Articles with "vis spectroscopy" as a keyword



Algorithm for Reproducible Analysis of Semiconducting 2D Nanomaterials Based on UV‐VIS Spectroscopy

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Published in 2024 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202400311

Abstract: Rapid and reliable analysis of liquid dispersions of 2D materials is essential for fully harnessing their potential, allowing size and quality validation before subsequent processing or device fabrication. Existing UV‐VIS extinction spectroscopy‐based metrics, particularly those… read more here.

Keywords: spectroscopy; reproducible analysis; algorithm reproducible; analysis ... See more keywords

In Situ Quantitative Monitoring of Adsorption from Aqueous Phase by UV–vis Spectroscopy: Implication for Understanding of Heterogeneous Processes

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202402732

Abstract: The development of in situ techniques to quantitatively characterize the heterogeneous reactions is essential for understanding physicochemical processes in aqueous phase. In this work, a new approach coupling in situ UV–vis spectroscopy with a two‐step… read more here.

Keywords: spectroscopy; monitoring adsorption; adsorption; aqueous phase ... See more keywords

The Mechanism of [IrCl6]2− Complex Transformation in Acetone Solutions Studied by EPR and UV–Vis Spectroscopy

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Published in 2025 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.70046

Abstract: The substitution reaction of Cl− ion in the complex [IrCl6]2− with the acetone molecule was investigated in detail by CW X‐band EPR and UV–Vis spectroscopy methods. An original software package for deconvolution of a series… read more here.

Keywords: spectroscopy; ircl6; vis spectroscopy; epr vis ... See more keywords

Identification of geographical and botanical origin of Mediterranean honeys using UV-vis spectroscopy and multivariate statistical analysis

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Published in 2024 at "Journal of Food Measurement and Characterization"

DOI: 10.1007/s11694-024-02465-2

Abstract: The present study aimed to differentiate Mediterranean honey samples with regards to their botanical and geographical origin, using UV-vis spectroscopy, combined with multivariate statistical analysis and chemometrics. A total of 151 commercial honey samples were… read more here.

Keywords: spectroscopy; origin; geographical botanical; botanical origin ... See more keywords

Monitoring the Oxidative Stability of Monovarietal Extra Virgin Olive Oils by UV–Vis Spectroscopy and MCR–ALS

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Published in 2018 at "Food Analytical Methods"

DOI: 10.1007/s12161-018-1149-6

Abstract: The extra virgin olive oil (EVOO) has a certain oxidation resistance when compared to other vegetable oils without refining process, due to their large composition of monounsaturated fatty acids, antioxidants, and bio-compounds. The main of… read more here.

Keywords: extra virgin; vis spectroscopy; mcr als; virgin olive ... See more keywords

Identifying the presence of [V=O]2+ during SCR using in-situ Raman and UV Vis spectroscopy

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Published in 2019 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.02.067

Abstract: Abstract Combining UV Vis and Raman spectrosocopy allows for V O, oxo vanadium(IV) surface species to be identified during operando SCR on V2O5/TiO2 catalysts. V4+ is formed by a one electron reduction pathway by NO… read more here.

Keywords: vis spectroscopy; red shift; scr; spectroscopy ... See more keywords

Operando UV–Vis spectroscopy as potential in-line PAT system for size determination of functioning metal nanocatalysts

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Published in 2020 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2020.115821

Abstract: Abstract Metal nanoparticle-catalyzed reactions such as hydrogenation, cross-coupling, carbonylation, and hydroformylation reactions are the most widely used reactions in the pharmaceutical and fine chemical industries. However, there is no operando spectroscopic technique that exists to… read more here.

Keywords: operando vis; vis spectroscopy; line; metal nanocatalysts ... See more keywords
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Honey authentication in terms of its adulteration with sugar syrups using UV-Vis spectroscopy and one-class classifiers.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2021.130467

Abstract: This work proposes the use of UV-Vis spectroscopy and one-class classifiers to authenticate honey in terms of their individual and simultaneous adulterations with corn syrup, agave syrup, and sugarcane molasses. Then, spectra of aqueous authentic… read more here.

Keywords: class classifiers; spectroscopy one; vis spectroscopy; spectroscopy ... See more keywords
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Process Analytical Technology for Online Monitoring of Organic Reactions by Mass Spectrometry and UV–Vis Spectroscopy

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Published in 2018 at "Journal of Chemical Education"

DOI: 10.1021/acs.jchemed.8b00725

Abstract: Process analytical technologies (PATs) are used in the pharmaceutical and other industries to monitor chemical processes in real-time with analytical instrumentation. Each PAT analyzer brings its own advantages and disadvantages to the process, and multiplexing… read more here.

Keywords: vis spectroscopy; analytical technology; monitoring; spectroscopy ... See more keywords

Real-Time Water Quality Monitoring Based on UV-Vis Spectroscopy and an Improved VGG-Net

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Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2025.3595227

Abstract: Ultraviolet–visible (UV-Vis) spectroscopy is widely used for water quality parameter analysis due to its advantages of real-time, rapid measurement, simple equipment, and no secondary pollution. It serves as a critical tool for online water quality… read more here.

Keywords: spectroscopy; water quality; quality monitoring; vis spectroscopy ... See more keywords

Comparative Evaluation of UV-Vis Spectroscopy-Based Approaches for Hemoglobin Quantification: Method Selection and Practical Insights

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Published in 2024 at "Biomolecules"

DOI: 10.3390/biom14091046

Abstract: The growing demand for effective alternatives to red blood cells (RBCs) has spurred significant research into hemoglobin (Hb)-based oxygen carriers (HBOCs). Accurate characterization of HBOCs—including Hb content, encapsulation efficiency, and yield—is crucial for ensuring effective… read more here.

Keywords: spectroscopy; method; quantification; spectroscopy based ... See more keywords