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Title
Effective Techniques for Maintaining Test Sieves
Friday, August 09, 2019
Candace Blaker
As a sensitive technical instrument, it is essential to take proper care of sieves. If a sieve falls out of specification, it could adversely affect quality standards; however, a well-maintained sieve...
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Detection of Subvisible Particulates in Bioformulations to Ensure Safety
Monday, October 29, 2018
Kent Peterson
The biopharmaceutical industry exercises great care to ensure the long-term stability, efficacy, and safety of therapies, from formulation development to patient administration.
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Response Scene Chemical Confirmation with GC/MS
Friday, August 24, 2018
Philip Tackett
This article discusses a real-life scenario in which a person-portable GC/MS was used for on-site identification of an unknown substance that caused an adverse reaction.
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What Do Polymers, Pharmaceuticals, Foods, Metals, and Ceramics Have in Common? Differential Scanning Calorimetry
Tuesday, August 07, 2018
Kadine Mohomed
DSC data are used to determine reaction kinetics, heat capacity, compatibility of blends and alloys, purity, aging effects, impact of additives on crystallization, and more.
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Use of SEC–MALS–dRI–UV for Copolymer Characterization
Tuesday, June 12, 2018
Conventional techniques used to characterize polymers, such as NMR and size-exclusion chromatography/differential refractive index detection, are often labor intensive, complex to perform, and high in...
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Extending the Limits: Oil Immersion Flow Microscopy
Thursday, May 03, 2018
Chris Sieracki
An imaging flow microscope with properly configured oil immersion optics can be used to analyze samples with particles down to about 300 nanometers.
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Effects of Sodium Silicate on Self-Degradable Cementitious Composites
Wednesday, March 28, 2018
Xiuhua Zheng
Shiwei Yang
Zhongli Lei
Huijing Tan
Bairu Xia
Sodium silicate plays an important role in the hydration and self-degradation of geothermal temporary sealing materials, prepared by introducing sodium carboxymethyl cellulose (CMC) into sodium ...
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Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS
Wednesday, February 14, 2018
Rojin Belganeh
William Pipkin
Pyrolysis GC/MS has a wide variety of applications for identifying the organic composition of unknown samples by providing detail information about the compounds present in a sample.
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Product Contamination Visualization and Identification Using FTIR Microspectroscopy
Friday, September 29, 2017
David W. Schiering
Anthony W. Didomenico
John A. Seelenbinder
The identification of surface contamination particles on products is demonstrated using a new FTIR microspectroscopy accessory.
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Best Practices for Circulating Baths When Measuring Viscosity Temperature Profiles
Friday, September 29, 2017
Robert G. McGregor
Best practices are given to ensure that bath performance meets the laboratory's needs for precise temperature control.
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Using Raman Spectroscopy for Gemstone Analysis
Wednesday, June 07, 2017
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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Particulate Analysis of Liquid Filtration Materials and Residues in Food Using FTIR Microscopy
Thursday, June 01, 2017
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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Comparison of Crystallization Behavior of Different-Colored Polypropylene Parts Using a Single DSC Experiment
Friday, January 20, 2017
James A. Browne
A compositional analysis may explain the reasons for variations in processing behavior, but is time consuming and expensive. As an alternative, straightforward differential scanning calorimetry (DSC) ...
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Exploring the Value of GPC/SEC in Polysaccharide Characterization
Tuesday, September 27, 2016
Stephen Ball
Examples of polysaccharides, widely used as food additives and in certain medical applications, include derivatives of cellulose and starch, such as hydroxymethyl cellulose and maltodextrin, ...
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Considerations for Diffuse Reflection Spectroscopy
Thursday, September 01, 2016
Stacey Carrier
Reflected light allows us to perceive the world around us.
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Trace-Gas Analysis With Cantilever-Enhanced Photoacoustic Spectroscopy
Monday, July 25, 2016
Jaakko Lehtinen
Veli-Matti Kittilä
Aleksandra Karimaa
Ismo Kauppinen
Photoacoustic spectroscopy (PAS) is based on the conversion of optical energy to thermal energy.
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Getting the Complete Picture: How to Best Measure a Viscosity Flow Curve
Wednesday, July 13, 2016
John Duffy
The flow behavior, or rheology, of a product often defines its value and contributes to processability and ease of manufacture.
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Quantitative Nanoparticle Analysis Based on Resistive Pulse Sensing
Friday, June 24, 2016
Andrew N. Cleland
Jean-Luc Fraikin
Peter Meinhold
Franklin Monzon
Nanoparticle analysis is becoming a central part of pharmaceutical development.
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Real-Time Monitoring and Control of Polymer Properties
Thursday, May 26, 2016
Michael F. Drenski
Wayne F. Reed
Real-time analysis of polymer properties and reaction kinetics allows scientists to control the outcome of a polymerization process.
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Argon Humidifier Provides Uninterrupted, Maintenance-Free ICP Operation
Monday, April 11, 2016
Ryan Brennan
Jerry Dulude
Vesna Dolic
Dry argon is used as an ICP nebulizer gas to generate an aerosol and transport the sample to the plasma.
Read More
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