Results 11 to 20 of about 20,198 (242)

Quantitative Colorimetric Sensing of Carbidopa in Anti-Parkinson Drugs Based on Selective Reaction with Indole-3-Carbaldehyde

open access: yesSensors, 2023
The quality of life of patients affected by Parkinson’s disease is improved by medications containing levodopa and carbidopa, restoring the dopamine concentration in the brain.
Pasquale Palladino   +5 more
doaj   +1 more source

Colorimetry of Luminescent Lanthanide Complexes

open access: yesMolecules, 2020
Europium, terbium, dysprosium, and samarium are the main trivalent lanthanide ions emitting in the visible spectrum. In this work, the potential of these ions for colorimetric applications and colour reproduction was studied.
Julien Andres, Anne-Sophie Chauvin
doaj   +1 more source

Method for determining color and chromaticity coordinates according to the original image

open access: yesФизика волновых процессов и радиотехнические системы, 2019
In this paper, a description is given of the method of colorimetry of an image of an object under investigation according to its photograph or scanned copy.
L.D. Lozhkin   +5 more
doaj   +1 more source

A High-throughput Color Measurement System for Evaluating Flesh Browning in Apples

open access: yesJournal of the American Society for Horticultural Science, 2021
The development of new high-quality apple (Malus ×domestica) cultivars that are resistant to flesh browning is needed to expand the use of apples in the food service and catering industry. However, conventional methods for evaluating apple flesh browning
Taku Shimizu   +4 more
doaj   +1 more source

Synthesis of Symmetrical Acetophenone Azine Derivatives as Colorimetric and Fluorescent Cyanide Chemosensors

open access: yesIndonesian Journal of Chemistry, 2021
Cyanide is a highly toxic anion and poison to the environment. Therefore, fast, effective, and efficient analysis methods to detect cyanide are needed. Herein, symmetrical chemosensor of 2’-hydroxy acetophenone azine (1) and 2’,4’-dihydroxy acetophenone ...
Nur Masyittah Irmi   +2 more
doaj   +1 more source

Nanozyme-based Aptasensor for colorimetric detection of vitamin D3 in milk [PDF]

open access: yesNanomedicine Journal
Objective(s): The growing demand for food production necessitates the development of advanced detection methods to ensure food quality and prevent adulteration.
Abolghasem Rahmani   +3 more
doaj   +1 more source

Development of Blood Glucose Monitoring System using Image Processing and Machine Learning Techniques [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2022
Glucose concentration measurement is essential for diagnosis, monitoring and treatment of various medical conditions like diabetes mellitus, hypoglycemia, etc.
Angel Thomas   +2 more
doaj   +1 more source

Effect of Color Output Modification Approach (COMA) on the gray balance: A mismatch of device calibration, destination and source profiles, and halftone screening

open access: yesJournal of Graphic Engineering and Design, 2020
The purpose of this applied research in the digital print production was to determine the influence of applied Color Output Modification Approaches (COMA) or Color Output Sequences (COS) to determine the colorimetric variations (COLVA) on the gray ...
Haji Naik Dharavath
doaj   +1 more source

Investigation of the Colorimetric Characteristics of VX in Squaraine-Based Solutions

open access: yesChemosensors, 2023
Colorimetry is an important on-site detection method for organophosphorus compounds. O-Ethyl S-(2-diisopropylaminoethyl) methylphosphonothioate (VX) is recognized as one of the deadliest organophosphorus chemical agents, and the rapid on-site detection ...
Bin Du   +6 more
doaj   +1 more source

Emerging Cytokine Biosensors with Optical Detection Modalities and Nanomaterial-Enabled Signal Enhancement

open access: yesSensors, 2017
Protein biomarkers, especially cytokines, play a pivotal role in the diagnosis and treatment of a wide spectrum of diseases. Therefore, a critical need for advanced cytokine sensors has been rapidly growing and will continue to expand to promote clinical
Manpreet Singh   +3 more
doaj   +1 more source

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