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 is a go-to method for determining which molecules are in a sample. If security officers are faced with an unknown, possibly dangerous, substance, they don’t want to waste time ...

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 ...