A century ago Wilhelm Ostwald received the Nobel Prize for Chemistry. Although Ostwald was never significantly involved with the phenomenon of chirality, one of his discoveries, Ostwald ripening, is thought to be involved in a recently discovered method in which grinding-induced attrition is used to transform racemic conglomerates virtually quantitatively into a single enantiomer. In this Minireview the basic concepts developed by Ostwald will be introduced, followed by a summary of the current status of grinding-induced asymmetric transformations. We will see how close Ostwald himself came to discovering this technique.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1002/anie.200905215 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Advances in Programmable Control of Ostwald Ripening for Tailoring Material Properties: Challenges, Applications, and Future Perspectives.
Chemistry
January 2025
UESTC: University of Electronic Science and Technology of China, Institute of Fundamental and Frontier Sciences, Jianshe Road, Chengdu, CHINA.
During the past decade, enlightened by the better understanding of the mechanism of Ostwald ripening (OR), programmable control of OR process have gained popularity in the fields from nanocrystals to bulk materials in virtue of its important on regulating the structural and chem-physical properties. In this perspective, we systematically summarize the up-to date advanced applications of OR process involved in nanomaterials and bulk material properties. The potential challenges and perspectives for further research are highlighted.
View Article and Find Full Text PDFEnhancing the stability of tocotrienol nanoemulsion developed using ultrasonic treatment with amphiphilic starch nanoparticles serving as the matrix.
J Sci Food Agric
January 2025
Department of Food Engineering and Technology, School of Engineering, Tezpur University, Tezpur, India.
Background: Octenylsuccinic anhydride (OSA) is one of the efficient compounds used in food industries as an emulsifier. The current study describes the augmentation of tocotrienol (T3) bioavailability by combining it with OSA and then converting it into a nanoemulsion. The creation of the nanoemulsions ASG-T3U, ASG-T3U and ASG-T3U involved ultrasonication power at 300 W for 10, 20 and 30 cycles, respectively.
View Article and Find Full Text PDFStructural Transformation and Degradation of Cu Oxide Nanocatalysts during Electrochemical CO Reduction.
J Am Chem Soc
January 2025
Liquid Sunlight Alliance, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States.
The electrochemical CO reduction reaction (CORR) holds enormous potential as a carbon-neutral route to the sustainable production of fuels and platform chemicals. The durability for long-term operation is currently inadequate for commercialization, however, and the underlying deactivation process remains elusive. A fundamental understanding of the degradation mechanism of electrocatalysts, which can dictate the overall device performance, is needed.
View Article and Find Full Text PDFAtomic-scale changes can significantly impact heterogeneous catalysis, yet their atomic mechanisms are challenging to establish using conventional analysis methods. By using identical location scanning transmission electron microscopy (IL-STEM), which provides quantitative information at the single-particle level, we investigated the mechanisms of atomic evolution of Ru nanoclusters during the ammonia decomposition reaction. Nanometre-sized disordered nanoclusters transform into truncated nano-pyramids with stepped edges, leading to increased hydrogen production from ammonia.
View Article and Find Full Text PDFPhase field simulations of thermal annealing for all-small molecule organic solar cells.
Phys Chem Chem Phys
January 2025
Helmholtz Institute Erlangen-Nürnberg for Renewable Energy, Forschungszentrum Jülich, Fürther Strasse 248, 90429 Nürnberg, Germany.
Article Synopsis
- Interest in organic solar cells (OSCs) is increasing, with device performance linked to the nanomorphology of bulk heterojunctions (BHJs) developed during drying and post-treatment processes.
- This study explores the impact of thermal annealing (TA) on the DRCN5T:PCBM blend using phase field simulations to understand how post-treatment affects BHJ morphology.
- Simulation results reveal that the BHJ's morphological evolution during TA is primarily driven by the dissolution of smaller, unstable DRCN5T crystals and the anisotropic growth of larger crystals.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!