Literatura científica selecionada sobre o tema "Biomagnetic"
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Artigos de revistas sobre o assunto "Biomagnetic"
Embi, Abraham A. "THE HUMAN HAIR FOLLICLE PULSATING BIOMAGNETIC FIELD REACH AS POSSIBLE ADDITIONAL FACTOR IN MIGRAINE HEADACHES A BIOPHYSICS BASED HYPOTHESIS". International Journal of Research -GRANTHAALAYAH 8, n.º 5 (8 de junho de 2020): 221–29. http://dx.doi.org/10.29121/granthaalayah.v8.i5.2020.179.
Texto completo da fonteSwithenby, S. J. "Biomagnetism and the biomagnetic inverse problem". Physics in Medicine and Biology 32, n.º 1 (1 de janeiro de 1987): 3–4. http://dx.doi.org/10.1088/0031-9155/32/1/002.
Texto completo da fonteA., Abraham. "BIOMAGNETISM AS FACTOR IN RED BLOOD CELLS DEFORMATION". International Journal of Research -GRANTHAALAYAH 6, n.º 12 (31 de dezembro de 2018): 46–57. http://dx.doi.org/10.29121/granthaalayah.v6.i12.2018.1245.
Texto completo da fonteEmbi Bs, Abraham A. "BIOMAGNETISM AS FACTOR IN RED BLOOD CELLS DEFORMATION". International Journal of Research -GRANTHAALAYAH 6, n.º 12 (31 de dezembro de 2018): 46–57. http://dx.doi.org/10.29121/granthaalayah.v7.i1.2019.1076.
Texto completo da fonteEmbi, Abraham A. "DEMONSTRATION OF THE HUMAN HAIR FOLLICLE MAGNETORECEPTION OF BIOMAGNETISM RADIATED BY THE CONCAVE PART OF THE HUMAN HAND". International Journal of Research -GRANTHAALAYAH 8, n.º 5 (12 de junho de 2020): 348–54. http://dx.doi.org/10.29121/granthaalayah.v8.i5.2020.291.
Texto completo da fonteRechnitz, Garry A., e Christopher W. Babb. "Biomagnetic neurosensors". Current Opinion in Biotechnology 7, n.º 1 (fevereiro de 1996): 55–59. http://dx.doi.org/10.1016/s0958-1669(96)80095-4.
Texto completo da fonteLeech, Donal, e Garry A. Rechnitz. "Biomagnetic neurosensors". Analytical Chemistry 65, n.º 22 (15 de novembro de 1993): 3262–66. http://dx.doi.org/10.1021/ac00070a016.
Texto completo da fonteYamada, Shokei, e Christopher C. Gallen. "Biomagnetic Technologies". Neurosurgery 33, n.º 1 (julho de 1993): 166–68. http://dx.doi.org/10.1227/00006123-199307000-00031.
Texto completo da fonteYamada, Shokei, e Christopher C. Gallen. "Biomagnetic Technologies". Neurosurgery 33, n.º 1 (1 de julho de 1993): 166–68. http://dx.doi.org/10.1097/00006123-199307000-00031.
Texto completo da fonte川勝, 真喜, 宏一郎 小林, 義則 内川 e M. Kotani. "Measurement System for Biomagnetic Fields(Special Issue : Research of Biomagnetism)". JAPANES JOURNAL OF MEDICAL INSTRUMENTATION 69, n.º 5 (1 de maio de 1999): 240–45. http://dx.doi.org/10.4286/ikakikaigaku.69.5_240.
Texto completo da fonteTeses / dissertações sobre o assunto "Biomagnetic"
Mishin, A. "Biomagnetic signal analysis". Thesis, Swansea University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638202.
Texto completo da fonteChopin, Chloé. "Biomagnetic sensors based on spin electronics". Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP022.
Texto completo da fonteMagnetic sensors based on the Giant Magnetoresistance (GMR) effect have a good sensitivity with a resistance which is proportional to the external magnetic field. In addition, they are sensitive at small scale (a few microns), at room temperature and along a unique axis of sensitivity. Thus, they are good candidates to measure the magnetic fields generated by the electrical activity of neurons at local scale like action potentials which have an amplitude expected between 10 and 100 pT at 1 kHz. As GMR sensors have a limit of detection (LOD) in the nT range at low frequency, several studies were conducted, including on the size and composition of the GMR sensor, to improve it. A probe that implements GMR sensors to conduct in-vivo experiments, called magnetrode, was also optimized in two ways. First, the tip thickness is reduced to decrease its invasiveness. Second, several GMR sensors are embedded on the magnetrode and in particular for 2D measurements. The optimized magnetrodes were then used for in-vivo recordings on rodents. They keep a limit of detection of 1 nT around 1 kHz for an increased stability which enables the reduction of the noise level of in-vivo experiments thanks to an averaging over a large number of events. In addition, a magnetrode for 2D measurements was developed. Finally, GMR sensors at the state of the art are implemented on a magnetrode with a tip thickness decreased down to 25 µm. Magnetrodes are able to detect in-vivo a magnetic signal with an amplitude around 250 pT
Thomas, Ian. "High resolution measurements of quasi-static biomagnetic fields". Thesis, Open University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278302.
