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In our October issue:
COLUMNS
HISTORY OF CHROMATOGRAPHY
A Focus on Wolfgang Lindner
Professor Wolfgang Lindner speaks to Kevin A. Schug about his inspiring and influential career in chromatography. |
LC TROUBLESHOOTING
Avoiding Injection Problems
Both the volume of the sample injection and the solvent in which the sample is dissolved can affect the appearance of the chromatogram. John Dolan explains more. |
GC CONNECTIONS
Electronic Control of Carrier Gas Pressure, Flow, and Velocity
Have you wondered how your GC system sets and controls gas pressures, flows, and carrier gas velocities electronically? Here, John Hinshaw describes the requirements for and the operation of electronic gas control systems for GC columns and detectors. |
MS – THE PRACTICAL ART
Quantifying Proteins In Complex Biological Samples Using MS
The quantification of proteins in a complex biological sample is an important and challenging task. Mass spectrometry (MS) is increasingly used for this purpose, not only to give a global survey of the components and their amounts, but also to precisely and accurately quantify specific target proteins. The authors review the essential elements of MS approaches to protein quantification and critically compare the available options. |
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PEER-REVIEWED ARTICLES
Simultaneous Determination of Inorganic Ions in River Water by HPLC–ICP–MS
A simple and rapid method for the simultaneous separation and determination of the inorganic ionic forms of As(III), As(V), Sb(III), Sb(V), Tl(I), and Tl(III) in river water samples is described. |
The Advantages of Saliva Sampling in Bioanalysis Using Microextraction by Packed Sorbent and Dried Saliva Spot with LC–MS–MS
In this article, two sample handling and sample preparation methods for saliva samples are presented and discussed. Both methods were applied for determining the presence of lidocaine in saliva. |
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