Relevant bibliographies by topics / Biphasic stimulation

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Academic literature on the topic 'Biphasic stimulation'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Biphasic stimulation"

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Walsh, Paul L., Jelena Petrovic, and R. Mark Wightman. "Distinguishing splanchnic nerve and chromaffin cell stimulation in mouse adrenal slices with fast-scan cyclic voltammetry." American Journal of Physiology-Cell Physiology 300, no. 1 (January 2011): C49—C57. http://dx.doi.org/10.1152/ajpcell.00332.2010.

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Electrical stimulation is an indispensible tool in studying electrically excitable tissues in neurobiology and neuroendocrinology. In this work, the consequences of high-intensity electrical stimulation on the release of catecholamines from adrenal gland slices were examined with fast-scan cyclic voltammetry at carbon fiber microelectrodes. A biphasic signal, consisting of a fast and slow phase, was observed when electrical stimulations typically used in tissue slices (10 Hz, 350 μA biphasic, 2.0 ms/phase pulse width) were applied to bipolar tungsten-stimulating electrodes. This signal was fou
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Hwang, Hyeoncheol, Kyu-Chang Wang, Moon Suk Bang, Hyung-Ik Shin, Seung-Ki Kim, Ji Hoon Phi, Ji Yeoun Lee, Jinwoo Choi, Seungwoo Cha, and Keewon Kim. "Optimal stimulation parameters for intraoperative bulbocavernosus reflex in infants." Journal of Neurosurgery: Pediatrics 20, no. 5 (November 2017): 464–70. http://dx.doi.org/10.3171/2017.6.peds16664.

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OBJECTIVEThe aim of this study was to establish optimal electric stimulation parameters for intraoperatively monitoring the bulbocavernosus reflexes (BCRs) in infants.METHODSThe authors retrospectively reviewed the medical records of all infants (age < 24 months) who had undergone an untethering operation for tethered cord syndrome between May 2013 and February 2014 at a single institution and whose baseline BCR had been elicited during surgery. Using different combinations of stimulation parameters—number of stimulation pulses: 4 or 8 pulses, interpulse interval: 1, 2, or 5 msec, and polar
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Ward, Tyler, Neil Grabham, Chris Freeman, Yang Wei, Ann-Marie Hughes, Conor Power, John Tudor, and Kai Yang. "Multichannel Biphasic Muscle Stimulation System for Post Stroke Rehabilitation." Electronics 9, no. 7 (July 17, 2020): 1156. http://dx.doi.org/10.3390/electronics9071156.

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We present biphasic stimulator electronics developed for a wearable functional electrical stimulation system. The reported stimulator electronics consist of a twenty four channel biphasic stimulator. The stimulator circuitry is physically smaller per channel and offers a greater degree of control over stimulation parameters than existing functional electrical stimulator systems. The design achieves this by using, off the shelf multichannel high voltage switch integrated circuits combined with discrete current limiting and dc blocking circuitry for the frontend, and field programmable gate arra
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Lee, Chae-Eun, Younginha Jung, and Yoon-Kyu Song. "8-Channel Biphasic Current Stimulator Optimized for Retinal Prostheses." Journal of Nanoscience and Nanotechnology 21, no. 8 (August 1, 2021): 4298–302. http://dx.doi.org/10.1166/jnn.2021.19405.

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Retinal prostheses substitute the functionality of damaged photoreceptors by electrically stimulating retinal ganglion cells (RGCs). RGCs, densely packed in a small region, needs a high spatial resolution of the microelectrode, which in turn raises its impedance. Therefore, the high output impedance circuit and the high compliance output voltage are the key characteristics of the current-source-based stimulator. Also, as the system is intended to implant in the retina, the stimulation parameter should be optimized for efficiency and safety. Here we designed 8-channel neural stimulator customiz
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Nilsson, Jan, John Ravits, and Mark Hallett. "Stimulus artifact compensation using biphasic stimulation." Muscle & Nerve 11, no. 6 (June 1988): 597–602. http://dx.doi.org/10.1002/mus.880110612.