Texto completo da fonteCameron, Seth Andrew 1967. "Novel Fourier methods for biomagnetic boundary value problems". Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/278738.
Texto completo da fonteSingh, Krishna Devi. "The development of biomagnetic systems : planar gradiometers and software tools". n.p, 1991. http://oro.open.ac.uk/19786/.
Texto completo da fonteHrkac, Viktor [Verfasser]. "Nanocharacterization of materials for biomagnetic sensing using TEM / Viktor Hrkac". Kiel : Universitätsbibliothek Kiel, 2014. http://d-nb.info/1047578808/34.
Texto completo da fonteSingh, K. D. "The development of biomagnetic systems : planar gradiometers and software tools". Thesis, Open University, 1991. http://oro.open.ac.uk/19786/.
Texto completo da fonteMoura, Matheus Sacilotto de. "Desenvolvimento em um biogradiômetro multicanal supercondutor com SQUIDs DC para registro de medidas de magnetocardiografia fetal". Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/59/59135/tde-04042012-141710/.
Texto completo da fonteIn this project we worked in the developing of a new instrumentation for mea- sure magnetic fields of biological source based in SQUID sensors and auxiliares systems, with aim of use this suite in measures of fetal magnetocardiography (fMCG), that is the recording of the magnetic fields generated by the fetal heart's activity, reflecting the electrophysiological processes that happen in it. This biomagnetic technique besides to be accurate enough to obtain measures of the magnetic field originated from the fetal heart, that is of the order of ten picoteslas at a few centimeters distance from the maternal abdomen, also realizes measures in outside sections at the mother's body turning it so promise. However, not obtained the desired sensitivity of the biogradiometer system, achieving just a sensitivity capable of detecting the magnetocardiography (MCG) signal of a developed cardiac system, which is about 100 pT. This work has met, yet, all information obtained by the biomagnetism group over the past years referent to the multichannel biogradiometer system.
OTERO, JOHNNY ALEXANDER BASTIDAS. "GENETIC ALGORITHMS APPLIED TO THE SOLUTION OF THE BIOMAGNETIC INVERSE PROBLEM". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=28372@1.
Texto completo da fonteCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
Sinais bioelétricos fornecem informações importantes sobre a função fisiológica de muitos organismos vivos. Em magnetismo, denomina-se problema direto aquele em que se determina o campo magnético a partir do conhecimento da fonte de corrente que o gerou. Por outro lado, existem situações em que se deseja determinar a fonte de corrente a partir de valores de campo magnético medidos. Esse tipo de problema é usual em Biomagnetismo e é denominado problema inverso. Por exemplo, com base em medições do campo magnético cardíaco é possível inferir sobre a atividade elétrica, no tecido cardíaco, que foi responsável por sua geração. Este trabalho propõe, apresenta e discute uma nova técnica destinada a resolver o problema biomagnético inverso, por meio de algoritmos genéticos. Objetiva-se estimar a posição, a orientação e a magnitude dos dipolos de corrente equivalentes, responsáveis pela geração de mapas de campos biomagnéticos obtidos experimentalmente por meio de medições realizadas em corações isolados de coelho utilizando um sistema SQUID de 16 canais. O algoritmo busca identificar a distribuição de dipolos que melhor se ajusta aos dados experimentais, objetivando minimizar o erro entre o mapa de campo magnético medido e o obtido por meio das soluções estimadas. O conhecimento dos parâmetros dos dipolos de corrente, em diferentes instantes de tempo, permite a correta interpretação e análise da informação médica obtida a partir dos campos biomagnéticos medidos experimentalmente, auxiliando na definição de diagnósticos e orientação de abordagens terapêuticas.
