Materials

 

Materials

Working with technical purity: simulation of red tattoo pigment metabolism by online-liquid chromatography-electrochemistry-mass spectrometry
- Tattooing is a popular form of body art that has evolved from ancient times into being part of modern society. The understanding of biotransformation processes of coloring tattoo pigments in human...
Screening of Plant UDP-Glycosyltransferases for Betanin Production in Yeast
- Abstract To cover the rising demand for natural food dyes, new sources and production methods are needed. Microbial fermentation of nature-identical colours, such as the red...
Biosynthesis of Bacteriochlorophylls and Bacteriochlorophyllides in Escherichia coli
17/12/2024 - ABSTRACTPhotosynthesis, the most important biological process on Earth, converts light energy into chemical energy with essential pigments like chlorophylls and bacteriochlorophylls. The ability to...
Knockdown of HOTAIR Alleviates High Glucose-Induced Apoptosis and Inflammation in Retinal Pigment Epithelial Cells
- Abstract Diabetic retinopathy (DR) is one of the most common microvascular complications in diabetes. Accumulating evidence demonstrated that long non-coding RNAs (lncRNAs) played...
Research on Rapid Detection Methods of Tea Pigments Content During Rolling of Black Tea Based on Machine Vision Technology
21/11/2024 - As a crucial stage in the processing of black tea, rolling plays a significant role in both the color transformation and the quality development of the tea. In this process, the production of...
Overlooked Impact of Moisture on the Stability of Printing Ink and Its Impact on Recycled Low-Density Polyethylene (LDPE) Quality
21/11/2024 - Printing inks, composed of binders, pigments, and additives, are essential components in plastic packaging but complicate recycling due to plastic contamination and degradation. While polyolefins are...
Cytogenetic and photosynthetic responses of plants after exposure to water from a lake environment
16/11/2024 - Plants are sensitive to environmental pollutants and are excellent organisms for genetic and physiological testing. Plant-based test systems are often used to study aquatic, aerial, and...
Chemical Composition, Bioactivities, and Applications of Spirulina (Limnospira platensis) in Food, Feed, and Medicine
17/11/2024 - Spirulina (Limnospira platensis) is a microalga recognised for its rich nutritional composition and diverse bioactive compounds, making it a valuable functional food, feed, and therapeutic agent....
Standard Descriptors and Selected Biomarkers in Assessment of Posidonia oceanica (L.) Delile Environmental Response
16/11/2024 - Endemic Mediterranean seagrass Posidonia oceanica is highly endangered today as it lives in a narrow infralittoral zone intensely exposed to human impact. P. oceanica beds are especially endangered...
Unveiling the Composition of La Pajarita PVAc-Based Paints in Joan Miró’s Studio and in Three Artworks from the 1970s
12/11/2024 - In this study, we present the first characterisation of the polyvinyl acetate (PVAc) paints of commercial Spanish brand La Pajarita preserved in the studios of Joan Miró...
Challenges of analytical methods for the characterization of microsamples from David Alfaro Siqueiros mural painting
- This study presents the analysis of seven microsamples from Untitled Mural 3, painted by David Alfaro Siqueiros between 1964 and 1972. The mural has never been restored, therefore preserving the...
Detection of the Pigment Distribution of Stacked Matcha During Processing Based on Hyperspectral Imaging Technology
12/11/2024 - Color is a key indicator for evaluating the quality of tea during processing; various processing procedures can significantly affect the content of fat-soluble pigments of tea, which in turn affects...
Stainless Steel Deposits on an Aluminum Support Used in the Construction of Packaging and Food Transport Containers
11/11/2024 - A series of chemical elements from the chemical composition of the packs of liquid food products migrate inside them or they combine with other chemical elements existing in the food, resulting in...
Balanced Fertilization Enhances the Nutritional Value and Flavor Profile of Tomato Fruits
11/11/2024 - The tomato is a key fruit in China. However, the drive to produce higher-quality tomatoes has resulted in fertilizer overuse, soil degradation, and environmental pollution in recent years. Therefore,...
Wood Plastic Composite Based on Recycled High-Density Polyethylene and Wood Waste (Sawdust)
11/11/2024 - The current work presents the reformulation of a composite based on high-density polyethylene obtained through the recycling of blow-molded containers (rHDPE) with natural fiber residues (wood...
The Use of Phosphonates to Inhibit Salt Crystallization: A Laboratory Study for the Sustainable Conservation of Mural Paintings in the Hypogea Context
08/11/2024 - This research is focused on the laboratory study of salt crystallization inhibitor products as new materials for conservation treatments which can be applied to mortars and painted plasters; as is...
Enhanced color density from high-viscosity inkjet inks
05/11/2024 - AbstractInkjet printing inks are typically limited to low viscosities, employing highly dilute inks with low pigment loading compared with inks for other printing processes. This reduces color...
The Characterization of Natural Resins and a Study of Their Degradation in Interactions with Zinc Oxide Pigment
06/11/2024 - In the last few years, the role of science in Cultural Heritage has assumed greater significance since diagnostics have become essential for the characterization of artworks. The development of...
UR-Net: An Optimized U-Net for Color Painting Segmentation
01/11/2024 - The pigments of cultural color paintings have faded with the passage of time. Color segmentations are essential for digital color reconstruction, but the complexity of color paintings makes it...
Exploring the Potential of Anthocyanins for Repairing Photoaged Skin: A Comprehensive Review
01/11/2024 - Long-term exposure to ultraviolet (UV) rays can result in skin photoaging, which is primarily characterized by dryness, roughness, pigmentation, and a loss of elasticity. However, the clinical drugs...
One-Step Polyester Dyeing and Antibacterial Treatment Using Innovative Thiazole Azo Dyes in Supercritical Carbon Dioxide
29/10/2024 - A novel approach in the field, a range of new azothiazole dyes substituted with different hydrophobic groups, was utilized as colorants for dyeing polyester fabrics in a supercritical carbon...