Conferences related to Microelectrodes

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2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

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


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


2020 IEEE International Solid- State Circuits Conference - (ISSCC)

ISSCC is the foremost global forum for solid-state circuits and systems-on-a-chip. The Conference offers 5 days of technical papers and educational events related to integrated circuits, including analog, digital, data converters, memory, RF, communications, imagers, medical and MEMS ICs.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power


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Periodicals related to Microelectrodes

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Biomedical Circuits and Systems, IEEE Transactions on

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 ...


Biomedical Engineering, IEEE Transactions on

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.


Display Technology, Journal of

This publication covers the theory, design, fabrication, manufacturing and application of information displays and aspects of display technology that emphasize the progress in device engineering, device design, materials, electronics, physics and reliabilityaspects of displays and the application of displays.


Education, IEEE Transactions on

Educational methods, technology, and programs; history of technology; impact of evolving research on education.


Electron Device Letters, IEEE

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


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Most published Xplore authors for Microelectrodes

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Xplore Articles related to Microelectrodes

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A fab life

IEEE Spectrum, 2009

Presents a photograph of a clean-room technician holding a polymer film disc that's been embossed with dozens of microchips using Jenoptik's microscale thermoforming process.


Chronic intraneural electrical stimulation for prosthetic sensory feedback

First International IEEE EMBS Conference on Neural Engineering, 2003. Conference Proceedings., 2003

The functionality of prosthetic limbs is restricted by the limited availability of sensory feedback. The goal of the present research is the development of a multichannel microelectrode array for the presentation of sensory information directly to the sensory afferent neurons of the transected peripheral nerve of an amputee. Intraneural electrode arrays were developed and implanted in the proximal stump of ...


An electrochemical microsensor based on molybdophosphate complex for fast determination of total phosphorus in water

The 8th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 2013

This work mainly describes an electrochemical microsensor based on the reduction of molybdophosphate complex for fast determination of total phosphorus (TP) in water. Compared with the traditional methods for phosphate detection reported previously that used bulk electrodes, this microsensor responds faster, and can be applied to TP detection rather than merely phosphate. Calibration of phosphate has been performed with standard ...


A testing procedure at wafer level for micro electrodes using a gel

TRANSDUCERS '03. 12th International Conference on Solid-State Sensors, Actuators and Microsystems. Digest of Technical Papers (Cat. No.03TH8664), 2003

We demonstrate a novel 3-point impedance measurement procedure for microelectrodes. The concept is based on the use of a saline gel and enables relatively fast measurement at wafer level. In this study, measurements were first carried out with a saline gel as electrolyte, and then compared to a reference measurement with a conventional saline solution as electrolyte. The impedance as ...


The effect of Gramicidin on the membrane potential of neurons in the CNS of L. stagnalis

2007 IEEE 33rd Annual Northeast Bioengineering Conference, 2007

Gramicidin is a pore-forming peptide which exhibits lethal properties against a large spectrum of cells. It forms monovalent cation-specific channel in the lipid bilayer of a cellular membrane with limited permeability to anions or polyvalent cations. Both ions and water move through the pore which is formed by the peptide backbone. We detected formation of pores induced by the dimerization ...


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Educational Resources on Microelectrodes

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IEEE.tv Videos

No IEEE.tv Videos are currently tagged "Microelectrodes"

IEEE-USA E-Books

  • A fab life

    Presents a photograph of a clean-room technician holding a polymer film disc that's been embossed with dozens of microchips using Jenoptik's microscale thermoforming process.

  • Chronic intraneural electrical stimulation for prosthetic sensory feedback

    The functionality of prosthetic limbs is restricted by the limited availability of sensory feedback. The goal of the present research is the development of a multichannel microelectrode array for the presentation of sensory information directly to the sensory afferent neurons of the transected peripheral nerve of an amputee. Intraneural electrode arrays were developed and implanted in the proximal stump of the transected sciatic nerve in 18 New Zealand White rabbits and monitored for chronic functionality. Several novel nerve regeneration implant designs employing axially oriented Platinum/Iridium wire arrays and regeneration tubes were explored. Somatosensory evoked potentials were monitored via chronically implanted epidural electrodes. A behavioral technique was used to monitor stimulus perception; an electrical stimulus was delivered to the implanted nerve followed by an airpuff to the eye with monitoring of the resultant eye-blink reflex. In this classical conditioning technique, the rabbits associate the two stimuli such that electrical stimulation of the sciatic nerve without an airpuff elicits an eye- blink. Neurophysiological and behavioral tests have demonstrated chronic single channel electrode functionality for greater than 2 years in implanted animals. This research supports the possible viability of an implanted neuroelectric interface in providing chronic sensory feedback in humans.

  • An electrochemical microsensor based on molybdophosphate complex for fast determination of total phosphorus in water

    This work mainly describes an electrochemical microsensor based on the reduction of molybdophosphate complex for fast determination of total phosphorus (TP) in water. Compared with the traditional methods for phosphate detection reported previously that used bulk electrodes, this microsensor responds faster, and can be applied to TP detection rather than merely phosphate. Calibration of phosphate has been performed with standard solutions prepared with KH2PO4with pH adjusted to 1.0. The limit of detection (LOD) is 0.66 μmol/L, and linear range is 1~500 μmol/L. The sensitivity is -0.657 nA per μmol/L (R2=0.994). Detection of TP was also carried out in digested TP standard solutions, and the results were consistent with the nominal value of phosphorus concentration.

