224 resources related to Chemical transducers
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The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE
ISIE focuses on advancements in knowledge, new methods, and technologies relevant to industrial electronics, along with their applications and future developments.
The PCIC provides an international forum for the exchange of electrical applications technology related to the petroleum and chemical industry. The PCIC annual conference is rotated across North American locations of industry strength to attract national and international participation. User, manufacturer, consultant, and contractor participation is encouraged to strengthen the conference technical base. Success of the PCIC is built upon high quality papers, individual recognition, valued standards activities, mentoring, tutorials, networking and conference sites that appeal to all.
The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.
2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)
Ferroelectric materials and applications
The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
IEEE Design & Test of Computers offers original works describing the methods used to design and test electronic product hardware and supportive software. The magazine focuses on current and near-future practice, and includes tutorials, how-to articles, and real-world case studies. Topics include IC/module design, low-power design, electronic design automation, design/test verification, practical technology, and standards. IEEE Design & Test of ...
Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.
Measurements and instrumentation utilizing electrical and electronic techniques.
IEE Colloquium on Electrochemical Measurement, 1994
IEEE Proceedings of the SOUTHEASTCON '91, 1991
Experimental data indicate that the Na ion taste receptor is a Na selective membrane ion channel. This channel appears to have passive properties (it is not voltage-gated). Sodium ions stimulate receptor cells by entering them directly down a favorable electrochemical potential gradient and thereby depolarizing the cells. This presumably leads to the release of neurotransmitter, thereby causing excitation of the ...
2002 Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, 2002
Summary form only given. Laser light is injected into whispering-gallery modes (WGMs) of a fused-silica microsphere using a tapered-fiber coupler. As the laser frequency scans through a WGM resonance, the fiber output shows a resonance dip because of the intrinsic loss of the WGM. The high Q of a WGM makes the dip sharp; the depth of the dip is ...
2006 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 2006
Microfabricated cantilevers have recently become increasingly popular as transducers in chemical and biological sensors. Here, an evaluation of laboratory prototype that is microcantilever-based optical detection is demonstrated. Surface stress changes when molecules adsorb on cantilevers surface, which offers an attractive way to chemical and biological detection by measuring the bending of cantilevers. In this work, different figures of cantilevers were ...
IEE Colloquium on Optical Techniques for Environmental Monitoring, 1995
We report the design, fabrication and performance of gold coated waveguide surface plasmon resonance biosensors for the detection of the pesticide simazine in aqueous solution. The operation of the sensor was verified against the biotin-avidin biochemical model. The output power of the sensor showed a decrease of 32% on binding a dual layer of biotin-avidin. Calibration of the sensor against ...
Engineering the Future - Frances Arnold, Ph.D.
Microstructure-Property Correlations in Superconducting Wires - Applied Superconductivity Conference 2018
2013 IEEE Corporate Innovation Award
M. George Craford accepts the IEEE Edison Medal - Honors Ceremony 2017
IEEE Magnetics Distinguished Lecture - Alison B. Flatau
Microfluidic diagnostics and other breakthrough technologies.
The Emerging Field of Biomedical Engineering
Spin Dynamics in Inhomogeneously Magnetized Systems - Teruo Ono: IEEE Magnetics Society Distinguished Lecture 2016
Q&A with Kip Ludwig: IEEE Brain Podcast, Episode 7
Engineering Our Future - Q and A with Panel
Larson Collection interview with Melvin Calvin
Single Crystal AlGaN Bulk Acoustic Wave Resonators on Silicon Substrates with High Electromechanical Coupling: RFIC Industry Showcase
Nanotechnology For Electrical Engineers
IEEE Magnetics 2014 Distinguished Lectures - Tim St Pierre
Larson Collection interview with William Alfred Fowler
GHTC 2012 - Krista Bauer Keynote
Larson Collection interview with Linus Pauling, part 2
Larson Collection interview with Linus Pauling, part 1
Life Sciences: Surface Enhanced Raman Spectroscopy, and more
Experimental data indicate that the Na ion taste receptor is a Na selective membrane ion channel. This channel appears to have passive properties (it is not voltage-gated). Sodium ions stimulate receptor cells by entering them directly down a favorable electrochemical potential gradient and thereby depolarizing the cells. This presumably leads to the release of neurotransmitter, thereby causing excitation of the taste nerves. This process may require the intervention of voltage-gated Na channels that may depolarize the cells sufficiently to activate Ca channels necessary for Ca entry into the cells prior to the release of neurotransmitter. Anions may either augment or impede the movement of Na, depending on their paracellular permeabilities. The electrical potential across the taste buds, controlled in part by anion permeability across the tight junctions, may be one of the regulatory factors in the release of neurotransmitter.<<ETX>>
Summary form only given. Laser light is injected into whispering-gallery modes (WGMs) of a fused-silica microsphere using a tapered-fiber coupler. As the laser frequency scans through a WGM resonance, the fiber output shows a resonance dip because of the intrinsic loss of the WGM. The high Q of a WGM makes the dip sharp; the depth of the dip is sensitive to a change in the intrinsic loss. Such a change is provided by interaction of the evanescent part of the mode with an absorber surrounding the microsphere, and thereby intracavity absorption sensing is accomplished.
