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Title
A Field-Portable Bioanalysis System
Tuesday, July 11, 2017
Varouj Amirkhanian
Eric Tsai
Alice Lin
A portable bioanalysis system provides high resolution and high detection sensitivity, and is a cost-effective solution for the field detection of pathogens.
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A Handheld Personal Spectrophotometer for Instant Measurements in Life Science, Biomedical, and Environmental Applications
Friday, August 24, 2018
Dieter Trau
A handheld spectrophotometer offers high performance and seamless integration with cloud, web, and mobile computing in the modern laboratory.
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A High-Throughput Method for Routine Analysis of Pesticide Residues on Cannabis
Friday, January 20, 2017
David Egerton
Testing for pesticide residues in Cannabis must be sensitive, selective, fast and affordable. The method described in this article uses HPLC with triple-quadrupole mass spectrometry.
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A Moisture Absorbing Polymer for Solvent Extraction Applications
Tuesday, April 01, 2014
Chris Pohl
Kannan Srinivasan
Rahmat Ullah
Pranathi Perati
The moisture absorbing polymer consumable described in this article is designed to remove moisture from wet samples inline during extraction as well as from the post-extraction solvent extract.
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A Novel Sample Preparation Method for the Determination of Chloride in Bitumen Samples
Tuesday, April 01, 2014
Reynhardt Klopper
Accurate salt content determination in petrochemical products such as crude oil and bitumen is of utmost importance to petrochemical companies. The presence of salt (present as sodium chloride) ...
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A Portable Multiexcitation Dispersive Raman Spectrometer for Environmental Analysis
Thursday, February 14, 2013
Huawen (Owen) Wu
Jack Qian
Eric Bergles
Lin Chandler
Chemical examination and investigation for environmental analysis often demand portable, versatile, and real-time analytical techniques with high specificity and accuracy, and direct and noncontact ...
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A Tandem Approach to TOC Analysis in Drinking Water Treatment
Friday, August 07, 2015
John Welsh, Jr.
In 1974 Congress passed the Safe Drinking Water Act (SDWA) to regulate the nation’s drinking water supply.
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Application of Porous Nano-Calcium Titanate in Preconcentration of Heavy Metals in Water
Wednesday, October 15, 2014
Dong Zhang
Yan Li
Heavy metal pollution in water has been a public concern for decades.Heavy metals, which include lead, cadmium, mercury, chromium, zinc, copper, and nickel, are highly toxic with hidden pollution, ...
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ASTM-Approved Method for Simultaneous Determination of Total Nitrogen and Phosphorus in Wastewater by Ion Chromatography
Monday, October 02, 2017
Jeff Rohrer
Richard Jack
Brian De Borba
As natural elements in aquatic ecosystems, nitrogen and phosphorus support the growth of algae and aquatic plants, providing food and shelter for fish and other organisms.
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Automated Chromatographic Solid-Phase Extraction Using an Autosampler
Thursday, September 01, 2016
Mark Hayward
Jonathan Ho
Rick Youngblood
Matthew T. Hardison
Tom Moran
Kim Gamble
Solid-phase extraction (SPE) is a preferred tool for isolating target analytes from complex matrices because the availability of a diverse range of chromatographic sorbents enables targeted approaches...
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Automated Low-Background Solid-Phase Extraction of Perfluorinated Compounds in Water
Friday, February 22, 2019
Ruud Addink
Tom Hall
The automated extraction and analysis of perfluorinated compounds hold promise for environmental laboratories in the U.S.
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Automated Separation of Micro-Grains in a Mixed Solid Sample
Wednesday, April 13, 2016
Steven M. Barnett
Toshinori Maebayashi
Satoshi Takeshima
Areas such as industrial failure analysis, geology, geochronology and others that use solid-phase extraction, require accurate measurement of specific micro-grains, which are small particles mixed ...
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Automation of Soil Sampling Comes of Age: New Purge-and-Trap GC/MS Technology Gets it Right
Monday, December 22, 2014
Cynthia Elmore
A tractor trailer tanker truck with a full load of toxic chemicals traveling over a mountain pass veers off the road to avoid an oncoming vehicle; 6700 gallons of toxins begin to spill onto the bank, ...
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Calibration-Free Catalytic Microreactor for Analysis of Pesticides in Food
Wednesday, January 27, 2016
Charlie Spanjers
Paul Dauenhauer
Growers routinely test for pesticides in food.
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Choosing Conservation Over Conversion: The Great Helium Debate
Thursday, May 23, 2013
Frank Kandl
Reginald Bartram
In recent months, the growing shortage of helium has gained national attention and raised concerns of availability and cost among users. Laboratories in particular rely on helium for analytical ...
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Compact HPLC Systems for the Analysis of Pesticides, Dyes and Drugs
Friday, January 20, 2017
Vlad Orlovsky
Yury Zelechonok
Konstantin Tchalukov
The analyzer described in this article provides fast analysis of food dyes commonly used in products in the beverage and pharmaceutical industries, as well as high-resolution separation of a complex ...
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Comparison of ICP-QQQ and MP-AES to Alternative Atomic Spectroscopy Techniques
Friday, February 17, 2017
Shane Elliott
This article gives an overview of the various atomic spectroscopy techniques available to address a range of applications in environmental science, food and agriculture, life sciences and academic ...
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Detecting Trace-Level Pyrethroid Insecticides in Sewage and Ocean Sediments With GC-MS/MS
Wednesday, April 01, 2015
Joe Anacleto
As the use of pyrethroid insecticides continues to increase in the United States, it is becoming increasingly important to monitor levels of the compounds in environmental waters, river and ocean ...
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Determination of Palladium in Water and Geological Samples by Flame Atomic Absorption Spectrophotometry
Thursday, November 28, 2013
Dong Zhang
Qian-Wu Wang
The precious metal palladium has been widely applied in the electronics, aerospace, chemical, metallurgy, automobile engines, and pharmaceutical industries due to its corrosion resistance, oxidation ...
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Determination of Total Mercury Content in Wood Materials, Part 2: ICP-MS—A Multielement Method
Thursday, August 29, 2013
Heidi Fleischer
Kerstin Thurow
Even in minor concentrations, elemental mercury and inorganic and organic bound mercury can have harmful biological effects on organisms. Mercury and other toxic elements can enter the environment ...
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