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Challenges in Microplastics Analysis: From Routine Laboratory Testing to Pushing the Boundary on Particle Sizes

Articles

This year’s recipient of the Coblentz Award, Wei Xiong of the University of California, San Diego, is being honored for his work. Spectroscopy spoke to Xiong about his work and his feelings about receiving this award.

Polaritons and What They Can Do: Talking With 2023 Coblentz Award Winner Wei Xiong

In this interview, Peter Griffiths, 2023 recipient of the Ellis R. Lippincott Award, reflects over his storied career, as well as his most recent work, which focuses on measuring fine airborne particles within mining environments.

Measuring Fine Airborne Particles Within Mining Environments: An Interview with 2023 Lippincott Award Winner Peter Griffiths

The effect of 0.5 M sulfuric acid on the structural changes of gelatin using peak deconvolution analysis and FT-IR spectra was investigated.

Determination of Sulfuric Acid Effects on Degradation and Structural Changes of Gelatin Using Fourier-Transform Infrared Spectroscopy and Peak Deconvolution Analysis

We examine the feasibility of FT-NIR for the detection of early fungal infections in citrus.

Detection of the Early Fungal  Infection of Citrus by Fourier Transform Near-Infrared Spectra

An examination of how Fourier transform infrared (FT-IR) spectroscopy analysis is conducted on ovalbumin (OVA) in different pH conditions with and without cosolvent sucralose (SUC) inclusion.

Impact of pH and Sucralose on the Non-Covalent Interaction of Ovalbumin: FT-IR Analysis 

In this short overview, we consider cases for diffuse reflection spectroscopy and introduce the Kubelka-Munk diffuse reflectance formula. We conclude by comparing diffuse transmittance, diffuse reflectance, logarithmic transforms of both, and the Kubelka-Munk transform for mid-infrared spectroscopy of the same sample.

A Brief Look at Optical Diffuse Reflection (ODR) Spectroscopy

A new FID-FM fusion model for infrared measurements of glucose in synthetic samples is proposed, comparing prediction performance to full PLS, SMR, XGBoost, CBR, and DSFPLS modeling methods.

Flexible Stacked Partial Least Squares for Mid-Infrared Spectroscopy Glucose Detection

ATR-FT-IR spectroscopy can provide rapid and portable measurements in forensic applications, demonstrating its ability to rapidly detect biomarkers and the presence of cocaine in fingernails.

The Detection of Biomarkers and Cocaine in Fingernails Using Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy

Scientists have investigated the sorption mechanism of organic compounds on a mineral composite sorbent using infrared spectroscopy providing insights for the development of effective wastewater purification methods.

Infrared (IR) Spectroscopy