Microfabricated cantilevers have recently become increasingly popular as transducers in chemical and biological sensors. Here, an evaluation of laboratory prototype that is microcantilever-based optical detection is demonstrated. Surface stress changes when molecules adsorb on cantilevers surface, which offers an attractive way to chemical and biological detection by measuring the bending of cantilevers. In this work, different figures of cantilevers were fabricated. Preliminary evaluation of these microfabricated cantilevers was performed by comparing the intensity of reflecting light on the end surfaces of different cantilever figures and the stability of different cantilever figures in liquid. The result demonstrated that triangle cantilever with paddle acting as a flat mirror has better performance of light reflecting and stability in liquid. Then, cantilevers-based sensors were used to detect the conformational changes in PNIPAM molecules with temperature changing
We report the design, fabrication and performance of gold coated waveguide surface plasmon resonance biosensors for the detection of the pesticide simazine in aqueous solution. The operation of the sensor was verified against the biotin-avidin biochemical model. The output power of the sensor showed a decrease of 32% on binding a dual layer of biotin-avidin. Calibration of the sensor against standard simazine solutions using a competitive test format was performed and the system was determined to have a detection limit of 0.22 /spl mu/g/l.
"Summary form only given". Vision and hearing, smell and taste, and the tactile senses are bridges between the external world and our brain. Micro and nano sensors are miniaturized electronic devices which pick up physical, chemical, or biomedical signals and enter them into the computer. The miniaturization of most kinds of sensors has been achieved, but the "electronic nose" able to detect a broad range of "smells" caused by complex mixtures of airborne chemical compounds is still a dream. But application specific gas sensors or "narrow band noses" are being developed, which can detect and identify gas mixtures in given application areas, such as air conditioning, dry cleaning, oil refineries, or food production. Integrated gas sensors based on CMOS IC technology with on-chip micro structures (CMOS MEMS) coated with gas absorbing polymers or metal oxides are presented. The quest of sensor selectivity is tackled by combining various polymers with different transducer principles (mass sensitive, capacitive, calorimetric). The combination of different types of transducers on a single CMOS MEMS chip with dedicated circuitry, and the assembly of several such chips, each with different chemically sensitive polymer layer, in a handheld "snooping instrument" are discussed. An outlook will address the combination of CMOS MEMS with bio materials and living cells.
Construction of a brain-machine interface system for neuroprosthetic purposes is at the forefront of many current neural engineering thrusts. Due to recent breakthroughs in device technology and implantation techniques, a basic framework is now sufficiently developed to allow design of systems level interface strategies producing robust, scalable BMIs that adapt quickly to optimize information transfer at the interface. It is useful to develop brain- machine interface systems in a modular fashion, enabling individual component research and development. This study investigates cortical microstimulation as a mode of operation for a sensory encoding component of a brain-machine interface system. It has previously been shown that cortical stimulation of sensory cortical areas produces sensations. In this report we compare behavior induced by either natural auditory cues, or cortical microstimulation of the primary auditory cortex. Five rats were implanted with multi-channel microwire arrays in auditory cortex and required to discriminate cortical microstimulation separated by 1.75 mm. The behavior was compared to auditory discrimination of tones separated by four octaves. The microstimulation resulted in 17% faster response times across the five rats.
The selection and preprocessing of features are crucial to the success of a classifier for pattern recognition applications. The preprocessing often involves filters, transformations and non-linear processing of the raw data. Since the training data required is an exponential function of the number of features, a reduction or transformation of the features is essential. While it is frequently possible to heuristically select reasonable values pertaining to the selection of these parameters, an automated approach could be of great value in different application areas. Various factors relating to the optimization process are described and the results of continuous wavelet based optimization on seismic buffer recognition are described.
In this talk, we report initial studies of p-type oligomer OFETs, with hydroxyl and phenol functionalized semiconductor blends serving as receptor layers, responding to the weakly basic analyte dimethyl methylphosphonate (DMMP) that simulates phosphonate nerve agents. The hydroxyl group is the simplest receptor that could be utilized for enhancing this interaction. At least one blend appears to be single-phase based on x-ray diffraction and electron microscopy.
No standards are currently tagged "Chemical transducers"