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1,799 Results Found

  • Article
  • Open Access
28 Citations
5,856 Views
22 Pages

Investigation of Water Interaction with Polymer Matrices by Near-Infrared (NIR) Spectroscopy

  • Vanessa Moll,
  • Krzysztof B. Beć,
  • Justyna Grabska and
  • Christian W. Huck

10 September 2022

The interaction of water with polymers is an intensively studied topic. Vibrational spectroscopy techniques, mid-infrared (MIR) and Raman, were often used to investigate the properties of water–polymer systems. On the other hand, relatively lit...

  • Review
  • Open Access
43 Citations
12,352 Views
20 Pages

Brain–Computer Interfacing Using Functional Near-Infrared Spectroscopy (fNIRS)

  • Kogulan Paulmurugan,
  • Vimalan Vijayaragavan,
  • Sayantan Ghosh,
  • Parasuraman Padmanabhan and
  • Balázs Gulyás

13 October 2021

Functional Near-Infrared Spectroscopy (fNIRS) is a wearable optical spectroscopy system originally developed for continuous and non-invasive monitoring of brain function by measuring blood oxygen concentration. Recent advancements in brain–computer i...

  • Article
  • Open Access
9 Citations
3,284 Views
11 Pages

29 November 2021

In the present study, the potential of application of near infrared reflectance (NIR) spectroscopy for the estimation of the chemical composition of traditional (village style) sausages was examined. The chemical composition (moisture, ash, protein a...

  • Article
  • Open Access
27 Citations
9,068 Views
10 Pages

Near-infrared spectroscopy (NIRS) uses the relative absorption of light at 850 and 760 nm to determine skeletal muscle oxygen saturation. Previous studies have used the ratio of both signals to report muscle oxygen saturation. Purpose: The purpose of...

  • Article
  • Open Access
1 Citations
4,806 Views
14 Pages

Individuals often lack field-based tools to monitor exercise effectiveness. New sensing methods may allow for an improved measurement of the individualized response to exercise by monitoring oxygen kinetics directly in muscle tissue. This study aimed...

  • Case Report
  • Open Access
46 Citations
6,224 Views
10 Pages

Comparison of Brain Activation Patterns during Olfactory Stimuli between Recovered COVID-19 Patients and Healthy Controls: A Functional Near-Infrared Spectroscopy (fNIRS) Study

  • Roger C. Ho,
  • Vijay K. Sharma,
  • Benjamin Y. Q. Tan,
  • Alison Y. Y. Ng,
  • Yit-Shiang Lui,
  • Syeda Fabeha Husain,
  • Cyrus S. Ho,
  • Bach X. Tran,
  • Quang-Hai Pham and
  • Amanda C. Y. Chan
  • + 1 author

Impaired sense of smell occurs in a fraction of patients with COVID-19 infection, but its effect on cerebral activity is unknown. Thus, this case report investigated the effect of COVID-19 infection on frontotemporal cortex activity during olfactory...

  • Review
  • Open Access
75 Citations
12,592 Views
21 Pages

Dairy farming is increasingly affected by the digital revolution. To respond to current challenges—such as environmental, economic, and social sustainability—new technologies must be adopted, entering the perspective of precision livestock farming. T...

  • Article
  • Open Access
22 Citations
4,674 Views
21 Pages

Differentiation of South African Game Meat Using Near-Infrared (NIR) Spectroscopy and Hierarchical Modelling

  • Kiah Edwards,
  • Marena Manley,
  • Louwrens C. Hoffman,
  • Anel Beganovic,
  • Christian G. Kirchler,
  • Christian W. Huck and
  • Paul J. Williams

16 April 2020

Near-infrared (NIR) spectroscopy, combined with multivariate data analysis techniques, was used to rapidly differentiate between South African game species, irrespective of the treatment (fresh or previously frozen) or the muscle type. These individu...

