Mass Spectrometry is only computer assisted pattern recognition

Mass Spectrometry is only computer assisted pattern recognition

In our prior post, CRMs:  Reference materials and standards, we saw how the library is important in analytical chemistry.  It enables the analyst to compare the unknown to a known to arrive at an opinion that is often expressed as a conclusion.  We saw that there are many different commercial sources for these libraries.  In […]

Urine testing ain’t worth piss

Urine testing ain’t worth piss

Sorry for the title of the blog, but I wanted to get attention of potential readers. Almost as on queue with the prior post on “Pseudoscientists and snake oil salesmen in modern forensic science”, Minnesota launches itself into controversy.  Please watch the below so we can discus. Ok.  Trying to use first void urine as […]

What constitutes a “match” in forensic science?

What constitutes a “match” in forensic science?

The concept of a match at first look blush seems rather elemental.  However, if we really were to think of it, the concept is indeed fungible.  In forensic science, there is no universally held definition across all disciplines or even within a disciple as to what constitutes sufficient similarity to evoke that coveted and magic […]