Otros
Otros
Toward on-site analysis: a paper-based luminescent metal organic framework sensing strategy for sulfide via chemical vapor generation-colorimetric system
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The sulfide ion (S2−) is one of the toxic pollutants in water systems and its concentration is a critical environmental index. Traditional methods for S2− detection are typically confined...
Comparing ACES AP0 and AP1 color primaries for smartphone colorimetry in detecting soil CO2 leakage with a beetroot (Beta vulgaris) biosensor
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Effective monitoring of CO2 leaks from carbon capture and storage (CCS) sites is vital to mitigate environmental risks, including soil acidification and ecosystem disruption. This study presents a...
RGB color correction and gamut limitations in smartphone-based kinetic analysis of chemical reactions
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The variability in hardware specifications and environmental factors poses significant challenges to the use of smartphone cameras in analytical measurement. Towards time-resolved color analysis...
Green and simple microextraction method based on deep eutectic solvent-assisted smartphone digital imaging colorimetry (SDIC) for Rhodamine B analysis in food products
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This study employed a deep eutectic solvent-based liquid-liquid microextraction method and smartphone digital image colorimetry to detect and quantify Rhodamine B in foods. The deep eutectic...
A dual-mode RNA-splitting aptamer biosensor for sensitive HIV Tat peptide detection via colorimetry and fluorescence
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Early diagnosis of human immunodeficiency virus (HIV) is critical for effective treatment; however, traditional antibody methods encounter challenges during the infection window, and nucleic acid...
Pectin Edible Films Filled with Ilex paraguariensis Concentrate Extract and Its Characterization
13/11/2024 -
Ilex paraguariensis (IP) extract was added to prepare edible films using a central rotational composite design (CCRD) 22 with IP extract and sorbitol concentrations as variables. The IP extract was...
Structural, Mechanical, and Optical Properties of Laminate-Type Thin Film SWCNT/SiOxNy Composites
11/11/2024 -
The development of new encapsulating coatings for flexible solar cells (SCs) can help address the complex problem of the short lifespan of these devices, as well as optimize the technological process...
Artificial Intelligence-Enhanced Colorimetric Assessment of Self-Cleaning Road Marking Paints
24/10/2024 -
Road markings (RMs) typically consist of a paint layer and a retroreflective layer. They play a crucial role in road safety by offering visibility and guidance to drivers. Over their lifetime, dirt...
Wheat Flour Pasta Combining Bacillus coagulans and Arthrospira platensis as a Novel Probiotic Food with Antioxidants
24/10/2024 -
Arthrospira platensis (Ap) and Bacillus coagulans (Bc) have been successfully used to develop functional foods, but a combination of both regarding functional implications in nutritional value and...
Toward a green economy: Lignin-based hybrid materials as functional additives in flame-retardant polymer coatings
16/10/2024 -
Abstract This study describes the combination of unique properties of lignin with TiO2 as an innovative and effective preparation method for high-performance flame-retardant...
Rapid Monitoring of Scale Precipitation and Inhibition in Geothermal Fluid Using Optical Fiber Sensor Based on Surface Plasmon Resonance
04/09/2024 -
An optical fiber scale sensor based on the detection principle of surface plasmon resonance (SPR) was developed for the rapid, high-sensitivity, real-time evaluation of scale precipitation in...
Application of Corn Straw, an Agro-Waste, to Remove Dyes in an Aqueous Medium, Producing Blue or Red Fibers
29/03/2024 -
The contaminant dyes that, even at low concentrations, may cause a series of adverse effects in humans and animals, and their removal by adsorption methods using alternative adsorbents as natural...
Chitosan-Enhanced pH-Sensitive Anthocyanin Indicator Film for the Accurate Monitoring of Mutton Freshness
20/03/2024 -
Natural anthocyanin indicator films with an excellent pH response enable the visual assessment of meat freshness. In this investigation, chitosan was initially employed as a colorimetric enhancer,...
Colorimetric Indicator Based on Gold Nanoparticles and Sodium Alginate for Monitoring Fish Spoilage
17/03/2024 -
In this work, a colorimetric indicator based on gold nanoparticles (AuNP) and a biodegradable and eco-friendly polymer (sodium alginate, Alg.), was developed for the real-time detection of fish...
Topography and Nonlinear Optical Properties of Thin Films Containing Iodide-Based Hybrid Perovskites
23/12/2023 -
This article covers selected properties of organic–inorganic thin films of hybrid perovskites with the summary formulas CH3NH3MI3, where M = Pb, Cd, Ge, Sn, Zn. The paper discusses not...
Characterization of a Novel Starch Isolated from the Rhizome of Colombian Turmeric (Curcuma longa L.) Cultivars
19/12/2023 -
Turmeric (Curcuma longa L.) plants are native to Southeast Asia and are part of the Zingiberaceae family. Global consumption and production of this plant are expanding. In countries such as Colombia,...
Thermal and Colorimetric Parameter Evaluation of Thermally Aged Materials: A Study of Diglycidyl Ether of Bisphenol A/Triethylenetetramine System and Fique Fabric-Reinforced Epoxy Composites
14/09/2023 -
The main modifications of thermal and colorimetric parameters after thermal aging of DGEBA/TETA system (plain epoxy) and fique-fiber woven fabric-reinforced epoxy composites are described. As a...
Structural characterization, bandgap energy, and mechanic deformation studies of polyacrylamide (PAAm) nanocomposite hydrogels doped with homogeneously-distributed multiwalled carbon nanotubes (MWCNTs)
29/08/2023 -
Abstract Hydrogels doped with carbon nanotubes (CNTs) have been widely used in many areas due to the superior properties of both hydrogels and CNTs. The synthesis of...
Sensitivity Increment of Metamaterial-based Refractive Index Sensor with Silicon Layers
22/08/2023 -
In this work, ultra-sensitive sensors based on a polarization-insensitive adjustable terahertz metamaterial absorber are presented. The absorber consists of multiple layers, with a graphene ring...
Mechanochemical and mechanobiological recycling of postconsumer polyethylene terephthalate (PET) plastics under microwave irradiation: a comparative study
21/08/2023 -
Abstract Exploring new solutions to improve the environmentally friendly degradation of fossil based postconsumer plastic waste is key in the development of effective techniques...
A Combined Plasmonic and Electrochemical Aptasensor Based on Gold Nanopit Arrays for the Detection of Human Serum Albumin
19/08/2023 -
Electrochemical and optical platforms are commonly employed in designing biosensors. However, one signal readout can easily lead to inaccuracies due to the effect of nonstandard test procedures,...