  • Article
  • Open Access
9 Citations
3,019 Views
14 Pages

Prediction of Phytochemical Constituents in Cayenne Pepper Using MIR and NIR Spectroscopy

  • Joel B. Johnson,
  • Aimen El Orche,
  • Janice S. Mani,
  • Abderrahmane Aït-Kaddour,
  • Kerry B. Walsh and
  • Mani Naiker

20 April 2023

The aim of the present study was to evaluate the potential of handheld near-infrared (NIR) and benchtop mid-infrared (MIR) spectroscopy for the rapid prediction of antioxidant capacity, dry matter, and total phenolic contents in cayenne pepper (Capsi...

  • Article
  • Open Access
2 Citations
2,515 Views
11 Pages

11 November 2022

Assessing the current condition of protective organic coatings on steel structures is an important but challenging task, particularly when it comes to complex structures located in harsh environments. Near-infrared (NIR) spectroscopy is a rapid, low-...

  • Review
  • Open Access
35 Citations
14,237 Views
25 Pages

18 September 2020

In the last three decades, the development and steady improvement of various optical technologies at the near-infrared region of the electromagnetic spectrum has inspired a large number of scientists around the world to design and develop functional...

  • Review
  • Open Access
364 Citations
31,536 Views
37 Pages

Near-Infrared Spectroscopy in Bio-Applications

  • Krzysztof B. Beć,
  • Justyna Grabska and
  • Christian W. Huck

26 June 2020

Near-infrared (NIR) spectroscopy occupies a specific spot across the field of bioscience and related disciplines. Its characteristics and application potential differs from infrared (IR) or Raman spectroscopy. This vibrational spectroscopy technique...

  • Article
  • Open Access
11 Citations
3,425 Views
14 Pages

27 March 2022

Fine ware pottery from the Etruscan town of Tarquinia, whose necropolis in inscribed in the list of UNESCO sites, was studied by means of near-infrared (NIR) diffuse reflection spectroscopy. The aim was to investigate the correlation between the firi...

  • Article
  • Open Access
6 Citations
3,361 Views
10 Pages

In our previous investigations using systemic physiology augmented functional near-infrared spectroscopy (SPA-fNIRS) neuroimaging, we found larger variability between subjects in changes of cerebral hemodynamics and oxygenation induced by an intricat...

  • Article
  • Open Access
9 Citations
2,662 Views
11 Pages

Tracking Cerebral Microvascular and Metabolic Parameters during Cardiac Arrest and Cardiopulmonary Resuscitation

  • Nima Khalifehsoltani,
  • Olivia Rennie,
  • Rohit Mohindra,
  • Steve Lin and
  • Vladislav Toronov

14 November 2023

Hemodynamic models provide a mathematical representation and computational framework that describe the changes in blood flow, blood volume, and oxygenation levels that occur in response to neural activity and systemic changes, while near-infrared spe...

  • Perspective
  • Open Access
6 Citations
3,198 Views
10 Pages

10 December 2024

Fish has become one of the most popular aquatic products for its beneficial effects. The quality of fish and fishery products may be influenced by their geographical origin, transportation, processing, and storage conditions. The availability of rapi...

  • Article
  • Open Access
6 Citations
3,249 Views
22 Pages

The Potential Use of Near Infrared Spectroscopy (NIRS) to Determine the Heavy Metals and the Percentage of Blends in Tea

  • Isabel Revilla,
  • Miriam Hernández Jiménez,
  • Iván Martínez-Martín,
  • Patricia Valderrama,
  • Marta Rodríguez-Fernández and
  • Ana M. Vivar-Quintana

31 January 2024

The following study analyzed the potential of Near Infrared Spectroscopy (NIRS) to predict the metal composition (Al, Pb, As, Hg and Cu) of tea and for establishing discriminant models for pure teas (green, red, and black) and their different blends....

  • Article
  • Open Access
3 Citations
3,486 Views
16 Pages

Bucchero Ware from the Etruscan Town of Tarquinia (Italy): A Study of the Production Site and Technology through Spectroscopic Techniques and Multivariate Data Analysis

  • Margherita Longoni,
  • Noemi Calore,
  • Matilde Marzullo,
  • Daniele Teseo,
  • Veronica Duranti,
  • Giovanna Bagnasco Gianni and
  • Silvia Bruni

23 February 2023

Bucchero is a well-known class of Etruscan ceramics, characterized by being entirely black both on the surface and in the body. In the present investigation, a representative set of bucchero sherds from the excavations of the Etruscan town of Tarquin...

