Mass spectrometry is an analytical method used to identify different compounds based on the atomic sample constitution of the molecules and their charge state, which enables “blind” analysis of an ...

How does Membrane Inlet Mass Spectrometry Work? Membrane Inlet Mass Spectrometry (MIMS) relies on the principles of mass spectrometry and the selective permeability of membranes that allow the passage ...

Host cell proteins or traces of them can be found in final products of biologics. This include antibodies, antigens, peptides, and proteins. Such products can be frequently used for vaccines and ...

Mass spectrometry has emerged as the leading technology for protein characterization. New instrumentation is more versatile and user friendly, expanding the application of mass spec technology to ...

Qualitative analysis serves as the foundation for compound identification. It focuses primarily on determining the elemental composition and structure of analytes within a sample. Identifying the ...

In Star Trek, Mr. Spock’s hand-held tricorder can instantly tell what something is made of. We don’t have tricorders yet, but we’re getting close. Portable devices just a little too big to hold in one ...

A version of this story appeared in Volume 94, Issue 22 Protein drugs, though, aren’t as simple to characterize as the small-molecule drugs that sit in most people’s medicine cabinets. Making sure ...