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Related papers: Small animal biomagnetism applications

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We study the influence of an external magnetic field h on the phase diagram of a system of Fermi particles living on the sites of a Bethe lattice with coordination number z and interacting through on-site U and nearest-neighbor V…

Strongly Correlated Electrons · Physics 2010-06-08 F. P. Mancini

High-density afferents in the human hand have long been regarded as essential for human grasping and manipulation abilities. In contrast, robotic tactile sensors are typically used to provide low-density contact data, such as…

Robotics · Computer Science 2020-06-09 Yashraj S. Narang , Karl Van Wyk , Arsalan Mousavian , Dieter Fox

A deep latent variable model is a powerful method for capturing complex distributions. These models assume that underlying structures, but unobserved, are present within the data. In this dissertation, we explore high-dimensional problems…

Machine Learning · Computer Science 2024-06-13 Khuong Vo

Stand-off magnetometry allows measuring magnetic field at a distance, and can be employed in geophysical research, hazardous environment monitoring, and security applications. Stand-off magnetometry based on resonant scattering from atoms…

Measurements monitoring the inductive coupling between oscillating radio-frequency magnetic fields and objects of interest create versatile platforms for non-destructive testing. The benefits of ultra low frequency measurements, i.e., below…

Applied Physics · Physics 2024-10-17 L. M. Rushton , L. M. Ellis , J. D. Zipfel , P. Bevington , W. Chalupczak

Recording the moving MEGs of a person in which a person's head could move freely as we record the brain's magnetic field is a hot topic in recent years. Traditionally, atomic magnetometers are utilized for moving MEGs recording and a large…

Applied Physics · Physics 2022-04-25 Yao Chen , Yintao Ma , Mingzhi Yu , Yanbin Wang , Ning Zhang , Libo Zhao , Zhuangde Jiang

We present a theoretical study of the spectra produced by optical-radio-frequency double resonance devices, in which resonant linearly polarized light is used in the optical pumping and detection processes. We extend previous work by…

Atomic Physics · Physics 2007-05-23 Antoine Weis , Georg Bison , Anatoly S. Pazgalev

The experimental study of neural networks requires simultaneous measurements of a massive number of neurons, while monitoring properties of the connectivity, synaptic strengths and delays. Current technological barriers make such a mission…

Neurons and Cognition · Quantitative Biology 2016-01-12 Amir Goldental , Pinhas Sabo , Shira Sardi , Roni Vardi , Ido Kanter

In the framework of the simplified stochastic model the critical values of an induction of the external magnetic field leading to sharp increase of fluctuations of a casual current of biologically important ions in different blood vessels…

Medical Physics · Physics 2013-05-24 Zakirjon Kanokov , Shakhnoza Z. Kanokova

Background: The chronically instrumented pregnant sheep has been used as a model of human fetal development and responses to pathophysiologic stimuli. This is due to the unique amenability of the unanesthetized fetal sheep to the surgical…

Tracking biosignals is crucial for monitoring wellness and preempting the development of severe medical conditions. Today, wearable devices can conveniently record various biosignals, creating the opportunity to monitor health status…

Machine Learning · Computer Science 2024-03-07 Salar Abbaspourazad , Oussama Elachqar , Andrew C. Miller , Saba Emrani , Udhyakumar Nallasamy , Ian Shapiro

We propose a new concept of magnetic focusing for targeting and accumulation of functionalized superparamagnetic nanoparticles in living organs through composite configurations of different permanent magnets. The proposed setups fulfill two…

Materials Science · Physics 2020-12-10 A. Omelyanchik , G. Lamura , D. Peddis , F. Canepa

Preclinical magnetic resonance imaging often requires the entire body of an animal to be imaged with sufficient quality. This is usually performed by combining regions scanned with small coils with high sensitivity or long scans using large…

We report what we believe is the first experimental limit placed on plant biomagnetism. Measurements with a sensitive atomic magnetometer were performed on the Titan arum (Amorphophallus titanum) inflorescence, known for its fast…

This is an analysis of how magnetic fields affect biological molecules and cells. It was prompted by a series of prominent reports regarding magnetism in biological systems. The first claims to have identified a protein complex that acts…

Neurons and Cognition · Quantitative Biology 2016-09-09 Markus Meister

Continuous cardiovascular monitoring is essential for managing circulatory health and disease, yet most wearable sensors are constrained by reliance on electrical transduction and built-in electronics. We present a circuit-free, wholly…

The possible mechanisms of communications between distant bio-systems by means of optical and UV photons are studied. It is argued that their main production mechanism is owed to the biochemical reactions, occurring during the cell…

Other Quantitative Biology · Quantitative Biology 2009-11-17 S. Mayburov

A large number of magnetic sensors, like superconducting quantum interference devices, optical pumping and nitrogen vacancy magnetometers, were shown to satisfy the energy resolution limit. This limit states that the magnetic sensitivity of…

Biological Physics · Physics 2025-01-20 I. K. Kominis , E. Gkoudinakis

This paper investigates sound and music interactions arising from the use of electromyography (EMG) to instrumentalise signals from muscle exertion of the human body. We situate EMG within a family of embodied interaction modalities, where…

Tissues and Organs · Quantitative Biology 2024-10-01 Courtney N Reed , Landon Morrison , Andrew P Mcpherson , David Fierro , Atau Tanaka

We explore properties of the radio-frequency atomic magnetometer, specifically its sensitivity to the polarisation of an oscillating magnetic field. This aspect can be particularly relevant to configurations where the sensor monitors fields…

Applied Physics · Physics 2024-07-11 L. M. Rushton , L. M. Ellis , J. D. Zipfel , P. Bevington , W. Chalupczak
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