Search Results - "Matlashov, A N"

SQUID-based systems for co-registration of ultra-low field nuclear magnetic resonance images and magnetoencephalography by Matlashov, A.N., Burmistrov, E., Magnelind, P.E., Schultz, L., Urbaitis, A.V., Volegov, P.L., Yoder, J., Espy, M.A.

“…► Co-registration of magnetoencephalography and ultra-low field MRI. ► Description of the design of a hybrid system. ► Optimization of pick-up coils for…”
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Polarization enhancement technique for nuclear quadrupole resonance detection by Kim, Y.J., Karaulanov, T., Matlashov, A.N., Newman, S., Urbaitis, A., Volegov, P., Yoder, J., Espy, M.A.

“…We demonstrate a dramatic increase in the signal-to-noise ratio (SNR) of a nuclear quadrupole resonance (NQR) signal by using a polarization enhancement…”
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MRI with an atomic magnetometer suitable for practical imaging applications by Savukov, I.M., Zotev, V.S., Volegov, P.L., Espy, M.A., Matlashov, A.N., Gomez, J.J., Kraus, R.H.

“…Conventionally implemented MRI is performed in a strong magnetic field, typically >1 T. The high fields, however, can lead to many limitations. To overcome…”
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New experimental limit on the electric dipole moment of the electron in a paramagnetic insulator by Kim, Y. J., Liu, C.-Y., Lamoreaux, S. K., Visser, G., Kunkler, B., Matlashov, A. N., Long, J. C., Reddy, T. G.

“…We report results of an experimental search for the intrinsic electric dipole moment of the electron (eEDM) using a solid-state technique. The experiment…”
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Digital spatial filter made from a SQUID array by Bruno, A.C., Espy, M.A., Clark, D.D., Matlashov, A.N., Kraus, R.H.

“…A linear array of high transition temperature SQUID, has been configured to work as digital spatial filters. The SQUID filters can be configured to obtain a…”
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Performance of a novel SQUID-based superconducting imaging-surface magnetoencephalography system by Kraus, R.H., Volegov, P., Maharajh, K., Espy, M.A., Matlashov, A.N., Flynn, E.R.

“…Performance for a recently completed whole-head magnetoencephalography system using a superconducting imaging surface (SIS) surrounding an array of 150 SQUID…”
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The temperature dependence of SQUID noise at temperatures below 4 K by Espy, M.A., Matlashov, A.N., Kraus Jr, R.H., Balakirev, F., Betts, J.

“…The temperature dependence of SQUID noise was tested over a temperature range from 0.3–4 K. A SQUID-based picovoltmeter at 4–5 K was used to read out the…”
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Two methods for a first order hardware gradiometer using two HTS SQUIDs by Espy, M.A., Flynn, E.R., Kraus, R.H., Matlashov, A.N.

“…Two types of first order electronic gradiometers have been developed using high temperature superconducting (HTS) SQUIDs. Gradiometry is accomplished in…”
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Non-destructive evaluation with a linear array of 11 HTS SQUIDs by Espy, M.A., Matlashov, A.N., Mosher, J.C., Kraus, R.H.

“…A linear array of 11 High Temperature Superconducting (HTS) SQUIDs was used for non-destructive evaluation (NDE) applications. The array consists of 11 SQUID…”
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High sensitive magnetometers and gradiometers based on DC SQUIDs with flux focuser by Matlashov, A.N., Koshelets, V.P., Kalashnikov, P.V., Zhuravlev, Y.E., Slobodchikov, V.Y., Kovtonyuk, S.A., Filippenko, L.V.

“…Highly sensitive DC SQUID magnetometers and gradiometers with flux focusers instead of traditional coupling coils were designed and experimentally tested. All…”
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DC SQUID preamplifier for DC-SQUID magnetometer by Koshelets, V.P., Matlashov, A.N., Serpuchenko, I.L., Filippenko, L.V., Zhuravlev, Y.E.

“…A DC SQUID (superconducting quantum interference device) magnetometer with DC SQUID preamplifier has been designed and experimentally tested. The total…”
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Comparison of Axial Wire-Wound and Planar Thin-Film SQUID-Based Gradiometers for Super-Paramagnetic Relaxometry Measurements by Anderson, W. H., Flynn, E. R., Karaulanov, T., Matlashov, A. N., Nettles, C., Radigan, W.

“…Superparamagnetic relaxometry (SPMR) is a new technology used for detection and localization of cells tagged with super-paramagnetic nanoparticles. SPMR is one…”
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New Experimental Limit on the Electric Dipole Moment of the Electron in a Paramagnetic Insulator by Kim, Y. J, Liu, C. -Y, Lamoreaux, S. K, Visser, G, Kunkler, B, Matlashov, A. N, Long, J. C, Reddy, T. G

“…Phys. Rev. D 91 102004 (2015) We report results of an experimental search for the intrinsic Electric Dipole Moment (EDM) of the electron using a solid-state…”
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Tikhonov regularisation approach to dynamic biomagnetic imaging by Nikulin, S L, Zhuravlev YuE, Matlashov, A N, Lipovitch AYa

“…We describe a method of identifying the distributed sources associated with biomagnetic data sets. The technique is based on Tikhonov regularisation. An…”
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Microtesla MRI with dynamic nuclear polarization by Zotev, V. S, Owens, T, Matlashov, A. N, Savukov, I. M, Gomez, J. J, Espy, M. A

“…J.Magn.Resonance 207:78-88, 2010 Magnetic resonance imaging at microtesla fields is a promising imaging method that combines the pre-polarization technique and…”
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SQUIDs vs. Induction Coils for Ultra-Low Field Nuclear Magnetic Resonance: Experimental and Simulation Comparison by Matlashov, A N, Schultz, L J, Espy, M A, Kraus, R H, Savukov, I M, Volegov, P L, Wurden, C J

“…Nuclear magnetic resonance (NMR) is widely used in medicine, chemistry and industry. One application area is magnetic resonance imaging (MRI). Recently it has…”
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SQUID-based microtesla MRI for in vivo relaxometry of the human brain by Zotev, V. S, Volegov, P. L, Matlashov, A. N, Savukov, I. M, Owens, T, Espy, M. A

“…IEEE Trans. Appl. Supercond. 19:823-826, 2009 SQUID-based MRI (magnetic resonance imaging) at microtesla fields has developed significantly over the past few…”
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SQUID-based instrumentation for ultra-low-field MRI by Zotev, V. S, Matlashov, A. N, Volegov, P. L, Urbaitis, A. V, Espy, M. A, KrausJr, R. H

“…Superconductor Science and Technology 20, S367 (2007) Magnetic resonance imaging at ultra-low fields (ULF MRI) is a promising new imaging method that uses…”
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Microtesla MRI of the human brain combined with MEG by Zotev, V. S, Matlashov, A. N, Volegov, P. L, Savukov, I. M, Espy, M. A, Mosher, J. C, Gomez, J. J, KrausJr, R. H

“…J.Magn.Resonance194:115,2008 One of the challenges in functional brain imaging is integration of complementary imaging modalities, such as…”
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Noise Modeling From Conductive Shields Using Kirchhoff Equations by Sandin, H J, Volegov, P L, Espy, M A, Matlashov, A N, Savukov, I M, Schultz, L J

“…Progress in the development of high-sensitivity magnetic-field measurements has stimulated interest in understanding the magnetic noise of conductive…”
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