Co-precipitation of 1,4-bis(2-phenyl-1-propen-1-yl)benzene (1) and 2-(4-(2-(4-(3,6-di-tert-butyl-9H-carbazol-9-yl)phenyl)ethynyl)benzylidene) malononitrile (2) that individually form blue-emitting and orange-emitting nanoparticles, respectively, results in the formation of composite fluorescent organic nanoparticles that emit white light. The two components likely align in the head-to-tail fashion in nanoparticles, creating two parallel and strongly coupled transition dipoles. The emission characteristics of the composite was dependent upon the concentration of 1 and 2, and a pure white-light emission (CIE chromaticity coordinates of 0.34, 0.35) was achieved from the composite that was prepared by employing 12 parts of 1 and 1 part of 2.
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http://dx.doi.org/10.1166/jnn.2010.3036 | DOI Listing |
Chem Sci
January 2025
Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 P. R. China
Reported herein is the first example of a ruthenium-catalyzed C-H activation/annulation of phenothiazine-3-carbaldehydes to construct structurally diverse pyrido[3,4-]phenothiazin-3-iums with dual-emission characteristics. Novel organic single-molecule white-light materials based on pyrido[3,4-]phenothiazin-3-iums with dual-emission and thermally activated delayed fluorescence (TADF) characteristics have been developed for the first time herein. Furthermore, the dual-emission molecule could be fabricated as water-dispersed NPs, which could be applied in two-channel emission intensity ratio imaging to observe the intercellular structure and can specifically target the cell membrane.
View Article and Find Full Text PDFGenomic studies of autism and other neurodevelopmental disorders have identified several relevant protein-coding and noncoding variants. One gene with an excess of protein-coding variants is that also is the gene underlying the Hypotonia, Ataxia, and Delayed Development Syndrome (HADDS). In previous work, we have identified noncoding variants in an enhancer of called hs737 and further showed that there was an enrichment of deletions of this enhancer in individuals with neurodevelopmental disorders.
View Article and Find Full Text PDFACS Omega
January 2025
Bioinformatics Programming Lab, Department of Biotechnology, School of Bio Sciences and Technology, VIT, Vellore 632014, India.
Several neurodegenerative diseases are associated with the deposition of amyloid fibrils. Although these diseases are irreversible, knowing the aggregation mechanism is useful in developing drugs that can arrest or decrease the aggregation rate. In this study, we are interested in investigating the effect of Coomassie brilliant blue (CBB G-250) on the aggregation of hen egg white lysozyme (HEWL) at pH 7.
View Article and Find Full Text PDFJ Pak Med Assoc
January 2025
Department of Physiology, Karachi University, Karachi, Pakistan.
Bladder cancer remains a significant global health concern, being the 10th most common malignancy worldwide and the 6th most common neoplasia in males, with alarming annual incidence and mortality rates. The current narrative review was planned to delve into the multifaceted landscape of bladder cancer, exploring its epidemiology, risk factors and diagnostic modalities. While white light cystoscopy has long been considered the gold standard for bladder cancer diagnosis and surveillance, the emergence of blue light cystoscopy has ushered in a new era of early detection.
View Article and Find Full Text PDFBMC Gastroenterol
January 2025
Division of Hepatobiliopancreatic Surgery, Department of General Surgery, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Avenue, Guangzhou, Guangdong, 510515, China.
Background & Aims: We aimed to describe the dose-response relationship between daily step counts and intensity with respect to all-cause mortality among US adults diagnosed with metabolic dysfunction-associated steatotic liver disease (MASLD).
Methods: Using data from the National Health and Nutrition Examination Survey (NHANES) database spanning from 2005 to 2006, a cross-sectional study included 1,108 participants was performed to assess the relationship between daily step counts and step intensity with mortality.
Results: A total of 1,108 participants from the NHANES study were included, with a mean age of 49.
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