Bioelectric signals provide important information about the physiological function of many living organisms. In magnetism, the so-called direct problem deals with the determination of the magnetic field associated to well known current sources. On the other hand, there are situations where it is necessary to determine the current source responsible for the generation of a measured magnetic field. This type of problem is common in Biomagnetism and is called inverse problem. For example, based on cardiac magnetic field measurements it is possible to infer the electrical activity in the heart tissue, responsible for its generation. This work proposes, presents and discusses a new technique designed to solve the biomagnetic inverse problem by genetic algorithms. It is intended to estimate the position, orientation and magnitude of the equivalent current dipoles, responsible for the generation of biomagnetic field maps measured with a 16 channel SQUID system. The algorithm attempts to identify the distribution of dipoles that best fits the measured experimental data, aiming at minimizing the error between the experimental magnetic field maps and those obtained by the estimated solutions. The experimental data analyzed in this study were acquired by measurements in isolated rabbit hearts. The knowledge of parameters of current dipoles at different instants of time allows the correct interpretation and analysis of medical information obtained from the experimentally measured biomagnetic fields, providing diagnosis and guiding therapeutic procedures.
Gyawali, Shashi Raj. "Design and construction of helmholtz coil for biomagnetic studies on soybean". Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5686.
Texto completo da fonteThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 12, 2009) Includes bibliographical references.
Livros sobre o assunto "Biomagnetic"
Ueno, Shoogo, ed. Biomagnetic Stimulation. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3.
Texto completo da fonteShoogo, Ueno, e International Symposium on Biomagnetic Stimulation (1991 : Fukuoka-shi, Japan), eds. Biomagnetic stimulation. New York: Plenum Press, 1994.
Encontre o texto completo da fonteBiomagnetic and herbal therapy. Twin Lakes, WI: Lotus Press, 1997.
Encontre o texto completo da fonte(Oslo), Dynal, ed. Biomagnetic techniques in molecular biology: Technical handbook. 2a ed. Oslo, Norway: Dynal, 1995.
Encontre o texto completo da fonteRobert, Plonsey, ed. Bioelectromagnetism: Principles and applications of bioelectric and biomagnetic fields. New York: Oxford University Press, 1995.
Encontre o texto completo da fonteTitomir, L. I. Bioelectric and biomagnetic fields: Theory and applications in electrocardiology. Boca Raton: CRC Press, 1994.
Encontre o texto completo da fontePhilpott, William H. Biomagnetic handbook: Today's introduction to the energy medicine of tomorrow. Choctaw, OK: Enviro-Tech Products, 1990.
Encontre o texto completo da fonte1929-, Bachmann Kurt, Stefan H, Vieth Jürgen e Biomagnetic Center Erlangen, eds. Biomagnetism: Principles, models and clinical research : proceedings of the opening symposium of the Biomagnetic Center Erlangen (5. - 6. October 1990). Erlangen: Palm & Enke, 1992.
Encontre o texto completo da fonteKneppo, Peter. Biomagnitnye izmerenii͡a︡. Moskva: Ėnergoatomizdat, 1989.
Encontre o texto completo da fonteWadas, Romuald Sławomir. Biomagnetism. New York: Ellis Horwood, 1991.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Biomagnetic"
Krause, Hans-Joachim, e Hui Dong. "Biomagnetic Sensing". In Springer Series on Chemical Sensors and Biosensors, 449–74. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/5346_2017_13.
Texto completo da fonteKoch, H. "Biomagnetic Sensors". In Superconducting Quantum Electronics, 128–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_5.
Texto completo da fonteFreeston, Ian L. "The History of Magnetic Nerve Stimulation and its Development at the University of Sheffield". In Biomagnetic Stimulation, 1–7. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_1.
Texto completo da fonteBarker, Anthony T. "Magnetic Nerve Stimulation: Principles, Advantages and Disadvantages". In Biomagnetic Stimulation, 9–28. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_2.
Texto completo da fonteUeno, Shoogo. "Focal and Vectorial Magnetic Stimulation of the Human Brain". In Biomagnetic Stimulation, 29–47. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_3.
Texto completo da fonteRothwell, J. C. "Motor Cortical Stimulation in Man". In Biomagnetic Stimulation, 49–57. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_4.
Texto completo da fonteKraus, Karl H., Walter J. Levy, Lavern D. Gugino, Rhamsis Ghaly, Vahe Amassian e John Cadwell. "Clinical Application of Transcranial Magnetic Stimulation for Intraoperative Monitoring of the Spinal Cord and Mapping of the Motor Cortex". In Biomagnetic Stimulation, 59–73. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_5.
Texto completo da fonteNyenhuis, John, Joe Bourland, Gabriel Mouchawar, Leslie Geddes, Kirk Foster, Jim Jones, William Schoenlein et al. "Magnetic Stimulation of the Heart and Safety Issues in Magnetic Resonance Imaging". In Biomagnetic Stimulation, 75–89. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_6.