  • Article
  • Open Access
12 Citations
2,627 Views
12 Pages

Nutritional Characterization of Hay Produced in Campania Region: Analysis by the near Infrared Spectroscopy (NIRS) Technology

  • Fabio Zicarelli,
  • Fiorella Sarubbi,
  • Piera Iommelli,
  • Micaela Grossi,
  • Daria Lotito,
  • Pietro Lombardi,
  • Raffaella Tudisco,
  • Federico Infascelli and
  • Nadia Musco

4 November 2022

Since the dietary characteristics of hays can be very variable, it is of great importance for nutritionists to know their chemical composition in order to formulate adequate rations for the animals. Laboratory analyses are time-consuming and expensiv...

  • Article
  • Open Access
4 Citations
2,897 Views
17 Pages

Near-Infrared Spectroscopy and Mode Cloning (NIR-MC) for In-Situ Analysis of Crude Protein in Bamboo

  • Qingyu Sheng,
  • Mariana Santos-Rivera,
  • Xiaoguang Ouyang,
  • Andrew J. Kouba and
  • Carrie K. Vance

8 March 2022

This study develops Near-Infrared Spectroscopy (NIRS) and Mode-Cloning (MC) for the rapid assessment of the nutritional quality of bamboo leaves, the primary diet of giant pandas (Ailuropoda melanoleuca) and red pandas (Ailurus fulgens). To test the...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,419 Views
8 Pages

Time-Domain Near-Infrared Spectroscopy in Subjects with Asymptomatic Cerebral Small Vessel Disease

  • Giacomo Giacalone,
  • Marta Zanoletti,
  • Rebecca Re,
  • Davide Contini,
  • Lorenzo Spinelli,
  • Alessandro Torricelli and
  • Luisa Roveri

9 March 2021

Biomarkers of microcirculation dysfunction may help in the study of cerebral small vessel disease (CSVD). Time-Domain Near-Infrared spectroscopy (TD-NIRS), estimating the oxygenation of microcirculation of cerebral outer layers, might indirectly corr...

  • Review
  • Open Access
43 Citations
11,572 Views
23 Pages

FNIRS pre-processing and processing methodologies are very important—how a researcher chooses to process their data can change the outcome of an experiment. The purpose of this review is to provide a guide on fNIRS pre-processing and processing techn...

  • Article
  • Open Access
6 Citations
2,747 Views
12 Pages

Discrimination of Brassica juncea Varieties Using Visible Near-Infrared (Vis-NIR) Spectroscopy and Chemometrics Methods

  • Soo-In Sohn,
  • Subramani Pandian,
  • Young-Ju Oh,
  • John-Lewis Zinia Zaukuu,
  • Yong-Ho Lee and
  • Eun-Kyoung Shin

24 October 2022

Brown mustard (Brassica juncea (L.) is an important oilseed crop that is mostly used to produce edible oils, industrial oils, modified lipids and biofuels in subtropical nations. Due to its higher level of commercial use, the species has a huge array...

  • Article
  • Open Access
2 Citations
2,161 Views
18 Pages

3 February 2025

Evaluating brain oxygen metabolism during cardiac arrest and cardiopulmonary resuscitation (CPR) is essential for improving neurological outcomes and guiding clinical interventions in high-stress medical emergencies. This study focused on two key ind...

  • Article
  • Open Access
15 Citations
3,380 Views
15 Pages

20 January 2022

Recent studies showed treatments with sorbitol and citric acid (SorCA) to significantly improve the dimensional stability and biological durability of wood. The industrialization of this process requires a quality control (QC) method to determine if...

  • Article
  • Open Access
760 Views
25 Pages

DrSVision: A Machine Learning Tool for Cortical Region-Specific fNIRS Calibration Based on Cadaveric Head MRI

  • Serhat Ilgaz Yöner,
  • Mehmet Emin Aksoy,
  • Hayrettin Can Südor,
  • Kurtuluş İzzetoğlu,
  • Baran Bozkurt and
  • Alp Dinçer

14 October 2025

Functional Near-Infrared Spectroscopy is (fNIRS) a non-invasive neuroimaging technique that monitors cerebral hemodynamic responses by measuring near-infrared (NIR) light absorption caused by changes in oxygenated and deoxygenated hemoglobin concentr...

