[ANAL-LEC-SEMIS-02-PT3] REPORTING: NUCLEAR MAGNETIC RESONANCE

THIS FLASHCARDS IS ABOUT [ANAL] REPORTING QUESTIONS.

Wolfgang Pauli

Identify the scientist who proposed nuclear spin theory in 1924.

1. Nuclear Spin Theory

2. 1924

Wolfgang Pauli proposed the (1)____ Theory in (2)____.

1. Isidor Isaac Rabi

2. 1938

Identify the (1) scientist who first experimentally demonstrated NMR in (2)____.

1. Richard Ernst

2. 1966

Identify the (1) scientist who introduced Fourier Transform (FT) NMR in (2)____.

1. Felix Bloch and Edward Mills Purcell

2. 1946

Identify the (1) two scientists who demonstrated NMR in liquids and solids in (2)____.

Liquid Nitrogen

Identify the cryogenic liquid with a boiling point of –196 ℃ used as a thermal shield in NMR instruments.

-196 degrees Celsius

What is the boiling point of liquid nitrogen?

Liquid Helium

Identify the cryogenic liquid with a boiling point of –269 ℃ essential for superconductivity in NMR.

-269 degrees Celsius

What is the boiling point of liquid helium?

Air Lift

Identify the part of the NMR instrument that uses compressed air to move fragile sample tubes.

1. De La Salle University

2. 2018

Identify the (1) Philippine university that funded its first NMR system in (2)____.

1. Fabian M. Dayrit

2. National Chemistry Instrumentation Center

3. 1994

Identify the (1) Philippine chemist who established the (2)_______________ for NMR in (3)____.

Magnetic Resonance Imagine (MRI)

Identify the medical imaging technique that is based on NMR principles.

Nuclear Magnetic Resonance (NMR) Spectroscopy

A powerful analytical technique used to determine the structure and chemical environment of molecules.

Isidor Isaac Rabi

The scientist who first detected nuclear magnetic resonance in molecular beams.

Chemical Shift

A phenomenon in NMR that allows determination of molecular structures and chemical environments.

Richard Ernst

The scientist who introduced Fourier Transform NMR.

Sample Holder

A glass tube used to hold the sample in NMR spectroscopy.

Permanent Magnet

The component that provides a homogeneous magnetic field in NMR.

Recorder

The device that records the NMR signals received by the RF detector.

Readout System

A computer system that records and processes NMR data.

Quantitative NMR (qNMR)

A method used to verify the potency of a drug batch using NMR.

Magnetic Resonance Imaging (MRI)

A technique used in medicine that developed from the principles of NMR to produce images of the body.

Nuclear Magnetic Resonance (NMR)

It is a scientific technique used to study molecules using magnetic fields and radio waves.

1. Isidor Isaac Rabi

2. Molecular Beams

The (1) scientist who first demonstrated the principle of nuclear magnetic resonance in (2)____ in 1938.

Felix Bloch and Edward Mills Purcell

Two scientists who first observed NMR in liquids and solids in 1946.

Chemical Shift

A phenomenon discovered in 1950 where NMR frequency changes depending on the molecular environment.

Spin-Spin Coupling

The interaction between nearby nuclei that causes splitting of NMR signals.

Magnet

The component of an NMR instrument that produces a strong and uniform magnetic field.

Sample Tube

The thin glass container that holds the sample solution in NMR analysis.

Radiofrequency Transmitter

The device that sends radiofrequency energy to excite atomic nuclei in the sample.

Detector

The instrument component that detects signals released when nuclei return to their original state.

Magnetic Resonance Imagine (MRI)

A medical imaging technique developed from NMR and widely used in hospitals.