Texto completo da fonteMarkov, Marko S. "Biological Effects of Extremely Low Frequency Magnetic Fields". In Biomagnetic Stimulation, 91–103. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_7.
Texto completo da fonteÖberg, P. Åke. "Magnetic Stimulation of Nerve Tissue". In Biomagnetic Stimulation, 105–17. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4757-9507-3_8.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Biomagnetic"
Kullmann, W. H. "Biomagnetic imaging". In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1988. http://dx.doi.org/10.1109/iembs.1988.94596.
Texto completo da fonteAlvarez, Robert E. "Limitations On Biomagnetic Imaging". In Medical Imaging II, editado por Roger H. Schneider e Samuel J. Dwyer III. SPIE, 1988. http://dx.doi.org/10.1117/12.968609.
Texto completo da fonteDallas, William J. "Overview of biomagnetic imaging". In San Diego '90, 8-13 July, editado por Arthur F. Gmitro, Paul S. Idell e Ivan J. LaHaie. SPIE, 1990. http://dx.doi.org/10.1117/12.23648.
Texto completo da fonteRASSI, D., e Y. ZHURAVLEV. "BIOMAGNETIC MEASUREMENTS USING SQUID INSTRUMENTATION". In Proceedings of the First Regional Conference. World Scientific Publishing Company, 2000. http://dx.doi.org/10.1142/9789812793676_0083.
Texto completo da fonteJahns, Robert, Reinhard Knochel, Henry Greve, Eric Woltermann, Enno Lage e Eckard Quandt. "Magnetoelectric sensors for biomagnetic measurements". In 2011 IEEE International Symposium on Medical Measurements and Applications (MeMeA). IEEE, 2011. http://dx.doi.org/10.1109/memea.2011.5966676.
Texto completo da fonteDallas, William J. "Volume currents in biomagnetic imaging". In Medical Imaging '90, Newport Beach, 4-9 Feb 90, editado por Roger H. Schneider. SPIE, 1990. http://dx.doi.org/10.1117/12.18777.
Texto completo da fonteRissanen, Giebler e Malmivuo. "Balanced ABC-Vectorgradiometer For Biomagnetic Research". In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.595867.
Texto completo da fonteAlvarez, Robert E. "Biomagnetic Imaging Using Arrays Of SQUIDs". In 1989 Medical Imaging, editado por Samuel J. Dwyer III, R. Gilbert Jost e Roger H. Schneider. SPIE, 1989. http://dx.doi.org/10.1117/12.953186.
Texto completo da fonteDallas, W. J., H. A. Schlitt, W. Kullmann e W. E. Smith. "Biomagnetic Imaging: A Point Spread Description". In Medical Imaging II, editado por Roger H. Schneider e Samuel J. Dwyer III. SPIE, 1988. http://dx.doi.org/10.1117/12.968618.
Texto completo da fonteRissanen, Antti, Frank Giesler e Jaakko Malmivuo. "Balanced ABC-vectorgradiometer for biomagnetic research". In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5761253.
Texto completo da fonteRelatórios de organizações sobre o assunto "Biomagnetic"
Reich, D. H., C. S. Chen, C. L. Chien, G. J. Meyer, K. Leong, P. C. Searson e G. Xiao. Multifunctional Magnetic Nanowires for Biomagnetic Interfacing Concepts. Fort Belvoir, VA: Defense Technical Information Center, julho de 2006. http://dx.doi.org/10.21236/ada453239.
Texto completo da fonteHughett, Paul William. Algorithms for biomagnetic source imaging with prior anatomical and physiological information. Office of Scientific and Technical Information (OSTI), dezembro de 1995. http://dx.doi.org/10.2172/195677.
Texto completo da fonteKouznetsov, Konstantin Alexander. The high temperature superconductor YBa2Cu3O7-δ: symmetry of the order parameter, and gradiometers for biomagnetic applications. Office of Scientific and Technical Information (OSTI), dezembro de 1999. http://dx.doi.org/10.2172/753117.
Texto completo da fonteKraus, R. H. Jr, E. R. Flynn, M. Espy, Q. X. Jia, X. D. Wu e D. Reagor. Ultra-sensitive sensors for weak electromagnetic fields using high-{Tc} SQUIDS for biomagnetism, NDE, and corrosion currents. Office of Scientific and Technical Information (OSTI), novembro de 1998. http://dx.doi.org/10.2172/677153.
Texto completo da fonte