Author Archives: kyle

Correlation Vs. Multivariate Algorithms for Material Identification

This article discusses the two most common approaches used for on-board analysis on handheld Raman spectrometers; Hit Quality Index (HQI) and significance level (p-value), with specific examples for the use of each algorithm. Continue reading

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Discrimination of Bacterial Growth Media

Article on using B&W Tek’s NanoRam handheld Raman spectrometer to distinguish highly-fluorescent biological samples without the use of surface-enhanced Raman scattering. Continue reading

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Identification of Legal Highs using Handheld Raman Spectroscopy

B&W Tek’s NanoRam was used in a study focused on Raman spectroscopy as a rapid and powerful tool for critical applications in forensic science. The advantage of Raman spectroscopy is that the Raman signal is often selective to pharmacologically active drug substances. Continue reading

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New Article in the Journal of Raman Spectroscopy

This research article discusses using surface-enhanced Raman spectroscopy (SERS) to detect & identify traces of pentaerythritol tetranitrate (PETN), ethylene glycol dinitrate (EGDN), cyclotrimethylene-trinitramine (RDX) & trinitrotoluene (TNT) using commercially available substrates… Continue reading

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App Note: Quantitative Analysis of Tertiary Mixtures

Application note on using Raman spectroscopy to develop a quantitative calibration model to determine the glucose, fructose and sucrose concentrations in a tertiary aqueous mixture. Continue reading

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Tip of the Week: 05/14

For field applications like geological or archeological studies, use DC power on any B&W Tek portable Raman spectrometer for battery operation mode. Continue reading

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Miniature Spectrometer Designs Open New Applications Potential

This article, published in LaserFocusWorld’s May issue, discusses the fundamental principles of miniature spectrometers and how recent developments have opened up the technology to applications that were previously beyond their capability. Continue reading

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Educational Video Series: Episode 6 – Raman Spectroscopy

In this season finale episode of B&W Tek’s Educational Video Series we discuss Raman. Our discussion will include an introduction … Continue reading

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Tip of the Week: 04/25

For easy alignment and extra stability when measuring transmission through a large piece of glass or plastic, you can remove the center piece on B&W Tek’s adjustable cuvette holder and insert your sample between the two collimating optics. Continue reading

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Raman Spectroscopy Tackles Pharmaceutical Raw Materials

Today’s Raman instrumentation is faster, more rugged and less expensive, and advances in component miniaturization have led to the design of high-performance, portable, handheld devices. These handheld devices are particularly well-suited for pharmaceutical applications. Continue reading

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