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Arfin, Scott K., Michael A. Long, Michale S. Fee, and Rahul Sarpeshkar. "Wireless Neural Stimulation in Freely Behaving Small Animals." Journal of Neurophysiology 102, no. 1 (July 2009): 598–605. http://dx.doi.org/10.1152/jn.00017.2009.

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We introduce a novel wireless, low-power neural stimulation system for use in freely behaving animals. The system consists of an external transmitter and a miniature, implantable wireless receiver–stimulator. The implant uses a custom integrated chip to deliver biphasic current pulses to four addressable bipolar electrodes at 32 selectable current levels (10 μA to 1 mA). To achieve maximal battery life, the chip enters a sleep mode when not needed and can be awakened remotely when required. To test our device, we implanted bipolar stimulating electrodes into the songbird motor nucleus HVC (for
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Aiello, Orazio. "On the DC Offset Current Generated during Biphasic Stimulation: Experimental Study." Electronics 9, no. 8 (July 25, 2020): 1198. http://dx.doi.org/10.3390/electronics9081198.

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This paper deals with the DC offset currents generated by a platinum electrode matrix during biphasic stimulation. A fully automated test bench evaluates the nanoampere range DC offset currents in a realistic and comprehensive scenario by using platinum electrodes in a saline solution as a load for the stimulator. Measurements are performed on different stimulation patterns for single or dual hexagonal stimulation sites operating simultaneously and alternately. The effectiveness of the return electrode presence in reducing the DC offset current is considered. Experimental results show how for
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Kolbl, Florian, Yannick Bornat, Jonathan Castelli, Louis Regnacq, Gilles N’Kaoua, Sylvie Renaud, and Noëlle Lewis. "IC-Based Neuro-Stimulation Environment for Arbitrary Waveform Generation." Electronics 10, no. 15 (August 3, 2021): 1867. http://dx.doi.org/10.3390/electronics10151867.

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Electrical stimulation of the nervous system is commonly based on biphasic stimulation waveforms, which limits its relevance for some applications, such as selective stimulation. We propose in this paper a stimulator capable of delivering arbitrary waveforms to electrodes, and suitable for non-conventional stimulation strategies. Such a system enables in vivo stimulation protocols with optimized efficacy or energy efficiency. The designed system comprises a High Voltage CMOS ASIC generating a configurable stimulating current, driven by a digital circuitry implemented on a FPGA. After fabricati
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Woods, A. J., and M. J. Stock. "Biphasic brown fat temperature responses to hypothalamic stimulation in rats." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 266, no. 2 (February 1, 1994): R328—R337. http://dx.doi.org/10.1152/ajpregu.1994.266.2.r328.

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Low-level electrical stimulation (monophasic square-wave pulses: 15 Hz, 7.0 microA, 0.5 ms) of the ventromedial hypothalamus (VMH) in anesthetized rats produced a decrease (phase 1) in interscapular brown adipose tissue (IBAT) temperature that was sustained for as long as the stimulus was applied (2-45 min). A rise in IBAT temperature (phase 2) occurred only after the stimulation had stopped. VMH stimulations ipsilateral and contralateral to a lateral hypothalamic (LH) lesion indicated that the phase 1 response required an intact LH, and denervation of IBAT showed that both phases required an
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Field-Fote, Edelle C., Brent Anderson, Valma J. Robertson, and Neil I. Spielholz. "Monophasic and biphasic stimulation evoke different responses." Muscle & Nerve 28, no. 2 (July 14, 2003): 239–41. http://dx.doi.org/10.1002/mus.10414.

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Dissertations / Theses on the topic "Biphasic stimulation"

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Howe, Daniel Steven. "A WIRELESS ELECTRICAL STIMULATION SYSTEMFOR WOUND HEALING THERAPYWITH BIPHASIC HIGH-VOLTAGE PULSED CURRENT OUTPUT." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1365179992.

