Difference between revisions of "Talk:Nomenclature"

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==Introduction==
 
==Introduction==
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This page provides definitions for many of the key terms and phrases used in NMR spectroscopy and context for more general terms with regard to their application within the field of NMR
  
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====Second level====
 
 
==Basic NMR terms==
 
==Basic NMR terms==
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===First level===
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====Chemical Shift====
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====Second level====
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====Dipolar coupling====
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==Experimental terms==
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====Free Induction decay====
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T1 relaxation      blah blah blah
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====Integral====
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====NMR====
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====NMR Spectrum====
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====Multiplicity====
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====2D NMR====
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====Spin====
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====Spin-Spin coupling====
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====Spin-Spin Relaxation====
  
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==Validation terms==
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==Experimental terminology==
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==Further Reading==
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====Adiabatic pulse====
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The simplest example of a link is an intrawiki link, that is, a link to another page within the ValidNMR wiki, like [[qNMR]]. Only double brackets are needed. This link is called a 'redlink' at present, because the page doesn't exist yet.
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====Digital Filtering====
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====Echo====
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====Echo Time ( TE )====
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====Excitation====
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====Exchange, Chemical====
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====Exchange, Spin====
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====Free induction decay ( FID ) ====
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====Fourier transform ( FT ) ====
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====Gradient ( G )====
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====Gyromagnetic Ratio====
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====Imaginary Component====
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====Imaging Sequence====
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====Inversion Recovery Sequence====
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====Inversion Time (TI)====
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====K-Space====
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====Larmor frequency====
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====Lineshape====
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====Longitudinal Magnetization====
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====Lorentzian Lineshape====
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====Magnitude====
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====Magic Angle====
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====Magnetic Resonance Imaging (MRI)====
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====Net Magnetization Vector====
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====Non Uniform sampling====
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====Phasing====
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====Precession====
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====Pulse Sequence====
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====PFG: Pulsed Field Gradient====
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====Quadrature Detection====
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====Radiation Damping====
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====Raw data====
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====Real spectrum====
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====Repetition Time====
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====Resonance====
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====RF Coil====
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====RF Pulse====
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====Rotation Matrix====
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====Sample Probe====
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====Spin Density====
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====Spin-Echo====
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====Spin-Lattice Relaxation====
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====Spin-Lattice Relaxation Time ( T1 )====
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====Spin Packet====
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====Spin-Spin Relaxation Time====
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====Sinc Pulse====
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====Superconductivity====
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====T2* ====
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====Transverse magnetization====
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====Window Function====
  