  • Article
  • Open Access
7 Citations
3,974 Views
18 Pages

26 January 2024

In the quest for enhanced precision in near-infrared spectroscopy (NIRS), in this study, the application of a novel BEST-1DConvNet model for quantitative analysis is investigated against conventional support vector machine (SVM) approaches with prepr...

  • Article
  • Open Access
3 Citations
2,327 Views
20 Pages

5 August 2023

This study compared the performance of near-infrared spectroscopy (NIRS) and mid-infrared spectroscopy (MIRS) for the prediction of moisture, protein, total phenolic content (TPC), ferric reducing antioxidant potential (FRAP) and total monomeric anth...

  • Article
  • Open Access
6,081 Views
16 Pages

Wearable Wireless Functional Near-Infrared Spectroscopy System for Cognitive Activity Monitoring

  • Mauro Victorio,
  • James Dieffenderfer,
  • Tanner Songkakul,
  • Josh Willeke,
  • Alper Bozkurt and
  • Vladimir A. Pozdin

6 February 2025

From learning environments to battlefields to marketing teams, the desire to measure cognition and cognitive fatigue in real time has been a grand challenge in optimizing human performance. Near-infrared spectroscopy (NIRS) is an effective optical te...

  • Article
  • Open Access
2,231 Views
14 Pages

Near-Infrared (NIR) Spectroscopy as an Alternative for Predicting n-Alkane Concentration in Excreta of Laying Hens: NIR-Generated Data for Dietary Composition Estimation

  • Laid Dardabou,
  • José Carlos Martínez Ávila,
  • Markus Werner Schmidt,
  • Károly Dublecz,
  • Christiane Schwarz,
  • Miguel Angel Ibáñez and
  • Martin Gierus

5 March 2024

N-alkanes offer a promising approach for assessing the nutritional contribution of external sources to the diets of laying hens in free-range production systems. However, traditional laboratory methods, involving extraction, purification and gas chro...

  • Article
  • Open Access
29 Citations
8,726 Views
17 Pages

24 July 2015

The potential of near infrared spectroscopy (NIRS) in the wavelength range of 1000–2500 nm for predicting quality parameters such as total soluble solids (TSS), acidity (TA), firmness, and individual sugars (glucose, fructose, sucrose, and xylose) fo...

  • Article
  • Open Access
28 Citations
8,058 Views
25 Pages

Assessment of fNIRS Signal Processing Pipelines: Towards Clinical Applications

  • Augusto Bonilauri,
  • Francesca Sangiuliano Intra,
  • Giuseppe Baselli and
  • Francesca Baglio

29 December 2021

Functional Near-Infrared Spectroscopy (fNIRS) captures activations and inhibitions of cortical areas and implements a viable approach to neuromonitoring in clinical research. Compared to more advanced methods, continuous wave fNIRS (CW-fNIRS) is curr...

  • Article
  • Open Access
5 Citations
2,501 Views
12 Pages

27 October 2022

There is large intersubject variability in cerebrovascular hemodynamic and systemic physiological responses induced by a verbal fluency task (VFT) under colored light exposure (CLE). We hypothesized that machine learning would enable us to classify t...

  • Article
  • Open Access
32 Citations
8,777 Views
24 Pages

19 November 2015

Near-infrared spectroscopy (NIRS) enables the non-invasive measurement of changes in hemodynamics and oxygenation in tissue. Changes in light-coupling due to movement of the subject can cause movement artifacts (MAs) in the recorded signals. Several...

  • Article
  • Open Access
28 Citations
4,421 Views
18 Pages

Screening of Different Ageing Technologies of Wine Spirit by Application of Near-Infrared (NIR) Spectroscopy and Volatile Quantification

  • Ofélia Anjos,
  • Ilda Caldeira,
  • Rita Roque,
  • Soraia I. Pedro,
  • Sílvia Lourenço and
  • Sara Canas

24 June 2020

The traditional ageing of wine spirits is done in wooden barrels, however, high costs have led to the search for alternative technologies, such as the use of stainless steel tanks with wooden staves and the application of micro-oxygenation. This work...