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Petersson, Marcus. "Computational Modeling of Deep Brain Stimulation." Thesis, Linköping University, Department of Biomedical Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-9512.

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<p>Deep brain stimulation (DBS) is a surgical treatment technique, which involves application of electrical pulses via electrodes inserted into the brain. Neurons, typically located in the basal ganglia network, are stimulated by the electrical field. DBS is currently widely used for symptomatically treating Parkinson’s disease patients and could potentially be used for a number of neurological diseases. In this study, computational modeling was used to simulate the electrical activity of neurons being affected by the electrical field, to gain better understanding of the mechanisms of DBS. The
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Ly, Mai Thanh Graduate School of Biomedical Engineering Faculty of Engineering UNSW. "Electrical stimulation of cells involved in wound healing." Publisher:University of New South Wales. Graduate School of Biomedical Engineering, 2008. http://handle.unsw.edu.au/1959.4/41523.

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Problem investigated: Chronic wounds are not only a major burden to the patient arising from general pain and discomfort but also generate economic costs to both these individuals and the health care system. Various electrical stimulation regimes have been employed to study the effects of electrical stimulation on wound healing both in vivo and in vitro. In was hypothesised that electrical stimulation using various waveforms can modulate cell function, particularly cell migration. The aim of this thesis was to study the effects of electrical stimulation on cellular migration, in particular
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Hyde, Molly. "The Combined and Differential Effects of Monophasic and Biphasic Repetitive Transcranial Magnetic Stimulation on ERP-Indexed Attentional Processing in Treatment-Resistant Depression." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39932.

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In addition to low mood, major depressive disorder (MDD) is characterized by persistent cognitive deficits that impair daily functioning and resist improvement with conventional pharmacotherapies. Repetitive transcranial magnetic stimulation (rTMS) holds promise as an efficacious alternative, offering better outcomes than medication for patients with treatment-resistant depression (TRD). Yet, current rTMS protocols that administer sinusoidal biphasic pulses achieve remission in less than the majority. However, monophasic pulses may yield higher success rates based on greater cortical excitatio
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Yao, Tien Sing, and 姚天行. "Neurotic biphasic stimulation driver." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/77703033399425110847.

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Li, Jin-Wei, and 李晉緯. "An Adjustable Biphasic Pulse Electrical stimulation chip." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/wwc6yt.

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碩士<br>國立雲林科技大學<br>電子工程系<br>102<br>This study considered the specifications of electrical stimulation output current and thus used TSMC 0.25-um HV mixed signal Based BCD process to integrate a system and components used in traditional electrical stimulator into one chip. The architecture of this electrical stimulation chip contained an 8-bit digital-to-analog converter and a high-voltage driver circuit. Considering the differential nonlinearity (DNL) as well as the glitch and avoiding unnecessary waste of area, to achieve high-linearity current output, the 8-bit digital-to-analog converter was
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Chen, Gui-Rong, and 陳桂榕. "A 50mA Biphasic Pulse Stimulation Chip Using High-Voltage Process." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/41567221845096622959.

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碩士<br>國立雲林科技大學<br>電子與光電工程研究所碩士班<br>101<br>This study used TSMC 0.25-um HV mixed signal Based BCD 2.5/5/7/12/20/24/40/45/60V process to implement the Biphasic Pulse Stimulation Chip ,which aimed to reduce the large volume caused by the high-power components of booster circuit in traditional electric stimulator. In this electrical stimulator architecture, a suitable structure was planed to solve the problem with power consumption and area consumption caused by high-voltage transistors. The structure contained 8-bit high-voltage digital-to-analog converter to control any intensity of output curre
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Lu, Yi-Ching, and 盧怡晴. "A Biphasic Current Mode Functional Electrical Stimulator with A Class-AB Charge Compensation Mechanism for Deep Brain Stimulation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/4hbg44.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>107<br>A current mode functional electrical stimulator(FES) with class-AB charge compensation mechanism is proposed. In the two-channel FES, a six-bit current DAC is equipped to provide the stimulation current, and the current intensity can be adjusted from 50 uA to 3 mA for animal experiments and human body use. In addition, the safety issue of the electric stimulator is also considered. Therefore, the biphasic current mode is applied to suppress the epileptic effect first by a cathodic current, and then an anodic current of the same intensity is performed for the f
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"Gamma Band Oscillation Response to Somatosensory Feedback Stimulation Schemes Constructed on Basis of Biphasic Neural Touch Representation." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.45529.

