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In nuclear magnetic resonance (NMR) spectroscopy, the chemical shift is the resonant frequency of an atomic nucleus relative to a standard in a magnetic field. Often the position and number of chemical shifts are diagnostic of the structure of a molecule. Chemical shifts are also used to describe signals in other forms of spectroscopy such as…
The analysis highlights Standards, Factors causing chemical shifts and Chemical shift referencing as prominent areas in the source structure around Chemical shift.
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Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around Chemical shift shows recurring relationship patterns in the source. For example, Chemical shift → Both, External, If, In, Indirect, Internal, Magnetic, NMR, Practically, Problems, Similar, Substitution, The, With Another extracted example is Chemical shift → Bonding, Circular, Electron-donating, Lenz's, Not, Nuclei, The, This, Trends, When. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
chemical shift field magnetic nmr nucleus frequency reference resonance referencing also used nuclei shifts ppm sample electron external induced 1h
TTTA extracted 59 structured relationships around Chemical shift. Examples in this analysis include Chemical shift → is a → resonant frequency of an atomic nucleus relative to a standard in a magnetic field and photoemission spectroscopy.Some atomic nuclei possess a magnetic moment → instance of → Chemical shifts are also used to describe signals in other forms of spectroscopy. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Chemical shift | is a | resonant frequency of an atomic nucleus relative to a standard in a magnetic field | 0.90 | text |
| photoemission spectroscopy.Some atomic nuclei possess a magnetic moment | instance of | Chemical shifts are also used to describe signals in other forms of spectroscopy | 0.80 | text |
| nitro groups lead to deshielding of the nucleus | instance of | lead to increased shielding whereas electron-withdrawing substituents | 0.80 | text |
| proteins | instance of | which has a spin of 0 and therefore is NMR-inactive.15N because of being a key component of important biomolecules | 0.80 | text |
| DNA19F because of high relative sensitivity31P because of frequent occurrence in organic compounds | instance of | which has a spin of 0 and therefore is NMR-inactive.15N because of being a key component of important biomolecules | 0.80 | text |
| moderate relative sensitivity Chemical shift manipulationIn general | instance of | which has a spin of 0 and therefore is NMR-inactive.15N because of being a key component of important biomolecules | 0.80 | text |
| the associated increased signal-to-noise | instance of | which has a spin of 0 and therefore is NMR-inactive.15N because of being a key component of important biomolecules | 0.80 | text |
| resolution has driven a move towards increasingly high field strengths | instance of | which has a spin of 0 and therefore is NMR-inactive.15N because of being a key component of important biomolecules | 0.80 | text |
| Chemical shift | has method | Practically | 0.60 | section |
| Chemical shift | has method | NMR | 0.60 | section |
| Chemical shift | has method | Indirect | 0.60 | section |
| Chemical shift | has method | Both | 0.60 | section |
The concept neighborhoods around Chemical shift bring nearby vocabulary together. In this analysis, examples include Shift, Nmr and Shifts. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Chemical shift, one of the stronger structural bridges in this analysis connects Chemical shift with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Chemical shift to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Standards, Factors causing chemical shifts & Chemical shift referencing, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Chemical shift · EN edition · Analysis: TopicsToTalkAbout