Materiales avanzados

Materiales avanzados

Preparation of high solid content oxidized starch by acid pretreatment–H2O2 oxidation and its performance as the ligand in zirconium tanning
13/01/2022 - Highly-oxidized starch (HOS) is an excellent ligand for zirconium tanning in leather making. However, oxidation reaction can only be undertaken in diluted solution due to the high viscosity of...
Stable superhydrophobic and conductive surface: Fabrication of interstitial coral-like copper nanostructure by self-assembly and spray deposition
- Water permeation is an important issue in both fundamental research and industrial applications. In this work, stable superhydrophobic copper surfaces were obtained by self-assembly and spray...
Analytical modeling for the load-transfer behavior of stiffened deep cement mixing (SDCM) pile with rigid cap in layer soils
- A new composite structure named stiffened deep cement mixing (SDCM) piles has recently been considered and applied in many geotechnical engineering projects. The SDCM pile was formed by inserting...
Dynamic evaluation of China's ecological civilization construction based on target correlation degree and coupling coordination degree
01/03/2022 - Ecological civilization (EC) is a new paradigm of human civilization development based on the harmonious coexistence of man and nature towards sustainable development. China clearly proposed the...
Physiological and biochemical characterization of Kalongi (Nigella sativa) against arsenic stress: Implications for human health risk assessment
- Arsenic (As) is a toxic metalloid that exhibits a varying degree of toxicity in plants depending upon the redox status of its species. Elemental arsenic [As(0)] is the least toxic of all the As...
Ag–Ni nanoparticles supported on multiwalled carbon nanotubes as a cathode electrocatalyst for direct borohydride–hydrogen peroxide fuel cells
01/05/2022 - In this study, an Ag–Ni electrocatalyst supported on multiwalled carbon nanotubes (MWCNTs) was investigated to develop a new type of cathode electrocatalyst for direct borohydride–hydrogen...
Synthesis, theoretical study, molecular docking and biological activity of nano tridentate (E)-2-((3-hydoxyphenyl)methyl)phenol metal complexes
- A new series of transition metal complexes of Schiff base (E)-2-((3-hydoxyphenyl)methyl)phenol (H2L) with Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) have been synthesized...
Sliding Naturalness: New Solution to the Strong-$CP$ and Electroweak-Hierarchy Problems
- A new model that assumes that a multitude of universes existed when our Universe first formed may explain why the Higgs mass is smaller than traditional models predict.
4D printing of polymers: Techniques, materials, and prospects
- Since the concept of four-dimensional (4D) printing first emerged from additive manufacturing technologies in 2013, there has been growing interest from researchers worldwide to harness its...
An attempt to stimulate aniline degrading bioreactor by exogenous auto-inducer: Decontamination performance, sludge characteristics, and microbial community structure response
- To break the contradiction between aniline and nitrogen metabolism in activated sludge reactor by influencing microbial interspecific communication, Auto-inducer C6-HSL and 3-oxo-C8-HSL were...
Carrageenans for tissue engineering and regenerative medicine applications: A review
- Biomaterials are considered a substantial building block for tissue engineering, regenerative medicine, and drug delivery. Despite using both organic and inorganic biomaterials in these fields,...
Implanting NiCo2O4 equalizer with designable nanostructures in agaric aerogel-derived composites for efficient multiband electromagnetic wave absorption
- A rational structural design is key to optimizing impedance matching and further enhancing the absorption performance. In this work, NiCo2O4@agaric aerogel-derived carbon hybrids (
Superdurable fiber-reinforced composite enabled by synergistic bridging effects of MXene and carbon nanotubes
- The corrosion of fiber-reinforced polymer (FRP) composite has given rise to a tricky problem with implications in many fields including civil, aerospace, and environment. The degraded mechanical...
Tunable dielectric properties and electromagnetic wave absorbing performance of MoS2/Fe3O4/PANI composite
- Molybdenum disulfide (MoS2) has been considered as an excellent candidate for microwave absorption applications due to its appropriate electrical conductivity and large area size. In this study,...
Flexible strain sensors for wearable applications fabricated using novel functional nanocomposites: A review
15/03/2022 - With recent advancements in novel composite nanomaterials and
Supported catalysts for heterogeneous electro-Fenton processes: Recent trends and future directions
- Extremely low pH requirement and additional sludge management for the homogeneous electro-Fenton (EF) process necessitated the development of heterogeneous electro-Fenton (HEF) reactions that...
Plastic accumulation during COVID-19: call for another pandemic; bioplastic a step towards this challenge?
13/01/2022 - Plastic pollution has become a serious transboundary challenge to nature and human health, with estimation of reports published — predicting a twofold increase in plastic waste by 2030. However,...
Temporal distribution patterns of metals in water, sediment, and components of the trophic structure in a tropical coastal lagoon of the Gulf of Mexico
12/01/2022 - Trophic transfer and bioaccumulation of trace metals have a profound impact on the structure and function of coastal areas; however, the metal accumulation patterns in detritus-based food webs and...
A Coronopus didymus based eco-benign synthesis of Titanium dioxide nanoparticles (TiO2 NPs) with enhanced photocatalytic and biomedical applications
- Clean water is a global challenge and several conventional procedures are accompanied with a number of drawbacks. As a result, new materials and methods must be introduced to address the issue of...
A simple 4-amino-1,8-naphthalimide hydrazine based “turn-on” fluorescent chemosensor for selective and reversible detection of Zn(II) ion
01/04/2022 - A new 4-amino-1,8-naphthalimide hydrazine fluorophore (Nap-NH2) has been synthesized in quantitative yield via a one-pot imidation reaction between 4-amino-1,8-naphthalic...
Effect of Variations in Microwave Processing Temperatures on Microstructural and Mechanical Properties of AA7075/SiC/Graphite Hybrid Composite Fabricated by Powder Metallurgy Techniques
12/01/2022 - Due to the demand in present industrial, aerospace, defense sectors for lightweight high-performance aluminum (Al) particle-reinforced metal matrix composites, the advancement of techniques to...