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abstract: Prosthetic users abandon devices due to difficulties performing tasks without proper graded or interpretable feedback. The inability to adequately detect and correct error of the device leads to failure and frustration. In advanced prostheses, peripheral nerve stimulation can be used to deliver sensations, but standard schemes used in sensorized prosthetic systems induce percepts inconsistent with natural sensations, providing limited benefit. Recent uses of time varying stimulation strategies appear to produce more practical sensations, but without a clear path to pursue improvemen
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Lai, Chia-Lin, and 賴佳琳. "Interaction between Peripheral Blood Monocytes (PBM) and Lymphocytes (PBLs) of Healthy Porcine Circovirus TypeⅡ (PCV2)-Carrier Pigs Following Monophasic or Biphasic Stimulation." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/45755478966075571077.

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碩士<br>國立臺灣大學<br>獸醫學研究所<br>95<br>Porcine circovirus type Ⅱ (PCV2) infection has been demonstrated to be an essential factor in the induction of the newly emerged disease, postweaning multisystemic wasting syndrome (PMWS), in pigs. PCV2 antibodies have been found in pigs worldwidely, usually with high seroprevalence. Although monocyte/macrophage lineage cells are considered as the major target cells, the role of lymphocytes on the disease development is still uncertain. Immune activation and co-factors such as bacteria or viruses have been suggested to be important factors in the induction of PM
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Books on the topic "Biphasic stimulation"

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Epstein, Charles M. Electromagnetism. Edited by Charles M. Epstein, Eric M. Wassermann, and Ulf Ziemann. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780198568926.013.0001.

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This article elucidates on the concept of electromagnetism and electromagnetic induction with a view to explaining the theory of magnetic stimulation, used to cure diseases in human beings. Magnetic stimulation follows the principles of electromagnetism. A changing primary current induces secondary currents, which are called eddy currents, in the nearby conductors (human tissue in this case). The strength of the electric field is measured by its electromotive force (emf), which in turn, is measured in volts. The changing primary current also gives rise to an induced voltage in the primary loop
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Sommer, Martin, and Walter Paulus. TMS waveform and current direction. Edited by Charles M. Epstein, Eric M. Wassermann, and Ulf Ziemann. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780198568926.013.0002.

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This article introduces the difference between biphasic and monophasic transcranial magnetic stimulation (TMS). Waveform and current direction determine the effectiveness of TMS in humans. The alternating use of mono and biphasic pulses as conditioning or test pulse has so far not been possible. Since pulses of different waveform or orientation cannot be applied through the same coil at an interval in the millisecond range, using two different coils could be a feasible approach. This article brings in the concept of repetitive TMS (rTMS). Although clinical relevance is lacking, there is plenty
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Book chapters on the topic "Biphasic stimulation"

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Nogueira, R. R., D. C. Souza, J. C. Palma, G. N. Nogueira-Neto, and P. Nohama. "The Output Circuit of a Biphasic Constant Current Electrical Stimulator." In VII Latin American Congress on Biomedical Engineering CLAIB 2016, Bucaramanga, Santander, Colombia, October 26th -28th, 2016, 621–25. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4086-3_156.

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Rao, V. Bhujanga, P. Seetharamaiah, and Nukapeyi Sharmili. "Design of a Prototype for Vision Prosthesis." In Research Anthology on Emerging Technologies and Ethical Implications in Human Enhancement, 492–505. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8050-9.ch025.

