MindMap Gallery Classification of Mass Spectrometry
The classification of mass spectrometry includes ionization methods, mass analyzers, and applications. Ionization methods such as electron impact ionization and chemical ionization are used to convert sample molecules into ions. Mass analyzers like quadrupole mass analyzers and time-of-flight mass analyzers are used for ion separation and detection. Applications are vast, such as in proteomics and metabolomics, where mass spectrometry is utilized for qualitative and quantitative analysis of biomolecules.
Edited at 2024-12-09 09:21:32In the introduction section, elastin is a protein that plays a crucial role in the body, endowing tissues with elasticity and toughness. Its properties include high elasticity and good ductility. Elastin has a wide range of sources and is commonly found in animal connective tissues such as skin and blood vessels. When using elastin in products, the amount and method of addition should be determined based on the characteristics of the product. It has many uses and can be added to skincare products to enhance skin elasticity and reduce wrinkles; Improving food texture and enhancing taste in the food industry; In the medical field, it can be used to make elastic scaffolds such as artificial blood vessels, providing support for tissue repair. Reasonable use can play its unique value.
This document aims to guide the proper use of proteins. Proteins are the fundamental substances that make up life and are essential for maintaining normal physiological functions in the body, with a wide variety of types. When using protein, daily diet is an important source, such as meat, eggs, etc., which are rich in high-quality protein. Measuring protein intake can be done using professional tools or methods to ensure that the intake meets the body's needs. When mixing protein powder, it should be prepared according to the recommended ratio, and the water temperature should not be too high to avoid damaging the protein activity. Different groups of people have different protein requirements, such as athletes and fitness enthusiasts who can increase their intake appropriately to meet the needs of body repair and muscle growth.
Introduction to Unsaturated Polyester Resin: It is an important thermosetting resin with various excellent properties. It has a wide range of applications and is used in the construction industry to produce fiberglass products such as doors, windows, decorative panels, etc; Used in the automotive industry for manufacturing body components. The advantages of use include simple molding process, low cost, and chemical corrosion resistance. However, it also faces challenges and limitations, such as relatively poor heat resistance and susceptibility to aging. During use, corresponding protective measures should be taken according to specific application scenarios, such as adding heat-resistant agents, antioxidants, etc., to extend their service life and fully leverage their advantages.
In the introduction section, elastin is a protein that plays a crucial role in the body, endowing tissues with elasticity and toughness. Its properties include high elasticity and good ductility. Elastin has a wide range of sources and is commonly found in animal connective tissues such as skin and blood vessels. When using elastin in products, the amount and method of addition should be determined based on the characteristics of the product. It has many uses and can be added to skincare products to enhance skin elasticity and reduce wrinkles; Improving food texture and enhancing taste in the food industry; In the medical field, it can be used to make elastic scaffolds such as artificial blood vessels, providing support for tissue repair. Reasonable use can play its unique value.
This document aims to guide the proper use of proteins. Proteins are the fundamental substances that make up life and are essential for maintaining normal physiological functions in the body, with a wide variety of types. When using protein, daily diet is an important source, such as meat, eggs, etc., which are rich in high-quality protein. Measuring protein intake can be done using professional tools or methods to ensure that the intake meets the body's needs. When mixing protein powder, it should be prepared according to the recommended ratio, and the water temperature should not be too high to avoid damaging the protein activity. Different groups of people have different protein requirements, such as athletes and fitness enthusiasts who can increase their intake appropriately to meet the needs of body repair and muscle growth.
Introduction to Unsaturated Polyester Resin: It is an important thermosetting resin with various excellent properties. It has a wide range of applications and is used in the construction industry to produce fiberglass products such as doors, windows, decorative panels, etc; Used in the automotive industry for manufacturing body components. The advantages of use include simple molding process, low cost, and chemical corrosion resistance. However, it also faces challenges and limitations, such as relatively poor heat resistance and susceptibility to aging. During use, corresponding protective measures should be taken according to specific application scenarios, such as adding heat-resistant agents, antioxidants, etc., to extend their service life and fully leverage their advantages.
Classification of Mass Spectrometry
By Ionization Methods
Electron Ionization (EI)
Gas phase ionization
High energy electrons
Fragmentation pattern
Chemical Ionization (CI)
Soft ionization technique
Reagent gas used
Proton transfer reactions
MatrixAssisted Laser Desorption/Ionization (MALDI)
Soft ionization method
Laser beam used for desorption
Matrices for analyte protection
Electrospray Ionization (ESI)
Solution phase ionization
Charged droplets formation
Soft ionization for large molecules
Desorption Electrospray Ionization (DESI)
Ambient ionization technique
Direct ionization from surfaces
Minimal sample preparation
Atmospheric Pressure Chemical Ionization (APCI)
Gas phase ionization at atmospheric pressure
Corona discharge for ionization
Intermediate between EI and CI
By Mass Analyzers
Magnetic Sector
Masstocharge ratio separation
Curved path in magnetic field
Quadrupole
Radiofrequency and DC fields
Mass filtering
TimeofFlight (TOF)
Timebased mass separation
Pulse ionization
Fourier Transform Ion Cyclotron Resonance (FTICR)
High resolution mass analysis
Cyclotron motion of ions
Orbitrap
Masstocharge ratio determination
Electrostatic trapping of ions
By Mass Spectrometry Applications
Proteomics
Protein identification and quantification
Biomarker discovery
Metabolomics
Metabolite profiling
Disease diagnosis
Pharmaceutical
Drug discovery and development
Quality control
Environmental
Pollutant identification
Ecosystem monitoring
Forensic
Drug testing
Toxicology analysis
Food Safety
Contaminant detection
Nutritional analysis
By Coupling Techniques
Gas ChromatographyMass Spectrometry (GCMS)
Separation of volatile compounds
GC for compound separation
Liquid ChromatographyMass Spectrometry (LCMS)
Separation of nonvolatile compounds
LC for compound separation
Capillary ElectrophoresisMass Spectrometry (CEMS)
Separation based on chargetosize ratio
CE for compound separation
Ion Mobility SpectrometryMass Spectrometry (IMSMS)
Gas phase ion separation based on mobility
IMS for additional separation dimension
Tandem Mass Spectrometry (MS/MS)
Multiple stages of mass analysis
Structural elucidation of compounds
By Mass Range
Low Mass Range
Up to a few hundred Daltons
Suitable for small molecules
High Mass Range
Thousands to millions of Daltons
Used for large biomolecules
By Resolution
Low Resolution Mass Spectrometry
Unit mass resolution
Fast analysis
High Resolution Mass Spectrometry
Accurate mass measurement
Isotope pattern analysis
By Data Acquisition Mode
Full Scan
Scanning of all masses
Broad spectrum analysis
Selected Ion Monitoring (SIM)
Focusing on specific ions
Increased sensitivity
Multiple Reaction Monitoring (MRM)
Monitoring of specific ion transitions
Quantitative analysis of targeted compounds