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Interwiki links (like linking to the Wikipedia entry for NMR, requires a few more keystrokes. Note that we always have double brackets, but this time we 'call out' the Wikipedia entry by starting with 'wikipedia:'. Following that, you type 'nuclear magnetic resonance spectroscopy', which is the name of the Wikipedia page. If you want the embedded link to say 'nuclear magnetic resonance spectroscopy', you end the line with a pipe symbol | right before the closing double brackets. If not, you type the text that you wanted displayed AFTER the pipe symbol.
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==Experiments==
 +
====APT: Attached Proton Test====
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====COLOC: Correlation through Long-Range Coupling====
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====COSY: Correlation Spectroscopy====
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====DEPT: Distortionless Enhancement by Polarisation Transfer====
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====DEPTQ: DEPT with retention of Quaternaries====
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====DIPSI: Decoupling or mixing sequence====
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====DOSY: Diffusion Ordered Spectroscopy====
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====DPFGSE excitation: Double Pulsed Field Gradient Spin-Echo excitation====
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====DPFGSE-NOESY:DPFGSE-TOCSY====
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====DQF-COSY: Double-Quantum Filtered Correlation Spectroscopy ====
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====Excitation sculpting:====
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====EXSY: Exchange Spectroscopy====
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====GARP: Broadband Decoupling Sequence====
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====HETCOR: Heteronuclear Shift Correlation (or HETERO-COSY)====
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====HMBC: Heteronuclear Multiple-Bond Correlation====
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====HMQC: Heteronuclear Multiple-Quantum Correlation====
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====HMQC-TOCSY: Heteronuclear Multiple-Quantum Correlation with additional TOCSY transfer====
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====HOESY: Heteronuclear Overhauser Effect Spectroscopy====
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====HOHAHA: Homonuclear Hartmann-Hahn Spectroscopy====
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====HSQC: Heteronuclear Single Quantum Correlation====
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====HSQC-TOCSY: Heteronuclear Single Quantum Correlation with additional TOCSY transfer====
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====HSQMBC: Heteronuclear Single Quantum Multiple-Bond Correlation====
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====H2BC: Heteronuclear Multiple-Bond Correlation over two bonds====
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====INEPT: Insensitive Nuclei Enhanced by Polarization transfer====
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====J-MOD: J-modulated spin-echo====
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====J-RES: J-Resolved Spectroscopy====
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====NOE: Nuclear Overhauser Effect====
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====NOE DIFF: NOE Difference Spectroscopy====
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====NOESY: Nuclear Overhauser Effect Spectroscopy====
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====ROESY: Rotating-Frame NOE Spectroscopy====
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====STD: Saturation Transfer Difference====
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====TOCSY: Total Correlation Spectroscopy ====
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====TOSS====
 +
====WALTZ: Broadband Decoupling Sequence====
 +
====WATERGATE: Water suppression through gradient tailored excitation====
 +
==Validation terms - as they pertain to NMR==
 +
====Accuracy====
 +
====Bias====
 +
====Linearity====
 +
====Measurement uncertainty====
 +
====Precision====
 +
====Repeatability====
 +
====Robustness====
 +
====Selectivity====
 +
====Sensitivity====
  
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Examples:<br>
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==Further Reading==
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This example links to the Wikipedia entry for [[wikipedia:nuclear magnetic resonance spectroscopy|nuclear magnetic resonance spectroscopy]].<br /> This example links to the same page, but the displayed text on our page is [[wikipedia:nuclear magnetic resonance spectroscopy|NMR]].<br /> Note that both links point to the same page.
 
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Line breaks are special. <br>
 
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How should we define [[wikipedia:chemical shift|chemical shift]]?<br />
 
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''Text is italicized by enclosing with two single apostrophe marks.''<br />
 
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'''Text is made bold by enclosing in three single aposptrophe marks.'''<br />
 
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==Basic NMR techniques==
 
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[[File:NMR sample.JPG|thumb|right|200px|The NMR sample is prepared in a thin-walled glass tube - an [[NMR tube]].]]
 
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===Resonant frequency===
 
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When placed in a magnetic field, NMR active nuclei (such as <sup>1</sup>H or <sup>13</sup>C) absorb [[electromagnetic radiation]] at a frequency characteristic of the [[isotope]].<ref>{{Cite journal|url=http://www.jaoa.org/content/106/1/23.full|last1=Shah|first1=N|last2=Sattar|first2=A|last3=Benanti|first3=M|last4=Hollander|first4=S|last5=Cheuck|first5=L |title=Magnetic resonance spectroscopy as an imaging tool for cancer: a review of the literature.|journal=The Journal of the American Osteopathic Association |volume=106 |issue=1 |pages=23–27 |date=January 2006 |pmid=16428685}}</ref>  The resonant frequency, energy of the absorption, and the intensity of the signal are proportional to the strength of the magnetic field. For example, in a 21 [[Tesla (unit)|Tesla]] magnetic field, [[proton]]s resonate at 900&nbsp;MHz. It is common to refer to a 21 T magnet as a 900 [[Megahertz|MHz]] magnet, although different nuclei resonate at a different frequency at this field strength in proportion to their [[nuclear magnetic moment]]s.
 