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This article describes how the field of vision prostheses is currently being developed around the world to restore useful vision for people suffering from retinal degenerative diseases. The vision prosthesis system (VPS) maps visual images to electrical pulses and stimulates the surviving healthy parts in the retina of the eye, i.e. ganglion cells, using electric pulses applied through an electrode array. The retinal neurons send visual information to the brain. This article presents the design of a prototype vision prosthesis system which converts images/video into biphasic electric stimulation pulses for the excitation of electrodes simulated by an LED array. The proposed prototype laboratory model has been developed for the design of flexible high-resolution 1024-electrode VPS, using an embedded computer-based efficient control algorithm for better visual prediction. The prototype design for the VPS is verified visually through a video display on an LCD/LED array. The experimental results of VPS are enumerated for the test objects, such as, palm, human face and large font characters. The results were found to be satisfactory.
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Conference papers on the topic "Biphasic stimulation"

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Lee, Edward K. F., and Anthony Lam. "A Matching Technique for Biphasic Stimulation Pulse." In 2007 IEEE International Symposium on Circuits and Systems. IEEE, 2007. http://dx.doi.org/10.1109/iscas.2007.378031.

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Acosta, Adan I., Muhammad S. Noor, Zelma H. T. Kiss, and Kartikeya Murari. "A lightweight discrete biphasic current stimulator for rodent deep brain stimulation." In 2015 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2015. http://dx.doi.org/10.1109/biocas.2015.7348360.

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Guo, Song, and Hoi Lee. "Biphasic-current-pulse self-calibration techniques for monopolar current stimulation." In 2009 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2009. http://dx.doi.org/10.1109/biocas.2009.5372085.

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Constandinou, Timothy G., Julius Georgiou, and Chris Toumazou. "A partial-current-steering biphasic stimulation driver for neural prostheses." In 2008 IEEE International Symposium on Circuits and Systems - ISCAS 2008. IEEE, 2008. http://dx.doi.org/10.1109/iscas.2008.4541965.

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Tahayori, Bahman, and Socrates Dokos. "Optimal stimulus profiles for neuroprosthetic devices: Monophasic versus biphasic stimulation." In 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2013. http://dx.doi.org/10.1109/embc.2013.6610914.

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Maohua Ren, Jinyong Zhang, Lei Wang, and Zhenyu Wang. "A novel biphasic-current-pulse calibration technique for electrical neural stimulation." In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6944749.

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Maghami, Mohammad Hossein, Amir M. Sodagar, and Mohamad Sawan. "Biphasic, energy-efficient, current-controlled stimulation back-end for retinal visual prosthesis." In 2014 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2014. http://dx.doi.org/10.1109/iscas.2014.6865110.

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Cho, Donghyeok, Nahmil Koo, Taekwang Jang, and Seonghwan Cho. "An Offset Charge Compensating Biphasic Neuro - stimulation for Faradaic DC-Current Reduction." In 2021 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2021. http://dx.doi.org/10.1109/iscas51556.2021.9401722.

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Tazawa, Ryunosuke, Daisuke Okano, Yuki Hatazawa, Masao Sugi, Shunta Togo, Yinlai Jiang, and Hiroshi Yokoi. "Stimulation Wave Profiles for Elbow Flexion in Surface Electrical Stimulation Based on Burst-Modulated Symmetric Biphasic Rectangular Waves." In 2019 IEEE International Conference on Advanced Robotics and its Social Impacts (ARSO). IEEE, 2019. http://dx.doi.org/10.1109/arso46408.2019.8948739.

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Moradi, Saed, Esmaeel Maghsoudloo, and Reza Lotfi. "New charge balancing method based on imbalanced biphasic current pulses for functional electrical stimulation." In 2012 20th Iranian Conference on Electrical Engineering (ICEE). IEEE, 2012. http://dx.doi.org/10.1109/iraniancee.2012.6292367.

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