International Chemistry Scientist Awards

Nucleosome ubiquitylation is a crucial post-translational modification that plays a central role in regulating chromatin structure and gene expression. This video explores the intricate world of enzymatic complexes responsible for adding ubiquitin molecules to histone proteins, a process that influences DNA accessibility and cellular function. These complexes, including E1 activating enzymes, E2 conjugating enzymes, and E3 ligases, work together in a highly coordinated manner to ensure precise and regulated protein modification. Within the nucleosome, histones act as structural proteins around which DNA is wrapped. When ubiquitin is attached to specific histone residues, it can signal for chromatin remodeling, transcription activation or repression, and DNA damage repair. For example, monoubiquitylation of histone H2B is strongly associated with active transcription, while other modifications can recruit repair proteins to damaged DNA sites. Advanced techniques such as cryo-electron ...

Supramolecular electrochemistry is emerging as a powerful approach in the development of next-generation biosensors, combining the precision of electrochemical techniques with the selectivity of molecular recognition. This exciting field focuses on non-covalent interactions—such as hydrogen bonding, π–π stacking, and host–guest chemistry—to create highly sensitive and selective sensing platforms. Unlike traditional sensors, supramolecular biosensors rely on self-assembled systems that can recognize specific biological targets, including proteins, DNA, glucose, and disease biomarkers. These systems are designed to respond to subtle molecular changes, producing measurable electrochemical signals that enable rapid and accurate detection. One of the key advantages of supramolecular electrochemistry is its ability to enhance sensor performance through controlled organization at the nanoscale. By integrating nanomaterials like graphene, carbon nanotubes, and metal nanoparticles, researcher...

Adhesives are an essential part of modern life, yet their chemistry often goes unnoticed. From simple household glue to advanced industrial bonding agents, adhesives rely on fascinating molecular interactions to create strong and durable bonds. This video explores the hidden science behind adhesives and how chemistry makes materials stick together. At the core of adhesive performance are two key principles: adhesion and cohesion. Adhesion refers to the attraction between the adhesive and the surface, while cohesion is the internal strength that holds the adhesive together. These forces are driven by intermolecular interactions such as van der Waals forces, hydrogen bonding, and sometimes even covalent bonding. Polymers play a major role in adhesive formulations. Long-chain molecules provide flexibility, strength, and resistance to environmental factors. Depending on the application, adhesives can be designed to be pressure-sensitive, heat-activated, or chemically reactive. Epoxies, a...

NaLaP₂O₇ ceramics are gaining significant attention in the field of advanced materials due to their unique structural, thermal, and functional properties. As a phosphate-based ceramic, NaLaP₂O₇ exhibits excellent chemical stability, making it a promising candidate for high-temperature and corrosive environments. This video explores the fundamental aspects of NaLaP₂O₇ ceramics, including their crystal structure, synthesis methods, and emerging technological applications. At the atomic level, NaLaP₂O₇ features a well-defined phosphate framework that contributes to its mechanical strength and thermal resistance. Researchers utilize various synthesis techniques such as solid-state reactions and sol-gel methods to tailor its microstructure and optimize performance. These ceramics often demonstrate favorable dielectric properties, making them suitable for electronic components such as capacitors and insulating layers. In addition to electronic applications, NaLaP₂O₇ ceramics show potential...

Lanthanum manganite (LaMnO₃) is an exciting perovskite oxide that has gained significant attention in the field of clean energy and advanced materials science. Known for its unique electronic structure, catalytic activity, and thermal stability, LaMnO₃ is becoming a key material in sustainable energy technologies. In this video, we explore how this remarkable compound is helping scientists design efficient catalysts and energy systems for the future. LaMnO₃ belongs to the perovskite family of materials, which are widely studied for their exceptional electrical, magnetic, and catalytic properties. Its flexible crystal structure allows scientists to modify its composition through doping and nanostructuring, enabling precise control over its catalytic performance. These properties make LaMnO₃ highly effective in important electrochemical reactions such as the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), which are essential for fuel cells, metal-air batteries, and ...

Plasmon-enhanced electrochemistry is an exciting interdisciplinary field that combines nanotechnology, photonics, and electrochemical science to create highly efficient chemical processes. By utilizing plasmonic nanoparticles—typically made of metals such as gold or silver—scientists can harness the power of localized surface plasmon resonance (LSPR) to significantly enhance electrochemical reactions. When light interacts with plasmonic nanoparticles, it excites collective oscillations of electrons on the metal surface. This phenomenon generates strong localized electromagnetic fields and energetic “hot electrons.” These hot carriers can transfer directly into nearby molecules or catalytic surfaces, lowering activation barriers and accelerating electrochemical reactions. As a result, plasmon-enhanced systems can dramatically improve reaction efficiency, selectivity, and sensitivity. One of the most promising applications of plasmon-enhanced electrochemistry lies in chemical sensing. ...