Antonios Tasoglou, Ph.D. Joins RJ Lee Group as PTR-MS Specialist

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RJ Lee Group has announced that Antonios Tasoglou, Ph.D. has joined the company as Senior Scientist and PTR-MS Specialist (proton transfer reaction. Dr. Tasoglou has worked with several organizations to conduct research for atmospheric pollution in the gas and particles phases. His work also includes extensive air quality measurements for the European Research Council ATMOPACS […]

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Particle Sampling in Space: A New Frontier

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Why are we sampling particles in space? Our understanding of the living conditions astronauts experience in the International Space Station (ISS) may be colored by our exposure to science fiction. Based on this experience, you might assume that an unknown airborne substance in a spacecraft was of alien origin, seeping in by accident or on […]

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Presence of Mercury Indicates Potentially Counterfeit Version of Medication

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A client recently approached RJ Lee Group with a suspected counterfeit version of their patented injectable medication. Unlike the cloudy solution the company produces, the two samples provided were more translucent, almost clear. The client was concerned that the samples were either a counterfeit or contaminated version of their product, and asked our laboratory to […]

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Steel and Nitriding: XPS vs SEM – Which is the Correct Tool to Use?

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  • 9:21AM Dec 10, 2015
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This is the second in a series of blog posts on X-ray photoelectron spectroscopy (XPS) by Dr. Jerry LaSalle, an expert in XPS surface analysis and physical and powder metallurgy. Dr. LaSalle’s areas of concentration include stainless steel passivation qualification, metallurgical failure analysis, additive manufacturing, and powder metallurgy consultation. XPS determines nitrogen chemistry and depth of […]

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Graphene – Carbon’s Fascinating Allotrope

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  • 1:04PM Oct 22, 2015
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Article by Mark Sparrow This article discussing graphene in Raman spectroscopy is the second in a series of  posts by Scientist Mark Sparrow, an expert in Raman Spectroscopy analysis, electron and optical microscopy, EDS, FTIR spectroscopy, thermal methods and mercury porosimetry.  Carbon has the most allotropes, which are forms of carbon that differ from each […]

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RJ Lee Group Opens New Southpointe Location in Canonsburg, PA

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  • 3:49PM Sep 28, 2015
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RJ Lee Group is proud to announce its new Southpointe location in Canonsburg, PA. The Southpointe development is quickly becoming known as the center of the Marcellus Shale industry, and is about an hour from RJLG’s Monroeville headquarters outside Pittsburgh, Pa. The base for our Information and Software Services department, the new office is in […]

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How Raman Spectroscopy Identifies the Polymorphs of Silica (SiO2)

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  • 9:00AM Sep 02, 2015
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Article on crystalline silica by Mark Sparrow, an expert in Raman Spectroscopy analysis, electron and optical microscopy, EDS, FTIR spectroscopy, thermal methods and mercury porosimetry. Why is it Important to Identify the Polymorphs of Crystalline Silica? Silicon dioxide, or crystalline silica, is one of the most common minerals on earth and is mostly obtained by the […]

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EBSD Challenges Conventional Asbestos Identification Methods

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  • 12:05PM Aug 05, 2015
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RJ Lee Group has a long history of providing high-quality asbestos analysis and litigation expertise, supported by the research of our subject matter experts.  Brian Bandli, Ph.D., a Principal Investigator with our materials group, presented a paper (Microscopy & Microanalysis, Vol. 20, pp. 1805-1816) that outlines how electron backscatter diffraction (EBSD) can successfully identify asbestos […]

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The Role of XPS in Determining the Quality of Stainless Steel Passivation

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  • 9:40AM Jul 15, 2015
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This blog post was written by Dr. Jerry LaSalle, an expert in XPS surface analysis and physical and powder metallurgy. Dr. LaSalle’s areas of concentration include stainless steel passivation qualification, metallurgical failure analysis, additive manufacturing, and powder metallurgy consultation. The surface of a bulk material is its window to the outside world, and its first point […]

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