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Green Chemistry

Mass spectrometry-based methods for analysis of ionic liquid species

The synthesis and use of ionic liquids (ILs) has increased steadily since their inception, driven by their distinctive useful properties. In cases where they replace harmful volatile organic solvents they are often considered “green” and in cases where they are recyclable, they may be considered sustainable. However, many of the properties—such as low volatility and stability—that make them attractive for applications also make them potential persistent contaminants, should they be released into the environment.

Sustainable Heterocycle Synthesis via Gold Catalysis: Exploring Amino Acids and Water-Soluble Catalysts

Heterocyclic ring systems are essential in drug design, serving as core structures in many approved drugs. Nitrogen- and oxygen-containing heterocycles, in particular, have become increasingly significant in recent years. Despite the availability of efficient synthetic methods, there is an ongoing need for new approaches that offer higher molecular complexity, better functional group compatibility, and atom economy, using readily available starting materials under mild conditions.

An herbal infusion and a clay for chromium removal from water

In this work, a response surface methodology (RSM) was used to attain optimal conditions for polyphenols extraction from Yerba Mate (YM, South-America infusion) using water as solvent under ultrasound. The following parameters were varied: mass of YM/volume of water (YM/W), pH, temperature, and time. This study helps to developing an eco-friendly and cost-effective experimental design, reducing the production of wastes, and using a very fast water-based method for the extraction.

The CO2 Tree: The Potential for Carbon Dioxide Utilization Pathways

Among the most active areas of chemistry research today is that of carbon dioxide utilization: an area of research that was viewed as futile and commercially impractical not so long ago due to the energetic stability of the CO2 molecule. The breakthroughs that largely began in earnest in the 1990s have accelerated and now make up a diverse and plentiful portfolio of technological and scientific advances and commercialized technologies.

Electrochemical sensors based on reduced graphene oxide (r-go) for environmental monitoring

The innovation in this study lies in enhancing conventional sensors through the integration of advanced materials such as graphene and its derivatives. These materials, derived from carbon, a widely abundant, renewable, and sustainable element, exhibit exceptional properties, including high molecular adsorption capacity, superior electrical conductivity, and remarkable mechanical strength. Their multifunctionality not only enhances sensor performance but also promotes material efficiency by significantly reducing the resources required for production.

Building a roadmap for safer and sustainable material chemistries: Addressing the PFAS problem through informatics and data-driven chemistry

Scientific research increasingly demonstrates that chemicals and materials essential for everyday products threaten natural systems and human health. Transitioning to sustainable, circular, and low-carbon economies depends critically on having safer chemicals available. We propose that materials scientists should also account the impact of the health hazards of chemicals associated with the synthesis, processing, and manufacturing of materials.

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