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Sulfur Lone Pairs Open Avenues for π* → n Orange-to-Red TADF and OLEDs.
J Am Chem Soc
January 2025
State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China.
It is always important and fascinating to explore new organic emitters that exploit unconventional pathways to unveil their emission with unique properties, such as thermally activated delayed fluorescence (TADF). In this study, we report that the rarely explored sulfur lone pair (n) is a promising alternative, where the correlated π* → n emission can be used to attain strong TADF and thus practical OLEDs. The designed strategy incorporates several key concepts (Figure 1a), in which the persulfide aromatic spirocycle enhances spin-orbit coupling, thereby increasing the intersystem crossing rate.
View Article and Find Full Text PDFNew Perspective of the Persistent Gender and Diversity Gap in Nobel Prizes.
J Neurosci
January 2025
Department of Biology, University of Puerto Rico-Rio Piedras, San Juan 00926, Puerto Rico
Despite significant strides in gender equity, the Nobel Prizes in STEM fields continue to exhibit glaring disparities in the recognition of women's contributions to science. Thirty years ago, only 3% of Nobel laureates in science were women; today, that number has increased marginally to 4%, raising the critical question: Why "still" so few? This opinion piece examines systemic inequities and structural barriers that hinder the equitable acknowledgment of women's and underrepresented groups' contributions to science. Data reveal that while women now comprise a significant proportion of degree recipients and workforce entrants in fields such as biomedical research and chemistry, their representation among Nobel laureates remains disproportionately low.
View Article and Find Full Text PDFVintages for New Fashion: Red-Shifted Photoswitching via the Triplet-Photoreaction Channel with Charge-Transfer Complex Sensitizers.
J Am Chem Soc
January 2025
Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, Frontiers Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China.
Triplet-sensitization has been proven invaluable for creating photoswitches operated over a full visible-light spectrum. While designing efficient triplet-sensitizers is crucial for establishing visible-light photochromism, it remains an appealing yet challenging task. In this work, we propose a versatile strategy to fabricate triplet-sensitizers with intermolecular charge-transfer complexes (CTCs).
View Article and Find Full Text PDF[Gene editing is changing the treatment of hereditary diseases].
Lakartidningen
January 2025
docent, verksamhetschef, Karolinska centrum för cellterapi (KCC), Karolinska universitetssjukhuset, Stockholm; Karolins-ka ATMP-centrum; institutionen för laboratorie-medicin, Karolinska institutet.
Gene editing is a novel technology within gene therapy, which changes sequences in chromosomal DNA with precision. Even if there are alternative strategies, the Nobel Prize-winning CRISPR/Cas technology has become the dominating principle. During recent years base editing and prime editing, permitting editing without DNA double-strand breaks, have been developed.
View Article and Find Full Text PDFThe history of the Croatian pharmaceutical company PLIVA from the very beginning to the status of a recognisable European and global player is described. Special attention is paid to PLIVA's cooperation with the Croatian Nobel laureate Vladimir Prelog and the invention of the proprietary antibiotic azithromycin. The antibiotic was commercialised in cooperation with the US-based company Pfizer.
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