By Kevin Shanks, D-ABFT-FT Pharmacodynamics (PD) is the study of the effect of substances on the body. The word is derived from Greek – Pharmakon and dynamikos which means “force” or “power”. PD includes concepts such as receptor affinity, receptor activity, and...
By Kevin Shanks, D-ABFT-FT Many forensic toxicology tests are qualitative and provide a positive-negative or present-not detected result. The interpretation of those results is relatively simple. A substance is there or it is not. But, a quantitative test with a...
By Matt Zollman, Director of Operations and Product Management From time to time, circumstances such as weather or pandemics can cause shipment delays. Here are some Best Practices to keep in mind as you prepare and track your packages: Submissions: Submit smaller,...
By Kevin Shanks, D-ABFT-FT Pharmacokinetics (PK) is the study of what the body does to a substance. The word is derived from Greek – Pharmakon which means “drug” and kinetikos which means “moving”. PK consists of four areas – absorption, distribution, metabolism, and...
by Kevin Shanks, M.S., D-ABFT-FT Postmortem redistribution (PMR) is the phenomenon that occurs in blood drug concentrations after death as drug from anatomic sites of high drug concentration (e.g. organs such as the liver, lungs, and heart (myocardium)) is released to...
