関連する実験動画

Updated: Feb 6, 2026

Sample Preparation for Metabolic Profiling using MALDI Mass Spectrometry Imaging
09:08

Sample Preparation for Metabolic Profiling using MALDI Mass Spectrometry Imaging

Published on: December 22, 2020

7.2K

マススペクトロメトリーとイメージングのための新しい二次モードマトリックスとしての結合ポリマー

Kilian Horatz1,2, Marco Giampà3, Yevhen Karpov1

  • 1Institute of Macromolecular Chemistry , Leibniz-Institut für Polymerforschung Dresden e.V. , Hohe Straße 6 , 01069 Dresden , Germany.

Journal of the American Chemical Society
|August 9, 2018
PubMed
まとめ

5つの結合ポリマーが,マトリックスアシストレーザー脱吸収/イオン化質量スペクトロメトリ (MALDI MS) のマトリックスとして調査された. これらの新しいマトリクスは,MALDI MSイメージングを含む低分子量化合物の分析のための二次イオン化と優れた性能を示しています.

さらに関連する動画

MALDI Imaging Mass Spectrometry of Neuropeptides in Parkinson's Disease16:57

MALDI Imaging Mass Spectrometry of Neuropeptides in Parkinson's Disease

Published on: February 14, 2012

26.9K
Whole-cell MALDI-TOF Mass Spectrometry is an Accurate and Rapid Method to Analyze Different Modes of Macrophage Activation11:25

Whole-cell MALDI-TOF Mass Spectrometry is an Accurate and Rapid Method to Analyze Different Modes of Macrophage Activation

Published on: December 26, 2013

9.3K

関連する概念動画

MALDI-TOF Mass Spectrometry01:19

MALDI-TOF Mass Spectrometry

Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.Matrix-assisted laser desorption ionization (MALDI) is a commonly...
6.9K
Mass Spectrometry: Overview01:19

Mass Spectrometry: Overview

Mass spectrometry is an analytical technique used to determine the molecular mass and molecular formula of a compound. The basic principle of mass spectrometry is to generate ions from the analyte molecule and measure these ion abundances against their molecular mass. One common type of ionization, known as electron ionization or EI, bombards the analyte molecules in the gas phase with high-energy electron beams. The electron beams displace an electron from the molecule and leave behind a...
8.9K
Tandem Mass Spectrometry01:21

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...
2.5K
Mass Spectrometry: Isotope Effect01:13

Mass Spectrometry: Isotope Effect

Most elements exist in nature as a mixture of isotopes. The isotopes differ in weight due to their respective number of neutrons. The molecular weight of a molecule is different depending on the specific isotope of its elements involved. As a result, the mass spectrum of the molecule exhibits peaks from the same fragment at multiple positions. The positions of these mass signals depend on the mass differences between isotopes. Furthermore, the intensity of these signals is dependent on the...
4.3K
Mass Spectrometry of Amines01:15

Mass Spectrometry of Amines

In mass spectroscopy, amines undergo fragmentation to give parent ions with odd molecule weights. This observed mass spectrum follows the nitrogen rule; a molecule with an odd number of nitrogen atoms produces a molecular ion with an odd molecular weight. Amines undergo fragmentation through α cleavage, producing nitrogen-containing cations—iminium ions—and alkyl radicals. Mass spectra of aromatic and cyclic aliphatic amines exhibit strong molecular ion peaks, but acyclic...
5.4K
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the...
41.0K