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'''Time to start editing!'''
 

Latest revision as of 10:00, 18 May 2017


Contents

Introduction

This page provides definitions for many of the key terms and phrases used in NMR spectroscopy and context for more general terms with regard to their application within the field of NMR

Basic NMR terms

Chemical Shift

Dipolar coupling

Free Induction decay

Integral

NMR

NMR Spectrum

Multiplicity

2D NMR

Spin

Spin-Spin coupling

Spin-Spin Relaxation

Experimental terminology

Adiabatic pulse

Digital Filtering

Echo

Echo Time ( TE )

Excitation

Exchange, Chemical

Exchange, Spin

Free induction decay ( FID )

Fourier transform ( FT )

Gradient ( G )

Gyromagnetic Ratio

Imaginary Component

Imaging Sequence

Inversion Recovery Sequence

Inversion Time (TI)

K-Space

Larmor frequency

Lineshape

Longitudinal Magnetization

Lorentzian Lineshape

Magnitude

Magic Angle

Magnetic Resonance Imaging (MRI)

Net Magnetization Vector

Non Uniform sampling

Phasing

Precession

Pulse Sequence

PFG: Pulsed Field Gradient

Quadrature Detection

Radiation Damping

Raw data

Real spectrum

Repetition Time

Resonance

RF Coil

RF Pulse

Rotation Matrix

Sample Probe

Spin Density

Spin-Echo

Spin-Lattice Relaxation

Spin-Lattice Relaxation Time ( T1 )

Spin Packet

Spin-Spin Relaxation Time

Sinc Pulse

Superconductivity

T2*

Transverse magnetization

Window Function

Experiments

APT: Attached Proton Test

COLOC: Correlation through Long-Range Coupling

COSY: Correlation Spectroscopy

DEPT: Distortionless Enhancement by Polarisation Transfer

DEPTQ: DEPT with retention of Quaternaries

DIPSI: Decoupling or mixing sequence

DOSY: Diffusion Ordered Spectroscopy

DPFGSE excitation: Double Pulsed Field Gradient Spin-Echo excitation

DPFGSE-NOESY:DPFGSE-TOCSY

DQF-COSY: Double-Quantum Filtered Correlation Spectroscopy

Excitation sculpting:

EXSY: Exchange Spectroscopy

GARP: Broadband Decoupling Sequence

HETCOR: Heteronuclear Shift Correlation (or HETERO-COSY)

HMBC: Heteronuclear Multiple-Bond Correlation

HMQC: Heteronuclear Multiple-Quantum Correlation

HMQC-TOCSY: Heteronuclear Multiple-Quantum Correlation with additional TOCSY transfer

HOESY: Heteronuclear Overhauser Effect Spectroscopy

HOHAHA: Homonuclear Hartmann-Hahn Spectroscopy

HSQC: Heteronuclear Single Quantum Correlation

HSQC-TOCSY: Heteronuclear Single Quantum Correlation with additional TOCSY transfer

HSQMBC: Heteronuclear Single Quantum Multiple-Bond Correlation

H2BC: Heteronuclear Multiple-Bond Correlation over two bonds

INEPT: Insensitive Nuclei Enhanced by Polarization transfer

J-MOD: J-modulated spin-echo

J-RES: J-Resolved Spectroscopy

NOE: Nuclear Overhauser Effect

NOE DIFF: NOE Difference Spectroscopy

NOESY: Nuclear Overhauser Effect Spectroscopy

ROESY: Rotating-Frame NOE Spectroscopy

STD: Saturation Transfer Difference

TOCSY: Total Correlation Spectroscopy

TOSS

WALTZ: Broadband Decoupling Sequence

WATERGATE: Water suppression through gradient tailored excitation

Validation terms - as they pertain to NMR

Accuracy

Bias

Linearity

Measurement uncertainty

Precision

Repeatability

Robustness

Selectivity

Sensitivity

Further Reading

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