. Tailor...
Fluorescence is one of the most important analytical methods used in biological studies. In the past decade or two, instrumentation in this field has greatly advanced, and now it is possible to detect single photons or fluorescent molecules [1,2], or break the Abbe diffraction limit to distinguish two points spaced less than 50 nm apart [3]. Concurrently, the development of improved fluorescent...
Several hybrid sensing materials, which are organized by interaction of organic molecules onto inorganic supports, have been developed as a novel and hopeful class of hybrid sensing probes. The hybrid silica-magnetic based sensors provide perfect properties for production of various devices in sensing technology. The hybridization of silica and magnetic NPs as biocompatible, biodegradable and s...
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