Peaks of Interest-Scientists Develop Method for Identifying Gunshot Residue
May 1st 2008Scientists Jorn Chi Chung Yu, Garrett Lee Burleson, and colleagues in the Department of Forensic Science at Sam Houston State University in Texas have developed a new method for identifying gunshot residue without the presence of lead.
Performance Qualification of HPLC Instrumentation in Regulated Laboratories
May 1st 2008This article demystifies the qualification procedures and proposes a well designed, easy and simple set of experiments upon which to establish internal standard operating proceduresfor the complete qualification of HPLC instruments.
Dynamic Extraction: A High-Speed, High-Capacity Purification Process That is Rapidly Scalable
May 1st 2008The authors discuss a preparative process using the principles of countercurrent chromatography. This process is faster, capable of loadings from milligrams to hundreds of grams, and uses robust equipment.