  • Review
  • Open Access
26 Citations
7,202 Views
16 Pages

Interpretation of Cerebral Oxygenation Changes in the Preterm Infant

  • Aisling A. Garvey,
  • Elisabeth M. W. Kooi,
  • Aisling Smith and
  • Eugene M. Dempsey

Near-infrared spectroscopy (NIRS) allows for continuous, non-invasive monitoring of end-organ tissue oxygenation. The use of NIRS, cerebral NIRS (cNIRS) in particular, in neonatal care has increased significantly over the last few years. This dynamic...

  • Article
  • Open Access
11 Citations
3,437 Views
14 Pages

Development and Validation of Near-Infrared Reflectance Spectroscopy Prediction Modeling for the Rapid Estimation of Biochemical Traits in Potato

  • Paresh Chaukhande,
  • Satish Kumar Luthra,
  • R. N. Patel,
  • Siddhant Ranjan Padhi,
  • Pooja Mankar,
  • Manisha Mangal,
  • Jeetendra Kumar Ranjan,
  • Amolkumar U. Solanke,
  • Gyan Prakash Mishra and
  • Amritbir Singh Riar
  • + 4 authors

25 May 2024

Potato is a globally significant crop, crucial for food security and nutrition. Assessing vital nutritional traits is pivotal for enhancing nutritional value. However, traditional wet lab methods for the screening of large germplasms are time- and re...

  • Communication
  • Open Access
6 Citations
2,772 Views
8 Pages

13 April 2023

The increase in market demand and economic value of Canadian pork primal cuts has led to a need to assess advanced technologies capable of measuring quality traits. Fat and lean composition were measured using a Tellspec near-infrared (NIR) spectrosc...

  • Article
  • Open Access
722 Views
17 Pages

Development and Characterization of Near-Infrared Detectable Twin Dye Patterns on Polyester Packaging for Smart Optical Tagging

  • Silvio Plehati,
  • Aleksandra Bernašek Petrinec,
  • Tomislav Bogović and
  • Jana Žiljak Gršić

17 October 2025

Smart polyester materials with embedded near-infrared (NIR) functionalities offer a promising pathway for low-cost, covert tagging, and object identification. In this study we present the development and characterization of polyester packaging surfac...

  • Article
  • Open Access
1 Citations
2,949 Views
14 Pages

A Miniaturized and Low-Cost Near-Infrared Spectroscopy Measurement System for Alfalfa Quality Control

  • Candela Melendreras,
  • Ana Soldado,
  • José M. Costa-Fernández,
  • Alberto López and
  • Francisco Ferrero

16 August 2023

Food safety and quality are the first steps in the food chain. This work reports a miniaturized, low-cost, and easy-to-use near-infrared spectroscopy (NIRS) measurement system for alfalfa quality control. This is a significant challenge for dairy far...

  • Communication
  • Open Access
22 Citations
3,664 Views
12 Pages

Determination of Pork Meat Storage Time Using Near-Infrared Spectroscopy Combined with Fuzzy Clustering Algorithms

  • Qiulin Li,
  • Xiaohong Wu,
  • Jun Zheng,
  • Bin Wu,
  • Hao Jian,
  • Changzhi Sun and
  • Yibiao Tang

14 July 2022

The identification of pork meat quality is a significant issue in food safety. In this paper, a novel strategy was proposed for identifying pork meat samples at different storage times via Fourier transform near-infrared (FT-NIR) spectroscopy and fuz...

  • Review
  • Open Access
10 Citations
7,101 Views
12 Pages

One of the challenges of managing athletes with sport-related concussion (SRC) is guiding them to a safe return to play. A potential biomarker for use in the clinical assessment of recovery is the analysis of brain activation patterns during task-rel...

