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High Entropy Alloys Against Extreme Conditions for Aerospace Materials

The external components of spacecraft and satellites endure extreme environmental conditions, including ultra-vacuum, UV radiation, temperature fluctuations, and atomic oxygen, leading to material degradation over time. Among the most vulnerable parts are the solar panels and their supporting base structures, which lack the protection of multi-layer insulation. This research aims to enhance the resilience of these components through innovative material solutions, contributing to sustainability by addressing space debris and minimizing the depletion of critical Earth resources.

Growth of AgSbS2 Single Crystals for Radiation Detector Applications

In medical imaging, nuclear safety, intelligence, and security applications, there is a high demand for room-temperature radiation detectors. A desirable radiation detection material must exhibit high sensitivity to radiation, high density, and a suitable band gap. Silver antimony sulfide (AgSbS₂) is an emerging ternary semiconductor material with potential applications in photovoltaics, optoelectronics, and radiation detection.

Maximizing Value from Municipal Solid Waste Incineration Ash — Electrochemical and Chemical Methods for Material Recovery

Municipal solid waste incineration (MSWI) plays a critical role in our waste and energy ecosystem by reducing waste volume and generating electricity. However, the economic viability of MSW incinerators is at risk due to declining electricity prices. Meanwhile, MSWI ash represents an untapped resource for valuable compounds, with an embodied value of $100–$400/tonne, contrasted with incurred landfilling expenses (∼$50/tonne). Here, we propose an integrated process utilizing MSWI electricity to power electrochemical and chemical processes for mining MSWI ash.

Bioguided Fractionation of Modified Plant Extract: An Efficient Approach for Discovering Bioactive Compounds and Identifying Biological Targets

This study presents a methodology for bioactivity-guided fractionation of chemically modified Ambrosia tenuifolia extracts using mild derivatization conditions at room temperature. New trypanocidal compounds less toxic than the starting materials were obtained in a single reaction step. In addition, bioinformatics tools were used to identify potential biological targets for Trypanosoma cruzi, reducing the need for extensive biological testing.

Developing a Greener Approach for the Synthesis of Anticancer Drug Candidate

The use of light energy, which is considered a clean and traceless reagent, for the synthesis of complex heterocyclic molecules makes organic photochemistry one of the important green chemistry tools. Photochemistry holds an important role in accessing biologically relevant molecules containing complex skeletons that are difficult to access by conventional thermal methods. Skeletons that are difficult to obtain through ground state chemistry, can be constructed using light as a reagent, producing high energy excited states required for the molecules to undergo required transformation.

In-situ monitoring for the role of dye structure on electrochemical decolorization

The widespread use of synthetic dyes has led to the release of substantial amounts of dye-contaminated wastewater, posing significant environmental and health concerns. This study focuses on the use of anodic and electrochemically activated persulfate oxidation for the degradation of organic contaminants. Specifically, the structural variations of nine dyes in the indigoid and azo families, and their impact on the efficiency of electrochemical oxidation were analyzed. An in situ continuous monitoring apparatus with a UV-visible detector was employed to collect data in real-time.

MESSI: A New Method for Stereochemical Assignment of Flexible and Polyhydroxylated Molecules

The use of NMR methods based on quantum mechanics to complement and guide the assignment of connectivity and stereochemistry of natural and artificial products has grown significantly. One of the unresolved challenges relates to the incorrect calculation of the conformational map of flexible molecules containing functional groups capable of generating a complex network of intramolecular hydrogen bond (IHB) interactions.

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