Results 31 to 40 of about 79,911 (310)

Multiwavelength Fluorescence and Diffuse Reflectance Spectroscopy for an In Situ Analysis of Kidney Stones

Photonics, 2023
This study explores the use of diffuse reflectance spectroscopy (DRS) and multiwavelength fluorescence spectroscopy for real-time kidney stone identification during laser lithotripsy.
Polina S. Tseregorodtseva, Gleb S. Budylin, Nadezhda V. Zlobina, Zare A. Gevorkyan, Daria A. Filatova, Daria A. Tsigura, Artashes G. Armaganov, Andrey A. Strigunov, Olga Y. Nesterova, David M. Kamalov, Elizaveta V. Afanasyevskaya, Elena A. Mershina, Nikolay I. Sorokin, Valentin E. Sinitsyn, Armais A. Kamalov, Evgeny A. Shirshin   +15 more
doaj   +1 more source

Reflectance Spectroscopy as a Novel Tool for Thickness Measurements of Paint Layers

Molecules, 2023
A major challenge in heritage science is the non-invasive cross-sectional analysis of paintings. When low-energy probes are used, the presence of opaque media can significantly hinder the penetration of incident radiation, as well as the collection of ...
Alice Dal Fovo, Marina Martínez-Weinbaum, Mohamed Oujja, Marta Castillejo, Raffaella Fontana   +4 more
doaj   +1 more source

Accurate Coal Classification Using PAIPSO-ELM with Near-Infrared Reflectance Spectroscopy [PDF]

ACS Omega
Yiyang Wang, Boyan Li, Haoyang Li, Dong Xiao   +3 more
doaj   +2 more sources

Discrimination of Nasopharyngeal Carcinoma from Noncancerous Ex Vivo Tissue Using Reflectance Spectroscopy

Journal of Spectroscopy, 2016
Reflectance spectroscopy is a low-cost, nondestructive, and noninvasive method for detection of neoplastic lesions of mucosal tissue. This study aims to evaluate the capability of reflectance spectroscopy system under white light (400–700 nm) with a ...
Zhihong Xu, Wei Huang, Duo Lin, Shanshan Wu, Maowen Chen, Xiaosong Ge, Xueliang Lin, Liqing Sun   +7 more
doaj   +1 more source

Evaluation and Normalization of Cloud Obscuration Related BRDF Effects in Field Spectroscopy

Remote Sensing, 2009
The impact of target bidirectional reflectance in dual field of view spectroscopy was described and quantified using field measurements and ray-tracing simulations.
Jan Stuckens, Ben Somers, Willem W. Verstraeten, Rony Swennen, Pol Coppin   +4 more
doaj   +1 more source

Recent applications of vibrational mid-Infrared (IR) spectroscopy for studying soil components: a review [PDF]

Journal of Central European Agriculture, 2015
The present review highlights the recent applications of mid-infrared spectroscopy and in particular of diffuse reflectance spectroscopy (DRIFT) and attenuated total reflectance (ATR) and processing methods (e.g., deconvolution, derivative and ...
Anna Tinti, Vitaliano Tugnoli, Sergio Bonora, Ornella Francioso   +3 more
doaj   +1 more source

Application of near-infrared reflectance for quantitative assessment of soil properties

Egyptian Journal of Remote Sensing and Space Sciences, 2018
Beginning with a discussion of reflectance spectroscopy, this article attempts to provide a review on fundamental concepts of reflectance spectroscopic techniques. Their applications as well as exploring the role of Near-infrared reflectance spectroscopy
E.S. Mohamed, A.M. Saleh, A.B. Belal, Abd_Allah Gad   +3 more
doaj   +1 more source

Reflectance spectroscopy predicts leaf functional traits across wine grape cultivars

Plants, People, Planet
Societal Impact Statement Characterizing variability in crop traits is key for understanding agroecosystem responses to environmental change. However, trait data are often time‐consuming to collect and therefore still limit our understanding and ...
Boya Cui, Rachel Mariani, Kimberley A. Cathline, Gavin Robertson, Adam R. Martin   +4 more
doaj   +1 more source

Near Infrared Reflectance Spectroscopy (NIRS) Determination of Isoflavone Contents for Selected Soybean Accessions

, 2012
Soybean isoflavones are of considerable interest in relation to their possible health effects in human diets. The rapid and economical determination of soybean isoflavone concentrations is essential for the investigation and development of soybean health
I. C. Baianu, Randall L. Nelson, Tiefeng You, Jun Guo   +3 more
core   +1 more source

FTIR-ATR-based prediction and modelling of lignin and energy contents reveals independent intra-specific variation of these traits in bioenergy poplar [PDF]

, 2011
Background: there is an increasing demand for renewable resources to replace fossil fuels. However, different applications such as the production of secondary biofuels or combustion for energy production require different wood properties. Therefore, high-
Polle, Andrea, Zhou Guanwu, Gail Taylor, Zhou, Guanwu, Taylor Gail, Guanwu Zhou, Taylor, Gail, Andrea Polle, Polle Andrea   +8 more
core   +1 more source