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A steric hindrance-regulated probe with single excitation dual emissions for self-adaptive detection of biothiols and HS in human urine samples and living cells.
J Mater Chem B
January 2025
Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, China.
Sulfur-containing small molecules, mainly including cysteine (Cys), homocysteine (Hcy), glutathione (GSH), and hydrogen sulfide (HS), are crucial biomarkers, and their levels in different body locations (living cells, tissues, blood, urine, saliva, ) are inconsistent and constantly changing. Therefore, it is highly meaningful and challenging to synchronously and accurately detect them in complex multi-component samples without mutual interference. In this work, we propose a steric hindrance-regulated probe, NBD-2FDCI, with single excitation dual emissions to achieve self-adaptive detection of four analytes.
View Article and Find Full Text PDFIdentification of Volatile Compounds in Pennycress Protein Isolates Produced by Both Alkaline and Salt-Based Processes.
J Agric Food Chem
January 2025
Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Avenue, St. Paul, Minnesota 55108, United States.
Volatile off-notes in ground pennycress seeds, ground defatted pennycress seed, and the final protein isolates (produced from the defatted seeds by alkaline or salt extraction) were identified and "quantified" relative to an internal standard. Volatiles contributing off-notes were identified based on mass spectra, retention indices, and aroma descriptors. The compounds that produced the strongest odors based on gas chromatography:olfactometry were identified as potential aroma impact compounds.
View Article and Find Full Text PDFSynergistic Enhancement of Ferroptosis via Mitochondrial Accumulation and Photodynamic-Controlled Release of an Organogold(I) Cluster Prodrug.
J Am Chem Soc
January 2025
Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
Effective delivery and controlled release of metallo-prodrugs with sustained activation and rapid response feed the needs of precise medicine in metal chemotherapeutics. However, gold-based anticancer drugs often suffer from detoxification binding and extracellular transfer by sulfur-containing peptides. To address this challenge, we integrate a thiol-activated prodrug strategy of newly prepared hypercoordinated carbon-centered gold(I) clusters (HCGCs) with their photosensitization character to augment the mitochondrial release of Au(I) in tumors.
View Article and Find Full Text PDFPreparation of magnetic hydrophobic Cu-containing mesoporous materials and their performance in adsorption and removal of organic sulfides from simulated gasoline.
J Environ Manage
January 2025
Shaanxi Key Laboratory of Catalysis, College of Chemical and Environment Science, Shaanxi University of Technology, Hanzhong 723000, PR China.
Sulfur-containing gases produced during the utilization of petroleum fuels are the main cause of air pollution. To remove organic sulfur-containing compounds from simulated gasoline, magnetic hydrophobic Cu-containing SBA-15 mesoporous molecular sieves (PMS-Cu) were prepared by magnetization of the sample, loading and reduction of copper ion and hydrophobic treatment of the sample. The composition and structure of the synthesized composites were characterized by XRD, FTIR, SEM, TEM, and XPS, which proved the successful preparation of the adsorbent PMS-Cu.
View Article and Find Full Text PDFRecent progress in C-S bond formation electron donor-acceptor photoactivation.
Org Biomol Chem
January 2025
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China.
Recent advancements in C-S bond formation electron donor-acceptor (EDA) complex photoactivation have been remarkable. EDA complexes, which are composed of electron donors and acceptors, facilitate C-S bond construction under mild conditions through single-electron transfer events upon visible light irradiation. This review highlights the utilization of various sulfur-containing substrates, including diacetoxybenzenesulfonyl (DABSO), sulfonic acids, sodium sulfinates, sulfonyl chlorides, and thiophenols, in EDA-promoted sulfonylation and thiolation reactions, covering the works published since 2017 to date.
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