ULTRA-LOW FIELD NUCLEAR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGING TO DISCRIMINATE AND IDENTIFY MATERIALS
Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and wherein a sampling temperature, prepolarizing field, and measurement field are known; detecting the NMR measurement by means of inductive coils;an...
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Main Authors | , , , , , |
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Format | Patent |
Language | English French |
Published |
15.09.2011
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Abstract | Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and wherein a sampling temperature, prepolarizing field, and measurement field are known; detecting the NMR measurement by means of inductive coils;analyzing the NMR measurement to obtain at least one measurement feature wherein the measurement feature comprises Tl, T2, Tip, or the frequency dependence thereof; and, searching for the at least one measurement feature within a database comprising NMR reference data for at least one material to determine if the sample comprises a material of interest.
La présente invention concerne un procédé comprenant les étapes suivantes : obtention d'une mesure par RMN à partir d'un échantillon, un système de RMN à très faible champ sondant l'échantillon et produisant la mesure par RMN, la température d'échantillonnage, le champ de prépolarisation, et le champ de mesure étant connus; détection de la mesure par RMN au moyen de bobines d'induction; analyse de la mesure par RMN afin d'obtenir au moins une caractéristique de mesure, cette caractéristique de mesure comprenant Tl, T2, Tip, ou leur dépendance en fréquence; et recherche de la ou des caractéristiques de mesure dans une base de données comprenant des données de référence RMN pour au moins un matériau afin de déterminer si l'échantillon comprend un matériau d'intérêt. |
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AbstractList | Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and wherein a sampling temperature, prepolarizing field, and measurement field are known; detecting the NMR measurement by means of inductive coils;analyzing the NMR measurement to obtain at least one measurement feature wherein the measurement feature comprises Tl, T2, Tip, or the frequency dependence thereof; and, searching for the at least one measurement feature within a database comprising NMR reference data for at least one material to determine if the sample comprises a material of interest.
La présente invention concerne un procédé comprenant les étapes suivantes : obtention d'une mesure par RMN à partir d'un échantillon, un système de RMN à très faible champ sondant l'échantillon et produisant la mesure par RMN, la température d'échantillonnage, le champ de prépolarisation, et le champ de mesure étant connus; détection de la mesure par RMN au moyen de bobines d'induction; analyse de la mesure par RMN afin d'obtenir au moins une caractéristique de mesure, cette caractéristique de mesure comprenant Tl, T2, Tip, ou leur dépendance en fréquence; et recherche de la ou des caractéristiques de mesure dans une base de données comprenant des données de référence RMN pour au moins un matériau afin de déterminer si l'échantillon comprend un matériau d'intérêt. |
Author | KRAUS, ROBERT, HENRY MATLASHOV, ANDREI, NIKOLAEVICH SAVUKOV, IGOR, MYKHAYLOVICH VOLEGOV, PETR, LVOVICH URBAITIS, ALGIS, V ESPY, MICHELLE, A |
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DocumentTitleAlternate | RÉSONANCE MAGNÉTIQUE NUCLÉAIRE À TRÈS FAIBLE CHAMP ET IMAGERIE PAR RÉSONANCE MAGNÉTIQUE POUR DISCRIMINER ET IDENTIFIER DES MATÉRIAUX |
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Snippet | Method comprising obtaining an NMR measurement from a sample wherein an ultra-low field NMR system probes the sample and produces the NMR measurement and... |
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SubjectTerms | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
Title | ULTRA-LOW FIELD NUCLEAR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGING TO DISCRIMINATE AND IDENTIFY MATERIALS |
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