  • A testing procedure at wafer level for micro electrodes using a gel

    We demonstrate a novel 3-point impedance measurement procedure for microelectrodes. The concept is based on the use of a saline gel and enables relatively fast measurement at wafer level. In this study, measurements were first carried out with a saline gel as electrolyte, and then compared to a reference measurement with a conventional saline solution as electrolyte. The impedance as function of frequency was investigated for two different electrode sizes, and showed good agreement between both electrolytes. The testing procedure described in this paper can be applied to e.g. biomedical microsystems that must interact with a wet environment.

  • The effect of Gramicidin on the membrane potential of neurons in the CNS of L. stagnalis

    Gramicidin is a pore-forming peptide which exhibits lethal properties against a large spectrum of cells. It forms monovalent cation-specific channel in the lipid bilayer of a cellular membrane with limited permeability to anions or polyvalent cations. Both ions and water move through the pore which is formed by the peptide backbone. We detected formation of pores induced by the dimerization of gramicidin molecules by monitoring changes in the membrane and action potentials of neurons in the central nervous system of Lymnaea stagnalis. This methodology could be used for the study of peptide interactions with neuronal cellular membranes.

  • Micro and nanoelectrode voltammetric measurements

    Cyclic voltammetry (CV) and square-wave voltammetry (SWV) measurements were effectuated in order to calibrate the micro and nanoelectrode arrays for pollution control. By both anodic stripping voltammetry and cyclic voltammetry, heavy metals, like Cd/sup 2+/ and Pb/sup 2+/, in 0.1 M hydrochloric acid as supporting electrolyte were determined, and the ferric ions, Fe/sup 3+/, in 0.1 M hydrochloric acid as supporting electrolyte were determined by cyclic voltammetry. The nanoelectrode arrays were more sensitive than the microelectrode ones. A good linearity of the calibration curves were obtained in both micro and nano-array test structures used as working electrodes.

  • Mechanical and electrical evaluation for the long-term stability of implanted 3D retinal microelectrode

    In this paper, the mechanical and electrical characteristics of 3D microelectrode are presented to provide the long-term stability of the implanted microelectrode. As the dimensions of the microelectrode become smaller, the microelectrode can be easily damaged by mechanical pressure and over-injected electric charge. In order to avoid these destructions, allowable mechanical and electrical stress should be determined. Experiments for durability evaluation are set up and performed to measure the mechanical force and safe charge injection limit. The result of the experiments shows that the allowable mechanical force in vertical and horizontal direction is 0.8165 N and 0.2068 N, respectively. In the charge injection test, it is observed that the density of injected charge is a prior factor in microelectrode dissolution rather than the total amount of injected charge.

  • Stripping Voltammetry as a Possible Primary Method for Amount of Substance

    Stripping voltammetry analysis using a hemispheroidal mercury microelectrode is assessed as a possible candidate "primary method" for amount of substance measurement. It has been shown that this measurement methodology can be described completely by a set of measurement equations. Novel proposals are made to improve the accuracy and traceability of the quantification process by measuring the limiting deposition current over an optimum time instead of employing an analyte stripping step. The range of application and the limitations of the technique are discussed, and the requirement for underpinning traceability from electrical standards is shown. It is concluded that the lack of amount-independent diffusion coefficient data limits the status of the technique to a high-accuracy "definitive method" at present

  • Time dependent entropy analysis of multiunit activity in the cortex following the hypoxic-ischemic brain injury

    Previous study has shown that the scalp electrical activity (e.g. EEG) could provide information on hypoxic-ischemic (HI) brain injury. The time dependent entropy (TDE) of EEG was applied as a means to segment the injury and recovery phases. A reduction in entropy during the injury was explained as the result of the spiking or bursting activity during the recovery of HI injury. The aim of this study is to investigate the spiking activity in the cortex during (HI) brain injury. The multiunit activity recorded from the cortex (CTX MUA) is analyzed with TDE methods. The spike sensitive TDE tracks the electric activity at the cellular level. The CTX MUA has high TDE value after the HI injury, which gradually returns to the baseline level as the brain recovers. This is the first report of cellular electrical response to global ischemic injury.

  • A high performance electroporation chip integrating multi-well plate and annular interdigital microelectrodes

    Electroporation, in which electric pulses are applied to create transient pores in the cell membrane, is widely used to introduce biologically active molecules into cells. Here we report a novel electroporation chip with great performance and good compatibility with the standard multi-well plate used in biological research. We demonstrated a prototype chip integrating with a 12-well plate and successfully electroporated both adherent and supernatant cells. Using the standard expression cell line HEK-293 and expression vector pEGFP-C3, we realized excellent cell viability (80%) and transfection rate (90%), both much higher than those in previously reported methods.



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