Jeffrey M. Perkel

Jeffrey Perkel has been a scientific writer and editor since 2000, and is a member of the National Association of Science Writers and the Association of Health Care Journalists. He holds a PhD in Cell and Molecular Biology from the University of Pennsylvania, and did postdoctoral work at the University

of Pennsylvania and at Harvard Medical School. Jeffrey Perkel's writing appears in several publications such as Nature, Nature Methods, Science, and Scientific American Online and he specializes in writing about laboratory technologies and methods.

Multiple Options for Accurate Cell Counts
Friday, April 26, 2013
There are many options available for those in the market for a manual or automated cell counter. Manual cell counters employ trypan blue staining using a microscope and a hemocytometer, while ... read more
Product Intelligence: Purchasing Guide to Microplate Readers
Tuesday, January 01, 2013
Microplate readers find application in a tremendous array of applications and across a wide range of disciplines such as proteomics, chemistry, and drug development. ELISAs, protein–protein ... read more
Overcoming the Challenges of Polymerase Chain Reaction
Wednesday, October 17, 2012
Multiplex PCR finds application in such areas as pathogen detection, forensics, gene expression analysis, and SNP genotyping. While the technique is both sensitive and economical and enhances ... read more
Pittcon® 2012 Roundup of Spectroscopy and Mass Spectrometry
Monday, May 07, 2012
This past March, some 15,754 people from 90 countries descended on Orlando, Florida, for the annual Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (Pittcon®). read more
New Elemental Analysis Techniques for the Analytical Chemistry Laboratory
Tuesday, March 06, 2012
The four basic analytical techniques commonly used for elemental analysis are atomic absorption (AA), inductively coupled plasma-mass spectrometry (ICP-MS), ICP-optical emission spectroscopy (ICP-... read more
Product Intelligence: Rheometry Buyers' Guide
Sunday, January 01, 2012
This article is a valuable guide to choosing a rheometer including application, ease of use, configurability, viscosity range, and geometry type. Among the basic types discussed are a rotational ... read more
Product Intelligence: X-Ray Fluorescence (XRF) Analyzers
Thursday, July 01, 2010
Whatever your application, when purchasing an XRF analyzer, it all comes down to application. Elemental composition (both the range of elements in your samples and their variability), sample size and ... read more