Infrared (IR) Spectroscopy

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Dr. Rajinder Singh, Professor and former Head of the Department of Forensic Science, Punjabi University in Patiala, Punjab, India. Photo Credit: Rajinder Singh

As part of “The Future of Forensic Analysis” content series presented by Spectroscopy, we sat down with Dr. Rajinder Singh of Department of Forensic Science, Punjabi University, Patiala, to talk about his recent work using attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FT-IR) to distinguish different animal species based on hair samples.

The Latest Spectroscopic Research in Agriculture Analysis ©  Dzikir - stock.adobe.com

Spectroscopic analytical techniques are crucial for the analysis of agricultural products. This review emphasizes the latest advancements in several key spectroscopic methods, including atomic, vibrational, molecular, electronic, and X-ray techniques. The applications of these analytical methods in detecting important quality parameters, adulteration, insects and rodent infestation, ripening, and other essential applications are discussed.

AI-Powered Spectroscopy in Rapid Food Analysis ©  Lila Patel - stock.adobe.com

A recent study reveals on the challenges and limitations of AI-driven spectroscopy methods for rapid food analysis. Despite the promise of these technologies, issues like small sample sizes, misuse of advanced modeling techniques, and validation problems hinder their effectiveness. The authors suggest guidelines for improving accuracy and reliability in both research and industrial settings.

The road workers' working group updates part of the road with fresh hot asphalt and smoothes it for repair. | Image Credit: © Artem Zakharov - stock.adobe.com

A recent study highlights the critical role of Fourier transform infrared spectroscopy (FT-IR) in the qualitative and quantitative analysis of asphalt materials, focusing on its applications in quality control, material identification, and the analysis of modification and aging mechanisms.