1, liquid phase electrospray ionization mass spectrometry ESIMS:ESIMS is often used to analyze biological macromolecules, such as protein and nucleic acids. In the fields of biology and pharmacy, ESIMS occupies a large proportion, accounting for 50%.
2. pneumatic spray ionization mass spectrometry APCIMS:APCIMS is often used to analyze organic compounds, such as drugs, pesticides and environmental pollutants. In the field of environmental monitoring and medicine, APCIMS occupies a large proportion, accounting for 30%.
3. LC-MS: LC-MS is often used to analyze complex mixtures, such as natural products, food and blood. In the field of food and natural medicine, LCMS accounts for 30%.