  • Article
  • Open Access
7 Citations
2,128 Views
12 Pages

Handheld NIR Spectroscopy Combined with a Hybrid LDA-SVM Model for Fast Classification of Retail Milk

  • Francesco Maria Tangorra,
  • Annalaura Lopez,
  • Elena Ighina,
  • Federica Bellagamba and
  • Vittorio Maria Moretti

9 November 2024

The EU market offers different types of milk, distinguished by origin, production method, processing technology, fat content, and other characteristics, which are often detailed on product labels. In this context, ensuring the authenticity of milk is...

  • Article
  • Open Access
2 Citations
1,424 Views
27 Pages

In Vivo Insights: Near-Infrared Photon Sampling of Reflectance Spectra from Cranial and Extracranial Sites in Healthy Individuals and Patients with Essential Tremor

  • Antonio Currà,
  • Riccardo Gasbarrone,
  • Davide Gattabria,
  • Giuseppe Bonifazi,
  • Silvia Serranti,
  • Daniela Greco,
  • Paolo Missori,
  • Francesco Fattapposta,
  • Alessandra Picciano and
  • Carlo Trompetto
  • + 1 author

30 October 2024

Near-infrared (NIR) spectroscopy is a powerful non-invasive technique for assessing the optical properties of human tissues, capturing spectral signatures that reflect their biochemical and structural characteristics. In this study, we investigated t...

  • Review
  • Open Access
2 Citations
2,366 Views
34 Pages

The demand for safe, high-quality, and minimally processed food has intensified interest in non-destructive analytical techniques capable of assessing freshness and safety in real time. Among these, near-infrared (NIR) spectroscopy and biosensors hav...

  • Article
  • Open Access
11 Citations
4,083 Views
15 Pages

Sensor Location Optimization of Wireless Wearable fNIRS System for Cognitive Workload Monitoring Using a Data-Driven Approach for Improved Wearability

  • Masudur R. Siddiquee,
  • Roozbeh Atri,
  • J. Sebastian Marquez,
  • S. M. Shafiul Hasan,
  • Rodrigo Ramon and
  • Ou Bai

7 September 2020

Functional Near-Infrared Spectroscopy (fNIRS) is a hemodynamic modality in human cognitive workload assessment receiving popularity due to its easier implementation, non-invasiveness, low cost and other benefits from the signal-processing point of vi...

  • Article
  • Open Access
4 Citations
2,354 Views
33 Pages

17 November 2023

The implementation of Nature-based Solutions (NbS) in urban environments is gaining momentum as a means to address environmental challenges and promote sustainable development. However, effective monitoring and evaluation are essential to assess the...

  • Article
  • Open Access
277 Views
18 Pages

Quantitative Analysis Model for the Powder Content of Zanthoxylum bungeanum Based on IncepSpect-CBAM

  • Yue Wang,
  • Pingzeng Liu,
  • Sicheng Liang,
  • Yan Zhang,
  • Ke Zhu and
  • Qun Yu

4 January 2026

The adulteration of Zanthoxylum bungeanum powder presents a complex challenge, as current near-infrared spectroscopy (NIRS) models are typically designed for specific adulterants and require extensive preprocessing, limiting their practical utility....

  • Review
  • Open Access
5 Citations
3,707 Views
18 Pages

Near-Infrared Spectroscopy: A Free-Living Neuroscience Tool to Better Understand Diabetes and Obesity

  • Eleni Rebelos,
  • Eleonora Malloggi,
  • Martina Parenti,
  • Angela Dardano,
  • Andrea Tura and
  • Giuseppe Daniele

The human brain is the least accessible of all organs and attempts to study it in vivo rely predominantly on neuroimaging. Functional near-infrared spectroscopy (fNIRS) allows for the study of cortical neural activity in a non-invasive manner that ma...

  • Article
  • Open Access
11 Citations
3,576 Views
13 Pages

Usage of Near-Infrared Spectroscopy for Inline Monitoring the Degree of Curing in RTM Processes

  • Moritz Salzmann,
  • Yannick Blößl,
  • Andrea Todorovic and
  • Ralf Schledjewski

17 September 2021

Near-infrared spectroscopy (NIR) was implemented in the resin transfer molding (RTM) process to inline monitor the degree of curing of a bio-based epoxy resin, which consists of epoxidized linseed oil (resin) and citric acid (hardener), respectively....

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