Near Infrared (NIR) Spectroscopy

A review highlights the transformative role of miniaturized near-infrared (NIR) spectrophotometers in forensic science, offering portable, cost-effective solutions for on-site analysis. These devices, while not without limitations, pave the way for more accessible and efficient forensic practices.

Food authentication is becoming increasingly important. In this article, the editors of Spectroscopy outline the methodology used in a recent study used to analyze paprika.

Food authentication is becoming increasingly important to ensure safety and quality. In the first part of this two part article, the editors of Spectroscopy provide an overview of the paprika industry and a study using Fourier transform near-infrared (FT-NIR) spectroscopy to validate the authenticity of paprika.

Researchers at Budapest University of Technology and Economics have developed a novel method for real-time monitoring of the protein purification process using Raman and near-infrared (NIR) spectroscopy. Their study compares the effectiveness of these two spectroscopic techniques in tracking the removal of imidazole, a process-related impurity, during the purification of the SARS-CoV-2 spike protein's receptor-binding domain (RBD).

A recent study compared ATR FT-IR and NIR spectroscopy to identify microplastics in biosolids, finding significant correlations with consumer plastics like polyethylene and polypropylene. These results highlight the role of biosolids in introducing microplastics to agricultural soils and accentuate the importance of accurate identification methods.

In agriculture, soil quality is integral to facilitating good farming practices and maximizing crop yield. A new study examines how visible-near-infrared (vis-NIR) spectroscopy is being used to evaluate soil quality.

A recent study from Sichuan, China, leveraged a few spectroscopic techniques with chemometrics to analyze key components of the beer brewing process.

A recent study from Yanshan University examined optical nanoantennas and how their properties change over across different configurations.

A recent study introduced a new scanning X-ray fluorescence (MA-XRF) scanner that improves analysis of cultural heritage artifacts.

Top articles this week include how spectroscopy is being used in education, athletics, and biology.

A recent study from the Yunnan Academy of Agricultural Sciences in China explored how five vibrational spectroscopic techniques are used to combat food adulteration.

In honor of the Paris 2024 Summer Olympics, the editors of Spectroscopy highlighted the impact of spectroscopy in athletic competitions by discussing a few recent studies in this space.

A recent study used visible-near-infrared spectroscopy (vis-NIR) to improve quantification of white blood cells.

Researchers have developed rapid quantification models to detect melamine adulteration in sports nutrition supplements using benchtop and portable near-infrared (NIR) spectroscopy instruments. This study highlights the efficiency of these methods in ensuring the safety and quality of sports supplements.

A recent review highlights the application of cutting-edge infrared (IR) spectroscopic techniques in analyzing micro- and nanoplastics (MNPs), providing valuable guidance for researchers to select suitable instrumentation for analysis. The study emphasizes the need for reliable tools to understand the environmental and health risks associated with these pollutants.

A recent study examines a new Internet of Things (IoT) framework using visible and near-infrared spectroscopy technology to accurately delineate between male and female pigeon eggs.

Researchers using the James Webb Space Telescope (JWST) have observed a water vapor coma around main-belt comet 238P/Read. The study, led by Michael S. P. Kelley and Henry H. Hsieh, provides insights into the comet's activity driven by water-ice sublimation and distinguishes it from other comets due to the absence of significant carbon dioxide gas.

A comprehensive study of small near-Earth objects (NEOs) using spectroscopy reveals composition, source regions, and rotational properties. The research identifies S-complex asteroids as the most abundant and introduces a new subclass within this complex, yielding detailed information on the characteristics and origins of these celestial bodies.

Forensic scientists have made significant strides in bloodstain identification, leveraging advanced hyperspectral imaging and machine learning to distinguish between human and animal bloodstains with remarkable accuracy.

Researchers from Vanderbilt University and Stanford University School of Medicine have developed a low-cost, wearable functional near-infrared spectroscopy (fNIRS) headband. This device, described as the first open-source, wireless fNIRS headband system, enables neuroimaging in naturalistic settings, making brain monitoring more accessible and versatile.

A recent study investigated the viability of employing Fourier-transform near infrared spectroscopy (FT-NIR) to assess the saponin compounds content of P. notoginseng.

A recent study analyzes the level of adulteration of cricket powder in plant flours using vibrational spectroscopy techniques.

Spectroscopic analytical techniques are crucial for the analysis of environmental samples. 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 contaminants and other environmental applications are thoroughly discussed.

Advances in wearable, high-density functional near-infrared spectroscopy (fNIRS) and diffuse optical tomography (DOT) technologies are paving the way for real-world neuroscience applications, enabling high-resolution imaging of the human cortex in various environments. This new technology promises significant improvements in understanding brain function during naturalistic activities.

Detecting Fusarium head blight (FHB) in wheat kernels and flour is important in ensuring food safety in the agriculture industry. Here, we recap a recent study that uses non-destructive spectroscopic techniques and machine learning algorithms to detect FHB.

A recent study from Agroscope examined using visible and near-infrared spectroscopy to assess soil fertility.

A team of researchers from RIKEN and The University of Tokyo have developed flexible near-infrared organic photodetectors (OPDs) with significant implications for wearable technology. These devices promise enhanced non-invasive biosensing and bio-imaging capabilities, paving the way for more responsive and intelligent wearable applications.

A recent study shows how near-infrared spectroscopy can be used to analyze total nitrogen and total phosphorus levels in dairy slurry.

Researchers from the University of Saarland in Germany investigated the reliability and side differences in muscle oxygen saturation (SmO2) measurements using a wearable near-infrared monitor on trained cyclists. The study found that the device shows good reliability but highlighted significant side differences, which must be considered in practical applications.