Results 1 to 10 of about 1,424,346 (294)
Electrical impedance spectroscopy has clinical relevance in diagnosing malignancy in melanocytic lesions. Sixty-eight lesions with changes during digital follow-up of patients at very high risk of developing melanoma were prospectively included in this ...
Marion Chavez-Bourgeois +8 more
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HISTORICAL PLASTER COMPOSITION DETECTION USING REFLECTANCE SPECTROSCOPY [PDF]
Reflectance spectroscopy is a non-invasive method that is based on the fact that a specific object/material provides various reflectances in different wavelengths across the spectral range.
Eva Matoušková +2 more
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Early accurate diagnosis and assessment severity of the hypoxic state of diabetic foot is of paramount importance. In this paper, a noninvasive monitoring method of the hypoxic state of the diabetic foot based on diffuse reflectance spectroscopy is ...
Ge Xu +17 more
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This article is devoted to the experimental validation of the possibility of early detection of precancerous lesions in the oral mucosa in vivo using diffuse reflectance spectroscopy in the wavelength range from 360 to 1000 nm. During the study, a sample
Alexander V. Kolpakov +10 more
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EXPLORE THE CHARACTER OF SOIL SPECTRAL REFLECTANCE RELATE TO THE SOIL ORGANIC MATTER CONTENT
The visible and near-infrared (Vis-NIR) diffuse reflectance spectroscopy has emerged as a rapid and low-cost tool for extensive investigation of soil properties.
Sari Virgawati +5 more
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Dual-Slope Diffuse Reflectance Instrument for Calibration-Free Broadband Spectroscopy
This work presents the design and validation of an instrument for dual-slope broadband diffuse reflectance spectroscopy. This instrument affords calibration-free, continuous-wave measurements of broadband absorbance of optically diffusive media, which ...
Giles Blaney +8 more
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Characterizing “Chocolate” Flint Using Reflectance Spectroscopy
The study details a pilot experiment in which samples of “chocolate’”flint from four procurement sites in Poland and chert from the United States were characterized spectrally and distinguished using reflectance spectroscopy and multivariate statistics ...
Ryan M. Parish, Dagmara H. Werra
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MANGANESE(II) DETERMINATION BY DIFFUSE REFLECTANCE SPECTROSCOPY
Results of testing a prototype light-emitting diod miniphotometer for rapid and sensitive elements determination both in laboratory and in field conditions are presented. The new photometer consists of two devices providing measurements of absorbance and
Ya. I. Simakina +3 more
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Assessing the amount of the anatase and rutile phases of TiO2 by optical reflectance measurements
The anatase (A) and rutile (R) phases of a series of titanium dioxide (TiO2) samples were investigated by optical diffuse reflectance spectroscopy. The samples consisted of commercial A and R high-purity TiO2 powders mixed together according to the Rmass/
A.R. Zanatta
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Epoxidation of alkenes using immobilized vanadyl Schiff base complex on montmorillonite as an efficient recyclable heterogeneous catalyst with tert-butyl hydroperoxide [PDF]
Oxovanadium(IV) Schiff base complex of N,N′-bis(5-[(triphenylphosphoniumchloride)-methyl-salicylidinenaphthal-diamine)] was synthesized, characterized and immobilized on sodium montmorillonite as a heterogeneous catalyst.
Abolfazl Bezaatpour +1 more
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