Otros

 

Otros

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,...
MIP-Assisted 3-Hole POF Chip Faced with SPR-POF Sensor for Glyphosate Detection
22/07/2023 - The present study proposes the application of a recently developed optical–chemical sensor system to glyphosate detection. The device probes the refractive index variation in a chip...
Modification of poly(vinyl chloride) thin films with organic compound and nanoparticles for solar energy applications
23/06/2023 - Abstract Novel thin films of poly(vinyl chloride) (PVC) modified with organic compounds and metal oxide nanoparticles (NPs) have been fabricated. Firstly, an organic compound,...
Refractive Properties of Conjugated Organic Materials Doped with Fullerenes and Other Carbon-Based Nano-Objects
26/06/2023 - Due to the high demand for optoelectronics for use in new materials and processes, as well as the search for their modeling properties, the expansion of the functionality of modified materials using...
Transparent Figures: Researching and Preserving Objects of Cellulose Acetate
27/06/2023 - In 1935, the Deutsches Hygiene-Museum Dresden began to produce the so-called Transparent Figures, which became icons of the 20th century. This study aims to explore the effects of external agents...
Investigation of the Antimicrobial and Physico-Mechanical Properties of Nature-Friendly Nanosilver-Loaded Pig Lining Leather Prepared Using Exhaustion Method
23/06/2023 - The natural hydrophilic property of leather makes it a possible growing substrate for microorganisms. Microorganisms such as bacteria, yeasts, and molds frequently grow on shoe lining leather,...
Tuning the properties of breathable polyurethanes through chemical crosslinking
16/06/2023 - AbstractReactive melt processing is a known technique used to produce long?chain branched polypropylene. It involves polyfunctional substances that act as chain?linking agents (CA). In this work,...
Antibacterial and Antifungal Fabrication of Natural Lining Leather Using Bio-Synthesized Silver Nanoparticles from Piper betle L. Leaf Extract
09/06/2023 - Leather is often used to make comfortable shoes due to its soft and breathable nature. However, its innate ability to retain moisture, oxygen and nutrients renders it a suitable medium for the...
Synthesis and Characterization of Poly(DL-lactide) Containing Fluorene Structures
01/06/2023 - 9,9-bis[4-(2-hydroxy-3-acryloyloxypropoxy)phenyl]fluorene (BPF) hydroxyl groups (-OH) were used as initiators in the ring-opening polymerization reaction with DL-lactide monomers at different molar...
Methods for identifying precipitates and improving stability of chemically defined highly concentrated cell culture media
16/04/2023 - Currently, within the biopharmaceutical industry, media development is a key area of development as the ratios and concentrations of media components such as amino acids, metals, vitamins, sugars,...
Effect of Flavoring with Rosemary, Lemon and Orange on the Quality, Composition and Biological Properties of Olive Oil: Comparative Study of Extraction Processes
18/03/2023 - The goal of this work was to investigate the impact of the flavoring of some aromatic plants/spices, including rosemary (R), lemon (L) and orange (O) at the concentration of 5% and 35% (w/w) added by...
Lanthanide and Ladder-Structured Polysilsesquioxane Composites for Transparent Color Conversion Layers
22/03/2023 - Ladder-type polysilsesquioxanes (LPSQs) containing phenyl as a high refractive index unit and cyclic epoxy as a curable unit were found to be excellent candidates for a transparent color conversion...
Inhibition of Survival Mechanisms and Cell Death Induction in Melanoma Following Photodynamic Therapy Mediated by Meso-5,10,15,20-tetrakis-(4-hydroxyphenyl)-porphyrin
17/03/2023 - (1) Background: Photodynamic therapy (PDT) involves the selective killing of tumor cells by the generation of reactive oxygen species using a photosensitizer (PS) activated by irradiation. In...