June/July 2017
Volume 49, Number 5
HPLC with triple-quadrupole mass spectrometry is part of a robust method used to test for pesticide residues in Cannabis. Also described in this issue is a workstation that makes Raman accessible, featuring a simple interface for students to measure and interpret data.
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Table of Contents
Robert L. Stevenson, Ph.D.
I’ve been studying the Kahekili reef on the west shore of Maui since the 1970s.
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Paul C. Winkler, David Egerton, Craig Butt, April Quinn-Paquet, K.C. Hyland, Phil Taylor, David Monk
High-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) has emerged as the method of choice for pesticide analysis because it offers superior selectivity, sensitivity, and ...
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Michael Bradley, Steve Lowry
Two sets of analyses are presented—one involving liquid filtration and the other examining particulate residues in food items—using a simple-to-operate FTIR microscope and attenuated total reflection ...
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Stephanie Schuster, Richard A. Henry
This article describes a new approach for selecting optimum column pores for separating large molecules without losing high performance.
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Mike May
Nanoscale—or smaller—structures plus other features of materials can be analyzed with SPM technology.
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Philipp Wenter
A DNA synthesis platform addresses the need for smaller-scale oligo production without sacrificing quality, accuracy or turnaround time.
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Frank J. Yang, Gerard Pereira, Liang Don Chen
Raman spectroscopy is a nondestructive, extremely fast and low-cost option for gemstone analysis.
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David Moonay
Proper equipment selection may allow significantly different materials to be tested with one machine and geometry, merely by changing the testing speed or shear rate.
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Mike May
With the right equipment, software, and operator, TGA-MS can reveal the characteristics of many materials and processes.
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Stanley N. Deming
The phrase “limit of detection” sounds so simple, yet it leads to one of the biggest, murkiest, most frustrating swamps in the statistical literature.
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The latest ductless filtered fume enclosures are a vital resource in the safe and effective operation of modern industrial, educational, hospital, forensic, and pharmaceutical scientific laboratories.
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