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Device for the nmr analysis of substances in a sample, respiratory gas analysis device, fuel sensor and method

A technology for analyzers and magnetic field sensors, which is applied in the fields of sensors, analytical materials, and nuclear magnetic resonance analysis, and can solve problems such as the impossibility of miniaturization of NMR instruments

Active Publication Date: 2017-05-17
ROBERT BOSCH GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, miniaturization of NMR instruments is generally not possible

Method used

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  • Device for the nmr analysis of substances in a sample, respiratory gas analysis device, fuel sensor and method
  • Device for the nmr analysis of substances in a sample, respiratory gas analysis device, fuel sensor and method
  • Device for the nmr analysis of substances in a sample, respiratory gas analysis device, fuel sensor and method

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Embodiment Construction

[0034] The core of the invention is the use of nitrogen vacancy centers in diamonds for the measurement of nuclear magnetic resonance, thereby making it possible to provide very sensitive measuring devices which are especially also suitable for miniaturized applications.

[0035] figure 1 A nitrogen vacancy center (NV center) known per se in diamond is illustrated. Shown is the lattice of carbon atoms forming the diamond structure. One of the carbon atoms is replaced by a nitrogen atom N (arrow 1). Immediately adjacent carbon atoms are absent in the diamond lattice. This is indicated in this illustration with a V (vacancy) (arrow 2 ). Such NV centers in diamond possess a specific energy spectrum at room temperature. In the normal state, ie when excited with light in the visual range and without additional radiation in the microwave range and without

[0036] Upon application of a magnetic field, the NV centers show fluorescence in the red wavelength range upon optical exc...

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Abstract

In a device (40) for analysing substances in a sample on the basis of a measurement of nuclear magnetic resonances, the device comprises means (47) for generating a magnetic field. The device (40) is characterized in that, in order to detect magnetic resonances induced in the sample by the generation of the magnetic field, provision is made of at least one magnetic field sensor which comprises at least one sensitive component (45) with diamond structures, wherein the diamond structures have nitrogen vacancy centres.

Description

technical field [0001] The invention relates to a device for analyzing substances in a sample, the analysis being based on nuclear magnetic resonance measurements, a breath analyzer, a fuel sensor and a method for analyzing substances in a sample. Background technique [0002] Nuclear magnetic resonance spectroscopy (NMR spectroscopy, nuclear magnetic resonance) is a commonly used method for studying the electronic surrounding environment of individual atoms and the interaction between atoms. In this case, the method is based on so-called nuclear magnetic resonance. In this connection, the resonant interaction between the magnetic moment of the atomic nucleus, which is located in a strong static magnetic field, and the high-frequency alternating magnetic field is explained. Here, the atomic nuclei of a material sample absorb and emit electromagnetic alternating fields in a constant magnetic field. By means of the spin-accurate, characterizing frequency shift caused by the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/08G01N24/08G01R33/32G01N24/10G01R33/24G01R33/30
CPCA61B5/082G01N24/08G01R33/323G01N24/10G01R33/302G01R33/24G01N33/22G01N33/497A61B5/097G01N21/645G01N21/6486G01N2021/6471G01R33/26G01R33/31
Inventor T.卢茨F.艾因泽勒K.卢克特R.勒尔弗
Owner ROBERT BOSCH GMBH
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