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Choosing the Right Vacuum Pump for Your Application
Wednesday, March 13, 2019
Ross Palmer
With so many styles and capacities to choose from, knowing which vacuum pump will be right for your extraction lab can be challenging.
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Considerations for Replacing Deuterium Lamps in HPLC Systems
Thursday, March 14, 2019
Robert Pritchard
Mark Shapiro
The decision to replace a deuterium lamp for an HPLC system will depend on the evidence and the risk-to-reward ratio.
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Cloud-Point Extraction/Graphite Furnace Atomic Absorption Spectrometry for the Determination of Trace Rhodium in Water Samples
Thursday, March 14, 2019
Quan Han
Xiaohui Yang
Yaping He
Yanyan Huo
Jiangyan Wu
Longhu Yang
Huan Wang
A method for the determination of ultratrace rhodium by cloud point extraction coupled with graphite furnace atomic absorption spectrometry has been developed.
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Water Activity: The Key to Controlling Flavor and Safety in Natural Cannabis Products
Thursday, March 14, 2019
Robert L. Stevenson, Ph.D.
The many varieties and uses of cannabis present a new, complex issue for packaging and storage.
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On-Scene HAZMAT Response and Chemical Confirmation With GC/MS
Tuesday, March 27, 2018
Philip Tackett
Two situations are presented in which a person-portable GC/MS can be used to provide confirmatory chemical identification.
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Multistep Thermal Characterization of Liquid-Filled Capsules and Medication Packaging Using GC/MS
Friday, March 23, 2018
Karen D. Sam
Multistep thermal sampling allowed the analysis of both volatile and nonvolatile constituents directly to the gas chromatograph.
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Integrating GC/TOF Exposome Profiling and Genetic Disease Screening to Provide a Holistic Perspective on Honey Bee Health
Friday, March 23, 2018
Sassicaia J. Schick
Robert L. Broadrup
Christopher Mayack
Helen K. White
Anthony Macherone
The exposome generated by gas chromatography/quadrupole time-of-flight analysis was integrated with semiquantitative PCR disease screening to establish chemical profile signatures and associations ...
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Measures to Alleviate Fume Hood Noise
Thursday, March 22, 2018
Kang Chen
Hongbo Zhang
Wenjun Zhang
The focus of this study was to reduce aerodynamic noise generated from fume hoods.
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Why Choose A Cone Spindle for Viscosity Measurement?
Monday, March 26, 2018
Robert G. McGregor
Key considerations for selecting a rotational viscometer include how much sample material is available for testing, whether a broad range of shear rates used in the test method is important, whether ...
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UCMR4, Microcystins Analysis, and High-Resolution Mass Spectrometry for Confidence in Identity Confirmation
Monday, March 26, 2018
Craig Butt
April Quinn-Paquet
K.C. Hyland
Quantitation of a suite of microcystins and nodularin was demonstrated using LC-MS/MS on a QTOF system.
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Automated Liquid Handling Facilitates Immunofluorescence Assay Optimization
Tuesday, March 21, 2017
Wendy Goodrich
This article describes the high-resolution capability of an automated imager equipped with oil immersion microscope objectives.
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GC×GC-MSq: A New Tool in Arson Investigation
Tuesday, March 21, 2017
Clifford M. Taylor
A. Kirk Rosenhan
Joey M. Raines
Jose M. Rodriguez
Two-dimensional gas chromatography-quadrupole mass spectrometry (GC×GC-MSq) is a powerful tool for complex arson analysis.
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Identifying Whiskey Adulteration by GC/MS Through Chemical Profiling and Differential Analysis
Tuesday, March 21, 2017
Paul Silcock
Dominic Roberts
Jana Hajslova
Jana Pulkrabova
GC/MS used with statistical analysis and structural elucidation software rapidly determines the complex chemical composition of whiskies.
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Individual Cell Analysis for Protein Expression and Cell Health Markers
Tuesday, March 21, 2017
Robin T. Clark
The Muse instrument uses microcapillary fluidics and preoptimized reagents to create an inexpensive, compact, portable cell analyzer that requires minimal setup and no expertise to operate.
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Design and Use of Multiplex Immunoassays Based on Oligonucleotide Tethering
Tuesday, March 21, 2017
Robert S. Matson
Oligonucleotide tethering offers an unconventional approach to antibody immobilization.
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Securing the Energy Future: Work Flow Solutions for Biodiesel Quality Control
Monday, May 23, 2011
Paul Wheeler
The global energy crisis is starting to have a significant impact on the world economic climate.
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GC Analysis of Sulfur Components in Propylene Using a Pulsed Flame Photometric Detector
Monday, May 23, 2011
Helena Jacobse
Hydrogen sulfide (H2S), carbonyl sulfide (COS), and methyl mercaptan (CH3SH) are common components in light hydrocarbon streams.
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Performance-Tested Controlled Atmosphere Glove Boxes
Tuesday, February 01, 2011
Bob Applequist
Enhanced particulate containment is an important feature of Protector® Filtered Glove Boxes (Labconco Corp., Kansas City, MO).
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A High-Purity Water System for Pharmaceuticals Testing
Tuesday, February 01, 2011
Nick Armstrong
When Velesco Pharmaceutical Services needed high-purity water for research laboratories at its new facility in Plymouth, MI, it chose a water treatment system that would provide affordable HPLC-grade ...
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Portable Visible Absorption Spectrometry: Two Dimensions Instead of One
Wednesday, September 10, 2014
Alexander Scheeline
Think of a visible absorption spectrometer or a visible fluorimeter. What do you see? A scanned diffraction grating and photomultiplier?
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