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Nonemissive Iridium(III) Solvent Complex as a Self-Reporting Photosensitizer for Monitoring Phototherapeutic Efficacy in a "Signal on" Mode.
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Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, P. R. China.
Photodynamic therapy (PDT) has long been receiving increasing attention for the minimally invasive treatment of cancer. The performance of PDT depends on the photophysical and biological properties of photosensitizers (PSs). The always-on fluorescence signal of conventional PSs makes it difficult to real-time monitor phototherapeutic efficacy in the PDT process.
View Article and Find Full Text PDFA green method on dipole solvent as "Activators": γ-valerolactone/HO system promoted degradation of ciprofloxacin by ferrate(Ⅵ).
Water Res
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Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China.
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Arch Insect Biochem Physiol
December 2024
Department of Sericultural Science, College of Animal Science, South China Agricultural University, Guangzhou, China.
Instant and refrigerated acid soaking are commonly used in cocoon production to prevent or break diapause, and provide developable silkworm eggs for sericulture, while their mechanisms have not been fully understood. This study aims to investigate the mechanisms by which hydrochloric acid (HCl) or dimethyl sulfoxide (DMSO) promotes embryonic development in silkworm Bombyx mori, focusing on the chloride ion (Cl) related gene expression profiles. Our results revealed that the HCl treatment of up to 6 min enhanced hatchability in freshly picked and cold-stored eggs, whereas a slight decrease in hatchability was observed in those treated with DMSO for 40 min.
View Article and Find Full Text PDFNa-Complexed Dendritic Polyglycerols for Recovery of Frozen Cells and Their Network in Media.
Adv Mater
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Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea.
In this study, a novel phenomenon is identified where precise control of topology and generation of polyglycerol induce the retention of Na ions in biological buffer systems, effectively inhibiting ice crystal growth during cryopreservation. Unlike linear and hyperbranched counterparts, densely-packed hydroxyl and ether groups in 4th-generation dendritic polyglycerol interact with the ions, activating the formation of hydrogen bonding at the ice interface. By inhibiting both intra- and extracellular ice growth and recrystallization, this biocompatible dendritic polyglycerol proves highly effective as a cryoprotectant; hence, achieving the cell recovery rates of ≈134-147%, relative to those of 10% dimethyl sulfoxide, which is a conventional cryoprotectant for human tongue squamous carcinoma (HSC-3) cell line and human umbilical vein endothelial (HUVEC) cells.
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Behav Pharmacol
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Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences.
Exposure to stressful conditions such as forced swim stress (FSS) induces antinociception. Previous reports determined that dopamine receptors in the CA1 hippocampal area are important in chronic pain processing. Considering that neural mechanisms behind acute and chronic pain differ significantly, in this study, we have investigated the role of dopamine receptors within the CA1 region in the FSS-induced antinociceptive response in the acute pain induced by the tail-flick test in the rat.
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