一个标准的质谱仪由一个电离源、一个带有电场和磁场的飞行区和一个检测器组成。在入口处，样品被汽化，然后被电离。有时电离是通过在电子冲击过程中用电子轰击样品来进行。然而，其他电离方法，如质子转移或电喷雾电离，被视为 "软 "电离技术。硬电离技术，如电子撞击，会使完整的母分子电离并产生高度的碎片。一些...
What is a mass spectrum ? Protein Identification using Mass Spectrometry What is a mass spectrum ? Half massBinz, Pierrealain
10K Mass spectrometry is a substance from a crime scene that is analyzed by a mass spectrometer in order to find the molecular makeup. Explore how mass spectrometry can be used to identify all kinds of evidence such as cloths, glass, dyes, metals, and even human tissue. Related...
Mass spectrometry is an analytical technique used to determine molecular mass. Find out more about how mass spectrometry works and its applications.
Isotope and elemental mass spectrometry Natural isotope abundance is well-characterized. Though often thought to be stable, it can nevertheless display significant and characteristic variances.Isotope ratiomeasurements are used in metabolic studies (isotope-enriched elements serve as tracers) and...
A spectrometer is a device that measures a continuous, non-discrete physical characteristic by first separating it into a spectrum of its constituent components.
Mass spectrometry is a substance from a crime scene that is analyzed by a mass spectrometer in order to find the molecular makeup. Explore how mass spectrometry can be used to identify all kinds of evidence such as cloths, glass, dyes, metals, and even human tissue. ...
Another advantage of real-time PCR is that the bioinformatic analysis is less complex than for other technologies, such as sequencing and microarrays. You can use TaqMan 5'-nuclease chemistry to determine whether a given SNP is present in your sample. ...
Find out exactly what a laser is, how it works and the most common applications in our Spectral School article, What is a Laser?
When a product underperforms or fails, the next step is to understand why. Forensic analysis that includes materials characterization can lead to a deeper understanding of the root causes and inform the path to needed changes. When failures lead to legal cases, proper materials characterization can...